93 lines
2.5 KiB
Rust
93 lines
2.5 KiB
Rust
//! The `tpu` module implements the Transaction Processing Unit, a
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//! multi-stage transaction processing pipeline in software.
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use crate::bank::Bank;
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use crate::banking_stage::{BankingStage, BankingStageReturnType};
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use crate::entry::Entry;
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use crate::fetch_stage::FetchStage;
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use crate::poh_service::Config;
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use crate::service::Service;
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use crate::sigverify_stage::SigVerifyStage;
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use solana_sdk::hash::Hash;
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use solana_sdk::pubkey::Pubkey;
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use std::net::UdpSocket;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::Receiver;
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use std::sync::Arc;
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use std::thread;
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pub enum TpuReturnType {
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LeaderRotation,
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}
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pub struct Tpu {
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fetch_stage: FetchStage,
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sigverify_stage: SigVerifyStage,
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banking_stage: BankingStage,
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exit: Arc<AtomicBool>,
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}
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impl Tpu {
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#[allow(clippy::new_ret_no_self)]
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pub fn new(
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bank: &Arc<Bank>,
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tick_duration: Config,
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transactions_sockets: Vec<UdpSocket>,
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sigverify_disabled: bool,
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max_tick_height: Option<u64>,
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last_entry_id: &Hash,
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leader_id: Pubkey,
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) -> (Self, Receiver<Vec<Entry>>, Arc<AtomicBool>) {
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let exit = Arc::new(AtomicBool::new(false));
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let (fetch_stage, packet_receiver) = FetchStage::new(transactions_sockets, exit.clone());
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let (sigverify_stage, verified_receiver) =
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SigVerifyStage::new(packet_receiver, sigverify_disabled);
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let (banking_stage, entry_receiver) = BankingStage::new(
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&bank,
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verified_receiver,
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tick_duration,
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last_entry_id,
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max_tick_height,
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leader_id,
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);
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let tpu = Self {
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fetch_stage,
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sigverify_stage,
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banking_stage,
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exit: exit.clone(),
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};
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(tpu, entry_receiver, exit)
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}
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pub fn exit(&self) {
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self.exit.store(true, Ordering::Relaxed);
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}
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pub fn is_exited(&self) -> bool {
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self.exit.load(Ordering::Relaxed)
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}
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pub fn close(self) -> thread::Result<Option<TpuReturnType>> {
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self.fetch_stage.close();
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self.join()
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}
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}
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impl Service for Tpu {
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type JoinReturnType = Option<TpuReturnType>;
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fn join(self) -> thread::Result<(Option<TpuReturnType>)> {
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self.fetch_stage.join()?;
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self.sigverify_stage.join()?;
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match self.banking_stage.join()? {
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Some(BankingStageReturnType::LeaderRotation) => Ok(Some(TpuReturnType::LeaderRotation)),
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_ => Ok(None),
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}
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}
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}
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