setup recipient

pallets/multi-asset-delegation/src/functions/delegate.rs

@@ -15,6 +15,8 @@
 // along with Tangle.  If not, see <http://www.gnu.org/licenses/>.
 use super::*;
 use crate::{types::*, Pallet};
+use frame_support::traits::fungibles::Mutate;
+use frame_support::traits::tokens::Preservation;
 use frame_support::{ensure, pallet_prelude::DispatchResult, traits::Get};
 use sp_runtime::traits::{CheckedSub, Zero};
 use sp_runtime::DispatchError;
@@ -387,6 +389,15 @@ impl<T: Config> Pallet<T> {
 				.checked_sub(&slash_amount)
 				.ok_or(Error::<T>::InsufficientStakeRemaining)?;
 
+			// Transfer slashed amount to the treasury
+			let _ = T::Fungibles::transfer(
+				delegation.asset_id,
+				&Self::pallet_account(),
+				&T::SlashedAmountRecipient::get(),
+				slash_amount,
+				Preservation::Expendable,
+			);
+
 			// emit event
 			Self::deposit_event(Event::DelegatorSlashed {
 				who: delegator.clone(),

pallets/multi-asset-delegation/src/functions/operator.rs

@@ -17,6 +17,8 @@
 /// Functions for the pallet.
 use super::*;
 use crate::{types::*, Pallet};
+use frame_support::traits::Currency;
+use frame_support::traits::ExistenceRequirement;
 use frame_support::BoundedVec;
 use frame_support::{
 	ensure,
@@ -324,6 +326,15 @@ impl<T: Config> Pallet<T> {
 					Self::slash_delegator(&delegator.delegator, operator, blueprint_id, percentage);
 			}
 
+			// transfer the slashed amount to the treasury
+			T::Currency::unreserve(&operator, amount);
+			let _ = T::Currency::transfer(
+				operator,
+				&T::SlashedAmountRecipient::get(),
+				amount,
+				ExistenceRequirement::AllowDeath,
+			);
+
 			// emit event
 			Self::deposit_event(Event::OperatorSlashed { who: operator.clone(), amount });
 

pallets/multi-asset-delegation/src/lib.rs

@@ -185,6 +185,9 @@ pub mod pallet {
 		/// The origin with privileged access
 		type ForceOrigin: EnsureOrigin<Self::RuntimeOrigin>;
 
+		/// The address that receives slashed funds
+		type SlashedAmountRecipient: Get<Self::AccountId>;
+
 		/// A type representing the weights required by the dispatchables of this pallet.
 		type WeightInfo: crate::weights::WeightInfo;
 	}

pallets/multi-asset-delegation/src/mock.rs

@@ -122,6 +122,7 @@ parameter_types! {
 	pub const MinOperatorBondAmount: u64 = 10_000;
 	pub const BondDuration: u32 = 10;
 	pub PID: PalletId = PalletId(*b"PotStake");
+	pub const SlashedAmountRecipient : u64 = 0;
 	#[derive(PartialEq, Eq, Clone, Copy, Debug, Encode, Decode, MaxEncodedLen, TypeInfo)]
 	pub const MaxDelegatorBlueprints : u32 = 50;
 	#[derive(PartialEq, Eq, Clone, Copy, Debug, Encode, Decode, MaxEncodedLen, TypeInfo)]
@@ -155,6 +156,7 @@ impl pallet_multi_asset_delegation::Config for Test {
 	type MaxWithdrawRequests = MaxWithdrawRequests;
 	type MaxUnstakeRequests = MaxUnstakeRequests;
 	type MaxDelegations = MaxDelegations;
+	type SlashedAmountRecipient = SlashedAmountRecipient;
 	type WeightInfo = ();
 }
 

precompiles/multi-asset-delegation/src/mock.rs

@@ -334,6 +334,7 @@ parameter_types! {
 	pub const MinOperatorBondAmount: u64 = 10_000;
 	pub const BondDuration: u32 = 10;
 	pub PID: PalletId = PalletId(*b"PotStake");
+	pub SlashedAmountRecipient : AccountId = TestAccount::Alex.into();
 	#[derive(PartialEq, Eq, Clone, Copy, Debug, Encode, Decode, MaxEncodedLen, TypeInfo)]
 	pub const MaxDelegatorBlueprints : u32 = 50;
 	#[derive(PartialEq, Eq, Clone, Copy, Debug, Encode, Decode, MaxEncodedLen, TypeInfo)]
@@ -366,6 +367,7 @@ impl pallet_multi_asset_delegation::Config for Runtime {
 	type MaxWithdrawRequests = MaxWithdrawRequests;
 	type MaxUnstakeRequests = MaxUnstakeRequests;
 	type MaxDelegations = MaxDelegations;
+	type SlashedAmountRecipient = SlashedAmountRecipient;
 	type PalletId = PID;
 	type WeightInfo = ();
 }

runtime/mainnet/src/lib.rs

@@ -1267,6 +1267,7 @@ impl pallet_multi_asset_delegation::Config for Runtime {
 	type ForceOrigin = frame_system::EnsureRoot<Self::AccountId>;
 	type PalletId = PID;
 	type VaultId = AssetId;
+	type SlashedAmountRecipient = TreasuryAccount;
 	type MaxDelegatorBlueprints = MaxDelegatorBlueprints;
 	type MaxOperatorBlueprints = MaxOperatorBlueprints;
 	type MaxWithdrawRequests = MaxWithdrawRequests;

runtime/testnet/src/lib.rs

@@ -1484,6 +1484,7 @@ impl pallet_multi_asset_delegation::Config for Runtime {
 	type MinDelegateAmount = MinDelegateAmount;
 	type Fungibles = Assets;
 	type AssetId = AssetId;
+	type SlashedAmountRecipient = TreasuryAccount;
 	type ForceOrigin = frame_system::EnsureRoot<Self::AccountId>;
 	type PalletId = PID;
 	type VaultId = AssetId;