mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2024-11-20 10:39:59 +01:00
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
import trio
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import datetime
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from http import HTTPStatus
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from quart import jsonify
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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.route("/public/v1/payment/<payment_hash>", methods=["GET"])
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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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return jsonify({"message": "Payment does not exist."}), HTTPStatus.NOT_FOUND
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elif not payment.pending:
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return jsonify({"status": "paid"}), HTTPStatus.OK
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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 jsonify({"status": "expired"}), HTTPStatus.OK
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except:
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return jsonify({"message": "Invalid bolt11 invoice."}), HTTPStatus.BAD_REQUEST
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send_payment, receive_payment = trio.open_memory_channel(0)
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print("adding standalone invoice listener", payment_hash, send_payment)
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api_invoice_listeners.append(send_payment)
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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 receive_payment:
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if payment.payment_hash == payment_hash:
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nonlocal response
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response = (jsonify({"status": "paid"}), HTTPStatus.OK)
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cancel_scope.cancel()
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async def timeouter(cancel_scope):
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await trio.sleep(45)
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cancel_scope.cancel()
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async with trio.open_nursery() as nursery:
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nursery.start_soon(payment_info_receiver, nursery.cancel_scope)
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nursery.start_soon(timeouter, nursery.cancel_scope)
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if response:
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return response
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else:
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return jsonify({"message": "timeout"}), HTTPStatus.REQUEST_TIMEOUT
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