evade lnurl encoding error for withdraw_full QR on localhost.

lnbits/core/models.py

@@ -52,7 +52,10 @@ class Wallet(NamedTuple):
             wal=self.id,
             _external=True,
         )
-        return lnurl_encode(url)
+        try:
+            return lnurl_encode(url)
+        except:
+            return ""
 
     def lnurlauth_key(self, domain: str) -> SigningKey:
         hashing_key = hashlib.sha256(self.id.encode("utf-8")).digest()

lnbits/core/templates/core/wallet.html

@@ -231,11 +231,9 @@
         <q-list>
           {% include "core/_api_docs.html" %}
           <q-separator></q-separator>
-          <q-expansion-item
-            group="extras"
-            icon="crop_free"
-            label="Drain Funds"
-          >
+
+          {% if wallet.lnurlwithdraw_full %}
+          <q-expansion-item group="extras" icon="crop_free" label="Drain Funds">
             <q-card>
               <q-card-section class="text-center">
                 <p>
@@ -257,6 +255,8 @@
             </q-card>
           </q-expansion-item>
           <q-separator></q-separator>
+          {% endif %}
+
           <q-expansion-item
             group="extras"
             icon="settings_cell"