bfxbot/bfxbot.py

@@ -1,4 +1,4 @@
-from time import sleep
+import asyncio
 from typing import Dict, List, Optional, Tuple
 
 from bfxapi import Order
@@ -31,20 +31,20 @@ class BfxBot:
         for s in self.symbols:
             self.__status[s] = SymbolStatus(s)
 
-    def __position_wrapper_from_id(self, position_id) -> Optional[Tuple[PositionWrapper, SymbolStatus]]:
+    def __position_wrapper_from_id(self, position_id) -> Tuple[Optional[PositionWrapper], Optional[SymbolStatus]]:
         for s in self.__status.values():
             pw = s.active_position_wrapper_from_id(position_id)
 
             if pw:
                 return pw, s
-        return None
+        return None, None
 
     async def __update_status__(self):
         active_positions = await self.__bfx.get_active_position()
 
         for symbol in self.__status:
             # updating tick
-            self.__status[symbol].current_tick = self.__ticker.current_tick
+            self.__status[symbol].__init_tick__(self.__ticker.current_tick)
 
             # updating last price
             last_price = await self.__bfx.get_current_prices(symbol)
@@ -64,11 +64,11 @@ class BfxBot:
                 self.__status[symbol].add_order(o)
 
             # emitting new tick event
-            ## TODO: handle _on_new_tick() from Strategy
+            # TODO: handle _on_new_tick() from Strategy
             await self.__status[symbol].add_event(Event(EventKind.NEW_TICK, self.__ticker.current_tick))
 
     async def best_position_closing_price(self, position_id: int) -> Optional[float]:
-        pw: Optional[PositionWrapper] = self.__position_wrapper_from_id(position_id)
+        pw, _ = self.__position_wrapper_from_id(position_id)
 
         if not pw:
             return None
@@ -105,7 +105,7 @@ class BfxBot:
 
         if not open_orders:
             await self.__bfx.submit_order(pw.position.symbol, closing_price, amount, Order.Type.LIMIT)
-            await ss.__add_event(Event(EventKind.ORDER_SUBMITTED, ss.current_tick))
+            await ss.add_event(Event(EventKind.ORDER_SUBMITTED, ss.current_tick))
 
     def set_strategy(self, symbol, strategy: Strategy):
         if symbol in self.__status:
@@ -129,6 +129,6 @@ class BfxBot:
         return self.__status[symbol]
 
     async def update(self):
-        sleep(self.__ticker.seconds)
+        await asyncio.sleep(self.__ticker.seconds)
         self.__ticker.inc()
         await self.__update_status__()

bfxbot/models.py

@@ -120,6 +120,12 @@ class SymbolStatus:
         self.current_tick: int = 1
         self.strategy: Strategy = strategy
 
+    def __init_tick__(self, tick: int):
+        self.current_tick = tick
+        self.prices[self.current_tick] = None
+        self.orders[self.current_tick] = []
+        self.positions[self.current_tick] = []
+
     async def add_event(self, event: Event):
         self.events.append(event)
         await self.eh.call_event(self, event)
@@ -158,9 +164,10 @@ class SymbolStatus:
         return next(filter(lambda x: x.position.id == pid, self.positions[self.current_tick - 1]))
 
     def active_position_wrapper_from_id(self, position_id: int) -> Optional[PositionWrapper]:
-        for pw in self.positions[self.current_tick]:
-            if pw.position.id == position_id:
-                return pw
+        if self.current_tick in self.positions:
+            for pw in self.positions[self.current_tick]:
+                if pw.position.id == position_id:
+                    return pw
         return None
 
     def set_tick_price(self, tick, price):
@@ -185,7 +192,7 @@ class SymbolStatus:
         for e in events:
             if not isinstance(e, Event):
                 raise ValueError
-            await self.add_event__(e)
+            await self.add_event(e)
 
         return pw
 

main.py

@@ -89,8 +89,9 @@ def on_connect():
 ###################################
 
 @btc_eh.on_event(EventKind.CLOSE_POSITION)
-def on_close_position(event: Event, _):
-    loop.run_until_complete(bot.close_position(event.metadata.position_id))
+async def on_close_position(event: Event, _):
+    print("CLOSING!")
+    await bot.close_position(event.metadata.position_id)
 
 
 @btc_eh.on_position_state(PositionState.PROFIT)

strategy.py

@@ -47,7 +47,7 @@ class TrailingStopStrategy(Strategy):
     BREAK_EVEN_PERC = TAKER_FEE
     MIN_PROFIT_PERC = BREAK_EVEN_PERC + 0.3
     GOOD_PROFIT_PERC = MIN_PROFIT_PERC * 2.5
-    MAX_LOSS_PERC = -3.75
+    MAX_LOSS_PERC = -4.5
 
     TRAILING_STOP = SquaredTrailingStop(Point(MIN_PROFIT_PERC, MIN_PROFIT_PERC / 3 * 2), Point(GOOD_PROFIT_PERC, 0.1))
 
@@ -70,6 +70,7 @@ class TrailingStopStrategy(Strategy):
         elif self.MAX_LOSS_PERC < pl_perc < 0.0:
             state = PositionState.LOSS
         else:
+            events.append(Event(EventKind.CLOSE_POSITION, ss.current_tick, event_metadata))
             state = PositionState.CRITICAL
 
         pw = PositionWrapper(position, state=state, net_profit_loss=position.profit_loss,