from custom_decorators import singleton


@singleton
class OrderRepository:
    def __init__(self):
        self.db = None

    def create(self, order_id, from_address, to_address):
        pass

    def update_status(self, order_id, status):
        # 更新状态和时间
        pass

    def get_creation_time(self, order_id):
        pass