tx.js

const { ethers } = require('ethers');
const logger = require('./logger');
const { performance } = require('perf_hooks');
require('dotenv').config();
const { Command } = require('commander');

const program = new Command();

program
  .option('-n, --no_tx <number>', 'number of transactions', parseInt)
  .option('-r, --rpc <url>', 'RPC provider URL')
  .option('-p, --privateKey <key>', 'private key for wallet')
  .option('-a, --amount <amount>', 'amount to send in ETH')
  .parse(process.argv);

const options = program.opts();

if (!options.no_tx || !options.rpc || !options.privateKey || !options.amount) {
  console.error('All options --no_tx, --rpc, --privateKey, and --amount are required');
  process.exit(1);
}

async function sendTransactions(no_tx, rpc, privateKey, amount) {
  const provider = new ethers.providers.JsonRpcProvider(rpc);

  const wallet = new ethers.Wallet(privateKey, provider);

  const tx = {
    to: '0x49f276554cb1904fd53fbd5ab874d53e76197727', // random address
    value: ethers.utils.parseEther(amount)
  };

  for (let i = 0; i < no_tx; i++) {
    const startTime = performance.now();

    try {
      const transactionResponse = await wallet.sendTransaction(tx);
      logger.info(`Transaction ${i + 1} sent: ${transactionResponse.hash}`);

      const receipt = await transactionResponse.wait();
      if (receipt.status === 1) {
        logger.info(`Transaction ${i + 1} succeeded!`);
      } else {
        logger.error(`Transaction ${i + 1} failed!`);
      }

      const logData = {
        transactionNumber: i + 1,
        transactionHash: receipt.transactionHash,
        blockNumber: receipt.blockNumber,
        gasUsed: receipt.gasUsed.toString(),
        status: receipt.status,
      };

      logger.info(`Transaction ${i + 1} details: ${JSON.stringify(logData)}`);
    } catch (error) {
      logger.error(`Error sending transaction ${i + 1}: ${error}`);
    }

    const endTime = performance.now();
    const timeTaken = endTime - startTime;
    logger.info(`Total time taken for transaction ${i + 1}: ${timeTaken.toFixed(2)} ms`);
  }
}

sendTransactions(options.no_tx, options.rpc, options.privateKey, options.amount);