https://github.com/solana-labs/solana/pull/22292
prevents rent paying accounts creation going forward. However a rent
paying account can linger on for ever if it is continually topped up but
stays below the rent-exempt minimum.
This can prevent eliminating accounts-rewrites and the problematic
rent_epoch field in accounts.
Link to discord discussion:
https://discord.com/channels/428295358100013066/943609352068145162/995202300001927219
This commit restricts rent-paying accounts lifetime extension by
preventing increasing lamports on the account if the account stays below
the rent-exempt minimum.
https://github.com/solana-labs/solana/pull/22292
prevents rent paying account creation going forward. As a result
rent_epoch field for rent exempt accounts is redundant, and advancing
this field will incur expensive account rewrites and cause discrepancy
between accounts-db and cached vote/stake accounts.
This commit adds a feature which upon activation preserves rent_epoch
field for rent exempt accounts so that the field is frozen and is no
longer advanced.
new_unique() does not gurantee the increment order due to the bytes
array storage and its eq-partial trait interpreting the bytes in the
big-endian way.
There's no direct linkage between account-update events and transaction-events
Issue is linked with geyser plugin interface
Currently, there's no straightforward way to determine what notify_transaction call is related to particular update_account call. So, there's no simple way to determine what transaction caused what changes in accounts. This issue is especially valuable in case when several transactions modifies single account in the same slot.
Add txn_signature field to ReplicaTransactionInfo structure
This additional field will contain the signature of transaction which caused this account update event. This modification is not bringing significant overhead because all necessary information for such linkage already available inside Accounts::collect_accounts_to_store method
https://github.com/solana-labs/solana/pull/25744
separated durable nonce and blockhash domains, which will stop double
execution going forward. However it is possible that a durable
transaction has *already* been executed once as a normal transaction and
it is now a valid durable transaction. #25744 cannot stop such
transactions to be re-executed until the nonce accounts are advanced.
This commit adds a new nonce version indicating that the nonce is moved
out of the blockhash domain, and permanently disables durable
transactions for legacy nonces which are in the blockhash domain.
AdvanceNonceAccount instruction updates nonce to blockhash. This makes it
possible that a durable transaction is executed twice both as a normal
transaction and a nonce transaction if it uses blockhash (as opposed to nonce)
for its recent_blockhash field.
The commit prevents this double execution by separating nonce and blockhash
domains; when advancing nonce account, blockhash is hashed with a fixed string.
As a result a blockhash cannot be a valid nonce value; and if transaction was
once executed as a normal transaction it cannot be re-executed as a durable
transaction again and vice-versa.
* Bank: Batch account stores in collect_rent_eagerly
Previously store() calls were done one-by-one, which leads to suboptimal
performance.
* Accounts: Remove store_slow_cached()
* clippy
Co-authored-by: Jeff Washington (jwash) <wash678@gmail.com>
* - get prioritization fee from compute_budget instruction;
- update compute_budget::process_instruction function to take instruction iter to support sanitized versioned message;
- updated runtime.md
* update transaction fee calculation for prioritization fee rate as lamports per 10K CUs
* review changes
* fix test
* fix a bpf test
* fix bpf test
* patch feedback
* fix clippy
* fix bpf test
* feedback
* rename prioritization fee rate to compute unit price
* feedback
Co-authored-by: Justin Starry <justin@solana.com>
* Pass the sum of consumed compute units to cost_tracker
* cost model tracks builtins and bpf programs separately, enabling adjust block cost by actual bpf programs execution costs
* Copied nightly-only experimental `checked_add_(un)signed` implementation to sdk
* Add function to update cost tracker with execution cost adjustment
* Review suggestion - using enum instead of struct for CommitTransactionDetails
Co-authored-by: Justin Starry <justin.m.starry@gmail.com>
* review - rename variable to distinguish accumulated_consumed_units from individual compute_units_consumed
* not to use signed integer operations
* Review - using saturating_add_assign!(), and checked_*().unwrap_or()
* Review - using Ordering enum to cmp
* replace checked_ with saturating_
* review - remove unnecessary Option<>
* Review - add function to report number of non-zero units account to metrics
* transaction-status: Add return data to meta
* Add return data to simulation results
* Use pretty-hex for printing return data
* Update arg name, make TransactionRecord struct
* Rename TransactionRecord -> ExecutionRecord
* Add simulation detection countermeasures
* Add program and test using TestValidator
* Remove incinerator deposit
* Remove incinerator
* Update Cargo.lock
* Add more features to simulation bank
* Update Cargo.lock per rebase
Co-authored-by: Jon Cinque <jon.cinque@gmail.com>
* Refactor Bank::load_and_execute_transactions
* Refactor: improve type safety of TransactionExecutionResult
* Add enum for extra type safety in execution results
* feedback
* Adds TransactionContext, InstructionContext and BorrowedAccount.
* Redirects the usage of accounts in InvokeContext through TransactionContext.
Also use the types declared in transaction_context.rs everywhere.
* Adjusts all affected tests.
* use cost model to limit new account creation
* handle every system instruction
* remove &
* simplify match
* simplify match
* add datapoint for account data size
* add postgres error handling
* handle accounts:unlock_accounts
with results code path.
- fix a bug that could unlock accounts that weren't locked
- add test to the refactored function
- skip enumerating transaction accounts if qos results is an error
- add #[must_use] annotation
- avoid clone error in results
- add qos error code to unlock_accounts match statement
- remove unnecessary AbiExample
* - cache calculated transaction cost to allow sharing;
- atomic cost tracking op;
- only lock accounts for transactions eligible for current block;
- moved qos service and stats reporting to its own model;
- add cost_weight default to neutral (as 1), vote has zero weight;
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
* Update core/src/qos_service.rs
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
* Update core/src/qos_service.rs
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
* Replaces program_id field in InvokeContextStackFrame by index.
* Swaps order of program account and programdata account.
* Removes program_id parameter from InvokeContext::push().
* add filler accounts to bloat validator and predict failure
* assert no accounts match filler
* cleanup magic numbers
* panic if can't load from snapshot with filler accounts specified
* some renames
* renames
* into_par_iter
* clean filler accts, too
Summary of Changes
Create a plugin mechanism in the accounts update path so that accounts data can be streamed out to external data stores (be it Kafka or Postgres). The plugin mechanism allows
Data stores of connection strings/credentials to be configured,
Accounts with patterns to be streamed
PostgreSQL implementation of the streaming for different destination stores to be plugged in.
The code comprises 4 major parts:
accountsdb-plugin-intf: defines the plugin interface which concrete plugin should implement.
accountsdb-plugin-manager: manages the load/unload of plugins and provide interfaces which the validator can notify of accounts update to plugins.
accountsdb-plugin-postgres: the concrete plugin implementation for PostgreSQL
The validator integrations: updated streamed right after snapshot restore and after account update from transaction processing or other real updates.
The plugin is optionally loaded on demand by new validator CLI argument -- there is no impact if the plugin is not loaded.
* Make helper associated fn
* Add feature definition
* Add handling to preserve program-id write lock when upgradeable loader is present; restore bpf upgrade-self test
* Use single feature
* Appends loaders / executable_accounts to accounts in transaction loading.
* Adds indices to loaders / executable_accounts.
* Moves MessageProcessor::create_keyed_accounts() into InvokeContext::push().
* Removes "executable_accounts",
now referenced by transaction wide index into "accounts".
* Removes create_pre_accounts() from InstructionProcessor,
as it is already in MessageProcessor.
* Collect program account indices directly in load_executable_accounts().
* Return error if Transaction locks an executable as writable
* Return error if a ProgramData account is writable but the upgradable loader isn't present
* Remove unreachable clause
* Fixup bpf tests
* Review comments
* Add new TransactionError
* Disallow writes to any upgradeable-loader account when loader not present; remove is_upgradeable_loader_present exception for all other executables
Tao Zhu
apfitzge
Jeff Washington (jwash)
behzad nouri
Xiang Zhu
Justin Starry
Jack May
Tyera Eulberg
ivandzen
Christian Kamm
buffalu
Michael Vines
Brooks Prumo
carllin
Jon Cinque
Jason Davis
HaoranYi
Tao Zhu
Alexander Meißner
sakridge
Jeff Washington (jwash)
Lijun Wang
Tyera Eulberg