quorum-js/7nodes-test/deployContractViaHttp-externalSigningTemplate.js

Quorum.js is an extension to web3.js providing support for JP Morgan's Quorum API

const Web3 = require('web3');
const EthereumTx = require('ethereumjs-tx').Transaction;

const web3 = new Web3(
  new Web3.providers.HttpProvider("http://localhost:22000")
);

const quorumjs = require("../lib/index.js");

const accAddress = "ed9d02e382b34818e88b88a309c7fe71e65f419d";

const signAcct = web3.eth.accounts.decrypt(
  {
    address: accAddress,
    crypto: {
      cipher: "aes-128-ctr",
      ciphertext:
        "4e77046ba3f699e744acb4a89c36a3ea1158a1bd90a076d36675f4c883864377",
      cipherparams: {iv: "a8932af2a3c0225ee8e872bc0e462c11"},
      kdf: "scrypt",
      kdfparams: {
        dklen: 32,
        n: 262144,
        p: 1,
        r: 8,
        salt: "8ca49552b3e92f79c51f2cd3d38dfc723412c212e702bd337a3724e8937aff0f"
      },
      mac: "6d1354fef5aa0418389b1a5d1f5ee0050d7273292a1171c51fd02f9ecff55264"
    },
    id: "a65d1ac3-db7e-445d-a1cc-b6c5eeaa05e0",
    version: 3
  },
  ""
);

const abi = [
  {
    constant: true,
    inputs: [],
    name: "storedData",
    outputs: [{name: "", type: "uint256"}],
    payable: false,
    type: "function"
  },
  {
    constant: false,
    inputs: [{name: "x", type: "uint256"}],
    name: "set",
    outputs: [],
    payable: false,
    type: "function"
  },
  {
    constant: true,
    inputs: [],
    name: "get",
    outputs: [{name: "retVal", type: "uint256"}],
    payable: false,
    type: "function"
  },
  {
    inputs: [{name: "initVal", type: "uint256"}],
    payable: false,
    type: "constructor"
  }
];

const bytecode =
  "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";

const simpleContract = new web3.eth.Contract(abi);

const bytecodeWithInitParam = simpleContract
  .deploy({data: bytecode, arguments: [42]})
  .encodeABI();

// const tessera = quorumjs.enclaves.Tessera(
//   web3,
//   "http://localhost:9081",
//   "http://localhost:9081"
// );

const rawTransactionManager = quorumjs.RawTransactionManager(web3, {
  privateUrl: "http://localhost:9081"
});

rawTransactionManager
  .storeRawRequest(
    bytecodeWithInitParam,
    "BULeR8JyUWhiuuCMU/HLA0Q5pzkYT+cHII3ZKBey3Bo="
  )
  .then(txHash => {
    // BEGIN EXTERNAL SIGNING
    // REPLACE this with your preferred method for signing
    // Keep in mind that for signing *private* transactions you need to use the *Homestead/Frontier* signer.

    web3.eth
      .getTransactionCount(accAddress)
      .then(nonce => {
        const rawTransaction = {
          nonce: `0x${nonce.toString(16)}`,
          from: accAddress,
          value: `0x${(0).toString(16)}`,
          gasLimit: `0x${(4300000).toString(16)}`,
          gasPrice: `0x${(0).toString(16)}`,
          data: `0x${txHash}`
        };

        const tx = new EthereumTx(rawTransaction, {chain: 'mainnet', hardfork: 'homestead'});
        tx.sign(Buffer.from(signAcct.privateKey.substring(2), "hex"));

        const serializedTx = tx.serialize();
        const serializedTxHex = `0x${serializedTx.toString("hex")}`;
        // END EXTERNAL SIGNING

        const privateTx = rawTransactionManager.setPrivate(serializedTxHex);
        const privateTxHex = `0x${privateTx.toString("hex")}`;

        return rawTransactionManager
          .sendRawRequest(privateTxHex, [
            "QfeDAys9MPDs2XHExtc84jKGHxZg/aj52DTh0vtA3Xc="
          ])
          .then(console.log)
          .catch(console.log);
      })
      .catch(console.log);
    return txHash;
  })
  .catch(console.log);