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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 { utils } from 'ethers';
import type { HardhatUserConfig } from 'hardhat/config';
import type { NetworkUserConfig } from 'hardhat/types';
import { resolve } from 'path';
// import 'hardhat-storage-layout';
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 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');
}
export const chainIds = {
'arbitrum-mainnet': 42161,
'arbitrum-goerli': 421613,
'zkSync-Era-Testnet': 280,
avalanche: 43114,
bsc: 56,
hardhat: 31337,
mainnet: 1,
'optimism-mainnet': 10,
'optimism-goerli': 420,
'polygon-mainnet': 137,
'polygon-mumbai': 80001,
sepolia: 11155111,
goerli: 5,
ganache: 1337,
};
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;
case 'arbitrum-goerli':
jsonRpcUrl = 'https://endpoints.omniatech.io/v1/arbitrum/goerli/public';
break;
case 'optimism-goerli':
jsonRpcUrl = 'https://optimism-goerli.public.blastapi.io';
break;
case 'zkSync-Era-Testnet':
jsonRpcUrl = 'https://testnet.era.zksync.dev';
break;
case 'ganache':
jsonRpcUrl = 'http://127.0.0.1:7545';
break;
default:
jsonRpcUrl = 'https://' + chain + '.infura.io/v3/' + infuraApiKey;
}
return {
accounts: {
count: 20,
mnemonic,
path: "m/44'/60'/0'/0",
},
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 || '',
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: {
currency: 'USD',
enabled: process.env.REPORT_GAS ? true : false,
excludeContracts: [],
coinmarketcap: process.env.COINMARKETCAP_KEY,
src: './contracts',
},
networks: {
hardhat: {
hardfork: 'shanghai',
accounts: {
mnemonic,
count: 20,
accountsBalance: utils.parseEther('100') + '',
},
chainId: chainIds.hardhat,
allowUnlimitedContractSize: false,
},
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'),
sepolia: getChainConfig('sepolia'),
goerli: getChainConfig('goerli'),
'arbitrum-goerli': getChainConfig('arbitrum-goerli'),
'optimism-goerli': getChainConfig('optimism-goerli'),
'era-goerli': getChainConfig('zkSync-Era-Testnet'),
ganache: getChainConfig('ganache'),
},
paths: {
artifacts: './artifacts',
cache: './cache',
sources: './contracts',
tests: './test',
},
solidity: {
version: '0.8.17',
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: 10,
},
viaIR: true,
},
},
typechain: {
target: 'ethers-v5',
},
mocha: {
timeout: 4000000000,
},
};
export default config;