leanwork working properly now

debug.go

+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+func logRequestDebug(data []byte, err error) {
+	if err == nil {
+		fmt.Printf("%s\n\n", string(data))
+	} else {
+		log.Fatalf("%s\n\n", err)
+	}
+}

leanworkOut.go

 	form.Set("orderAmount", m.OrderAmount)
 	form.Set("orderCurrency", m.OrderCurrency)
 	form.Set("transactionId", m.TransactionId)
+	form.Set("status", m.Status)
 	form.Set("sign", m.Sign)
 
 	lin, err := getLeanworkInById(m.Leanwork) //which is very unlikely
 	} else if ri.Pay_result == "1" {
 		ret.Status = "processing"
 	}
-
+	ret.UpdateSignature()
 	return
 }
 
+func (m *LeanworkOut) UpdateSignature() {
+	s := m.SignType + m.OrderNo + m.OrderAmount + m.OrderCurrency + m.TransactionId + m.Status + Config.LeanWork.MD5Key
+	m.Sign = md5str(s)
+}
+
 func (m *LeanworkOut) add2db() (ret LeanworkOut, err error) {
 	if err = db.conn(Config); err != nil {
 		return

purchase.go

 		fmt.Fprintf(w, "invalid request")
 		return
 	}
+
+	//debugStartLeanworkCallBack(row)
 	askForPaymentSelection(w, row)
 	return
 

purchase_debug.go

+package main
+
+import (
+	"log"
+	"time"
+)
+
+func buildLeanworkOutByIn(in LeanworkIn) (ret LeanworkOut) {
+	ret.Leanwork = in.Id
+	ret.SignType = "MD5"
+	ret.OrderNo = in.OrderNo
+	ret.OrderAmount = in.OrderAmount
+	ret.OrderCurrency = in.OrderCurrency
+	ret.TransactionId = "DEMO" + time.Now().Format("20060102150405")
+	ret.Status = "success"
+	ret.UpdateSignature()
+	return
+}
+
+func debugStartLeanworkCallBack(li LeanworkIn) {
+	lo := buildLeanworkOutByIn(li)
+
+	if lo.Status != "success" {
+		log.Printf("Warning: Leanwork Status is not Success, skip notify leanwork %+v", lo)
+		return
+	}
+
+	for i := 1; i <= 1; i++ {
+		retry, err := lo.DoHttp()
+		if !retry {
+			break
+		}
+		time.Sleep(5 * time.Minute) //sleep 5 minute and try again
+		log.Printf("Trying(%d) to report leanwork about transaction status %+v, encountered error %s \n", i, lo, err.Error())
+	}
+}

rpn.go

 	return
 }
 
-func logRequestDebug(data []byte, err error) {
-	if err == nil {
-		fmt.Printf("%s\n\n", string(data))
-	} else {
-		log.Fatalf("%s\n\n", err)
-	}
-}
-
 //receive RPN user name and card number
 func rpnNameAndCard(w http.ResponseWriter, r *http.Request) {
 	if r.Method != "POST" {