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-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 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)
// 已完成的提币数量，未扣除提币的手续费
fmt.Println("gas:", igp*igu)
// 已收到币的实际数量，扣除了提币的手续费
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：