feat: add options websocket market streams

.github/workflows/python-app.yml

@@ -34,7 +34,7 @@ jobs:
   build:
     needs: lint
     runs-on: ubuntu-22.04
-    timeout-minutes: 20
+    timeout-minutes: 60
     env:
       PROXY: "http://51.83.140.52:16301"
       TEST_TESTNET: "true"

binance/ws/streams.py

@@ -30,8 +30,7 @@ class BinanceSocketManager:
     FSTREAM_TESTNET_URL = "wss://stream.binancefuture.com/"
     DSTREAM_URL = "wss://dstream.binance.{}/"
     DSTREAM_TESTNET_URL = "wss://dstream.binancefuture.com/"
-    VSTREAM_URL = "wss://vstream.binance.{}/"
-    VSTREAM_TESTNET_URL = "wss://testnetws.binanceops.{}/"
+    OPTIONS_URL = "wss://nbstream.binance.{}/eoptions/"
 
     WEBSOCKET_DEPTH_5 = "5"
     WEBSOCKET_DEPTH_10 = "10"
@@ -47,8 +46,7 @@ def __init__(self, client: AsyncClient, user_timeout=KEEPALIVE_TIMEOUT):
         self.STREAM_URL = self.STREAM_URL.format(client.tld)
         self.FSTREAM_URL = self.FSTREAM_URL.format(client.tld)
         self.DSTREAM_URL = self.DSTREAM_URL.format(client.tld)
-        self.VSTREAM_URL = self.VSTREAM_URL.format(client.tld)
-        self.VSTREAM_TESTNET_URL = self.VSTREAM_TESTNET_URL.format(client.tld)
+        self.OPTIONS_URL = self.OPTIONS_URL.format(client.tld)
 
         self._conns = {}
         self._loop = get_loop()
@@ -129,14 +127,12 @@ def _get_futures_socket(
         return self._get_socket(path, stream_url, prefix, socket_type=socket_type)
 
     def _get_options_socket(self, path: str, prefix: str = "ws/"):
-        stream_url = self.VSTREAM_URL
-        if self.testnet:
-            stream_url = self.VSTREAM_TESTNET_URL
+        stream_url = self.OPTIONS_URL
         return self._get_socket(
             path,
             stream_url,
             prefix,
-            is_binary=True,
+            is_binary=False,
             socket_type=BinanceSocketType.OPTIONS,
         )
 
@@ -659,23 +655,6 @@ def index_price_socket(self, symbol: str, fast: bool = True):
             symbol.lower() + stream_name, futures_type=FuturesType.COIN_M
         )
 
-    def futures_depth_socket(
-        self, symbol: str, depth: str = "10", futures_type=FuturesType.USD_M
-    ):
-        """Subscribe to a futures depth data stream
-
-        https://binance-docs.github.io/apidocs/futures/en/#partial-book-depth-streams
-
-        :param symbol: required
-        :type symbol: str
-        :param depth: optional Number of depth entries to return, default 10.
-        :type depth: str
-        :param futures_type: use USD-M or COIN-M futures default USD-M
-        """
-        return self._get_futures_socket(
-            symbol.lower() + "@depth" + str(depth), futures_type=futures_type
-        )
-
     def symbol_mark_price_socket(
         self,
         symbol: str,
@@ -874,23 +853,11 @@ def multiplex_socket(self, streams: List[str]):
 
     def options_multiplex_socket(self, streams: List[str]):
         """Start a multiplexed socket using a list of socket names.
-        User stream sockets can not be included.
-
-        Symbols in socket name must be lowercase i.e bnbbtc@aggTrade, neobtc@ticker
-
-        Combined stream events are wrapped as follows: {"stream":"<streamName>","data":<rawPayload>}
-
-        https://binance-docs.github.io/apidocs/voptions/en/#account-and-trading-interface
-
-        :param streams: list of stream names in lower case
-        :type streams: list
-
-        :returns: connection key string if successful, False otherwise
-
-        Message Format - see Binance API docs for all types
+
+        https://developers.binance.com/docs/derivatives/option/websocket-market-streams
 
         """
-        stream_name = "/".join([s.lower() for s in streams])
+        stream_name = "/".join([s for s in streams])
         stream_path = f"streams={stream_name}"
         return self._get_options_socket(stream_path, prefix="stream?")
 
@@ -1036,60 +1003,179 @@ def isolated_margin_socket(self, symbol: str):
         return self._get_account_socket(symbol, stream_url=stream_url)
 
     def options_ticker_socket(self, symbol: str):
-        """Subscribe to a 24 hour ticker info stream
+        """Subscribe to a 24-hour ticker info stream for options trading.
 
-        https://binance-docs.github.io/apidocs/voptions/en/#market-streams-payload-24-hour-ticker
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/24-hour-TICKER
 
-        :param symbol: required
+        Stream provides real-time 24hr ticker information for all symbols. Only symbols whose ticker info 
+        changed will be sent. Updates every 1000ms.
+
+        :param symbol: The option symbol to subscribe to (e.g. "BTC-220930-18000-C")
         :type symbol: str
         """
-        return self._get_options_socket(symbol.lower() + "@ticker")
+        return self._get_options_socket(symbol.upper() + "@ticker")
 
     def options_ticker_by_expiration_socket(self, symbol: str, expiration_date: str):
-        """Subscribe to a 24 hour ticker info stream
-        https://binance-docs.github.io/apidocs/voptions/en/#24-hour-ticker-by-underlying-asset-and-expiration-data
-        :param symbol: required
+        """Subscribe to a 24-hour ticker info stream by underlying asset and expiration date.
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/24-hour-TICKER-by-underlying-asset-and-expiration-data
+
+        Stream provides real-time 24hr ticker information grouped by underlying asset and expiration date.
+        Updates every 1000ms.
+
+        :param symbol: The underlying asset (e.g., "ETH")
         :type symbol: str
-        :param expiration_date : required
+        :param expiration_date: The expiration date (e.g., "220930" for Sept 30, 2022)
         :type expiration_date: str
         """
-        return self._get_options_socket(symbol.lower() + "@ticker@" + expiration_date)
+        return self._get_options_socket(symbol.upper() + "@ticker@" + expiration_date)
 
     def options_recent_trades_socket(self, symbol: str):
-        """Subscribe to a latest completed trades stream
+        """Subscribe to a real-time trade information stream.
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Trade-Streams
 
-        https://binance-docs.github.io/apidocs/voptions/en/#market-streams-payload-latest-completed-trades
+        Stream pushes raw trade information for a specific symbol or underlying asset.
+        Updates every 50ms.
 
-        :param symbol: required
+        :param symbol: The option symbol or underlying asset (e.g., "BTC-200630-9000-P" or "BTC")
         :type symbol: str
         """
-        return self._get_options_socket(symbol.lower() + "@trade")
+        return self._get_options_socket(symbol.upper() + "@trade")
 
     def options_kline_socket(
         self, symbol: str, interval=AsyncClient.KLINE_INTERVAL_1MINUTE
     ):
-        """Subscribe to a candlestick data stream
+        """Subscribe to a Kline/Candlestick data stream.
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Kline-Candlestick-Streams
 
-        https://binance-docs.github.io/apidocs/voptions/en/#market-streams-payload-candle
+        Stream pushes updates to the current klines/candlestick every 1000ms (if existing).
 
-        :param symbol: required
+        Available intervals:
+        - Minutes: "1m", "3m", "5m", "15m", "30m"
+        - Hours: "1h", "2h", "4h", "6h", "12h"
+        - Days: "1d", "3d"
+        - Weeks: "1w"
+
+        :param symbol: The option symbol (e.g., "BTC-200630-9000-P")
         :type symbol: str
         :param interval: Kline interval, default KLINE_INTERVAL_1MINUTE
         :type interval: str
         """
-        return self._get_options_socket(symbol.lower() + "@kline_" + interval)
+        return self._get_options_socket(symbol.upper() + "@kline_" + interval)
 
     def options_depth_socket(self, symbol: str, depth: str = "10"):
-        """Subscribe to a depth data stream
+        """Subscribe to partial book depth stream for options trading.
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Partial-Book-Depth-Streams
 
-        https://binance-docs.github.io/apidocs/voptions/en/#market-streams-payload-depth
+        Stream provides top N bids and asks from the order book.
+        Default update speed is 500ms if not specified in the stream name.
+
+        :param symbol: The option symbol (e.g., "BTC-200630-9000-P")
+        :type symbol: str
+        :param depth: Number of price levels. Valid values: "10", "20", "50", "100"
+        :type depth: str
+        """
+        return self._get_options_socket(symbol.upper() + "@depth" + str(depth))
+
+    def futures_depth_socket(self, symbol: str, depth: str = "10", futures_type=FuturesType.USD_M):
+        """Subscribe to a futures depth data stream
+
+        https://binance-docs.github.io/apidocs/futures/en/#partial-book-depth-streams
 
         :param symbol: required
         :type symbol: str
         :param depth: optional Number of depth entries to return, default 10.
         :type depth: str
+        :param futures_type: use USD-M or COIN-M futures default USD-M
+        """
+        return self._get_futures_socket(
+            symbol.lower() + "@depth" + str(depth), futures_type=futures_type
+        )
+
+    def options_new_symbol_socket(self):
+        """Subscribe to a new symbol listing information stream.
+
+        Stream provides real-time notifications when new option symbols are listed.
+        Updates every 50ms.
+
+        Stream name: option_pair
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/New-Symbol-Info
+
+        Response fields include:
+        - Event type and timestamps
+        - Underlying index (e.g., 'BTCUSDT')
+        - Quotation asset (e.g., 'USDT')
+        - Trading pair name (e.g., 'BTC-221116-21000-C')
+        - Conversion ratio and minimum trade volume
+        - Option type (CALL/PUT)
+        - Strike price and expiration time
+        """
+        return self._get_options_socket("option_pair")
+
+    def options_open_interest_socket(self, symbol: str, expiration_date: str):
+        """Subscribe to an options open interest stream.
+
+        Stream provides open interest information for specific underlying asset on specific expiration date.
+        Updates every 60 seconds.
+
+        Stream name format: <underlyingAsset>@openInterest@<expirationDate>
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Open-Interest
+
+        Response fields include:
+        - Event type and timestamps
+        - Option symbol (e.g., 'ETH-221125-2700-C')
+        - Open interest in contracts
+        - Open interest in USDT
+
+        :param symbol: The underlying asset (e.g., "ETH")
+        :type symbol: str
+        :param expiration_date: The expiration date (e.g., "221125" for Nov 25, 2022)
+        :type expiration_date: str
+        """
+        return self._get_options_socket(symbol.upper() + "@openInterest@" + expiration_date)
+
+    def options_mark_price_socket(self, symbol: str):
+        """Subscribe to an options mark price stream.
+
+        Stream provides mark price information for all option symbols on specific underlying asset.
+        Updates every 1000ms.
+
+        Stream name format: <underlyingAsset>@markPrice
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Mark-Price
+
+        Response fields include:
+        - Event type and timestamps
+        - Option symbol (e.g., 'ETH-220930-1500-C')
+        - Option mark price
+
+        :param symbol: The underlying asset (e.g., "ETH")
+        :type symbol: str
+        """
+        return self._get_options_socket(symbol.upper() + "@markPrice")
+
+    def options_index_price_socket(self, symbol: str):
+        """Subscribe to an options index price stream.
+
+        API Reference: https://developers.binance.com/docs/derivatives/option/websocket-market-streams/Index-Price-Streams
+
+        Stream provides index price information for underlying assets (e.g., ETHUSDT).
+        Updates every 1000ms.
+
+        Response fields include:
+        - Event type and timestamps
+        - Underlying symbol (e.g., 'ETHUSDT')
+        - Index price
+
+        :param symbol: The underlying symbol (e.g., "ETHUSDT")
+        :type symbol: str
         """
-        return self._get_options_socket(symbol.lower() + "@depth" + str(depth))
+        return self._get_options_socket(symbol.upper() + "@index")
 
     async def _stop_socket(self, conn_key):
         """Stop a websocket given the connection key

tests/test_streams_options.py

@@ -0,0 +1,100 @@
+import sys
+import pytest
+from binance import BinanceSocketManager
+
+pytestmark = [
+    pytest.mark.skipif(sys.version_info < (3, 8), reason="websockets_proxy Python 3.8+"),
+    pytest.mark.asyncio
+]
+
+# Test constants
+OPTION_SYMBOL = "BTC-250328-40000-P"
+UNDERLYING_SYMBOL = "BTC"
+EXPIRATION_DATE = "250328"
+INTERVAL = "1m"
+DEPTH = "20"
+
+async def test_options_ticker(clientAsync):
+    """Test options ticker socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_ticker_socket(OPTION_SYMBOL)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert msg['e'] == '24hrTicker'
+    await clientAsync.close_connection()
+
+async def test_options_ticker_by_expiration(clientAsync):
+    """Test options ticker by expiration socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_ticker_by_expiration_socket(UNDERLYING_SYMBOL, EXPIRATION_DATE)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert len(msg) > 0
+    await clientAsync.close_connection()
+
+async def test_options_recent_trades(clientAsync):
+    """Test options recent trades socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_recent_trades_socket(UNDERLYING_SYMBOL)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert msg['e'] == 'trade'
+    await clientAsync.close_connection()
+
+async def test_options_kline(clientAsync):
+    """Test options kline socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_kline_socket(OPTION_SYMBOL, INTERVAL)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert msg['e'] == 'kline'
+    await clientAsync.close_connection()
+
+async def test_options_depth(clientAsync):
+    """Test options depth socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_depth_socket(OPTION_SYMBOL, DEPTH)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert msg['e'] == 'depth'
+    await clientAsync.close_connection()
+
+async def test_options_multiplex(clientAsync):
+    """Test options multiplex socket"""
+    bm = BinanceSocketManager(clientAsync)
+    streams = [
+        f"{OPTION_SYMBOL}@ticker",
+        f"{OPTION_SYMBOL}@trade",
+    ]
+    socket = bm.options_multiplex_socket(streams)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert 'stream' in msg
+    await clientAsync.close_connection()
+
+async def test_options_open_interest(clientAsync):
+    """Test options open interest socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_open_interest_socket(UNDERLYING_SYMBOL, EXPIRATION_DATE)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert len(msg) > 0
+    await clientAsync.close_connection()
+
+async def test_options_mark_price(clientAsync):
+    """Test options mark price socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_mark_price_socket(UNDERLYING_SYMBOL)
+    async with socket as ts:
+        msg = await ts.recv()
+        assert len(msg) > 0
+    await clientAsync.close_connection()
+
+async def test_options_index_price(clientAsync):
+    """Test options index price socket"""
+    bm = BinanceSocketManager(clientAsync)
+    socket = bm.options_index_price_socket('ETHUSDT')
+    async with socket as ts:
+        msg = await ts.recv()
+        assert msg['e'] == 'index'
+    await clientAsync.close_connection()