Revamp some of the weights (#4759)

* Remove free transaction dos vectors.

* Bump spec version

* Indentation.

* Update frame/support/src/weights.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

substrate/frame/executive/src/lib.rs

@@ -385,7 +385,7 @@ mod tests {
 				fn some_root_operation(origin) {
 					let _ = frame_system::ensure_root(origin);
 				}
-				#[weight = SimpleDispatchInfo::FreeNormal]
+				#[weight = SimpleDispatchInfo::InsecureFreeNormal]
 				fn some_unsigned_message(origin) {
 					let _ = frame_system::ensure_none(origin);
 				}

substrate/frame/identity/src/lib.rs

@@ -842,7 +842,7 @@ decl_module! {
 		/// - `S + 2` storage mutations.
 		/// - One event.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(100_000)]
 		fn kill_identity(origin, target: <T::Lookup as StaticLookup>::Source) {
 			T::ForceOrigin::try_origin(origin)
 				.map(|_| ())

substrate/frame/nicks/src/lib.rs

@@ -194,7 +194,7 @@ decl_module! {
 		/// - One storage read/write.
 		/// - One event.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(70_000)]
 		fn kill_name(origin, target: <T::Lookup as StaticLookup>::Source) {
 			T::ForceOrigin::try_origin(origin)
 				.map(|_| ())
@@ -222,7 +222,7 @@ decl_module! {
 		/// - One storage read/write.
 		/// - One event.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(70_000)]
 		fn force_name(origin, target: <T::Lookup as StaticLookup>::Source, name: Vec<u8>) {
 			T::ForceOrigin::try_origin(origin)
 				.map(|_| ())

substrate/frame/staking/src/lib.rs

@@ -1150,7 +1150,7 @@ decl_module! {
 		}
 
 		/// The ideal number of validators.
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(5_000)]
 		fn set_validator_count(origin, #[compact] new: u32) {
 			ensure_root(origin)?;
 			ValidatorCount::put(new);
@@ -1163,7 +1163,7 @@ decl_module! {
 		/// # <weight>
 		/// - No arguments.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(5_000)]
 		fn force_no_eras(origin) {
 			ensure_root(origin)?;
 			ForceEra::put(Forcing::ForceNone);
@@ -1175,21 +1175,21 @@ decl_module! {
 		/// # <weight>
 		/// - No arguments.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(5_000)]
 		fn force_new_era(origin) {
 			ensure_root(origin)?;
 			ForceEra::put(Forcing::ForceNew);
 		}
 
 		/// Set the validators who cannot be slashed (if any).
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(5_000)]
 		fn set_invulnerables(origin, validators: Vec<T::AccountId>) {
 			ensure_root(origin)?;
 			<Invulnerables<T>>::put(validators);
 		}
 
 		/// Force a current staker to become completely unstaked, immediately.
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(10_000)]
 		fn force_unstake(origin, stash: T::AccountId) {
 			ensure_root(origin)?;
 
@@ -1204,7 +1204,7 @@ decl_module! {
 		/// # <weight>
 		/// - One storage write
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(5_000)]
 		fn force_new_era_always(origin) {
 			ensure_root(origin)?;
 			ForceEra::put(Forcing::ForceAlways);
@@ -1217,7 +1217,7 @@ decl_module! {
 		/// # <weight>
 		/// - One storage write.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(1_000_000)]
 		fn cancel_deferred_slash(origin, era: EraIndex, slash_indices: Vec<u32>) {
 			T::SlashCancelOrigin::try_origin(origin)
 				.map(|_| ())

substrate/frame/sudo/src/lib.rs

@@ -119,7 +119,7 @@ decl_module! {
 		/// - One DB write (event).
 		/// - Unknown weight of derivative `proposal` execution.
 		/// # </weight>
-		#[weight = SimpleDispatchInfo::FreeOperational]
+		#[weight = SimpleDispatchInfo::FixedNormal(50_000)]
 		fn sudo(origin, proposal: Box<T::Proposal>) {
 			// This is a public call, so we ensure that the origin is some signed account.
 			let sender = ensure_signed(origin)?;

substrate/frame/support/src/weights.rs

@@ -127,11 +127,10 @@ impl From<SimpleDispatchInfo> for DispatchClass {
 		match tx {
 			SimpleDispatchInfo::FixedOperational(_) => DispatchClass::Operational,
 			SimpleDispatchInfo::MaxOperational => DispatchClass::Operational,
-			SimpleDispatchInfo::FreeOperational => DispatchClass::Operational,
 
 			SimpleDispatchInfo::FixedNormal(_) => DispatchClass::Normal,
 			SimpleDispatchInfo::MaxNormal => DispatchClass::Normal,
-			SimpleDispatchInfo::FreeNormal => DispatchClass::Normal,
+			SimpleDispatchInfo::InsecureFreeNormal => DispatchClass::Normal,
 		}
 	}
 }
@@ -178,14 +177,12 @@ pub enum SimpleDispatchInfo {
 	FixedNormal(Weight),
 	/// A normal dispatch with the maximum weight.
 	MaxNormal,
-	/// A normal dispatch with no weight.
-	FreeNormal,
+	/// A normal dispatch with no weight. Base and bytes fees still need to be paid.
+	InsecureFreeNormal,
 	/// An operational dispatch with fixed weight.
 	FixedOperational(Weight),
 	/// An operational dispatch with the maximum weight.
 	MaxOperational,
-	/// An operational dispatch with no weight.
-	FreeOperational,
 }
 
 impl<T> WeighData<T> for SimpleDispatchInfo {
@@ -193,11 +190,10 @@ impl<T> WeighData<T> for SimpleDispatchInfo {
 		match self {
 			SimpleDispatchInfo::FixedNormal(w) => *w,
 			SimpleDispatchInfo::MaxNormal => Bounded::max_value(),
-			SimpleDispatchInfo::FreeNormal => Bounded::min_value(),
+			SimpleDispatchInfo::InsecureFreeNormal => Bounded::min_value(),
 
 			SimpleDispatchInfo::FixedOperational(w) => *w,
 			SimpleDispatchInfo::MaxOperational => Bounded::max_value(),
-			SimpleDispatchInfo::FreeOperational => Bounded::min_value(),
 		}
 	}
 }
@@ -213,11 +209,10 @@ impl<T> PaysFee<T> for SimpleDispatchInfo {
 		match self {
 			SimpleDispatchInfo::FixedNormal(_) => true,
 			SimpleDispatchInfo::MaxNormal => true,
-			SimpleDispatchInfo::FreeNormal => true,
+			SimpleDispatchInfo::InsecureFreeNormal => true,
 
 			SimpleDispatchInfo::FixedOperational(_) => true,
 			SimpleDispatchInfo::MaxOperational => true,
-			SimpleDispatchInfo::FreeOperational => false,
 		}
 	}
 }

substrate/frame/transaction-payment/src/lib.rs

@@ -477,7 +477,7 @@ mod tests {
 
 			let len = 100;
 
-			// like a FreeOperational
+			// This is a completely free (and thus wholly insecure/DoS-ridden) transaction.
 			let operational_transaction = DispatchInfo {
 				weight: 0,
 				class: DispatchClass::Operational,
@@ -489,7 +489,7 @@ mod tests {
 					.is_ok()
 			);
 
-			// like a FreeNormal
+			// like a InsecureFreeNormal
 			let free_transaction = DispatchInfo {
 				weight: 0,
 				class: DispatchClass::Normal,