818 lines
31 KiB
Rust
818 lines
31 KiB
Rust
//! Quality of service for block producer.
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//! Provides logic and functions to allow a Leader to prioritize
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//! how transactions are included in blocks, and optimize those blocks.
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//!
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use {
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crate::banking_stage::{BatchedTransactionDetails, CommitTransactionDetails},
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crossbeam_channel::{unbounded, Receiver, Sender},
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solana_measure::measure::Measure,
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solana_runtime::{
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bank::Bank,
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cost_model::{CostModel, TransactionCost},
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cost_tracker::CostTrackerError,
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},
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solana_sdk::{
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clock::Slot,
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transaction::{self, SanitizedTransaction, TransactionError},
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},
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std::{
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sync::{
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atomic::{AtomicBool, AtomicU64, Ordering},
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Arc, RwLock,
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},
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thread::{self, Builder, JoinHandle},
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time::Duration,
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},
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};
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pub enum QosMetrics {
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BlockBatchUpdate { bank: Arc<Bank> },
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}
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// QosService is local to each banking thread, each instance of QosService provides services to
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// one banking thread.
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// It hosts a private thread for async metrics reporting, tagged with banking thredas ID. Banking
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// threda calls `report_metrics(&bank)` at end of `process_and_record_tramsaction()`, or any time
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// it wants, QosService sends `&bank` to reporting thread via channel, signalling stats to be
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// reported if new bank slot has changed.
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//
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pub struct QosService {
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// cost_model instance is owned by validator, shared between replay_stage and
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// banking_stage. replay_stage writes the latest on-chain program timings to
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// it; banking_stage's qos_service reads that information to calculate
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// transaction cost, hence RwLock wrapped.
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cost_model: Arc<RwLock<CostModel>>,
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// QosService hosts metrics object and a private reporting thread, as well as sender to
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// communicate with thread.
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report_sender: Sender<QosMetrics>,
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metrics: Arc<QosServiceMetrics>,
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// metrics reporting runs on a private thread
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reporting_thread: Option<JoinHandle<()>>,
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running_flag: Arc<AtomicBool>,
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}
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impl Drop for QosService {
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fn drop(&mut self) {
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self.running_flag.store(false, Ordering::Relaxed);
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self.reporting_thread
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.take()
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.unwrap()
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.join()
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.expect("qos service metrics reporting thread failed to join");
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}
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}
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impl QosService {
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pub fn new(cost_model: Arc<RwLock<CostModel>>, id: u32) -> Self {
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let (report_sender, report_receiver) = unbounded();
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let running_flag = Arc::new(AtomicBool::new(true));
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let metrics = Arc::new(QosServiceMetrics::new(id));
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let running_flag_clone = Arc::clone(&running_flag);
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let metrics_clone = Arc::clone(&metrics);
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let reporting_thread = Some(
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Builder::new()
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.name("solQosSvcMetr".to_string())
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.spawn(move || {
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Self::reporting_loop(running_flag_clone, metrics_clone, report_receiver);
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})
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.unwrap(),
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);
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Self {
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cost_model,
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metrics,
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reporting_thread,
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running_flag,
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report_sender,
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}
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}
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// invoke cost_model to calculate cost for the given list of transactions
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pub fn compute_transaction_costs<'a>(
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&self,
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transactions: impl Iterator<Item = &'a SanitizedTransaction>,
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) -> Vec<TransactionCost> {
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let mut compute_cost_time = Measure::start("compute_cost_time");
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let cost_model = self.cost_model.read().unwrap();
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let txs_costs: Vec<_> = transactions
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.map(|tx| {
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let cost = cost_model.calculate_cost(tx);
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debug!(
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"transaction {:?}, cost {:?}, cost sum {}",
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tx,
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cost,
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cost.sum()
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);
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cost
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})
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.collect();
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compute_cost_time.stop();
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self.metrics
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.stats
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.compute_cost_time
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.fetch_add(compute_cost_time.as_us(), Ordering::Relaxed);
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self.metrics
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.stats
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.compute_cost_count
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.fetch_add(txs_costs.len() as u64, Ordering::Relaxed);
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txs_costs
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}
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/// Given a list of transactions and their costs, this function returns a corresponding
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/// list of Results that indicate if a transaction is selected to be included in the current block,
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/// and a count of the number of transactions that would fit in the block
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pub fn select_transactions_per_cost<'a>(
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&self,
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transactions: impl Iterator<Item = &'a SanitizedTransaction>,
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transactions_costs: impl Iterator<Item = &'a TransactionCost>,
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bank: &Arc<Bank>,
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) -> (Vec<transaction::Result<()>>, usize) {
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let mut cost_tracking_time = Measure::start("cost_tracking_time");
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let mut cost_tracker = bank.write_cost_tracker().unwrap();
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let mut num_included = 0;
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let select_results = transactions
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.zip(transactions_costs)
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.map(|(tx, cost)| match cost_tracker.try_add(cost) {
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Ok(current_block_cost) => {
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debug!("slot {:?}, transaction {:?}, cost {:?}, fit into current block, current block cost {}", bank.slot(), tx, cost, current_block_cost);
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self.metrics.stats.selected_txs_count.fetch_add(1, Ordering::Relaxed);
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num_included += 1;
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Ok(())
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},
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Err(e) => {
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debug!("slot {:?}, transaction {:?}, cost {:?}, not fit into current block, '{:?}'", bank.slot(), tx, cost, e);
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match e {
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CostTrackerError::WouldExceedBlockMaxLimit => {
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Err(TransactionError::WouldExceedMaxBlockCostLimit)
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}
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CostTrackerError::WouldExceedVoteMaxLimit => {
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Err(TransactionError::WouldExceedMaxVoteCostLimit)
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}
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CostTrackerError::WouldExceedAccountMaxLimit => {
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Err(TransactionError::WouldExceedMaxAccountCostLimit)
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}
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CostTrackerError::WouldExceedAccountDataBlockLimit => {
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Err(TransactionError::WouldExceedAccountDataBlockLimit)
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}
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CostTrackerError::WouldExceedAccountDataTotalLimit => {
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Err(TransactionError::WouldExceedAccountDataTotalLimit)
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}
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}
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}
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})
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.collect();
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cost_tracking_time.stop();
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self.metrics
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.stats
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.cost_tracking_time
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.fetch_add(cost_tracking_time.as_us(), Ordering::Relaxed);
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(select_results, num_included)
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}
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/// Update the transaction cost in the cost_tracker with the real cost for
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/// transactions that were executed successfully;
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/// Otherwise remove the cost from the cost tracker, therefore preventing cost_tracker
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/// being inflated with unsuccessfully executed transactions.
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pub fn update_or_remove_transaction_costs<'a>(
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transaction_costs: impl Iterator<Item = &'a TransactionCost>,
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transaction_qos_results: impl Iterator<Item = &'a transaction::Result<()>>,
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transaction_committed_status: Option<&Vec<CommitTransactionDetails>>,
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bank: &Arc<Bank>,
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) {
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match transaction_committed_status {
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Some(transaction_committed_status) => Self::update_transaction_costs(
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transaction_costs,
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transaction_qos_results,
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transaction_committed_status,
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bank,
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),
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None => {
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Self::remove_transaction_costs(transaction_costs, transaction_qos_results, bank)
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}
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}
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}
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fn update_transaction_costs<'a>(
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transaction_costs: impl Iterator<Item = &'a TransactionCost>,
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transaction_qos_results: impl Iterator<Item = &'a transaction::Result<()>>,
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transaction_committed_status: &Vec<CommitTransactionDetails>,
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bank: &Arc<Bank>,
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) {
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let mut cost_tracker = bank.write_cost_tracker().unwrap();
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transaction_costs
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.zip(transaction_qos_results)
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.zip(transaction_committed_status)
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.for_each(
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|((tx_cost, qos_inclusion_result), transaction_committed_details)| {
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// Only transactions that the qos service included have to be
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// checked for update
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if qos_inclusion_result.is_ok() {
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match transaction_committed_details {
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CommitTransactionDetails::Committed { compute_units } => {
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cost_tracker.update_execution_cost(tx_cost, *compute_units)
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}
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CommitTransactionDetails::NotCommitted => cost_tracker.remove(tx_cost),
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}
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}
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},
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);
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}
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fn remove_transaction_costs<'a>(
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transaction_costs: impl Iterator<Item = &'a TransactionCost>,
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transaction_qos_results: impl Iterator<Item = &'a transaction::Result<()>>,
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bank: &Arc<Bank>,
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) {
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let mut cost_tracker = bank.write_cost_tracker().unwrap();
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transaction_costs.zip(transaction_qos_results).for_each(
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|(tx_cost, qos_inclusion_result)| {
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// Only transactions that the qos service included have to be
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// removed
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if qos_inclusion_result.is_ok() {
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cost_tracker.remove(tx_cost);
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}
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},
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);
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}
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// metrics are reported by bank slot
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pub fn report_metrics(&self, bank: Arc<Bank>) {
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self.report_sender
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.send(QosMetrics::BlockBatchUpdate { bank })
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.unwrap_or_else(|err| warn!("qos service report metrics failed: {:?}", err));
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}
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pub fn accumulate_estimated_transaction_costs(
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&self,
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batched_transaction_details: &BatchedTransactionDetails,
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) {
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self.metrics.stats.estimated_signature_cu.fetch_add(
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batched_transaction_details.costs.batched_signature_cost,
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Ordering::Relaxed,
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);
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self.metrics.stats.estimated_write_lock_cu.fetch_add(
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batched_transaction_details.costs.batched_write_lock_cost,
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Ordering::Relaxed,
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);
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self.metrics.stats.estimated_data_bytes_cu.fetch_add(
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batched_transaction_details.costs.batched_data_bytes_cost,
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Ordering::Relaxed,
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);
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self.metrics.stats.estimated_builtins_execute_cu.fetch_add(
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batched_transaction_details
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.costs
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.batched_builtins_execute_cost,
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Ordering::Relaxed,
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);
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self.metrics.stats.estimated_bpf_execute_cu.fetch_add(
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batched_transaction_details.costs.batched_bpf_execute_cost,
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Ordering::Relaxed,
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);
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self.metrics
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.errors
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.retried_txs_per_block_limit_count
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.fetch_add(
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batched_transaction_details
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.errors
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.batched_retried_txs_per_block_limit_count,
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Ordering::Relaxed,
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);
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self.metrics
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.errors
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.retried_txs_per_vote_limit_count
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.fetch_add(
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batched_transaction_details
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.errors
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.batched_retried_txs_per_vote_limit_count,
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Ordering::Relaxed,
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);
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self.metrics
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.errors
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.retried_txs_per_account_limit_count
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.fetch_add(
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batched_transaction_details
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.errors
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.batched_retried_txs_per_account_limit_count,
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Ordering::Relaxed,
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);
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self.metrics
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.errors
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.retried_txs_per_account_data_block_limit_count
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.fetch_add(
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batched_transaction_details
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.errors
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.batched_retried_txs_per_account_data_block_limit_count,
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Ordering::Relaxed,
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);
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self.metrics
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.errors
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.dropped_txs_per_account_data_total_limit_count
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.fetch_add(
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batched_transaction_details
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.errors
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.batched_dropped_txs_per_account_data_total_limit_count,
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Ordering::Relaxed,
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);
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}
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pub fn accumulate_actual_execute_cu(&self, units: u64) {
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self.metrics
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.stats
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.actual_bpf_execute_cu
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.fetch_add(units, Ordering::Relaxed);
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}
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pub fn accumulate_actual_execute_time(&self, micro_sec: u64) {
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self.metrics
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.stats
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.actual_execute_time_us
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.fetch_add(micro_sec, Ordering::Relaxed);
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}
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fn reporting_loop(
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running_flag: Arc<AtomicBool>,
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metrics: Arc<QosServiceMetrics>,
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report_receiver: Receiver<QosMetrics>,
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) {
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while running_flag.load(Ordering::Relaxed) {
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for qos_metrics in report_receiver.try_iter() {
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match qos_metrics {
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QosMetrics::BlockBatchUpdate { bank } => {
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metrics.report(bank.slot());
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}
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}
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}
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thread::sleep(Duration::from_millis(100));
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}
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}
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}
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#[derive(Debug, Default)]
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struct QosServiceMetrics {
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/// banking_stage creates one QosService instance per working threads, that is uniquely
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/// identified by id. This field allows to categorize metrics for gossip votes, TPU votes
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/// and other transactions.
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id: u32,
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/// aggregate metrics per slot
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slot: AtomicU64,
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stats: QosServiceMetricsStats,
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errors: QosServiceMetricsErrors,
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}
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#[derive(Debug, Default)]
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struct QosServiceMetricsStats {
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/// accumulated time in micro-sec spent in computing transaction cost. It is the main performance
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/// overhead introduced by cost_model
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compute_cost_time: AtomicU64,
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/// total nummber of transactions in the reporting period to be computed for theit cost. It is
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/// usually the number of sanitized transactions leader receives.
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compute_cost_count: AtomicU64,
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/// acumulated time in micro-sec spent in tracking each bank's cost. It is the second part of
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/// overhead introduced
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cost_tracking_time: AtomicU64,
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/// number of transactions to be included in blocks
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selected_txs_count: AtomicU64,
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/// accumulated estimated signature Compute Unites to be packed into block
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estimated_signature_cu: AtomicU64,
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/// accumulated estimated write locks Compute Units to be packed into block
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estimated_write_lock_cu: AtomicU64,
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/// accumulated estimated instructino data Compute Units to be packed into block
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estimated_data_bytes_cu: AtomicU64,
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/// accumulated estimated builtin programs Compute Units to be packed into block
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estimated_builtins_execute_cu: AtomicU64,
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/// accumulated estimated BPF program Compute Units to be packed into block
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estimated_bpf_execute_cu: AtomicU64,
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/// accumulated actual program Compute Units that have been packed into block
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actual_bpf_execute_cu: AtomicU64,
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/// accumulated actual program execute micro-sec that have been packed into block
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actual_execute_time_us: AtomicU64,
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}
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#[derive(Debug, Default)]
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struct QosServiceMetricsErrors {
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/// number of transactions to be queued for retry due to their potential to breach block limit
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retried_txs_per_block_limit_count: AtomicU64,
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/// number of transactions to be queued for retry due to their potential to breach vote limit
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retried_txs_per_vote_limit_count: AtomicU64,
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/// number of transactions to be queued for retry due to their potential to breach writable
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/// account limit
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retried_txs_per_account_limit_count: AtomicU64,
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/// number of transactions to be queued for retry due to their potential to breach account data
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/// block limits
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retried_txs_per_account_data_block_limit_count: AtomicU64,
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/// number of transactions to be dropped due to their potential to breach account data total
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/// limits
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dropped_txs_per_account_data_total_limit_count: AtomicU64,
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}
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impl QosServiceMetrics {
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pub fn new(id: u32) -> Self {
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QosServiceMetrics {
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id,
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..QosServiceMetrics::default()
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}
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}
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pub fn report(&self, bank_slot: Slot) {
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if bank_slot != self.slot.load(Ordering::Relaxed) {
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datapoint_info!(
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"qos-service-stats",
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("id", self.id as i64, i64),
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("bank_slot", bank_slot as i64, i64),
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(
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"compute_cost_time",
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self.stats.compute_cost_time.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"compute_cost_count",
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self.stats.compute_cost_count.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"cost_tracking_time",
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self.stats.cost_tracking_time.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"selected_txs_count",
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self.stats.selected_txs_count.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"estimated_signature_cu",
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self.stats.estimated_signature_cu.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"estimated_write_lock_cu",
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self.stats
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.estimated_write_lock_cu
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.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"estimated_data_bytes_cu",
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self.stats
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.estimated_data_bytes_cu
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.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"estimated_builtins_execute_cu",
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self.stats
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.estimated_builtins_execute_cu
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.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"estimated_bpf_execute_cu",
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self.stats
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.estimated_bpf_execute_cu
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.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"actual_bpf_execute_cu",
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self.stats.actual_bpf_execute_cu.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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(
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"actual_execute_time_us",
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self.stats.actual_execute_time_us.swap(0, Ordering::Relaxed) as i64,
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i64
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),
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);
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datapoint_info!(
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"qos-service-errors",
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("id", self.id as i64, i64),
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("bank_slot", bank_slot as i64, i64),
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|
(
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"retried_txs_per_block_limit_count",
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self.errors
|
|
.retried_txs_per_block_limit_count
|
|
.swap(0, Ordering::Relaxed) as i64,
|
|
i64
|
|
),
|
|
(
|
|
"retried_txs_per_vote_limit_count",
|
|
self.errors
|
|
.retried_txs_per_vote_limit_count
|
|
.swap(0, Ordering::Relaxed) as i64,
|
|
i64
|
|
),
|
|
(
|
|
"retried_txs_per_account_limit_count",
|
|
self.errors
|
|
.retried_txs_per_account_limit_count
|
|
.swap(0, Ordering::Relaxed) as i64,
|
|
i64
|
|
),
|
|
(
|
|
"retried_txs_per_account_data_block_limit_count",
|
|
self.errors
|
|
.retried_txs_per_account_data_block_limit_count
|
|
.swap(0, Ordering::Relaxed) as i64,
|
|
i64
|
|
),
|
|
(
|
|
"dropped_txs_per_account_data_total_limit_count",
|
|
self.errors
|
|
.dropped_txs_per_account_data_total_limit_count
|
|
.swap(0, Ordering::Relaxed) as i64,
|
|
i64
|
|
),
|
|
);
|
|
self.slot.store(bank_slot, Ordering::Relaxed);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use {
|
|
super::*,
|
|
itertools::Itertools,
|
|
solana_runtime::genesis_utils::{create_genesis_config, GenesisConfigInfo},
|
|
solana_sdk::{
|
|
hash::Hash,
|
|
signature::{Keypair, Signer},
|
|
system_transaction,
|
|
},
|
|
solana_vote_program::vote_transaction,
|
|
};
|
|
|
|
#[test]
|
|
fn test_compute_transaction_costs() {
|
|
solana_logger::setup();
|
|
|
|
// make a vec of txs
|
|
let keypair = Keypair::new();
|
|
let transfer_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
system_transaction::transfer(&keypair, &keypair.pubkey(), 1, Hash::default()),
|
|
);
|
|
let vote_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
vote_transaction::new_vote_transaction(
|
|
vec![42],
|
|
Hash::default(),
|
|
Hash::default(),
|
|
&keypair,
|
|
&keypair,
|
|
&keypair,
|
|
None,
|
|
),
|
|
);
|
|
let txs = vec![transfer_tx.clone(), vote_tx.clone(), vote_tx, transfer_tx];
|
|
|
|
let cost_model = Arc::new(RwLock::new(CostModel::default()));
|
|
let qos_service = QosService::new(cost_model.clone(), 1);
|
|
let txs_costs = qos_service.compute_transaction_costs(txs.iter());
|
|
|
|
// verify the size of txs_costs and its contents
|
|
assert_eq!(txs_costs.len(), txs.len());
|
|
txs_costs
|
|
.iter()
|
|
.enumerate()
|
|
.map(|(index, cost)| {
|
|
assert_eq!(
|
|
cost.sum(),
|
|
cost_model.read().unwrap().calculate_cost(&txs[index]).sum()
|
|
);
|
|
})
|
|
.collect_vec();
|
|
}
|
|
|
|
#[test]
|
|
fn test_select_transactions_per_cost() {
|
|
solana_logger::setup();
|
|
let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(10);
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
let cost_model = Arc::new(RwLock::new(CostModel::default()));
|
|
|
|
let keypair = Keypair::new();
|
|
let transfer_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
system_transaction::transfer(&keypair, &keypair.pubkey(), 1, Hash::default()),
|
|
);
|
|
let vote_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
vote_transaction::new_vote_transaction(
|
|
vec![42],
|
|
Hash::default(),
|
|
Hash::default(),
|
|
&keypair,
|
|
&keypair,
|
|
&keypair,
|
|
None,
|
|
),
|
|
);
|
|
let transfer_tx_cost = cost_model
|
|
.read()
|
|
.unwrap()
|
|
.calculate_cost(&transfer_tx)
|
|
.sum();
|
|
let vote_tx_cost = cost_model.read().unwrap().calculate_cost(&vote_tx).sum();
|
|
|
|
// make a vec of txs
|
|
let txs = vec![transfer_tx.clone(), vote_tx.clone(), transfer_tx, vote_tx];
|
|
|
|
let qos_service = QosService::new(cost_model, 1);
|
|
let txs_costs = qos_service.compute_transaction_costs(txs.iter());
|
|
|
|
// set cost tracker limit to fit 1 transfer tx and 1 vote tx
|
|
let cost_limit = transfer_tx_cost + vote_tx_cost;
|
|
bank.write_cost_tracker()
|
|
.unwrap()
|
|
.set_limits(cost_limit, cost_limit, cost_limit);
|
|
let (results, num_selected) =
|
|
qos_service.select_transactions_per_cost(txs.iter(), txs_costs.iter(), &bank);
|
|
assert_eq!(num_selected, 2);
|
|
|
|
// verify that first transfer tx and first vote are allowed
|
|
assert_eq!(results.len(), txs.len());
|
|
assert!(results[0].is_ok());
|
|
assert!(results[1].is_ok());
|
|
assert!(results[2].is_err());
|
|
assert!(results[3].is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn test_update_or_remove_transaction_costs_commited() {
|
|
solana_logger::setup();
|
|
let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(10);
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
// make some transfer transactions
|
|
// calculate their costs, apply to cost_tracker
|
|
let transaction_count = 5;
|
|
let keypair = Keypair::new();
|
|
let transfer_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
system_transaction::transfer(&keypair, &keypair.pubkey(), 1, Hash::default()),
|
|
);
|
|
let txs: Vec<SanitizedTransaction> = (0..transaction_count)
|
|
.map(|_| transfer_tx.clone())
|
|
.collect();
|
|
let execute_units_adjustment = 10u64;
|
|
|
|
// assert all tx_costs should be applied to cost_tracker if all execution_results are all committed
|
|
{
|
|
let qos_service = QosService::new(Arc::new(RwLock::new(CostModel::default())), 1);
|
|
let txs_costs = qos_service.compute_transaction_costs(txs.iter());
|
|
let total_txs_cost: u64 = txs_costs.iter().map(|cost| cost.sum()).sum();
|
|
let (qos_results, _num_included) =
|
|
qos_service.select_transactions_per_cost(txs.iter(), txs_costs.iter(), &bank);
|
|
assert_eq!(
|
|
total_txs_cost,
|
|
bank.read_cost_tracker().unwrap().block_cost()
|
|
);
|
|
// all transactions are committed with actual units more than estimated
|
|
let commited_status: Vec<CommitTransactionDetails> = txs_costs
|
|
.iter()
|
|
.map(|tx_cost| CommitTransactionDetails::Committed {
|
|
compute_units: tx_cost.bpf_execution_cost + execute_units_adjustment,
|
|
})
|
|
.collect();
|
|
let final_txs_cost = total_txs_cost + execute_units_adjustment * transaction_count;
|
|
QosService::update_or_remove_transaction_costs(
|
|
txs_costs.iter(),
|
|
qos_results.iter(),
|
|
Some(&commited_status),
|
|
&bank,
|
|
);
|
|
assert_eq!(
|
|
final_txs_cost,
|
|
bank.read_cost_tracker().unwrap().block_cost()
|
|
);
|
|
assert_eq!(
|
|
transaction_count,
|
|
bank.read_cost_tracker().unwrap().transaction_count()
|
|
);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_update_or_remove_transaction_costs_not_commited() {
|
|
solana_logger::setup();
|
|
let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(10);
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
// make some transfer transactions
|
|
// calculate their costs, apply to cost_tracker
|
|
let transaction_count = 5;
|
|
let keypair = Keypair::new();
|
|
let transfer_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
system_transaction::transfer(&keypair, &keypair.pubkey(), 1, Hash::default()),
|
|
);
|
|
let txs: Vec<SanitizedTransaction> = (0..transaction_count)
|
|
.map(|_| transfer_tx.clone())
|
|
.collect();
|
|
|
|
// assert all tx_costs should be removed from cost_tracker if all execution_results are all Not Committed
|
|
{
|
|
let qos_service = QosService::new(Arc::new(RwLock::new(CostModel::default())), 1);
|
|
let txs_costs = qos_service.compute_transaction_costs(txs.iter());
|
|
let total_txs_cost: u64 = txs_costs.iter().map(|cost| cost.sum()).sum();
|
|
let (qos_results, _num_included) =
|
|
qos_service.select_transactions_per_cost(txs.iter(), txs_costs.iter(), &bank);
|
|
assert_eq!(
|
|
total_txs_cost,
|
|
bank.read_cost_tracker().unwrap().block_cost()
|
|
);
|
|
QosService::update_or_remove_transaction_costs(
|
|
txs_costs.iter(),
|
|
qos_results.iter(),
|
|
None,
|
|
&bank,
|
|
);
|
|
assert_eq!(0, bank.read_cost_tracker().unwrap().block_cost());
|
|
assert_eq!(0, bank.read_cost_tracker().unwrap().transaction_count());
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_update_or_remove_transaction_costs_mixed_execution() {
|
|
solana_logger::setup();
|
|
let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(10);
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
// make some transfer transactions
|
|
// calculate their costs, apply to cost_tracker
|
|
let transaction_count = 5;
|
|
let keypair = Keypair::new();
|
|
let transfer_tx = SanitizedTransaction::from_transaction_for_tests(
|
|
system_transaction::transfer(&keypair, &keypair.pubkey(), 1, Hash::default()),
|
|
);
|
|
let txs: Vec<SanitizedTransaction> = (0..transaction_count)
|
|
.map(|_| transfer_tx.clone())
|
|
.collect();
|
|
let execute_units_adjustment = 10u64;
|
|
|
|
// assert only commited tx_costs are applied cost_tracker
|
|
{
|
|
let qos_service = QosService::new(Arc::new(RwLock::new(CostModel::default())), 1);
|
|
let txs_costs = qos_service.compute_transaction_costs(txs.iter());
|
|
let total_txs_cost: u64 = txs_costs.iter().map(|cost| cost.sum()).sum();
|
|
let (qos_results, _num_included) =
|
|
qos_service.select_transactions_per_cost(txs.iter(), txs_costs.iter(), &bank);
|
|
assert_eq!(
|
|
total_txs_cost,
|
|
bank.read_cost_tracker().unwrap().block_cost()
|
|
);
|
|
// Half of transactions are not committed, the rest with cost adjustment
|
|
let commited_status: Vec<CommitTransactionDetails> = txs_costs
|
|
.iter()
|
|
.enumerate()
|
|
.map(|(n, tx_cost)| {
|
|
if n % 2 == 0 {
|
|
CommitTransactionDetails::NotCommitted
|
|
} else {
|
|
CommitTransactionDetails::Committed {
|
|
compute_units: tx_cost.bpf_execution_cost + execute_units_adjustment,
|
|
}
|
|
}
|
|
})
|
|
.collect();
|
|
QosService::update_or_remove_transaction_costs(
|
|
txs_costs.iter(),
|
|
qos_results.iter(),
|
|
Some(&commited_status),
|
|
&bank,
|
|
);
|
|
|
|
// assert the final block cost
|
|
let mut expected_final_txs_count = 0u64;
|
|
let mut expected_final_block_cost = 0u64;
|
|
txs_costs.iter().enumerate().for_each(|(n, cost)| {
|
|
if n % 2 != 0 {
|
|
expected_final_txs_count += 1;
|
|
expected_final_block_cost += cost.sum() + execute_units_adjustment;
|
|
}
|
|
});
|
|
assert_eq!(
|
|
expected_final_block_cost,
|
|
bank.read_cost_tracker().unwrap().block_cost()
|
|
);
|
|
assert_eq!(
|
|
expected_final_txs_count,
|
|
bank.read_cost_tracker().unwrap().transaction_count()
|
|
);
|
|
}
|
|
}
|
|
}
|