* Fix bad rent in Bank::deposit as if since epoch 0
* Remove redundant predicate
* Rename
* Start to add tests with some cleanup
* Forgot to add refactor code...
* Enchance test
* Really fix rent timing in deposit with robust test
* Simplify new behavior by disabling rent altogether
* Move bank (de)serialisation logic from bank and snapshot_utils to serde_snapshot.
Add sanity assertions between genesis config and bank fields on deserialisation.
Atomically update atomic bool in quote_for_specialization_detection().
Use same genesis config when restoring snapshots in test cases.
* Tidy up namings and duplicate structs to version
* Apply struct renames to tests
* Update abi hashes
Co-authored-by: Ryo Onodera <ryoqun@gmail.com>
* collect rent from credit debit accounts
* collect rent from credit only account
* rent_collector now can deduct partial rent + no mem copy + improved design
* adding a test to test credit only rent
* add bank level test for rent deduction
* add test to check if hash value changes or not
* adding test scenario for lamport circulation
* collect rent from credit-debit account
* collect rent from credit only account
* improved design for rent collection
* only process if collected rent is non zero
* rent_collector now can deduct partial rent + no mem copy
* adding a test to test credit only rent
* add bank level test for rent deduction
* add test to check if hash value changes or not
* adding test scenario for lamport circulation
* combining rent debtors into credit only locks
* rename rent.rs to rent_calculator.rs
* add rent sysvar
* integrate rent_calculator with bank
* rent_calculator integration with genesis
* add test for rent sysvar