feat: TradingBot 메인 루프 구현 (진입/청산/손절/익절)

Made-with: Cursor

src/bot.py

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+import asyncio
+import os
+from loguru import logger
+from src.config import Config
+from src.exchange import BinanceFuturesClient
+from src.indicators import Indicators
+from src.data_stream import KlineStream
+from src.database import TradeRepository
+from src.risk_manager import RiskManager
+
+
+class TradingBot:
+    def __init__(self, config: Config):
+        self.config = config
+        self.exchange = BinanceFuturesClient(config)
+        self.db = TradeRepository(
+            token=config.notion_token,
+            database_id=config.notion_database_id,
+        )
+        self.risk = RiskManager(config)
+        self.current_trade_id: str | None = None
+        self.stream = KlineStream(
+            symbol=config.symbol,
+            interval="1m",
+            on_candle=self._on_candle_closed,
+        )
+
+    def _on_candle_closed(self, candle: dict):
+        df = self.stream.get_dataframe()
+        if df is not None:
+            asyncio.create_task(self.process_candle(df))
+
+    async def process_candle(self, df):
+        if not self.risk.is_trading_allowed():
+            logger.warning("리스크 한도 초과 - 거래 중단")
+            return
+
+        ind = Indicators(df)
+        df_with_indicators = ind.calculate_all()
+        signal = ind.get_signal(df_with_indicators)
+        logger.info(f"신호: {signal}")
+
+        position = await self.exchange.get_position()
+
+        if position is None and signal != "HOLD":
+            if not self.risk.can_open_new_position():
+                logger.info("최대 포지션 수 도달")
+                return
+            await self._open_position(signal, df_with_indicators)
+
+        elif position is not None:
+            pos_side = "LONG" if float(position["positionAmt"]) > 0 else "SHORT"
+            if (pos_side == "LONG" and signal == "SHORT") or \
+               (pos_side == "SHORT" and signal == "LONG"):
+                await self._close_position(position)
+
+    async def _open_position(self, signal: str, df):
+        balance = await self.exchange.get_balance()
+        price = df["close"].iloc[-1]
+        quantity = self.exchange.calculate_quantity(
+            balance=balance, price=price, leverage=self.config.leverage
+        )
+        stop_loss, take_profit = Indicators(df).get_atr_stop(df, signal, price)
+
+        side = "BUY" if signal == "LONG" else "SELL"
+        await self.exchange.set_leverage(self.config.leverage)
+        await self.exchange.place_order(side=side, quantity=quantity)
+
+        last_row = df.iloc[-1]
+        signal_snapshot = {
+            "rsi":       float(last_row.get("rsi", 0)),
+            "macd_hist": float(last_row.get("macd_hist", 0)),
+            "atr":       float(last_row.get("atr", 0)),
+        }
+        trade = self.db.save_trade(
+            symbol=self.config.symbol,
+            side=signal,
+            entry_price=price,
+            quantity=quantity,
+            leverage=self.config.leverage,
+            signal_data=signal_snapshot,
+        )
+        self.current_trade_id = trade["id"]
+        logger.success(
+            f"{signal} 진입: 가격={price}, 수량={quantity}, "
+            f"SL={stop_loss:.4f}, TP={take_profit:.4f}"
+        )
+
+        sl_side = "SELL" if signal == "LONG" else "BUY"
+        await self.exchange.place_order(
+            side=sl_side,
+            quantity=quantity,
+            order_type="STOP_MARKET",
+            stop_price=round(stop_loss, 4),
+            reduce_only=True,
+        )
+        await self.exchange.place_order(
+            side=sl_side,
+            quantity=quantity,
+            order_type="TAKE_PROFIT_MARKET",
+            stop_price=round(take_profit, 4),
+            reduce_only=True,
+        )
+
+    async def _close_position(self, position: dict):
+        amt = abs(float(position["positionAmt"]))
+        side = "SELL" if float(position["positionAmt"]) > 0 else "BUY"
+        await self.exchange.cancel_all_orders()
+        await self.exchange.place_order(side=side, quantity=amt, reduce_only=True)
+
+        entry = float(position["entryPrice"])
+        mark  = float(position["markPrice"])
+        pnl   = (mark - entry) * amt if side == "SELL" else (entry - mark) * amt
+
+        if self.current_trade_id:
+            self.db.close_trade(self.current_trade_id, exit_price=mark, pnl=pnl)
+        self.risk.record_pnl(pnl)
+        self.current_trade_id = None
+        logger.success(f"포지션 청산: PnL={pnl:.4f} USDT")
+
+    async def run(self):
+        logger.info(f"봇 시작: {self.config.symbol}, 레버리지 {self.config.leverage}x")
+        await self.stream.start(
+            api_key=self.config.api_key,
+            api_secret=self.config.api_secret,
+        )