providing the 'hint' field to those exeptions missing it.

1 files changed, 7 insertions, 4 deletions

diff --git a/talerbank/app/amount.py b/talerbank/app/amount.py
index 588b6b6..04fad51 100644
--- a/talerbank/app/amount.py
+++ b/talerbank/app/amount.py
@@ -46,8 +46,9 @@ class CurrencyMismatch(Exception):
 ##
 # Exception class to raise when a amount string is not valid.
 class BadFormatAmount(Exception):
-    hint = "Amount given was incorrect"
-    
+
+    hint = "Malformed amount string"
+
     ##
     # Init constructor.
     #
@@ -60,14 +61,16 @@ class BadFormatAmount(Exception):
 ##
 # Main Amount class.
 class NumberTooBig(Exception):
+    hint = "NUmber given is too big"
     def __init__(self) -> None:
         super(NumberTooBig, self).__init__(
-            "Number given is too big!")
+            "Number given is too big")
 
 class NegativeNumber(Exception):
+    hint = "Negative number given as value and/or fraction"
     def __init__(self) -> None:
         super(NegativeNumber, self).__init__(
-            "Negative number given as value and/or fraction!")
+            "Negative number given as value and/or fraction")
 
 class Amount:
     ##