generate-dsproxy-addresses.js

const rlp = require("rlp");
const web3Utils = require("web3-utils");

/**
 * Calculates address of contract created by deployerAddr if CREATE is used (not CREATE2)
 **/
const calcAddress = (deployerAddr, nonce) => {
  const rlpEncoded = Buffer.from(rlp.encode([deployerAddr, nonce])).toString('hex');
  const address = '0x' + web3Utils.sha3('0x' + rlpEncoded).substr(66 - 40);
  return address;
}

// List first 300k DsProxy addresses (not all of them already exist)
const dsProxyFactoryAddr = '0xa26e15c895efc0616177b7c1e7270a4c7d51c997';
for (var i = 1; i <= 300_000; i++) {
  // #1 is DsProxyCache, DsProxies start from #2
  // #3953 is mislabeled on Etherscan causing misnumbered labels for all after it
  console.log(`${i},\t${calcAddress(dsProxyFactoryAddr, i)}`);
}