增加K线

backend/app/binance.py

@@ -236,11 +236,7 @@ class BinanceFuturesClient:
             )
         return rows
 
-    async def get_daily_klines(self, symbol: str, limit: int = 300) -> list[dict]:
-        raw = await self._get(
-            "/fapi/v1/klines",
-            {"symbol": symbol.upper(), "interval": "1d", "limit": min(limit, 1500)},
-        )
+    def _parse_kline_rows(self, raw: list | None) -> list[dict]:
         candles = []
         for k in raw or []:
             candles.append(
@@ -256,5 +252,21 @@ class BinanceFuturesClient:
             )
         return candles
 
+    async def get_klines_limit(
+        self, symbol: str, interval: str, limit: int = 500
+    ) -> list[dict]:
+        raw = await self._get(
+            "/fapi/v1/klines",
+            {
+                "symbol": symbol.upper(),
+                "interval": interval,
+                "limit": min(limit, 1500),
+            },
+        )
+        return self._parse_kline_rows(raw)
+
+    async def get_daily_klines(self, symbol: str, limit: int = 300) -> list[dict]:
+        return await self.get_klines_limit(symbol, "1d", limit)
+
 
 binance_client = BinanceFuturesClient()