From 8ef9e32d5255af65c40240e26b3af869118e3606 Mon Sep 17 00:00:00 2001
From: kpshukla <84149462+kpshukla@users.noreply.github.com>
Date: Sat, 25 Jul 2026 19:44:16 -0400
Subject: [PATCH] Fix: increase LocalSettings.key max_length to 50

LND-ReconnectInterval (21 chars) exceeds the previous max_length=20
on LocalSettings.key. SQLite ignores the constraint, but PostgreSQL
enforces VARCHAR(20) strictly and raises DataError when saving it.

Fixes #460
---
 gui/migrations/0040_alter_localsettings_key.py | 16 ++++++++++++++++
 gui/models.py                                  |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 gui/migrations/0040_alter_localsettings_key.py

diff --git a/gui/migrations/0040_alter_localsettings_key.py b/gui/migrations/0040_alter_localsettings_key.py
new file mode 100644
index 0000000..ba088dc
--- /dev/null
+++ b/gui/migrations/0040_alter_localsettings_key.py
@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gui', '0039_inboundfeelog'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='localsettings',
+            name='key',
+            field=models.CharField(default=None, max_length=50, primary_key=True, serialize=False),
+        ),
+    ]
diff --git a/gui/models.py b/gui/models.py
index 296de04..d34a885 100644
--- a/gui/models.py
+++ b/gui/models.py
@@ -187,7 +187,7 @@ class Rebalancer(models.Model):
         app_label = 'gui'
 
 class LocalSettings(models.Model):
-    key = models.CharField(primary_key=True, default=None, max_length=20)
+    key = models.CharField(primary_key=True, default=None, max_length=50)
     value = models.CharField(default=None, max_length=50)
     class Meta:
         app_label = 'gui'