136 lines
4.0 KiB
Rust
136 lines
4.0 KiB
Rust
use log::info;
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use solana_client::nonblocking::rpc_client::RpcClient;
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use solana_client::{connection_cache::ConnectionCache, nonblocking::tpu_client::TpuClient};
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use solana_quic_client::{QuicConfig, QuicConnectionManager, QuicPool};
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use solana_sdk::signature::Keypair;
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use std::{
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net::{IpAddr, Ipv4Addr},
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sync::{
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atomic::{AtomicU32, Ordering},
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Arc,
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},
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};
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use tokio::sync::RwLock;
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pub type QuicTpuClient = TpuClient<QuicPool, QuicConnectionManager, QuicConfig>;
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pub type QuicConnectionCache = ConnectionCache;
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const TPU_CONNECTION_CACHE_SIZE: usize = 8;
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#[derive(Clone)]
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pub struct TpuManager {
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error_count: Arc<AtomicU32>,
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rpc_client: Arc<RpcClient>,
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// why arc twice / one is so that we clone rwlock and other so that we can clone tpu client
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tpu_client: Arc<RwLock<Arc<QuicTpuClient>>>,
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pub ws_addr: String,
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fanout_slots: u64,
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identity: Arc<Keypair>,
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}
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impl TpuManager {
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pub async fn new(
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rpc_client: Arc<RpcClient>,
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ws_addr: String,
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fanout_slots: u64,
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identity: Keypair,
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) -> anyhow::Result<Self> {
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let connection_cache = ConnectionCache::new_with_client_options(
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4,
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None,
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Some((&identity, IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)))),
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None,
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);
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let quic_connection_cache =
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if let ConnectionCache::Quic(connection_cache) = connection_cache {
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Some(connection_cache)
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} else {
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None
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};
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let tpu_client = Arc::new(
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TpuClient::new_with_connection_cache(
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rpc_client.clone(),
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&ws_addr,
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solana_client::tpu_client::TpuClientConfig { fanout_slots },
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quic_connection_cache.unwrap(),
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)
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.await
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.unwrap(),
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);
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Ok(Self {
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rpc_client,
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tpu_client: Arc::new(RwLock::new(tpu_client)),
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ws_addr,
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fanout_slots,
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error_count: Default::default(),
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identity: Arc::new(identity),
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})
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}
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pub async fn reset_tpu_client(&self) -> anyhow::Result<()> {
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let identity = Keypair::from_bytes(&self.identity.to_bytes()).unwrap();
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let connection_cache = ConnectionCache::new_with_client_options(
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4,
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None,
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Some((&identity, IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)))),
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None,
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);
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let quic_connection_cache =
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if let ConnectionCache::Quic(connection_cache) = connection_cache {
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Some(connection_cache)
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} else {
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None
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};
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let tpu_client = Arc::new(
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TpuClient::new_with_connection_cache(
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self.rpc_client.clone(),
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&self.ws_addr,
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solana_client::tpu_client::TpuClientConfig {
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fanout_slots: self.fanout_slots,
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},
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quic_connection_cache.unwrap(),
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)
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.await
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.unwrap(),
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);
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self.error_count.store(0, Ordering::Relaxed);
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*self.tpu_client.write().await = tpu_client;
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Ok(())
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}
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pub async fn reset(&self) -> anyhow::Result<()> {
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self.error_count.fetch_add(1, Ordering::Relaxed);
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if self.error_count.load(Ordering::Relaxed) > 5 {
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self.reset_tpu_client().await?;
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info!("TPU Reset after 5 errors");
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}
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Ok(())
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}
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async fn get_tpu_client(&self) -> Arc<QuicTpuClient> {
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self.tpu_client.read().await.clone()
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}
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pub async fn try_send_wire_transaction_batch(
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&self,
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wire_transactions: Vec<Vec<u8>>,
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) -> anyhow::Result<()> {
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let tpu_client = self.get_tpu_client().await;
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match tpu_client
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.try_send_wire_transaction_batch(wire_transactions)
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.await
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{
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Ok(_) => Ok(()),
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Err(err) => {
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self.reset().await?;
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Err(err.into())
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}
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}
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}
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}
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