shrugs · August 31, 2018 01:58 · shrugs · Aug 31, 2018
diff --git a/deploy.js b/deploy.js
 const pify = require("pify");
 const peth = pify(web3.eth);

 const Transaction = require("eth-lib/lib/transaction");
 const Bytes = require("eth-lib/lib/bytes");
 const RLP = require("eth-lib/lib/rlp");

 const deterministicallyDeploy = async (
  TruffleContractInstance,
  args = [],
  gasPrice = web3.toHex(web3.toWei(100, "gwei")),
  extra
 ) => {
  // console.log("gasPrice", gasPrice);

  // construct bytecode
  const bytecode = web3.eth
    .contract(TruffleContractInstance._json.abi)
    .new.getData(...args, {
      data: TruffleContractInstance._json.bytecode
    });
  console.log("bytecode", bytecode);

  // estimate gas
  const estimatedGas = web3.toHex(
    await peth.estimateGas({
      data: bytecode,
      ...extra
    })
  );
  console.log("estimatedGas", estimatedGas);

  // construct pseudo transaction
  const rawTransaction = RLP.encode([
    Bytes.fromNumber(0), // nonce
    Bytes.fromNat(gasPrice), // gas price
    Bytes.fromNat(estimatedGas), // gas
    "0x", // to address
    Bytes.fromNumber(0), // value
    bytecode, // data
    Bytes.fromNumber(27), // v
    "0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798".toLowerCase(), // r
    "0x0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" // s
  ]);
  console.log("rawTransaction", rawTransaction);

  // recover signer
  const signer = Transaction.recover(rawTransaction);
  console.log("signer", signer);

  // calculate gas cost
  const gasCost = web3
    .toBigNumber(gasPrice)
    .mul(web3.toBigNumber(estimatedGas));
  // console.log("total gas cost", gasCost.toString());

  // send that money to signer
  await peth.sendTransaction({
    from: extra.from,
    to: signer,
    value: web3.toWei(1, "ether")
  });
  console.log("balance", (await peth.getBalance(signer)).toString());

  // deploy contract
  const txId = await peth.sendRawTransaction(rawTransaction);
  const { contractAddress: address } = await peth.getTransactionReceipt(txId);
  const code = await peth.getCode(address);
  console.log(code);
 };

 module.exports = {
  deterministicallyDeploy
 };
	const pify = require("pify");
	const peth = pify(web3.eth);

	const Transaction = require("eth-lib/lib/transaction");
	const Bytes = require("eth-lib/lib/bytes");
	const RLP = require("eth-lib/lib/rlp");

	const deterministicallyDeploy = async (
	TruffleContractInstance,
	args = [],
	gasPrice = web3.toHex(web3.toWei(100, "gwei")),
	extra
	) => {
	// console.log("gasPrice", gasPrice);

	// construct bytecode
	const bytecode = web3.eth
	.contract(TruffleContractInstance._json.abi)
	.new.getData(...args, {
	data: TruffleContractInstance._json.bytecode
	});
	console.log("bytecode", bytecode);

	// estimate gas
	const estimatedGas = web3.toHex(
	await peth.estimateGas({
	data: bytecode,
	...extra
	})
	);
	console.log("estimatedGas", estimatedGas);

	// construct pseudo transaction
	const rawTransaction = RLP.encode([
	Bytes.fromNumber(0), // nonce
	Bytes.fromNat(gasPrice), // gas price
	Bytes.fromNat(estimatedGas), // gas
	"0x", // to address
	Bytes.fromNumber(0), // value
	bytecode, // data
	Bytes.fromNumber(27), // v
	"0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798".toLowerCase(), // r
	"0x0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" // s
	]);
	console.log("rawTransaction", rawTransaction);

	// recover signer
	const signer = Transaction.recover(rawTransaction);
	console.log("signer", signer);

	// calculate gas cost
	const gasCost = web3
	.toBigNumber(gasPrice)
	.mul(web3.toBigNumber(estimatedGas));
	// console.log("total gas cost", gasCost.toString());

	// send that money to signer
	await peth.sendTransaction({
	from: extra.from,
	to: signer,
	value: web3.toWei(1, "ether")
	});
	console.log("balance", (await peth.getBalance(signer)).toString());

	// deploy contract
	const txId = await peth.sendRawTransaction(rawTransaction);
	const { contractAddress: address } = await peth.getTransactionReceipt(txId);
	const code = await peth.getCode(address);
	console.log(code);
	};

	module.exports = {
	deterministicallyDeploy
	};