Metamask Contract Deployment – How to Deploy Contract Using Second Address in Wallet with Hardhat

contract-deploymenthardhat-deploymetamask

I'm trying to deploy a contract using the second address in my wallet (Metamask), how can I achieve such thing from hardhat?
This is my hardhat config:

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
require("@nomiclabs/hardhat-ethers");
require('@openzeppelin/hardhat-upgrades');
require("@nomiclabs/hardhat-etherscan");


module.exports = {
  solidity: "0.8.2",
  networks: {
    rinkeby: {
      url: `https://eth-rinkeby.alchemyapi.io/v2/${process.env.ALCHEMY_KEY}`,
      accounts: {mnemonic: process.env.MNEMONIC_WALLET},
      gas: 2100000,
      gasPrice: 80000000000
    }
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY
  }
};

In this way I deploy my contract using the first address of my Metamask wallet, how can I deploy the contract using the second one?

Best Answer

This is actually a question about ethers.js, not hardhat.

Let's use my Greeter deployer as a base to start from:

task("deploy:Greeter")
  .addParam("greeting", "Say hello, be nice")
  .setAction(async function (taskArguments: TaskArguments, { ethers }) {
    const signers: SignerWithAddress[] = await ethers.getSigners();
    const greeterFactory: Greeter__factory = <Greeter__factory>await ethers.getContractFactory("Greeter");
    const greeter: Greeter = <Greeter>await greeterFactory.connect(signers[0]).deploy(taskArguments.greeting);
    await greeter.deployed();
    console.log("Greeter deployed to: ", greeter.address);
  });

So to change the deployer account, you use the connect method and then call the deploy function.

Related Solutions

Gnosis Safe – Fixing “Safe Proxy Contract Not Deployed in Current Network” Error After Calling safeFactory.deploySafe()

The issue has been fixed by the gnosis team. https://github.com/gnosis/safe-core-sdk/issues/128

Contract Deployment – How to Deploy a Contract from Another Contract Using Hardhat

that's right cuz it is transaction (blockchain state has been modified and return value is visible only in EVM). If you want to get address of contract B there are 2 possible solutions that are comming to my mind.

Create a event and emit it at the end of CreateB() and listen for event in your deploy script.

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;

contract A2 {
    event ContractBCreated(address contractBAddress); //creates event

    function CreateB() public {
        B b = new B(msg.sender, address(this));
        emit ContractBCreated(address(b)); //allows to read value from event
    }
}

contract B{

    address public parentA;
    address public owner;

    constructor(address _ownerOfB, address _a) {
        owner = _ownerOfB;
        parentA = _a;
    }
}

async function main() {
  const A = await ethers.getContractFactory("A2");
  const a = await A.deploy();
  
  const tx = await a.CreateB();
  const receipt = await tx.wait();
  console.log(receipt.events[0].args.contractBAddress); //read value from event
}

Create return view function that returns address and call it. It will work cuz this is not a transaction (blockchain won't be modified).

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.17;

contract A {
    B contractB;

    function CreateB() public {
        contractB = new B(msg.sender, address(this));
    }

    function getContracBAddress() public view returns(address) {
        return address(contractB);
    }
}

contract B{

    address public parentA;
    address public owner;

    constructor(address _ownerOfB, address _a) {
        owner = _ownerOfB;
        parentA = _a;
    }
}

async function main() {
  const A = await ethers.getContractFactory("A");
  const a = await A.deploy();
  
  await a.CreateB();
  console.log(await a.getContracBAddress());
}

Best Answer

Related Solutions

Gnosis Safe – Fixing “Safe Proxy Contract Not Deployed in Current Network” Error After Calling safeFactory.deploySafe()

Contract Deployment – How to Deploy a Contract from Another Contract Using Hardhat

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