def __init__(self, **kwargs):
"""
Create the subscription client to subscribe the update from server.
:param kwargs: The option of subscription connection.
api_key: The public key applied from Binance.
secret_key: The private key applied from Binance.
uri: Set the URI for subscription.
is_auto_connect: When the connection lost is happening on the subscription line, specify whether the client
reconnect to server automatically. The connection lost means:
Caused by network problem
The connection close triggered by server (happened every 24 hours)
No any message can be received from server within a specified time, see receive_limit_ms
receive_limit_ms: Set the receive limit in millisecond. If no message is received within this limit time,
the connection will be disconnected.
connection_delay_failure: If auto reconnect is enabled, specify the delay time before reconnect.
"""
self.websocket_request_impl = SimpleSocketImpl()
self.connections = ConnectionsKlass()
# self.connections = list()
self.uri = None
is_auto_connect = True
receive_limit_ms = 60000
connection_delay_failure = 15
if "uri" in kwargs:
self.uri = kwargs["uri"]
if "is_auto_connect" in kwargs:
is_auto_connect = kwargs["is_auto_connect"]
if "receive_limit_ms" in kwargs:
receive_limit_ms = kwargs["receive_limit_ms"]
if "connection_delay_failure" in kwargs:
connection_delay_failure = kwargs["connection_delay_failure"]
self.__watch_dog = WebSocketWatchDog(is_auto_connect, receive_limit_ms,
connection_delay_failure)
class SubscriptionClient(object):
def __init__(self, **kwargs):
"""
Create the subscription client to subscribe the update from server.
:param kwargs: The option of subscription connection.
api_key: The public key applied from Binance.
secret_key: The private key applied from Binance.
uri: Set the URI for subscription.
is_auto_connect: When the connection lost is happening on the subscription line, specify whether the client
reconnect to server automatically. The connection lost means:
Caused by network problem
The connection close triggered by server (happened every 24 hours)
No any message can be received from server within a specified time, see receive_limit_ms
receive_limit_ms: Set the receive limit in millisecond. If no message is received within this limit time,
the connection will be disconnected.
connection_delay_failure: If auto reconnect is enabled, specify the delay time before reconnect.
"""
api_key = None
secret_key = None
if "api_key" in kwargs:
api_key = kwargs["api_key"]
if "secret_key" in kwargs:
secret_key = kwargs["secret_key"]
self.__api_key = api_key
self.__secret_key = secret_key
self.websocket_request_impl = WebsocketRequestImpl(self.__api_key)
self.connections = list()
self.uri = WebSocketDefine.Uri
is_auto_connect = True
receive_limit_ms = 60000
connection_delay_failure = 1
if "uri" in kwargs:
self.uri = kwargs["uri"]
if "is_auto_connect" in kwargs:
is_auto_connect = kwargs["is_auto_connect"]
if "receive_limit_ms" in kwargs:
receive_limit_ms = kwargs["receive_limit_ms"]
if "connection_delay_failure" in kwargs:
connection_delay_failure = kwargs["connection_delay_failure"]
self.__watch_dog = WebSocketWatchDog(is_auto_connect, receive_limit_ms,
connection_delay_failure)
def __create_connection(self, request):
connection = WebsocketConnection(self.__api_key, self.__secret_key,
self.uri, self.__watch_dog, request)
self.connections.append(connection)
connection.connect()
def unsubscribe_all(self):
for conn in self.connections:
conn.close()
self.connections.clear()
def stop(self):
self.__watch_dog.stop()
def subscribe_aggregate_trade_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Aggregate Trade Streams
The Aggregate Trade Streams push trade information that is aggregated for a single taker order every 100 milliseconds.
Stream Name: <symbol>@aggTrade
"""
request = self.websocket_request_impl.subscribe_aggregate_trade_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_mark_price_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Mark Price Stream
Mark price for a single symbol pushed every 3 secends.
Stream Name: <symbol>@markPrice
"""
request = self.websocket_request_impl.subscribe_mark_price_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_candlestick_event(self,
symbol: 'str',
interval: 'CandlestickInterval',
callback,
error_handler=None):
"""
Kline/Candlestick Streams
The Kline/Candlestick Stream push updates to the current klines/candlestick every 250 milliseconds (if existing).
Stream Name: <symbol>@kline_<interval>
"""
request = self.websocket_request_impl.subscribe_candlestick_event(
symbol, interval, callback, error_handler)
self.__create_connection(request)
def subscribe_symbol_miniticker_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Individual Symbol Mini Ticker Stream
24hr rolling window mini-ticker statistics for a single symbol pushed every 3 seconds. These are NOT the statistics of the UTC day,
but a 24hr rolling window from requestTime to 24hrs before.
Stream Name: <symbol>@miniTicker
"""
request = self.websocket_request_impl.subscribe_symbol_miniticker_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_all_miniticker_event(self, callback, error_handler=None):
"""
All Market Mini Tickers Stream
24hr rolling window mini-ticker statistics for all symbols pushed every 3 seconds.
These are NOT the statistics of the UTC day, but a 24hr rolling window from requestTime to 24hrs before.
Note that only tickers that have changed will be present in the array.
Stream Name: !miniTicker@arr
"""
request = self.websocket_request_impl.subscribe_all_miniticker_event(
callback, error_handler)
self.__create_connection(request)
def subscribe_symbol_ticker_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Individual Symbol Ticker Streams
24hr rollwing window ticker statistics for a single symbol pushed every 3 seconds. These are NOT the statistics of the UTC day,
but a 24hr rolling window from requestTime to 24hrs before.
Stream Name: <symbol>@ticker
"""
request = self.websocket_request_impl.subscribe_symbol_ticker_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_all_ticker_event(self, callback, error_handler=None):
"""
All Market Tickers Stream
24hr rollwing window ticker statistics for all symbols pushed every 3 seconds. These are NOT the statistics of the UTC day, but a 24hr rolling window from requestTime to 24hrs before.
Note that only tickers that have changed will be present in the array.
Stream Name: !ticker@arr
"""
request = self.websocket_request_impl.subscribe_all_ticker_event(
callback, error_handler)
self.__create_connection(request)
def subscribe_symbol_bookticker_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Individual Symbol Book Ticker Streams
Pushes any update to the best bid or ask's price or quantity in real-time for a specified symbol.
Stream Name: <symbol>@bookTicker
"""
request = self.websocket_request_impl.subscribe_symbol_bookticker_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_all_bookticker_event(self, callback, error_handler=None):
"""
All Book Tickers Stream
Pushes any update to the best bid or ask's price or quantity in real-time for all symbols.
Stream Name: !bookTicker
"""
request = self.websocket_request_impl.subscribe_all_bookticker_event(
callback, error_handler)
self.__create_connection(request)
def subscribe_symbol_liquidation_event(self,
symbol: 'str',
callback,
error_handler=None):
"""
Liquidation Order Streams
The Liquidation Order Streams push force liquidation order information for specific symbol
Stream Name: <symbol>@forceOrder
"""
request = self.websocket_request_impl.subscribe_symbol_liquidation_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_all_liquidation_event(self, callback, error_handler=None):
"""
All Market Liquidation Order Streams
The All Liquidation Order Streams push force liquidation order information for all symbols in the market.
Stream Name: !forceOrder@arr
"""
request = self.websocket_request_impl.subscribe_all_liquidation_event(
callback, error_handler)
self.__create_connection(request)
def subscribe_book_depth_event(
self,
symbol: 'str',
limit: 'int',
callback,
error_handler=None,
update_time: 'UpdateTime' = UpdateTime.INVALID):
"""
Partial Book Depth Streams
Top bids and asks, Valid are 5, 10, or 20.
Stream Names: <symbol>@depth<levels> OR <symbol>@depth<levels>@100ms.
"""
print(update_time)
request = self.websocket_request_impl.subscribe_book_depth_event(
symbol, limit, update_time, callback, error_handler)
self.__create_connection(request)
def subscribe_diff_depth_event(
self,
symbol: 'str',
callback,
error_handler=None,
update_time: 'UpdateTime' = UpdateTime.INVALID):
"""
Diff. Depth Stream
Bids and asks, pushed every 250 milliseconds or 100 milliseconds(if existing)
Stream Name: <symbol>@depth OR <symbol>@depth@100ms
"""
request = self.websocket_request_impl.subscribe_diff_depth_event(
symbol, update_time, callback, error_handler)
self.__create_connection(request)
def subscribe_user_data_event(self,
listenKey: 'str',
callback,
error_handler=None):
"""
User Data Streams
"""
request = self.websocket_request_impl.subscribe_user_data_event(
listenKey, callback, error_handler)
self.__create_connection(request)
def subscribe_all_mark_price_event(self, callback, error_handler=None):
"""
Mark Price Stream for All market
Mark price and funding rate for all symbols pushed every 3 seconds or every second.
Stream Name: !markPrice@arr or !markPrice@arr@1s
Update Speed: 3000ms or 1000ms
"""
request = self.websocket_request_impl.subscribe_all_mark_price_event(
callback, error_handler)
self.__create_connection(request)
def subscribe_blvt_info_event(self, symbol, callback, error_handler=None):
"""
BLVT Info Streams
Stream Name: <tokenName>@tokenNav
Note: tokenName must be uppercase, e.g. "TRXDOWN"
Update Speed: 300ms
"""
request = self.websocket_request_impl.subscribe_blvt_info_event(
symbol, callback, error_handler)
self.__create_connection(request)
def subscribe_blvt_nav_candlestick_event(self,
symbol,
interval,
callback,
error_handler=None):
"""
BLVT NAV Kline/Candlestick Streams
Stream Name: <tokenName>@nav_Kline_<interval>
Note: tokenName must be uppercase, e.g. "TRXDOWN"
Update Speed: 300ms
"""
request = self.websocket_request_impl.subscribe_blvt_nav_candlestick_event(
symbol, interval, callback, error_handler)
self.__create_connection(request)
def subscribe_composite_index_event(self,
symbol,
callback,
error_handler=None):
"""
Composite Index Symbol Information Streams
Composite index information for index symbols pushed every second.
Stream Name: <symbol>@compositeIndex
Update Speed: 1000ms
"""
request = self.websocket_request_impl.subscribe_composite_index_event(
symbol, callback, error_handler)
self.__create_connection(request)