Document fields and add executed time

fin_depo/data.py

@@ -101,16 +101,26 @@ class TradeOrderDetails:
 
     Includes both well-structured data about the order, and unstructured data
     from the backend. The unstructured data might be needed for tax purposes.
+
+    Fields:
+    - `input_asset`: Asset that have been sold
+    - `input_amount`: Amount of asset that has been sold
+    - `output_asset`: Asset that have been bought
+    - `output_amount`: Amount of asset that have been bought.
+    - `fee_asset`: Asset used to pay fee.
+    - `fee_amount`: Amount of asset that have been used to pay fee.
+    - `executed_time`: Point in time when order was executed.
+    - `order_id`: Unique identifier of order. Determined by backend.
+    - `raw_order_details`: For storing arbitrary unstructured data from backend.
     """
 
     input_asset: Asset
     input_amount: Decimal
-
     output_asset: Asset
     output_amount: Decimal
-
     fee_asset: Asset
     fee_amount: Decimal
+    executed_time: datetime.datetime
 
     order_id: object
     raw_order_details: object