wallet-web3/lib/wallet/walletlink/config.json

A dapp wallet provider

{
    "ropsten": {
        "id": 3,
        "http": "https://ropsten.infura.io/v3/9e332d39364f4491aec5414fcbc4def7"
    },
    "mainnet": {
        "id": 1,
        "http": "https://mainnet.infura.io/v3/9e332d39364f4491aec5414fcbc4def7"
    }
}