added metadata to event. refactored function names and order in classes
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a7b1d05029
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2d7307a038
@ -58,13 +58,17 @@ class Ticker:
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class Event:
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def __init__(self, kind: EventKind, tick: int) -> None:
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def __init__(self, kind: EventKind, tick: int, metadata: Dict = None) -> None:
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self.kind: EventKind = kind
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self.tick: int = tick
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self.metadata = metadata
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def __repr__(self) -> str:
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return f"{self.kind.name} @ Tick {self.tick}"
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def has_metadata(self) -> bool:
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return self.metadata is not None
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class PositionWrapper:
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def __init__(self, position: Position):
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@ -99,17 +103,10 @@ class SymbolStatus:
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self.current_tick: int = 1
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self.strategy: Strategy = strategy
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def last_events(self, n) -> List[Event]:
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return self.events[-n:]
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def last_positions(self) -> List[PositionWrapper]:
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return self.positions[self.current_tick]
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def all_ticks(self) -> List[int]:
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return [x for x in range(1, self.current_tick + 1)]
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def all_prices(self) -> List[float]:
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return list(map(lambda x: self.prices[x], range(1, self.current_tick + 1)))
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def add_order(self, order: Order):
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if self.strategy:
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self.strategy.order_on_new_tick(order, self)
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__add_to_dict_list__(self.orders, self.current_tick, order)
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# Applies strategy and adds position to list
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async def add_position(self, position: Position):
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@ -119,10 +116,17 @@ class SymbolStatus:
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await self.__apply_strategy_to_position__(pw)
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__add_to_dict_list__(self.positions, self.current_tick, pw)
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def add_order(self, order: Order):
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if self.strategy:
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self.strategy.order_on_tick(order, self)
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__add_to_dict_list__(self.orders, self.current_tick, order)
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def all_prices(self) -> List[float]:
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return list(map(lambda x: self.prices[x], range(1, self.current_tick + 1)))
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def all_ticks(self) -> List[int]:
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return [x for x in range(1, self.current_tick + 1)]
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def last_events(self, n) -> List[Event]:
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return self.events[-n:]
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def last_positions(self) -> List[PositionWrapper]:
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return self.positions[self.current_tick]
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def previous_position_w(self, pid: int) -> PositionWrapper:
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if self.current_tick == 1:
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@ -130,12 +134,18 @@ class SymbolStatus:
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return next(filter(lambda x: x.position.id == pid, self.positions[self.current_tick - 1]))
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def set_tick_price(self, tick, price):
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self.prices[tick] = price
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async def __add_event__(self, event: Event):
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self.events.append(event)
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await self.eh.call_event(self, event)
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async def __apply_strategy_to_position__(self, pw: PositionWrapper):
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(new_state, events) = self.strategy.position_on_tick(pw.position, self)
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if not self.strategy:
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return
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new_state, events = self.strategy.position_on_new_tick(pw.position, self)
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if isinstance(new_state, PositionState):
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await self.__update_position_state__(pw, new_state)
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@ -147,10 +157,7 @@ class SymbolStatus:
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async def __update_position_state__(self, pw: PositionWrapper, state: PositionState):
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pw.set_state(state)
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await self.eh.call_state(self, pw)
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def set_tick_price(self, tick, price):
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self.prices[tick] = price
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await self.eh.call_position_state(self, pw)
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class Strategy:
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@ -158,14 +165,14 @@ class Strategy:
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Defines new position state and events after tick.
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"""
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def position_on_tick(self, position: Position, ss: SymbolStatus) -> (PositionState, List[Event]):
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def position_on_new_tick(self, position: Position, ss: SymbolStatus) -> (PositionState, List[Event]):
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pass
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"""
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Defines new order state and events after tick.
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"""
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def order_on_tick(self, order: Order, ss: SymbolStatus):
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def order_on_new_tick(self, order: Order, ss: SymbolStatus):
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pass
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@ -193,7 +200,7 @@ class EventHandler:
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else:
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h(event, status)
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async def call_state(self, status: SymbolStatus, pw: PositionWrapper):
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async def call_position_state(self, status: SymbolStatus, pw: PositionWrapper):
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state = pw.state
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if state in self.state_handlers:
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@ -221,7 +228,7 @@ class EventHandler:
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return registerhandler
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def on_state(self, state: PositionState):
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def on_position_state(self, state: PositionState):
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def registerhandler(handler):
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if state in self.state_handlers:
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self.state_handlers[state].append(handler)
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@ -238,7 +245,7 @@ class EventHandler:
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return registerhandle
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def on_any_state(self):
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def on_any_position_state(self):
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def registerhandle(handler):
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self.any_state.append(handler)
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return handler
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26
strategy.py
26
strategy.py
@ -14,6 +14,7 @@ class Position(object):
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pass
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class SquaredTrailingStop:
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def __init__(self, p_min: Point, p_max: Point):
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a = sympy.abc.a
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@ -24,8 +25,8 @@ class SquaredTrailingStop:
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self.p_max = p_max
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e1 = 2 * a * (p_max.x + b)
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e2 = a * (p_min.x + b)**2 + c - p_min.y
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e3 = a * (p_max.x + b)**2 + c - p_max.y
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e2 = a * (p_min.x + b) ** 2 + c - p_min.y
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e3 = a * (p_max.x + b) ** 2 + c - p_max.y
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s = solve([e1, e2, e3])[0]
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@ -33,7 +34,7 @@ class SquaredTrailingStop:
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def y(self, x):
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def inter_y(x):
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return self.a * (x + self.b)**2 + self.c
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return self.a * (x + self.b) ** 2 + self.c
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if x < self.p_min.x:
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return self.p_min.y
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@ -47,6 +48,7 @@ class SquaredTrailingStop:
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return 0
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return x - self.y(x)
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class TrailingStopStrategy(Strategy):
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BREAK_EVEN_PERC = TAKER_FEE
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MIN_PROFIT_PERC = BREAK_EVEN_PERC + 0.3
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@ -54,9 +56,9 @@ class TrailingStopStrategy(Strategy):
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MAX_LOSS_PERC = -3.75
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OFFER_PERC = 0.005
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TRAILING_STOP = SquaredTrailingStop(Point(MIN_PROFIT_PERC, MIN_PROFIT_PERC/3*2), Point(GOOD_PROFIT_PERC, 0.1))
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TRAILING_STOP = SquaredTrailingStop(Point(MIN_PROFIT_PERC, MIN_PROFIT_PERC / 3 * 2), Point(GOOD_PROFIT_PERC, 0.1))
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def position_on_tick(self, position: Position, ss: SymbolStatus) -> (PositionState, List[Event]):
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def position_on_new_tick(self, position: Position, ss: SymbolStatus) -> (PositionState, List[Event]):
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events = []
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pl_perc = net_pl_percentage(position.profit_loss_percentage, TAKER_FEE)
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@ -77,17 +79,15 @@ class TrailingStopStrategy(Strategy):
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return state, events
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if state == PositionState.PROFIT:
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events.append(Event(EventKind.REACHED_GOOD_PROFIT, position.id, ss.current_tick))
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events.append(Event(EventKind.REACHED_GOOD_PROFIT, ss.current_tick))
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elif state == PositionState.MINIMUM_PROFIT:
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events.append(Event(EventKind.REACHED_MIN_PROFIT, position.id, ss.current_tick))
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events.append(Event(EventKind.REACHED_MIN_PROFIT, ss.current_tick))
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elif state == PositionState.BREAK_EVEN:
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events.append(Event(EventKind.REACHED_BREAK_EVEN, position.id, ss.current_tick))
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events.append(Event(EventKind.REACHED_BREAK_EVEN, ss.current_tick))
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elif state == PositionState.LOSS:
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events.append(Event(EventKind.REACHED_LOSS, position.id, ss.current_tick))
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events.append(Event(EventKind.REACHED_LOSS, ss.current_tick))
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else:
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events.append(Event(EventKind.REACHED_MAX_LOSS, position.id, ss.current_tick))
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events.append(Event(EventKind.CLOSE_POSITION, position.id, ss.current_tick))
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events.append(Event(EventKind.REACHED_MAX_LOSS, ss.current_tick))
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events.append(Event(EventKind.CLOSE_POSITION, ss.current_tick))
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return state, events
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