fix bug with non latin titles for claim names

hard exit when a duplicate name is attempted

manager/manager.go

@@ -209,6 +209,7 @@ func (s *SyncManager) Start() error {
 					"failure uploading wallet",
 					"the channel in the wallet is different than the channel in the database",
 					"this channel does not belong to this wallet!",
+					"You already have a stream claim published under the name",
 				}
 				if util.SubstringInSlice(err.Error(), fatalErrors) {
 					return errors.Prefix("@Nikooo777 this requires manual intervention! Exiting...", err)

manager/ytsync.go

@@ -754,6 +754,7 @@ func (s *Sync) startWorker(workerNum int) {
 					"cannot concatenate 'str' and 'NoneType' objects",
 					"more than 90% of the space has been used.",
 					"Couldn't find private key for id",
+					"You already have a stream claim published under the name",
 				}
 				if util.SubstringInSlice(err.Error(), fatalErrors) || s.Manager.SyncFlags.StopOnError {
 					s.grp.Stop()

namer/names.go

@@ -43,9 +43,16 @@ func (n *Namer) GetNextName(prefix string) string {
 	}
 
 	//if for some reasons the title can't be converted in a valid claim name (too short or not latin) then we use a hash
+	attempt = 1
 	if len(name) < 2 {
 		sum := md5.Sum([]byte(prefix))
-		name = fmt.Sprintf("%s-%d", hex.EncodeToString(sum[:])[:15], attempt)
+		for {
+			name = fmt.Sprintf("%s-%d", hex.EncodeToString(sum[:])[:15], attempt)
+			if _, exists := n.names[name]; !exists {
+				break
+			}
+			attempt++
+		}
 	}
 
 	n.names[name] = true