區塊鏈教程證券交易所基礎開發通過介面查詢各個幣種的提幣情況-eth

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兄弟連區塊鏈教程證券交易所基礎開發通過介面查詢各個幣種的提幣情況-eth

package main

import (

"errors""fmt""math""strconv""strings""github.com/buger/jsonparser""github.com/levigross/grequests"

)

const min = 0.000000000001

func isEqual(f1, f2 float64) bool {

if f1 < f2 {    return isEqual(f2, f1)}return math.Dim(f1, f2) < min

}

// HTTPGet asfdadsf.

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

}

// EthBlocksChainCheck 根據提幣的數量，提幣方地址以及目標方地址來檢查提幣是否已經confirmed.

// 傳回值有兩個：提幣狀態以及已收到的提幣數量（扣除手續約）

func EthBlocksChainCheck(withdrawAmount float64, originalAddress string, targetAddress string) (status string, netWithdrawAmount float64, confirmations int64, err error) {

url := fmt.Sprintf("https://api.etherscan.io/api?module=account&action=txlist&address=%s&startblock=0&endblock=99999999&page=1&offset=10&sort=asc&apikey=YourApiKeyToken", targetAddress)bData, err := HTTPGet(url, nil)if err != nil {    return}transactions, _, _, err := jsonparser.Get(bData, "result")_, err = jsonparser.ArrayEach(transactions, 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, "value")    _txreceiptStatus, _, _, e := jsonparser.Get(value, "txreceipt_status")    _gasPrice, _, _, e := jsonparser.Get(value, "gasPrice")    _gasUsed, _, _, e := jsonparser.Get(value, "gasUsed")    _confirmations, _, _, e := jsonparser.Get(value, "confirmations")    sf := strings.ToLower(string(_from))    st := strings.ToLower(string(_to))    sv := strings.ToLower(string(_value))    iv, _ := strconv.ParseFloat(sv, 64)    sts := string(_txreceiptStatus)    sgp := string(_gasPrice)    igp, _ := strconv.ParseFloat(sgp, 64)    sgu := string(_gasUsed)    igu, _ := strconv.ParseFloat(sgu, 64)    sc := string(_confirmations)    if sf == strings.ToLower(originalAddress) && st == strings.ToLower(targetAddress) && isEqual(iv, withdrawAmount) {        // fmt.Println(sf, st, sv, iv, sgp, igp, sgu, igu, sc)        // 已完成的提幣數量，未扣除提幣的手續約        fmt.Println("gas:", igp*igu)        // 已收到幣的實際數量，扣除了提幣的手續約        fmt.Println("net_receive_amount:", iv)        if sts == "" || sts == "1" {            status = "confirmed"        } else {            status = "online"        }        netWithdrawAmount = iv        confirmations, _ = strconv.ParseInt(sc, 10, 64)    } else {        e = errors.New("this is a new error")    }})return

}

func main() {

status, netReceiveAmount, confirmations, err := EthBlocksChainCheck(10000000000000000000, "0xe026434251afc388882d82969126ec4569aa74cf", "0x7725e0bc98e61c47dceb1906be968492e8cd9080")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：

區塊鏈教程證券交易所基礎開發通過介面查詢各個幣種的提幣情況-eth