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hardhat.config.ts
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hardhat.config.ts
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import { HardhatUserConfig } from 'hardhat/config'
import '@nomicfoundation/hardhat-toolbox'
import '@nomicfoundation/hardhat-chai-matchers'
import * as dotenv from 'dotenv'
import './utils/assert'
dotenv.config()
const MAINNET_RPC_URL = process.env.RPC_URL
const HOLESKY_RPC_URL = process.env.HOLESKY_RPC_URL
if (!MAINNET_RPC_URL && !HOLESKY_RPC_URL) {
throw new Error(`RPC url was not provided. Please, ensure the .env file is filled correctly.`)
}
const WALLET_PRIVATE_KEY = process.env.WALLET_PRIVATE_KEY
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY
const config: HardhatUserConfig = {
solidity: {
version: '0.8.23',
settings: {
optimizer: {
enabled: true,
runs: 200,
}
}
},
networks: {
mainnet: {
url: process.env.RPC_URL,
accounts: WALLET_PRIVATE_KEY ? [WALLET_PRIVATE_KEY] : [],
},
hardhat: {
forking: {
url: process.env.RPC_URL!,
},
},
},
etherscan: {
apiKey: ETHERSCAN_API_KEY,
customChains: [
{
network: "holesky",
chainId: 17000,
urls: {
apiURL: "https://api-holesky.etherscan.io/api",
browserURL: "https://holesky.etherscan.io"
}
}
]
},
}
if (MAINNET_RPC_URL) {
config.networks!.mainnet = {
url: MAINNET_RPC_URL,
accounts: WALLET_PRIVATE_KEY ? [WALLET_PRIVATE_KEY] : undefined,
}
config.networks!.hardhat = {
forking: {
url: MAINNET_RPC_URL,
blockNumber: 18720000,
},
}
}
if (HOLESKY_RPC_URL) {
config.networks!.holesky = {
url: HOLESKY_RPC_URL,
accounts: WALLET_PRIVATE_KEY ? [WALLET_PRIVATE_KEY] : undefined,
}
}
export default config