childkey tax rate

Author: open-junius

pallets/admin-utils/src/lib.rs

@@ -1682,6 +1682,17 @@ pub mod pallet {
             pallet_subtensor::Pallet::<T>::set_owner_immune_neuron_limit(netuid, immune_neurons)?;
             Ok(())
         }
+
+        #[pallet::call_index(73)]
+        #[pallet::weight(Weight::from_parts(15_000_000, 0))]
+        pub fn sudo_set_childkey_tax_rate(
+            origin: OriginFor<T>,
+            childkey_tax_rate: u16,
+        ) -> DispatchResult {
+            ensure_root(origin)?;
+            pallet_subtensor::Pallet::<T>::set_childkey_tax_rate(childkey_tax_rate)?;
+            Ok(())
+        }
     }
 }
 

pallets/subtensor/src/lib.rs

@@ -1482,6 +1482,14 @@ pub mod pallet {
     pub type ImmuneOwnerUidsLimit<T> =
         StorageMap<_, Identity, NetUid, u16, ValueQuery, DefaultImmuneOwnerUidsLimit<T>>;
 
+    #[pallet::type_value]
+    /// Default value for childkey tax rate
+    pub fn DefaultChildkeyTaxRate<T: Config>() -> u16 {
+        18
+    }
+    #[pallet::storage]
+    pub type ChildkeyTaxRate<T> = StorageValue<_, u16, ValueQuery, DefaultChildkeyTaxRate<T>>;
+
     /// =======================================
     /// ==== Subnetwork Consensus Storage  ====
     /// =======================================

pallets/subtensor/src/utils/misc.rs

@@ -829,4 +829,28 @@ impl<T: Config> Pallet<T> {
         ImmuneOwnerUidsLimit::<T>::insert(netuid, limit);
         Ok(())
     }
+
+    /// Get the childkey tax rate
+    ///
+    /// # Returns
+    /// - `u16` - The childkey tax rate.
+    pub fn get_childkey_tax_rate() -> u16 {
+        ChildkeyTaxRate::<T>::get()
+    }
+
+    /// Set the childkey tax rate
+    ///
+    /// # Arguments
+    ///
+    /// * `childkey_tax_rate` - The new childkey tax rate.
+    ///
+    /// # Returns
+    /// - `Ok(())` on success.
+    /// - `Err(Error::<T>::InvalidValue)` if `childkey_tax_rate` is outside `[0, 100]`.
+    pub fn set_childkey_tax_rate(childkey_tax_rate: u16) -> DispatchResult {
+        ensure!(childkey_tax_rate <= 100, Error::<T>::InvalidValue);
+
+        ChildkeyTaxRate::<T>::set(childkey_tax_rate);
+        Ok(())
+    }
 }