Interface Description：

• Get the market depth of contract trading

Request URL：

• https://apiv2.bitz.com/Market/getContractOrderBook

Request Mode：

• GET

Parameter：

Request Example：

• https://apiv2.bitz.com/Market/getContractOrderBook?contractId=101&depth=5

Example of Return Result：

{
    "status":200,
    "msg":"",
    "data":{
          "bids":[
            {
               "price":"8201.32",//best bid price
                "amount":"2820"//best bid amount
            },
            ...
        ],
        "asks":[
            {
                "price":"8202.14",//best ask price
                "amount":"4863"//best ask amount
            },
            ...
        ]
    }
    "time": 1532671288,
    "microtime": "0.23065700 1532671288",
    "source": "api"
}