import { InjectedConnector } from "@web3-react/injected-connector"; import { NetworkConnector } from "@web3-react/network-connector"; const POLLING_INTERVAL = 12000; const RPC_URLS = { 1: "https://eth-mainnet.alchemyapi.io/v2/k2--UT_xVVXMOvAyoxJYqtKhlmyBbqnX", 4: "https://rinkeby.infura.io/v3/bd80ce1ca1f94da48e151bb6868bb150" }; export const injected = new InjectedConnector({ supportedChainIds: [1, 3, 4, 5, 42] }); export const network = new NetworkConnector({ urls: { 1: RPC_URLS[1], 4: RPC_URLS[4] }, defaultChainId: 1, pollingInterval: POLLING_INTERVAL });