exception handling on user address api

Author: pratik-vii

metering/handlers/usage_handler.py

@@ -16,15 +16,15 @@
 
 
 def add_verify_fields(usage_detail_dict):
-    new_requred_keys = {
+    new_required_keys = {
         'usage_type', 'status', 'usage_value', 'start_time', 'end_time',
         'created_at', 'payment_mode', 'group_id', 'registry_address_key',
         'ethereum_json_rpc_endpoint', 'response_time', 'response_code', 'error_message',
         'version', 'client_type', 'user_details', 'channel_id', 'operation', 'user_address',
         'username', 'org_id', 'service_id', 'resource', 'request_id'
     }
-    for key in new_requred_keys:
-        if key not in usage_detail_dict:
+    for key in new_required_keys:
+        if (key not in usage_detail_dict) or (usage_detail_dict[key] == ""):
             usage_detail_dict[key] = None
 
     if usage_detail_dict['username'] is not None and usage_detail_dict['user_address'] is None:

metering/tests/test_total_calls.py

@@ -51,7 +51,7 @@ def test_success_usage_record(self):
             "error_message": "",
             "version": "v1.0.0",
             'username': 'user@snet',
-            'payment_mode': 'freecall',
+            'payment_mode': "",
             "operation": "read",
             "usage_type": "apicall",
             "status": "success",

metering/utils.py

@@ -35,6 +35,6 @@ def validator_usage():
 
 
 def is_free_call(usage_details_dict):
-    if not usage_details_dict['payment_mode'] == 'free_call':
+    if usage_details_dict['payment_mode'] == 'free_call':
         return True
     return False