add support for 0. decimal values

api.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+from decimal import Decimal
 import os
 from dotenv import load_dotenv
 from flask import Flask, request, jsonify
@@ -34,13 +35,17 @@ def verify_transaction(benef_name, abs_amount, request_time, tx_data_list):
             tx_benef_name = tx_data['benefName'].strip().lower()
             
             if (tx_benef_name == benef_name.strip().lower() and
-                str(tx_data['absAmount']) == str(abs_amount) and
+                compare_amounts(tx_data['absAmount'], abs_amount) and
                 time_diff <= timedelta(minutes=30)):
                 return True
         except ValueError as e:
             app.logger.error(f"Error processing transaction: {str(e)}")
     return False
 
+def compare_amounts(amount1, amount2):
+    """Compare two amount strings as Decimal objects."""
+    return Decimal(amount1) == Decimal(amount2)
+
 @app.route('/verify-payment', methods=['POST'])
 def verify_payment():
     data = request.json