mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2024-11-20 10:39:59 +01:00
89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
import asyncio
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import json
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from lnbits.core import db as core_db
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from lnbits.core.crud import create_payment
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from lnbits.core.models import Payment
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from lnbits.helpers import urlsafe_short_hash
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from lnbits.tasks import internal_invoice_listener, register_invoice_listener
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from .crud import get_livestream_by_track, get_producer, get_track
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async def wait_for_paid_invoices():
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invoice_queue = asyncio.Queue()
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register_invoice_listener(invoice_queue)
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while True:
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payment = await invoice_queue.get()
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await on_invoice_paid(payment)
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async def on_invoice_paid(payment: Payment) -> None:
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if "livestream" != payment.extra.get("tag"):
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# not a livestream invoice
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return
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track = await get_track(payment.extra.get("track", -1))
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if not track:
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print("this should never happen", payment)
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return
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if payment.extra.get("shared_with"):
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print("payment was shared already", payment)
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return
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producer = await get_producer(track.producer)
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assert producer, f"track {track.id} is not associated with a producer"
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ls = await get_livestream_by_track(track.id)
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assert ls, f"track {track.id} is not associated with a livestream"
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# now we make a special kind of internal transfer
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amount = int(payment.amount * (100 - ls.fee_pct) / 100)
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# mark the original payment with two extra keys, "shared_with" and "received"
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# (this prevents us from doing this process again and it's informative)
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# and reduce it by the amount we're going to send to the producer
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await core_db.execute(
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"""
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UPDATE apipayments
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SET extra = ?, amount = ?
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WHERE hash = ?
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AND checking_id NOT LIKE 'internal_%'
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""",
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(
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json.dumps(
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dict(
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**payment.extra,
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shared_with=[producer.name, producer.id],
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received=payment.amount,
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)
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),
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payment.amount - amount,
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payment.payment_hash,
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),
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)
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# perform an internal transfer using the same payment_hash to the producer wallet
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internal_checking_id = f"internal_{urlsafe_short_hash()}"
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await create_payment(
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wallet_id=producer.wallet,
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checking_id=internal_checking_id,
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payment_request="",
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payment_hash=payment.payment_hash,
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amount=amount,
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memo=f"Revenue from '{track.name}'.",
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pending=False,
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)
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# manually send this for now
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# await internal_invoice_paid.send(internal_checking_id)
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await internal_invoice_listener.put(internal_checking_id)
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# so the flow is the following:
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# - we receive, say, 1000 satoshis
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# - if the fee_pct is, say, 30%, the amount we will send is 700
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# - we change the amount of receiving payment on the database from 1000 to 300
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# - we create a new payment on the producer's wallet with amount 700
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