Migrate Unsigned pallet-subspace submit_vote to General extrinsic

crates/pallet-subspace/src/extensions.rs

@@ -0,0 +1,181 @@
+//! Extensions for unsigned general extrinsics
+
+#[cfg(feature = "runtime-benchmarks")]
+pub mod benchmarking;
+pub mod weights;
+
+use crate::extensions::weights::WeightInfo;
+use crate::pallet::Call as SubspaceCall;
+use crate::{Config, Pallet as Subspace};
+use codec::{Decode, Encode};
+use frame_support::pallet_prelude::{PhantomData, TypeInfo, Weight};
+use frame_support::RuntimeDebugNoBound;
+use frame_system::pallet_prelude::{BlockNumberFor, RuntimeCallFor};
+use scale_info::prelude::fmt;
+use sp_consensus_subspace::SignedVote;
+use sp_runtime::traits::{
+    AsSystemOriginSigner, DispatchInfoOf, DispatchOriginOf, Dispatchable, Implication,
+    PostDispatchInfoOf, TransactionExtension, ValidateResult,
+};
+use sp_runtime::transaction_validity::{
+    InvalidTransaction, TransactionSource, TransactionValidityError, ValidTransaction,
+};
+use sp_runtime::DispatchResult;
+
+/// Trait to convert Runtime call to possible Subspace call.
+pub trait MaybeSubspaceCall<Runtime>
+where
+    Runtime: Config,
+{
+    fn maybe_subspace_call(&self) -> Option<&SubspaceCall<Runtime>>;
+}
+
+/// Weight info used by this extension
+#[derive(RuntimeDebugNoBound)]
+pub enum ExtensionWeightData {
+    /// Represents the validated call's used weight
+    Validated(Weight),
+    /// Skipped validation
+    Skipped,
+}
+
+/// Extensions for pallet-subspace unsigned extrinsics.
+#[derive(Encode, Decode, Clone, Eq, PartialEq, TypeInfo)]
+pub struct SubspaceExtension<Runtime>(PhantomData<Runtime>);
+
+impl<Runtime> SubspaceExtension<Runtime> {
+    pub fn new() -> Self {
+        Self(PhantomData)
+    }
+}
+
+impl<Runtime> Default for SubspaceExtension<Runtime> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl<T: Config> fmt::Debug for SubspaceExtension<T> {
+    #[cfg(feature = "std")]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "SubspaceExtension",)
+    }
+
+    #[cfg(not(feature = "std"))]
+    fn fmt(&self, _: &mut fmt::Formatter<'_>) -> fmt::Result {
+        Ok(())
+    }
+}
+
+impl<Runtime> SubspaceExtension<Runtime>
+where
+    Runtime: Config + scale_info::TypeInfo + fmt::Debug + Send + Sync,
+{
+    fn do_check_vote(
+        signed_vote: &SignedVote<BlockNumberFor<Runtime>, Runtime::Hash, Runtime::AccountId>,
+        source: TransactionSource,
+    ) -> Result<(ValidTransaction, Weight), TransactionValidityError> {
+        let pre_dispatch = source == TransactionSource::InBlock;
+        if pre_dispatch {
+            Subspace::<Runtime>::pre_dispatch_vote(signed_vote)
+                .map(|weight| (ValidTransaction::default(), weight))
+        } else {
+            Subspace::<Runtime>::validate_vote(signed_vote)
+        }
+    }
+
+    fn max_weight() -> Weight {
+        <Runtime as Config>::ExtensionWeightInfo::vote()
+            .max(<Runtime as Config>::ExtensionWeightInfo::vote_with_equivocation())
+    }
+}
+
+impl<Runtime> TransactionExtension<RuntimeCallFor<Runtime>> for SubspaceExtension<Runtime>
+where
+    Runtime: Config + scale_info::TypeInfo + fmt::Debug + Send + Sync,
+    <RuntimeCallFor<Runtime> as Dispatchable>::RuntimeOrigin:
+        AsSystemOriginSigner<<Runtime as frame_system::Config>::AccountId> + Clone,
+    RuntimeCallFor<Runtime>: MaybeSubspaceCall<Runtime>,
+{
+    const IDENTIFIER: &'static str = "SubspaceExtension";
+    type Implicit = ();
+    type Val = ExtensionWeightData;
+    type Pre = ExtensionWeightData;
+
+    fn weight(&self, call: &RuntimeCallFor<Runtime>) -> Weight {
+        match call.maybe_subspace_call() {
+            Some(SubspaceCall::vote { .. }) => Self::max_weight(),
+            _ => Weight::zero(),
+        }
+    }
+
+    fn validate(
+        &self,
+        origin: DispatchOriginOf<RuntimeCallFor<Runtime>>,
+        call: &RuntimeCallFor<Runtime>,
+        _info: &DispatchInfoOf<RuntimeCallFor<Runtime>>,
+        _len: usize,
+        _self_implicit: Self::Implicit,
+        _inherited_implication: &impl Implication,
+        source: TransactionSource,
+    ) -> ValidateResult<Self::Val, RuntimeCallFor<Runtime>> {
+        // we only care about unsigned calls
+        if origin.as_system_origin_signer().is_some() {
+            return Ok((
+                ValidTransaction::default(),
+                ExtensionWeightData::Skipped,
+                origin,
+            ));
+        };
+
+        let subspace_call = match call.maybe_subspace_call() {
+            Some(subspace_call) => subspace_call,
+            None => {
+                return Ok((
+                    ValidTransaction::default(),
+                    ExtensionWeightData::Skipped,
+                    origin,
+                ))
+            }
+        };
+
+        let (validity, weight_used) = match subspace_call {
+            SubspaceCall::vote { signed_vote } => Self::do_check_vote(signed_vote, source)?,
+            _ => return Err(InvalidTransaction::Call.into()),
+        };
+
+        Ok((
+            validity,
+            ExtensionWeightData::Validated(weight_used),
+            origin,
+        ))
+    }
+
+    fn prepare(
+        self,
+        val: Self::Val,
+        _origin: &DispatchOriginOf<RuntimeCallFor<Runtime>>,
+        _call: &RuntimeCallFor<Runtime>,
+        _info: &DispatchInfoOf<RuntimeCallFor<Runtime>>,
+        _len: usize,
+    ) -> Result<Self::Pre, TransactionValidityError> {
+        Ok(val)
+    }
+
+    fn post_dispatch_details(
+        pre: Self::Pre,
+        _info: &DispatchInfoOf<RuntimeCallFor<Runtime>>,
+        _post_info: &PostDispatchInfoOf<RuntimeCallFor<Runtime>>,
+        _len: usize,
+        _result: &DispatchResult,
+    ) -> Result<Weight, TransactionValidityError> {
+        match pre {
+            // return the unused weight for a validated call.
+            ExtensionWeightData::Validated(used_weight) => {
+                Ok(Self::max_weight().saturating_sub(used_weight))
+            }
+            // return no weight since this call is not validated and took no weight.
+            ExtensionWeightData::Skipped => Ok(Weight::zero()),
+        }
+    }
+}

crates/pallet-subspace/src/extensions/benchmarking.rs

@@ -0,0 +1,147 @@
+//! Benchmarks for Subspace extension
+
+use crate::extensions::SubspaceExtension;
+use crate::pallet::{
+    BlockSlots, CurrentBlockAuthorInfo, CurrentBlockVoters, ParentVoteVerificationData,
+    SegmentCommitment as SubspaceSegmentCommitment, SolutionRanges,
+};
+use crate::{Config, Pallet as Subspace, VoteVerificationData};
+use codec::{Decode, Encode};
+use frame_benchmarking::v2::*;
+use frame_support::dispatch::{DispatchInfo, PostDispatchInfo};
+use frame_system::pallet_prelude::RuntimeCallFor;
+use scale_info::prelude::fmt;
+use sp_consensus_slots::Slot;
+use sp_consensus_subspace::SignedVote;
+use sp_runtime::traits::{AsSystemOriginSigner, Dispatchable, NumberFor};
+use sp_runtime::transaction_validity::TransactionSource;
+use sp_std::collections::btree_map::BTreeMap;
+use subspace_core_primitives::pieces::PieceOffset;
+use subspace_core_primitives::sectors::SectorIndex;
+use subspace_core_primitives::segments::{SegmentCommitment, SegmentIndex};
+use subspace_core_primitives::solutions::RewardSignature;
+use subspace_core_primitives::{PublicKey, ScalarBytes};
+
+/// Hard-coded data used to benchmark check_vote
+#[derive(Encode, Decode)]
+struct VoteData<T: frame_system::Config> {
+    pub segment_index: SegmentIndex,
+    pub segment_commitment: SegmentCommitment,
+    pub signed_vote: SignedVote<NumberFor<T::Block>, T::Hash, T::AccountId>,
+    pub public_key: PublicKey,
+    pub parent_block_data: (NumberFor<T::Block>, T::Hash),
+    pub current_block_number: NumberFor<T::Block>,
+    pub vote_verification_data: VoteVerificationData,
+    pub current_slot: Slot,
+    pub reward_address: T::AccountId,
+}
+
+pub struct Pallet<T: Config>(Subspace<T>);
+
+#[allow(clippy::multiple_bound_locations)]
+#[benchmarks(where
+	T: Send + Sync + scale_info::TypeInfo + fmt::Debug,
+    RuntimeCallFor<T>: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,
+	<RuntimeCallFor<T> as Dispatchable>::RuntimeOrigin: AsSystemOriginSigner<<T as frame_system::Config>::AccountId> + Clone)
+]
+mod benchmarks {
+    use super::*;
+
+    #[benchmark]
+    fn vote() {
+        let VoteData {
+            segment_index,
+            segment_commitment,
+            signed_vote,
+            public_key: _,
+            parent_block_data,
+            current_block_number,
+            vote_verification_data,
+            current_slot,
+            reward_address: _,
+        } = VoteData::<T>::decode(&mut include_bytes!("./fixtures/vote.data").as_slice()).unwrap();
+
+        SubspaceSegmentCommitment::<T>::insert(segment_index, segment_commitment);
+
+        // Reset so that any solution works for votes
+        SolutionRanges::<T>::mutate(|solution_ranges| {
+            solution_ranges.current = u64::MIN;
+            solution_ranges.voting_current = u64::MAX;
+        });
+
+        frame_system::Pallet::<T>::set_block_number(current_block_number);
+        frame_system::pallet::BlockHash::<T>::insert(parent_block_data.0, parent_block_data.1);
+        ParentVoteVerificationData::<T>::put(vote_verification_data);
+        BlockSlots::<T>::mutate(|block_slots| {
+            block_slots
+                .try_insert(current_block_number, current_slot)
+                .expect("one entry just removed before inserting; qed");
+        });
+        CurrentBlockVoters::<T>::put(BTreeMap::<
+            (PublicKey, SectorIndex, PieceOffset, ScalarBytes, Slot),
+            (Option<T::AccountId>, RewardSignature),
+        >::default());
+
+        #[block]
+        {
+            SubspaceExtension::<T>::do_check_vote(&signed_vote, TransactionSource::InBlock)
+                .unwrap();
+        }
+    }
+
+    #[benchmark]
+    fn vote_with_equivocation() {
+        let VoteData {
+            segment_index,
+            segment_commitment,
+            signed_vote,
+            public_key,
+            parent_block_data,
+            current_block_number,
+            vote_verification_data,
+            current_slot,
+            reward_address,
+        } = VoteData::<T>::decode(&mut include_bytes!("./fixtures/vote.data").as_slice()).unwrap();
+
+        SubspaceSegmentCommitment::<T>::insert(segment_index, segment_commitment);
+
+        // Reset so that any solution works for votes
+        SolutionRanges::<T>::mutate(|solution_ranges| {
+            solution_ranges.current = u64::MIN;
+            solution_ranges.voting_current = u64::MAX;
+        });
+
+        frame_system::Pallet::<T>::set_block_number(current_block_number);
+        frame_system::pallet::BlockHash::<T>::insert(parent_block_data.0, parent_block_data.1);
+        ParentVoteVerificationData::<T>::put(vote_verification_data);
+        BlockSlots::<T>::mutate(|block_slots| {
+            block_slots
+                .try_insert(current_block_number, current_slot)
+                .expect("one entry just removed before inserting; qed");
+        });
+        CurrentBlockVoters::<T>::put(BTreeMap::<
+            (PublicKey, SectorIndex, PieceOffset, ScalarBytes, Slot),
+            (Option<T::AccountId>, RewardSignature),
+        >::default());
+
+        CurrentBlockAuthorInfo::<T>::put((
+            public_key,
+            signed_vote.vote.solution().sector_index,
+            signed_vote.vote.solution().piece_offset,
+            signed_vote.vote.solution().chunk,
+            *signed_vote.vote.slot(),
+            Some(reward_address),
+        ));
+        #[block]
+        {
+            SubspaceExtension::<T>::do_check_vote(&signed_vote, TransactionSource::InBlock)
+                .unwrap();
+        }
+    }
+
+    impl_benchmark_test_suite!(
+        Pallet,
+        crate::mock::new_test_ext(crate::mock::allow_all_pot_extension()),
+        crate::mock::Test
+    );
+}