Files
lnbits/lnbits/core/tasks.py
T
2026-07-01 16:57:22 +03:00

286 lines
9.3 KiB
Python

import asyncio
import json
from typing import Any
from fastapi import FastAPI
from loguru import logger
from lnbits.core.crud import (
create_audit_entry,
get_wallet,
)
from lnbits.core.crud.audit import delete_expired_audit_entries
from lnbits.core.crud.payments import get_payments_status_count
from lnbits.core.crud.users import get_accounts
from lnbits.core.crud.wallets import get_wallets_count
from lnbits.core.models.audit import AuditEntry
from lnbits.core.models.extensions import InstallableExtension
from lnbits.core.models.notifications import NotificationType
from lnbits.core.services.funding_source import (
check_balance_delta_changed,
check_server_balance_against_node,
get_balance_delta,
)
from lnbits.core.services.notifications import (
enqueue_admin_notification,
process_next_notification,
send_payment_notification,
)
from lnbits.db import Filters
from lnbits.settings import settings
from lnbits.utils.cache import cache
from lnbits.utils.exchange_rates import btc_rates
audit_queue: asyncio.Queue[AuditEntry] = asyncio.Queue()
async def run_by_the_minute_tasks() -> None:
minute_counter = 0
while settings.lnbits_running:
status_minutes = settings.lnbits_notification_server_status_hours * 60
if settings.notification_balance_delta_threshold_sats > 0:
try:
# runs by default every minute, the delta should not change that often
await check_balance_delta_changed()
except Exception as ex:
logger.error(ex)
if minute_counter % settings.lnbits_watchdog_interval_minutes == 0:
try:
await check_server_balance_against_node()
except Exception as ex:
logger.error(ex)
if minute_counter % status_minutes == 0:
try:
await _notify_server_status()
except Exception as ex:
logger.error(ex)
if minute_counter % 60 == 0:
try:
# initialize the list of all extensions
await InstallableExtension.get_installable_extensions(
post_refresh_cache=True
)
except Exception as ex:
logger.error(ex)
minute_counter += 1
await asyncio.sleep(60)
async def _notify_server_status() -> None:
accounts = await get_accounts(filters=Filters(limit=0))
wallets_count = await get_wallets_count()
payments = await get_payments_status_count()
status = await get_balance_delta()
values = {
"up_time": settings.lnbits_server_up_time,
"accounts_count": accounts.total,
"wallets_count": wallets_count,
"in_payments_count": payments.incoming,
"out_payments_count": payments.outgoing,
"pending_payments_count": payments.pending,
"failed_payments_count": payments.failed,
"delta_sats": status.delta_sats,
"lnbits_balance_sats": status.lnbits_balance_sats,
"node_balance_sats": status.node_balance_sats,
}
enqueue_admin_notification(NotificationType.server_status, values)
async def wait_for_paid_invoices(
invoice_paid_queue: asyncio.Queue, app: FastAPI | None = None
) -> None:
"""
This worker dispatches events to all extensions and dispatches webhooks.
"""
while settings.lnbits_running:
payment = await invoice_paid_queue.get()
logger.trace("received invoice paid event")
# payment notification
wallet = await get_wallet(payment.wallet_id)
if wallet:
await send_payment_notification(wallet, payment)
if app:
await dispatch_wasm_invoice_paid(app, payment)
async def dispatch_wasm_invoice_paid(app: FastAPI, payment: Any) -> None:
extension_id = _payment_extension_id(payment)
if not extension_id:
return
extensions = getattr(app.state, "lnbits_wasm_extensions", {})
extension = extensions.get(extension_id)
if not extension:
return
export_name = _wasm_invoice_paid_export(extension.config)
if not export_name:
return
if not _is_wasm_event_export(extension, export_name):
logger.warning(
f"WASM extension '{extension.id}' declares invalid onInvoicePaid "
f"export '{export_name}'."
)
return
try:
from lnbits.core.extensions.wasm import invoke_wasm_extension_export
await invoke_wasm_extension_export(
app,
extension.id,
export_name,
_wasm_invoice_paid_payload(payment),
context="event",
owner_id=await _wasm_invoice_paid_owner_id(extension, payment),
)
except Exception as exc:
logger.warning(
f"WASM extension '{extension.id}' failed to handle paid invoice "
f"'{payment.payment_hash}': {exc!s}"
)
def _payment_extension_id(payment: Any) -> str | None:
if isinstance(payment.extension, str) and payment.extension:
return payment.extension
extra = payment.extra or {}
tag = extra.get("tag") or payment.tag
return tag if isinstance(tag, str) and tag else None
async def _wasm_invoice_paid_owner_id(extension: Any, payment: Any) -> str | None:
source_id = _payment_source_id(payment)
source_table = _wasm_public_invoice_source_table(extension.config)
if not source_id or not source_table:
return None
from lnbits.core.extensions.storage import storage_get_row_owner_id
return await storage_get_row_owner_id(extension.id, source_table, source_id)
def _payment_source_id(payment: Any) -> str | None:
extra = payment.extra or {}
source_id = extra.get("source_id")
return source_id if isinstance(source_id, str) and source_id else None
def _wasm_public_invoice_source_table(config: dict[str, Any]) -> str | None:
permissions = config.get("permissions") or []
for permission in permissions:
if not isinstance(permission, dict):
continue
if permission.get("id") != "wallet.create_invoice_public":
continue
policy = permission.get("policy") or {}
table = policy.get("table")
return table if isinstance(table, str) and table else None
return None
def _wasm_invoice_paid_export(config: dict[str, Any]) -> str | None:
events = config.get("events") or {}
export_name = events.get("onInvoicePaid")
return export_name if isinstance(export_name, str) and export_name else None
def _is_wasm_event_export(extension: Any, export_name: str) -> bool:
for export in extension.exports:
if export.get("name") == export_name:
return export.get("visibility") == "event"
return False
def _wasm_invoice_paid_payload(payment: Any) -> dict[str, Any]:
return {
"checkingId": payment.checking_id,
"paymentHash": payment.payment_hash,
"walletId": payment.wallet_id,
"amount": payment.amount,
"fee": payment.fee,
"bolt11": payment.bolt11,
"memo": payment.memo,
"pending": payment.pending,
"status": payment.status,
"tag": payment.tag,
"extension": payment.extension,
"extra": payment.extra or {},
"payment": json.loads(payment.json()),
}
async def wait_for_audit_data() -> None:
"""
Waits for audit entries to be pushed to the queue.
Then it inserts the entries into the DB.
"""
while settings.lnbits_running:
data = await audit_queue.get()
try:
await create_audit_entry(data)
except Exception as ex:
logger.warning(ex)
await asyncio.sleep(3)
async def wait_notification_messages() -> None:
while settings.lnbits_running:
try:
await process_next_notification()
except Exception as ex:
logger.warning("Payment notification error", ex)
await asyncio.sleep(3)
async def purge_audit_data() -> None:
"""
Remove audit entries which have passed their retention period.
"""
while settings.lnbits_running:
try:
await delete_expired_audit_entries()
except Exception as ex:
logger.warning(ex)
# clean every hour
await asyncio.sleep(60 * 60)
async def collect_exchange_rates_data() -> None:
"""
Collect exchange rates data. Used for monitoring only.
"""
while settings.lnbits_running:
currency = settings.lnbits_default_accounting_currency or "USD"
max_history_size = settings.lnbits_exchange_history_size
sleep_time = settings.lnbits_exchange_history_refresh_interval_seconds
if sleep_time > 0:
try:
rates = await btc_rates(currency)
if rates:
rates_values = [r[1] for r in rates]
lnbits_rate = sum(rates_values) / len(rates_values)
rates.append(("LNbits", lnbits_rate))
cache.set(
f"btc-price-{currency}",
lnbits_rate,
expiry=settings.lnbits_exchange_rate_cache_seconds,
)
settings.append_exchange_rate_datapoint(dict(rates), max_history_size)
except Exception as ex:
logger.warning(ex)
else:
sleep_time = 60
await asyncio.sleep(sleep_time)