fix test

Author: JohnReedV

pallets/subtensor/src/migrations/migrate_kappa_map_to_default.rs

@@ -1,5 +1,5 @@
 use super::*;
-use frame_support::{storage::IterableStorageMap, traits::Get, weights::Weight};
+use frame_support::{traits::Get, weights::Weight};
 use log;
 use scale_info::prelude::string::String;
 

pallets/subtensor/src/tests/migration.rs

@@ -2183,30 +2183,29 @@ fn test_migrate_kappa_map_to_default() {
         let default: u16 = DefaultKappa::<Test>::get();
         let not_default: u16 = default.wrapping_add(1);
 
-        // Choose a few netuids to exercise both "changed" and "unchanged" paths
-        let n0: u16 = 0;
-        let n1: u16 = 1;
-        let n2: u16 = 42;
-
         // ------------------------------
         // 1. Pre-state: seed non-default & default entries
         // ------------------------------
-        Kappa::<Test>::insert(n0, not_default); // will need update
-        Kappa::<Test>::insert(n1, default); // already default
-        Kappa::<Test>::insert(n2, not_default); // will need update
+        let n0: NetUid = 0u16.into();
+        let n1: NetUid = 1u16.into();
+        let n2: NetUid = 42u16.into();
+
+        Kappa::<Test>::insert(&n0, not_default);
+        Kappa::<Test>::insert(&n1, default);
+        Kappa::<Test>::insert(&n2, not_default);
 
         assert_eq!(
-            Kappa::<Test>::get(n0),
+            Kappa::<Test>::get(&n0),
             not_default,
             "precondition failed: Kappa[n0] should be non-default before migration"
         );
         assert_eq!(
-            Kappa::<Test>::get(n1),
+            Kappa::<Test>::get(&n1),
             default,
             "precondition failed: Kappa[n1] should be default before migration"
         );
         assert_eq!(
-            Kappa::<Test>::get(n2),
+            Kappa::<Test>::get(&n2),
             not_default,
             "precondition failed: Kappa[n2] should be non-default before migration"
         );
@@ -2232,17 +2231,17 @@ fn test_migrate_kappa_map_to_default() {
         );
 
         assert_eq!(
-            Kappa::<Test>::get(n0),
+            Kappa::<Test>::get(&n0),
             default,
             "Kappa[n0] should be reset to the configured default"
         );
         assert_eq!(
-            Kappa::<Test>::get(n1),
+            Kappa::<Test>::get(&n1),
             default,
             "Kappa[n1] should remain at the configured default"
         );
         assert_eq!(
-            Kappa::<Test>::get(n2),
+            Kappa::<Test>::get(&n2),
             default,
             "Kappa[n2] should be reset to the configured default"
         );