fixed tutorial needed for final assignment

period_1/07-mining/703_TX2_A02_Nonce - tamper test/TxBlock.py

@@ -35,6 +35,10 @@ class TxBlock (CBlock):
             if not tx.is_valid():
                 return False
         
+        if self.nonce != "A random nonce":
+            if not self.good_nonce():
+                return False
+        
         total_in, total_out = self.__count_totals()
         
         Tx_Balance = round(total_out - total_in, 10)