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use std::time::Duration;
use colored::*;
use solana_client::{
client_error::{ClientError, ClientErrorKind, Result as ClientResult},
rpc_config::RpcSendTransactionConfig,
};
use solana_program::{
instruction::Instruction,
native_token::{lamports_to_sol, sol_to_lamports},
};
use solana_rpc_client::spinner;
use solana_sdk::{
commitment_config::CommitmentLevel,
compute_budget::ComputeBudgetInstruction,
signature::{Signature, Signer},
transaction::Transaction,
};
use solana_transaction_status::{TransactionConfirmationStatus, UiTransactionEncoding};
use crate::Miner;
const MIN_SOL_BALANCE: f64 = 0.005;
const RPC_RETRIES: usize = 0;
const _SIMULATION_RETRIES: usize = 4;
const GATEWAY_RETRIES: usize = 150;
const CONFIRM_RETRIES: usize = 1;
const CONFIRM_DELAY: u64 = 0;
const GATEWAY_DELAY: u64 = 300;
pub enum ComputeBudget {
Dynamic,
Fixed(u32),
}
impl Miner {
pub async fn send_and_confirm(
&self,
ixs: &[Instruction],
compute_budget: ComputeBudget,
skip_confirm: bool,
) -> ClientResult<Signature> {
let progress_bar = spinner::new_progress_bar();
let signer = self.signer();
let client = self.rpc_client.clone();
// Return error, if balance is zero
if let Ok(balance) = client.get_balance(&signer.pubkey()).await {
if balance <= sol_to_lamports(MIN_SOL_BALANCE) {
panic!(
"{} Insufficient balance: {} SOL\nPlease top up with at least {} SOL",
"ERROR".bold().red(),
lamports_to_sol(balance),
MIN_SOL_BALANCE
);
}
}
// Set compute units
let mut final_ixs = vec![];
match compute_budget {
ComputeBudget::Dynamic => {
// TODO simulate
final_ixs.push(ComputeBudgetInstruction::set_compute_unit_limit(1_400_000))
}
ComputeBudget::Fixed(cus) => {
final_ixs.push(ComputeBudgetInstruction::set_compute_unit_limit(cus))
}
}
final_ixs.push(ComputeBudgetInstruction::set_compute_unit_price(
self.priority_fee,
));
final_ixs.extend_from_slice(ixs);
// Build tx
let send_cfg = RpcSendTransactionConfig {
skip_preflight: true,
preflight_commitment: Some(CommitmentLevel::Confirmed),
encoding: Some(UiTransactionEncoding::Base64),
max_retries: Some(RPC_RETRIES),
min_context_slot: None,
};
let mut tx = Transaction::new_with_payer(&final_ixs, Some(&signer.pubkey()));
// Sign tx
let (hash, _slot) = client
.get_latest_blockhash_with_commitment(self.rpc_client.commitment())
.await
.unwrap();
tx.sign(&[&signer], hash);
// Submit tx
let mut attempts = 0;
loop {
progress_bar.set_message(format!("Submitting transaction... (attempt {})", attempts));
match client.send_transaction_with_config(&tx, send_cfg).await {
Ok(sig) => {
// Skip confirmation
if skip_confirm {
progress_bar.finish_with_message(format!("Sent: {}", sig));
return Ok(sig);
}
// Confirm the tx landed
for _ in 0..CONFIRM_RETRIES {
std::thread::sleep(Duration::from_millis(CONFIRM_DELAY));
match client.get_signature_statuses(&[sig]).await {
Ok(signature_statuses) => {
for status in signature_statuses.value {
if let Some(status) = status {
if let Some(err) = status.err {
progress_bar.finish_with_message(format!(
"{}: {}",
"ERROR".bold().red(),
err
));
return Err(ClientError {
request: None,
kind: ClientErrorKind::Custom(err.to_string()),
});
}
if let Some(confirmation) = status.confirmation_status {
match confirmation {
TransactionConfirmationStatus::Processed => {}
TransactionConfirmationStatus::Confirmed
| TransactionConfirmationStatus::Finalized => {
progress_bar.finish_with_message(format!(
"{} {}",
"OK".bold().green(),
sig
));
return Ok(sig);
}
}
}
}
}
}
// Handle confirmation errors
Err(err) => {
progress_bar.set_message(format!(
"{}: {}",
"ERROR".bold().red(),
err.kind().to_string()
));
}
}
}
}
// Handle submit errors
Err(err) => {
progress_bar.set_message(format!(
"{}: {}",
"ERROR".bold().red(),
err.kind().to_string()
));
}
}
// Retry
std::thread::sleep(Duration::from_millis(GATEWAY_DELAY));
attempts += 1;
if attempts > GATEWAY_RETRIES {
progress_bar.finish_with_message(format!("{}: Max retries", "ERROR".bold().red()));
return Err(ClientError {
request: None,
kind: ClientErrorKind::Custom("Max retries".into()),
});
}
}
}
// TODO
fn _simulate(&self) {
// Simulate tx
// let mut sim_attempts = 0;
// 'simulate: loop {
// let sim_res = client
// .simulate_transaction_with_config(
// &tx,
// RpcSimulateTransactionConfig {
// sig_verify: false,
// replace_recent_blockhash: true,
// commitment: Some(self.rpc_client.commitment()),
// encoding: Some(UiTransactionEncoding::Base64),
// accounts: None,
// min_context_slot: Some(slot),
// inner_instructions: false,
// },
// )
// .await;
// match sim_res {
// Ok(sim_res) => {
// if let Some(err) = sim_res.value.err {
// println!("Simulaton error: {:?}", err);
// sim_attempts += 1;
// } else if let Some(units_consumed) = sim_res.value.units_consumed {
// if dynamic_cus {
// println!("Dynamic CUs: {:?}", units_consumed);
// let cu_budget_ix = ComputeBudgetInstruction::set_compute_unit_limit(
// units_consumed as u32 + 1000,
// );
// let cu_price_ix =
// ComputeBudgetInstruction::set_compute_unit_price(self.priority_fee);
// let mut final_ixs = vec![];
// final_ixs.extend_from_slice(&[cu_budget_ix, cu_price_ix]);
// final_ixs.extend_from_slice(ixs);
// tx = Transaction::new_with_payer(&final_ixs, Some(&signer.pubkey()));
// }
// break 'simulate;
// }
// }
// Err(err) => {
// println!("Simulaton error: {:?}", err);
// sim_attempts += 1;
// }
// }
// // Abort if sim fails
// if sim_attempts.gt(&SIMULATION_RETRIES) {
// return Err(ClientError {
// request: None,
// kind: ClientErrorKind::Custom("Simulation failed".into()),
// });
// }
// }
}
}