136 lines
4.7 KiB
Rust
136 lines
4.7 KiB
Rust
use crossbeam_channel::{Receiver, RecvTimeoutError};
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use itertools::izip;
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use solana_ledger::{blockstore::Blockstore, blockstore_processor::TransactionStatusBatch};
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use solana_runtime::{
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bank::{Bank, NonceRollbackInfo},
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transaction_utils::OrderedIterator,
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};
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use solana_transaction_status::{InnerInstructions, TransactionStatusMeta};
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use std::{
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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},
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thread::{self, Builder, JoinHandle},
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time::Duration,
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};
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pub struct TransactionStatusService {
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thread_hdl: JoinHandle<()>,
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}
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impl TransactionStatusService {
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#[allow(clippy::new_ret_no_self)]
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pub fn new(
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write_transaction_status_receiver: Receiver<TransactionStatusBatch>,
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blockstore: Arc<Blockstore>,
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exit: &Arc<AtomicBool>,
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) -> Self {
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let exit = exit.clone();
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let thread_hdl = Builder::new()
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.name("solana-transaction-status-writer".to_string())
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.spawn(move || loop {
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if exit.load(Ordering::Relaxed) {
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break;
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}
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if let Err(RecvTimeoutError::Disconnected) = Self::write_transaction_status_batch(
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&write_transaction_status_receiver,
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&blockstore,
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) {
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break;
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}
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})
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.unwrap();
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Self { thread_hdl }
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}
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fn write_transaction_status_batch(
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write_transaction_status_receiver: &Receiver<TransactionStatusBatch>,
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blockstore: &Arc<Blockstore>,
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) -> Result<(), RecvTimeoutError> {
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let TransactionStatusBatch {
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bank,
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transactions,
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iteration_order,
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statuses,
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balances,
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token_balances,
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inner_instructions,
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transaction_logs,
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} = write_transaction_status_receiver.recv_timeout(Duration::from_secs(1))?;
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let slot = bank.slot();
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for (
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(_, transaction),
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(status, nonce_rollback),
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pre_balances,
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post_balances,
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pre_token_balances,
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post_token_balances,
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inner_instructions,
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log_messages,
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) in izip!(
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OrderedIterator::new(&transactions, iteration_order.as_deref()),
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statuses,
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balances.pre_balances,
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balances.post_balances,
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token_balances.pre_token_balances,
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token_balances.post_token_balances,
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inner_instructions,
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transaction_logs
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) {
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if Bank::can_commit(&status) && !transaction.signatures.is_empty() {
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let fee_calculator = nonce_rollback
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.map(|nonce_rollback| nonce_rollback.fee_calculator())
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.unwrap_or_else(|| {
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bank.get_fee_calculator(&transaction.message().recent_blockhash)
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})
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.expect("FeeCalculator must exist");
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let fee = fee_calculator.calculate_fee(transaction.message());
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let (writable_keys, readonly_keys) =
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transaction.message.get_account_keys_by_lock_type();
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let inner_instructions = inner_instructions.map(|inner_instructions| {
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inner_instructions
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.into_iter()
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.enumerate()
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.map(|(index, instructions)| InnerInstructions {
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index: index as u8,
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instructions,
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})
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.filter(|i| !i.instructions.is_empty())
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.collect()
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});
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let log_messages = Some(log_messages);
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let pre_token_balances = Some(pre_token_balances);
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let post_token_balances = Some(post_token_balances);
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blockstore
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.write_transaction_status(
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slot,
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transaction.signatures[0],
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writable_keys,
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readonly_keys,
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&TransactionStatusMeta {
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status,
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fee,
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pre_balances,
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post_balances,
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inner_instructions,
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log_messages,
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pre_token_balances,
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post_token_balances,
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},
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)
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.expect("Expect database write to succeed");
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}
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}
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Ok(())
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}
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pub fn join(self) -> thread::Result<()> {
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self.thread_hdl.join()
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}
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}
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