lnbits-legend/lnbits/extensions/livestream/tasks.py
2022-10-21 18:28:39 +02:00

66 lines
2.2 KiB
Python

import asyncio
import json
from loguru import logger
from lnbits.core import db as core_db
from lnbits.core.models import Payment
from lnbits.core.services import create_invoice, pay_invoice
from lnbits.helpers import get_current_extension_name
from lnbits.tasks import register_invoice_listener
from .crud import get_livestream_by_track, get_producer, get_track
async def wait_for_paid_invoices():
invoice_queue = asyncio.Queue()
register_invoice_listener(invoice_queue, get_current_extension_name())
while True:
payment = await invoice_queue.get()
await on_invoice_paid(payment)
async def on_invoice_paid(payment: Payment) -> None:
if payment.extra.get("tag") != "livestream":
# not a livestream invoice
return
track = await get_track(payment.extra.get("track", -1))
if not track:
logger.error("this should never happen", payment)
return
if payment.extra.get("shared_with"):
logger.error("payment was shared already", payment)
return
producer = await get_producer(track.producer)
assert producer, f"track {track.id} is not associated with a producer"
ls = await get_livestream_by_track(track.id)
assert ls, f"track {track.id} is not associated with a livestream"
# now we make a special kind of internal transfer
amount = int(payment.amount * (100 - ls.fee_pct) / 100)
payment_hash, payment_request = await create_invoice(
wallet_id=tpos.tip_wallet,
amount=amount, # sats
internal=True,
memo=f"Revenue from '{track.name}'.",
)
logger.debug(f"livestream: producer invoice created: {payment_hash}")
checking_id = await pay_invoice(
payment_request=payment_request,
wallet_id=payment.wallet_id,
extra={"tag": "livestream"},
)
logger.debug(f"livestream: producer invoice paid: {checking_id}")
# so the flow is the following:
# - we receive, say, 1000 satoshis
# - if the fee_pct is, say, 30%, the amount we will send is 700
# - we change the amount of receiving payment on the database from 1000 to 300
# - we create a new payment on the producer's wallet with amount 700