[Mod] DataRecorder: record spread data tick/bar

examples/vn_trader/run.py

@@ -37,7 +37,7 @@ from vnpy.app.cta_strategy import CtaStrategyApp
 # from vnpy.app.csv_loader import CsvLoaderApp
 # from vnpy.app.algo_trading import AlgoTradingApp
 from vnpy.app.cta_backtester import CtaBacktesterApp
-# from vnpy.app.data_recorder import DataRecorderApp
+from vnpy.app.data_recorder import DataRecorderApp
 # from vnpy.app.risk_manager import RiskManagerApp
 from vnpy.app.script_trader import ScriptTraderApp
 from vnpy.app.rpc_service import RpcServiceApp
@@ -61,7 +61,7 @@ def main():
     # main_engine.add_gateway(FemasGateway)
     # main_engine.add_gateway(IbGateway)
     # main_engine.add_gateway(FutuGateway)
-    # main_engine.add_gateway(BitmexGateway)
+    main_engine.add_gateway(BitmexGateway)
     # main_engine.add_gateway(TigerGateway)
     # main_engine.add_gateway(OesGateway)
     # main_engine.add_gateway(OkexGateway)
@@ -85,7 +85,7 @@ def main():
     main_engine.add_app(CtaBacktesterApp)
     # main_engine.add_app(CsvLoaderApp)
     # main_engine.add_app(AlgoTradingApp)
-    # main_engine.add_app(DataRecorderApp)
+    main_engine.add_app(DataRecorderApp)
     # main_engine.add_app(RiskManagerApp)
     # main_engine.add_app(ScriptTraderApp)
     # main_engine.add_app(RpcServiceApp)

vnpy/app/data_recorder/engine.py

@@ -6,6 +6,7 @@ from copy import copy
 
 from vnpy.event import Event, EventEngine
 from vnpy.trader.engine import BaseEngine, MainEngine
+from vnpy.trader.constant import Exchange
 from vnpy.trader.object import (
     SubscribeRequest,
     TickData,
@@ -15,6 +16,7 @@ from vnpy.trader.object import (
 from vnpy.trader.event import EVENT_TICK, EVENT_CONTRACT
 from vnpy.trader.utility import load_json, save_json, BarGenerator
 from vnpy.trader.database import database_manager
+from vnpy.app.spread_trading.base import EVENT_SPREAD_DATA, SpreadData
 
 
 APP_NAME = "DataRecorder"
@@ -91,6 +93,7 @@ class RecorderEngine(BaseEngine):
             self.write_log(f"已在K线记录列表中：{vt_symbol}")
             return
 
+        if Exchange.LOCAL.value not in vt_symbol:
             contract = self.main_engine.get_contract(vt_symbol)
             if not contract:
                 self.write_log(f"找不到合约：{vt_symbol}")
@@ -103,6 +106,9 @@ class RecorderEngine(BaseEngine):
             }
 
             self.subscribe(contract)
+        else:
+            self.tick_recordings[vt_symbol] = {}
+
         self.save_setting()
         self.put_event()
 
@@ -114,6 +120,8 @@ class RecorderEngine(BaseEngine):
             self.write_log(f"已在Tick记录列表中：{vt_symbol}")
             return
 
+        # For normal contract
+        if Exchange.LOCAL.value not in vt_symbol:
             contract = self.main_engine.get_contract(vt_symbol)
             if not contract:
                 self.write_log(f"找不到合约：{vt_symbol}")
@@ -126,6 +134,10 @@ class RecorderEngine(BaseEngine):
             }
 
             self.subscribe(contract)
+        # No need to subscribe for spread data
+        else:
+            self.tick_recordings[vt_symbol] = {}
+
         self.save_setting()
         self.put_event()
 
@@ -159,11 +171,11 @@ class RecorderEngine(BaseEngine):
         """"""
         self.event_engine.register(EVENT_TICK, self.process_tick_event)
         self.event_engine.register(EVENT_CONTRACT, self.process_contract_event)
+        self.event_engine.register(
+            EVENT_SPREAD_DATA, self.process_spread_event)
 
-    def process_tick_event(self, event: Event):
+    def update_tick(self, tick: TickData):
         """"""
-        tick = event.data
-
         if tick.vt_symbol in self.tick_recordings:
             self.record_tick(tick)
 
@@ -171,6 +183,11 @@ class RecorderEngine(BaseEngine):
             bg = self.get_bar_generator(tick.vt_symbol)
             bg.update_tick(tick)
 
+    def process_tick_event(self, event: Event):
+        """"""
+        tick = event.data
+        self.update_tick(tick)
+
     def process_contract_event(self, event: Event):
         """"""
         contract = event.data
@@ -179,6 +196,15 @@ class RecorderEngine(BaseEngine):
         if (vt_symbol in self.tick_recordings or vt_symbol in self.bar_recordings):
             self.subscribe(contract)
 
+    def process_spread_event(self, event: Event):
+        """"""
+        spread: SpreadData = event.data
+        tick = spread.to_tick()
+
+        # Filter not inited spread data
+        if tick.datetime:
+            self.update_tick(tick)
+
     def write_log(self, msg: str):
         """"""
         event = Event(