hardhat.config.ts

import * as dotenvenc from '@chainlink/env-enc'
dotenvenc.config();

import { HardhatUserConfig } from 'hardhat/config';
import '@nomicfoundation/hardhat-toolbox';
import './tasks';

const PRIVATE_KEY = process.env.PRIVATE_KEY;
const ETHEREUM_SEPOLIA_RPC_URL = process.env.ETHEREUM_SEPOLIA_RPC_URL;
const POLYGON_MUMBAI_RPC_URL = process.env.POLYGON_MUMBAI_RPC_URL;
const OPTIMISM_GOERLI_RPC_URL = process.env.OPTIMISM_GOERLI_RPC_URL;
const ARBITRUM_TESTNET_RPC_URL = process.env.ARBITRUM_TESTNET_RPC_URL;
const AVALANCHE_FUJI_RPC_URL = process.env.AVALANCHE_FUJI_RPC_URL;

const config: HardhatUserConfig = {
  solidity: '0.8.19',
  networks: {
    hardhat: {
      chainId: 31337
    },
    ethereumSepolia: {
      url: ETHEREUM_SEPOLIA_RPC_URL !== undefined ? ETHEREUM_SEPOLIA_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 11155111
    },
    polygonMumbai: {
      url: POLYGON_MUMBAI_RPC_URL !== undefined ? POLYGON_MUMBAI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 80001
    },
    optimismGoerli: {
      url: OPTIMISM_GOERLI_RPC_URL !== undefined ? OPTIMISM_GOERLI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 420,
    },
    arbitrumTestnet: {
      url: ARBITRUM_TESTNET_RPC_URL !== undefined ? ARBITRUM_TESTNET_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 421613
    },
    avalancheFuji: {
      url: AVALANCHE_FUJI_RPC_URL !== undefined ? AVALANCHE_FUJI_RPC_URL : '',
      accounts: PRIVATE_KEY !== undefined ? [PRIVATE_KEY] : [],
      chainId: 43113
    }
  },
  typechain: {
    externalArtifacts: ['./abi/*.json']
  },
  paths: {
    sources: './contracts',
    tests: './test',
    cache: './cache',
    artifacts: './artifacts'
  },
};

export default config;