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hardhat.config.js
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require("@nomicfoundation/hardhat-toolbox");
require("@openzeppelin/hardhat-upgrades");
require("dotenv").config();
/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
// solidity: "0.8.19",
solidity: {
compilers: [
{
version: "0.8.18",
},
{
version: "0.8.19"
},
// {
// version: "0.9.0",
// options: {} // Optionally add more options
// }
],
},
networks: {
localhost: {
url: "http://127.0.0.1:8545",
},
mumbai: {
url: process.env.MUMBAI_TESNET_URL,
accounts: [process.env.PRIVATE_KEY],
timeout: 0,
gas: "auto",
gasPrice: "auto",
},
sepolia: {
url: process.env.SEPOLIA_TESNET_URL,
accounts: [process.env.PRIVATE_KEY || ""],
timeout: 0,
gas: "auto",
gasPrice: "auto",
},
},
etherscan: {
apiKey: {
polygonMumbai: process.env.API_KEY_POLYGONSCAN,
sepolia: process.env.API_KEY_ETHERSCAN,
goerli: process.env.API_KEY_ETHERSCAN,
},
},
};