hardhat.config.ts

import { HardhatUserConfig } from "hardhat/config";
import dotenv from "dotenv";
import "@nomicfoundation/hardhat-toolbox";

dotenv.config();

const SEPOLIA_PRIVATE_KEY = process.env.PRIVATE_KEY;
const SEPOLIA_RPC_URL = process.env.SEPOLIA_RPC_URL;
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY;

const config: HardhatUserConfig = {
  solidity: "0.6.11",
  networks: {
    hardhat: {
      blockGasLimit: 12.5e6,
      initialBaseFeePerGas: 1000,
    },
    sepolia: {
      url: SEPOLIA_RPC_URL ? SEPOLIA_RPC_URL : "",
      chainId: 11155111,
      accounts: SEPOLIA_PRIVATE_KEY ? [SEPOLIA_PRIVATE_KEY] : [],
    },
  },
  etherscan: {
    apiKey: ETHERSCAN_API_KEY ? ETHERSCAN_API_KEY : undefined,
  },
};

export default config;