兄弟連區塊鏈入門到精通教程基礎開發通過接口查詢xrp提幣情況
阿新 • • 發佈：2018-10-10
tran package account nil print data 數量 兩個 %d
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
}
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
}
// XmrBlocksChainCheck 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.
// 返回值有兩個：提幣狀態以及已收到的提幣數量（扣除手續費）
func XrpBlocksChainCheck(withdrawAmount float64, originalAddress string, targetAddress string) (status string, netWithdrawAmount float64, confirmations int64, err error) {
url := fmt.Sprintf("http://api.etherscan.io/api?module=account&action=txlist&address=%s&startblock=0&endblock=99999999", 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，未扣除提幣的手續費
fmt.Println("gas:", igp*igu)
// 已收到幣的實際數量，扣除了提幣的手續費
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 := XrpBlocksChainCheck(53000000000000000, "0x8a62f1bad85d968c218abf0f44156a48f4b5512c", "0xf24246e0d5399ea85dbdadcfdbc9e8f14490db58")
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：
兄弟連區塊鏈入門到精通教程基礎開發通過接口查詢xrp提幣情況