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use crate::bank::Bank;
use solana_sdk::transaction::{Result, Transaction};
pub struct LockedAccountsResults<'a, 'b> {
locked_accounts_results: Vec<Result<()>>,
bank: &'a Bank,
transactions: &'b [Transaction],
pub(crate) needs_unlock: bool,
}
impl<'a, 'b> LockedAccountsResults<'a, 'b> {
pub fn new(
locked_accounts_results: Vec<Result<()>>,
bank: &'a Bank,
transactions: &'b [Transaction],
) -> Self {
Self {
locked_accounts_results,
bank,
transactions,
needs_unlock: true,
}
}
pub fn locked_accounts_results(&self) -> &Vec<Result<()>> {
&self.locked_accounts_results
}
pub fn transactions(&self) -> &[Transaction] {
self.transactions
}
}
impl<'a, 'b> Drop for LockedAccountsResults<'a, 'b> {
fn drop(&mut self) {
if self.needs_unlock {
self.bank.unlock_accounts(self)
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::genesis_utils::{create_genesis_block_with_leader, GenesisBlockInfo};
use solana_sdk::pubkey::Pubkey;
use solana_sdk::signature::{Keypair, KeypairUtil};
use solana_sdk::system_transaction;
#[test]
fn test_account_locks() {
let (bank, txs) = setup();
let lock_results = bank.lock_accounts(&txs);
assert!(lock_results
.locked_accounts_results()
.iter()
.all(|x| x.is_ok()));
let lock_results2 = bank.lock_accounts(&txs);
assert!(lock_results2
.locked_accounts_results()
.iter()
.all(|x| x.is_err()));
drop(lock_results);
let lock_results2 = bank.lock_accounts(&txs);
assert!(lock_results2
.locked_accounts_results()
.iter()
.all(|x| x.is_ok()));
}
fn setup() -> (Bank, Vec<Transaction>) {
let dummy_leader_pubkey = Pubkey::new_rand();
let GenesisBlockInfo {
genesis_block,
mint_keypair,
..
} = create_genesis_block_with_leader(500, &dummy_leader_pubkey, 100);
let bank = Bank::new(&genesis_block);
let pubkey = Pubkey::new_rand();
let keypair2 = Keypair::new();
let pubkey2 = Pubkey::new_rand();
let txs = vec![
system_transaction::transfer(&mint_keypair, &pubkey, 1, genesis_block.hash()),
system_transaction::transfer(&keypair2, &pubkey2, 1, genesis_block.hash()),
];
(bank, txs)
}
}