Implement handling of deposit-values in SCORU
This MR addresses issue #2449 (closed). The following changes have been made:
- freeze deposits in [Sc_rollup_storage.deposit_stake]
- unfreeze deposits in [Sc_rollup_storage.withdraw_stake]
- burn deposits in [Sc_rollup_storage.remove_staker]
- test that corresponding account balances change (or do not) as expected in existing tests
- update operations receipts to include balance updates generated by the freezing/unfreezing/burning of deposits
Manually testing the MR
CI, in particular :
dune exec src/proto_alpha/lib_protocol/test/unit/main.exe -- test "^\[Unit\] Sc_rollup_storage.ml$"
Edited by Boubacar Sall