lnaddress works

models.py

@@ -34,6 +34,7 @@ class PayLink(BaseModel):
     served_meta: int
     served_pr: int
     username: Optional[str]
+    domain: Optional[str]
     webhook_url: Optional[str]
     webhook_headers: Optional[str]
     webhook_body: Optional[str]
@@ -72,9 +73,13 @@ class PayLink(BaseModel):
         else:
             return None
 
-    async def lnurlpay_metadata(self, domain) -> LnurlPayMetadata:
-        text = f"Payment to {self.username}"
-        identifier = f"{self.username}@{domain}"
-        metadata = [["text/plain", text], ["text/identifier", identifier]]
+    @property
+    def lnurlpay_metadata(self) -> LnurlPayMetadata:
+        if self.domain and self.username:
+            text = f"Payment to {self.username}"
+            identifier = f"{self.username}@{self.domain}"
+            metadata = [["text/plain", text], ["text/identifier", identifier]]
+        else:
+            metadata = [["text/plain", self.description]]
 
         return LnurlPayMetadata(json.dumps(metadata))