145 lines
4.9 KiB
Rust
145 lines
4.9 KiB
Rust
use anyhow::bail;
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use futures_util::StreamExt;
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use solana_client::rpc_client::RpcClient;
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use solana_client::rpc_response::Response;
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use solana_sdk::commitment_config::CommitmentConfig;
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use solana_sdk::pubkey::Pubkey;
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use std::collections::HashMap;
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use yellowstone_grpc_client::GeyserGrpcClient;
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use yellowstone_grpc_proto::geyser::CommitmentLevel;
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use yellowstone_grpc_proto::prelude::SubscribeRequestFilterAccounts;
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use yellowstone_grpc_proto::{
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prelude::{subscribe_update::UpdateOneof, SubscribeRequestFilterSlots},
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tonic::service::Interceptor,
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};
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const GRPC_URL: &str = "http://localhost:10000";
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const RPC_URL: &str = "http://localhost:8899";
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#[tokio::main]
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async fn main() -> anyhow::Result<()> {
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tracing_subscriber::fmt::init();
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let client = GeyserGrpcClient::connect(GRPC_URL, None::<&'static str>, None)?;
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let ctrl_c_signal = tokio::signal::ctrl_c();
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let sysvar_account_list = [
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(solana_sdk::sysvar::clock::ID, "Clock"),
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(solana_sdk::sysvar::epoch_schedule::ID, "Epoch Schedule"),
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(solana_sdk::sysvar::fees::ID, "Fee"),
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(solana_sdk::sysvar::instructions::ID, "Instructions"),
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(
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solana_sdk::sysvar::recent_blockhashes::ID,
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"Recent Blockhashes",
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),
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(solana_sdk::sysvar::rent::ID, "Rent"),
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(solana_sdk::sysvar::rewards::ID, "Rewards"),
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(solana_sdk::sysvar::slot_hashes::ID, "Slot Hashes"),
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(solana_sdk::sysvar::slot_history::ID, "Slot History"),
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(solana_sdk::sysvar::stake_history::ID, "Stake history"),
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];
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load_accounts_from_rpc(&sysvar_account_list);
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tokio::select! {
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res = run_loop(client, &sysvar_account_list) => {
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// This should never happen
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log::error!("Services quit unexpectedly {res:?}");
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}
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_ = ctrl_c_signal => {
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log::info!("Received ctrl+c signal");
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}
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}
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Ok(())
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}
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async fn run_loop<F: Interceptor>(
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mut client: GeyserGrpcClient<F>,
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accounts: &[(Pubkey, &str)],
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) -> anyhow::Result<()> {
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//subscribe Geyser grpc
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//slot subscription
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let mut slots = HashMap::new();
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slots.insert("client".to_string(), SubscribeRequestFilterSlots::default());
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//account subscription
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let mut accounts_filter: HashMap<String, SubscribeRequestFilterAccounts> = HashMap::new();
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for (id, _) in accounts {
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accounts_filter.insert(
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"client".to_owned(),
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SubscribeRequestFilterAccounts {
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account: vec![id.to_string()],
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owner: vec![],
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filters: vec![],
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},
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);
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}
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let mut confirmed_stream = client
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.subscribe_once(
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slots.clone(),
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accounts_filter, //accounts
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Default::default(), //tx
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Default::default(), //entry
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Default::default(), //full block
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Default::default(), //block meta
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Some(CommitmentLevel::Confirmed),
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vec![],
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None,
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)
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.await?;
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while let Some(Ok(update)) = confirmed_stream.next().await {
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match update.update_oneof {
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Some(UpdateOneof::Account(account)) => {
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log::info!("Geyser receive account at slot:{}", account.slot);
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if let Some(account) = account.account {
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let acc_id = Pubkey::try_from(account.pubkey).expect("valid pubkey");
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log::info!("Geyser notif for account account:{:?}", acc_id);
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match accounts.iter().filter(|(id, _)| *id == acc_id).next() {
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Some((_, name)) => {
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log::info!("Geyser receive notification for account:{name}")
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}
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None => log::warn!(
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"Geyser receive a notification from a unknown account:{acc_id}"
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),
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}
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}
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}
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Some(UpdateOneof::Slot(slot)) => log::info!(
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"Geyser receive slot:{} commitment:{:?}",
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slot.slot,
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slot.status()
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),
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Some(UpdateOneof::Ping(_)) => {
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log::trace!("GRPC Ping");
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}
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k => {
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bail!("Unexpected update: {k:?}");
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}
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};
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}
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Ok(())
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}
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fn load_accounts_from_rpc(accounts: &[(Pubkey, &str)]) {
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let rpc_client = RpcClient::new(RPC_URL);
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for (id, name) in accounts {
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load_account_from_rpc(*id, name, &rpc_client);
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}
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}
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fn load_account_from_rpc(id: Pubkey, name: &str, rpc_client: &RpcClient) {
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match rpc_client.get_account_with_commitment(&id, CommitmentConfig::confirmed()) {
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Ok(Response { value: Some(_), .. }) => {
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log::info!("RPC get_account return the {name} account")
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}
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Ok(Response { value: None, .. }) => {
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log::info!("RPC get_account doesn't find the {name} account")
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}
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Err(err) => log::error!("Error during RPC call:{err}"),
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}
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}
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