respect chk for set weights min stake filter

pallets/subtensor/src/lib.rs

@@ -1299,7 +1299,7 @@ pub mod pallet {
         /// Returns the transaction priority for setting weights.
         pub fn get_priority_set_weights(hotkey: &T::AccountId, netuid: u16) -> u64 {
             if let Ok(uid) = Self::get_uid_for_net_and_hotkey(netuid, hotkey) {
-                let _stake = Self::get_total_stake_for_hotkey(hotkey);
+                let _stake = Self::get_stake_for_hotkey_on_subnet(hotkey, netuid);
                 let current_block_number: u64 = Self::get_current_block_as_u64();
                 let default_priority: u64 =
                     current_block_number.saturating_sub(Self::get_last_update_for_uid(netuid, uid));
@@ -1309,9 +1309,9 @@ pub mod pallet {
         }
 
         /// Is the caller allowed to set weights
-        pub fn check_weights_min_stake(hotkey: &T::AccountId) -> bool {
+        pub fn check_weights_min_stake(hotkey: &T::AccountId, netuid: u16) -> bool {
             // Blacklist weights transactions for low stake peers.
-            Self::get_total_stake_for_hotkey(hotkey) >= Self::get_weights_min_stake()
+            Self::get_stake_for_hotkey_on_subnet(hotkey, netuid) >= Self::get_weights_min_stake()
         }
 
         /// Helper function to check if register is allowed
@@ -1404,8 +1404,8 @@ where
         Pallet::<T>::get_priority_set_weights(who, netuid)
     }
 
-    pub fn check_weights_min_stake(who: &T::AccountId) -> bool {
-        Pallet::<T>::check_weights_min_stake(who)
+    pub fn check_weights_min_stake(who: &T::AccountId, netuid: u16) -> bool {
+        Pallet::<T>::check_weights_min_stake(who, netuid)
     }
 }
 
@@ -1443,7 +1443,7 @@ where
     ) -> TransactionValidity {
         match call.is_sub_type() {
             Some(Call::commit_weights { netuid, .. }) => {
-                if Self::check_weights_min_stake(who) {
+                if Self::check_weights_min_stake(who, *netuid) {
                     let priority: u64 = Self::get_priority_set_weights(who, *netuid);
                     Ok(ValidTransaction {
                         priority,
@@ -1455,7 +1455,7 @@ where
                 }
             }
             Some(Call::reveal_weights { netuid, .. }) => {
-                if Self::check_weights_min_stake(who) {
+                if Self::check_weights_min_stake(who, *netuid) {
                     let priority: u64 = Self::get_priority_set_weights(who, *netuid);
                     Ok(ValidTransaction {
                         priority,
@@ -1467,7 +1467,7 @@ where
                 }
             }
             Some(Call::batch_reveal_weights { netuid, .. }) => {
-                if Self::check_weights_min_stake(who) {
+                if Self::check_weights_min_stake(who, *netuid) {
                     let priority: u64 = Self::get_priority_set_weights(who, *netuid);
                     Ok(ValidTransaction {
                         priority,
@@ -1479,7 +1479,7 @@ where
                 }
             }
             Some(Call::set_weights { netuid, .. }) => {
-                if Self::check_weights_min_stake(who) {
+                if Self::check_weights_min_stake(who, *netuid) {
                     let priority: u64 = Self::get_priority_set_weights(who, *netuid);
                     Ok(ValidTransaction {
                         priority,
@@ -1491,7 +1491,7 @@ where
                 }
             }
             Some(Call::set_root_weights { netuid, hotkey, .. }) => {
-                if Self::check_weights_min_stake(hotkey) {
+                if Self::check_weights_min_stake(hotkey, *netuid) {
                     let priority: u64 = Self::get_priority_set_weights(hotkey, *netuid);
                     Ok(ValidTransaction {
                         priority,

pallets/subtensor/src/subnets/uids.rs

@@ -120,7 +120,7 @@ impl<T: Config> Pallet<T> {
     ///
     pub fn get_stake_for_uid_and_subnetwork(netuid: u16, neuron_uid: u16) -> u64 {
         if let Ok(hotkey) = Self::get_hotkey_for_net_and_uid(netuid, neuron_uid) {
-            Self::get_total_stake_for_hotkey(&hotkey)
+            Self::get_stake_for_hotkey_on_subnet(&hotkey, netuid)
         } else {
             0
         }

pallets/subtensor/src/subnets/weights.rs

@@ -525,9 +525,9 @@ impl<T: Config> Pallet<T> {
             Error::<T>::HotKeyNotRegisteredInSubNet
         );
 
-        // --- 6. Check to see if the hotkey has enought stake to set weights.
+        // --- 6. Check to see if the hotkey has enough stake to set weights.
         ensure!(
-            Self::get_total_stake_for_hotkey(&hotkey) >= Self::get_weights_min_stake(),
+            Self::check_weights_min_stake(&hotkey, netuid),
             Error::<T>::NotEnoughStakeToSetWeights
         );
 

pallets/subtensor/tests/children.rs

@@ -3237,3 +3237,194 @@ fn test_rank_trust_incentive_calculation_with_parent_child() {
 
     });
 }
+
+// SKIP_WASM_BUILD=1 RUST_LOG=debug cargo test --package pallet-subtensor --test children -- test_childkey_set_weights_single_parent --exact --nocapture
+#[test]
+fn test_childkey_set_weights_single_parent() {
+    new_test_ext(1).execute_with(|| {
+        let netuid: u16 = 1;
+        add_network(netuid, 1, 0);
+
+        // Define hotkeys
+        let parent: U256 = U256::from(1);
+        let child: U256 = U256::from(2);
+        let weight_setter: U256 = U256::from(3);
+
+        // Define coldkeys with more readable names
+        let coldkey_parent: U256 = U256::from(100);
+        let coldkey_child: U256 = U256::from(101);
+        let coldkey_weight_setter: U256 = U256::from(102);
+
+        let stake_to_give_child = 109_999;
+
+        // Register parent with minimal stake and child with high stake
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey_parent, 1);
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey_child, stake_to_give_child + 10);
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey_weight_setter, 1_000_000);
+
+        // Add neurons for parent, child and weight_setter
+        register_ok_neuron(netuid, parent, coldkey_parent, 1);
+        register_ok_neuron(netuid, child, coldkey_child, 1);
+        register_ok_neuron(netuid, weight_setter, coldkey_weight_setter, 1);
+
+        SubtensorModule::increase_stake_on_coldkey_hotkey_account(
+            &coldkey_parent,
+            &parent,
+            stake_to_give_child,
+        );
+        SubtensorModule::increase_stake_on_coldkey_hotkey_account(
+            &coldkey_weight_setter,
+            &weight_setter,
+            1_000_000,
+        );
+
+        SubtensorModule::set_weights_set_rate_limit(netuid, 0);
+
+        // Set parent-child relationship
+        assert_ok!(SubtensorModule::do_set_children(
+            RuntimeOrigin::signed(coldkey_parent),
+            parent,
+            netuid,
+            vec![(u64::MAX, child)]
+        ));
+        step_block(7200 + 1);
+        // Set weights on the child using the weight_setter account
+        let origin = RuntimeOrigin::signed(weight_setter);
+        let uids: Vec<u16> = vec![1]; // Only set weight for the child (UID 1)
+        let values: Vec<u16> = vec![u16::MAX]; // Use maximum value for u16
+        let version_key = SubtensorModule::get_weights_version_key(netuid);
+        assert_ok!(SubtensorModule::set_weights(
+            origin,
+            netuid,
+            uids.clone(),
+            values.clone(),
+            version_key
+        ));
+
+        // Set the min stake very high
+        SubtensorModule::set_weights_min_stake(stake_to_give_child * 5);
+
+        // Check the child has less stake than required
+        assert!(
+            SubtensorModule::get_stake_for_hotkey_on_subnet(&child, netuid)
+                < SubtensorModule::get_weights_min_stake()
+        );
+
+        // Check the child cannot set weights
+        assert_noop!(
+            SubtensorModule::set_weights(
+                RuntimeOrigin::signed(child),
+                netuid,
+                uids.clone(),
+                values.clone(),
+                version_key
+            ),
+            Error::<Test>::NotEnoughStakeToSetWeights
+        );
+
+        assert!(!SubtensorModule::check_weights_min_stake(&child, netuid));
+
+        // Set a minimum stake to set weights
+        SubtensorModule::set_weights_min_stake(stake_to_give_child - 5);
+
+        // Check if the stake for the child is above
+        assert!(
+            SubtensorModule::get_stake_for_hotkey_on_subnet(&child, netuid)
+                >= SubtensorModule::get_weights_min_stake()
+        );
+
+        // Check the child can set weights
+        assert_ok!(SubtensorModule::set_weights(
+            RuntimeOrigin::signed(child),
+            netuid,
+            uids,
+            values,
+            version_key
+        ));
+
+        assert!(SubtensorModule::check_weights_min_stake(&child, netuid));
+    });
+}
+
+// SKIP_WASM_BUILD=1 RUST_LOG=debug cargo test --package pallet-subtensor --test children -- test_set_weights_no_parent --exact --nocapture
+#[test]
+fn test_set_weights_no_parent() {
+    // Verify that a regular key without a parent delegation is effected by the minimum stake requirements
+    new_test_ext(1).execute_with(|| {
+        let netuid: u16 = 1;
+        add_network(netuid, 1, 0);
+
+        let hotkey: U256 = U256::from(2);
+        let spare_hk: U256 = U256::from(3);
+
+        let coldkey: U256 = U256::from(101);
+        let spare_ck = U256::from(102);
+
+        let stake_to_give_child = 109_999;
+
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey, stake_to_give_child + 10);
+
+        // Is registered
+        register_ok_neuron(netuid, hotkey, coldkey, 1);
+        // Register a spare key
+        register_ok_neuron(netuid, spare_hk, spare_ck, 1);
+
+        SubtensorModule::increase_stake_on_coldkey_hotkey_account(
+            &coldkey,
+            &hotkey,
+            stake_to_give_child,
+        );
+
+        SubtensorModule::set_weights_set_rate_limit(netuid, 0);
+
+        // Has stake and no parent
+        step_block(7200 + 1);
+
+        let uids: Vec<u16> = vec![1]; // Set weights on the other hotkey
+        let values: Vec<u16> = vec![u16::MAX]; // Use maximum value for u16
+        let version_key = SubtensorModule::get_weights_version_key(netuid);
+
+        // Set the min stake very high
+        SubtensorModule::set_weights_min_stake(stake_to_give_child * 5);
+
+        // Check the key has less stake than required
+        assert!(
+            SubtensorModule::get_stake_for_hotkey_on_subnet(&hotkey, netuid)
+                < SubtensorModule::get_weights_min_stake()
+        );
+
+        // Check the hotkey cannot set weights
+        assert_noop!(
+            SubtensorModule::set_weights(
+                RuntimeOrigin::signed(hotkey),
+                netuid,
+                uids.clone(),
+                values.clone(),
+                version_key
+            ),
+            Error::<Test>::NotEnoughStakeToSetWeights
+        );
+
+        assert!(!SubtensorModule::check_weights_min_stake(&hotkey, netuid));
+
+        // Set a minimum stake to set weights
+        SubtensorModule::set_weights_min_stake(stake_to_give_child - 5);
+
+        // Check if the stake for the hotkey is above
+        assert!(
+            SubtensorModule::get_stake_for_hotkey_on_subnet(&hotkey, netuid)
+                >= SubtensorModule::get_weights_min_stake()
+        );
+
+        // Check the hotkey can set weights
+        assert_ok!(SubtensorModule::set_weights(
+            RuntimeOrigin::signed(hotkey),
+            netuid,
+            uids,
+            values,
+            version_key
+        ));
+
+        assert!(SubtensorModule::check_weights_min_stake(&hotkey, netuid));
+    });
+}

pallets/subtensor/tests/weights.rs

@@ -481,11 +481,11 @@ fn test_set_weights_min_stake_failed() {
 
         // Check the signed extension function.
         assert_eq!(SubtensorModule::get_weights_min_stake(), 20_000_000_000_000);
-        assert!(!SubtensorModule::check_weights_min_stake(&hotkey));
+        assert!(!SubtensorModule::check_weights_min_stake(&hotkey, netuid));
         SubtensorModule::increase_stake_on_hotkey_account(&hotkey, 19_000_000_000_000);
-        assert!(!SubtensorModule::check_weights_min_stake(&hotkey));
+        assert!(!SubtensorModule::check_weights_min_stake(&hotkey, netuid));
         SubtensorModule::increase_stake_on_hotkey_account(&hotkey, 20_000_000_000_000);
-        assert!(SubtensorModule::check_weights_min_stake(&hotkey));
+        assert!(SubtensorModule::check_weights_min_stake(&hotkey, netuid));
 
         // Check that it fails at the pallet level.
         SubtensorModule::set_weights_min_stake(100_000_000_000_000);