136 lines
3.7 KiB
Rust
136 lines
3.7 KiB
Rust
use {
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crate::bank::Bank,
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solana_sdk::transaction::{Result, SanitizedTransaction},
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std::borrow::Cow,
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};
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// Represents the results of trying to lock a set of accounts
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pub struct TransactionBatch<'a, 'b> {
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lock_results: Vec<Result<()>>,
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bank: &'a Bank,
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sanitized_txs: Cow<'b, [SanitizedTransaction]>,
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needs_unlock: bool,
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}
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impl<'a, 'b> TransactionBatch<'a, 'b> {
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pub fn new(
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lock_results: Vec<Result<()>>,
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bank: &'a Bank,
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sanitized_txs: Cow<'b, [SanitizedTransaction]>,
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) -> Self {
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assert_eq!(lock_results.len(), sanitized_txs.len());
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Self {
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lock_results,
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bank,
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sanitized_txs,
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needs_unlock: true,
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}
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}
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pub fn lock_results(&self) -> &Vec<Result<()>> {
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&self.lock_results
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}
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pub fn sanitized_transactions(&self) -> &[SanitizedTransaction] {
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&self.sanitized_txs
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}
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pub fn bank(&self) -> &Bank {
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self.bank
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}
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pub fn set_needs_unlock(&mut self, needs_unlock: bool) {
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self.needs_unlock = needs_unlock;
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}
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pub fn needs_unlock(&self) -> bool {
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self.needs_unlock
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}
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}
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// Unlock all locked accounts in destructor.
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impl<'a, 'b> Drop for TransactionBatch<'a, 'b> {
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fn drop(&mut self) {
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self.bank.unlock_accounts(self)
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}
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}
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#[cfg(test)]
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mod tests {
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use {
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super::*,
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crate::genesis_utils::{create_genesis_config_with_leader, GenesisConfigInfo},
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solana_sdk::{signature::Keypair, system_transaction},
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};
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#[test]
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fn test_transaction_batch() {
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let (bank, txs) = setup();
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// Test getting locked accounts
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let batch = bank.prepare_sanitized_batch(&txs);
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// Grab locks
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assert!(batch.lock_results().iter().all(|x| x.is_ok()));
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// Trying to grab locks again should fail
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let batch2 = bank.prepare_sanitized_batch(&txs);
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assert!(batch2.lock_results().iter().all(|x| x.is_err()));
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// Drop the first set of locks
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drop(batch);
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// Now grabbing locks should work again
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let batch2 = bank.prepare_sanitized_batch(&txs);
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assert!(batch2.lock_results().iter().all(|x| x.is_ok()));
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}
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#[test]
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fn test_simulation_batch() {
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let (bank, txs) = setup();
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// Prepare batch without locks
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let batch = bank.prepare_simulation_batch(txs[0].clone());
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assert!(batch.lock_results().iter().all(|x| x.is_ok()));
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// Grab locks
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let batch2 = bank.prepare_sanitized_batch(&txs);
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assert!(batch2.lock_results().iter().all(|x| x.is_ok()));
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// Prepare another batch without locks
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let batch3 = bank.prepare_simulation_batch(txs[0].clone());
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assert!(batch3.lock_results().iter().all(|x| x.is_ok()));
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}
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fn setup() -> (Bank, Vec<SanitizedTransaction>) {
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let dummy_leader_pubkey = solana_sdk::pubkey::new_rand();
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let GenesisConfigInfo {
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genesis_config,
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mint_keypair,
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..
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} = create_genesis_config_with_leader(500, &dummy_leader_pubkey, 100);
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let bank = Bank::new_for_tests(&genesis_config);
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let pubkey = solana_sdk::pubkey::new_rand();
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let keypair2 = Keypair::new();
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let pubkey2 = solana_sdk::pubkey::new_rand();
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let txs = vec![
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SanitizedTransaction::from_transaction_for_tests(system_transaction::transfer(
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&mint_keypair,
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&pubkey,
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1,
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genesis_config.hash(),
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)),
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SanitizedTransaction::from_transaction_for_tests(system_transaction::transfer(
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&keypair2,
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&pubkey2,
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1,
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genesis_config.hash(),
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)),
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];
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(bank, txs)
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}
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}
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