mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2025-03-10 17:26:15 +01:00
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
import asyncio
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import datetime
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from http import HTTPStatus
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from fastapi import HTTPException
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from lnbits import bolt11
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from .. import core_app
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from ..crud import get_standalone_payment
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from ..tasks import api_invoice_listeners
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@core_app.get("/public/v1/payment/{payment_hash}")
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async def api_public_payment_longpolling(payment_hash):
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payment = await get_standalone_payment(payment_hash)
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if not payment:
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raise HTTPException(
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status_code=HTTPStatus.NOT_FOUND, detail="Payment does not exist."
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)
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elif not payment.pending:
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return {"status": "paid"}
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try:
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invoice = bolt11.decode(payment.bolt11)
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expiration = datetime.datetime.fromtimestamp(invoice.date + invoice.expiry)
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if expiration < datetime.datetime.now():
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return {"status": "expired"}
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except:
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raise HTTPException(
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status_code=HTTPStatus.BAD_REQUEST, detail="Invalid bolt11 invoice."
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)
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payment_queue = asyncio.Queue(0)
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print("adding standalone invoice listener", payment_hash, payment_queue)
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api_invoice_listeners.append(payment_queue)
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response = None
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async def payment_info_receiver(cancel_scope):
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async for payment in payment_queue.get():
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if payment.payment_hash == payment_hash:
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nonlocal response
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response = {"status": "paid"}
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cancel_scope.cancel()
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async def timeouter(cancel_scope):
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await asyncio.sleep(45)
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cancel_scope.cancel()
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asyncio.create_task(payment_info_receiver())
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asyncio.create_task(timeouter())
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if response:
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return response
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else:
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raise HTTPException(status_code=HTTPStatus.REQUEST_TIMEOUT, detail="timeout")
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