diff --git a/src/proto_alpha/lib_protocol/alpha_context.mli b/src/proto_alpha/lib_protocol/alpha_context.mli
index 0c768a7f18d7ac7728e6a711218536ea329c3b87..ef244db926944a80f352f4f3608589fbcdff7430 100644
--- a/src/proto_alpha/lib_protocol/alpha_context.mli
+++ b/src/proto_alpha/lib_protocol/alpha_context.mli
@@ -3120,7 +3120,7 @@ module Sc_rollup : sig
 
       val hash_level_tree : tree -> Hash.t
 
-      val new_level_tree : inbox_context -> Raw_level.t -> tree Lwt.t
+      val new_level_tree : inbox_context -> tree Lwt.t
 
       val add_messages :
         inbox_context ->
diff --git a/src/proto_alpha/lib_protocol/dal_slot_repr.ml b/src/proto_alpha/lib_protocol/dal_slot_repr.ml
index bafb194f8bcca58e4ff8f455c9f22ff3ad79f751..70fe452ce6e7256400ba9df8eff82c68ebb85f64 100644
--- a/src/proto_alpha/lib_protocol/dal_slot_repr.ml
+++ b/src/proto_alpha/lib_protocol/dal_slot_repr.ml
@@ -321,8 +321,6 @@ module History = struct
 
     let compare = Header.compare_slot_id
 
-    let compare_lwt a b = Lwt.return @@ compare a b
-
     let next ~prev_cell ~prev_cell_ptr elt =
       let open Tzresult_syntax in
       let* () =
@@ -336,7 +334,7 @@ module History = struct
 
     let search ~deref ~cell ~target_id =
       search ~deref ~cell ~compare:(fun slot ->
-          compare_lwt slot.Header.id target_id)
+          compare slot.Header.id target_id)
   end
 
   module V1 = struct
@@ -700,7 +698,7 @@ module History = struct
       let Page.{slot_id; page_index = _} = page_id in
       let deref ptr = History_cache.find ptr hist_cache in
       (* We search for a slot whose ID is equal to target_id. *)
-      let*! search_result =
+      let search_result =
         Skip_list.search ~deref ~target_id:slot_id ~cell:slots_hist
       in
       match (page_info, search_result.Skip_list.last_cell) with
diff --git a/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.ml b/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.ml
index 6b04c51b18fb13cb97e083b3e46cbf515318ba83..0e3cf66e722c4362f1738d71d4a005214550b3ed 100644
--- a/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.ml
+++ b/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.ml
@@ -146,30 +146,46 @@ end
 
 module Skip_list = Skip_list_repr.Make (Skip_list_parameters)
 
-let hash_skip_list_cell cell =
-  let current_level_hash = Skip_list.content cell in
-  let back_pointers_hashes = Skip_list.back_pointers cell in
-  Hash.to_bytes current_level_hash
-  :: List.map Hash.to_bytes back_pointers_hashes
-  |> Hash.hash_bytes
-
 module V1 = struct
-  type history_proof = (Hash.t, Hash.t) Skip_list.cell
+  type level_proof = {hash : Hash.t; level : Raw_level_repr.t}
+
+  let level_proof_encoding =
+    let open Data_encoding in
+    conv
+      (fun {hash; level} -> (hash, level))
+      (fun (hash, level) -> {hash; level})
+      (obj2 (req "hash" Hash.encoding) (req "level" Raw_level_repr.encoding))
+
+  let equal_level_proof {hash; level} level_proof_2 =
+    Hash.equal hash level_proof_2.hash
+    && Raw_level_repr.equal level level_proof_2.level
+
+  type history_proof = (level_proof, Hash.t) Skip_list.cell
+
+  let hash_history_proof cell =
+    let {hash; level} = Skip_list.content cell in
+    let back_pointers_hashes = Skip_list.back_pointers cell in
+    Hash.to_bytes hash
+    :: (Raw_level_repr.to_int32 level |> Int32.to_string |> Bytes.of_string)
+    :: List.map Hash.to_bytes back_pointers_hashes
+    |> Hash.hash_bytes
 
-  let equal_history_proof = Skip_list.equal Hash.equal Hash.equal
+  let equal_history_proof = Skip_list.equal Hash.equal equal_level_proof
 
   let history_proof_encoding : history_proof Data_encoding.t =
-    Skip_list.encoding Hash.encoding Hash.encoding
+    Skip_list.encoding Hash.encoding level_proof_encoding
 
-  let pp_history_proof fmt history =
-    let history_hash = hash_skip_list_cell history in
+  let pp_level_proof fmt {hash; level} =
     Format.fprintf
       fmt
-      "@[hash : %a@;%a@]"
+      "hash: %a@,level: %a"
       Hash.pp
-      history_hash
-      (Skip_list.pp ~pp_content:Hash.pp ~pp_ptr:Hash.pp)
-      history
+      hash
+      Raw_level_repr.pp
+      level
+
+  let pp_history_proof fmt history_proof =
+    (Skip_list.pp ~pp_content:pp_level_proof ~pp_ptr:Hash.pp) fmt history_proof
 
   (** Construct an inbox [history] with a given [capacity]. If you
       are running a rollup node, [capacity] needs to be large enough to
@@ -202,13 +218,13 @@ module V1 = struct
      the number of messages that have not been consumed by a commitment cementing ;
    - [nb_messages_in_commitment_period] :
      the number of messages during the commitment period ;
-   - [current_level_hash] : the root hash of [current_level] ;
+   - [current_level_proof] : the [current_level] and its root hash ;
    - [old_levels_messages] : a witness of the inbox history.
 
    When new messages are appended to the current level inbox, the
    metadata stored in the context may be related to an older level.
    In that situation, an archival process is applied to the metadata.
-   This process saves the [current_level_hash] in the
+   This process saves the [current_level_proof] in the
    [old_levels_messages] and empties [current_level]. It then
    initialises a new level tree for the new messages---note that any
    intermediate levels are simply skipped. See
@@ -220,7 +236,7 @@ module V1 = struct
     nb_messages_in_commitment_period : int64;
     message_counter : Z.t;
     (* Lazy to avoid hashing O(n^2) time in [add_messages] *)
-    current_level_hash : unit -> Hash.t;
+    current_level_proof : unit -> level_proof;
     old_levels_messages : history_proof;
   }
 
@@ -235,7 +251,7 @@ module V1 = struct
       level;
       nb_messages_in_commitment_period;
       message_counter;
-      current_level_hash;
+      current_level_proof;
       old_levels_messages;
     } =
       inbox1
@@ -246,7 +262,9 @@ module V1 = struct
            nb_messages_in_commitment_period
            inbox2.nb_messages_in_commitment_period)
     && Z.equal message_counter inbox2.message_counter
-    && Hash.equal (current_level_hash ()) (inbox2.current_level_hash ())
+    && equal_level_proof
+         (current_level_proof ())
+         (inbox2.current_level_proof ())
     && equal_history_proof old_levels_messages inbox2.old_levels_messages
 
   let pp fmt
@@ -254,7 +272,7 @@ module V1 = struct
         level;
         nb_messages_in_commitment_period;
         message_counter;
-        current_level_hash;
+        current_level_proof;
         old_levels_messages;
       } =
     Format.fprintf
@@ -267,8 +285,8 @@ module V1 = struct
        }@]"
       Raw_level_repr.pp
       level
-      Hash.pp
-      (current_level_hash ())
+      pp_level_proof
+      (current_level_proof ())
       (Int64.to_string nb_messages_in_commitment_period)
       Z.pp_print
       message_counter
@@ -281,10 +299,7 @@ module V1 = struct
 
   let old_levels_messages inbox = inbox.old_levels_messages
 
-  let current_level_hash inbox = inbox.current_level_hash ()
-
-  let old_levels_messages_encoding =
-    Skip_list.encoding Hash.encoding Hash.encoding
+  let current_level_proof inbox = inbox.current_level_proof ()
 
   let encoding =
     Data_encoding.(
@@ -293,32 +308,32 @@ module V1 = struct
                message_counter;
                nb_messages_in_commitment_period;
                level;
-               current_level_hash;
+               current_level_proof;
                old_levels_messages;
              } ->
           ( message_counter,
             nb_messages_in_commitment_period,
             level,
-            current_level_hash (),
+            current_level_proof (),
             old_levels_messages ))
         (fun ( message_counter,
                nb_messages_in_commitment_period,
                level,
-               current_level_hash,
+               current_level_proof,
                old_levels_messages ) ->
           {
             message_counter;
             nb_messages_in_commitment_period;
             level;
-            current_level_hash = (fun () -> current_level_hash);
+            current_level_proof = (fun () -> current_level_proof);
             old_levels_messages;
           })
         (obj5
            (req "message_counter" n)
            (req "nb_messages_in_commitment_period" int64)
            (req "level" Raw_level_repr.encoding)
-           (req "current_level_hash" Hash.encoding)
-           (req "old_levels_messages" old_levels_messages_encoding)))
+           (req "current_level_proof" level_proof_encoding)
+           (req "old_levels_messages" history_proof_encoding)))
 
   let number_of_messages_during_commitment_period inbox =
     inbox.nb_messages_in_commitment_period
@@ -347,8 +362,6 @@ let to_versioned inbox = V1 inbox [@@inline]
 let key_of_message ix =
   ["message"; Data_encoding.Binary.to_string_exn Data_encoding.n ix]
 
-let level_key = ["level"]
-
 let number_of_messages_key = ["number_of_messages"]
 
 type serialized_proof = bytes
@@ -362,7 +375,7 @@ module type Merkelized_operations = sig
 
   val hash_level_tree : tree -> Hash.t
 
-  val new_level_tree : inbox_context -> Raw_level_repr.t -> tree Lwt.t
+  val new_level_tree : inbox_context -> tree Lwt.t
 
   val add_messages :
     inbox_context ->
@@ -477,33 +490,16 @@ struct
 
   let hash_level_tree level_tree = Hash.of_context_hash (Tree.hash level_tree)
 
-  let set_level tree level =
-    let level_bytes =
-      Data_encoding.Binary.to_bytes_exn Raw_level_repr.encoding level
-    in
-    Tree.add tree level_key level_bytes
-
-  let find_level tree =
-    let open Lwt_syntax in
-    let+ level_bytes = Tree.(find tree level_key) in
-    Option.bind
-      level_bytes
-      (Data_encoding.Binary.of_bytes_opt Raw_level_repr.encoding)
-
   let set_number_of_messages tree number_of_messages =
     let number_of_messages_bytes =
       Data_encoding.Binary.to_bytes_exn Data_encoding.n number_of_messages
     in
     Tree.add tree number_of_messages_key number_of_messages_bytes
 
-  (** Initialise the merkle tree for a new level in the inbox. We have
-      to include the [level] in this structure so that it cannot be
-      forged by a malicious rollup node. *)
-  let new_level_tree ctxt level =
-    let open Lwt_syntax in
+  (** Initialise the merkle tree for a new level in the inbox. *)
+  let new_level_tree ctxt =
     let tree = Tree.empty ctxt in
-    let* tree = set_number_of_messages tree Z.zero in
-    set_level tree level
+    set_number_of_messages tree Z.zero
 
   let add_message inbox payload level_tree =
     let open Lwt_tzresult_syntax in
@@ -522,7 +518,7 @@ struct
     in
     let inbox =
       {
-        current_level_hash = inbox.current_level_hash;
+        current_level_proof = inbox.current_level_proof;
         level = inbox.level;
         old_levels_messages = inbox.old_levels_messages;
         message_counter;
@@ -565,16 +561,15 @@ struct
       let*! tree =
         match level_tree with
         | Some tree -> Lwt.return tree
-        | None -> new_level_tree ctxt inbox.level
+        | None -> new_level_tree ctxt
       in
       commit_tree ctxt tree inbox.level
     in
     let prev_cell = inbox.old_levels_messages in
-    let prev_cell_ptr = hash_skip_list_cell prev_cell in
+    let prev_cell_ptr = hash_history_proof prev_cell in
     let*? history = History.remember prev_cell_ptr prev_cell history in
-    let cell =
-      Skip_list.next ~prev_cell ~prev_cell_ptr (current_level_hash inbox)
-    in
+    let level_proof = current_level_proof inbox in
+    let cell = Skip_list.next ~prev_cell ~prev_cell_ptr level_proof in
     return (history, cell)
 
   (** [archive_if_needed ctxt history inbox new_level level_tree]
@@ -585,7 +580,7 @@ struct
       adding messages, and archive the earlier levels depending on the
       [history] parameter's [capacity]. If [level_tree] is [None] (this
       happens when the inbox is first created) we similarly create a new
-      empty level tree with the right [level] key.
+      empty level tree.
 
       This function and {!form_history_proof} are the only places we
       begin new level trees. *)
@@ -595,16 +590,16 @@ struct
       match level_tree with
       | Some tree -> return (history, inbox, tree)
       | None ->
-          let*! tree = new_level_tree ctxt new_level in
+          let*! tree = new_level_tree ctxt in
           return (history, inbox, tree)
     else
       let* history, old_levels_messages =
         form_history_proof ctxt history inbox level_tree
       in
-      let*! tree = new_level_tree ctxt new_level in
+      let*! tree = new_level_tree ctxt in
       let inbox =
         {
-          current_level_hash = inbox.current_level_hash;
+          current_level_proof = inbox.current_level_proof;
           nb_messages_in_commitment_period =
             inbox.nb_messages_in_commitment_period;
           old_levels_messages;
@@ -636,8 +631,11 @@ struct
         (level_tree, inbox)
         payloads
     in
-    let current_level_hash () = hash_level_tree level_tree in
-    return (level_tree, history, {inbox with current_level_hash})
+    let current_level_proof () =
+      let hash = hash_level_tree level_tree in
+      {hash; level}
+    in
+    return (level_tree, history, {inbox with current_level_proof})
 
   let add_messages_no_history ctxt inbox level payloads level_tree =
     let open Lwt_tzresult_syntax in
@@ -673,15 +671,15 @@ struct
     aux [] ptr_path
 
   let verify_inclusion_proof proof a b =
-    let assoc = List.map (fun c -> (hash_skip_list_cell c, c)) proof in
+    let assoc = List.map (fun c -> (hash_history_proof c, c)) proof in
     let path = List.split assoc |> fst in
     let deref =
       let open Hash.Map in
       let map = of_seq (List.to_seq assoc) in
       fun ptr -> find_opt ptr map
     in
-    let cell_ptr = hash_skip_list_cell b in
-    let target_ptr = hash_skip_list_cell a in
+    let cell_ptr = hash_history_proof b in
+    let target_ptr = hash_history_proof a in
     Skip_list.valid_back_path
       ~equal_ptr:Hash.equal
       ~deref
@@ -696,20 +694,20 @@ struct
        [starting_point] into [(l, n)] where [l] is a level and [n] is a
        message index.
 
-       In a [Single_level] proof, [level] is the skip list cell for the
-       level [l], [inc] is an inclusion proof of [level] into
-       [snapshot] and [message_proof] is a tree proof showing that
+       In a [Single_level] proof, [history_proof] is the skip list cell for the
+       level [l], [inc] is an inclusion proof of [history_proof] into [snapshot]
+       and [message_proof] is a tree proof showing that
 
          [exists level_tree .
               (hash_level_tree level_tree = level.content)
-          AND (payload_and_level n level_tree = (_, (message, l)))]
+          AND (get_messages_payload n level_tree = (_, message))]
 
-       Note: in the case that [message] is [None] this shows that
-       there's no value at the index [n]; in this case we also must
-       check that [level] equals [snapshot] (otherwise, we'd need a
-       [Next_level] proof instead. *)
+       Note: in the case that [message] is [None] this shows that there's no
+       value at the index [n]; in this case we also must check that
+       [history_proof] equals [snapshot] (otherwise, we'd need a [Next_level]
+       proof instead. *)
     | Single_level of {
-        level : history_proof;
+        history_proof : history_proof;
         inc : inclusion_proof;
         message_proof : P.proof;
       }
@@ -722,25 +720,37 @@ struct
        In a [Next_level] proof, we prove that:
 
        - There is no message at [(l, n)] with [lower_message_proof].
-       - [lower] belongs to the snapshot with [inc]
+       - [lower_history_proof] belongs to the snapshot with [inc]
 
        The first message to read at the next level of [l] is the
        first input [Start_of_level].
     *)
     | Next_level of {
         lower_message_proof : P.proof;
-        lower : history_proof;
+        lower_history_proof : history_proof;
         inc : inclusion_proof;
       }
 
   let pp_proof fmt proof =
     match proof with
-    | Single_level {level; _} ->
-        let hash = Skip_list.content level in
-        Format.fprintf fmt "Single_level inbox proof at %a" Hash.pp hash
-    | Next_level {lower; _} ->
-        let lower_hash = Skip_list.content lower in
-        Format.fprintf fmt "Next_level of lower: %a" Hash.pp lower_hash
+    | Single_level {history_proof; _} ->
+        let {hash; level} = Skip_list.content history_proof in
+        Format.fprintf
+          fmt
+          "Single_level inbox proof at %a for level %a"
+          Hash.pp
+          hash
+          Raw_level_repr.pp
+          level
+    | Next_level {lower_history_proof; _} ->
+        let lower_level_proof = Skip_list.content lower_history_proof in
+        Format.fprintf
+          fmt
+          "Next_level of lower %a and level %a"
+          Hash.pp
+          lower_level_proof.hash
+          Raw_level_repr.pp
+          lower_level_proof.level
 
   let proof_encoding =
     let open Data_encoding in
@@ -751,28 +761,28 @@ struct
           ~title:"Single_level"
           (Tag 0)
           (obj3
-             (req "level" history_proof_encoding)
+             (req "history_proof" history_proof_encoding)
              (req "inclusion_proof" inclusion_proof_encoding)
              (req "message_proof" P.proof_encoding))
           (function
-            | Single_level {level; inc; message_proof} ->
-                Some (level, inc, message_proof)
+            | Single_level {history_proof; inc; message_proof} ->
+                Some (history_proof, inc, message_proof)
             | _ -> None)
-          (fun (level, inc, message_proof) ->
-            Single_level {level; inc; message_proof});
+          (fun (history_proof, inc, message_proof) ->
+            Single_level {history_proof; inc; message_proof});
         case
           ~title:"Next_level"
           (Tag 1)
           (obj3
              (req "lower_message_proof" P.proof_encoding)
-             (req "lower" history_proof_encoding)
+             (req "lower_history_proof" history_proof_encoding)
              (req "inclusion_proof" inclusion_proof_encoding))
           (function
-            | Next_level {lower_message_proof; lower; inc} ->
-                Some (lower_message_proof, lower, inc)
+            | Next_level {lower_message_proof; lower_history_proof; inc} ->
+                Some (lower_message_proof, lower_history_proof, inc)
             | _ -> None)
-          (fun (lower_message_proof, lower, inc) ->
-            Next_level {lower_message_proof; lower; inc});
+          (fun (lower_message_proof, lower_history_proof, inc) ->
+            Next_level {lower_message_proof; lower_history_proof; inc});
       ]
 
   let of_serialized_proof = Data_encoding.Binary.of_bytes_opt proof_encoding
@@ -788,98 +798,82 @@ struct
   (** Utility function that checks the inclusion proof [inc] for any
       inbox proof.
 
-      In the case of a [Single_level] proof this is just an inclusion
-      proof between [level] and the inbox snapshot targeted the proof.
+      In the case of a [Single_level] proof this is just an inclusion proof
+      between [history_proof] and the inbox snapshot targeted the proof.
 
       In the case of a [Next_level] proof [inc] must be an inclusion
-      proof between [upper] and the inbox snapshot.
+      proof between [lower_history_proof] and the inbox snapshot.
   *)
   let check_inclusions proof snapshot =
     check
       (match proof with
-      | Single_level {inc; level; message_proof = _} ->
-          verify_inclusion_proof inc level snapshot
-      | Next_level {inc; lower; lower_message_proof = _} ->
-          verify_inclusion_proof inc lower snapshot)
+      | Single_level {inc; history_proof; message_proof = _} ->
+          verify_inclusion_proof inc history_proof snapshot
+      | Next_level {inc; lower_history_proof; lower_message_proof = _} ->
+          verify_inclusion_proof inc lower_history_proof snapshot)
       "invalid inclusions"
 
   (** To construct or verify a tree proof we need a function of type
 
       [tree -> (tree, result) Lwt.t]
 
-      where [result] is some data extracted from the tree that we care
-      about proving. [payload_and_level n] is such a function, used for
-      checking both the inbox level specified inside the tree and the
-      message at a particular index, [n].
+      where [result] is some data extracted from the tree that we care about
+      proving. [payload_and_message_tree n] is such a function, used for checking
+      the message at a particular index, [n].
 
       For this function, the [result] is
 
-      [(payload, level) : string option * Raw_level_repr.t option]
+      [payload : Sc_rollup_inbox_message_repr.serialized option]
 
-      where [payload] is [None] if there was no message at the index.
-      The [level] part of the result will only be [None] if the [tree]
-      is not in the correct format for an inbox level. This should not
-      happen if the [tree] was correctly initialised with
-      [new_level_tree]. *)
-  let payload_and_level n tree =
+      where [payload] is [None] if there was no message at the index. *)
+  let payload_and_message_tree n tree =
     let open Lwt_syntax in
     let* payload = get_message_payload tree n in
-    let* level = find_level tree in
-    return (tree, (payload, level))
+    return (tree, payload)
 
   (** Utility function that handles all the verification needed for a
       particular message proof at a particular level. It calls
       [P.verify_proof], but also checks the proof has the correct
-      [P.proof_before] hash and the [level] stored inside the tree is
-      the expected one. *)
-  let check_message_proof message_proof level_hash (l, n) label =
+      [P.proof_before] hash. *)
+  let check_message_proof message_proof level_hash n label =
     let open Lwt_tzresult_syntax in
     let* () =
       check
         (Hash.equal level_hash (P.proof_before message_proof))
         (Format.sprintf "message_proof (%s) does not match history" label)
     in
-    let*! result = P.verify_proof message_proof (payload_and_level n) in
+    let*! result = P.verify_proof message_proof (payload_and_message_tree n) in
     match result with
     | None -> proof_error (Format.sprintf "message_proof is invalid (%s)" label)
-    | Some (_, (_, None)) ->
-        proof_error
-          (Format.sprintf "badly encoded level in message_proof (%s)" label)
-    | Some (_, (payload_opt, Some proof_level)) ->
-        let* () =
-          check
-            (Raw_level_repr.equal proof_level l)
-            (Format.sprintf "incorrect level in message_proof (%s)" label)
-        in
-        return payload_opt
+    | Some (_, payload_opt) -> return payload_opt
 
   let verify_proof (l, n) snapshot proof =
     assert (Z.(geq n zero)) ;
     let open Lwt_tzresult_syntax in
     let* () = check_inclusions proof snapshot in
     match proof with
-    | Single_level {level; inc = _; message_proof} -> (
-        let level_hash = Skip_list.content level in
+    | Single_level {history_proof; inc = _; message_proof} -> (
+        let level_proof = Skip_list.content history_proof in
         let* payload_opt =
-          check_message_proof message_proof level_hash (l, n) "single level"
+          check_message_proof message_proof level_proof.hash n "single level"
         in
         match payload_opt with
         | None ->
-            if equal_history_proof snapshot level then return_none
+            if equal_history_proof snapshot history_proof then return_none
             else proof_error "payload is None but proof.level not top level"
         | Some payload ->
             return_some
               Sc_rollup_PVM_sig.{inbox_level = l; message_counter = n; payload})
-    | Next_level {lower_message_proof; lower; inc = _} -> (
+    | Next_level {lower_message_proof; lower_history_proof; inc = _} -> (
         (* TODO: https://gitlab.com/tezos/tezos/-/issues/3975
            We could prove that the last message to read is SOL, and is
            before [n]. *)
-        let lower_level_hash = Skip_list.content lower in
+        let lower_level_proof = Skip_list.content lower_history_proof in
         let* should_be_none =
           check_message_proof
             lower_message_proof
-            lower_level_hash
-            (l, n)
+            lower_level_proof.hash
+            n
             "lower"
         in
         match should_be_none with
@@ -903,22 +897,12 @@ struct
   let produce_proof ctxt history inbox (l, n) =
     let open Lwt_tzresult_syntax in
     let deref ptr = History.find ptr history in
-    let compare hash =
-      let*! tree = P.lookup_tree ctxt hash in
-      match tree with
-      | None -> Lwt.return (-1)
-      | Some tree -> (
-          let open Lwt_syntax in
-          let+ level = find_level tree in
-          match level with
-          | None -> -1
-          | Some level -> Raw_level_repr.compare level l)
-    in
-    let*! result = Skip_list.search ~deref ~compare ~cell:inbox in
-    let* inc, level =
+    let compare {hash = _; level} = Raw_level_repr.compare level l in
+    let result = Skip_list.search ~deref ~compare ~cell:inbox in
+    let* inc, history_proof =
       match result with
-      | Skip_list.{rev_path; last_cell = Found level} ->
-          return (List.rev rev_path, level)
+      | Skip_list.{rev_path; last_cell = Found history_proof} ->
+          return (List.rev rev_path, history_proof)
       | {last_cell = Nearest _; _}
       | {last_cell = No_exact_or_lower_ptr; _}
       | {last_cell = Deref_returned_none; _} ->
@@ -934,26 +918,26 @@ struct
     let* level_tree =
       option_to_result
         "could not find level_tree in the inbox_context"
-        (P.lookup_tree ctxt (Skip_list.content level))
+        (P.lookup_tree ctxt (Skip_list.content history_proof).hash)
     in
-    let* message_proof, (payload_opt, _) =
+    let* message_proof, payload_opt =
       option_to_result
         "failed to produce message proof for level_tree"
-        (P.produce_proof ctxt level_tree (payload_and_level n))
+        (P.produce_proof ctxt level_tree (payload_and_message_tree n))
     in
     match payload_opt with
     | Some payload ->
         return
-          ( Single_level {level; inc; message_proof},
+          ( Single_level {history_proof; inc; message_proof},
             Some
               Sc_rollup_PVM_sig.{inbox_level = l; message_counter = n; payload}
           )
     | None ->
-        if equal_history_proof inbox level then
-          return (Single_level {level; inc; message_proof}, None)
+        if equal_history_proof inbox history_proof then
+          return (Single_level {history_proof; inc; message_proof}, None)
         else
           let lower_message_proof = message_proof in
-          let lower = level in
+          let lower_history_proof = history_proof in
           let* input_given =
             let inbox_level = Raw_level_repr.succ l in
             let message_counter = Z.zero in
@@ -963,21 +947,26 @@ struct
             return_some
               Sc_rollup_PVM_sig.{inbox_level; message_counter; payload}
           in
-          return (Next_level {lower_message_proof; lower; inc}, input_given)
+          return
+            ( Next_level {lower_message_proof; lower_history_proof; inc},
+              input_given )
 
   let empty context level =
     let open Lwt_syntax in
     let pre_genesis_level = Raw_level_repr.root in
-    let* initial_level = new_level_tree context pre_genesis_level in
+    let* initial_level = new_level_tree context in
     let* () = commit_tree context initial_level pre_genesis_level in
-    let initial_hash = hash_level_tree initial_level in
+    let initial_level_proof =
+      let hash = hash_level_tree initial_level in
+      {hash; level = pre_genesis_level}
+    in
     return
       {
         level;
         message_counter = Z.zero;
         nb_messages_in_commitment_period = 0L;
-        current_level_hash = (fun () -> initial_hash);
-        old_levels_messages = Skip_list.genesis initial_hash;
+        current_level_proof = (fun () -> initial_level_proof);
+        old_levels_messages = Skip_list.genesis initial_level_proof;
       }
 
   module Internal_for_tests = struct
@@ -985,7 +974,7 @@ struct
 
     let produce_inclusion_proof history a b =
       let open Tzresult_syntax in
-      let cell_ptr = hash_skip_list_cell b in
+      let cell_ptr = hash_history_proof b in
       let target_index = Skip_list.index a in
       let* history = History.remember cell_ptr b history in
       let deref ptr = History.find ptr history in
diff --git a/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.mli b/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.mli
index f3bc208d45b406b92a349646e5e9a7a8d62f96c2..58be74db3a5cc11cf58ba3cdbd7cdeafea917693 100644
--- a/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.mli
+++ b/src/proto_alpha/lib_protocol/sc_rollup_inbox_repr.mli
@@ -144,6 +144,10 @@ module V1 : sig
       [inbox] or its initial level. *)
   val inbox_level : t -> Raw_level_repr.t
 
+  (** A [level_proof] contains the root hash of the level tree and its
+      corresponding level. *)
+  type level_proof
+
   (** A [history_proof] is a [Skip_list.cell] that stores multiple
     hashes. [Skip_list.content history_proof] gives the hash of the
     level tree for this cell, while [Skip_list.back_pointers
@@ -211,11 +215,11 @@ include Sc_rollup_data_version_sig.S with type t = V1.t
 
 include module type of V1 with type t = V1.t
 
-(** This extracts the current level hash from the inbox. Note: the
+(** This extracts the current {!level_proof} from the inbox. Note: the
     current level hash is stored lazily as [fun () -> ...], and this
     function will call that function. So don't use this if you want to
     preserve the laziness. *)
-val current_level_hash : t -> Hash.t
+val current_level_proof : t -> level_proof
 
 type serialized_proof
 
@@ -236,7 +240,7 @@ module type Merkelized_operations = sig
   (** Initialise a new level. [new_level_tree ctxt level] is a merkle
       tree with no messages yet, but has the [level] stored so we can
       check that in proofs. *)
-  val new_level_tree : inbox_context -> Raw_level_repr.t -> tree Lwt.t
+  val new_level_tree : inbox_context -> tree Lwt.t
 
   (** [add_messages ctxt history inbox level payloads level_tree] inserts
       a list of [payloads] as new messages in the [level_tree] of the
diff --git a/src/proto_alpha/lib_protocol/skip_list_repr.ml b/src/proto_alpha/lib_protocol/skip_list_repr.ml
index 44b484af9f5a02cce28659368d7fa6bd652c288c..b266f6ae1fec35a3db5773efcffb40762a996669 100644
--- a/src/proto_alpha/lib_protocol/skip_list_repr.ml
+++ b/src/proto_alpha/lib_protocol/skip_list_repr.ml
@@ -97,9 +97,9 @@ module type S = sig
 
   val search :
     deref:('ptr -> ('content, 'ptr) cell option) ->
-    compare:('content -> int Lwt.t) ->
+    compare:('content -> int) ->
     cell:('content, 'ptr) cell ->
-    ('content, 'ptr) search_result Lwt.t
+    ('content, 'ptr) search_result
 end
 
 module Make (Parameters : sig
@@ -380,7 +380,6 @@ end) : S = struct
 
   let search (type ptr) ~(deref : ptr -> ('content, ptr) cell option) ~compare
       ~cell =
-    let open Lwt_syntax in
     let ( = ), ( < ), ( > ) = Compare.Int.(( = ), ( < ), ( > )) in
     (* Given a cell, to compute the minimal path, we need to find the
        good back-pointer. This is done linearly with respect to the
@@ -407,7 +406,7 @@ end) : S = struct
       let back_pointers_length = FallbackArray.length cell.back_pointers in
       if back_pointers_length = 0 then
         (* [cell] is the genesis cell. *)
-        return {rev_path; last_cell = No_exact_or_lower_ptr}
+        {rev_path; last_cell = No_exact_or_lower_ptr}
       else
         let candidate_ptr =
           match back_pointer cell ix with
@@ -423,13 +422,13 @@ end) : S = struct
         | None ->
             (* If we cannot dereference a pointer, We stop the search
                and returns the current path. *)
-            return {rev_path; last_cell = Deref_returned_none}
+            {rev_path; last_cell = Deref_returned_none}
         | Some next_cell -> (
-            let* comparison = compare next_cell.content in
+            let comparison = compare next_cell.content in
             if comparison = 0 then
               (* We have found the target.*)
               let rev_path = next_cell :: rev_path in
-              return {rev_path; last_cell = Found next_cell}
+              {rev_path; last_cell = Found next_cell}
             else if comparison > 0 then
               if ix < back_pointers_length - 1 then
                 (* There might be a short path by dereferencing the next pointer. *)
@@ -442,11 +441,10 @@ end) : S = struct
               (* We found a cell lower than the target. *)
               (* The first back pointers gives a cell below the target *)
               let rev_path = next_cell :: rev_path in
-              return
-                {
-                  rev_path;
-                  last_cell = Nearest {lower = next_cell; upper = Some cell};
-                }
+              {
+                rev_path;
+                last_cell = Nearest {lower = next_cell; upper = Some cell};
+              }
             else
               (* We found a cell lower than the target. *)
               (* The previous pointer was actually the good one. *)
@@ -463,12 +461,11 @@ end) : S = struct
                   let rev_path = good_next_cell :: rev_path in
                   aux rev_path good_next_cell 0)
     in
-    let* comparison = compare cell.content in
+    let comparison = compare cell.content in
     if Compare.Int.(comparison = 0) then
       (* Particular case where the target is the start cell. *)
-      return {rev_path = [cell]; last_cell = Found cell}
+      {rev_path = [cell]; last_cell = Found cell}
     else if Compare.Int.(comparison < 0) then
-      return
-        {rev_path = [cell]; last_cell = Nearest {lower = cell; upper = None}}
+      {rev_path = [cell]; last_cell = Nearest {lower = cell; upper = None}}
     else aux [cell] cell 0
 end
diff --git a/src/proto_alpha/lib_protocol/skip_list_repr.mli b/src/proto_alpha/lib_protocol/skip_list_repr.mli
index 44c69663959d19dea7f74fd94e67b0e4d91fc096..621f2f5f3a3091581d3d267e141dc7f99422d584 100644
--- a/src/proto_alpha/lib_protocol/skip_list_repr.mli
+++ b/src/proto_alpha/lib_protocol/skip_list_repr.mli
@@ -184,9 +184,9 @@ module type S = sig
      logarithmic. *)
   val search :
     deref:('ptr -> ('content, 'ptr) cell option) ->
-    compare:('content -> int Lwt.t) ->
+    compare:('content -> int) ->
     cell:('content, 'ptr) cell ->
-    ('content, 'ptr) search_result Lwt.t
+    ('content, 'ptr) search_result
 end
 
 module Make (_ : sig
diff --git a/src/proto_alpha/lib_protocol/test/unit/test_skip_list_repr.ml b/src/proto_alpha/lib_protocol/test/unit/test_skip_list_repr.ml
index 4a6fad10255b60ac4c1910a77f416800d5cc6e2b..ba605fa96fa2d514f38bdb2f344a8eb5163c9ec0 100644
--- a/src/proto_alpha/lib_protocol/test/unit/test_skip_list_repr.ml
+++ b/src/proto_alpha/lib_protocol/test/unit/test_skip_list_repr.ml
@@ -97,11 +97,10 @@ struct
     back_path ~deref:(deref list) ~cell_ptr:start ~target_index:stop
 
   let search list start target_content =
-    Lwt_main.run
-      (search
-         ~deref:(deref list)
-         ~compare:(fun x -> Lwt.return Compare.Int.(compare x target_content))
-         ~cell:start)
+    search
+      ~deref:(deref list)
+      ~compare:(fun x -> Compare.Int.(compare x target_content))
+      ~cell:start
 
   let valid_back_path list start stop path =
     valid_back_path
diff --git a/tezt/tests/expected/dal.ml/Alpha- Testing rollup and Data availability layer node (rollup_node_applies_dal_.out b/tezt/tests/expected/dal.ml/Alpha- Testing rollup and Data availability layer node (rollup_node_applies_dal_.out
index 36ef8d429a779d2c77c24b4d06af61ab0f5e690c..ef90356234d7f2049b0fc17be7e740c999ee4173 100644
--- a/tezt/tests/expected/dal.ml/Alpha- Testing rollup and Data availability layer node (rollup_node_applies_dal_.out	
+++ b/tezt/tests/expected/dal.ml/Alpha- Testing rollup and Data availability layer node (rollup_node_applies_dal_.out	
@@ -362,16 +362,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.725
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - RPC API should work and be stable (api).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - RPC API should work and be stable (api).out
index e2bd94008365078b5f20c7a95973c3389873d2b2..efe01eba70bd05fce0e96b48176f2715a6982a44 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - RPC API should work and be stable (api).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - RPC API should work and be stable (api).out	
@@ -60,15 +60,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 10
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -97,15 +97,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 17
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 17
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -134,16 +134,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 24
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -172,16 +172,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 31
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 31
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -210,16 +210,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 38
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 38
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -248,16 +248,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 45
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -286,17 +286,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 52
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 52
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -325,17 +325,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 59
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -364,17 +365,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -403,17 +405,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 73
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -442,17 +445,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 80
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -481,17 +485,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 87
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -520,17 +525,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 94
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -559,17 +565,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 101
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -598,18 +605,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 108
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_0).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_0).out
index d05fb38f92b61ba303b55153c77b2b7c193ff6f4..2cc136fabd1b50704b194147f959687e75ef5b72 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_0).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_0).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.123
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 8
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 8
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_5).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_5).out
index d05fb38f92b61ba303b55153c77b2b7c193ff6f4..2cc136fabd1b50704b194147f959687e75ef5b72 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_5).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (_5).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.123
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 8
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 8
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_0).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_0).out
index 3ec555553ad68fed3cbf9b05409df3ab8318c710..42fe0fdf18ad0c304d2ddeb25004cf8e43b2a160 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_0).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_0).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.191
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 8
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 8
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_5).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_5).out
index 3ec555553ad68fed3cbf9b05409df3ab8318c710..42fe0fdf18ad0c304d2ddeb25004cf8e43b2a160 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_5).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - an outbox message should be executable (aux_5).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.191
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 8
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 8
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (basic).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (basic).out
index 68a99274801ef2c679c58683345164e076c73819..ae65c5b3b56601280d50db54065bd04e9f722de2 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (basic).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (basic).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (disconnects).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (disconnects).out
index 7d378f56094ef044b6fd3f38e5baa33515422edc..5f5541661f3c6fc266b20966b1b2b55b4316aa3a 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (disconnects).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (disconnects).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 13
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 13
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 17
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 17
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (handles_chain_reorg).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (handles_chain_reorg).out
index cfc41b43a2b1ad18d10a17f142b7378ad1c6eda6..6bc2696a4d9fb37f1d400207c340ae3a192975dc 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (handles_chain_reorg).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - maintenance of inbox in the rollup node (handles_chain_reorg).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,15 +131,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -168,16 +168,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - node advances PVM state with messages.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - node advances PVM state with messages.out
index 5bcf8355836b69dfa038a5a409424b76ecefd94a..f1a5a00d66ed4339e2328b5ebb6fc9896b72c18d 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - node advances PVM state with messages.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - node advances PVM state with messages.out	
@@ -67,15 +67,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -119,15 +119,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -171,16 +171,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -224,16 +224,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 15
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -277,16 +277,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 18
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 18
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -330,16 +330,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 21
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -383,17 +383,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 24
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -437,17 +437,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 27
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -491,17 +492,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 30
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -545,17 +547,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.681
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 33
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - pushing messages in the inbox - check inbox size.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - pushing messages in the inbox - check inbox size.out
index 67fe6cfcf07f3328ba831ce571a2dd239b0a2a4d..a040053799310244f4f6ba7c3cef0cc1e98e23c3 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - pushing messages in the inbox - check inbox size.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - pushing messages in the inbox - check inbox size.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (arith).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (arith).out
index cc5cb0a12be2427ff5aa221e5cf4a742bf6605a5..ccc4d94694a8c0cd984a58a2a302a3ac65d42b33 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (arith).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (arith).out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.497
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (batcher_does_not_p.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (batcher_does_not_p.out
index a144083922ded8d8e8e7de74a4de23a88fdb263e..37ea5ea31287f64820e39d43d7a5c6bfdc828197 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (batcher_does_not_p.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (batcher_does_not_p.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (commitment_is_stor.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (commitment_is_stor.out
index 0e3db719096a1193126d58c9db951d73d63a13dc..1340aff09471dd33e7a5fb75884c0c92fa8b8bc3 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (commitment_is_stor.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (commitment_is_stor.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (handles_chain_reor.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (handles_chain_reor.out
index 5b08a0aff684812d01f414dee79f352077de8d53..37e8b6cd3fc5a43bb05f2e7b990ba969abb8b951 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (handles_chain_reor.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (handles_chain_reor.out	
@@ -61,18 +61,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 64
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (maintenance_publis.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (maintenance_publis.out
index 596bf1aa12eab2eb62703caf384be889c32a0184..9e3cf04dc0dc78f3d41b33c241726adef5ef9540 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (maintenance_publis.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (maintenance_publis.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (messages_reset).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (messages_reset).out
index ca27516578b9467f1f6641359d5f5d25db5c000b..7bdd5c470ad5fb7032e6bc47aea4732dfcca2112 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (messages_reset).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (messages_reset).out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (node_use_proto_par.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (node_use_proto_par.out
index 696661cbc72a5c42f26bbe13a568acb36ad288a7..127d1146399bdad51894d544ab4e1138b1294ca2 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (node_use_proto_par.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (node_use_proto_par.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (non_final_level).out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (non_final_level).out
index 0f619e97f397f1b781718f254170c5a4eadd017c..6031fc5b740dddbd43cd41dd549db10ce1f2675a 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (non_final_level).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (non_final_level).out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (observer_does_not_.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (observer_does_not_.out
index a144083922ded8d8e8e7de74a4de23a88fdb263e..37ea5ea31287f64820e39d43d7a5c6bfdc828197 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (observer_does_not_.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (observer_does_not_.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (operator_publishes.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (operator_publishes.out
index 596bf1aa12eab2eb62703caf384be889c32a0184..9e3cf04dc0dc78f3d41b33c241726adef5ef9540 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (operator_publishes.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (operator_publishes.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (robust_to_failures.out b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (robust_to_failures.out
index d5b20fee3dff206d8490333fc6ade3aa42b5cdbb..c4f2d70b511a8b7203fbab898f7f06794f9c0b1a 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (robust_to_failures.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- arith - rollup node - correct handling of commitments (robust_to_failures.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- commitments- publish- and try to cement not on top of LCC or disputed.out b/tezt/tests/expected/sc_rollup.ml/Alpha- commitments- publish- and try to cement not on top of LCC or disputed.out
index 4ae72b9e3dff602a79dc939df2e767b130e02486..7e59f0ba450c06c1b4d16db88ca270c186e93cfc 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- commitments- publish- and try to cement not on top of LCC or disputed.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- commitments- publish- and try to cement not on top of LCC or disputed.out	
@@ -467,7 +467,7 @@ Error:
 
 ./octez-client --wait none timeout dispute on sc rollup '[SC_ROLLUP_HASH]' with '[PUBLIC_KEY_HASH]' from bootstrap1
 Node is bootstrapped.
-Estimated gas: 8211.318 units (will add 100 for safety)
+Estimated gas: 8211.326 units (will add 100 for safety)
 Estimated storage: no bytes added
 Operation successfully injected in the node.
 Operation hash is '[OPERATION_HASH]'
@@ -490,7 +490,7 @@ This sequence of operations was run:
       First staker (Alice): [PUBLIC_KEY_HASH]
       Second staker (Bob): [PUBLIC_KEY_HASH]
       This smart contract rollup refutation timeout was successfully applied
-      Consumed gas: 8211.318
+      Consumed gas: 8211.326
       Refutation game status: Game ended: [PUBLIC_KEY_HASH] lost because: timeout
       Balance updates:
         Frozen_bonds([PUBLIC_KEY_HASH],[SC_ROLLUP_HASH]) ... -ꜩ10000
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- ensure arith boot sector is used.out b/tezt/tests/expected/sc_rollup.ml/Alpha- ensure arith boot sector is used.out
index c93ffa18e78cc17ea850f2ba145c3c65f1d6ea37..2f489f6b59b4ffc1ace96738a90c5a9d0ae7aef5 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- ensure arith boot sector is used.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- ensure arith boot sector is used.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.528
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -139,16 +139,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.528
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 11
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 11
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- refutation game timeout.out b/tezt/tests/expected/sc_rollup.ml/Alpha- refutation game timeout.out
index 114c8dcd6d92a2d0c60adf957a1e4a1cdf647c51..8af87267344f361508350578754d920f097b9997 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- refutation game timeout.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- refutation game timeout.out	
@@ -295,7 +295,7 @@ This sequence of operations was run:
 
 ./octez-client --wait none timeout dispute on sc rollup '[SC_ROLLUP_HASH]' with '[PUBLIC_KEY_HASH]' from bootstrap1
 Node is bootstrapped.
-Estimated gas: 8211.318 units (will add 100 for safety)
+Estimated gas: 8211.326 units (will add 100 for safety)
 Estimated storage: no bytes added
 Operation successfully injected in the node.
 Operation hash is '[OPERATION_HASH]'
@@ -318,7 +318,7 @@ This sequence of operations was run:
       First staker (Alice): [PUBLIC_KEY_HASH]
       Second staker (Bob): [PUBLIC_KEY_HASH]
       This smart contract rollup refutation timeout was successfully applied
-      Consumed gas: 8211.318
+      Consumed gas: 8211.326
       Refutation game status: Game ended: [PUBLIC_KEY_HASH] lost because: timeout
       Balance updates:
         Frozen_bonds([PUBLIC_KEY_HASH],[SC_ROLLUP_HASH]) ... -ꜩ10000
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- refutation- check the punishment and reward.out b/tezt/tests/expected/sc_rollup.ml/Alpha- refutation- check the punishment and reward.out
index 5ad053297922fa11a38016b5cd35c81d87d13856..8354f7f0ead5dfa7d9566a75fd946a495fe6c83f 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- refutation- check the punishment and reward.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- refutation- check the punishment and reward.out	
@@ -107,7 +107,7 @@ This sequence of operations was run:
 
 ./octez-client --wait none timeout dispute on sc rollup '[SC_ROLLUP_HASH]' with '[PUBLIC_KEY_HASH]' from bootstrap1
 Node is bootstrapped.
-Estimated gas: 6460.948 units (will add 100 for safety)
+Estimated gas: 6460.956 units (will add 100 for safety)
 Estimated storage: no bytes added
 Operation successfully injected in the node.
 Operation hash is '[OPERATION_HASH]'
@@ -130,7 +130,7 @@ This sequence of operations was run:
       First staker (Alice): [PUBLIC_KEY_HASH]
       Second staker (Bob): [PUBLIC_KEY_HASH]
       This smart contract rollup refutation timeout was successfully applied
-      Consumed gas: 6460.948
+      Consumed gas: 6460.956
       Refutation game status: Game ended: [PUBLIC_KEY_HASH] lost because: timeout
       Balance updates:
         Frozen_bonds([PUBLIC_KEY_HASH],[SC_ROLLUP_HASH]) ... -ꜩ10000
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - RPC API should work and be stable (api).out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - RPC API should work and be stable (api).out
index 1a284f882e788c292464877b3c78978f96ebf9d3..c7d1ea31668ce5442696402e4ac8cf21605a9343 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - RPC API should work and be stable (api).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - RPC API should work and be stable (api).out	
@@ -60,15 +60,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 10
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -97,15 +97,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 17
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 17
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -134,16 +134,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 24
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -172,16 +172,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 31
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 31
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -210,16 +210,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 38
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 38
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -248,16 +248,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 45
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -286,17 +286,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 52
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 52
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -325,17 +325,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 59
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -364,17 +365,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -403,17 +405,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 73
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -442,17 +445,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 80
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -481,17 +485,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 87
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -520,17 +525,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 94
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -559,17 +565,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 101
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -598,18 +605,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 108
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (basic).out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (basic).out
index a555156a07d3605b397894a55b32bd3bcb18f4ce..2be7d4de4b71b9740d6d6fe00c48de0f32b4e94c 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (basic).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (basic).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (disconnects).out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (disconnects).out
index d5a377f706d46ce6ce66a3ae64d4a46b44d8166b..f5e3d37e3234918dc29d3158d8f7ec4c67ad56ce 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (disconnects).out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (disconnects).out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 13
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 13
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 17
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 17
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (handles_chain_reorg.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (handles_chain_reorg.out
index e1476b5d2a992f7ce4fca3b2220518774e174a4c..98e09822026ec3481fcb1bda0f4cda51a4cbda23 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (handles_chain_reorg.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - maintenance of inbox in the rollup node (handles_chain_reorg.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,15 +131,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -168,16 +168,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - node advances PVM state with messages.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - node advances PVM state with messages.out
index 1531aed752d46303cbf52695ed20a1e7e8a8c1b1..60fbb7f5e96e118ab3859234b7234873afe193ce 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - node advances PVM state with messages.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - node advances PVM state with messages.out	
@@ -67,15 +67,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -116,15 +116,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -165,16 +165,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -215,16 +215,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 15
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -265,16 +265,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 18
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 18
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -315,16 +315,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 21
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +365,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 24
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -416,17 +416,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 27
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -467,17 +468,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 30
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -518,17 +520,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.681
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 33
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - pushing messages in the inbox - check inbox size.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - pushing messages in the inbox - check inbox size.out
index 5db16574aa67fddf01de41280f9ce1ab49b9589d..7626f5c663e629e27e1ad7e0cd07cee91e7fae3a 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - pushing messages in the inbox - check inbox size.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - pushing messages in the inbox - check inbox size.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (batcher_does_.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (batcher_does_.out
index b5e0cb5819b4b6eef59be6f6302eedebf15d5c7a..99353541a0b90990b30231758a9b722118120fca 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (batcher_does_.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (batcher_does_.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (commitment_is.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (commitment_is.out
index ac06c65025e106adb4e93a978a0587ec3e088fdd..1d6f815d0b6fd3eab34db290dc0f8418cddaeba7 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (commitment_is.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (commitment_is.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (handles_chain.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (handles_chain.out
index 5dd850c263e375eb73cf96221f1c4ac38a27e031..ed8c52752a527a35cc7124b57435d011fad15c1a 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (handles_chain.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (handles_chain.out	
@@ -61,18 +61,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 64
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (maintenance_p.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (maintenance_p.out
index 60376128efba8e1d13f4c78c3a50b9f421fa7971..98f627d38414afdcfc065f56446fcc3df174dca0 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (maintenance_p.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (maintenance_p.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (messages_rese.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (messages_rese.out
index 107aec656eef763d7b6bb3f30c16d2b07c606cc2..70dda7916eaabf9326c08632a46cb914f8ef6761 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (messages_rese.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (messages_rese.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (node_use_prot.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (node_use_prot.out
index 8ba00d8131fb5e1f08fd8ca97c1e8df8753188a5..317cd9ddcbb1dbb1c299b90b4221191752aa3edc 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (node_use_prot.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (node_use_prot.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (non_final_lev.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (non_final_lev.out
index 5d27499a7b37ac83e49c00653588be7d619b6b84..228a23c86d932bfd80abfaf999a3ba6c7ca02691 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (non_final_lev.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (non_final_lev.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (observer_does.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (observer_does.out
index b5e0cb5819b4b6eef59be6f6302eedebf15d5c7a..99353541a0b90990b30231758a9b722118120fca 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (observer_does.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (observer_does.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (operator_publ.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (operator_publ.out
index 60376128efba8e1d13f4c78c3a50b9f421fa7971..98f627d38414afdcfc065f56446fcc3df174dca0 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (operator_publ.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (operator_publ.out	
@@ -57,15 +57,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -94,15 +94,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -131,16 +131,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -169,16 +169,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -207,16 +207,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -245,16 +245,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -283,17 +283,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -322,17 +322,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -361,17 +362,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -400,17 +402,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -439,17 +442,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -478,17 +482,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -517,17 +522,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -556,17 +562,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -595,18 +602,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -635,18 +643,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -675,18 +684,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -715,18 +725,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -755,18 +766,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -795,18 +807,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -835,18 +848,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -875,18 +889,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -915,18 +930,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -955,18 +971,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -995,18 +1012,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1035,18 +1053,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1075,18 +1094,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1115,18 +1135,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1155,18 +1176,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1195,18 +1217,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1235,19 +1258,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 33
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
                                nb_messages_in_commitment_period = 531
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
        index = 32
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1276,19 +1300,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 34
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
                                nb_messages_in_commitment_period = 535
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 33
        index = 33
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1317,19 +1342,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 35
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
                                nb_messages_in_commitment_period = 540
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 34
        index = 34
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1358,19 +1384,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 36
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
                                nb_messages_in_commitment_period = 546
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 35
        index = 35
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1399,19 +1426,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 37
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
                                nb_messages_in_commitment_period = 553
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 36
        index = 36
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1440,19 +1468,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 38
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
                                nb_messages_in_commitment_period = 561
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 37
        index = 37
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1481,19 +1510,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 39
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
                                nb_messages_in_commitment_period = 570
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 38
        index = 38
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1522,19 +1552,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 40
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
                                nb_messages_in_commitment_period = 580
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 39
        index = 39
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1563,19 +1594,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 41
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
                                nb_messages_in_commitment_period = 591
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 40
        index = 40
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1604,19 +1636,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 42
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
                                nb_messages_in_commitment_period = 603
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 41
        index = 41
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1645,19 +1678,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 43
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
                                nb_messages_in_commitment_period = 616
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 42
        index = 42
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1686,19 +1720,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 44
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
                                nb_messages_in_commitment_period = 630
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 43
        index = 43
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1727,19 +1762,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 45
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
                                nb_messages_in_commitment_period = 645
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 44
        index = 44
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1768,19 +1804,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 46
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
                                nb_messages_in_commitment_period = 661
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 45
        index = 45
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1809,19 +1846,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 47
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
                                nb_messages_in_commitment_period = 678
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 46
        index = 46
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1850,19 +1888,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 48
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
                                nb_messages_in_commitment_period = 696
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 47
        index = 47
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1891,19 +1930,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 49
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
                                nb_messages_in_commitment_period = 715
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 48
        index = 48
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1932,19 +1972,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 50
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
                                nb_messages_in_commitment_period = 735
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 49
        index = 49
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1973,19 +2014,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 51
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
                                nb_messages_in_commitment_period = 756
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 50
        index = 50
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2014,19 +2056,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 52
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
                                nb_messages_in_commitment_period = 778
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 51
        index = 51
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2055,19 +2098,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 53
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
                                nb_messages_in_commitment_period = 801
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 52
        index = 52
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2096,19 +2140,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 54
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
                                nb_messages_in_commitment_period = 825
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 53
        index = 53
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2137,19 +2182,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 55
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
                                nb_messages_in_commitment_period = 850
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 54
        index = 54
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2178,19 +2224,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 56
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
                                nb_messages_in_commitment_period = 876
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 55
        index = 55
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2219,19 +2266,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 57
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
                                nb_messages_in_commitment_period = 903
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 56
        index = 56
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2260,19 +2308,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 58
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
                                nb_messages_in_commitment_period = 931
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 57
        index = 57
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2301,19 +2350,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 59
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
                                nb_messages_in_commitment_period = 960
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 58
        index = 58
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2342,19 +2392,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 60
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
                                nb_messages_in_commitment_period = 990
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 59
        index = 59
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2383,19 +2434,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 61
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
                                nb_messages_in_commitment_period = 1021
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 60
        index = 60
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -2424,19 +2476,20 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 62
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 62
                                nb_messages_in_commitment_period = 1053
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 61
        index = 61
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (robust_to_fai.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (robust_to_fai.out
index b0014e8599296fb6e0652c44ad3590819cc1b486..7b82ed1546638383dee8b5eaab4973722dc99dd2 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (robust_to_fai.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - rollup node - correct handling of commitments (robust_to_fai.out	
@@ -61,15 +61,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.596
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -98,15 +98,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.192
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 10
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 10
                                message_counter = 3
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -135,16 +135,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1001.788
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 15
                                message_counter = 4
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -173,16 +173,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.384
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 21
                                message_counter = 5
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -211,16 +211,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1002.980
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 28
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 28
                                message_counter = 6
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -249,16 +249,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1003.576
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 36
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 36
                                message_counter = 7
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -287,17 +287,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.172
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 45
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 45
                                message_counter = 8
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -326,17 +326,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1004.768
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 55
                                message_counter = 9
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +366,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.364
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 66
                                message_counter = 10
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -404,17 +406,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1005.960
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 78
                                message_counter = 11
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -443,17 +446,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1006.556
       Resulting inbox state: { level = 13
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
                                nb_messages_in_commitment_period = 91
                                message_counter = 12
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
        index = 12
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -482,17 +486,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.152
       Resulting inbox state: { level = 14
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
                                nb_messages_in_commitment_period = 105
                                message_counter = 13
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 13
        index = 13
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -521,17 +526,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1007.748
       Resulting inbox state: { level = 15
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
                                nb_messages_in_commitment_period = 120
                                message_counter = 14
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 14
        index = 14
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -560,17 +566,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.344
       Resulting inbox state: { level = 16
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
                                nb_messages_in_commitment_period = 136
                                message_counter = 15
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 15
        index = 15
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -599,18 +606,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1008.940
       Resulting inbox state: { level = 17
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
                                nb_messages_in_commitment_period = 153
                                message_counter = 16
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 16
        index = 16
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -639,18 +647,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1009.536
       Resulting inbox state: { level = 18
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
                                nb_messages_in_commitment_period = 171
                                message_counter = 17
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 17
        index = 17
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -679,18 +688,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.132
       Resulting inbox state: { level = 19
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
                                nb_messages_in_commitment_period = 190
                                message_counter = 18
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 18
        index = 18
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -719,18 +729,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1010.728
       Resulting inbox state: { level = 20
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
                                nb_messages_in_commitment_period = 210
                                message_counter = 19
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 19
        index = 19
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -759,18 +770,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.324
       Resulting inbox state: { level = 21
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
                                nb_messages_in_commitment_period = 231
                                message_counter = 20
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 20
        index = 20
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -799,18 +811,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1011.920
       Resulting inbox state: { level = 22
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
                                nb_messages_in_commitment_period = 253
                                message_counter = 21
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 21
        index = 21
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -839,18 +852,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1012.516
       Resulting inbox state: { level = 23
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
                                nb_messages_in_commitment_period = 276
                                message_counter = 22
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 22
        index = 22
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -879,18 +893,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.112
       Resulting inbox state: { level = 24
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
                                nb_messages_in_commitment_period = 300
                                message_counter = 23
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 23
        index = 23
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -919,18 +934,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1013.708
       Resulting inbox state: { level = 25
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
                                nb_messages_in_commitment_period = 325
                                message_counter = 24
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 24
        index = 24
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -959,18 +975,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.304
       Resulting inbox state: { level = 26
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
                                nb_messages_in_commitment_period = 351
                                message_counter = 25
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 25
        index = 25
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -999,18 +1016,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1014.900
       Resulting inbox state: { level = 27
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
                                nb_messages_in_commitment_period = 378
                                message_counter = 26
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 26
        index = 26
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1039,18 +1057,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1015.496
       Resulting inbox state: { level = 28
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
                                nb_messages_in_commitment_period = 406
                                message_counter = 27
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 27
        index = 27
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1079,18 +1098,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.092
       Resulting inbox state: { level = 29
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
                                nb_messages_in_commitment_period = 435
                                message_counter = 28
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 28
        index = 28
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1119,18 +1139,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1016.688
       Resulting inbox state: { level = 30
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
                                nb_messages_in_commitment_period = 465
                                message_counter = 29
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 29
        index = 29
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1159,18 +1180,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.284
       Resulting inbox state: { level = 31
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
                                nb_messages_in_commitment_period = 496
                                message_counter = 30
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 30
        index = 30
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -1199,18 +1221,19 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1017.880
       Resulting inbox state: { level = 32
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 32
                                nb_messages_in_commitment_period = 528
                                message_counter = 31
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 31
        index = 31
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_bad_fingerprint.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_bad_fingerprint.out
index 42d5bac630d96127edbe8498db7d887f2820d214..4a9220cd9e40011ebc5cc9112bf934443d096bc8 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_bad_fingerprint.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_bad_fingerprint.out	
@@ -67,15 +67,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -116,15 +116,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -165,16 +165,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -215,16 +215,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 15
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -265,16 +265,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 18
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 18
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -315,16 +315,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 21
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +365,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 24
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -416,17 +416,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 27
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -467,17 +468,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 30
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -518,17 +520,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.681
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 33
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_random.out b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_random.out
index 8a7887f0cb7d7f6247fb1cb8624b1930a925e25b..ee74787d490e3b994490132da073427d7de1be87 100644
--- a/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_random.out	
+++ b/tezt/tests/expected/sc_rollup.ml/Alpha- wasm_2_0_0 - runs with kernel - no_parse_random.out	
@@ -67,15 +67,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 3
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 6
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3 nb_messages_in_commitment_period = 6
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 2
        index = 2
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -116,15 +116,15 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.647
       Resulting inbox state: { level = 4
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 9
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4 nb_messages_in_commitment_period = 9
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 3
        index = 3
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -165,16 +165,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 5
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 12
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5 nb_messages_in_commitment_period = 12
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 4
        index = 4
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -215,16 +215,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 6
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 15
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6 nb_messages_in_commitment_period = 15
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 5
        index = 5
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -265,16 +265,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 7
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 18
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7 nb_messages_in_commitment_period = 18
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 6
        index = 6
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -315,16 +315,16 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 8
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 21
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8 nb_messages_in_commitment_period = 21
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 7
        index = 7
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -365,17 +365,17 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 9
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
-                               nb_messages_in_commitment_period = 24
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9 nb_messages_in_commitment_period = 24
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 8
        index = 8
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -416,17 +416,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 10
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
                                nb_messages_in_commitment_period = 27
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 9
        index = 9
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -467,17 +468,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.664
       Resulting inbox state: { level = 11
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
                                nb_messages_in_commitment_period = 30
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 10
        index = 10
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
@@ -518,17 +520,18 @@ This sequence of operations was run:
       This smart contract rollup messages submission was successfully applied
       Consumed gas: 1000.681
       Resulting inbox state: { level = 12
-                               current messages hash  = [SC_ROLLUP_INBOX_HASH]
+                               current messages hash  = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 12
                                nb_messages_in_commitment_period = 33
                                message_counter = 2
-                               old_levels_messages = hash : [SC_ROLLUP_INBOX_HASH]
-                                                     
-       content = [SC_ROLLUP_INBOX_HASH]
+                               old_levels_messages = 
+       content = hash: [SC_ROLLUP_INBOX_HASH]
+                               level: 11
        index = 11
        back_pointers = [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
-                                                     [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
+                               [SC_ROLLUP_INBOX_HASH]
     
                                }
 
diff --git a/tezt/tests/sc_rollup.ml b/tezt/tests/sc_rollup.ml
index 9dd6f4f9ba8d784818234edffbdce6bd7c3541f7..32c05acfffb9dea45593b1740f78814298896007 100644
--- a/tezt/tests/sc_rollup.ml
+++ b/tezt/tests/sc_rollup.ml
@@ -534,10 +534,11 @@ let send_text_messages ?src client msgs =
 
 let parse_inbox json =
   let go () =
-    let inbox = JSON.as_object json in
     return
-      ( List.assoc "current_level_hash" inbox |> JSON.as_string,
-        List.assoc "nb_messages_in_commitment_period" inbox |> JSON.as_int )
+      JSON.
+        ( json |-> "current_level_proof" |-> "hash" |> as_string,
+          json |-> "current_level_proof" |-> "level" |> as_int,
+          json |-> "nb_messages_in_commitment_period" |> JSON.as_int )
   in
   Lwt.catch go @@ fun exn ->
   failwith
@@ -570,7 +571,7 @@ let test_rollup_inbox_size ~kind =
       ( with_fresh_rollup ~kind @@ fun _sc_rollup _sc_rollup_node _filename ->
         let n = 10 in
         let* () = send_messages n client in
-        let* _, inbox_msg_during_commitment_period =
+        let* _hash, _level, inbox_msg_during_commitment_period =
           get_inbox_from_tezos_node client
         in
         (* Expect [n] messages per level + SOL/EOL for each level including
@@ -631,7 +632,7 @@ let test_rollup_inbox_of_rollup_node variant scenario ~kind =
         return
         @@ Check.(
              (inbox_from_sc_rollup_node = inbox_from_tezos_node)
-               (tuple2 string int)
+               (tuple3 string int int)
                ~error_msg:"expected value %R, got %L") )
         node
         client)