const NetworkDefinition = { rinkeby: { url: "https://rinkeby.infura.io/v3/*******your-api-key*******", accounts: { mnemonic: "test test test test test test test test test test test junk" } }, polygon: { url: "https://polygon.infura.io/v3/*******your-api-key*******", accounts: { mnemonic: "test test test test test test test test test test test junk" } } } const EtherscanConfig = { apiKey: "YOUR_ETHERSCAN_API_KEY" } export { NetworkDefinition, EtherscanConfig }