Ensure /eth/v2/beacon/pool/attestations honors committee_index (#7298)

#7294


  Fix the filtering logic so that we actually filter by committee index for both `Base` and `Electra` attestations.

Added a tiny optimization when calculating committee_index to prevent unneeded memory allocations

Added a regression test

beacon_node/http_api/src/lib.rs

@@ -68,6 +68,7 @@ use slog::{crit, debug, error, info, warn, Logger};
 use slot_clock::SlotClock;
 use ssz::Encode;
 pub use state_id::StateId;
+use std::collections::HashSet;
 use std::future::Future;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 use std::path::PathBuf;
@@ -85,13 +86,14 @@ use tokio_stream::{
     wrappers::{errors::BroadcastStreamRecvError, BroadcastStream},
     StreamExt,
 };
+use types::AttestationData;
 use types::{
-    fork_versioned_response::EmptyMetadata, Attestation, AttestationData, AttestationShufflingId,
-    AttesterSlashing, BeaconStateError, ChainSpec, Checkpoint, CommitteeCache, ConfigAndPreset,
-    Epoch, EthSpec, ForkName, ForkVersionedResponse, Hash256, ProposerPreparationData,
-    ProposerSlashing, RelativeEpoch, SignedAggregateAndProof, SignedBlindedBeaconBlock,
-    SignedBlsToExecutionChange, SignedContributionAndProof, SignedValidatorRegistrationData,
-    SignedVoluntaryExit, Slot, SyncCommitteeMessage, SyncContributionData,
+    fork_versioned_response::EmptyMetadata, Attestation, AttestationShufflingId, AttesterSlashing,
+    BeaconStateError, ChainSpec, Checkpoint, CommitteeCache, ConfigAndPreset, Epoch, EthSpec,
+    ForkName, ForkVersionedResponse, Hash256, ProposerPreparationData, ProposerSlashing,
+    RelativeEpoch, SignedAggregateAndProof, SignedBlindedBeaconBlock, SignedBlsToExecutionChange,
+    SignedContributionAndProof, SignedValidatorRegistrationData, SignedVoluntaryExit, Slot,
+    SyncCommitteeMessage, SyncContributionData,
 };
 use validator::pubkey_to_validator_index;
 use version::{
@@ -2032,11 +2034,11 @@ pub fn serve<T: BeaconChainTypes>(
              chain: Arc<BeaconChain<T>>,
              query: api_types::AttestationPoolQuery| {
                 task_spawner.blocking_response_task(Priority::P1, move || {
-                    let query_filter = |data: &AttestationData| {
+                    let query_filter = |data: &AttestationData, committee_indices: HashSet<u64>| {
                         query.slot.is_none_or(|slot| slot == data.slot)
                             && query
                                 .committee_index
-                                .is_none_or(|index| index == data.index)
+                                .is_none_or(|index| committee_indices.contains(&index))
                     };
 
                     let mut attestations = chain.op_pool.get_filtered_attestations(query_filter);
@@ -2045,7 +2047,9 @@ pub fn serve<T: BeaconChainTypes>(
                             .naive_aggregation_pool
                             .read()
                             .iter()
-                            .filter(|&att| query_filter(att.data()))
+                            .filter(|&att| {
+                                query_filter(att.data(), att.get_committee_indices_map())
+                            })
                             .cloned(),
                     );
                     // Use the current slot to find the fork version, and convert all messages to the

beacon_node/http_api/tests/tests.rs

@@ -28,6 +28,7 @@ use http_api::{
 use lighthouse_network::{types::SyncState, Enr, EnrExt, PeerId};
 use logging::test_logger;
 use network::NetworkReceivers;
+use operation_pool::attestation_storage::CheckpointKey;
 use proto_array::ExecutionStatus;
 use sensitive_url::SensitiveUrl;
 use slot_clock::SlotClock;
@@ -2119,7 +2120,7 @@ impl ApiTester {
         self
     }
 
-    pub async fn test_get_beacon_pool_attestations(self) -> Self {
+    pub async fn test_get_beacon_pool_attestations(self) {
         let result = self
             .client
             .get_beacon_pool_attestations_v1(None, None)
@@ -2138,9 +2139,80 @@ impl ApiTester {
             .await
             .unwrap()
             .data;
+
         assert_eq!(result, expected);
 
-        self
+        let result_committee_index_filtered = self
+            .client
+            .get_beacon_pool_attestations_v1(None, Some(0))
+            .await
+            .unwrap()
+            .data;
+
+        let expected_committee_index_filtered = expected
+            .clone()
+            .into_iter()
+            .filter(|att| att.get_committee_indices_map().contains(&0))
+            .collect::<Vec<_>>();
+
+        assert_eq!(
+            result_committee_index_filtered,
+            expected_committee_index_filtered
+        );
+
+        let result_committee_index_filtered = self
+            .client
+            .get_beacon_pool_attestations_v1(None, Some(1))
+            .await
+            .unwrap()
+            .data;
+
+        let expected_committee_index_filtered = expected
+            .clone()
+            .into_iter()
+            .filter(|att| att.get_committee_indices_map().contains(&1))
+            .collect::<Vec<_>>();
+
+        assert_eq!(
+            result_committee_index_filtered,
+            expected_committee_index_filtered
+        );
+
+        let fork_name = self
+            .harness
+            .chain
+            .spec
+            .fork_name_at_slot::<E>(self.harness.chain.slot().unwrap());
+
+        // aggregate electra attestations
+        if fork_name.electra_enabled() {
+            // Take and drop the lock in a block to avoid clippy complaining
+            // about taking locks across await points
+            {
+                let mut all_attestations = self.chain.op_pool.attestations.write();
+                let (prev_epoch_key, curr_epoch_key) =
+                    CheckpointKey::keys_for_state(&self.harness.get_current_state());
+                all_attestations.aggregate_across_committees(prev_epoch_key);
+                all_attestations.aggregate_across_committees(curr_epoch_key);
+            }
+            let result_committee_index_filtered = self
+                .client
+                .get_beacon_pool_attestations_v2(None, Some(0))
+                .await
+                .unwrap()
+                .data;
+            let mut expected = self.chain.op_pool.get_all_attestations();
+            expected.extend(self.chain.naive_aggregation_pool.read().iter().cloned());
+            let expected_committee_index_filtered = expected
+                .clone()
+                .into_iter()
+                .filter(|att| att.get_committee_indices_map().contains(&0))
+                .collect::<Vec<_>>();
+            assert_eq!(
+                result_committee_index_filtered,
+                expected_committee_index_filtered
+            );
+        }
     }
 
     pub async fn test_post_beacon_pool_attester_slashings_valid_v1(mut self) -> Self {
@@ -6463,10 +6535,30 @@ async fn beacon_get_blocks() {
 }
 
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn beacon_get_pools() {
+async fn test_beacon_pool_attestations_electra() {
+    let mut config = ApiTesterConfig::default();
+    config.spec.altair_fork_epoch = Some(Epoch::new(0));
+    config.spec.bellatrix_fork_epoch = Some(Epoch::new(0));
+    config.spec.capella_fork_epoch = Some(Epoch::new(0));
+    config.spec.deneb_fork_epoch = Some(Epoch::new(0));
+    config.spec.electra_fork_epoch = Some(Epoch::new(0));
+    ApiTester::new_from_config(config)
+        .await
+        .test_get_beacon_pool_attestations()
+        .await;
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_beacon_pool_attestations_base() {
     ApiTester::new()
         .await
         .test_get_beacon_pool_attestations()
+        .await;
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn beacon_get_pools() {
+    ApiTester::new()
         .await
         .test_get_beacon_pool_attester_slashings()
         .await

beacon_node/operation_pool/src/attestation_storage.rs

@@ -1,6 +1,6 @@
 use crate::AttestationStats;
 use itertools::Itertools;
-use std::collections::{BTreeMap, HashMap};
+use std::collections::{BTreeMap, HashMap, HashSet};
 use types::{
     attestation::{AttestationBase, AttestationElectra},
     superstruct, AggregateSignature, Attestation, AttestationData, BeaconState, BitList, BitVector,
@@ -119,6 +119,18 @@ impl<E: EthSpec> CompactAttestationRef<'_, E> {
         }
     }
 
+    pub fn get_committee_indices_map(&self) -> HashSet<u64> {
+        match self.indexed {
+            CompactIndexedAttestation::Base(_) => HashSet::from([self.data.index]),
+            CompactIndexedAttestation::Electra(indexed_att) => indexed_att
+                .committee_bits
+                .iter()
+                .enumerate()
+                .filter_map(|(index, bit)| if bit { Some(index as u64) } else { None })
+                .collect(),
+        }
+    }
+
     pub fn clone_as_attestation(&self) -> Attestation<E> {
         match self.indexed {
             CompactIndexedAttestation::Base(indexed_att) => Attestation::Base(AttestationBase {
@@ -268,7 +280,11 @@ impl<E: EthSpec> CompactIndexedAttestationElectra<E> {
     }
 
     pub fn committee_index(&self) -> Option<u64> {
-        self.get_committee_indices().first().copied()
+        self.committee_bits
+            .iter()
+            .enumerate()
+            .find(|&(_, bit)| bit)
+            .map(|(index, _)| index as u64)
     }
 
     pub fn get_committee_indices(&self) -> Vec<u64> {

beacon_node/operation_pool/src/lib.rs

@@ -1,5 +1,5 @@
 mod attestation;
-mod attestation_storage;
+pub mod attestation_storage;
 mod attester_slashing;
 mod bls_to_execution_changes;
 mod max_cover;
@@ -47,7 +47,7 @@ type SyncContributions<E> = RwLock<HashMap<SyncAggregateId, Vec<SyncCommitteeCon
 #[derive(Default, Debug)]
 pub struct OperationPool<E: EthSpec + Default> {
     /// Map from attestation ID (see below) to vectors of attestations.
-    attestations: RwLock<AttestationMap<E>>,
+    pub attestations: RwLock<AttestationMap<E>>,
     /// Map from sync aggregate ID to the best `SyncCommitteeContribution`s seen for that ID.
     sync_contributions: SyncContributions<E>,
     /// Set of attester slashings, and the fork version they were verified against.
@@ -673,12 +673,12 @@ impl<E: EthSpec> OperationPool<E> {
     /// This method may return objects that are invalid for block inclusion.
     pub fn get_filtered_attestations<F>(&self, filter: F) -> Vec<Attestation<E>>
     where
-        F: Fn(&AttestationData) -> bool,
+        F: Fn(&AttestationData, HashSet<u64>) -> bool,
     {
         self.attestations
             .read()
             .iter()
-            .filter(|att| filter(&att.attestation_data()))
+            .filter(|att| filter(&att.attestation_data(), att.get_committee_indices_map()))
             .map(|att| att.clone_as_attestation())
             .collect()
     }

consensus/types/src/attestation.rs

@@ -5,6 +5,7 @@ use derivative::Derivative;
 use serde::{Deserialize, Serialize};
 use ssz_derive::{Decode, Encode};
 use ssz_types::BitVector;
+use std::collections::HashSet;
 use std::hash::{Hash, Hasher};
 use superstruct::superstruct;
 use test_random_derive::TestRandom;
@@ -209,6 +210,13 @@ impl<E: EthSpec> Attestation<E> {
         }
     }
 
+    pub fn get_committee_indices_map(&self) -> HashSet<u64> {
+        match self {
+            Attestation::Base(att) => HashSet::from([att.data.index]),
+            Attestation::Electra(att) => att.get_committee_indices().into_iter().collect(),
+        }
+    }
+
     pub fn is_aggregation_bits_zero(&self) -> bool {
         match self {
             Attestation::Base(att) => att.aggregation_bits.is_zero(),
@@ -292,7 +300,11 @@ impl<E: EthSpec> AttestationRef<'_, E> {
 
 impl<E: EthSpec> AttestationElectra<E> {
     pub fn committee_index(&self) -> Option<u64> {
-        self.get_committee_indices().first().cloned()
+        self.committee_bits
+            .iter()
+            .enumerate()
+            .find(|&(_, bit)| bit)
+            .map(|(index, _)| index as u64)
     }
 
     pub fn get_aggregation_bits(&self) -> Vec<u64> {