Add implementation for submit_order, update_order and cancel_order endpoint handlers in BfxRestInterface.py.

bfxapi/rest/typings.py

@@ -1,11 +1,5 @@
-from decimal import Decimal
-
-from datetime import datetime
-
 from typing import Type, Tuple, List, Dict, TypedDict, Union, Optional, Any
 
-from ..utils.integers import Int16, Int32, Int45, Int64
-
 JSON = Union[Dict[str, "JSON"], List["JSON"], bool, int, float, str, Type[None]]
 
 #region Type hinting for Rest Public Endpoints