Add some comments about the exchange variables

core/exchanges/__init__.py

@@ -4,9 +4,13 @@ from pydantic import ValidationError
 from core.lib import schemas
 from core.util import logs
 
+# Return error if the schema for the message type is not found
 STRICT_VALIDATION = False
+
+# Raise exception if the conversion schema is not found
 STRICT_CONVERSTION = False
 
+# TODO: Set them to True when all message types are implemented
 
 class BaseExchange(object):
     def __init__(self, account):