87 lines
2.2 KiB
Rust
87 lines
2.2 KiB
Rust
use std::sync::{
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atomic::{AtomicU32, Ordering},
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Arc,
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};
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use log::info;
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use solana_client::{
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nonblocking::{rpc_client::RpcClient, tpu_client::TpuClient},
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tpu_client::TpuClientConfig,
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};
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use tokio::sync::RwLock;
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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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tpu_client: Arc<RwLock<TpuClient>>,
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ws_addr: String,
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fanout_slots: u64,
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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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) -> anyhow::Result<Self> {
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let tpu_client = Self::new_tpu_client(rpc_client.clone(), &ws_addr, fanout_slots).await?;
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let tpu_client = Arc::new(RwLock::new(tpu_client));
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Ok(Self {
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rpc_client,
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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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})
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}
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pub async fn new_tpu_client(
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rpc_client: Arc<RpcClient>,
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ws_addr: &str,
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fanout_slots: u64,
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) -> anyhow::Result<TpuClient> {
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Ok(TpuClient::new(
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rpc_client.clone(),
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ws_addr,
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TpuClientConfig { fanout_slots },
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)
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.await?)
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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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let tpu_client =
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Self::new_tpu_client(self.rpc_client.clone(), &self.ws_addr, self.fanout_slots)
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.await?;
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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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info!("TPU Reset after 5 errors");
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}
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Ok(())
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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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match self
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.tpu_client
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.read()
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.await
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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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