checks if hostname is .onion and change scheme (#11)

* checks if hostname is .onion and change scheme
* resolve @motorina0 's comments

lnurl.py

@@ -1,7 +1,9 @@
 from http import HTTPStatus
+from urllib.parse import urlparse
 
-from fastapi import Request, Query
+from fastapi import Query, Request
 from lnurl import LnurlErrorResponse, LnurlPayActionResponse, LnurlPayResponse
+from loguru import logger
 from starlette.exceptions import HTTPException
 
 from lnbits.core.services import create_invoice

models.py

@@ -3,10 +3,10 @@ from sqlite3 import Row
 from typing import Dict, Optional
 from urllib.parse import ParseResult, urlparse, urlunparse
 
+from fastapi import Request
 from fastapi.param_functions import Query
 from lnurl.types import LnurlPayMetadata
 from pydantic import BaseModel
-from starlette.requests import Request
 
 from lnbits.lnurl import encode as lnurl_encode
 
@@ -55,8 +55,13 @@ class PayLink(BaseModel):
             data["max"] /= data["fiat_base_multiplier"]
         return cls(**data)
 
-    def lnurl(self, req: Request) -> str:
+    def lnurl(self, req: Request) -> str:     
         url = req.url_for("lnurlp.api_lnurl_response", link_id=self.id)
+        # Check if url is .onion and change to http
+        if urlparse(url).netloc.endswith(".onion"):
+            # change url string scheme to http
+            url = url.replace("https://", "http://")
+            
         return lnurl_encode(str(url))
 
     def success_action(self, payment_hash: str) -> Optional[Dict]:

views_api.py

@@ -15,13 +15,14 @@ from . import lnurlp_ext, scheduled_tasks
 from .crud import (
     create_pay_link,
     delete_pay_link,
+    get_address_data,
     get_pay_link,
     get_pay_links,
     update_pay_link,
-    get_address_data,
 )
-from .models import CreatePayLinkData
 from .lnurl import api_lnurl_response
+from .models import CreatePayLinkData
+
 
 # redirected from /.well-known/lnurlp
 @lnurlp_ext.get("/api/v1/well-known/{username}")