added fee amount after mining

goodchain/src/helpers/BlockHelper.py

@@ -247,6 +247,13 @@ def createBlock(self):
         if transaction_count not in selected_transactions:
             utilityHelper.addFile("../data/transaction_pool.dat", transaction)
         transaction_count += 1
+    # print fee amount
+    fees = 0
+    for i in selected_transactions:
+        if transactions[i].type != 1:
+            fees += transactions[i].inputs[0][1] - transactions[i].outputs[0][1]
+    fees = round(fees, 2)
+    print(f"After validating you will receive a reward of {fees + 50} coins!")
 
     return True