增加策略交易

strategy_exchange_base.py

@@ -0,0 +1,48 @@
+"""交易所策略适配器接口（各所 app 注入 ccxt 实现）。"""
+from __future__ import annotations
+
+from typing import Any, Optional, Protocol
+
+
+class StrategyExchangeAdapter(Protocol):
+    exchange_key: str
+
+    def normalize_symbol(self, raw: str) -> str: ...
+
+    def normalize_exchange_symbol(self, symbol: str) -> str: ...
+
+    def get_mark_price(self, symbol: str) -> Optional[float]: ...
+
+    def get_position(self, exchange_symbol: str, direction: str) -> dict[str, Any]:
+        """返回 {contracts, entry_price, leverage?}。"""
+        ...
+
+    def amount_to_precision(self, exchange_symbol: str, amount: float) -> Optional[float]: ...
+
+    def price_to_precision(self, exchange_symbol: str, price: float) -> Optional[float]: ...
+
+    def market_add(
+        self, exchange_symbol: str, direction: str, amount: float, leverage: int
+    ) -> dict[str, Any]: ...
+
+    def limit_add(
+        self,
+        exchange_symbol: str,
+        direction: str,
+        amount: float,
+        price: float,
+        leverage: int,
+    ) -> dict[str, Any]: ...
+
+    def cancel_order(self, exchange_symbol: str, order_id: str) -> None: ...
+
+    def replace_position_tpsl(
+        self,
+        exchange_symbol: str,
+        direction: str,
+        stop_loss: float,
+        take_profit: float,
+        order_monitor_row: Any = None,
+    ) -> None: ...
+
+    def ensure_live_ready(self) -> tuple[bool, str]: ...