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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 "dotenv/config";
const INFURA_API_KEY = process.env.INFURA_API_KEY || "";
const ALCHEMY_API_KEY = process.env.ALCHEMY_API_KEY || "";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "";
// const AVALANCHESCAN_API_KEY = process.env.AVALANCHESCAN_API_KEY || "";
// const BSCSCAN_API_KEY = process.env.BSCSCAN_API_KEY || "";
// const POLYGONSCAN_API_KEY = process.env.POLYGONSCAN_API_KEY || "";
const config: HardhatUserConfig = {
solidity: "0.8.23",
networks: {
sepolia: {
url: `https://eth-sepolia.g.alchemy.com/v2/${ALCHEMY_API_KEY}`,
accounts: [process.env.PRIVATE_KEY || ""],
},
// Polygon testnet
polygon: {
url: `https://polygon-mumbai.infura.io/v3/${INFURA_API_KEY}`,
accounts: [process.env.PRIVATE_KEY || ""],
},
// BNB Chain (formerly Binance Smart Chain) testnet
bnb: {
url: "https://data-seed-prebsc-1-s1.bnbchain.org:8545",
chainId: 97,
gasPrice: 20000000000,
accounts: [process.env.PRIVATE_KEY || ""],
},
// Avalanche C-chain testnet (Fuji)
avalanche: {
url: `https://avalanche-fuji.infura.io/v3/${INFURA_API_KEY}`,
accounts: [process.env.PRIVATE_KEY || ""],
},
},
etherscan: {
apiKey: ETHERSCAN_API_KEY,
// apiKey: AVALANCHESCAN_API_KEY,
// apiKey: BSCSCAN_API_KEY,
// apiKey: POLYGONSCAN_API_KEY,
},
};
export default config;