Min burn allowed

evm-tests/get-metadata.sh

@@ -1,3 +1,3 @@
 rm -rf .papi
-npx papi add devnet -w ws://localhost:9944
+npx -y polkadot-api add devnet -w ws://localhost:9944
 

evm-tests/package.json

@@ -7,27 +7,28 @@
   "license": "ISC",
   "dependencies": {
     "@polkadot-api/descriptors": "file:.papi/descriptors",
-    "@polkadot-labs/hdkd": "^0.0.10",
-    "@polkadot-labs/hdkd-helpers": "^0.0.11",
-    "@polkadot/api": "15.1.1",
+    "@polkadot-labs/hdkd": "^0.0.23",
+    "@polkadot-labs/hdkd-helpers": "^0.0.23",
+    "@polkadot/api": "^16.4.6",
     "@types/mocha": "^10.0.10",
-    "crypto": "^1.0.1",
-    "dotenv": "16.4.7",
+    "dotenv": "17.2.1",
     "ethers": "^6.13.5",
     "mocha": "^11.1.0",
     "polkadot-api": "^1.9.5",
+    "rxjs": "^7.8.2",
     "scale-ts": "^1.6.1",
     "viem": "2.23.4",
     "ws": "^8.18.2"
   },
   "devDependencies": {
     "@types/bun": "^1.1.13",
     "@types/chai": "^5.0.1",
+    "@types/node": "^22.18.0",
     "assert": "^2.1.0",
-    "chai": "^5.2.0",
+    "chai": "^6.0.1",
     "prettier": "^3.3.3",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.2",
-    "vite": "^5.4.8"
+    "vite": "^7.1.4"
   }
 }

evm-tests/run-ci.sh

@@ -28,9 +28,6 @@ fi
 
 cd evm-tests
 
-# required for papi in get-metadata.sh, but we cannot run yarn before papi as it adds the descriptors to the package.json which won't resolve
-npm i -g polkadot-api
-
 bash get-metadata.sh
 
 sleep 5

pallets/admin-utils/src/benchmarking.rs

@@ -266,7 +266,7 @@ mod benchmarks {
         );
 
         #[extrinsic_call]
-		_(RawOrigin::Root, 1u16.into()/*netuid*/, 10.into()/*max_burn*/)/*sudo_set_max_burn*/;
+		_(RawOrigin::Root, 1u16.into()/*netuid*/, 2_000_000_000.into()/*max_burn*/)/*sudo_set_max_burn*/;
     }
 
     #[benchmark]

pallets/admin-utils/src/lib.rs

@@ -107,6 +107,8 @@ pub mod pallet {
         BondsMovingAverageMaxReached,
         /// Only root can set negative sigmoid steepness values
         NegativeSigmoidSteepness,
+        /// Value not in allowed bounds.
+        ValueNotInBounds,
     }
     /// Enum for specifying the type of precompile operation.
     #[derive(
@@ -654,7 +656,7 @@ pub mod pallet {
         }
 
         /// The extrinsic sets the minimum burn for a subnet.
-        /// It is only callable by the root account.
+        /// It is only callable by root and subnet owner.
         /// The extrinsic will call the Subtensor pallet to set the minimum burn.
         #[pallet::call_index(22)]
         #[pallet::weight(Weight::from_parts(15_440_000, 0)
@@ -665,19 +667,27 @@ pub mod pallet {
             netuid: NetUid,
             min_burn: TaoCurrency,
         ) -> DispatchResult {
-            ensure_root(origin)?;
-
+            pallet_subtensor::Pallet::<T>::ensure_subnet_owner_or_root(origin.clone(), netuid)?;
             ensure!(
                 pallet_subtensor::Pallet::<T>::if_subnet_exist(netuid),
                 Error::<T>::SubnetDoesNotExist
             );
+            ensure!(
+                min_burn < T::MinBurnUpperBound::get(),
+                Error::<T>::ValueNotInBounds
+            );
+            // Min burn must be less than max burn
+            ensure!(
+                min_burn < pallet_subtensor::Pallet::<T>::get_max_burn(netuid),
+                Error::<T>::ValueNotInBounds
+            );
             pallet_subtensor::Pallet::<T>::set_min_burn(netuid, min_burn);
             log::debug!("MinBurnSet( netuid: {netuid:?} min_burn: {min_burn:?} ) ");
             Ok(())
         }
 
         /// The extrinsic sets the maximum burn for a subnet.
-        /// It is only callable by the root account or subnet owner.
+        /// It is only callable by root and subnet owner.
         /// The extrinsic will call the Subtensor pallet to set the maximum burn.
         #[pallet::call_index(23)]
         #[pallet::weight(Weight::from_parts(15_940_000, 0)
@@ -688,12 +698,20 @@ pub mod pallet {
             netuid: NetUid,
             max_burn: TaoCurrency,
         ) -> DispatchResult {
-            ensure_root(origin)?;
-
+            pallet_subtensor::Pallet::<T>::ensure_subnet_owner_or_root(origin.clone(), netuid)?;
             ensure!(
                 pallet_subtensor::Pallet::<T>::if_subnet_exist(netuid),
                 Error::<T>::SubnetDoesNotExist
             );
+            ensure!(
+                max_burn > T::MaxBurnLowerBound::get(),
+                Error::<T>::ValueNotInBounds
+            );
+            // Max burn must be greater than min burn
+            ensure!(
+                max_burn > pallet_subtensor::Pallet::<T>::get_min_burn(netuid),
+                Error::<T>::ValueNotInBounds
+            );
             pallet_subtensor::Pallet::<T>::set_max_burn(netuid, max_burn);
             log::debug!("MaxBurnSet( netuid: {netuid:?} max_burn: {max_burn:?} ) ");
             Ok(())

pallets/admin-utils/src/tests/mock.rs

@@ -19,7 +19,7 @@ use sp_runtime::{
 };
 use sp_std::cmp::Ordering;
 use sp_weights::Weight;
-use subtensor_runtime_common::NetUid;
+use subtensor_runtime_common::{NetUid, TaoCurrency};
 
 type Block = frame_system::mocking::MockBlock<Test>;
 // Configure a mock runtime to test the pallet.
@@ -110,6 +110,8 @@ parameter_types! {
     pub const InitialBurn: u64 = 0;
     pub const InitialMinBurn: u64 = 500_000;
     pub const InitialMaxBurn: u64 = 1_000_000_000;
+    pub const MinBurnUpperBound: TaoCurrency = TaoCurrency::new(1_000_000_000); // 1 TAO
+    pub const MaxBurnLowerBound: TaoCurrency = TaoCurrency::new(100_000_000); // 0.1 TAO
     pub const InitialValidatorPruneLen: u64 = 0;
     pub const InitialScalingLawPower: u16 = 50;
     pub const InitialMaxAllowedValidators: u16 = 100;
@@ -198,6 +200,8 @@ impl pallet_subtensor::Config for Test {
     type InitialBurn = InitialBurn;
     type InitialMaxBurn = InitialMaxBurn;
     type InitialMinBurn = InitialMinBurn;
+    type MinBurnUpperBound = MinBurnUpperBound;
+    type MaxBurnLowerBound = MaxBurnLowerBound;
     type InitialRAORecycledForRegistration = InitialRAORecycledForRegistration;
     type InitialSenateRequiredStakePercentage = InitialSenateRequiredStakePercentage;
     type InitialNetworkImmunityPeriod = InitialNetworkImmunityPeriod;

pallets/admin-utils/src/tests/mod.rs

@@ -1951,3 +1951,121 @@ fn test_sudo_set_commit_reveal_version() {
         );
     });
 }
+
+#[test]
+fn test_sudo_set_min_burn() {
+    new_test_ext().execute_with(|| {
+        let netuid = NetUid::from(1);
+        let to_be_set = TaoCurrency::from(1_000_000);
+        add_network(netuid, 10);
+        let init_value = SubtensorModule::get_min_burn(netuid);
+
+        // Simple case
+        assert_ok!(AdminUtils::sudo_set_min_burn(
+            <<Test as Config>::RuntimeOrigin>::root(),
+            netuid,
+            TaoCurrency::from(to_be_set)
+        ));
+        assert_ne!(SubtensorModule::get_min_burn(netuid), init_value);
+        assert_eq!(SubtensorModule::get_min_burn(netuid), to_be_set);
+
+        // Unknown subnet
+        assert_err!(
+            AdminUtils::sudo_set_min_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                NetUid::from(42),
+                TaoCurrency::from(to_be_set)
+            ),
+            Error::<Test>::SubnetDoesNotExist
+        );
+
+        // Non subnet owner
+        assert_err!(
+            AdminUtils::sudo_set_min_burn(
+                <<Test as Config>::RuntimeOrigin>::signed(U256::from(1)),
+                netuid,
+                TaoCurrency::from(to_be_set)
+            ),
+            DispatchError::BadOrigin
+        );
+
+        // Above upper bound
+        assert_err!(
+            AdminUtils::sudo_set_min_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                netuid,
+                <Test as pallet_subtensor::Config>::MinBurnUpperBound::get() + 1.into()
+            ),
+            Error::<Test>::ValueNotInBounds
+        );
+
+        // Above max burn
+        assert_err!(
+            AdminUtils::sudo_set_min_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                netuid,
+                SubtensorModule::get_max_burn(netuid) + 1.into()
+            ),
+            Error::<Test>::ValueNotInBounds
+        );
+    });
+}
+
+#[test]
+fn test_sudo_set_max_burn() {
+    new_test_ext().execute_with(|| {
+        let netuid = NetUid::from(1);
+        let to_be_set = TaoCurrency::from(100_000_001);
+        add_network(netuid, 10);
+        let init_value = SubtensorModule::get_max_burn(netuid);
+
+        // Simple case
+        assert_ok!(AdminUtils::sudo_set_max_burn(
+            <<Test as Config>::RuntimeOrigin>::root(),
+            netuid,
+            TaoCurrency::from(to_be_set)
+        ));
+        assert_ne!(SubtensorModule::get_max_burn(netuid), init_value);
+        assert_eq!(SubtensorModule::get_max_burn(netuid), to_be_set);
+
+        // Unknown subnet
+        assert_err!(
+            AdminUtils::sudo_set_max_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                NetUid::from(42),
+                TaoCurrency::from(to_be_set)
+            ),
+            Error::<Test>::SubnetDoesNotExist
+        );
+
+        // Non subnet owner
+        assert_err!(
+            AdminUtils::sudo_set_max_burn(
+                <<Test as Config>::RuntimeOrigin>::signed(U256::from(1)),
+                netuid,
+                TaoCurrency::from(to_be_set)
+            ),
+            DispatchError::BadOrigin
+        );
+
+        // Below lower bound
+        assert_err!(
+            AdminUtils::sudo_set_max_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                netuid,
+                <Test as pallet_subtensor::Config>::MaxBurnLowerBound::get() - 1.into()
+            ),
+            Error::<Test>::ValueNotInBounds
+        );
+
+        // Below min burn
+        assert_err!(
+            AdminUtils::sudo_set_max_burn(
+                <<Test as Config>::RuntimeOrigin>::root(),
+                netuid,
+                SubtensorModule::get_min_burn(netuid) - 1.into()
+            ),
+            Error::<Test>::ValueNotInBounds
+        );
+    });
+}

pallets/subtensor/src/macros/config.rs

@@ -98,6 +98,12 @@ mod config {
         /// Initial Min Burn.
         #[pallet::constant]
         type InitialMinBurn: Get<u64>;
+        /// Min  burn upper bound.
+        #[pallet::constant]
+        type MinBurnUpperBound: Get<TaoCurrency>;
+        /// Max burn lower bound.
+        #[pallet::constant]
+        type MaxBurnLowerBound: Get<TaoCurrency>;
         /// Initial adjustment interval.
         #[pallet::constant]
         type InitialAdjustmentInterval: Get<u16>;

pallets/subtensor/src/tests/mock.rs

@@ -183,6 +183,8 @@ parameter_types! {
     pub const InitialBurn: u64 = 0;
     pub const InitialMinBurn: u64 = 500_000;
     pub const InitialMaxBurn: u64 = 1_000_000_000;
+    pub const MinBurnUpperBound: TaoCurrency = TaoCurrency::new(1_000_000_000); // 1 TAO
+    pub const MaxBurnLowerBound: TaoCurrency = TaoCurrency::new(100_000_000); // 0.1 TAO
     pub const InitialValidatorPruneLen: u64 = 0;
     pub const InitialScalingLawPower: u16 = 50;
     pub const InitialMaxAllowedValidators: u16 = 100;
@@ -429,6 +431,8 @@ impl crate::Config for Test {
     type InitialBurn = InitialBurn;
     type InitialMaxBurn = InitialMaxBurn;
     type InitialMinBurn = InitialMinBurn;
+    type MinBurnUpperBound = MinBurnUpperBound;
+    type MaxBurnLowerBound = MaxBurnLowerBound;
     type InitialRAORecycledForRegistration = InitialRAORecycledForRegistration;
     type InitialSenateRequiredStakePercentage = InitialSenateRequiredStakePercentage;
     type InitialNetworkImmunityPeriod = InitialNetworkImmunityPeriod;

pallets/transaction-fee/src/tests/mock.rs

@@ -175,6 +175,8 @@ parameter_types! {
     pub const InitialBurn: u64 = 0;
     pub const InitialMinBurn: u64 = 500_000;
     pub const InitialMaxBurn: u64 = 1_000_000_000;
+    pub const MinBurnUpperBound: TaoCurrency = TaoCurrency::new(1_000_000_000); // 1 TAO
+    pub const MaxBurnLowerBound: TaoCurrency = TaoCurrency::new(100_000_000); // 0.1 TAO
     pub const InitialValidatorPruneLen: u64 = 0;
     pub const InitialScalingLawPower: u16 = 50;
     pub const InitialMaxAllowedValidators: u16 = 100;
@@ -263,6 +265,8 @@ impl pallet_subtensor::Config for Test {
     type InitialBurn = InitialBurn;
     type InitialMaxBurn = InitialMaxBurn;
     type InitialMinBurn = InitialMinBurn;
+    type MinBurnUpperBound = MinBurnUpperBound;
+    type MaxBurnLowerBound = MaxBurnLowerBound;
     type InitialRAORecycledForRegistration = InitialRAORecycledForRegistration;
     type InitialSenateRequiredStakePercentage = InitialSenateRequiredStakePercentage;
     type InitialNetworkImmunityPeriod = InitialNetworkImmunityPeriod;

runtime/src/lib.rs

@@ -1137,6 +1137,8 @@ parameter_types! {
     pub const SubtensorInitialBurn: u64 = 100_000_000; // 0.1 tao
     pub const SubtensorInitialMinBurn: u64 = 500_000; // 500k RAO
     pub const SubtensorInitialMaxBurn: u64 = 100_000_000_000; // 100 tao
+    pub const MinBurnUpperBound: TaoCurrency = TaoCurrency::new(1_000_000_000); // 1 TAO
+    pub const MaxBurnLowerBound: TaoCurrency = TaoCurrency::new(100_000_000); // 0.1 TAO
     pub const SubtensorInitialTxRateLimit: u64 = 1000;
     pub const SubtensorInitialTxDelegateTakeRateLimit: u64 = 216000; // 30 days at 12 seconds per block
     pub const SubtensorInitialTxChildKeyTakeRateLimit: u64 = INITIAL_CHILDKEY_TAKE_RATELIMIT;
@@ -1210,6 +1212,8 @@ impl pallet_subtensor::Config for Runtime {
     type InitialBurn = SubtensorInitialBurn;
     type InitialMaxBurn = SubtensorInitialMaxBurn;
     type InitialMinBurn = SubtensorInitialMinBurn;
+    type MinBurnUpperBound = MinBurnUpperBound;
+    type MaxBurnLowerBound = MaxBurnLowerBound;
     type InitialTxRateLimit = SubtensorInitialTxRateLimit;
     type InitialTxDelegateTakeRateLimit = SubtensorInitialTxDelegateTakeRateLimit;
     type InitialTxChildKeyTakeRateLimit = SubtensorInitialTxChildKeyTakeRateLimit;