获取BTC矿池公共信息2

URL: 
/api/network/hashrate

METHOD: 
GET

RESULT:
[
    {
        "diffculty": "113757508810854",
        "blockReward": 3.125,
        "blockRewardFPPS": 3.15206768,
        "networkHashrate": "850810718614301835264",
        "coin": "btc",
        "theoreticalIncome": 5.6e-7,
        "height": 890513
    }
]