Hardhat Viem plugin

This plugin integrates Viem into Hardhat, adding a viem object to each network connection.

Installation

To install this plugin, run the following command:

npm install --save-dev @nomicfoundation/hardhat-viem@next

and add the following statements to your hardhat.config.ts file:

// ...
import viemPlugin from "@nomicfoundation/hardhat-viem";

// ...

export default {
  // ...
  plugins: [
    // ...
    viemPlugin,
  ],

  // ...
};

Usage

This plugin defines a new viem property on every NetworkConnection object.

const { viem } = await hre.network.connect();

// public client
const publicClient = await networkConnection.viem.getPublicClient();
const balance = await publicClient.getBalance({
  address: "0x...",
});

// wallet client
const [walletClient1] = await networkConnection.viem.getWalletClients();
const hash = await walletClient1.sendTransaction({
  to: "0x...",
  value: "1000000000000000000",
});

// contracts
const counter = await viem.deployContract("Counter");
const x = await counter.read.x();
await counter.write.inc();
const xPlus1 = await counter.read.x();