mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2025-01-19 05:33:47 +01:00
1646b087cf
* add latest bolt11 lib decode exception handling for create_payment fix json response for decode bugfix hexing description hash improvement on bolt11 lib update to bolt11 2.0.1 fix clnrest * bolt 2.0.4 * refactor core/crud.py * catch bolt11 erxception clnrest
122 lines
3.3 KiB
Python
122 lines
3.3 KiB
Python
import asyncio
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import hashlib
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import random
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from datetime import datetime
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from os import urandom
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from typing import AsyncGenerator, Optional
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from bolt11 import (
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Bolt11,
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Bolt11Exception,
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MilliSatoshi,
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TagChar,
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Tags,
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decode,
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encode,
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)
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from loguru import logger
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from lnbits.settings import settings
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from .base import (
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InvoiceResponse,
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PaymentResponse,
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PaymentStatus,
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StatusResponse,
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Wallet,
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)
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class FakeWallet(Wallet):
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queue: asyncio.Queue = asyncio.Queue(0)
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secret: str = settings.fake_wallet_secret
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privkey: str = hashlib.pbkdf2_hmac(
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"sha256",
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secret.encode(),
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("FakeWallet").encode(),
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2048,
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32,
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).hex()
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async def status(self) -> StatusResponse:
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logger.info(
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"FakeWallet funding source is for using LNbits as a centralised,"
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" stand-alone payment system with brrrrrr."
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)
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return StatusResponse(None, 1000000000)
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async def create_invoice(
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self,
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amount: int,
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memo: Optional[str] = None,
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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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payment_secret: Optional[bytes] = None,
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**_,
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) -> InvoiceResponse:
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tags = Tags()
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if description_hash:
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tags.add(TagChar.description_hash, description_hash.hex())
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elif unhashed_description:
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tags.add(
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TagChar.description_hash,
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hashlib.sha256(unhashed_description).hexdigest(),
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)
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else:
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tags.add(TagChar.description, memo or "")
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if expiry:
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tags.add(TagChar.expire_time, expiry)
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# random hash
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checking_id = (
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self.privkey[:6]
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+ hashlib.sha256(str(random.getrandbits(256)).encode()).hexdigest()[6:]
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)
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tags.add(TagChar.payment_hash, checking_id)
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if payment_secret:
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secret = payment_secret.hex()
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else:
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secret = urandom(32).hex()
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tags.add(TagChar.payment_secret, secret)
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bolt11 = Bolt11(
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currency="bc",
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amount_msat=MilliSatoshi(amount * 1000),
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date=int(datetime.now().timestamp()),
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tags=tags,
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)
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payment_request = encode(bolt11, self.privkey)
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return InvoiceResponse(True, checking_id, payment_request)
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async def pay_invoice(self, bolt11: str, _: int) -> PaymentResponse:
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try:
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invoice = decode(bolt11)
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except Bolt11Exception as exc:
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return PaymentResponse(ok=False, error_message=str(exc))
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if invoice.payment_hash[:6] == self.privkey[:6]:
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await self.queue.put(invoice)
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return PaymentResponse(True, invoice.payment_hash, 0)
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else:
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return PaymentResponse(
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ok=False, error_message="Only internal invoices can be used!"
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)
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async def get_invoice_status(self, _: str) -> PaymentStatus:
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return PaymentStatus(None)
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async def get_payment_status(self, _: str) -> PaymentStatus:
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return PaymentStatus(None)
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async def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
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while True:
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value: Bolt11 = await self.queue.get()
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yield value.payment_hash
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