iustosed/example/onChainPrivacy/deployContractExample.js

Web3 JS Quorum - JSON-RPC API

const fs = require("fs");
const path = require("path");
const Web3 = require("web3");
const Web3Quorum = require("../../src");

const { orion, network } = require("../keys.js");

const binary = fs.readFileSync(
  path.join(__dirname, "../solidity/Greeter/greeter.bin")
);

const greeterAbi = require("../solidity/Greeter/greeter_meta").output.abi;

const web3Node1 = new Web3Quorum(new Web3(network.node1.url));
const web3Node2 = new Web3Quorum(new Web3(network.node2.url));

const createGreeterContract = (privacyGroupId) => {
  const contractOptions = {
    data: `0x${binary}`,
    privateFrom: orion.node1.publicKey,
    privacyGroupId,
    privateKey: network.node1.privateKey,
  };
  return web3Node1.priv.generateAndSendRawTransaction(contractOptions);
};

const getPrivateContractAddress = (transactionHash) => {
  return web3Node1.priv
    .waitForTransactionReceipt(transactionHash)
    .then((privateTransactionReceipt) => {
      return privateTransactionReceipt.contractAddress;
    });
};

const callGenericFunctionOnContract = (
  web3,
  privateFrom,
  privateKey,
  address,
  privacyGroupId,
  method,
  value
) => {
  const contract = new web3.eth.Contract(greeterAbi);

  const functionAbi = contract._jsonInterface.find((e) => {
    return e.name === method;
  });

  const functionArgs =
    value !== null
      ? web3.eth.abi.encodeParameters(functionAbi.inputs, [value]).slice(2)
      : null;

  const functionCall = {
    to: address,
    data:
      functionArgs !== null
        ? functionAbi.signature + functionArgs
        : functionAbi.signature,
    privateFrom,
    privateKey,
    privacyGroupId,
  };
  return web3.priv
    .generateAndSendRawTransaction(functionCall)
    .then((privateTxHash) => {
      console.log("Transaction Hash:", privateTxHash);
      return web3.priv.waitForTransactionReceipt(privateTxHash);
    })
    .then((result) => {
      return result;
    });
};

module.exports = async () => {
  const privacyGroupCreationResult = await web3Node1.eth.flexiblePrivacyGroup.create(
    {
      participants: [orion.node1.publicKey, orion.node2.publicKey],
      enclaveKey: orion.node1.publicKey,
      privateFrom: orion.node1.publicKey,
      privateKey: network.node1.privateKey,
    }
  );

  console.log(privacyGroupCreationResult);

  const greeterContractAddress = await createGreeterContract(
    privacyGroupCreationResult.privacyGroupId
  ).then((res) => {
    return getPrivateContractAddress(res);
  });

  const callGreetFunctionResult = await callGenericFunctionOnContract(
    web3Node1,
    orion.node1.publicKey,
    network.node1.privateKey,
    greeterContractAddress,
    privacyGroupCreationResult.privacyGroupId,
    "greet",
    null
  ).then((r) => {
    return r;
  });

  console.log(callGreetFunctionResult);

  const callSetGreetingFunctionResultFromSecondParticipant = await callGenericFunctionOnContract(
    web3Node2,
    orion.node2.publicKey,
    network.node2.privateKey,
    greeterContractAddress,
    privacyGroupCreationResult.privacyGroupId,
    "setGreeting",
    "test"
  ).then((r) => {
    return r;
  });

  console.log(callSetGreetingFunctionResultFromSecondParticipant);

  const callFireEventFunctionResult = await callGenericFunctionOnContract(
    web3Node1,
    orion.node1.publicKey,
    network.node1.privateKey,
    greeterContractAddress,
    privacyGroupCreationResult.privacyGroupId,
    "fire",
    null
  ).then((r) => {
    return r;
  });

  console.log(callFireEventFunctionResult);
};

if (require.main === module) {
  module.exports();
}