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hardhat.config.ts
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hardhat.config.ts
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import "@nomicfoundation/hardhat-toolbox";
import "@nomiclabs/hardhat-etherscan";
import "@openzeppelin/hardhat-upgrades";
import "@typechain/hardhat";
import { config as dotenvConfig } from "dotenv";
import "hardhat-gas-reporter";
import { HardhatUserConfig } from "hardhat/config";
import { NetworkUserConfig } from "hardhat/types";
import { resolve } from "path";
import "solidity-coverage";
//https://hardhat.org/guides/create-task.html
import "./scripts/accounts";
const DEFAULT_GAS_MULTIPLIER: number = 1;
dotenvConfig({ path: resolve(__dirname, "./.env") });
// Ensure that we have all the environment variables we need.
const mnemonic: string | undefined = process.env.MNEMONIC;
if (!mnemonic) {
throw new Error("Please set your MNEMONIC in a .env file");
}
const infuraApiKey: string | undefined = process.env.INFURA_API_KEY;
if (!infuraApiKey) {
throw new Error("Please set your INFURA_API_KEY in a .env file");
}
const chainIds = {
//"arbitrum-mainnet": 42161,
// avalanche: 43114,
// bsc: 56,
hardhat: 31337,
mainnet: 1,
// "optimism-mainnet": 10,
"polygon-mainnet": 137,
"polygon-mumbai": 80001,
sepolia: 11155111,
goerli: 5,
};
function getChainConfig(chain: keyof typeof chainIds): NetworkUserConfig {
let jsonRpcUrl: string;
switch (chain) {
// case "avalanche":
// jsonRpcUrl = "https://api.avax.network/ext/bc/C/rpc";
// break;
// case "bsc":
// jsonRpcUrl = "https://bsc-dataseed1.binance.org";
// break;
default:
jsonRpcUrl = "https://" + chain + ".infura.io/v3/" + infuraApiKey;
}
return {
// accounts: {
// count: 10,
// //mnemonic,
// path: "m/44'/60'/0'/0",
// },
chainId: chainIds[chain],
url: jsonRpcUrl,
};
}
const config: HardhatUserConfig = {
solidity: {
version: "0.8.15",
settings: {
optimizer: {
enabled: true,
runs: 200,
},
},
},
defaultNetwork: "hardhat",
etherscan: {
apiKey: {
arbitrumOne: process.env.ARBISCAN_API_KEY || "",
avalanche: process.env.SNOWTRACE_API_KEY || "",
bsc: process.env.BSCSCAN_API_KEY || "",
mainnet: process.env.ETHERSCAN_API_KEY || "",
optimisticEthereum: process.env.OPTIMISM_API_KEY || "",
polygon: process.env.POLYGONSCAN_API_KEY || "",
polygonMumbai: process.env.POLYGONSCAN_API_KEY || "",
sepolia: process.env.ETHERSCAN_API_KEY || "",
goerli: process.env.ETHERSCAN_API_KEY || "",
},
},
gasReporter: {
enabled: true, //process.env.REPORT_GAS ? true : false,
gasPriceApi: process.env.GASPRICE_API_ENDPOINT,
coinmarketcap: process.env.COINMARKETCAP_API_KEY,
showTimeSpent: true,
showMethodSig: true,
token: "ETH",
currency: "USD",
excludeContracts: [],
src: "./contracts",
},
networks: {
hardhat: {
accounts: {
//mnemonic,
},
chainId: chainIds.hardhat,
},
truffle: {
url: "http://localhost:24012/rpc",
timeout: 60000,
gasMultiplier: DEFAULT_GAS_MULTIPLIER,
},
// arbitrum: getChainConfig("arbitrum-mainnet"),
// avalanche: getChainConfig("avalanche"),
// bsc: getChainConfig("bsc"),
mainnet: getChainConfig("mainnet"),
// optimism: getChainConfig("optimism-mainnet"),
"polygon-mainnet": getChainConfig("polygon-mainnet"),
"polygon-mumbai": getChainConfig("polygon-mumbai"),
goerli: getChainConfig("goerli"),
sepolia: getChainConfig("sepolia"),
},
paths: {
artifacts: "./artifacts",
cache: "./cache",
sources: "./contracts",
tests: "./test",
},
};
export default config;