139 lines
4.8 KiB
Rust
139 lines
4.8 KiB
Rust
//! The `tpu` module implements the Transaction Processing Unit, a
|
|
//! 5-stage transaction processing pipeline in software.
|
|
//!
|
|
//! ```text
|
|
//! .----------------------------------------------------.
|
|
//! | TPU .-------------. |
|
|
//! | | PoH Service | |
|
|
//! | `-------+-----` |
|
|
//! | ^ | |
|
|
//! | | v |
|
|
//! | .-------. .-----------. .-+-------. .-------. |
|
|
//! .---------. | | Fetch | | SigVerify | | Banking | | Write | | .------------.
|
|
//! | Clients |--->| Stage |->| Stage |->| Stage |-->| Stage +--->| Validators |
|
|
//! `---------` | | | | | | | | | | `------------`
|
|
//! | `-------` `-----------` `----+----` `---+---` |
|
|
//! | | | |
|
|
//! | | | |
|
|
//! | | | |
|
|
//! | | | |
|
|
//! `---------------------------------|------------|-----`
|
|
//! | |
|
|
//! v v
|
|
//! .------. .--------.
|
|
//! | Bank | | Ledger |
|
|
//! `------` `--------`
|
|
//! ```
|
|
|
|
use bank::Bank;
|
|
use banking_stage::{BankingStage, BankingStageReturnType};
|
|
use cluster_info::ClusterInfo;
|
|
use entry::Entry;
|
|
use fetch_stage::FetchStage;
|
|
use hash::Hash;
|
|
use leader_vote_stage::LeaderVoteStage;
|
|
use ledger_write_stage::LedgerWriteStage;
|
|
use poh_service::Config;
|
|
use service::Service;
|
|
use signature::Keypair;
|
|
use sigverify_stage::SigVerifyStage;
|
|
use std::net::UdpSocket;
|
|
use std::sync::atomic::{AtomicBool, Ordering};
|
|
use std::sync::mpsc::channel;
|
|
use std::sync::mpsc::Receiver;
|
|
use std::sync::{Arc, RwLock};
|
|
use std::thread;
|
|
|
|
pub enum TpuReturnType {
|
|
LeaderRotation,
|
|
}
|
|
|
|
pub struct Tpu {
|
|
fetch_stage: FetchStage,
|
|
sigverify_stage: SigVerifyStage,
|
|
banking_stage: BankingStage,
|
|
leader_vote_stage: LeaderVoteStage,
|
|
ledger_write_stage: LedgerWriteStage,
|
|
exit: Arc<AtomicBool>,
|
|
}
|
|
|
|
impl Tpu {
|
|
#[cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))]
|
|
pub fn new(
|
|
keypair: Arc<Keypair>,
|
|
bank: &Arc<Bank>,
|
|
cluster_info: &Arc<RwLock<ClusterInfo>>,
|
|
tick_duration: Config,
|
|
transactions_sockets: Vec<UdpSocket>,
|
|
ledger_path: &str,
|
|
sigverify_disabled: bool,
|
|
tick_height: u64,
|
|
max_tick_height: Option<u64>,
|
|
last_entry_id: &Hash,
|
|
) -> (Self, Receiver<Vec<Entry>>, Arc<AtomicBool>) {
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
|
|
let (fetch_stage, packet_receiver) = FetchStage::new(transactions_sockets, exit.clone());
|
|
|
|
let (sigverify_stage, verified_receiver) =
|
|
SigVerifyStage::new(packet_receiver, sigverify_disabled);
|
|
|
|
let (banking_stage, entry_receiver) = BankingStage::new(
|
|
&bank,
|
|
verified_receiver,
|
|
tick_duration,
|
|
last_entry_id,
|
|
tick_height,
|
|
max_tick_height,
|
|
);
|
|
|
|
let (leader_vote_stage, ledger_entry_receiver) =
|
|
LeaderVoteStage::new(keypair, bank.clone(), cluster_info.clone(), entry_receiver);
|
|
|
|
let (ledger_entry_sender, entry_forwarder) = channel();
|
|
let ledger_write_stage = LedgerWriteStage::new(
|
|
Some(ledger_path),
|
|
ledger_entry_receiver,
|
|
Some(ledger_entry_sender),
|
|
);
|
|
|
|
let tpu = Tpu {
|
|
fetch_stage,
|
|
sigverify_stage,
|
|
banking_stage,
|
|
leader_vote_stage,
|
|
ledger_write_stage,
|
|
exit: exit.clone(),
|
|
};
|
|
(tpu, entry_forwarder, exit)
|
|
}
|
|
|
|
pub fn exit(&self) -> () {
|
|
self.exit.store(true, Ordering::Relaxed);
|
|
}
|
|
|
|
pub fn is_exited(&self) -> bool {
|
|
self.exit.load(Ordering::Relaxed)
|
|
}
|
|
|
|
pub fn close(self) -> thread::Result<Option<TpuReturnType>> {
|
|
self.fetch_stage.close();
|
|
self.join()
|
|
}
|
|
}
|
|
|
|
impl Service for Tpu {
|
|
type JoinReturnType = Option<TpuReturnType>;
|
|
|
|
fn join(self) -> thread::Result<(Option<TpuReturnType>)> {
|
|
self.fetch_stage.join()?;
|
|
self.sigverify_stage.join()?;
|
|
self.leader_vote_stage.join()?;
|
|
self.ledger_write_stage.join()?;
|
|
match self.banking_stage.join()? {
|
|
Some(BankingStageReturnType::LeaderRotation) => Ok(Some(TpuReturnType::LeaderRotation)),
|
|
_ => Ok(None),
|
|
}
|
|
}
|
|
}
|