From 5784d08a76d29947e7d0f6baecc1d2bde5480e7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?dni=20=E2=9A=A1?= <office@dnilabs.com>
Date: Thu, 15 Jan 2026 08:01:35 +0100
Subject: [PATCH 1/3] fix: gracefully handle InvalidLnurl error on api

closes #122
---
 views_api.py | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/views_api.py b/views_api.py
index 6d9bb86..d57e6d1 100644
--- a/views_api.py
+++ b/views_api.py
@@ -10,6 +10,7 @@
     require_admin_key,
     require_invoice_key,
 )
+from lnurl import InvalidLnurl
 
 from .crud import (
     create_pay_link,
@@ -28,6 +29,19 @@
 lnurlp_api_router = APIRouter()
 
 
+def check_lnurl_encode(req: Request, link_id: str) -> str:
+    try:
+        return lnurl_encode_link_id(req, link_id)
+    except InvalidLnurl as exc:
+        raise HTTPException(
+            detail=(
+                f"Invalid URL for LNURL encoding: `{req.base_url}`."
+                "Check proxy settings."
+            ),
+            status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+        ) from exc
+
+
 @lnurlp_api_router.get("/api/v1/links", status_code=HTTPStatus.OK)
 async def api_links(
     req: Request,
@@ -41,7 +55,7 @@ async def api_links(
 
     links = await get_pay_links(wallet_ids)
     for link in links:
-        link.lnurl = lnurl_encode_link_id(req=req, link_id=link.id)
+        link.lnurl = check_lnurl_encode(req=req, link_id=link.id)
     return links
 
 
@@ -66,7 +80,7 @@ async def api_link_retrieve(
             detail="Not your pay link.", status_code=HTTPStatus.FORBIDDEN
         )
 
-    link.lnurl = lnurl_encode_link_id(req, link.id)
+    link.lnurl = check_lnurl_encode(req, link.id)
     return link
 
 
@@ -178,7 +192,8 @@ async def api_link_create_or_update(
 
         link = await create_pay_link(data)
 
-    link.lnurl = lnurl_encode_link_id(req, link.id)
+    link.lnurl = check_lnurl_encode(req=req, link_id=link.id)
+
     return link
 
 

From 0904766e700d689090a6825bafc975d61921fd47 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?dni=20=E2=9A=A1?= <office@dnilabs.com>
Date: Thu, 15 Jan 2026 08:06:14 +0100
Subject: [PATCH 2/3] fixup!

---
 views_api.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/views_api.py b/views_api.py
index d57e6d1..61a2056 100644
--- a/views_api.py
+++ b/views_api.py
@@ -10,7 +10,7 @@
     require_admin_key,
     require_invoice_key,
 )
-from lnurl import InvalidLnurl
+from lnurl import InvalidUrl
 
 from .crud import (
     create_pay_link,
@@ -32,7 +32,7 @@
 def check_lnurl_encode(req: Request, link_id: str) -> str:
     try:
         return lnurl_encode_link_id(req, link_id)
-    except InvalidLnurl as exc:
+    except InvalidUrl as exc:
         raise HTTPException(
             detail=(
                 f"Invalid URL for LNURL encoding: `{req.base_url}`."
@@ -40,6 +40,11 @@ def check_lnurl_encode(req: Request, link_id: str) -> str:
             ),
             status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
         ) from exc
+    except Exception as exc:
+        raise HTTPException(
+            detail="Error encoding LNURL.",
+            status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+        ) from exc
 
 
 @lnurlp_api_router.get("/api/v1/links", status_code=HTTPStatus.OK)

From de8ef71a42487de61333a0c72e3378dbb96f1ef0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?dni=20=E2=9A=A1?= <office@dnilabs.com>
Date: Thu, 15 Jan 2026 08:10:56 +0100
Subject: [PATCH 3/3] fixup!

---
 views_api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/views_api.py b/views_api.py
index 61a2056..ad516d3 100644
--- a/views_api.py
+++ b/views_api.py
@@ -35,7 +35,7 @@ def check_lnurl_encode(req: Request, link_id: str) -> str:
     except InvalidUrl as exc:
         raise HTTPException(
             detail=(
-                f"Invalid URL for LNURL encoding: `{req.base_url}`."
+                f"Invalid URL for LNURL encoding: `{req.base_url}`. "
                 "Check proxy settings."
             ),
             status_code=HTTPStatus.INTERNAL_SERVER_ERROR,