def __init__(self):
    '\n        :param api_key:\n        :param secret:\n        :param trade_type: 交易的类型， only support future and spot.\n        '
    self.http_client = BinanceSpotHttp(api_key=config.api_key, secret=config.api_secret, proxy_host=config.proxy_host, proxy_port=config.proxy_port)
    self.buy_orders = []
    self.sell_orders = []
:param api_key:
:param secret:
:param trade_type: 交易的类型， only support future and spot.
def __init__(self):
    '\n        :param api_key:\n        :param secret:\n        :param trade_type: 交易的类型， only support future and spot.\n        '
    self.http_client = BinanceSpotHttp(api_key=config.api_key, secret=config.api_secret, proxy_host=config.proxy_host, proxy_port=config.proxy_port)
    self.buy_orders = []
    self.sell_orders = []