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Return actual committed transactions from process_transactions() (#22802)

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This commit is contained in:
carllin
2022-02-03 03:56:36 -05:00
committed by GitHub
parent c62f9839a2
commit bd1850df25
5 changed files with 649 additions and 200 deletions
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709
core/src/banking_stage.rs
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10
core/src/qos_service.rs
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@ -124,15 +124,17 @@ impl QosService {
transactions: impl Iterator<Item = &'a SanitizedTransaction>,
transactions_costs: impl Iterator<Item = &'a TransactionCost>,
bank: &Arc<Bank>,
) -> Vec<transaction::Result<()>> {
) -> (Vec<transaction::Result<()>>, usize) {
let mut cost_tracking_time = Measure::start("cost_tracking_time");
let mut cost_tracker = bank.write_cost_tracker().unwrap();
let mut num_included = 0;
let select_results = transactions
.zip(transactions_costs)
.map(|(tx, cost)| match cost_tracker.try_add(tx, cost) {
Ok(current_block_cost) => {
debug!("slot {:?}, transaction {:?}, cost {:?}, fit into current block, current block cost {}", bank.slot(), tx, cost, current_block_cost);
self.metrics.selected_txs_count.fetch_add(1, Ordering::Relaxed);
num_included += 1;
Ok(())
},
Err(e) => {
@ -162,7 +164,7 @@ impl QosService {
self.metrics
.cost_tracking_time
.fetch_add(cost_tracking_time.as_us(), Ordering::Relaxed);
select_results
(select_results, num_included)
}
// metrics are reported by bank slot
@ -542,7 +544,9 @@ mod tests {
bank.write_cost_tracker()
.unwrap()
.set_limits(cost_limit, cost_limit, cost_limit);
let results = qos_service.select_transactions_per_cost(txs.iter(), txs_costs.iter(), &bank);
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());