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hardhat.config.ts
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hardhat.config.ts
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import "@nomicfoundation/hardhat-toolbox";
import { config as dotenvConfig } from "dotenv";
import type { HardhatUserConfig } from "hardhat/config";
import type { NetworkUserConfig } from "hardhat/types";
import { resolve } from "path";
import "./tasks/accounts";
import "./tasks/deploy";
const dotenvConfigPath: string = process.env.DOTENV_CONFIG_PATH || "./.env";
dotenvConfig({ path: resolve(__dirname, dotenvConfigPath) });
// Ensure that we have all the environment variables we need.
const privateKey1: string = process.env.ACCOUNT_PRIVATE_KEY_1 || "";
const privateKey2: string = process.env.ACCOUNT_PRIVATE_KEY_2 || "";
if (!privateKey1 || !privateKey2) {
throw new Error("Please set your ACCOUNT_PRIVATE_KEY in a .env file");
}
const alchemyApiKey: string | undefined = process.env.ALCHEMY_API_KEY;
if (!alchemyApiKey) {
throw new Error("Please set your ALCHEMY_API_KEY in a .env file");
}
const chainIds = {
"arbitrum-mainnet": 42161,
avalanche: 43114,
bsc: 56,
goerli: 5,
hardhat: 31337,
mainnet: 1,
"optimism-mainnet": 10,
"polygon-mainnet": 137,
"polygon-mumbai": 80001,
};
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://eth-rinkeby.alchemyapi.io/v2/${alchemyApiKey}`;
}
return {
accounts: [privateKey1, privateKey2],
chainId: chainIds[chain],
url: jsonRpcUrl,
};
}
const config: HardhatUserConfig = {
defaultNetwork: "hardhat",
etherscan: {
apiKey: {
arbitrumOne: process.env.ARBISCAN_API_KEY || "",
avalanche: process.env.SNOWTRACE_API_KEY || "",
bsc: process.env.BSCSCAN_API_KEY || "",
goerli: process.env.ETHERSCAN_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 || "",
},
},
gasReporter: {
currency: "USD",
enabled: process.env.REPORT_GAS ? true : false,
excludeContracts: [],
src: "./contracts",
},
networks: {
hardhat: {
chainId: chainIds.hardhat,
},
arbitrum: getChainConfig("arbitrum-mainnet"),
avalanche: getChainConfig("avalanche"),
bsc: getChainConfig("bsc"),
goerli: getChainConfig("goerli"),
mainnet: getChainConfig("mainnet"),
optimism: getChainConfig("optimism-mainnet"),
"polygon-mainnet": getChainConfig("polygon-mainnet"),
"polygon-mumbai": getChainConfig("polygon-mumbai"),
},
paths: {
artifacts: "./artifacts",
cache: "./cache",
sources: "./contracts",
tests: "./test",
},
solidity: {
version: "0.8.15",
settings: {
metadata: {
// Not including the metadata hash
// https://github.com/paulrberg/hardhat-template/issues/31
bytecodeHash: "none",
},
// Disable the optimizer when debugging
// https://hardhat.org/hardhat-network/#solidity-optimizer-support
optimizer: {
enabled: true,
runs: 800,
},
},
},
typechain: {
outDir: "src/types",
target: "ethers-v5",
},
};
export default config;