transaction fix

goodchain/src/helpers/TransactionHelper.py

@@ -24,28 +24,38 @@ def transaction(self):
 
     try:
         amount = float(amount)
+        amount = round(amount, 2)
     except:
         print("Wrong input, try again")
         return False
-
+    if amount <= 0:
+        utilityHelper.clearScreen()
+        print(f"{utilityHelper.warningMessage('Transaction value needs to be above zero')}")
+        return False
     fee = input("Enter fee:")
     if fee == "":
         return False
 
     try:
         fee = float(fee)
+        fee = round(fee, 2)
     except:
         print("Wrong input, try again")
         return False
     
-    utilityHelper.clearScreen()
+    if fee < 0:
+        utilityHelper.clearScreen()
+        print(f"{utilityHelper.warningMessage('Transaction fee needs to be above zero or above')}")
+        return False
     
-    print(f"Processing transaction of {amount + fee} coins, {receiver} will receive {amount} coins")
+    utilityHelper.clearScreen()
     
     if amount + fee > taskHelper.getBalanceWithOutgoingPool(self, taskHelper.getBalance(self)):
         print("You dont have enough money")
         return False
     
+    print(f"Processing transaction of {amount + fee} coins, {receiver} will receive {amount} coins")   
+
     new_tx = Tx()
     new_tx.createTransaction(self.user.public_ser, self.user.private_ser, amount, fee, receiver_data[1])
     return new_tx