146 lines
4.4 KiB
Python
146 lines
4.4 KiB
Python
# Description: Extensions that use LNURL usually have a few endpoints in views_lnurl.py.
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from http import HTTPStatus
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from typing import Optional
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import shortuuid
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from fastapi import APIRouter, Query, Request
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from lnbits.core.services import create_invoice, pay_invoice
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from loguru import logger
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from .crud import get_myextension
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#################################################
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########### A very simple LNURLpay ##############
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# https://github.com/lnurl/luds/blob/luds/06.md #
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#################################################
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#################################################
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myextension_lnurl_router = APIRouter()
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@myextension_lnurl_router.get(
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"/api/v1/lnurl/pay/{myextension_id}",
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status_code=HTTPStatus.OK,
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name="myextension.api_lnurl_pay",
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)
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async def api_lnurl_pay(
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request: Request,
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myextension_id: str,
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):
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myextension = await get_myextension(myextension_id)
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if not myextension:
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return {"status": "ERROR", "reason": "No myextension found"}
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return {
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"callback": str(
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request.url_for(
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"myextension.api_lnurl_pay_callback", myextension_id=myextension_id
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)
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),
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"maxSendable": myextension.lnurlpayamount * 1000,
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"minSendable": myextension.lnurlpayamount * 1000,
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"metadata": '[["text/plain", "' + myextension.name + '"]]',
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"tag": "payRequest",
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}
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@myextension_lnurl_router.get(
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"/api/v1/lnurl/paycb/{myextension_id}",
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status_code=HTTPStatus.OK,
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name="myextension.api_lnurl_pay_callback",
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)
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async def api_lnurl_pay_cb(
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request: Request,
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myextension_id: str,
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amount: int = Query(...),
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):
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myextension = await get_myextension(myextension_id)
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logger.debug(myextension)
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if not myextension:
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return {"status": "ERROR", "reason": "No myextension found"}
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payment = await create_invoice(
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wallet_id=myextension.wallet,
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amount=int(amount / 1000),
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memo=myextension.name,
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unhashed_description=f'[["text/plain", "{myextension.name}"]]'.encode(),
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extra={
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"tag": "MyExtension",
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"myextensionId": myextension_id,
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"extra": request.query_params.get("amount"),
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},
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)
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return {
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"pr": payment.bolt11,
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"routes": [],
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"successAction": {"tag": "message", "message": f"Paid {myextension.name}"},
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}
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#################################################
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######## A very simple LNURLwithdraw ############
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# https://github.com/lnurl/luds/blob/luds/03.md #
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#################################################
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## withdraw is unlimited, look at withdraw ext ##
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## for more advanced withdraw options ##
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#################################################
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@myextension_lnurl_router.get(
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"/api/v1/lnurl/withdraw/{myextension_id}",
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status_code=HTTPStatus.OK,
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name="myextension.api_lnurl_withdraw",
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)
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async def api_lnurl_withdraw(
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request: Request,
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myextension_id: str,
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):
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myextension = await get_myextension(myextension_id)
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if not myextension:
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return {"status": "ERROR", "reason": "No myextension found"}
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k1 = shortuuid.uuid(name=myextension.id)
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return {
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"tag": "withdrawRequest",
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"callback": str(
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request.url_for(
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"myextension.api_lnurl_withdraw_callback", myextension_id=myextension_id
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)
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),
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"k1": k1,
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"defaultDescription": myextension.name,
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"maxWithdrawable": myextension.lnurlwithdrawamount * 1000,
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"minWithdrawable": myextension.lnurlwithdrawamount * 1000,
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}
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@myextension_lnurl_router.get(
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"/api/v1/lnurl/withdrawcb/{myextension_id}",
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status_code=HTTPStatus.OK,
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name="myextension.api_lnurl_withdraw_callback",
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)
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async def api_lnurl_withdraw_cb(
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myextension_id: str,
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pr: Optional[str] = None,
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k1: Optional[str] = None,
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):
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assert k1, "k1 is required"
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assert pr, "pr is required"
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myextension = await get_myextension(myextension_id)
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if not myextension:
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return {"status": "ERROR", "reason": "No myextension found"}
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k1_check = shortuuid.uuid(name=myextension.id)
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if k1_check != k1:
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return {"status": "ERROR", "reason": "Wrong k1 check provided"}
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await pay_invoice(
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wallet_id=myextension.wallet,
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payment_request=pr,
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max_sat=int(myextension.lnurlwithdrawamount * 1000),
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extra={
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"tag": "MyExtension",
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"myextensionId": myextension_id,
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"lnurlwithdraw": True,
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},
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)
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return {"status": "OK"}
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