96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
import asyncio
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import json
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from asyncio import Queue
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from threading import Thread
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from typing import Callable
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from loguru import logger
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from websocket import WebSocketApp
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from lnbits.app import settings
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from .event import NostrEvent
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class NostrClient:
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def __init__(self):
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self.recieve_event_queue: Queue = Queue()
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self.send_req_queue: Queue = Queue()
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self.ws: WebSocketApp = None
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async def connect_to_nostrclient_ws(
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self, on_open: Callable, on_message: Callable
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) -> WebSocketApp:
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def on_error(_, error):
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logger.warning(error)
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logger.debug(f"Subscribing to websockets for nostrclient extension")
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ws = WebSocketApp(
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f"ws://localhost:{settings.port}/nostrclient/api/v1/relay",
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on_message=on_message,
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on_open=on_open,
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on_error=on_error,
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)
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wst = Thread(target=ws.run_forever)
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wst.daemon = True
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wst.start()
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return ws
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async def get_event(self):
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return await self.recieve_event_queue.get()
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async def run_forever(self):
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def on_open(_):
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logger.info("Connected to 'nostrclient' websocket")
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def on_message(_, message):
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# print("### on_message", message)
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self.recieve_event_queue.put_nowait(message)
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while True:
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try:
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req = None
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if not self.ws:
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self.ws = await self.connect_to_nostrclient_ws(on_open, on_message)
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# be sure the connection is open
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await asyncio.sleep(3)
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req = await self.send_req_queue.get()
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self.ws.send(json.dumps(req))
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except Exception as ex:
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logger.warning(ex)
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if req:
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await self.send_req_queue.put(req)
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self.ws = None # todo close
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await asyncio.sleep(5)
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async def publish_nostr_event(self, e: NostrEvent):
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print("### publish_nostr_event", e.dict())
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await self.send_req_queue.put(["EVENT", e.dict()])
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async def subscribe_to_direct_messages(self, public_key: str, since: int):
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in_messages_filter = {"kind": 4, "#p": [public_key]}
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out_messages_filter = {"kind": 4, "authors": [public_key]}
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if since != 0:
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in_messages_filter["since"] = since
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out_messages_filter["since"] = since
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print("### in_messages_filter", in_messages_filter)
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print("### out_messages_filter", out_messages_filter)
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await self.send_req_queue.put(
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["REQ", f"direct-messages-in:{public_key}", in_messages_filter]
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)
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await self.send_req_queue.put(
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["REQ", f"direct-messages-out:{public_key}", out_messages_filter]
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)
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async def unsubscribe_from_direct_messages(self, public_key: str):
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await self.send_req_queue.put(["CLOSE", f"direct-messages-in:{public_key}"])
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await self.send_req_queue.put(["CLOSE", f"direct-messages-out:{public_key}"])
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def stop(self):
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try:
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self.ws.close()
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except Exception as ex:
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logger.warning(ex)
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