mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2024-11-20 10:39:59 +01:00
132 lines
4.3 KiB
Python
132 lines
4.3 KiB
Python
import json
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import trio # type: ignore
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import httpx
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from os import getenv
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from http import HTTPStatus
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from typing import Optional, Dict, AsyncGenerator
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from quart import request
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from .base import StatusResponse, InvoiceResponse, PaymentResponse, PaymentStatus, Wallet
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class LNPayWallet(Wallet):
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"""https://docs.lnpay.co/"""
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def __init__(self):
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endpoint = getenv("LNPAY_API_ENDPOINT", "https://lnpay.co/v1")
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self.endpoint = endpoint[:-1] if endpoint.endswith("/") else endpoint
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self.wallet_key = getenv("LNPAY_WALLET_KEY") or getenv("LNPAY_ADMIN_KEY")
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self.auth = {"X-Api-Key": getenv("LNPAY_API_KEY")}
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def status(self) -> StatusResponse:
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url = f"{self.endpoint}/wallet/{self.wallet_key}"
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try:
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r = httpx.get(url, headers=self.auth, timeout=60)
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except (httpx.ConnectError, httpx.RequestError):
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return StatusResponse(f"Unable to connect to '{url}'", 0)
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if r.is_error:
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return StatusResponse(r.text[:250], 0)
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data = r.json()
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if data["statusType"]["name"] != "active":
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return StatusResponse(
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f"Wallet {data['user_label']} (data['id']) not active, but {data['statusType']['name']}", 0
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)
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return StatusResponse(None, data["balance"] * 1000)
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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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) -> InvoiceResponse:
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data: Dict = {"num_satoshis": f"{amount}"}
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if description_hash:
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data["description_hash"] = description_hash.hex()
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else:
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data["memo"] = memo or ""
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r = httpx.post(
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f"{self.endpoint}/wallet/{self.wallet_key}/invoice",
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headers=self.auth,
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json=data,
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timeout=60,
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)
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ok, checking_id, payment_request, error_message = (
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r.status_code == 201,
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None,
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None,
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r.text,
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)
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if ok:
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data = r.json()
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checking_id, payment_request = data["id"], data["payment_request"]
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return InvoiceResponse(ok, checking_id, payment_request, error_message)
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def pay_invoice(self, bolt11: str) -> PaymentResponse:
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r = httpx.post(
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f"{self.endpoint}/wallet/{self.wallet_key}/withdraw",
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headers=self.auth,
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json={"payment_request": bolt11},
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timeout=180,
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)
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try:
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data = r.json()
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except:
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return PaymentResponse(False, None, 0, None, f"Got invalid JSON: {r.text[:200]}")
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if r.is_error:
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return PaymentResponse(False, None, 0, None, data["message"])
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checking_id = data["lnTx"]["id"]
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fee_msat = 0
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preimage = data["lnTx"]["payment_preimage"]
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return PaymentResponse(True, checking_id, fee_msat, preimage, None)
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def get_invoice_status(self, checking_id: str) -> PaymentStatus:
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return self.get_payment_status(checking_id)
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def get_payment_status(self, checking_id: str) -> PaymentStatus:
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r = httpx.get(
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url=f"{self.endpoint}/lntx/{checking_id}?fields=settled",
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headers=self.auth,
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)
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if r.is_error:
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return PaymentStatus(None)
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statuses = {0: None, 1: True, -1: False}
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return PaymentStatus(statuses[r.json()["settled"]])
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async def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
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self.send, receive = trio.open_memory_channel(0)
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async for value in receive:
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yield value
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async def webhook_listener(self):
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text: str = await request.get_data()
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try:
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data = json.loads(text)
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except json.decoder.JSONDecodeError:
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print(f"got something wrong on lnpay webhook endpoint: {text[:200]}")
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data = None
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if type(data) is not dict or "event" not in data or data["event"].get("name") != "wallet_receive":
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return "", HTTPStatus.NO_CONTENT
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lntx_id = data["data"]["wtx"]["lnTx"]["id"]
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async with httpx.AsyncClient() as client:
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r = await client.get(
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f"{self.endpoint}/lntx/{lntx_id}?fields=settled",
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headers=self.auth,
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)
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data = r.json()
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if data["settled"]:
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await self.send.send(lntx_id)
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return "", HTTPStatus.NO_CONTENT
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