FIX(wallet): add cancel state and add success to rollback init states

add cancel state and add success to rollback init states

apps/wallet/constans.py

@@ -11,6 +11,7 @@ class StateChoices(IntegerChoices):
         FAILED = 6 , _('failed')
         EXPECTED_FAILURE = 7 , _('expected_failure')  # no exact data available but guessed to be failed
         ROLLED_BACK = 8 , _('ROLLED_BACK')
+        CANCELED = 9, _('CANCELED')
 
 
 class TypeChoices(IntegerChoices):

apps/wallet/migrations/0018_alter_transaction_state.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.7 on 2026-02-14 11:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wallet', '0017_transaction_reference_alter_transaction_state_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='transaction',
+            name='state',
+            field=models.IntegerField(choices=[(1, 'created'), (2, 'delayed'), (3, 'pending'), (4, 'incomplete'), (5, 'success'), (6, 'failed'), (7, 'expected_failure'), (8, 'ROLLED_BACK'), (9, 'CANCELED')], default=1),
+        ),
+    ]

apps/wallet/models.py

@@ -356,7 +356,7 @@ class Transaction(BaseModel):
             )
         return self
 
-    def rollback(self):
+    def cancel(self):
         if self.state not in [StateChoices.PENDING, StateChoices.DELAYED, StateChoices.INCOMPLETE]:
             raise APIException('this transaction is not pending')
 
@@ -364,6 +364,19 @@ class Transaction(BaseModel):
             self.rollback_withdraw_to_payer_balance()
             self.change_state(
                 [StateChoices.PENDING, StateChoices.DELAYED, StateChoices.INCOMPLETE],
+                StateChoices.CANCELED,
+                error_message=_('TRANSACTION_STATE_NOT_SUITABLE_FOR_CANCELING')
+            )
+        return self
+
+    def rollback(self):
+        if self.state not in [StateChoices.PENDING, StateChoices.SUCCESS, StateChoices.DELAYED, StateChoices.INCOMPLETE]:
+            raise APIException('this transaction is not pending')
+
+        with transaction.atomic():
+            self.rollback_withdraw_to_payer_balance()
+            self.change_state(
+                [StateChoices.PENDING, StateChoices.SUCCESS, StateChoices.DELAYED, StateChoices.INCOMPLETE],
                 StateChoices.ROLLED_BACK,
                 error_message=_('TRANSACTION_STATE_NOT_SUITABLE_FOR_ROLLBACK')
             )