兄弟連區塊鏈入門到精通教程基礎開發通過介面查詢xrp提幣情況

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package mainimport ( "errors" "fmt" "math" "strconv" "strings" "github.com/buger/jsonparser" "github.com/levigross/grequests")const min = 0.000000000001func 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.// 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 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 := 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介面查詢xrp提幣情況