Revert "FRAME: Create TransactionExtension as a replacement for SignedExtension (#2280)" (#3665)

This PR reverts #2280 which introduced `TransactionExtension` to replace
`SignedExtension`.

As a result of the discussion
[here](https://github.com/paritytech/polkadot-sdk/pull/3623#issuecomment-1986789700),
the changes will be reverted for now with plans to reintroduce the
concept in the future.

---------

Signed-off-by: georgepisaltu <george.pisaltu@parity.io>

substrate/frame/system/src/extensions/check_genesis.rs

@@ -19,8 +19,7 @@ use crate::{pallet_prelude::BlockNumberFor, Config, Pallet};
 use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 use sp_runtime::{
-	impl_tx_ext_default,
-	traits::{TransactionExtension, TransactionExtensionBase, Zero},
+	traits::{DispatchInfoOf, SignedExtension, Zero},
 	transaction_validity::TransactionValidityError,
 };
 
@@ -47,26 +46,30 @@ impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckGenesis<T> {
 }
 
 impl<T: Config + Send + Sync> CheckGenesis<T> {
-	/// Creates new `TransactionExtension` to check genesis hash.
+	/// Creates new `SignedExtension` to check genesis hash.
 	pub fn new() -> Self {
 		Self(sp_std::marker::PhantomData)
 	}
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckGenesis<T> {
+impl<T: Config + Send + Sync> SignedExtension for CheckGenesis<T> {
+	type AccountId = T::AccountId;
+	type Call = <T as Config>::RuntimeCall;
+	type AdditionalSigned = T::Hash;
+	type Pre = ();
 	const IDENTIFIER: &'static str = "CheckGenesis";
-	type Implicit = T::Hash;
-	fn implicit(&self) -> Result<Self::Implicit, TransactionValidityError> {
+
+	fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
 		Ok(<Pallet<T>>::block_hash(BlockNumberFor::<T>::zero()))
 	}
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_genesis()
+
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		self.validate(who, call, info, len).map(|_| ())
 	}
 }
-impl<T: Config + Send + Sync, Context> TransactionExtension<T::RuntimeCall, Context>
-	for CheckGenesis<T>
-{
-	type Val = ();
-	type Pre = ();
-	impl_tx_ext_default!(T::RuntimeCall; Context; validate prepare);
-}

substrate/frame/system/src/extensions/check_mortality.rs

@@ -20,12 +20,10 @@ use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 use sp_runtime::{
 	generic::Era,
-	impl_tx_ext_default,
-	traits::{
-		DispatchInfoOf, SaturatedConversion, TransactionExtension, TransactionExtensionBase,
-		ValidateResult,
+	traits::{DispatchInfoOf, SaturatedConversion, SignedExtension},
+	transaction_validity::{
+		InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransaction,
 	},
-	transaction_validity::{InvalidTransaction, TransactionValidityError, ValidTransaction},
 };
 
 /// Check for transaction mortality.
@@ -56,11 +54,29 @@ impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckMortality<T> {
 	}
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckMortality<T> {
+impl<T: Config + Send + Sync> SignedExtension for CheckMortality<T> {
+	type AccountId = T::AccountId;
+	type Call = T::RuntimeCall;
+	type AdditionalSigned = T::Hash;
+	type Pre = ();
 	const IDENTIFIER: &'static str = "CheckMortality";
-	type Implicit = T::Hash;
 
-	fn implicit(&self) -> Result<Self::Implicit, TransactionValidityError> {
+	fn validate(
+		&self,
+		_who: &Self::AccountId,
+		_call: &Self::Call,
+		_info: &DispatchInfoOf<Self::Call>,
+		_len: usize,
+	) -> TransactionValidity {
+		let current_u64 = <Pallet<T>>::block_number().saturated_into::<u64>();
+		let valid_till = self.0.death(current_u64);
+		Ok(ValidTransaction {
+			longevity: valid_till.saturating_sub(current_u64),
+			..Default::default()
+		})
+	}
+
+	fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
 		let current_u64 = <Pallet<T>>::block_number().saturated_into::<u64>();
 		let n = self.0.birth(current_u64).saturated_into::<BlockNumberFor<T>>();
 		if !<BlockHash<T>>::contains_key(n) {
@@ -69,38 +85,16 @@ impl<T: Config + Send + Sync> TransactionExtensionBase for CheckMortality<T> {
 			Ok(<Pallet<T>>::block_hash(n))
 		}
 	}
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_mortality()
-	}
-}
-impl<T: Config + Send + Sync, Context> TransactionExtension<T::RuntimeCall, Context>
-	for CheckMortality<T>
-{
-	type Pre = ();
-	type Val = ();
 
-	fn validate(
-		&self,
-		origin: <T as Config>::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		_info: &DispatchInfoOf<T::RuntimeCall>,
-		_len: usize,
-		_context: &mut Context,
-		_self_implicit: Self::Implicit,
-		_inherited_implication: &impl Encode,
-	) -> ValidateResult<Self::Val, T::RuntimeCall> {
-		let current_u64 = <Pallet<T>>::block_number().saturated_into::<u64>();
-		let valid_till = self.0.death(current_u64);
-		Ok((
-			ValidTransaction {
-				longevity: valid_till.saturating_sub(current_u64),
-				..Default::default()
-			},
-			(),
-			origin,
-		))
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		self.validate(who, call, info, len).map(|_| ())
 	}
-	impl_tx_ext_default!(T::RuntimeCall; Context; prepare);
 }
 
 #[cfg(test)]
@@ -112,21 +106,23 @@ mod tests {
 		weights::Weight,
 	};
 	use sp_core::H256;
-	use sp_runtime::traits::DispatchTransaction;
 
 	#[test]
 	fn signed_ext_check_era_should_work() {
 		new_test_ext().execute_with(|| {
 			// future
 			assert_eq!(
-				CheckMortality::<Test>::from(Era::mortal(4, 2)).implicit().err().unwrap(),
+				CheckMortality::<Test>::from(Era::mortal(4, 2))
+					.additional_signed()
+					.err()
+					.unwrap(),
 				InvalidTransaction::AncientBirthBlock.into(),
 			);
 
 			// correct
 			System::set_block_number(13);
 			<BlockHash<Test>>::insert(12, H256::repeat_byte(1));
-			assert!(CheckMortality::<Test>::from(Era::mortal(4, 12)).implicit().is_ok());
+			assert!(CheckMortality::<Test>::from(Era::mortal(4, 12)).additional_signed().is_ok());
 		})
 	}
 
@@ -146,10 +142,7 @@ mod tests {
 			System::set_block_number(17);
 			<BlockHash<Test>>::insert(16, H256::repeat_byte(1));
 
-			assert_eq!(
-				ext.validate_only(Some(1).into(), CALL, &normal, len).unwrap().0.longevity,
-				15
-			);
+			assert_eq!(ext.validate(&1, CALL, &normal, len).unwrap().longevity, 15);
 		})
 	}
 }

substrate/frame/system/src/extensions/check_non_zero_sender.rs

@@ -17,14 +17,13 @@
 
 use crate::Config;
 use codec::{Decode, Encode};
-use frame_support::{traits::OriginTrait, DefaultNoBound};
+use frame_support::{dispatch::DispatchInfo, DefaultNoBound};
 use scale_info::TypeInfo;
 use sp_runtime::{
-	impl_tx_ext_default,
-	traits::{
-		transaction_extension::TransactionExtensionBase, DispatchInfoOf, TransactionExtension,
+	traits::{DispatchInfoOf, Dispatchable, SignedExtension},
+	transaction_validity::{
+		InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransaction,
 	},
-	transaction_validity::InvalidTransaction,
 };
 use sp_std::{marker::PhantomData, prelude::*};
 
@@ -46,82 +45,66 @@ impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckNonZeroSender<T> {
 }
 
 impl<T: Config + Send + Sync> CheckNonZeroSender<T> {
-	/// Create new `TransactionExtension` to check runtime version.
+	/// Create new `SignedExtension` to check runtime version.
 	pub fn new() -> Self {
 		Self(sp_std::marker::PhantomData)
 	}
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckNonZeroSender<T> {
-	const IDENTIFIER: &'static str = "CheckNonZeroSender";
-	type Implicit = ();
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_non_zero_sender()
-	}
-}
-impl<T: Config + Send + Sync, Context> TransactionExtension<T::RuntimeCall, Context>
-	for CheckNonZeroSender<T>
+impl<T: Config + Send + Sync> SignedExtension for CheckNonZeroSender<T>
+where
+	T::RuntimeCall: Dispatchable<Info = DispatchInfo>,
 {
-	type Val = ();
+	type AccountId = T::AccountId;
+	type Call = T::RuntimeCall;
+	type AdditionalSigned = ();
 	type Pre = ();
+	const IDENTIFIER: &'static str = "CheckNonZeroSender";
+
+	fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {
+		Ok(())
+	}
+
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		self.validate(who, call, info, len).map(|_| ())
+	}
+
 	fn validate(
 		&self,
-		origin: <T as Config>::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		_info: &DispatchInfoOf<T::RuntimeCall>,
+		who: &Self::AccountId,
+		_call: &Self::Call,
+		_info: &DispatchInfoOf<Self::Call>,
 		_len: usize,
-		_context: &mut Context,
-		_self_implicit: Self::Implicit,
-		_inherited_implication: &impl Encode,
-	) -> sp_runtime::traits::ValidateResult<Self::Val, T::RuntimeCall> {
-		if let Some(who) = origin.as_system_signer() {
-			if who.using_encoded(|d| d.iter().all(|x| *x == 0)) {
-				return Err(InvalidTransaction::BadSigner.into())
-			}
+	) -> TransactionValidity {
+		if who.using_encoded(|d| d.iter().all(|x| *x == 0)) {
+			return Err(TransactionValidityError::Invalid(InvalidTransaction::BadSigner))
 		}
-		Ok((Default::default(), (), origin))
+		Ok(ValidTransaction::default())
 	}
-	impl_tx_ext_default!(T::RuntimeCall; Context; prepare);
 }
 
 #[cfg(test)]
 mod tests {
 	use super::*;
 	use crate::mock::{new_test_ext, Test, CALL};
-	use frame_support::{assert_ok, dispatch::DispatchInfo};
-	use sp_runtime::{traits::DispatchTransaction, TransactionValidityError};
+	use frame_support::{assert_noop, assert_ok};
 
 	#[test]
 	fn zero_account_ban_works() {
 		new_test_ext().execute_with(|| {
 			let info = DispatchInfo::default();
 			let len = 0_usize;
-			assert_eq!(
-				CheckNonZeroSender::<Test>::new()
-					.validate_only(Some(0).into(), CALL, &info, len)
-					.unwrap_err(),
-				TransactionValidityError::from(InvalidTransaction::BadSigner)
+			assert_noop!(
+				CheckNonZeroSender::<Test>::new().validate(&0, CALL, &info, len),
+				InvalidTransaction::BadSigner
 			);
-			assert_ok!(CheckNonZeroSender::<Test>::new().validate_only(
-				Some(1).into(),
-				CALL,
-				&info,
-				len
-			));
-		})
-	}
-
-	#[test]
-	fn unsigned_origin_works() {
-		new_test_ext().execute_with(|| {
-			let info = DispatchInfo::default();
-			let len = 0_usize;
-			assert_ok!(CheckNonZeroSender::<Test>::new().validate_only(
-				None.into(),
-				CALL,
-				&info,
-				len
-			));
+			assert_ok!(CheckNonZeroSender::<Test>::new().validate(&1, CALL, &info, len));
 		})
 	}
 }

substrate/frame/system/src/extensions/check_nonce.rs

@@ -15,19 +15,16 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crate::{AccountInfo, Config};
+use crate::Config;
 use codec::{Decode, Encode};
 use frame_support::dispatch::DispatchInfo;
 use scale_info::TypeInfo;
 use sp_runtime::{
-	traits::{
-		AsSystemOriginSigner, DispatchInfoOf, Dispatchable, One, TransactionExtension,
-		TransactionExtensionBase, ValidateResult, Zero,
-	},
+	traits::{DispatchInfoOf, Dispatchable, One, SignedExtension, Zero},
 	transaction_validity::{
-		InvalidTransaction, TransactionLongevity, TransactionValidityError, ValidTransaction,
+		InvalidTransaction, TransactionLongevity, TransactionValidity, TransactionValidityError,
+		ValidTransaction,
 	},
-	Saturating,
 };
 use sp_std::vec;
 
@@ -61,78 +58,75 @@ impl<T: Config> sp_std::fmt::Debug for CheckNonce<T> {
 	}
 }
 
-impl<T: Config> TransactionExtensionBase for CheckNonce<T> {
-	const IDENTIFIER: &'static str = "CheckNonce";
-	type Implicit = ();
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_nonce()
-	}
-}
-impl<T: Config, Context> TransactionExtension<T::RuntimeCall, Context> for CheckNonce<T>
+impl<T: Config> SignedExtension for CheckNonce<T>
 where
 	T::RuntimeCall: Dispatchable<Info = DispatchInfo>,
-	<T::RuntimeCall as Dispatchable>::RuntimeOrigin: AsSystemOriginSigner<T::AccountId> + Clone,
 {
-	type Val = Option<(T::AccountId, AccountInfo<T::Nonce, T::AccountData>)>;
+	type AccountId = T::AccountId;
+	type Call = T::RuntimeCall;
+	type AdditionalSigned = ();
 	type Pre = ();
+	const IDENTIFIER: &'static str = "CheckNonce";
 
-	fn validate(
-		&self,
-		origin: <T as Config>::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		_info: &DispatchInfoOf<T::RuntimeCall>,
+	fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {
+		Ok(())
+	}
+
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		_call: &Self::Call,
+		_info: &DispatchInfoOf<Self::Call>,
 		_len: usize,
-		_context: &mut Context,
-		_self_implicit: Self::Implicit,
-		_inherited_implication: &impl Encode,
-	) -> ValidateResult<Self::Val, T::RuntimeCall> {
-		let Some(who) = origin.as_system_origin_signer() else {
-			return Ok((Default::default(), None, origin))
-		};
-		let account = crate::Account::<T>::get(who);
+	) -> Result<(), TransactionValidityError> {
+		let mut account = crate::Account::<T>::get(who);
 		if account.providers.is_zero() && account.sufficients.is_zero() {
 			// Nonce storage not paid for
 			return Err(InvalidTransaction::Payment.into())
 		}
+		if self.0 != account.nonce {
+			return Err(if self.0 < account.nonce {
+				InvalidTransaction::Stale
+			} else {
+				InvalidTransaction::Future
+			}
+			.into())
+		}
+		account.nonce += T::Nonce::one();
+		crate::Account::<T>::insert(who, account);
+		Ok(())
+	}
+
+	fn validate(
+		&self,
+		who: &Self::AccountId,
+		_call: &Self::Call,
+		_info: &DispatchInfoOf<Self::Call>,
+		_len: usize,
+	) -> TransactionValidity {
+		let account = crate::Account::<T>::get(who);
+		if account.providers.is_zero() && account.sufficients.is_zero() {
+			// Nonce storage not paid for
+			return InvalidTransaction::Payment.into()
+		}
 		if self.0 < account.nonce {
-			return Err(InvalidTransaction::Stale.into())
+			return InvalidTransaction::Stale.into()
 		}
 
-		let provides = vec![Encode::encode(&(who.clone(), self.0))];
+		let provides = vec![Encode::encode(&(who, self.0))];
 		let requires = if account.nonce < self.0 {
-			vec![Encode::encode(&(who.clone(), self.0.saturating_sub(One::one())))]
+			vec![Encode::encode(&(who, self.0 - One::one()))]
 		} else {
 			vec![]
 		};
 
-		let validity = ValidTransaction {
+		Ok(ValidTransaction {
 			priority: 0,
 			requires,
 			provides,
 			longevity: TransactionLongevity::max_value(),
 			propagate: true,
-		};
-
-		Ok((validity, Some((who.clone(), account)), origin))
-	}
-
-	fn prepare(
-		self,
-		val: Self::Val,
-		_origin: &T::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		_info: &DispatchInfoOf<T::RuntimeCall>,
-		_len: usize,
-		_context: &Context,
-	) -> Result<Self::Pre, TransactionValidityError> {
-		let Some((who, mut account)) = val else { return Ok(()) };
-		// `self.0 < account.nonce` already checked in `validate`.
-		if self.0 > account.nonce {
-			return Err(InvalidTransaction::Future.into())
-		}
-		account.nonce.saturating_inc();
-		crate::Account::<T>::insert(who, account);
-		Ok(())
+		})
 	}
 }
 
@@ -140,8 +134,7 @@ where
 mod tests {
 	use super::*;
 	use crate::mock::{new_test_ext, Test, CALL};
-	use frame_support::assert_ok;
-	use sp_runtime::traits::DispatchTransaction;
+	use frame_support::{assert_noop, assert_ok};
 
 	#[test]
 	fn signed_ext_check_nonce_works() {
@@ -159,33 +152,22 @@ mod tests {
 			let info = DispatchInfo::default();
 			let len = 0_usize;
 			// stale
-			assert_eq!(
-				CheckNonce::<Test>(0)
-					.validate_only(Some(1).into(), CALL, &info, len,)
-					.unwrap_err(),
-				TransactionValidityError::Invalid(InvalidTransaction::Stale)
+			assert_noop!(
+				CheckNonce::<Test>(0).validate(&1, CALL, &info, len),
+				InvalidTransaction::Stale
 			);
-			assert_eq!(
-				CheckNonce::<Test>(0)
-					.validate_and_prepare(Some(1).into(), CALL, &info, len)
-					.unwrap_err(),
-				InvalidTransaction::Stale.into()
+			assert_noop!(
+				CheckNonce::<Test>(0).pre_dispatch(&1, CALL, &info, len),
+				InvalidTransaction::Stale
 			);
 			// correct
-			assert_ok!(CheckNonce::<Test>(1).validate_only(Some(1).into(), CALL, &info, len));
-			assert_ok!(CheckNonce::<Test>(1).validate_and_prepare(
-				Some(1).into(),
-				CALL,
-				&info,
-				len
-			));
+			assert_ok!(CheckNonce::<Test>(1).validate(&1, CALL, &info, len));
+			assert_ok!(CheckNonce::<Test>(1).pre_dispatch(&1, CALL, &info, len));
 			// future
-			assert_ok!(CheckNonce::<Test>(5).validate_only(Some(1).into(), CALL, &info, len));
-			assert_eq!(
-				CheckNonce::<Test>(5)
-					.validate_and_prepare(Some(1).into(), CALL, &info, len)
-					.unwrap_err(),
-				InvalidTransaction::Future.into()
+			assert_ok!(CheckNonce::<Test>(5).validate(&1, CALL, &info, len));
+			assert_noop!(
+				CheckNonce::<Test>(5).pre_dispatch(&1, CALL, &info, len),
+				InvalidTransaction::Future
 			);
 		})
 	}
@@ -216,44 +198,20 @@ mod tests {
 			let info = DispatchInfo::default();
 			let len = 0_usize;
 			// Both providers and sufficients zero
-			assert_eq!(
-				CheckNonce::<Test>(1)
-					.validate_only(Some(1).into(), CALL, &info, len)
-					.unwrap_err(),
-				TransactionValidityError::Invalid(InvalidTransaction::Payment)
+			assert_noop!(
+				CheckNonce::<Test>(1).validate(&1, CALL, &info, len),
+				InvalidTransaction::Payment
 			);
-			assert_eq!(
-				CheckNonce::<Test>(1)
-					.validate_and_prepare(Some(1).into(), CALL, &info, len)
-					.unwrap_err(),
-				TransactionValidityError::Invalid(InvalidTransaction::Payment)
+			assert_noop!(
+				CheckNonce::<Test>(1).pre_dispatch(&1, CALL, &info, len),
+				InvalidTransaction::Payment
 			);
 			// Non-zero providers
-			assert_ok!(CheckNonce::<Test>(1).validate_only(Some(2).into(), CALL, &info, len));
-			assert_ok!(CheckNonce::<Test>(1).validate_and_prepare(
-				Some(2).into(),
-				CALL,
-				&info,
-				len
-			));
+			assert_ok!(CheckNonce::<Test>(1).validate(&2, CALL, &info, len));
+			assert_ok!(CheckNonce::<Test>(1).pre_dispatch(&2, CALL, &info, len));
 			// Non-zero sufficients
-			assert_ok!(CheckNonce::<Test>(1).validate_only(Some(3).into(), CALL, &info, len));
-			assert_ok!(CheckNonce::<Test>(1).validate_and_prepare(
-				Some(3).into(),
-				CALL,
-				&info,
-				len
-			));
-		})
-	}
-
-	#[test]
-	fn unsigned_check_nonce_works() {
-		new_test_ext().execute_with(|| {
-			let info = DispatchInfo::default();
-			let len = 0_usize;
-			assert_ok!(CheckNonce::<Test>(1).validate_only(None.into(), CALL, &info, len));
-			assert_ok!(CheckNonce::<Test>(1).validate_and_prepare(None.into(), CALL, &info, len));
+			assert_ok!(CheckNonce::<Test>(1).validate(&3, CALL, &info, len));
+			assert_ok!(CheckNonce::<Test>(1).pre_dispatch(&3, CALL, &info, len));
 		})
 	}
 }

substrate/frame/system/src/extensions/check_spec_version.rs

@@ -19,8 +19,7 @@ use crate::{Config, Pallet};
 use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 use sp_runtime::{
-	impl_tx_ext_default,
-	traits::{transaction_extension::TransactionExtensionBase, TransactionExtension},
+	traits::{DispatchInfoOf, SignedExtension},
 	transaction_validity::TransactionValidityError,
 };
 
@@ -47,26 +46,30 @@ impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckSpecVersion<T> {
 }
 
 impl<T: Config + Send + Sync> CheckSpecVersion<T> {
-	/// Create new `TransactionExtension` to check runtime version.
+	/// Create new `SignedExtension` to check runtime version.
 	pub fn new() -> Self {
 		Self(sp_std::marker::PhantomData)
 	}
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckSpecVersion<T> {
+impl<T: Config + Send + Sync> SignedExtension for CheckSpecVersion<T> {
+	type AccountId = T::AccountId;
+	type Call = <T as Config>::RuntimeCall;
+	type AdditionalSigned = u32;
+	type Pre = ();
 	const IDENTIFIER: &'static str = "CheckSpecVersion";
-	type Implicit = u32;
-	fn implicit(&self) -> Result<Self::Implicit, TransactionValidityError> {
+
+	fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
 		Ok(<Pallet<T>>::runtime_version().spec_version)
 	}
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_spec_version()
+
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		self.validate(who, call, info, len).map(|_| ())
 	}
 }
-impl<T: Config + Send + Sync, Context> TransactionExtension<<T as Config>::RuntimeCall, Context>
-	for CheckSpecVersion<T>
-{
-	type Val = ();
-	type Pre = ();
-	impl_tx_ext_default!(<T as Config>::RuntimeCall; Context; validate prepare);
-}

substrate/frame/system/src/extensions/check_tx_version.rs

@@ -19,8 +19,7 @@ use crate::{Config, Pallet};
 use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 use sp_runtime::{
-	impl_tx_ext_default,
-	traits::{transaction_extension::TransactionExtensionBase, TransactionExtension},
+	traits::{DispatchInfoOf, SignedExtension},
 	transaction_validity::TransactionValidityError,
 };
 
@@ -47,26 +46,29 @@ impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckTxVersion<T> {
 }
 
 impl<T: Config + Send + Sync> CheckTxVersion<T> {
-	/// Create new `TransactionExtension` to check transaction version.
+	/// Create new `SignedExtension` to check transaction version.
 	pub fn new() -> Self {
 		Self(sp_std::marker::PhantomData)
 	}
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckTxVersion<T> {
+impl<T: Config + Send + Sync> SignedExtension for CheckTxVersion<T> {
+	type AccountId = T::AccountId;
+	type Call = <T as Config>::RuntimeCall;
+	type AdditionalSigned = u32;
+	type Pre = ();
 	const IDENTIFIER: &'static str = "CheckTxVersion";
-	type Implicit = u32;
-	fn implicit(&self) -> Result<Self::Implicit, TransactionValidityError> {
+
+	fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
 		Ok(<Pallet<T>>::runtime_version().transaction_version)
 	}
-	fn weight(&self) -> sp_weights::Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_tx_version()
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		self.validate(who, call, info, len).map(|_| ())
 	}
 }
-impl<T: Config + Send + Sync, Context> TransactionExtension<<T as Config>::RuntimeCall, Context>
-	for CheckTxVersion<T>
-{
-	type Val = ();
-	type Pre = ();
-	impl_tx_ext_default!(<T as Config>::RuntimeCall; Context; validate prepare);
-}

substrate/frame/system/src/extensions/check_weight.rs

@@ -23,12 +23,9 @@ use frame_support::{
 };
 use scale_info::TypeInfo;
 use sp_runtime::{
-	traits::{
-		DispatchInfoOf, Dispatchable, PostDispatchInfoOf, TransactionExtension,
-		TransactionExtensionBase, ValidateResult,
-	},
-	transaction_validity::{InvalidTransaction, TransactionValidityError},
-	DispatchResult, ValidTransaction,
+	traits::{DispatchInfoOf, Dispatchable, PostDispatchInfoOf, SignedExtension},
+	transaction_validity::{InvalidTransaction, TransactionValidity, TransactionValidityError},
+	DispatchResult,
 };
 use sp_weights::Weight;
 
@@ -103,44 +100,40 @@ where
 		}
 	}
 
-	/// Creates new `TransactionExtension` to check weight of the extrinsic.
+	/// Creates new `SignedExtension` to check weight of the extrinsic.
 	pub fn new() -> Self {
 		Self(Default::default())
 	}
 
-	/// Do the validate checks. This can be applied to both signed and unsigned.
-	///
-	/// It only checks that the block weight and length limit will not exceed.
-	///
-	/// Returns the transaction validity and the next block length, to be used in `prepare`.
-	pub fn do_validate(
-		info: &DispatchInfoOf<T::RuntimeCall>,
-		len: usize,
-	) -> Result<(ValidTransaction, u32), TransactionValidityError> {
-		// ignore the next length. If they return `Ok`, then it is below the limit.
-		let next_len = Self::check_block_length(info, len)?;
-		// during validation we skip block limit check. Since the `validate_transaction`
-		// call runs on an empty block anyway, by this we prevent `on_initialize` weight
-		// consumption from causing false negatives.
-		Self::check_extrinsic_weight(info)?;
-
-		Ok((Default::default(), next_len))
-	}
-
 	/// Do the pre-dispatch checks. This can be applied to both signed and unsigned.
 	///
 	/// It checks and notes the new weight and length.
-	pub fn do_prepare(
+	pub fn do_pre_dispatch(
 		info: &DispatchInfoOf<T::RuntimeCall>,
-		next_len: u32,
+		len: usize,
 	) -> Result<(), TransactionValidityError> {
+		let next_len = Self::check_block_length(info, len)?;
 		let next_weight = Self::check_block_weight(info)?;
-		// Extrinsic weight already checked in `validate`.
+		Self::check_extrinsic_weight(info)?;
 
 		crate::AllExtrinsicsLen::<T>::put(next_len);
 		crate::BlockWeight::<T>::put(next_weight);
 		Ok(())
 	}
+
+	/// Do the validate checks. This can be applied to both signed and unsigned.
+	///
+	/// It only checks that the block weight and length limit will not exceed.
+	pub fn do_validate(info: &DispatchInfoOf<T::RuntimeCall>, len: usize) -> TransactionValidity {
+		// ignore the next length. If they return `Ok`, then it is below the limit.
+		let _ = Self::check_block_length(info, len)?;
+		// during validation we skip block limit check. Since the `validate_transaction`
+		// call runs on an empty block anyway, by this we prevent `on_initialize` weight
+		// consumption from causing false negatives.
+		Self::check_extrinsic_weight(info)?;
+
+		Ok(Default::default())
+	}
 }
 
 pub fn calculate_consumed_weight<Call>(
@@ -208,55 +201,62 @@ where
 	Ok(all_weight)
 }
 
-impl<T: Config + Send + Sync> TransactionExtensionBase for CheckWeight<T> {
-	const IDENTIFIER: &'static str = "CheckWeight";
-	type Implicit = ();
-
-	fn weight(&self) -> Weight {
-		<T::ExtensionsWeightInfo as super::WeightInfo>::check_weight()
-	}
-}
-impl<T: Config + Send + Sync, Context> TransactionExtension<T::RuntimeCall, Context>
-	for CheckWeight<T>
+impl<T: Config + Send + Sync> SignedExtension for CheckWeight<T>
 where
 	T::RuntimeCall: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,
 {
+	type AccountId = T::AccountId;
+	type Call = T::RuntimeCall;
+	type AdditionalSigned = ();
 	type Pre = ();
-	type Val = u32; /* next block length */
+	const IDENTIFIER: &'static str = "CheckWeight";
+
+	fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {
+		Ok(())
+	}
+
+	fn pre_dispatch(
+		self,
+		_who: &Self::AccountId,
+		_call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<(), TransactionValidityError> {
+		Self::do_pre_dispatch(info, len)
+	}
 
 	fn validate(
 		&self,
-		origin: T::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		info: &DispatchInfoOf<T::RuntimeCall>,
+		_who: &Self::AccountId,
+		_call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
 		len: usize,
-		_context: &mut Context,
-		_self_implicit: Self::Implicit,
-		_inherited_implication: &impl Encode,
-	) -> ValidateResult<Self::Val, T::RuntimeCall> {
-		let (validity, next_len) = Self::do_validate(info, len)?;
-		Ok((validity, next_len, origin))
+	) -> TransactionValidity {
+		Self::do_validate(info, len)
 	}
 
-	fn prepare(
-		self,
-		val: Self::Val,
-		_origin: &T::RuntimeOrigin,
-		_call: &T::RuntimeCall,
-		info: &DispatchInfoOf<T::RuntimeCall>,
-		_len: usize,
-		_context: &Context,
-	) -> Result<Self::Pre, TransactionValidityError> {
-		Self::do_prepare(info, val)
+	fn pre_dispatch_unsigned(
+		_call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<(), TransactionValidityError> {
+		Self::do_pre_dispatch(info, len)
+	}
+
+	fn validate_unsigned(
+		_call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> TransactionValidity {
+		Self::do_validate(info, len)
 	}
 
 	fn post_dispatch(
-		_pre: Self::Pre,
-		info: &DispatchInfoOf<T::RuntimeCall>,
-		post_info: &PostDispatchInfoOf<T::RuntimeCall>,
+		_pre: Option<Self::Pre>,
+		info: &DispatchInfoOf<Self::Call>,
+		post_info: &PostDispatchInfoOf<Self::Call>,
 		_len: usize,
 		_result: &DispatchResult,
-		_context: &Context,
 	) -> Result<(), TransactionValidityError> {
 		let unspent = post_info.calc_unspent(info);
 		if unspent.any_gt(Weight::zero()) {
@@ -301,7 +301,6 @@ mod tests {
 		AllExtrinsicsLen, BlockWeight, DispatchClass,
 	};
 	use frame_support::{assert_err, assert_ok, dispatch::Pays, weights::Weight};
-	use sp_runtime::traits::DispatchTransaction;
 	use sp_std::marker::PhantomData;
 
 	fn block_weights() -> crate::limits::BlockWeights {
@@ -339,8 +338,7 @@ mod tests {
 		}
 
 		check(|max, len| {
-			let next_len = CheckWeight::<Test>::check_block_length(max, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(max, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(max, len));
 			assert_eq!(System::block_weight().total(), Weight::MAX);
 			assert!(System::block_weight().total().ref_time() > block_weight_limit().ref_time());
 		});
@@ -421,11 +419,9 @@ mod tests {
 
 			let len = 0_usize;
 
-			let next_len = CheckWeight::<Test>::check_block_length(&max_normal, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&max_normal, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&max_normal, len));
 			assert_eq!(System::block_weight().total(), Weight::from_parts(768, 0));
-			let next_len = CheckWeight::<Test>::check_block_length(&rest_operational, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&rest_operational, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&rest_operational, len));
 			assert_eq!(block_weight_limit(), Weight::from_parts(1024, u64::MAX));
 			assert_eq!(System::block_weight().total(), block_weight_limit().set_proof_size(0));
 			// Checking single extrinsic should not take current block weight into account.
@@ -447,12 +443,10 @@ mod tests {
 
 			let len = 0_usize;
 
-			let next_len = CheckWeight::<Test>::check_block_length(&rest_operational, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&rest_operational, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&rest_operational, len));
 			// Extra 20 here from block execution + base extrinsic weight
 			assert_eq!(System::block_weight().total(), Weight::from_parts(266, 0));
-			let next_len = CheckWeight::<Test>::check_block_length(&max_normal, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&max_normal, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&max_normal, len));
 			assert_eq!(block_weight_limit(), Weight::from_parts(1024, u64::MAX));
 			assert_eq!(System::block_weight().total(), block_weight_limit().set_proof_size(0));
 		});
@@ -475,19 +469,16 @@ mod tests {
 			};
 			let len = 0_usize;
 
-			let next_len = CheckWeight::<Test>::check_block_length(&dispatch_normal, len).unwrap();
 			assert_err!(
-				CheckWeight::<Test>::do_prepare(&dispatch_normal, next_len),
+				CheckWeight::<Test>::do_pre_dispatch(&dispatch_normal, len),
 				InvalidTransaction::ExhaustsResources
 			);
-			let next_len =
-				CheckWeight::<Test>::check_block_length(&dispatch_operational, len).unwrap();
 			// Thank goodness we can still do an operational transaction to possibly save the
 			// blockchain.
-			assert_ok!(CheckWeight::<Test>::do_prepare(&dispatch_operational, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&dispatch_operational, len));
 			// Not too much though
 			assert_err!(
-				CheckWeight::<Test>::do_prepare(&dispatch_operational, next_len),
+				CheckWeight::<Test>::do_pre_dispatch(&dispatch_operational, len),
 				InvalidTransaction::ExhaustsResources
 			);
 			// Even with full block, validity of single transaction should be correct.
@@ -512,35 +503,21 @@ mod tests {
 				current_weight.set(normal_limit, DispatchClass::Normal)
 			});
 			// will not fit.
-			assert_eq!(
-				CheckWeight::<Test>(PhantomData)
-					.validate_and_prepare(Some(1).into(), CALL, &normal, len)
-					.unwrap_err(),
-				InvalidTransaction::ExhaustsResources.into()
+			assert_err!(
+				CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &normal, len),
+				InvalidTransaction::ExhaustsResources
 			);
 			// will fit.
-			assert_ok!(CheckWeight::<Test>(PhantomData).validate_and_prepare(
-				Some(1).into(),
-				CALL,
-				&op,
-				len
-			));
+			assert_ok!(CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &op, len));
 
 			// likewise for length limit.
 			let len = 100_usize;
 			AllExtrinsicsLen::<Test>::put(normal_length_limit());
-			assert_eq!(
-				CheckWeight::<Test>(PhantomData)
-					.validate_and_prepare(Some(1).into(), CALL, &normal, len)
-					.unwrap_err(),
-				InvalidTransaction::ExhaustsResources.into()
+			assert_err!(
+				CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &normal, len),
+				InvalidTransaction::ExhaustsResources
 			);
-			assert_ok!(CheckWeight::<Test>(PhantomData).validate_and_prepare(
-				Some(1).into(),
-				CALL,
-				&op,
-				len
-			));
+			assert_ok!(CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &op, len));
 		})
 	}
 
@@ -551,12 +528,7 @@ mod tests {
 			let normal_limit = normal_weight_limit().ref_time() as usize;
 			let reset_check_weight = |tx, s, f| {
 				AllExtrinsicsLen::<Test>::put(0);
-				let r = CheckWeight::<Test>(PhantomData).validate_and_prepare(
-					Some(1).into(),
-					CALL,
-					tx,
-					s,
-				);
+				let r = CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, tx, s);
 				if f {
 					assert!(r.is_err())
 				} else {
@@ -599,12 +571,7 @@ mod tests {
 				BlockWeight::<Test>::mutate(|current_weight| {
 					current_weight.set(s, DispatchClass::Normal)
 				});
-				let r = CheckWeight::<Test>(PhantomData).validate_and_prepare(
-					Some(1).into(),
-					CALL,
-					i,
-					len,
-				);
+				let r = CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, i, len);
 				if f {
 					assert!(r.is_err())
 				} else {
@@ -637,22 +604,18 @@ mod tests {
 					.set(Weight::from_parts(256, 0) - base_extrinsic, DispatchClass::Normal);
 			});
 
-			let pre = CheckWeight::<Test>(PhantomData)
-				.validate_and_prepare(Some(1).into(), CALL, &info, len)
-				.unwrap()
-				.0;
+			let pre = CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &info, len).unwrap();
 			assert_eq!(
 				BlockWeight::<Test>::get().total(),
 				info.weight + Weight::from_parts(256, 0)
 			);
 
 			assert_ok!(CheckWeight::<Test>::post_dispatch(
-				pre,
+				Some(pre),
 				&info,
 				&post_info,
 				len,
-				&Ok(()),
-				&()
+				&Ok(())
 			));
 			assert_eq!(
 				BlockWeight::<Test>::get().total(),
@@ -676,10 +639,7 @@ mod tests {
 				current_weight.set(Weight::from_parts(128, 0), DispatchClass::Normal);
 			});
 
-			let pre = CheckWeight::<Test>(PhantomData)
-				.validate_and_prepare(Some(1).into(), CALL, &info, len)
-				.unwrap()
-				.0;
+			let pre = CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &info, len).unwrap();
 			assert_eq!(
 				BlockWeight::<Test>::get().total(),
 				info.weight +
@@ -688,12 +648,11 @@ mod tests {
 			);
 
 			assert_ok!(CheckWeight::<Test>::post_dispatch(
-				pre,
+				Some(pre),
 				&info,
 				&post_info,
 				len,
-				&Ok(()),
-				&()
+				&Ok(())
 			));
 			assert_eq!(
 				BlockWeight::<Test>::get().total(),
@@ -713,12 +672,7 @@ mod tests {
 
 			// Initial weight from `weights.base_block`
 			assert_eq!(System::block_weight().total(), weights.base_block);
-			assert_ok!(CheckWeight::<Test>(PhantomData).validate_and_prepare(
-				Some(1).into(),
-				CALL,
-				&free,
-				len
-			));
+			assert_ok!(CheckWeight::<Test>(PhantomData).pre_dispatch(&1, CALL, &free, len));
 			assert_eq!(
 				System::block_weight().total(),
 				weights.get(DispatchClass::Normal).base_extrinsic + weights.base_block
@@ -742,11 +696,9 @@ mod tests {
 
 			let len = 0_usize;
 
-			let next_len = CheckWeight::<Test>::check_block_length(&max_normal, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&max_normal, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&max_normal, len));
 			assert_eq!(System::block_weight().total(), Weight::from_parts(768, 0));
-			let next_len = CheckWeight::<Test>::check_block_length(&mandatory, len).unwrap();
-			assert_ok!(CheckWeight::<Test>::do_prepare(&mandatory, next_len));
+			assert_ok!(CheckWeight::<Test>::do_pre_dispatch(&mandatory, len));
 			assert_eq!(block_weight_limit(), Weight::from_parts(1024, u64::MAX));
 			assert_eq!(System::block_weight().total(), Weight::from_parts(1024 + 768, 0));
 			assert_eq!(CheckWeight::<Test>::check_extrinsic_weight(&mandatory), Ok(()));

substrate/frame/system/src/extensions/mod.rs

@@ -22,6 +22,3 @@ pub mod check_nonce;
 pub mod check_spec_version;
 pub mod check_tx_version;
 pub mod check_weight;
-pub mod weights;
-
-pub use weights::WeightInfo;

substrate/frame/system/src/extensions/weights.rs

@@ -1,196 +0,0 @@
-// This file is part of Substrate.
-
-// Copyright (C) Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 	http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//! Autogenerated weights for `frame_system_extensions`
-//!
-//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 32.0.0
-//! DATE: 2024-03-01, STEPS: `50`, REPEAT: `20`, LOW RANGE: `[]`, HIGH RANGE: `[]`
-//! WORST CASE MAP SIZE: `1000000`
-//! HOSTNAME: `runner-bn-ce5rx-project-674-concurrent-0`, CPU: `Intel(R) Xeon(R) CPU @ 2.60GHz`
-//! WASM-EXECUTION: `Compiled`, CHAIN: `Some("dev")`, DB CACHE: `1024`
-
-// Executed Command:
-// ./target/production/substrate-node
-// benchmark
-// pallet
-// --chain=dev
-// --steps=50
-// --repeat=20
-// --pallet=frame_system_extensions
-// --no-storage-info
-// --no-median-slopes
-// --no-min-squares
-// --extrinsic=*
-// --wasm-execution=compiled
-// --heap-pages=4096
-// --output=./substrate/frame/system/src/extensions/weights.rs
-// --header=./substrate/HEADER-APACHE2
-// --template=./substrate/.maintain/frame-weight-template.hbs
-
-#![cfg_attr(rustfmt, rustfmt_skip)]
-#![allow(unused_parens)]
-#![allow(unused_imports)]
-#![allow(missing_docs)]
-
-use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
-use core::marker::PhantomData;
-
-/// Weight functions needed for `frame_system_extensions`.
-pub trait WeightInfo {
-	fn check_genesis() -> Weight;
-	fn check_mortality() -> Weight;
-	fn check_non_zero_sender() -> Weight;
-	fn check_nonce() -> Weight;
-	fn check_spec_version() -> Weight;
-	fn check_tx_version() -> Weight;
-	fn check_weight() -> Weight;
-}
-
-/// Weights for `frame_system_extensions` using the Substrate node and recommended hardware.
-pub struct SubstrateWeight<T>(PhantomData<T>);
-impl<T: crate::Config> WeightInfo for SubstrateWeight<T> {
-	/// Storage: `System::BlockHash` (r:1 w:0)
-	/// Proof: `System::BlockHash` (`max_values`: None, `max_size`: Some(44), added: 2519, mode: `MaxEncodedLen`)
-	fn check_genesis() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `54`
-		//  Estimated: `3509`
-		// Minimum execution time: 3_876_000 picoseconds.
-		Weight::from_parts(4_160_000, 3509)
-			.saturating_add(T::DbWeight::get().reads(1_u64))
-	}
-	/// Storage: `System::BlockHash` (r:1 w:0)
-	/// Proof: `System::BlockHash` (`max_values`: None, `max_size`: Some(44), added: 2519, mode: `MaxEncodedLen`)
-	fn check_mortality() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `92`
-		//  Estimated: `3509`
-		// Minimum execution time: 6_296_000 picoseconds.
-		Weight::from_parts(6_523_000, 3509)
-			.saturating_add(T::DbWeight::get().reads(1_u64))
-	}
-	fn check_non_zero_sender() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 449_000 picoseconds.
-		Weight::from_parts(527_000, 0)
-	}
-	/// Storage: `System::Account` (r:1 w:1)
-	/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
-	fn check_nonce() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `101`
-		//  Estimated: `3593`
-		// Minimum execution time: 5_689_000 picoseconds.
-		Weight::from_parts(6_000_000, 3593)
-			.saturating_add(T::DbWeight::get().reads(1_u64))
-			.saturating_add(T::DbWeight::get().writes(1_u64))
-	}
-	fn check_spec_version() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 399_000 picoseconds.
-		Weight::from_parts(461_000, 0)
-	}
-	fn check_tx_version() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 390_000 picoseconds.
-		Weight::from_parts(439_000, 0)
-	}
-	/// Storage: `System::AllExtrinsicsLen` (r:1 w:1)
-	/// Proof: `System::AllExtrinsicsLen` (`max_values`: Some(1), `max_size`: Some(4), added: 499, mode: `MaxEncodedLen`)
-	fn check_weight() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `24`
-		//  Estimated: `1489`
-		// Minimum execution time: 4_375_000 picoseconds.
-		Weight::from_parts(4_747_000, 1489)
-			.saturating_add(T::DbWeight::get().reads(1_u64))
-			.saturating_add(T::DbWeight::get().writes(1_u64))
-	}
-}
-
-// For backwards compatibility and tests.
-impl WeightInfo for () {
-	/// Storage: `System::BlockHash` (r:1 w:0)
-	/// Proof: `System::BlockHash` (`max_values`: None, `max_size`: Some(44), added: 2519, mode: `MaxEncodedLen`)
-	fn check_genesis() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `54`
-		//  Estimated: `3509`
-		// Minimum execution time: 3_876_000 picoseconds.
-		Weight::from_parts(4_160_000, 3509)
-			.saturating_add(RocksDbWeight::get().reads(1_u64))
-	}
-	/// Storage: `System::BlockHash` (r:1 w:0)
-	/// Proof: `System::BlockHash` (`max_values`: None, `max_size`: Some(44), added: 2519, mode: `MaxEncodedLen`)
-	fn check_mortality() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `92`
-		//  Estimated: `3509`
-		// Minimum execution time: 6_296_000 picoseconds.
-		Weight::from_parts(6_523_000, 3509)
-			.saturating_add(RocksDbWeight::get().reads(1_u64))
-	}
-	fn check_non_zero_sender() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 449_000 picoseconds.
-		Weight::from_parts(527_000, 0)
-	}
-	/// Storage: `System::Account` (r:1 w:1)
-	/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
-	fn check_nonce() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `101`
-		//  Estimated: `3593`
-		// Minimum execution time: 5_689_000 picoseconds.
-		Weight::from_parts(6_000_000, 3593)
-			.saturating_add(RocksDbWeight::get().reads(1_u64))
-			.saturating_add(RocksDbWeight::get().writes(1_u64))
-	}
-	fn check_spec_version() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 399_000 picoseconds.
-		Weight::from_parts(461_000, 0)
-	}
-	fn check_tx_version() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `0`
-		// Minimum execution time: 390_000 picoseconds.
-		Weight::from_parts(439_000, 0)
-	}
-	/// Storage: `System::AllExtrinsicsLen` (r:1 w:1)
-	/// Proof: `System::AllExtrinsicsLen` (`max_values`: Some(1), `max_size`: Some(4), added: 499, mode: `MaxEncodedLen`)
-	fn check_weight() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `24`
-		//  Estimated: `1489`
-		// Minimum execution time: 4_375_000 picoseconds.
-		Weight::from_parts(4_747_000, 1489)
-			.saturating_add(RocksDbWeight::get().reads(1_u64))
-			.saturating_add(RocksDbWeight::get().writes(1_u64))
-	}
-}