触价单

触价单的设定是，先决定「触发价」，这是交易人要动作(停损)的价格，再设定「取价」，这是指当市场价格触及或穿过触发价，转成正式委托下到市场时，是要用「限价」、「范围市价」或是「市价」，三者择其一来挂出委托。

from pydantic import BaseModel

class TouchOrderCond(BaseModel):
    contract: Contract
    order: Order
    touch_price: float

class TouchOrder:
   def __init__(self, api: sj.Shioaji, condition: TouchOrderCond
    ):
       self.flag = False
       self.api = api
       self.order = condition.order
       self.contract = condition.contract
       self.touch_price = condition.touch_price
       self.api.quote.subscribe(self.contract)
       self.api.quote.set_quote_callback(self.touch)

   def touch(self, topic, quote):
       price = quote["Close"][0]
       if price == self.touch_price and not self.flag:
           self.flag = True
           self.api.place_order(self.contract, self.order)
           self.api.quote.unsubscribe(self.contract)