What

Separate State_account in three files

Why

Separate functionalities for better navigation

Account_helpers: account_state and balance type definitions with basic functions
Tez_staking_helpers: Tez manipulation for staking (pseudotokens, frozen tez distribution...)
State_account: higher level account manipulation, operational effect on balances (stake, unstake, slashing...)

Does not change the existing tests

dune exec src/proto_alpha/lib_protocol/test/integration/main.exe -- --match "test_scenario.*\.ml" -j 4 -k

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.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
Select suitable reviewers using the Reviewers field below.
Select as Assignee the next person who should take action on that MR

Edited Feb 28, 2024 by Lucas Randazzo