Get transactions from LockedAccountsResults when possible (#5923)

core/src/banking_stage.rs

@@ -480,7 +480,6 @@ impl BankingStage {
 
     fn process_and_record_transactions_locked(
         bank: &Bank,
-        txs: &[Transaction],
         poh: &Arc<Mutex<PohRecorder>>,
         lock_results: &LockedAccountsResults,
     ) -> (Result<usize>, Vec<usize>) {
@@ -489,8 +488,9 @@ impl BankingStage {
         // the likelihood of any single thread getting starved and processing old ids.
         // TODO: Banking stage threads should be prioritized to complete faster then this queue
         // expires.
+        let txs = lock_results.transactions();
         let (mut loaded_accounts, results, mut retryable_txs, tx_count, signature_count) =
-            bank.load_and_execute_transactions(txs, lock_results, MAX_PROCESSING_AGE);
+            bank.load_and_execute_transactions(lock_results, MAX_PROCESSING_AGE);
         load_execute_time.stop();
 
         let freeze_lock = bank.freeze_lock();
@@ -547,7 +547,7 @@ impl BankingStage {
         lock_time.stop();
 
         let (result, mut retryable_txs) =
-            Self::process_and_record_transactions_locked(bank, txs, poh, &lock_results);
+            Self::process_and_record_transactions_locked(bank, poh, &lock_results);
         retryable_txs.iter_mut().for_each(|x| *x += chunk_offset);
 
         let mut unlock_time = Measure::start("unlock_time");

core/src/blocktree_processor.rs

@@ -43,23 +43,22 @@ fn par_execute_entries(bank: &Bank, entries: &[(&Entry, LockedAccountsResults)])
         thread_pool.borrow().install(|| {
             entries
                 .into_par_iter()
-                .map(|(e, locked_accounts)| {
+                .map(|(entry, locked_accounts)| {
                     let results = bank.load_execute_and_commit_transactions(
-                        &e.transactions,
                         locked_accounts,
                         MAX_RECENT_BLOCKHASHES,
                     );
                     let mut first_err = None;
-                    for (r, tx) in results.iter().zip(e.transactions.iter()) {
-                        if let Err(ref e) = r {
+                    for (r, tx) in results.iter().zip(entry.transactions.iter()) {
+                        if let Err(ref entry) = r {
                             if first_err.is_none() {
                                 first_err = Some(r.clone());
                             }
                             if !Bank::can_commit(&r) {
-                                warn!("Unexpected validator error: {:?}, tx: {:?}", e, tx);
+                                warn!("Unexpected validator error: {:?}, tx: {:?}", entry, tx);
                                 datapoint_error!(
                                     "validator_process_entry_error",
-                                    ("error", format!("error: {:?}, tx: {:?}", e, tx), String)
+                                    ("error", format!("error: {:?}, tx: {:?}", entry, tx), String)
                                 );
                             }
                         }

runtime/src/bank.rs

@@ -975,7 +975,6 @@ impl Bank {
     #[allow(clippy::type_complexity)]
     pub fn load_and_execute_transactions(
         &self,
-        txs: &[Transaction],
         lock_results: &LockedAccountsResults,
         max_age: usize,
     ) -> (
@@ -985,6 +984,7 @@ impl Bank {
         usize,
         usize,
     ) {
+        let txs = lock_results.transactions();
         debug!("processing transactions: {}", txs.len());
         inc_new_counter_info!("bank-process_transactions", txs.len());
         let mut error_counters = ErrorCounters::default();
@@ -1161,15 +1161,14 @@ impl Bank {
     #[must_use]
     pub fn load_execute_and_commit_transactions(
         &self,
-        txs: &[Transaction],
         lock_results: &LockedAccountsResults,
         max_age: usize,
     ) -> Vec<Result<()>> {
         let (mut loaded_accounts, executed, _, tx_count, signature_count) =
-            self.load_and_execute_transactions(txs, lock_results, max_age);
+            self.load_and_execute_transactions(lock_results, max_age);
 
         self.commit_transactions(
-            txs,
+            lock_results.transactions(),
             lock_results.txs_iteration_order(),
             &mut loaded_accounts,
             &executed,
@@ -1181,7 +1180,7 @@ impl Bank {
     #[must_use]
     pub fn process_transactions(&self, txs: &[Transaction]) -> Vec<Result<()>> {
         let lock_results = self.lock_accounts(txs, None);
-        self.load_execute_and_commit_transactions(txs, &lock_results, MAX_RECENT_BLOCKHASHES)
+        self.load_execute_and_commit_transactions(&lock_results, MAX_RECENT_BLOCKHASHES)
     }
 
     /// Create, sign, and process a Transaction from `keypair` to `to` of
@@ -2128,11 +2127,8 @@ mod tests {
         let pay_alice = vec![tx1];
 
         let lock_result = bank.lock_accounts(&pay_alice, None);
-        let results_alice = bank.load_execute_and_commit_transactions(
-            &pay_alice,
-            &lock_result,
-            MAX_RECENT_BLOCKHASHES,
-        );
+        let results_alice =
+            bank.load_execute_and_commit_transactions(&lock_result, MAX_RECENT_BLOCKHASHES);
         assert_eq!(results_alice[0], Ok(()));
 
         // try executing an interleaved transfer twice

runtime/src/locked_accounts_results.rs

@@ -17,6 +17,10 @@ impl<'a, 'b> LockedAccountsResults<'a, 'b> {
         transactions: &'b [Transaction],
         txs_iteration_order: Option<Vec<usize>>,
     ) -> Self {
+        assert_eq!(locked_accounts_results.len(), transactions.len());
+        if let Some(txs_iteration_order) = &txs_iteration_order {
+            assert_eq!(transactions.len(), txs_iteration_order.len());
+        }
         Self {
             locked_accounts_results,
             bank,