Add missing indexes for SafeContractDelegate

safe_transaction_service/history/migrations/0077_alter_safecontractdelegate_delegate_and_more.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.6 on 2023-11-06 11:27
+
+from django.db import migrations
+
+import gnosis.eth.django.models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("history", "0076_alter_safemastercopy_deployer"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="safecontractdelegate",
+            name="delegate",
+            field=gnosis.eth.django.models.EthereumAddressV2Field(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name="safecontractdelegate",
+            name="delegator",
+            field=gnosis.eth.django.models.EthereumAddressV2Field(db_index=True),
+        ),
+    ]

safe_transaction_service/history/models.py

@@ -1761,8 +1761,8 @@ class SafeContractDelegate(models.Model):
         null=True,
         default=None,
     )  # If safe_contract is not defined, delegate is valid for every Safe which delegator is an owner
-    delegate = EthereumAddressV2Field()
-    delegator = EthereumAddressV2Field()  # Owner who created the delegate
+    delegate = EthereumAddressV2Field(db_index=True)
+    delegator = EthereumAddressV2Field(db_index=True)  # Owner who created the delegate
     label = models.CharField(max_length=50)
     read = models.BooleanField(default=True)  # For permissions in the future
     write = models.BooleanField(default=True)