fix slot polling issue
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50c3b43a8b
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9fd6af9f98
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@ -18,13 +18,8 @@ pub fn create_json_rpc_polling_subscription(
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let (cluster_info_sx, cluster_info_notifier) = tokio::sync::broadcast::channel(10);
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let (cluster_info_sx, cluster_info_notifier) = tokio::sync::broadcast::channel(10);
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let (va_sx, vote_account_notifier) = tokio::sync::broadcast::channel(10);
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let (va_sx, vote_account_notifier) = tokio::sync::broadcast::channel(10);
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let mut endpoint_tasks = vec![];
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let mut endpoint_tasks =
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let slot_polling_task = tokio::spawn(poll_slots(
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poll_slots(rpc_client.clone(), CommitmentConfig::processed(), slot_sx)?;
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rpc_client.clone(),
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CommitmentConfig::processed(),
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slot_sx,
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));
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endpoint_tasks.push(slot_polling_task);
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let mut block_polling_tasks =
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let mut block_polling_tasks =
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poll_block(rpc_client.clone(), block_sx, slot_notifier.resubscribe());
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poll_block(rpc_client.clone(), block_sx, slot_notifier.resubscribe());
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@ -1,8 +1,8 @@
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use std::{sync::Arc, time::Duration};
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use std::{sync::Arc, time::Duration};
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use anyhow::Context;
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use anyhow::{bail, Context};
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use solana_client::nonblocking::rpc_client::RpcClient;
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use solana_client::nonblocking::rpc_client::RpcClient;
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use solana_lite_rpc_core::structures::slot_notification::SlotNotification;
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use solana_lite_rpc_core::{structures::slot_notification::SlotNotification, AnyhowJoinHandle};
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use solana_sdk::{commitment_config::CommitmentConfig, slot_history::Slot};
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use solana_sdk::{commitment_config::CommitmentConfig, slot_history::Slot};
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use tokio::sync::broadcast::Sender;
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use tokio::sync::broadcast::Sender;
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const AVERAGE_SLOT_CHANGE_TIME: Duration = Duration::from_millis(400);
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const AVERAGE_SLOT_CHANGE_TIME: Duration = Duration::from_millis(400);
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@ -14,26 +14,43 @@ pub async fn poll_commitment_slots(
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) -> anyhow::Result<()> {
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) -> anyhow::Result<()> {
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let mut poll_frequency = tokio::time::interval(Duration::from_millis(10));
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let mut poll_frequency = tokio::time::interval(Duration::from_millis(10));
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let mut last_slot = 0;
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let mut last_slot = 0;
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let mut errors = 0;
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loop {
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loop {
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let slot = rpc_client
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let slot = rpc_client.get_slot_with_commitment(commitment_config).await;
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.get_slot_with_commitment(commitment_config)
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match slot {
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.await
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Ok(slot) => {
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.context("Error getting slot")?;
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if slot > last_slot {
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if slot > last_slot {
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// send
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// send
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slot_tx.send(slot).context("Error sending slot")?;
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slot_tx.send(slot).context("Error sending slot")?;
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last_slot = slot;
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last_slot = slot;
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}
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}
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errors = 0;
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}
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Err(e) => {
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errors += 1;
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if errors > 10 {
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bail!("Exceeded error count to get slots from rpc {e:?}");
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}
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}
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}
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// wait for next poll i.e at least 50ms
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// wait for next poll i.e at least 50ms
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poll_frequency.tick().await;
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poll_frequency.tick().await;
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}
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}
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}
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}
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pub async fn poll_slots(
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pub fn poll_slots(
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rpc_client: Arc<RpcClient>,
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rpc_client: Arc<RpcClient>,
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commitment_config: CommitmentConfig,
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commitment_config: CommitmentConfig,
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sender: Sender<SlotNotification>,
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sender: Sender<SlotNotification>,
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) -> anyhow::Result<()> {
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) -> anyhow::Result<Vec<AnyhowJoinHandle>> {
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// processed slot update task
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let (slot_update_sx, mut slot_update_rx) = tokio::sync::mpsc::unbounded_channel();
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let task1 = tokio::spawn(poll_commitment_slots(
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rpc_client.clone(),
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commitment_config,
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slot_update_sx,
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));
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let task2 = tokio::spawn(async move {
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let slot = rpc_client
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let slot = rpc_client
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.get_slot_with_commitment(CommitmentConfig::confirmed())
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.get_slot_with_commitment(CommitmentConfig::confirmed())
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.await
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.await
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@ -42,13 +59,6 @@ pub async fn poll_slots(
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let mut current_slot = slot;
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let mut current_slot = slot;
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let mut estimated_slot = slot;
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let mut estimated_slot = slot;
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// processed slot update task
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let (slot_update_sx, mut slot_update_rx) = tokio::sync::mpsc::unbounded_channel();
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tokio::spawn(poll_commitment_slots(
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rpc_client,
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commitment_config,
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slot_update_sx,
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));
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loop {
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loop {
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match tokio::time::timeout(AVERAGE_SLOT_CHANGE_TIME, slot_update_rx.recv()).await {
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match tokio::time::timeout(AVERAGE_SLOT_CHANGE_TIME, slot_update_rx.recv()).await {
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Ok(Some(slot)) => {
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Ok(Some(slot)) => {
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@ -84,4 +94,6 @@ pub async fn poll_slots(
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}
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}
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}
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}
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}
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}
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});
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Ok(vec![task1, task2])
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}
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}
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