fix state.py

py-client/strategy/trend/open.py

@@ -8,6 +8,7 @@ from libs import calc_buy_volume
 from sdk import OP_BUY
 from .runtime import Runtime
 from .order import PlaceOrderRequest
+from .state import PendingOrder
 import logging as log
 
 
@@ -88,6 +89,8 @@ def do_open(run: Runtime, code: str, volume: int, signal_key: str, price: float)
         signal_key,
         kind="base",
     )
+    if not run.state.new_order(PendingOrder(order_id, code, "base", volume)):
+        raise RuntimeError("已有待确认买单")
     if not run.orders.place(run.client,request):
         raise RuntimeError("订单提交失败")