@rsksmart/rsk-contract-parser/dist/tools/getContractBytecode.js

A tool to parse/interact with contracts and decode events from the Rootstock blockchain.

"use strict";var _nod3Connect = require("../lib/nod3Connect");

async function main() {
  const contractAddress = process.argv[2];
  let blockNumber = process.argv[3];
  const network = process.argv[4];
  let nod3Url = '';
  if (!contractAddress || !network || !blockNumber) {
    console.error('Usage: node getContractBytecode.js <contractAddress: address> <blockNumber: number|blockTag> <network: testnet|mainnet>');
    console.log('');
    console.info('Example with USDCe - mainnet - Block 7014665:');
    console.info('node dist/tools/getContractBytecode.js 0x74c9f2b00581f1b11aa7ff05aa9f608b7389de67 7014665 mainnet');
    console.log('');
    process.exit(1);
  }

  if (network !== 'testnet' && network !== 'mainnet') {
    console.error(`Invalid network: ${network}. Must be 'testnet' or 'mainnet'.`);
    process.exit(1);
  }

  if (network === 'testnet') {
    nod3Url = 'https://public-node.testnet.rsk.co';
  } else {
    nod3Url = 'https://public-node.rsk.co';
  }

  const nod3 = (0, _nod3Connect.nod3Connect)(nod3Url);

  // In case its not latest, ensure it's a valid block number
  if (blockNumber !== 'latest') {
    blockNumber = parseInt(blockNumber);
    if (isNaN(blockNumber)) {
      console.error(`Invalid block number: ${blockNumber}. Must be a number or 'latest'.`);
      process.exit(1);
    }

    // nod3.eth.getContractCodeAt does not convert to hex automatically yet.
    blockNumber = `0x${blockNumber.toString(16)}`;
  }

  const bytecode = await nod3.eth.getContractCodeAt(contractAddress, blockNumber);

  console.log(bytecode);
}

main();