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Add signature_window to WebSocket def _auth() #67

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Add signature_window to WebSocket def _auth() #67

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9 changes: 7 additions & 2 deletions pybit/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1891,7 +1891,7 @@ def __init__(self, endpoint, api_key=None, api_secret=None,
subscriptions=None, logging_level=logging.INFO,
max_data_length=200, ping_interval=30, ping_timeout=10,
restart_on_error=True, purge_on_fetch=True,
trim_data=True):
trim_data=True, signature_window=1000):
"""
Initializes the websocket session.

Expand Down Expand Up @@ -1920,6 +1920,8 @@ def __init__(self, endpoint, api_key=None, api_secret=None,
length or only get the data since the last fetch?
:param trim_data: Decide whether the returning data should be
trimmed to only provide the data value.
:param signature_window: Timestamp window used for authentication
signature generation. Set in ms.

:returns: WebSocket session.
"""
Expand Down Expand Up @@ -2005,6 +2007,9 @@ def __init__(self, endpoint, api_key=None, api_secret=None,
self.api_key = api_key
self.api_secret = api_secret

# Set signature window
self.signature_window = signature_window

# Set topic subscriptions for WebSocket.
self.subscriptions = subscriptions
# Checking if using auth spot connection.
Expand Down Expand Up @@ -2080,7 +2085,7 @@ def _auth(self):
"""

# Generate expires.
expires = int((time.time() + 1) * 1000)
expires = int((time.time() + 1) * int(self.signature_window))

# Generate signature.
_val = f'GET/realtime{expires}'
Expand Down