mirror of
https://github.com/lnbits/lnbits-legend.git
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352fd23c0b
* refactor: dev-friendly payment status name * refactor: change `PaymentStatus(True, ...)` to `PaymentSuccessStatus(...)`
793 lines
27 KiB
Python
793 lines
27 KiB
Python
import asyncio
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import datetime
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import json
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import time
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from io import BytesIO
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from pathlib import Path
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from typing import Dict, List, Optional, Tuple, TypedDict
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from urllib.parse import parse_qs, urlparse
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import httpx
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from bolt11 import Bolt11
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from bolt11 import decode as bolt11_decode
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from cryptography.hazmat.primitives import serialization
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from fastapi import Depends, WebSocket
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from loguru import logger
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from py_vapid import Vapid
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from py_vapid.utils import b64urlencode
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from lnbits.core.db import db
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from lnbits.db import Connection
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from lnbits.decorators import WalletTypeInfo, require_admin_key
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from lnbits.helpers import url_for
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from lnbits.lnurl import LnurlErrorResponse
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from lnbits.lnurl import decode as decode_lnurl
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from lnbits.settings import (
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EditableSettings,
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SuperSettings,
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readonly_variables,
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send_admin_user_to_saas,
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settings,
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)
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from lnbits.utils.exchange_rates import fiat_amount_as_satoshis, satoshis_amount_as_fiat
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from lnbits.wallets import FAKE_WALLET, get_wallet_class, set_wallet_class
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from lnbits.wallets.base import (
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PaymentPendingStatus,
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PaymentResponse,
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PaymentStatus,
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PaymentSuccessStatus,
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)
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from .crud import (
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check_internal,
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check_internal_pending,
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create_account,
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create_admin_settings,
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create_payment,
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create_wallet,
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delete_wallet_payment,
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get_account,
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get_payments,
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get_standalone_payment,
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get_super_settings,
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get_total_balance,
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get_wallet,
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get_wallet_payment,
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update_admin_settings,
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update_payment_details,
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update_payment_status,
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update_super_user,
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)
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from .helpers import to_valid_user_id
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from .models import Payment, UserConfig, Wallet
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class PaymentFailure(Exception):
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pass
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class InvoiceFailure(Exception):
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pass
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async def calculate_fiat_amounts(
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amount: float,
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wallet_id: str,
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currency: Optional[str] = None,
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extra: Optional[Dict] = None,
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conn: Optional[Connection] = None,
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) -> Tuple[int, Optional[Dict]]:
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wallet = await get_wallet(wallet_id, conn=conn)
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assert wallet, "invalid wallet_id"
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wallet_currency = wallet.currency or settings.lnbits_default_accounting_currency
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if currency and currency != "sat":
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amount_sat = await fiat_amount_as_satoshis(amount, currency)
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extra = extra or {}
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if currency != wallet_currency:
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extra["fiat_currency"] = currency
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extra["fiat_amount"] = round(amount, ndigits=3)
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extra["fiat_rate"] = amount_sat / amount
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else:
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amount_sat = int(amount)
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if wallet_currency:
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if wallet_currency == currency:
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fiat_amount = amount
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else:
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fiat_amount = await satoshis_amount_as_fiat(amount_sat, wallet_currency)
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extra = extra or {}
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extra["wallet_fiat_currency"] = wallet_currency
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extra["wallet_fiat_amount"] = round(fiat_amount, ndigits=3)
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extra["wallet_fiat_rate"] = amount_sat / fiat_amount
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logger.debug(
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f"Calculated fiat amounts {wallet.id=} {amount=} {currency=}: {extra=}"
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)
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return amount_sat, extra
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async def create_invoice(
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*,
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wallet_id: str,
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amount: float,
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currency: Optional[str] = "sat",
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memo: str,
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description_hash: Optional[bytes] = None,
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unhashed_description: Optional[bytes] = None,
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expiry: Optional[int] = None,
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extra: Optional[Dict] = None,
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webhook: Optional[str] = None,
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internal: Optional[bool] = False,
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conn: Optional[Connection] = None,
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) -> Tuple[str, str]:
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if not amount > 0:
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raise InvoiceFailure("Amountless invoices not supported.")
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user_wallet = await get_wallet(wallet_id, conn=conn)
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if not user_wallet:
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raise InvoiceFailure(f"Could not fetch wallet '{wallet_id}'.")
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invoice_memo = None if description_hash else memo
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# use the fake wallet if the invoice is for internal use only
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wallet = FAKE_WALLET if internal else get_wallet_class()
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amount_sat, extra = await calculate_fiat_amounts(
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amount, wallet_id, currency=currency, extra=extra, conn=conn
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)
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if settings.is_wallet_max_balance_exceeded(
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user_wallet.balance_msat / 1000 + amount_sat
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):
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raise InvoiceFailure(
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f"Wallet balance cannot exceed "
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f"{settings.lnbits_wallet_limit_max_balance} sats."
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)
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ok, checking_id, payment_request, error_message = await wallet.create_invoice(
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amount=amount_sat,
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memo=invoice_memo,
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description_hash=description_hash,
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unhashed_description=unhashed_description,
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expiry=expiry or settings.lightning_invoice_expiry,
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)
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if not ok or not payment_request or not checking_id:
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raise InvoiceFailure(error_message or "unexpected backend error.")
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invoice = bolt11_decode(payment_request)
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amount_msat = 1000 * amount_sat
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await create_payment(
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wallet_id=wallet_id,
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checking_id=checking_id,
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payment_request=payment_request,
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payment_hash=invoice.payment_hash,
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amount=amount_msat,
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expiry=get_bolt11_expiry(invoice),
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memo=memo,
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extra=extra,
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webhook=webhook,
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conn=conn,
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)
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return invoice.payment_hash, payment_request
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async def pay_invoice(
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*,
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wallet_id: str,
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payment_request: str,
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max_sat: Optional[int] = None,
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extra: Optional[Dict] = None,
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description: str = "",
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conn: Optional[Connection] = None,
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) -> str:
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"""
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Pay a Lightning invoice.
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First, we create a temporary payment in the database with fees set to the reserve
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fee. We then check whether the balance of the payer would go negative.
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We then attempt to pay the invoice through the backend. If the payment is
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successful, we update the payment in the database with the payment details.
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If the payment is unsuccessful, we delete the temporary payment.
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If the payment is still in flight, we hope that some other process
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will regularly check for the payment.
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"""
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try:
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invoice = bolt11_decode(payment_request)
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except Exception:
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raise InvoiceFailure("Bolt11 decoding failed.")
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if not invoice.amount_msat or not invoice.amount_msat > 0:
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raise InvoiceFailure("Amountless invoices not supported.")
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if max_sat and invoice.amount_msat > max_sat * 1000:
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raise InvoiceFailure("Amount in invoice is too high.")
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await check_wallet_limits(wallet_id, conn, invoice.amount_msat)
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async with db.reuse_conn(conn) if conn else db.connect() as conn:
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temp_id = invoice.payment_hash
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internal_id = f"internal_{invoice.payment_hash}"
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_, extra = await calculate_fiat_amounts(
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invoice.amount_msat / 1000, wallet_id, extra=extra, conn=conn
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)
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# put all parameters that don't change here
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class PaymentKwargs(TypedDict):
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wallet_id: str
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payment_request: str
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payment_hash: str
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amount: int
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memo: str
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expiry: Optional[datetime.datetime]
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extra: Optional[Dict]
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payment_kwargs: PaymentKwargs = PaymentKwargs(
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wallet_id=wallet_id,
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payment_request=payment_request,
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payment_hash=invoice.payment_hash,
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amount=-invoice.amount_msat,
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expiry=get_bolt11_expiry(invoice),
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memo=description or invoice.description or "",
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extra=extra,
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)
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# we check if an internal invoice exists that has already been paid
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# (not pending anymore)
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if not await check_internal_pending(invoice.payment_hash, conn=conn):
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raise PaymentFailure("Internal invoice already paid.")
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# check_internal() returns the checking_id of the invoice we're waiting for
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# (pending only)
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internal_checking_id = await check_internal(invoice.payment_hash, conn=conn)
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if internal_checking_id:
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fee_reserve_total_msat = fee_reserve_total(
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invoice.amount_msat, internal=True
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)
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# perform additional checks on the internal payment
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# the payment hash is not enough to make sure that this is the same invoice
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internal_invoice = await get_standalone_payment(
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internal_checking_id, incoming=True, conn=conn
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)
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assert internal_invoice is not None
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if (
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internal_invoice.amount != invoice.amount_msat
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or internal_invoice.bolt11 != payment_request.lower()
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):
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raise PaymentFailure("Invalid invoice.")
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logger.debug(f"creating temporary internal payment with id {internal_id}")
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# create a new payment from this wallet
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new_payment = await create_payment(
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checking_id=internal_id,
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fee=0 + abs(fee_reserve_total_msat),
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pending=False,
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conn=conn,
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**payment_kwargs,
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)
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else:
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fee_reserve_total_msat = fee_reserve_total(
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invoice.amount_msat, internal=False
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)
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logger.debug(f"creating temporary payment with id {temp_id}")
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# create a temporary payment here so we can check if
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# the balance is enough in the next step
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try:
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new_payment = await create_payment(
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checking_id=temp_id,
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fee=-abs(fee_reserve_total_msat),
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conn=conn,
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**payment_kwargs,
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)
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except Exception as e:
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logger.error(f"could not create temporary payment: {e}")
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# happens if the same wallet tries to pay an invoice twice
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raise PaymentFailure("Could not make payment.")
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# do the balance check
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wallet = await get_wallet(wallet_id, conn=conn)
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assert wallet, "Wallet for balancecheck could not be fetched"
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if wallet.balance_msat < 0:
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logger.debug("balance is too low, deleting temporary payment")
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if (
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not internal_checking_id
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and wallet.balance_msat > -fee_reserve_total_msat
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):
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raise PaymentFailure(
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f"You must reserve at least ({round(fee_reserve_total_msat/1000)}"
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" sat) to cover potential routing fees."
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)
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raise PermissionError("Insufficient balance.")
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if internal_checking_id:
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service_fee_msat = service_fee(invoice.amount_msat, internal=True)
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logger.debug(f"marking temporary payment as not pending {internal_checking_id}")
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# mark the invoice from the other side as not pending anymore
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# so the other side only has access to his new money when we are sure
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# the payer has enough to deduct from
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async with db.connect() as conn:
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await update_payment_status(
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checking_id=internal_checking_id, pending=False, conn=conn
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)
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await send_payment_notification(wallet, new_payment)
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# notify receiver asynchronously
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from lnbits.tasks import internal_invoice_queue
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logger.debug(f"enqueuing internal invoice {internal_checking_id}")
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await internal_invoice_queue.put(internal_checking_id)
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else:
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fee_reserve_msat = fee_reserve(invoice.amount_msat, internal=False)
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service_fee_msat = service_fee(invoice.amount_msat, internal=False)
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logger.debug(f"backend: sending payment {temp_id}")
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# actually pay the external invoice
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WALLET = get_wallet_class()
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payment: PaymentResponse = await WALLET.pay_invoice(
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payment_request, fee_reserve_msat
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)
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if payment.checking_id and payment.checking_id != temp_id:
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logger.warning(
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f"backend sent unexpected checking_id (expected: {temp_id} got:"
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f" {payment.checking_id})"
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)
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logger.debug(f"backend: pay_invoice finished {temp_id}")
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if payment.checking_id and payment.ok is not False:
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# payment.ok can be True (paid) or None (pending)!
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logger.debug(f"updating payment {temp_id}")
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async with db.connect() as conn:
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await update_payment_details(
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checking_id=temp_id,
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pending=payment.ok is not True,
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fee=-(
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abs(payment.fee_msat if payment.fee_msat else 0)
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+ abs(service_fee_msat)
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),
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preimage=payment.preimage,
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new_checking_id=payment.checking_id,
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conn=conn,
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)
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wallet = await get_wallet(wallet_id, conn=conn)
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updated = await get_wallet_payment(
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wallet_id, payment.checking_id, conn=conn
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)
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if wallet and updated:
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await send_payment_notification(wallet, updated)
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logger.debug(f"payment successful {payment.checking_id}")
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elif payment.checking_id is None and payment.ok is False:
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# payment failed
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logger.warning("backend sent payment failure")
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async with db.connect() as conn:
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logger.debug(f"deleting temporary payment {temp_id}")
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await delete_wallet_payment(temp_id, wallet_id, conn=conn)
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raise PaymentFailure(
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f"Payment failed: {payment.error_message}"
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or "Payment failed, but backend didn't give us an error message."
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)
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else:
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logger.warning(
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"didn't receive checking_id from backend, payment may be stuck in"
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f" database: {temp_id}"
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)
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# credit service fee wallet
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if settings.lnbits_service_fee_wallet and service_fee_msat:
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new_payment = await create_payment(
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wallet_id=settings.lnbits_service_fee_wallet,
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fee=0,
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amount=abs(service_fee_msat),
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memo="Service fee",
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checking_id="service_fee" + temp_id,
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payment_request=payment_request,
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payment_hash=invoice.payment_hash,
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pending=False,
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)
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return invoice.payment_hash
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async def check_wallet_limits(wallet_id, conn, amount_msat):
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await check_time_limit_between_transactions(conn, wallet_id)
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await check_wallet_daily_withdraw_limit(conn, wallet_id, amount_msat)
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async def check_time_limit_between_transactions(conn, wallet_id):
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limit = settings.lnbits_wallet_limit_secs_between_trans
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if not limit or limit <= 0:
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return
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payments = await get_payments(
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since=int(time.time()) - limit,
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wallet_id=wallet_id,
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limit=1,
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conn=conn,
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)
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if len(payments) == 0:
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return
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raise ValueError(
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f"The time limit of {limit} seconds between payments has been reached."
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)
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async def check_wallet_daily_withdraw_limit(conn, wallet_id, amount_msat):
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limit = settings.lnbits_wallet_limit_daily_max_withdraw
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if not limit or limit <= 0:
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return
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payments = await get_payments(
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since=int(time.time()) - 60 * 60 * 24,
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outgoing=True,
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wallet_id=wallet_id,
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limit=1,
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conn=conn,
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)
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if len(payments) == 0:
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return
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total = 0
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for pay in payments:
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total += pay.amount
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total = total - amount_msat
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if limit * 1000 + total < 0:
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raise ValueError(
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"Daily withdrawal limit of "
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+ str(settings.lnbits_wallet_limit_daily_max_withdraw)
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+ " sats reached."
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)
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async def redeem_lnurl_withdraw(
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wallet_id: str,
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lnurl_request: str,
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memo: Optional[str] = None,
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extra: Optional[Dict] = None,
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wait_seconds: int = 0,
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conn: Optional[Connection] = None,
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) -> None:
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if not lnurl_request:
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return None
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res = {}
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headers = {"User-Agent": settings.user_agent}
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async with httpx.AsyncClient(headers=headers) as client:
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lnurl = decode_lnurl(lnurl_request)
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r = await client.get(str(lnurl))
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res = r.json()
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try:
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_, payment_request = await create_invoice(
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wallet_id=wallet_id,
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amount=int(res["maxWithdrawable"] / 1000),
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memo=memo or res["defaultDescription"] or "",
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extra=extra,
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conn=conn,
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)
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except Exception:
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logger.warning(
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f"failed to create invoice on redeem_lnurl_withdraw "
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f"from {lnurl}. params: {res}"
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)
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return None
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if wait_seconds:
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await asyncio.sleep(wait_seconds)
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params = {"k1": res["k1"], "pr": payment_request}
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try:
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params["balanceNotify"] = url_for(
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f"/withdraw/notify/{urlparse(lnurl_request).netloc}",
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external=True,
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wal=wallet_id,
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)
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except Exception:
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pass
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headers = {"User-Agent": settings.user_agent}
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async with httpx.AsyncClient(headers=headers) as client:
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try:
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await client.get(res["callback"], params=params)
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except Exception:
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pass
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async def perform_lnurlauth(
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callback: str,
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wallet: WalletTypeInfo = Depends(require_admin_key),
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conn: Optional[Connection] = None,
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) -> Optional[LnurlErrorResponse]:
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cb = urlparse(callback)
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k1 = bytes.fromhex(parse_qs(cb.query)["k1"][0])
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key = wallet.wallet.lnurlauth_key(cb.netloc)
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def int_to_bytes_suitable_der(x: int) -> bytes:
|
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"""for strict DER we need to encode the integer with some quirks"""
|
|
b = x.to_bytes((x.bit_length() + 7) // 8, "big")
|
|
|
|
if len(b) == 0:
|
|
# ensure there's at least one byte when the int is zero
|
|
return bytes([0])
|
|
|
|
if b[0] & 0x80 != 0:
|
|
# ensure it doesn't start with a 0x80 and so it isn't
|
|
# interpreted as a negative number
|
|
return bytes([0]) + b
|
|
|
|
return b
|
|
|
|
def encode_strict_der(r: int, s: int, order: int):
|
|
# if s > order/2 verification will fail sometimes
|
|
# so we must fix it here see:
|
|
# https://github.com/indutny/elliptic/blob/e71b2d9359c5fe9437fbf46f1f05096de447de57/lib/elliptic/ec/index.js#L146-L147
|
|
if s > order // 2:
|
|
s = order - s
|
|
|
|
# now we do the strict DER encoding copied from
|
|
# https://github.com/KiriKiri/bip66 (without any checks)
|
|
r_temp = int_to_bytes_suitable_der(r)
|
|
s_temp = int_to_bytes_suitable_der(s)
|
|
|
|
r_len = len(r_temp)
|
|
s_len = len(s_temp)
|
|
sign_len = 6 + r_len + s_len
|
|
|
|
signature = BytesIO()
|
|
signature.write(0x30.to_bytes(1, "big", signed=False))
|
|
signature.write((sign_len - 2).to_bytes(1, "big", signed=False))
|
|
signature.write(0x02.to_bytes(1, "big", signed=False))
|
|
signature.write(r_len.to_bytes(1, "big", signed=False))
|
|
signature.write(r_temp)
|
|
signature.write(0x02.to_bytes(1, "big", signed=False))
|
|
signature.write(s_len.to_bytes(1, "big", signed=False))
|
|
signature.write(s_temp)
|
|
|
|
return signature.getvalue()
|
|
|
|
sig = key.sign_digest_deterministic(k1, sigencode=encode_strict_der)
|
|
|
|
headers = {"User-Agent": settings.user_agent}
|
|
async with httpx.AsyncClient(headers=headers) as client:
|
|
assert key.verifying_key, "LNURLauth verifying_key does not exist"
|
|
r = await client.get(
|
|
callback,
|
|
params={
|
|
"k1": k1.hex(),
|
|
"key": key.verifying_key.to_string("compressed").hex(),
|
|
"sig": sig.hex(),
|
|
},
|
|
)
|
|
try:
|
|
resp = json.loads(r.text)
|
|
if resp["status"] == "OK":
|
|
return None
|
|
|
|
return LnurlErrorResponse(reason=resp["reason"])
|
|
except (KeyError, json.decoder.JSONDecodeError):
|
|
return LnurlErrorResponse(
|
|
reason=r.text[:200] + "..." if len(r.text) > 200 else r.text
|
|
)
|
|
|
|
|
|
async def check_transaction_status(
|
|
wallet_id: str, payment_hash: str, conn: Optional[Connection] = None
|
|
) -> PaymentStatus:
|
|
payment: Optional[Payment] = await get_wallet_payment(
|
|
wallet_id, payment_hash, conn=conn
|
|
)
|
|
if not payment:
|
|
return PaymentPendingStatus()
|
|
if not payment.pending:
|
|
# note: before, we still checked the status of the payment again
|
|
return PaymentSuccessStatus(fee_msat=payment.fee)
|
|
|
|
status: PaymentStatus = await payment.check_status()
|
|
return status
|
|
|
|
|
|
# WARN: this same value must be used for balance check and passed to
|
|
# WALLET.pay_invoice(), it may cause a vulnerability if the values differ
|
|
def fee_reserve(amount_msat: int, internal: bool = False) -> int:
|
|
if internal:
|
|
return 0
|
|
reserve_min = settings.lnbits_reserve_fee_min
|
|
reserve_percent = settings.lnbits_reserve_fee_percent
|
|
return max(int(reserve_min), int(amount_msat * reserve_percent / 100.0))
|
|
|
|
|
|
def service_fee(amount_msat: int, internal: bool = False) -> int:
|
|
service_fee_percent = settings.lnbits_service_fee
|
|
fee_max = settings.lnbits_service_fee_max * 1000
|
|
if settings.lnbits_service_fee_wallet:
|
|
if internal and settings.lnbits_service_fee_ignore_internal:
|
|
return 0
|
|
fee_percentage = int(amount_msat / 100 * service_fee_percent)
|
|
if fee_max > 0 and fee_percentage > fee_max:
|
|
return fee_max
|
|
else:
|
|
return fee_percentage
|
|
else:
|
|
return 0
|
|
|
|
|
|
def fee_reserve_total(amount_msat: int, internal: bool = False) -> int:
|
|
return fee_reserve(amount_msat, internal) + service_fee(amount_msat, internal)
|
|
|
|
|
|
async def send_payment_notification(wallet: Wallet, payment: Payment):
|
|
await websocketUpdater(
|
|
wallet.id,
|
|
json.dumps(
|
|
{
|
|
"wallet_balance": wallet.balance,
|
|
"payment": payment.dict(),
|
|
}
|
|
),
|
|
)
|
|
|
|
|
|
async def update_wallet_balance(wallet_id: str, amount: int):
|
|
payment_hash, _ = await create_invoice(
|
|
wallet_id=wallet_id,
|
|
amount=amount,
|
|
memo="Admin top up",
|
|
internal=True,
|
|
)
|
|
async with db.connect() as conn:
|
|
checking_id = await check_internal(payment_hash, conn=conn)
|
|
assert checking_id, "newly created checking_id cannot be retrieved"
|
|
await update_payment_status(checking_id=checking_id, pending=False, conn=conn)
|
|
# notify receiver asynchronously
|
|
from lnbits.tasks import internal_invoice_queue
|
|
|
|
await internal_invoice_queue.put(checking_id)
|
|
|
|
|
|
async def check_admin_settings():
|
|
if settings.super_user:
|
|
settings.super_user = to_valid_user_id(settings.super_user).hex
|
|
|
|
if settings.lnbits_admin_ui:
|
|
settings_db = await get_super_settings()
|
|
if not settings_db:
|
|
# create new settings if table is empty
|
|
logger.warning("Settings DB empty. Inserting default settings.")
|
|
settings_db = await init_admin_settings(settings.super_user)
|
|
logger.warning("Initialized settings from environment variables.")
|
|
|
|
if settings.super_user and settings.super_user != settings_db.super_user:
|
|
# .env super_user overwrites DB super_user
|
|
settings_db = await update_super_user(settings.super_user)
|
|
|
|
update_cached_settings(settings_db.dict())
|
|
|
|
# saving superuser to {data_dir}/.super_user file
|
|
with open(Path(settings.lnbits_data_folder) / ".super_user", "w") as file:
|
|
file.write(settings.super_user)
|
|
|
|
# callback for saas
|
|
if (
|
|
settings.lnbits_saas_callback
|
|
and settings.lnbits_saas_secret
|
|
and settings.lnbits_saas_instance_id
|
|
):
|
|
send_admin_user_to_saas()
|
|
|
|
account = await get_account(settings.super_user)
|
|
if account and account.config and account.config.provider == "env":
|
|
settings.first_install = True
|
|
|
|
logger.success(
|
|
"✔️ Admin UI is enabled. run `poetry run lnbits-cli superuser` "
|
|
"to get the superuser."
|
|
)
|
|
|
|
|
|
async def check_webpush_settings():
|
|
if not settings.lnbits_webpush_privkey:
|
|
vapid = Vapid()
|
|
vapid.generate_keys()
|
|
privkey = vapid.private_pem()
|
|
assert vapid.public_key, "VAPID public key does not exist"
|
|
pubkey = b64urlencode(
|
|
vapid.public_key.public_bytes(
|
|
serialization.Encoding.X962,
|
|
serialization.PublicFormat.UncompressedPoint,
|
|
)
|
|
)
|
|
push_settings = {
|
|
"lnbits_webpush_privkey": privkey.decode(),
|
|
"lnbits_webpush_pubkey": pubkey,
|
|
}
|
|
update_cached_settings(push_settings)
|
|
await update_admin_settings(EditableSettings(**push_settings))
|
|
|
|
logger.info("Initialized webpush settings with generated VAPID key pair.")
|
|
logger.info(f"Pubkey: {settings.lnbits_webpush_pubkey}")
|
|
|
|
|
|
def update_cached_settings(sets_dict: dict):
|
|
for key, value in sets_dict.items():
|
|
if key in readonly_variables:
|
|
continue
|
|
if key not in settings.dict().keys():
|
|
continue
|
|
try:
|
|
setattr(settings, key, value)
|
|
except Exception:
|
|
logger.warning(f"Failed overriding setting: {key}, value: {value}")
|
|
if "super_user" in sets_dict:
|
|
setattr(settings, "super_user", sets_dict["super_user"])
|
|
|
|
|
|
async def init_admin_settings(super_user: Optional[str] = None) -> SuperSettings:
|
|
account = None
|
|
if super_user:
|
|
account = await get_account(super_user)
|
|
if not account:
|
|
account = await create_account(
|
|
user_id=super_user, user_config=UserConfig(provider="env")
|
|
)
|
|
if not account.wallets or len(account.wallets) == 0:
|
|
await create_wallet(user_id=account.id)
|
|
|
|
editable_settings = EditableSettings.from_dict(settings.dict())
|
|
|
|
return await create_admin_settings(account.id, editable_settings.dict())
|
|
|
|
|
|
class WebsocketConnectionManager:
|
|
def __init__(self) -> None:
|
|
self.active_connections: List[WebSocket] = []
|
|
|
|
async def connect(self, websocket: WebSocket, item_id: str):
|
|
logger.debug(f"Websocket connected to {item_id}")
|
|
await websocket.accept()
|
|
self.active_connections.append(websocket)
|
|
|
|
def disconnect(self, websocket: WebSocket):
|
|
self.active_connections.remove(websocket)
|
|
|
|
async def send_data(self, message: str, item_id: str):
|
|
for connection in self.active_connections:
|
|
if connection.path_params["item_id"] == item_id:
|
|
await connection.send_text(message)
|
|
|
|
|
|
websocketManager = WebsocketConnectionManager()
|
|
|
|
|
|
async def websocketUpdater(item_id, data):
|
|
return await websocketManager.send_data(f"{data}", item_id)
|
|
|
|
|
|
async def switch_to_voidwallet() -> None:
|
|
WALLET = get_wallet_class()
|
|
if WALLET.__class__.__name__ == "VoidWallet":
|
|
return
|
|
set_wallet_class("VoidWallet")
|
|
settings.lnbits_backend_wallet_class = "VoidWallet"
|
|
|
|
|
|
async def get_balance_delta() -> Tuple[int, int, int]:
|
|
WALLET = get_wallet_class()
|
|
total_balance = await get_total_balance()
|
|
error_message, node_balance = await WALLET.status()
|
|
if error_message:
|
|
raise Exception(error_message)
|
|
return node_balance - total_balance, node_balance, total_balance
|
|
|
|
|
|
def get_bolt11_expiry(invoice: Bolt11) -> datetime.datetime:
|
|
if invoice.expiry:
|
|
return datetime.datetime.fromtimestamp(invoice.date + invoice.expiry)
|
|
else:
|
|
# assume maximum bolt11 expiry of 31 days to be on the safe side
|
|
return datetime.datetime.now() + datetime.timedelta(days=31)
|