Use Charfield for hyperparameter values

app/src/bittensor_panel/core/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.11 on 2024-05-06 16:07
+# Generated by Django 4.2.11 on 2024-05-06 18:02
 
 from django.db import migrations, models
 
@@ -24,7 +24,7 @@ class Migration(migrations.Migration):
                 ("created_at", models.DateTimeField(auto_now_add=True)),
                 ("updated_at", models.DateTimeField(auto_now=True)),
                 ("name", models.CharField(max_length=255, unique=True)),
-                ("value", models.DecimalField(decimal_places=0, max_digits=32)),
+                ("value", models.CharField(max_length=255)),
             ],
         ),
     ]

app/src/bittensor_panel/core/models.py

@@ -5,4 +5,4 @@ class HyperParameter(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
     name = models.CharField(max_length=255, unique=True)
-    value = models.DecimalField(max_digits=32, decimal_places=0)
+    value = models.CharField(max_length=255)

app/src/bittensor_panel/core/services.py

@@ -8,7 +8,7 @@ def update_hyperparam(instance: HyperParameter) -> None:
     Update hyperparameter in the subtensor with the new value and save changes to the database.
     """
 
-    result = update_remote_hyperparam(instance.name, int(instance.value))
+    result = update_remote_hyperparam(instance.name, instance.value)
 
     if not result:
         raise HyperParameterUpdateFailed("Failed to update remote hyperparameter. Subtensor returned False.")

app/src/bittensor_panel/core/tests/test_bt.py

@@ -115,7 +115,9 @@ def mock_wallet(mocker: MockerFixture):
 
 
 @pytest.mark.parametrize("result", [True, False])
-def test_update_remote_hyperparam(mock_subtensor: MagicMock, mock_wallet: MagicMock, result: bool, settings):
+def test_update_remote_hyperparam(
+    mock_subtensor: MagicMock, mock_wallet: MagicMock, result: bool, settings
+):
     mock_subtensor.return_value.set_hyperparameter.return_value = result
 
     name = "difficulty"
@@ -134,7 +136,9 @@ def test_update_remote_hyperparam(mock_subtensor: MagicMock, mock_wallet: MagicM
     )
 
 
-def test_update_remote_hyperparam_exception(mock_subtensor: MagicMock, mock_wallet: MagicMock):
+def test_update_remote_hyperparam_exception(
+    mock_subtensor: MagicMock, mock_wallet: MagicMock
+):
     mock_subtensor.return_value.set_hyperparameter.side_effect = RuntimeError
 
     with pytest.raises(SubtensorServerError):

app/src/bittensor_panel/core/tests/test_services.py

@@ -18,7 +18,7 @@
 def hyperparam():
     return HyperParameter.objects.create(
         name="test",
-        value=123,
+        value="123",
     )
 
 
@@ -34,7 +34,7 @@ def test_update_hyperparam(
 ):
     mock_update_remote_hyperparam.return_value = True
 
-    new_value = 999
+    new_value = "999"
 
     hyperparam.value = new_value
 
@@ -54,7 +54,7 @@ def test_update_hyperparam_remote_returns_false(
 ):
     mock_update_remote_hyperparam.return_value = False
 
-    hyperparam.value = 999
+    hyperparam.value = "999"
 
     with django_assert_num_queries(0):
         with pytest.raises(HyperParameterUpdateFailed):
@@ -68,7 +68,7 @@ def test_update_hyperparam_remote_exception(
 ):
     mock_update_remote_hyperparam.side_effect = RuntimeError
 
-    hyperparam.value = 999
+    hyperparam.value = "999"
 
     with django_assert_num_queries(0):
         with pytest.raises(RuntimeError):
@@ -77,12 +77,14 @@ def test_update_hyperparam_remote_exception(
 
 @pytest.fixture
 def hyperparam_dict(faker: Faker):
-    return {faker.word(): faker.pyint() for _ in range(10)}
+    return {faker.word(): str(faker.pyint()) for _ in range(10)}
 
 
 @pytest.fixture
 def mock_load_hyperparams(mocker: MockerFixture, hyperparam_dict: dict[str, int]):
-    return mocker.patch("bittensor_panel.core.services.load_hyperparams", return_value=hyperparam_dict)
+    return mocker.patch(
+        "bittensor_panel.core.services.load_hyperparams", return_value=hyperparam_dict
+    )
 
 
 def test_refresh_hyperparams(