Backport !7347: SCORU/Node: Add endpoint to read durable storage
Context
git cherry-pick 468697a773b3bd368b2cc553dc41802cf8a51e31
git cherry-pick 995162dd2b134b4415fd03fd7ff38f96a2832eb8
The only conflict was moving functions get_head/get_finalized from RPC_server.ml to here !7863 (89ca8a3a)
Backport of !7347 (merged)
Manually testing the MR
Checklist
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Document the interface of any function added or modified (see the coding guidelines) -
Document any change to the user interface, including configuration parameters (see node configuration) -
Provide automatic testing (see the testing guide). -
For new features and bug fixes, add an item in the appropriate changelog ( docs/protocols/alpha.rstfor the protocol and the environment,CHANGES.rstat the root of the repository for everything else). -
Select suitable reviewers using the Reviewersfield below. -
Select as Assigneethe next person who should take action on that MR
Edited by Ilya Peresadin