hardhat.config.ts

import 'dotenv/config';
import '@enzymefinance/hardhat/plugin';
import "@typechain/hardhat";

import { utils } from 'ethers';
// import { HardhatUserConfig } from 'hardhat/types';
require('@nomiclabs/hardhat-etherscan');

function node(networkName: string) {
  const fallback = 'http://localhost:8545';
  const uppercase = networkName.toUpperCase();
  const uri = process.env[`ETHEREUM_NODE_${uppercase}`] || process.env.ETHEREUM_NODE || fallback;
  return uri.replace('{{NETWORK}}', networkName);
}

function accounts(networkName: string) {
  const uppercase = networkName.toUpperCase();
  const accounts = process.env[`ETHEREUM_ACCOUNTS_${uppercase}`] || process.env.ETHEREUM_ACCOUNTS || '';
  return accounts
    .split(',')
    .map((account) => account.trim())
    .filter(Boolean);
}

function bscNode(networkName: string) {
  const fallback = 'http://127.0.0.1:8545';
  const uppercase = networkName.toUpperCase();
  console.log('bscnode: ', process.env[`BSC_NODE_${uppercase}`]);
  const uri = process.env[`BSC_NODE_${uppercase}`] || process.env.ETHEREUM_NODE || fallback;
  return uri.replace('{{NETWORK}}', networkName);
}

function bscAccounts(networkName: string) {
  const uppercase = networkName.toUpperCase();
  const accounts = process.env[`BSC_ACCOUNTS_${uppercase}`] || process.env.ETHEREUM_ACCOUNTS || '';
  return accounts
    .split(',')
    .map((account) => account.trim())
    .filter(Boolean);
}

const config: any = {
  codeCoverage: {
    exclude: ['/mock/i'], // Ignore anything with the word "mock" in it.
  },
  codeGenerator: {
    abi: {
      path: './packages/protocol/artifacts',
    },
    bytecode: {
      path: './packages/protocol/artifacts',
    },
    clear: true,
    enabled: true,
    include: [
      // Explicitly allow inclusion of core release interfaces.
      'IDerivativePriceFeed',
      'IExtension',
      'IIntegrationAdapter',
      'IFee',
      'IPolicy',
      'IPrimitivePriceFeed',

      // TODO: Re-evaluate whether we should include these at all.
      'IMigrationHookHandler',
      'IMigratableVault',
      'IAlphaHomoraV1Bank',
      'IIdleTokenV4',
      'IChainlinkAggregator',
      'IMakerDaoPot',
      'IUniswapV2Factory',
      'IUniswapV2Pair',
      'IUniswapV2Router2',
      'IKyberNetworkProxy',
      'ICERC20',
      'ICEther',
      'ISynthetix',
      'ISynthetixAddressResolver',
      'ISynthetixDelegateApprovals',
      'ISynthetixExchangeRates',
      'ISynthetixExchanger',
      'ISynthetixProxyERC20',
      'ISynthetixSynth',
      'ICurveAddressProvider',
      'ICurveLiquidityGaugeV2',
      'ICurveLiquidityPool',
      'ICurveRegistry',
      'ICurveStableSwapSteth',
      'IYearnVaultV2',
    ],
    options: {
      ignoreContractsWithoutAbi: true,
      ignoreContractsWithoutBytecode: true,
    },
    typescript: {
      path: './packages/protocol/src/codegen',
    },
  },
  contractSizer: {
    disambiguatePaths: false,
  },
  namedAccounts: {
    deployer: 0,
  },
  typechain: {
    target: "ethers-v5",
  },
  networks: {
    hardhat: {
      hardfork: 'istanbul',
      accounts: {
        accountsBalance: utils.parseUnits('1', 36).toString(),
        count: 5,
      },
      forking: {
        blockNumber: 1000,
        url: bscNode('mainnet'), // May 31, 2021
      },
      gas: 9500000,
      gasPrice: 1000000, // TODO: Consider removing this again.
      ...(process.env.COVERAGE && {
        allowUnlimitedContractSize: true,
      }),
    },
    kovan: {
      hardfork: 'istanbul',
      accounts: accounts('kovan'),
      url: node('kovan'),
    },
    mainnet: {
      hardfork: 'istanbul',
      accounts: accounts('mainnet'),
      url: node('mainnet'),
    },
    bscmainnet: {
      hardfork: 'istanbul',
      accounts: bscAccounts('mainnet'),
      url: bscNode('mainnet'),
    },
    bsctestnet: {
      hardfork: 'istanbul',
      accounts: bscAccounts('testnet'),
      url: bscNode('testnet'),
    },
  },
  paths: {
    deploy: 'deploy/scripts',
  },
  solidity: {
    settings: {
      optimizer: {
        details: {
          yul: false,
        },
        enabled: true,
        runs: 200,
      },
    },
    version: '0.6.12',
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
};

export default config;