Migrate fee payment from Currency to fungible

bridges/bin/runtime-common/src/mock.rs

@@ -165,7 +165,7 @@ impl pallet_balances::Config for TestRuntime {
 }
 
 impl pallet_transaction_payment::Config for TestRuntime {
-	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = IdentityFee<ThisChainBalance>;
 	type LengthToFee = ConstantMultiplier<ThisChainBalance, TransactionByteFee>;

cumulus/parachains/common/src/impls.rs

@@ -17,8 +17,9 @@
 //! Taken from polkadot/runtime/common (at a21cd64) and adapted for parachains.
 
 use frame_support::traits::{
-	fungibles::{self, Balanced, Credit},
-	Contains, ContainsPair, Currency, Get, Imbalance, OnUnbalanced,
+	fungible::{self, Balanced as FungibleBalanced},
+	fungibles::{self, Balanced as FungiblesBalanced},
+	Contains, ContainsPair, Currency, Defensive, Get, Imbalance, OnUnbalanced,
 };
 use pallet_asset_tx_payment::HandleCredit;
 use sp_runtime::traits::Zero;
@@ -35,28 +36,33 @@ pub type AccountIdOf<R> = <R as frame_system::Config>::AccountId;
 
 /// Implementation of `OnUnbalanced` that deposits the fees into a staking pot for later payout.
 pub struct ToStakingPot<R>(PhantomData<R>);
-impl<R> OnUnbalanced<NegativeImbalance<R>> for ToStakingPot<R>
+impl<R> OnUnbalanced<fungible::Credit<R::AccountId, pallet_balances::Pallet<R>>> for ToStakingPot<R>
 where
 	R: pallet_balances::Config + pallet_collator_selection::Config,
 	AccountIdOf<R>: From<polkadot_primitives::AccountId> + Into<polkadot_primitives::AccountId>,
 	<R as frame_system::Config>::RuntimeEvent: From<pallet_balances::Event<R>>,
 {
-	fn on_nonzero_unbalanced(amount: NegativeImbalance<R>) {
+	fn on_nonzero_unbalanced(amount: fungible::Credit<R::AccountId, pallet_balances::Pallet<R>>) {
 		let staking_pot = <pallet_collator_selection::Pallet<R>>::account_id();
-		<pallet_balances::Pallet<R>>::resolve_creating(&staking_pot, amount);
+		// In case of error: Will drop the result triggering the `OnDrop` of the imbalance.
+		let _ = <pallet_balances::Pallet<R>>::resolve(&staking_pot, amount).defensive();
 	}
 }
 
 /// Implementation of `OnUnbalanced` that deals with the fees by combining tip and fee and passing
 /// the result on to `ToStakingPot`.
 pub struct DealWithFees<R>(PhantomData<R>);
-impl<R> OnUnbalanced<NegativeImbalance<R>> for DealWithFees<R>
+impl<R> OnUnbalanced<fungible::Credit<R::AccountId, pallet_balances::Pallet<R>>> for DealWithFees<R>
 where
 	R: pallet_balances::Config + pallet_collator_selection::Config,
 	AccountIdOf<R>: From<polkadot_primitives::AccountId> + Into<polkadot_primitives::AccountId>,
 	<R as frame_system::Config>::RuntimeEvent: From<pallet_balances::Event<R>>,
 {
-	fn on_unbalanceds<B>(mut fees_then_tips: impl Iterator<Item = NegativeImbalance<R>>) {
+	fn on_unbalanceds<B>(
+		mut fees_then_tips: impl Iterator<
+			Item = fungible::Credit<R::AccountId, pallet_balances::Pallet<R>>,
+		>,
+	) {
 		if let Some(mut fees) = fees_then_tips.next() {
 			if let Some(tips) = fees_then_tips.next() {
 				tips.merge_into(&mut fees);
@@ -75,10 +81,10 @@ where
 	R: pallet_authorship::Config + pallet_assets::Config<I>,
 	AccountIdOf<R>: From<polkadot_primitives::AccountId> + Into<polkadot_primitives::AccountId>,
 {
-	fn handle_credit(credit: Credit<AccountIdOf<R>, pallet_assets::Pallet<R, I>>) {
+	fn handle_credit(credit: fungibles::Credit<AccountIdOf<R>, pallet_assets::Pallet<R, I>>) {
 		if let Some(author) = pallet_authorship::Pallet::<R>::author() {
 			// In case of error: Will drop the result triggering the `OnDrop` of the imbalance.
-			let _ = pallet_assets::Pallet::<R, I>::resolve(&author, credit);
+			let _ = pallet_assets::Pallet::<R, I>::resolve(&author, credit).defensive();
 		}
 	}
 }

cumulus/parachains/runtimes/assets/asset-hub-kusama/src/lib.rs

@@ -241,7 +241,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/assets/asset-hub-polkadot/src/lib.rs

@@ -249,7 +249,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs

@@ -236,7 +236,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/assets/asset-hub-westend/src/lib.rs

@@ -222,7 +222,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-kusama/src/lib.rs

@@ -266,7 +266,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-polkadot/src/lib.rs

@@ -266,7 +266,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs

@@ -302,7 +302,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/lib.rs

@@ -302,7 +302,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

cumulus/parachains/runtimes/collectives/collectives-polkadot/src/lib.rs

@@ -229,7 +229,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/contracts/contracts-rococo/src/lib.rs

@@ -234,7 +234,7 @@ parameter_types! {
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction =
-		pallet_transaction_payment::CurrencyAdapter<Balances, DealWithFees<Runtime>>;
+		pallet_transaction_payment::FungibleAdapter<Balances, DealWithFees<Runtime>>;
 	type WeightToFee = WeightToFee;
 	/// Relay Chain `TransactionByteFee` / 10
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

cumulus/parachains/runtimes/testing/penpal/src/lib.rs

@@ -414,7 +414,7 @@ parameter_types! {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;

cumulus/parachains/runtimes/testing/rococo-parachain/src/lib.rs

@@ -258,7 +258,7 @@ impl pallet_balances::Config for Runtime {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
 	type WeightToFee = IdentityFee<Balance>;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = ();

cumulus/test/runtime/src/lib.rs

@@ -255,7 +255,7 @@ impl pallet_balances::Config for Runtime {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
 	type WeightToFee = IdentityFee<Balance>;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = ();

polkadot/runtime/common/src/impls.rs

@@ -16,37 +16,43 @@
 
 //! Auxiliary `struct`/`enum`s for polkadot runtime.
 
-use crate::NegativeImbalance;
-use frame_support::traits::{Currency, Imbalance, OnUnbalanced};
+use frame_support::traits::{
+	fungible::{Balanced, Credit},
+	Imbalance, OnUnbalanced,
+};
 use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
 use primitives::Balance;
 use sp_runtime::{traits::TryConvert, Perquintill, RuntimeDebug};
 use xcm::VersionedMultiLocation;
 
 /// Logic for the author to get a portion of fees.
 pub struct ToAuthor<R>(sp_std::marker::PhantomData<R>);
-impl<R> OnUnbalanced<NegativeImbalance<R>> for ToAuthor<R>
+impl<R> OnUnbalanced<Credit<R::AccountId, pallet_balances::Pallet<R>>> for ToAuthor<R>
 where
 	R: pallet_balances::Config + pallet_authorship::Config,
 	<R as frame_system::Config>::AccountId: From<primitives::AccountId>,
 	<R as frame_system::Config>::AccountId: Into<primitives::AccountId>,
 {
-	fn on_nonzero_unbalanced(amount: NegativeImbalance<R>) {
+	fn on_nonzero_unbalanced(
+		amount: Credit<<R as frame_system::Config>::AccountId, pallet_balances::Pallet<R>>,
+	) {
 		if let Some(author) = <pallet_authorship::Pallet<R>>::author() {
-			<pallet_balances::Pallet<R>>::resolve_creating(&author, amount);
+			let _ = <pallet_balances::Pallet<R>>::resolve(&author, amount);
 		}
 	}
 }
 
 pub struct DealWithFees<R>(sp_std::marker::PhantomData<R>);
-impl<R> OnUnbalanced<NegativeImbalance<R>> for DealWithFees<R>
+impl<R> OnUnbalanced<Credit<R::AccountId, pallet_balances::Pallet<R>>> for DealWithFees<R>
 where
 	R: pallet_balances::Config + pallet_treasury::Config + pallet_authorship::Config,
-	pallet_treasury::Pallet<R>: OnUnbalanced<NegativeImbalance<R>>,
+	pallet_treasury::Pallet<R>: OnUnbalanced<Credit<R::AccountId, pallet_balances::Pallet<R>>>,
 	<R as frame_system::Config>::AccountId: From<primitives::AccountId>,
 	<R as frame_system::Config>::AccountId: Into<primitives::AccountId>,
 {
-	fn on_unbalanceds<B>(mut fees_then_tips: impl Iterator<Item = NegativeImbalance<R>>) {
+	fn on_unbalanceds<B>(
+		mut fees_then_tips: impl Iterator<Item = Credit<R::AccountId, pallet_balances::Pallet<R>>>,
+	) {
 		if let Some(fees) = fees_then_tips.next() {
 			// for fees, 80% to treasury, 20% to author
 			let mut split = fees.ration(80, 20);

polkadot/runtime/rococo/src/lib.rs

@@ -80,7 +80,7 @@ use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
 use pallet_identity::legacy::IdentityInfo;
 use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
 use pallet_session::historical as session_historical;
-use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
+use pallet_transaction_payment::{FeeDetails, FungibleAdapter, RuntimeDispatchInfo};
 use sp_core::{ConstU128, OpaqueMetadata, H256};
 use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
@@ -335,7 +335,7 @@ parameter_types! {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = CurrencyAdapter<Balances, ToAuthor<Runtime>>;
+	type OnChargeTransaction = FungibleAdapter<Balances, ToAuthor<Runtime>>;
 	type OperationalFeeMultiplier = OperationalFeeMultiplier;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

polkadot/runtime/westend/src/lib.rs

@@ -43,7 +43,7 @@ use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
 use pallet_identity::legacy::IdentityInfo;
 use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
 use pallet_session::historical as session_historical;
-use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
+use pallet_transaction_payment::{FeeDetails, FungibleAdapter, RuntimeDispatchInfo};
 use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
 use primitives::{
 	slashing, vstaging::NodeFeatures, AccountId, AccountIndex, Balance, BlockNumber,
@@ -398,7 +398,7 @@ parameter_types! {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = CurrencyAdapter<Balances, ToAuthor<Runtime>>;
+	type OnChargeTransaction = FungibleAdapter<Balances, ToAuthor<Runtime>>;
 	type OperationalFeeMultiplier = OperationalFeeMultiplier;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;

polkadot/xcm/xcm-builder/src/weight.rs

@@ -16,7 +16,10 @@
 
 use frame_support::{
 	dispatch::GetDispatchInfo,
-	traits::{tokens::currency::Currency as CurrencyT, Get, OnUnbalanced as OnUnbalancedT},
+	traits::{
+		fungible::{Balanced, Credit, Inspect},
+		Get, OnUnbalanced as OnUnbalancedT,
+	},
 	weights::{
 		constants::{WEIGHT_PROOF_SIZE_PER_MB, WEIGHT_REF_TIME_PER_SECOND},
 		WeightToFee as WeightToFeeT,
@@ -193,23 +196,23 @@ impl<T: Get<(AssetId, u128, u128)>, R: TakeRevenue> Drop for FixedRateOfFungible
 /// Weight trader which uses the configured `WeightToFee` to set the right price for weight and then
 /// places any weight bought into the right account.
 pub struct UsingComponents<
-	WeightToFee: WeightToFeeT<Balance = Currency::Balance>,
+	WeightToFee: WeightToFeeT<Balance = <Fungible as Inspect<AccountId>>::Balance>,
 	AssetId: Get<MultiLocation>,
 	AccountId,
-	Currency: CurrencyT<AccountId>,
-	OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,
+	Fungible: Balanced<AccountId> + Inspect<AccountId>,
+	OnUnbalanced: OnUnbalancedT<Credit<AccountId, Fungible>>,
 >(
 	Weight,
-	Currency::Balance,
-	PhantomData<(WeightToFee, AssetId, AccountId, Currency, OnUnbalanced)>,
+	Fungible::Balance,
+	PhantomData<(WeightToFee, AssetId, AccountId, Fungible, OnUnbalanced)>,
 );
 impl<
-		WeightToFee: WeightToFeeT<Balance = Currency::Balance>,
+		WeightToFee: WeightToFeeT<Balance = <Fungible as Inspect<AccountId>>::Balance>,
 		AssetId: Get<MultiLocation>,
 		AccountId,
-		Currency: CurrencyT<AccountId>,
-		OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,
-	> WeightTrader for UsingComponents<WeightToFee, AssetId, AccountId, Currency, OnUnbalanced>
+		Fungible: Balanced<AccountId> + Inspect<AccountId>,
+		OnUnbalanced: OnUnbalancedT<Credit<AccountId, Fungible>>,
+	> WeightTrader for UsingComponents<WeightToFee, AssetId, AccountId, Fungible, OnUnbalanced>
 {
 	fn new() -> Self {
 		Self(Weight::zero(), Zero::zero(), PhantomData)
@@ -246,14 +249,14 @@ impl<
 	}
 }
 impl<
-		WeightToFee: WeightToFeeT<Balance = Currency::Balance>,
+		WeightToFee: WeightToFeeT<Balance = <Fungible as Inspect<AccountId>>::Balance>,
 		AssetId: Get<MultiLocation>,
 		AccountId,
-		Currency: CurrencyT<AccountId>,
-		OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,
-	> Drop for UsingComponents<WeightToFee, AssetId, AccountId, Currency, OnUnbalanced>
+		Fungible: Balanced<AccountId> + Inspect<AccountId>,
+		OnUnbalanced: OnUnbalancedT<Credit<AccountId, Fungible>>,
+	> Drop for UsingComponents<WeightToFee, AssetId, AccountId, Fungible, OnUnbalanced>
 {
 	fn drop(&mut self) {
-		OnUnbalanced::on_unbalanced(Currency::issue(self.1));
+		OnUnbalanced::on_unbalanced(Fungible::issue(self.1));
 	}
 }

substrate/bin/minimal/runtime/src/lib.rs

@@ -98,7 +98,7 @@ impl pallet_timestamp::Config for Runtime {}
 
 #[derive_impl(pallet_transaction_payment::config_preludes::TestDefaultConfig as pallet_transaction_payment::DefaultConfig)]
 impl pallet_transaction_payment::Config for Runtime {
-	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = pallet_transaction_payment::FungibleAdapter<Balances, ()>;
 	type WeightToFee = NoFee<<Self as pallet_balances::Config>::Balance>;
 	type LengthToFee = FixedFee<1, <Self as pallet_balances::Config>::Balance>;
 }

substrate/bin/node-template/runtime/src/lib.rs

@@ -42,7 +42,7 @@ pub use frame_support::{
 pub use frame_system::Call as SystemCall;
 pub use pallet_balances::Call as BalancesCall;
 pub use pallet_timestamp::Call as TimestampCall;
-use pallet_transaction_payment::{ConstFeeMultiplier, CurrencyAdapter, Multiplier};
+use pallet_transaction_payment::{ConstFeeMultiplier, FungibleAdapter, Multiplier};
 #[cfg(any(feature = "std", test))]
 pub use sp_runtime::BuildStorage;
 pub use sp_runtime::{Perbill, Permill};
@@ -261,7 +261,7 @@ parameter_types! {
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type OnChargeTransaction = CurrencyAdapter<Balances, ()>;
+	type OnChargeTransaction = FungibleAdapter<Balances, ()>;
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = IdentityFee<Balance>;
 	type LengthToFee = IdentityFee<Balance>;

substrate/bin/node/runtime/src/lib.rs

@@ -65,6 +65,9 @@ use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
 use pallet_nfts::PalletFeatures;
 use pallet_nis::WithMaximumOf;
 use pallet_session::historical as pallet_session_historical;
+// Can't use `FungibleAdapter` here until Treasury pallet migrates to fungibles
+// <https://github.com/paritytech/polkadot-sdk/issues/226>
+#[allow(deprecated)]
 pub use pallet_transaction_payment::{CurrencyAdapter, Multiplier, TargetedFeeAdjustment};
 use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
 use pallet_tx_pause::RuntimeCallNameOf;
@@ -538,6 +541,9 @@ parameter_types! {
 	pub MaximumMultiplier: Multiplier = Bounded::max_value();
 }
 
+// Can't use `FungibleAdapter` here until Treasury pallet migrates to fungibles
+// <https://github.com/paritytech/polkadot-sdk/issues/226>
+#[allow(deprecated)]
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction = CurrencyAdapter<Balances, DealWithFees>;