113 lines
3.1 KiB
Rust
113 lines
3.1 KiB
Rust
use crate::bank::Bank;
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use solana_sdk::transaction::{Result, Transaction};
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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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transactions: &'b [Transaction],
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pub(crate) 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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transactions: &'b [Transaction],
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) -> Self {
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assert_eq!(lock_results.len(), transactions.len());
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Self {
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lock_results,
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bank,
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transactions,
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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 transactions(&self) -> &[Transaction] {
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self.transactions
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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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}
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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 super::*;
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use crate::genesis_utils::{create_genesis_config_with_leader, GenesisConfigInfo};
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use solana_sdk::{signature::Keypair, system_transaction};
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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_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_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_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);
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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_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);
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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<Transaction>) {
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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(&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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system_transaction::transfer(&mint_keypair, &pubkey, 1, genesis_config.hash()),
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system_transaction::transfer(&keypair2, &pubkey2, 1, genesis_config.hash()),
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];
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(bank, txs)
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}
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}
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