add sign tx arr mux

transaction/signedTx.go

@@ -161,9 +161,13 @@ func signedTxFunc() (*types.Transaction, error) {
 			}
 			txcache.Add(signedTx.Hash().Hex(), t.sender.Hex())
 			atomic.AddInt32(&batchSignCount, 1)
-			signTranArr.mux.Lock()
-			defer signTranArr.mux.Unlock()
-			signTranArr.TranArr = append(signTranArr.TranArr, signedTx)
+			Add(signedTx)
 		}
 	}
 }
+
+func Add(signedTx *types.Transaction) {
+	signTranArr.mux.Lock()
+	defer signTranArr.mux.Unlock()
+	signTranArr.TranArr = append(signTranArr.TranArr, signedTx)
+}