feat(api/db); add hash_id order field (#763)

api/admin.py

@@ -263,7 +263,6 @@ class OrderAdmin(AdminChangeLinksMixin, admin.ModelAdmin):
                 order.status in [Order.Status.DIS, Order.Status.WFR]
                 and order.is_disputed
             ):
-
                 order.maker.robot.earned_rewards = order.maker_bond.num_satoshis
                 order.maker.robot.save(update_fields=["earned_rewards"])
                 order.taker.robot.earned_rewards = order.taker_bond.num_satoshis
@@ -421,7 +420,7 @@ class UserRobotAdmin(AdminChangeLinksMixin, admin.ModelAdmin):
     change_links = ["user"]
     readonly_fields = ["avatar_tag"]
     search_fields = ["user__username", "id"]
-    readonly_fields = ("public_key", "encrypted_private_key")
+    readonly_fields = ("hash_id", "public_key", "encrypted_private_key")
 
 
 @admin.register(Currency)

api/migrations/0040_robot_hash_id.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.2 on 2023-07-18 17:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("api", "0039_alter_currency_currency"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="robot",
+            name="hash_id",
+            field=models.CharField(
+                blank=True, default=None, max_length=64, null=True, unique=True
+            ),
+        ),
+    ]

api/models/robot.py

@@ -12,6 +12,15 @@ from django.utils.html import mark_safe
 class Robot(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE)
 
+    # Hash id (second sha256 of robot token)
+    hash_id = models.CharField(
+        max_length=64,
+        unique=True,
+        default=None,
+        blank=True,
+        null=True,
+    )
+
     # PGP keys, used for E2E chat encryption. Priv key is encrypted with user's passphrase (highEntropyToken)
     public_key = models.TextField(
         # Actually only 400-500 characters for ECC, but other types might be longer