区块链教程交易所基础开发通过接口查询币种的提币情况-etc

兄弟连区块链教程交易所基础开发通过接口查询币种的提币情况-etc
package main

import (
"fmt"

"github.com/buger/jsonparser"
"github.com/levigross/grequests"

)

// HTTPGet .
func HTTPGet(url string, requestOptions *grequests.RequestOptions) (response []byte, err error) {
httpResponse, err := grequests.Get(url, requestOptions)
if err == nil {
if httpResponse.StatusCode == 200 {
response = httpResponse.Bytes()
}
}
return
}

// EtcBlocksChainCheck 根据提币的数量，提币方地址以及目标方地址来检查提币是否已经confirmed.
// 返回值有两个：提币状态以及已收到的提币数量（扣除手续费）
func EtcBlocksChainCheck(withrawAmount float64, originalAddress string, targetAddress string) (status string, netWithdrawAmount float64, confirmations int64, err error) {
status = "online"
targetURL := fmt.Sprintf("https://etcchain.com/api/v1/getTransactionsByAddress?address=%s&sort=asc", targetAddress)
bData, err := HTTPGet(targetURL, nil)
if err != nil {
fmt.Println("error: HTTPGet targetURL failed.")
return
}
// fmt.Println(string(bData))

_, err = jsonparser.ArrayEach(bData, func(value []byte, dataType jsonparser.ValueType, offset int, e error) {
    _from, _, _, e := jsonparser.Get(value, "from")
    _to, _, _, e := jsonparser.Get(value, "to")
    _value, _, _, e := jsonparser.Get(value, "valueEther")
    _confirmations, _, _, e := jsonparser.Get(value, "confirmations")
    _fees, _, _, e := jsonparser.Get(value, "feeEther")

    from := string(_from)
    to := string(_to)
    v, e := jsonparser.GetFloat(_value)
    fees, e := jsonparser.GetFloat(_fees)

    if from == originalAddress && to == targetAddress && v == withrawAmount {
        fmt.Println("fees: ", fees)
        status = "comfirmed"
        netWithdrawAmount = v
        confirmations, e = jsonparser.GetInt(_confirmations)
        //fmt.Println(status)
        return
    }
})
return

}

func main() {
status, netReceiveAmount, confirmations, err := EtcBlocksChainCheck(0.931847144, "0x6b83f808fce08f51adb2e9e35a21a601e702785f", "0x4f0d74ecdceb209213ecc0cce6366c3bef1fce57")
if err != nil {
fmt.Println("request failed...")
return
}
fmt.Println(fmt.Sprintf("status: %s, net_withdraw_amount: %f, confirmations: %d", status, netReceiveAmount, confirmations))
}
效果如下：

原文地址：http://blog.51cto.com/12918475/2295947