Update admin page for Master Copies

- Allow `initial_block_number` to be set on the admin page
- Set `Safe` as the default deployer

safe_transaction_service/history/admin.py

@@ -452,7 +452,6 @@ def tx_hash(self, o: ModuleTransaction):
 class MonitoredAddressAdmin(BinarySearchAdmin):
     actions = ["reindex", "reindex_last_day", "reindex_last_week", "reindex_last_month"]
     list_display = ("address", "initial_block_number", "tx_block_number")
-    readonly_fields = ["initial_block_number"]
     search_fields = ["=address"]
 
     @admin.action(description="Reindex from initial block")

safe_transaction_service/history/migrations/0076_alter_safemastercopy_deployer.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2.5 on 2023-10-09 12:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("history", "0075_multisigtransaction_proposer"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="safemastercopy",
+            name="deployer",
+            field=models.CharField(default="Safe", max_length=50),
+        ),
+    ]

safe_transaction_service/history/models.py

@@ -1606,7 +1606,7 @@ def relevant(self):
 class SafeMasterCopy(MonitoredAddress):
     objects = SafeMasterCopyManager.from_queryset(SafeMasterCopyQueryset)()
     version = models.CharField(max_length=20, validators=[validate_version])
-    deployer = models.CharField(max_length=50, default="Gnosis")
+    deployer = models.CharField(max_length=50, default="Safe")
     l2 = models.BooleanField(default=False)
 
     class Meta: