wallet-collect/lib/wallet/near/config.json

A dapp wallet provider

{
    "mainnet": {
        "near_config": {
            "networkId": "mainnet",
            "nodeUrl": "https://rpc.mainnet.near.org",
            "walletUrl": "https://wallet.mainnet.near.org",
            "helperUrl": "https://helper.mainnet.near.org",
            "explorerUrl": "https://explorer.mainnet.near.org"
        }
    },
    "testnet": {
        "near_config": {
            "networkId": "testnet",
            "nodeUrl": "https://rpc.testnet.near.org",
            "walletUrl": "https://wallet.testnet.near.org",
            "helperUrl": "https://helper.testnet.near.org",
            "explorerUrl": "https://explorer.testnet.near.org"
        }
    }
}