44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
use log::*;
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use solana_client::{nonblocking::rpc_client::RpcClient, rpc_config::RpcSendTransactionConfig};
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use solana_sdk::{
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hash::Hash, instruction::Instruction, signature::Keypair, signature::Signer,
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transaction::Transaction,
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};
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use std::sync::{Arc, RwLock};
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use tokio::spawn;
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pub async fn send_loop(
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ixs_rx: async_channel::Receiver<Vec<Instruction>>,
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blockhash: Arc<RwLock<Hash>>,
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client: Arc<RpcClient>,
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keypair: Keypair,
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) {
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info!("signing with keypair pk={:?}", keypair.pubkey());
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let cfg = RpcSendTransactionConfig {
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skip_preflight: true,
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..RpcSendTransactionConfig::default()
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};
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loop {
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if let Ok(ixs) = ixs_rx.recv().await {
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// TODO add priority fee
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let tx = Transaction::new_signed_with_payer(
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&ixs,
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Some(&keypair.pubkey()),
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&[&keypair],
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*blockhash.read().unwrap(),
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);
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// TODO: collect metrics
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info!("send tx={:?} ok={:?}", tx.signatures[0], client.send_transaction_with_config(&tx, cfg).await);
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}
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}
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}
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pub fn init(
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ixs_rx: async_channel::Receiver<Vec<Instruction>>,
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blockhash: Arc<RwLock<Hash>>,
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client: Arc<RpcClient>,
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keypair: Keypair,
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) {
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spawn(async move { send_loop(ixs_rx, blockhash, client, keypair).await });
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}
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