区块链教程交易所基础开发通过接口查询各个币种的提币情况-btc

　　兄弟连区块链教程交易所基础开发通过接口查询各个币种的提币情况-btc“区块链+时代无疑会是下一个风口，然而现在的区块链行业专业型人才正在遭遇瓶颈”兄弟连教育区块链培训学院院长尹成表示，“希望能通过兄弟连教育区块链学院为社会为企业培养并输送更多优质的区块链高精尖型技术。
package main

import (
"fmt"
"strconv"

"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
}

// RemoveTailZeroCharacter .
func RemoveTailZeroCharacter(s string) string {
for i := len(s) - 1; i >= 0; i-- {
if s[i] != '0' {
return s[:i+1]
}
}
return "0"
}

// BtcBlocksChainCheck 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 BtcBlocksChainCheck(withdrawAmount float64, originalAddress string, targetAddress string) (status string, netWithdrawAmount float64, err error) {
url := fmt.Sprintf("https://blockchain.info/rawaddr/%s", targetAddress)
bData, err := HTTPGet(url, nil)
if err != nil {
return
}
transactions, , , err := jsonparser.Get(bData, "txs")
jsonparser.ArrayEach(transactions, func(value []byte, dataType jsonparser.ValueType, offset int, e error) {
inputs, , , e := jsonparser.Get(value, "inputs")
outs, , , e := jsonparser.Get(value, "out")
var totalIn, totalOut, missedTotalIn float64
jsonparser.ArrayEach(inputs, func(ipt []byte, dataType jsonparser.ValueType, offset int, e error) {
prevOut, , , e := jsonparser.Get(ipt, "prev_out")
addr, , _, e := jsonparser.Get(prevOut, "addr")
spent, , _, e := jsonparser.Get(prevOut, "spent")
value, , _, e := jsonparser.Get(prevOut, "value")

        a, e := jsonparser.GetBoolean(_spent)
        b := string(_addr)
        c, e := jsonparser.GetFloat(_value)
        if a && b == originalAddress {
            totalIn += c
        }

    })

    jsonparser.ArrayEach(outs, func(out []byte, dataType jsonparser.ValueType, offset int, e error) {
        _addr, _, _, e := jsonparser.Get(out, "addr")
        _spent, _, _, e := jsonparser.Get(out, "spent")
        _value, _, _, e := jsonparser.Get(out, "value")

        a, e := jsonparser.GetBoolean(_spent)
        b := string(_addr)
        c, e := jsonparser.GetFloat(_value)
        if a && b == targetAddress {
            totalOut += c
        }
        if !a && b == originalAddress {
            missedTotalIn += c
        }
    })

    if totalIn > 0 && totalOut > 0 {
        netTotalIn := totalIn - missedTotalIn

        strWithdrawAmount := strconv.FormatFloat(withdrawAmount*1e15, 'f', 0, 64)
        strNetTotalIn := strconv.FormatFloat(netTotalIn*1e5, 'f', 0, 64)
        strTotalOut := strconv.FormatFloat(totalOut*1e5, 'f', 0, 64)

        strWithdrawAmount = RemoveTailZeroCharacter(strWithdrawAmount) // 去除字符串尾部的0字符
        strNetTotalIn = RemoveTailZeroCharacter(strNetTotalIn)
        strTotalOut = RemoveTailZeroCharacter(strTotalOut)

        floatWithdrawAmount, _ := strconv.ParseFloat(strWithdrawAmount, 64)
        floatNetTotalIn, _ := strconv.ParseFloat(strNetTotalIn, 64)
        floatTotalOut, _ := strconv.ParseFloat(strTotalOut, 64)
        scale := floatWithdrawAmount / withdrawAmount
        finishedWithdrawAmount := floatNetTotalIn / scale
        netReceiveAmount := floatTotalOut / scale

        // 已完成的提币数量，未扣除提币的手续费
        fmt.Println("finished_withdraw_amount:", finishedWithdrawAmount)
        // 已收到币的实际数量，扣除了提币的手续费
        fmt.Println("net_receive_amount:", netReceiveAmount)
        if withdrawAmount == finishedWithdrawAmount {
            status = "confirmed"
        } else {
            status = "online"
        }
        netWithdrawAmount = netReceiveAmount
        return
    }
})
return

}

func main() {
status, netReceiveAmount, err := BtcBlocksChainCheck(0.04907017, "3BMEXebzKg6WbeUiGmZ8n8rzhu4Axutaf2", "35TWgWwVeU7mu6JZvGzRgwx1W6dw4F6xXx")
if err != nil {
fmt.Println("request failed...")
} else {
fmt.Println(fmt.Sprintf("status: %s, net_withdraw_amount: %f", status, netReceiveAmount))
}
}

效果如下：