add basic func to load paper_trades file

piker/clearing/_paper_engine.py

@@ -30,11 +30,12 @@ from typing import (
     Callable,
 )
 import uuid
-
+import os.path
 from bidict import bidict
 import pendulum
 import trio
 import tractor
+import logging
 
 from .. import data
 from ..data._source import Symbol
@@ -56,6 +57,7 @@ from ._messages import (
     BrokerdError,
 )
 
+from ..config import load
 
 log = get_logger(__name__)
 
@@ -84,6 +86,17 @@ class PaperBoi(Struct):
     last_ask: tuple[float, float] = (float('inf'), 0)  # price, size
     last_bid: tuple[float, float] = (0, 0)
 
+
+    def record_paper_trade(self):
+        try:
+            #create paper trades record
+            
+            print('RECORDING PAPER TRADE') 
+            config, path = load('paper_trades') 
+        except Exception as Arguement: 
+            logging.exception('ERROR RECORDING PAPER TRADE')
+            pass
+
     async def submit_limit(
         self,
         oid: str,  # XXX: see return value
@@ -271,6 +284,7 @@ class PaperBoi(Struct):
             dt=pendulum.from_timestamp(fill_time_s),
             bsuid=key,
         )
+        self.record_paper_trade()
         pp.add_clear(t)
 
         pp_msg = BrokerdPosition(

piker/config.py

@@ -115,6 +115,7 @@ _conf_names: set[str] = {
     'pps',
     'trades',
     'watchlists',
+    'paper_trades'
 }
 
 _watchlists_data_path = os.path.join(_config_dir, 'watchlists.json')
@@ -212,6 +213,10 @@ def load(
         # if one exists.
         if os.path.isfile(template):
             shutil.copyfile(template, path)
+        else:
+            # create an empty file
+            with open(path, 'x'):
+                pass
     else:
         with open(path, 'r'):
             pass  # touch it