[Deployment] deploying contract with viem

[wighawag]

Environment

Testnet

zkSolc Version

any

zksync-ethers Version

not relevant

Hardhat.config.ts

not relevant

Deployment Script (WITHOUT PRIVATE KEY)

import { createWalletClient, custom, http } from 'viem';
import { privateKeyToAccount, generatePrivateKey } from 'viem/accounts';
import { zkSyncSepoliaTestnet } from 'viem/chains';
import { eip712WalletActions } from 'viem/zksync';
import Greeter from './Greeter';

async function setupWithWindowEthereum() {
  const transport = custom(window.ethereum); //http('https://sepolia.era.zksync.dev');
  const walletClient = createWalletClient({
    chain: zkSyncSepoliaTestnet,
    transport,
  }).extend(eip712WalletActions());
  await walletClient.request({ method: 'eth_requestAccounts' });
  const [account] = await walletClient.getAddresses();
  return { transport, account, walletClient };
}

async function setupWithLocalWallet() {
  const transport = http('https://sepolia.era.zksync.dev');
  const account = privateKeyToAccount(generatePrivateKey());
  const walletClient = createWalletClient({
    account,
    transport,
    chain: zkSyncSepoliaTestnet,
  }).extend(eip712WalletActions());

  return { transport, account, walletClient };
}

async function testWithLocalAccount() {
  const { walletClient, account } = await setupWithLocalWallet();
  const txHash = await walletClient.deployContract({
    account,
    abi: Greeter.abi,
    bytecode: Greeter.bytecode,
    args: ['hello'],
  });
  return `txHash : ${txHash}`;
}

async function testWithWindowEthereum() {
  const { walletClient, account } = await setupWithWindowEthereum();
  const txHash = await walletClient.deployContract({
    account,
    abi: Greeter.abi,
    bytecode: Greeter.bytecode,
    args: ['hello'],
  });
  return `txHash : ${txHash}`;
}

export async function execute() {
  await testWithWindowEthereum();
  // await testWithLocalAccount();
}

Package.json

{
  "name": "viem-example",
  "private": true,
  "version": "0.0.0",
  "type": "module",
  "scripts": {
    "dev": "vite"
  },
  "dependencies": {
    "viem": "2.9.15"
  },
  "devDependencies": {
    "typescript": "^5.4.5",
    "vite": "^5.2.8"
  }
}

Contract Code

agma solidity ^0.8.0;

import "hardhat/console.sol";

contract Greeter {
    string private greeting;

    constructor(string memory _greeting) {
        console.log("Deploying a Greeter with greeting:", _greeting);
        greeting = _greeting;
    }

    function greet() public view returns (string memory) {
        return greeting;
    }

    function setGreeting(string memory _greeting) public {
        console.log("Changing greeting from '%s' to '%s'", greeting, _greeting);
        greeting = _greeting;
    }
}

Does this work on other EVMs? (If yes, please list at least 1 of them)

yes

Description of What Your Contract Does

not relevant

Repo Link (Optional)

https://stackblitz.com/edit/viem-getting-started-ydrgsr?file=index.ts

Additional Details

I can't get viem to deploy a simple contract

See issue comment on viem repo : wevm/viem#1887 (comment)

Their doc does not seems to be correct: https://viem.sh/zksync/actions/deployContract

Reproduction : https://stackblitz.com/edit/viem-getting-started-ydrgsr?file=index.ts

the doc here does not describe how to deploy either : https://docs.zksync.io/build/tutorials/tooling-guides/viem.html

[dutterbutter]

Hey @wighawag have you seen the other answered discussions regarding viem deployment: #433

We are actively working to make deployment more convenient with viem to improve the experience.

[wighawag]

I did not see that, thanks for pointing out. I ll check if the answer solve my issue too and report back

[wighawag]

It works, thanks, I updated the stackblitz example and like the answer said, I had to add

gasPerPubdata:, gasPerPubdata
    maxFeePerGas: gasPrice,
    maxPriorityFeePerGas: gasPrice,