DepthCacheManager

Initialise the DepthCacheManager

:param client: Binance API client :type client: binance.Client :param loop: asyncio loop :param symbol: Symbol to create depth cache for :type symbol: string :param refresh_interval: Optional number of seconds between cache refresh, use 0 or None to disable :type refresh_interval: int :param limit: Optional number of orders to get from orderbook :type limit: int :param conv_type: Optional type to represent price, and amount, default is float. :type conv_type: function. :param ws_interval: Optional interval for updates on websocket, default None. If not set, updates happen every second. Must be 0, None (1s) or 100 (100ms). :type ws_interval: int

Initialise the depth cache calling REST endpoint

:return:

Start the depth cache socket

:return:

Process a depth event message.

:param msg: Depth event message. :return: