hardhat.config.ts

import { HardhatUserConfig, HttpNetworkUserConfig } from "hardhat/types";
import "@nomiclabs/hardhat-etherscan";
import "@nomiclabs/hardhat-waffle";
import "solidity-coverage";
import "hardhat-deploy";
import { Wallet } from "@ethersproject/wallet";
import { setupSafeDeployer } from "hardhat-safe-deployer";

import dotenv from "dotenv";
// Load environment variables.
dotenv.config();
const { INFURA_KEY, MNEMONIC, MNEMONIC_PATH, ETHERSCAN_API_KEY, SAFE_SERVICE_URL, DEPLOYER_SAFE } = process.env;

setupSafeDeployer(
  Wallet.fromMnemonic(MNEMONIC!!, MNEMONIC_PATH),
  DEPLOYER_SAFE!!,
  SAFE_SERVICE_URL
)

import yargs from "yargs";
const argv = yargs
  .option("network", {
    type: "string",
    default: "hardhat",
  })
  .help(false)
  .version(false).argv;

const DEFAULT_MNEMONIC =
  "candy maple cake sugar pudding cream honey rich smooth crumble sweet treat";

const sharedNetworkConfig: HttpNetworkUserConfig = {};
sharedNetworkConfig.accounts = {
  mnemonic: MNEMONIC || DEFAULT_MNEMONIC,
};

if (["mainnet", "rinkeby", "kovan", "goerli"].includes(argv.network) && INFURA_KEY === undefined) {
  throw new Error(
    `Could not find Infura key in env, unable to connect to network ${argv.network}`,
  );
}

const userConfig: HardhatUserConfig = {
  paths: {
    artifacts: "build/artifacts",
    cache: "build/cache",
    deploy: "src/deploy",
    sources: "contracts",
  },
  solidity: {
    compilers: [
      { version: "0.7.6" },
      { version: "0.6.12" },
      { version: "0.5.17" },
    ]
  },
  networks: {
    hardhat: {
      allowUnlimitedContractSize: true,
      blockGasLimit: 100000000,
      gas: 100000000
    },
    mainnet: {
      ...sharedNetworkConfig,
      url: `https://mainnet.infura.io/v3/${INFURA_KEY}`,
    },
    xdai: {
      ...sharedNetworkConfig,
      url: "https://xdai.poanetwork.dev",
    },
    ewc: {
      ...sharedNetworkConfig,
      url: `https://rpc.energyweb.org`,
    },
    rinkeby: {
      ...sharedNetworkConfig,
      url: `https://rinkeby.infura.io/v3/${INFURA_KEY}`,
    },
    goerli: {
      ...sharedNetworkConfig,
      url: `https://goerli.infura.io/v3/${INFURA_KEY}`,
    },
    kovan: {
      ...sharedNetworkConfig,
      url: `https://kovan.infura.io/v3/${INFURA_KEY}`,
    },
    volta: {
      ...sharedNetworkConfig,
      url: `https://volta-rpc.energyweb.org`,
    },
  },
  namedAccounts: {
    deployer: DEPLOYER_SAFE!!,
  },
  mocha: {
    timeout: 2000000,
  },
  etherscan: {
    apiKey: ETHERSCAN_API_KEY,
  },
};
export default userConfig