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use solana_client::rpc_client::RpcClient;
use solana_sdk::{
compute_budget::ComputeBudgetInstruction,
instruction::{AccountMeta, Instruction},
pubkey::Pubkey,
signature::{Keypair, Signer},
transaction::Transaction,
system_instruction,
};
use solana_sdk::signer::keypair::read_keypair_file;
use std::{str::FromStr, sync::Arc, thread};
use std::path::PathBuf;
fn main() {
let rpc_url = String::from("https://api.testnet.solana.com");
//let rpc_url = String::from("http://127.0.0.1:8899");
let client = RpcClient::new(&rpc_url);
let client = Arc::new(client);
// Load keypairs for two payer accounts
let keypair_path1 = PathBuf::from("/root/.config/solana/id1.json");
let keypair_path2 = PathBuf::from("/root/.config/solana/id2.json");
let payer1 = read_keypair_file(&keypair_path1).expect("Failed to read keypair from file 1");
let payer2 = read_keypair_file(&keypair_path2).expect("Failed to read keypair from file 2");
let key_bytes1 = payer1.to_bytes();
let key_bytes2 = payer2.to_bytes();
// Use two different sets of threads for each payer
let handles1: Vec<_> = (0..10).map(|_| {
let client = Arc::clone(&client);
let key_bytes = key_bytes1.clone();
thread::spawn(move || {
let payer = Keypair::from_bytes(&key_bytes).expect("Failed to deserialize keypair");
send_transaction(&client, &payer);
})
}).collect();
let handles2: Vec<_> = (0..10).map(|_| {
let client = Arc::clone(&client);
let key_bytes = key_bytes2.clone();
thread::spawn(move || {
let payer = Keypair::from_bytes(&key_bytes).expect("Failed to deserialize keypair");
send_transaction(&client, &payer);
})
}).collect();
// Wait for all threads to complete
handles1.into_iter().chain(handles2).for_each(|handle| {
handle.join().unwrap();
});
}
fn send_transaction(client: &RpcClient, payer: &Keypair) {
// let program_id = Pubkey::from_str("E3cXtz25rC1SeBVCkudZyWtzDfyDRcHvVUVuiReW2hiG").unwrap();
let program_id = Pubkey::from_str("7R2KMCUW1GimTEiS8tp8jJrde2N66yQiJ1MEUTbaPgfq").unwrap();
//let program_id = Pubkey::from_str("7R2KMCUW1GimTEiS8tp8jJrde2N66yQiJ1MEUTbaPgfq").unwrap();
let result_account = Keypair::new();
let space = 5;
let rent_exemption = client.get_minimum_balance_for_rent_exemption(space).unwrap();
let create_account_instruction = system_instruction::create_account(
&payer.pubkey(),
&result_account.pubkey(),
rent_exemption,
space as u64,
&program_id,
);
let process_instruction_accounts = vec![
AccountMeta::new(result_account.pubkey(), false),
];
let process_instruction = Instruction::new_with_bincode(
program_id,
&[0],
process_instruction_accounts,
);
let max_units = 1_200_000;
let compute_budget_instruction = ComputeBudgetInstruction::set_compute_unit_limit(max_units);
let mut transaction = Transaction::new_with_payer(
&[compute_budget_instruction, create_account_instruction, process_instruction],
Some(&payer.pubkey()),
);
let recent_blockhash = client.get_latest_blockhash().unwrap();
transaction.sign(&[payer, &result_account], recent_blockhash);
match client.send_and_confirm_transaction(&transaction) {
Ok(_) => println!("Transaction sent successfully."),
Err(e) => eprintln!("Failed to send transaction: {}", e),
}
}
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