47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
import json
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import websocket
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json_payload = {
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"jsonrpc": 2,
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"method": "subscribe",
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"params": {
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"subscription_id": 1,
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"type": "securities",
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"filter": {
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"symbol": [
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"ETH"
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],
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"expiration": [
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"2023/04/28"
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],
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"venue": [
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"deribit"
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]
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}
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},
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"id": 1
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}
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json_string = json.dumps(json_payload)
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ws_url = "ws://localhost:8080"
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message_count = [0]
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# Define a callback function to handle received messages
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def on_message(ws, message):
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print("Received message: ", message)
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if(message_count[0]>0):
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ws.close()
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message_count[0]+=1
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# Define a callback function to handle the WebSocket connection opening
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def on_open(ws):
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print("WebSocket connection opened")
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ws.send(json_string)
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# Define a callback function to handle the WebSocket connection closing
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def on_close(ws):
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print("WebSocket connection closed")
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# Create a WebSocket connection and send the JSON payload
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ws = websocket.WebSocketApp(ws_url, on_message=on_message, on_open=on_open, on_close=on_close)
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# Start the WebSocket connection and listen for incoming messages
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ws.run_forever()
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input("press any key to continue")
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