104 lines
2.8 KiB
Rust
104 lines
2.8 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 LockedAccountsResults<'a, 'b> {
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locked_accounts_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> LockedAccountsResults<'a, 'b> {
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pub fn new(
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locked_accounts_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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Self {
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locked_accounts_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 locked_accounts_results(&self) -> &Vec<Result<()>> {
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&self.locked_accounts_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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}
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// Unlock all locked accounts in destructor.
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impl<'a, 'b> Drop for LockedAccountsResults<'a, 'b> {
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fn drop(&mut self) {
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if self.needs_unlock {
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self.bank.unlock_accounts(self)
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}
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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_block_with_leader, GenesisBlockInfo};
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use solana_sdk::pubkey::Pubkey;
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use solana_sdk::signature::{Keypair, KeypairUtil};
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use solana_sdk::system_transaction;
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#[test]
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fn test_account_locks() {
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let (bank, txs) = setup();
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// Test getting locked accounts
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let lock_results = bank.lock_accounts(&txs);
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// Grab locks
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assert!(lock_results
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.locked_accounts_results()
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.iter()
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.all(|x| x.is_ok()));
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// Trying to grab locks again should fail
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let lock_results2 = bank.lock_accounts(&txs);
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assert!(lock_results2
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.locked_accounts_results()
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.iter()
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.all(|x| x.is_err()));
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// Drop the first set of locks
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drop(lock_results);
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// Now grabbing locks should work again
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let lock_results2 = bank.lock_accounts(&txs);
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assert!(lock_results2
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.locked_accounts_results()
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.iter()
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.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 = Pubkey::new_rand();
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let GenesisBlockInfo {
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genesis_block,
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mint_keypair,
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..
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} = create_genesis_block_with_leader(500, &dummy_leader_pubkey, 100);
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let bank = Bank::new(&genesis_block);
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let pubkey = Pubkey::new_rand();
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let keypair2 = Keypair::new();
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let pubkey2 = Pubkey::new_rand();
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let txs = vec![
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system_transaction::transfer(&mint_keypair, &pubkey, 1, genesis_block.hash()),
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system_transaction::transfer(&keypair2, &pubkey2, 1, genesis_block.hash()),
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];
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(bank, txs)
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}
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}
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