v3.0.1

Signed-off-by: Dinger <quantdinger@gmail.com>

backend_api_python/app/services/live_trading/binance_spot.py

@@ -31,6 +31,9 @@ class BinanceSpotClient(BaseRestClient):
         self._sym_filter_cache: Dict[str, Tuple[float, Dict[str, Any]]] = {}
         self._sym_filter_cache_ttl_sec = 300.0
 
+        self._time_offset_ms: int = 0
+        self._time_sync_monotonic: float = 0.0
+
     @staticmethod
     def _to_dec(x: Any) -> Decimal:
         try:
@@ -158,6 +161,24 @@ class BinanceSpotClient(BaseRestClient):
     def _signed_headers(self) -> Dict[str, str]:
         return {"X-MBX-APIKEY": self.api_key}
 
+    def _ensure_server_time(self, *, force: bool = False) -> None:
+        """Align signed request timestamps with Binance (GET /api/v3/time)."""
+        now_m = time.monotonic()
+        if not force and (now_m - float(self._time_sync_monotonic or 0.0)) < 300.0:
+            return
+        try:
+            code, data, _ = self._request("GET", "/api/v3/time")
+            if code != 200 or not isinstance(data, dict):
+                return
+            server_ms = int(data.get("serverTime") or 0)
+            if server_ms <= 0:
+                return
+            local_ms = int(time.time() * 1000)
+            self._time_offset_ms = server_ms - local_ms
+            self._time_sync_monotonic = now_m
+        except Exception:
+            pass
+
     def _format_client_order_id(self, client_order_id: Optional[str]) -> str:
         raw = str(client_order_id or "").strip()
         broker_id = str(self.broker_id or "").strip()
@@ -174,16 +195,34 @@ class BinanceSpotClient(BaseRestClient):
         return f"{prefix}{raw[:suffix_budget]}"
 
     def _signed_request(self, method: str, path: str, *, params: Dict[str, Any]) -> Dict[str, Any]:
-        p = dict(params or {})
-        p["timestamp"] = int(time.time() * 1000)
-        qs = urlencode(p, doseq=True)
-        p["signature"] = self._sign(qs)
-        code, data, text = self._request(method, path, params=p, headers=self._signed_headers())
-        if code >= 400:
-            raise LiveTradingError(f"BinanceSpot HTTP {code}: {text[:500]}")
-        if isinstance(data, dict) and data.get("code") and int(data.get("code")) < 0:
-            raise LiveTradingError(f"BinanceSpot error: {data}")
-        return data if isinstance(data, dict) else {"raw": data}
+        self._ensure_server_time()
+        last_err: Optional[LiveTradingError] = None
+        for attempt in range(2):
+            p = dict(params or {})
+            p["timestamp"] = int(time.time() * 1000) + int(self._time_offset_ms)
+            if "recvWindow" not in p:
+                p["recvWindow"] = 10000
+            qs = urlencode(p, doseq=True)
+            p["signature"] = self._sign(qs)
+            code, data, text = self._request(method, path, params=p, headers=self._signed_headers())
+            if code >= 400:
+                err = LiveTradingError(f"BinanceSpot HTTP {code}: {text[:500]}")
+                if attempt == 0 and ("-1021" in text or "1021" in text):
+                    self._ensure_server_time(force=True)
+                    last_err = err
+                    continue
+                raise err
+            if isinstance(data, dict) and data.get("code") and int(data.get("code")) < 0:
+                err = LiveTradingError(f"BinanceSpot error: {data}")
+                if attempt == 0 and int(data.get("code") or 0) == -1021:
+                    self._ensure_server_time(force=True)
+                    last_err = err
+                    continue
+                raise err
+            return data if isinstance(data, dict) else {"raw": data}
+        if last_err:
+            raise last_err
+        raise LiveTradingError("BinanceSpot signed request failed")
 
     def ping(self) -> bool:
         """