lnbits-legend/lnbits/core/views/lnurl.py

61 lines
2 KiB
Python

import requests
from flask import abort, redirect, request, url_for
from http import HTTPStatus
from lnurl import LnurlWithdrawResponse, handle as handle_lnurl # type: ignore
from lnurl.exceptions import LnurlException # type: ignore
from time import sleep
from lnbits.core import core_app
from lnbits.settings import WALLET
from ..crud import create_account, get_user, create_wallet, create_payment
@core_app.route("/lnurlwallet")
def lnurlwallet():
memo = "LNbits LNURL funding"
try:
withdraw_res = handle_lnurl(request.args.get("lightning"))
if not withdraw_res.ok:
abort(HTTPStatus.BAD_REQUEST, f"Could not process LNURL-withdraw: {withdraw_res.error_msg}")
if not isinstance(withdraw_res, LnurlWithdrawResponse):
abort(HTTPStatus.BAD_REQUEST, "Not a valid LNURL-withdraw.")
except LnurlException:
abort(HTTPStatus.INTERNAL_SERVER_ERROR, "Could not process LNURL-withdraw.")
try:
ok, checking_id, payment_request, error_message = WALLET.create_invoice(withdraw_res.max_sats, memo)
except Exception as e:
ok, error_message = False, str(e)
if not ok:
abort(HTTPStatus.INTERNAL_SERVER_ERROR, error_message)
r = requests.get(
withdraw_res.callback.base,
params={**withdraw_res.callback.query_params, **{"k1": withdraw_res.k1, "pr": payment_request}},
)
if not r.ok:
abort(HTTPStatus.INTERNAL_SERVER_ERROR, "Could not process LNURL-withdraw.")
for i in range(10):
invoice_status = WALLET.get_invoice_status(checking_id)
sleep(i)
if not invoice_status.paid:
continue
break
user = get_user(create_account().id)
wallet = create_wallet(user_id=user.id)
create_payment(
wallet_id=wallet.id,
checking_id=checking_id,
amount=withdraw_res.max_sats * 1000,
memo=memo,
pending=invoice_status.pending,
)
return redirect(url_for("core.wallet", usr=user.id, wal=wallet.id))