Merge pull request #1416 from 0chain/fix-mint-nonce

default nonce as 0 when http badrequest occurs

wasmsdk/bridge.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/0chain/gosdk/zcnbridge"
 	"github.com/0chain/gosdk/zcnbridge/errors"
+	"github.com/0chain/gosdk/zcnbridge/log"
 	"github.com/0chain/gosdk/zcnbridge/transaction"
 	"github.com/0chain/gosdk/zcnbridge/wallet"
 	"github.com/0chain/gosdk/zcncore"
@@ -123,6 +124,7 @@ func getNotProcessedWZCNBurnEvents() string {
 		return errors.New("getNotProcessedWZCNBurnEvents", "failed to retreive last ZCN processed mint nonce").Error()
 	}
 
+	log.Logger.Debug("MintNonce = " + strconv.Itoa(int(mintNonce)))
 	burnEvents, err := bridge.QueryEthereumBurnEvents(strconv.Itoa(int(mintNonce)))
 	if err != nil {
 		return errors.Wrap("getNotProcessedWZCNBurnEvents", "failed to retreive WZCN burn events", err).Error()

zcnbridge/wallet/status.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"net/http"
 	"os"
 	"sync"
 
@@ -80,8 +81,16 @@ func (zcn *ZCNStatus) OnWalletCreateComplete(status int, wallet string, err stri
 	zcn.walletString = wallet
 }
 
-func (zcn *ZCNStatus) OnInfoAvailable(_ int, status int, info string, err string) {
+func (zcn *ZCNStatus) OnInfoAvailable(op int, status int, info string, err string) {
 	defer zcn.Wg.Done()
+
+	// If status is 400 for OpGetMintNonce, mintNonce is considered as 0
+	if op == zcncore.OpGetMintNonce && status == http.StatusBadRequest {
+		zcn.Err = nil
+		zcn.Success = true
+		return
+	}
+
 	if status != zcncore.StatusSuccess {
 		zcn.Err = errors.New(err)
 		zcn.Success = false

zcncore/transaction_query.go

@@ -535,6 +535,11 @@ func GetInfoFromSharders(urlSuffix string, op int, cb GetInfoCallback) {
 
 	qr, err := tq.GetInfo(context.TODO(), urlSuffix)
 	if err != nil {
+		if qr != nil && op == OpGetMintNonce {
+			logging.Debug("OpGetMintNonce QueryResult error", "; Content = ",  qr.Content, "; Error = ", qr.Error.Error(), "; StatusCode = ", qr.StatusCode)
+			cb.OnInfoAvailable(op, qr.StatusCode, "", qr.Error.Error())
+			return
+		}
 		cb.OnInfoAvailable(op, StatusError, "", err.Error())
 		return
 	}