mirror of
https://github.com/lnbits/lnbits-legend.git
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62b0e3fe89
* set User-Agent when accessing external resources * refactor User-Agent into settings.user_agent
129 lines
4 KiB
Python
129 lines
4 KiB
Python
import asyncio
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import hashlib
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from typing import AsyncGenerator, Dict, Optional
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import httpx
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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 AlbyWallet(Wallet):
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"""https://guides.getalby.com/alby-wallet-api/reference/api-reference"""
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def __init__(self):
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endpoint = settings.alby_api_endpoint
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if not endpoint or not settings.alby_access_token:
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raise Exception("cannot initialize getalby")
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self.endpoint = endpoint[:-1] if endpoint.endswith("/") else endpoint
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self.auth = {
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"Authorization": "Bearer " + settings.alby_access_token,
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"User-Agent": settings.user_agent,
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}
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self.client = httpx.AsyncClient(base_url=self.endpoint, headers=self.auth)
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async def cleanup(self):
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try:
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await self.client.aclose()
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except RuntimeError as e:
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logger.warning(f"Error closing wallet connection: {e}")
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async def status(self) -> StatusResponse:
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try:
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r = await self.client.get("/balance", timeout=10)
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except (httpx.ConnectError, httpx.RequestError):
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return StatusResponse(f"Unable to connect to '{self.endpoint}'", 0)
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data = r.json()["balance"]
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if r.is_error:
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return StatusResponse(data["error"], 0)
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return StatusResponse(None, data)
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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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**kwargs,
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) -> InvoiceResponse:
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# https://api.getalby.com/invoices
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data: Dict = {"amount": f"{amount}"}
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if description_hash:
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data["description_hash"] = description_hash.hex()
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elif unhashed_description:
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data["description_hash"] = hashlib.sha256(unhashed_description).hexdigest()
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else:
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data["memo"] = memo or ""
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r = await self.client.post(
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"/invoices",
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json=data,
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timeout=40,
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)
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if r.is_error:
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error_message = r.json()["message"]
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return InvoiceResponse(False, None, None, error_message)
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data = r.json()
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checking_id = data["payment_hash"]
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payment_request = data["payment_request"]
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return InvoiceResponse(True, checking_id, payment_request, None)
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async def pay_invoice(self, bolt11: str, fee_limit_msat: int) -> PaymentResponse:
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# https://api.getalby.com/payments/bolt11
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r = await self.client.post(
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"/payments/bolt11",
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json={"invoice": bolt11}, # assume never need amount in body
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timeout=None,
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)
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if r.is_error:
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error_message = r.json()["message"]
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return PaymentResponse(False, None, None, None, error_message)
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data = r.json()
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checking_id = data["payment_hash"]
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fee_msat = -data["fee"]
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preimage = data["payment_preimage"]
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return PaymentResponse(True, checking_id, fee_msat, preimage, None)
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async def get_invoice_status(self, checking_id: str) -> PaymentStatus:
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return await self.get_payment_status(checking_id)
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async def get_payment_status(self, checking_id: str) -> PaymentStatus:
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r = await self.client.get(f"/invoices/{checking_id}")
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if r.is_error:
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return PaymentStatus(None)
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data = r.json()
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statuses = {
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"CREATED": None,
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"SETTLED": True,
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}
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return PaymentStatus(statuses[data.get("state")], fee_msat=None, preimage=None)
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async def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
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self.queue: asyncio.Queue = asyncio.Queue(0)
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while True:
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value = await self.queue.get()
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yield value
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async def webhook_listener(self):
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logger.error("Alby webhook listener disabled")
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return
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