* Find and load missing programs in LoadedPrograms cache
- filter program accounts in a transaction batch
- filter the accounts that are missing in LoadedPrograms cache
- load the programs before processing the transactions
- unit tests
* address review comments
* fix clippy
* address review comments
* fix test
* fix more tests
* Add version and state_complate flag into bank snapshot
* Add test_get_highest_full_snapshot_slot_and_path
* fix build checks
* fix slot_deltas panic in test_get_highest_full_snapshot_slot_and_path
* make bank rooted for test_get_highest_full_snapshot_slot_and_path
* fix bank scope problem in test_get_highest_full_snapshot_slot_and_path
* minor cleanup
* misc review issues
* remove unneeded error defs and functions
* Fix state_complete macro naming
* fix snapshot_version
* Add accounts hard-link files into the bank snapshot directory
* Small adjustments and fixes.
* Address some of the review issues
* Fix compilation issues
* Change the latest slot snapshot storage from VecDeque to Option
* IoWithSourceAndFile and expanded comments on accounts
* last_slot_snapshot_storages in return value
* Update comments following the review input
* rename dir_accounts_hard_links to hard_link_path
* Add dir_full_state flag for add_bank_snapshot
* Let appendvec files hardlinking work with multiple accounts paths across multiple partitions
* Fixes for rebasing
* fix tests which generates account_path without adding run/
* rebasing fixes
* fix account path test failures
* fix test test_concurrent_snapshot_packaging
* review comments. renamed the path setup function
* Addressed most of the review comments
* update with more review comments
* handle error from create_accounts_run_and_snapshot_dirs
* fix rebasing duplicate
* minor accounts_dir path cleanup
* minor cleanup, remove commented code
* misc review comments
* build error fix
* Fix test_incremental_snapshot_download_with_crossing_full_snapshot_interval_at_startup
* fix build error on MAX_BANK_SNAPSHOTS_TO_RETAIN
* rebase fix, update hardlink filename
* minor comment spelling fix
* rebasing fixes
* fix rebase issues; with_extension
* comments changes for review
* misc minor review issues
* bank.fill_bank_with_ticks_for_tests
* error handling on appendvec path
* fix use_jit
* minor comments refining
* Remove type AccountStorages
* get_account_path_from_appendvec_path return changed to Option
* removed appendvec_path.to_path_buf in create_accounts_run_and_snapshot_dirs
* add test_get_snapshot_accounts_hardlink_dir
* update last_snapshot_storages comment
* update last_snapshot_storages comment
* symlink map_err
* simplify test_get_snapshot_accounts_hardlink_dir with fake paths
* log last_snapshot_storages at the end of the loop
* Use three separate HashMaps instead of the enum TxBankExecutorCacheDiff.
* Replaces all places which deploy programs by a macro.
* Adds a feature gate.
* Adjust tests.
* Makes undeployment visible immediately.
Yueh-Hsuan Chiang
Jeff Washington (jwash)
Brooks
K-anon
Pankaj Garg
HaoranYi
Xiang Zhu
Andrew Fitzgerald
Tao Zhu
Alexander Meißner