hardhat.config.ts

import "@nomicfoundation/hardhat-toolbox-viem";
import { HardhatUserConfig, task, vars } from "hardhat/config";
import { HardhatRuntimeEnvironment } from "hardhat/types";

const INFURA_API_KEY = vars.get("INFURA_API_KEY");
const ETHERSCAN_API_KEY = vars.get("ETHERSCAN_API_KEY");
const WALLET_PRIVATE_KEY = vars.get("WALLET_PRIVATE_KEY");

type WalletClientsTaskArgs = {
	message: string;
};

task("wallet-clients", "Prints the list of accounts")
	.addParam("message", "A message to log")
	.setAction(
		async (taskArgs: WalletClientsTaskArgs, hre: HardhatRuntimeEnvironment) => {
			const accounts = await hre.viem.getWalletClients();
			for (const account of accounts) {
				console.log(account.account.address);
			}
			console.log(taskArgs.message);
		},
	);

const config: HardhatUserConfig = {
	solidity: "0.8.24",
	etherscan: {
		apiKey: ETHERSCAN_API_KEY,
	},
	networks: {
		sepolia: {
			url: `https://sepolia.infura.io/v3/${INFURA_API_KEY}`,
			accounts: [WALLET_PRIVATE_KEY],
		},
	},
	sourcify: {
		enabled: true,
	},
};

export default config;