Merge pull request #4658 from realbigsean/merge-unstable-deneb-aug-24

Merge unstable deneb aug 24

Makefile

@@ -71,13 +71,13 @@ install-lcli:
 # optimized CPU functions that may not be available on some systems. This
 # results in a more portable binary with ~20% slower BLS verification.
 build-x86_64:
-	cross build --bin lighthouse --target x86_64-unknown-linux-gnu --features "modern,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)"
+	cross build --bin lighthouse --target x86_64-unknown-linux-gnu --features "modern,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)" --locked
 build-x86_64-portable:
-	cross build --bin lighthouse --target x86_64-unknown-linux-gnu --features "portable,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)"
+	cross build --bin lighthouse --target x86_64-unknown-linux-gnu --features "portable,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)" --locked
 build-aarch64:
-	cross build --bin lighthouse --target aarch64-unknown-linux-gnu --features "$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)"
+	cross build --bin lighthouse --target aarch64-unknown-linux-gnu --features "$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)" --locked
 build-aarch64-portable:
-	cross build --bin lighthouse --target aarch64-unknown-linux-gnu --features "portable,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)"
+	cross build --bin lighthouse --target aarch64-unknown-linux-gnu --features "portable,$(CROSS_FEATURES)" --profile "$(CROSS_PROFILE)" --locked
 
 # Create a `.tar.gz` containing a binary for a specific target.
 define tarball_release_binary
@@ -214,8 +214,9 @@ arbitrary-fuzz:
 
 # Runs cargo audit (Audit Cargo.lock files for crates with security vulnerabilities reported to the RustSec Advisory Database)
 audit:
-	cargo install --force cargo-audit
-	cargo audit --ignore RUSTSEC-2020-0071 --ignore RUSTSEC-2022-0093
+	# cargo install --force cargo-audit
+	cargo audit --ignore RUSTSEC-2020-0071 --ignore RUSTSEC-2022-0093 \
+		--ignore RUSTSEC-2023-0052 --ignore RUSTSEC-2023-0053
 
 # Runs `cargo vendor` to make sure dependencies can be vendored for packaging, reproducibility and archival purpose.
 vendor:

beacon_node/beacon_chain/src/blob_verification.rs

@@ -241,7 +241,8 @@ pub fn validate_blob_sidecar_for_gossip<T: BeaconChainTypes>(
     let Some(parent_block) = chain
         .canonical_head
         .fork_choice_read_lock()
-        .get_block(&block_parent_root) else {
+        .get_block(&block_parent_root)
+    else {
         return Err(GossipBlobError::BlobParentUnknown(
             signed_blob_sidecar.message,
         ));

beacon_node/beacon_chain/src/data_availability_checker.rs

@@ -349,11 +349,8 @@ pub fn consistency_checks<T: EthSpec>(
     block: &SignedBeaconBlock<T>,
     blobs: &[Arc<BlobSidecar<T>>],
 ) -> Result<(), AvailabilityCheckError> {
-    let Ok(block_kzg_commitments) = block
-        .message()
-        .body()
-        .blob_kzg_commitments() else {
-        return Ok(())
+    let Ok(block_kzg_commitments) = block.message().body().blob_kzg_commitments() else {
+        return Ok(());
     };
 
     if blobs.len() != block_kzg_commitments.len() {

beacon_node/beacon_chain/src/data_availability_checker/overflow_lru_cache.rs

@@ -586,8 +586,9 @@ impl<T: BeaconChainTypes> OverflowLRUCache<T> {
             let Some(verified_blobs) = Vec::from(pending_components.verified_blobs)
                 .into_iter()
                 .take(num_blobs_expected)
-                .collect::<Option<Vec<_>>>() else {
-                 return Ok(Availability::MissingComponents(import_data.block_root))
+                .collect::<Option<Vec<_>>>()
+            else {
+                return Ok(Availability::MissingComponents(import_data.block_root));
             };
 
             let available_block = make_available(block, verified_blobs)?;

beacon_node/beacon_chain/src/observed_attesters.rs

@@ -841,7 +841,7 @@ mod tests {
                     let mut store = $type::default();
                     let max_cap = store.max_capacity();
 
-                    let to_skip = vec![1_u64, 3, 4, 5];
+                    let to_skip = [1_u64, 3, 4, 5];
                     let periods = (0..max_cap * 3)
                         .into_iter()
                         .filter(|i| !to_skip.contains(i))
@@ -1012,7 +1012,7 @@ mod tests {
                     let mut store = $type::default();
                     let max_cap = store.max_capacity();
 
-                    let to_skip = vec![1_u64, 3, 4, 5];
+                    let to_skip = [1_u64, 3, 4, 5];
                     let periods = (0..max_cap * 3)
                         .into_iter()
                         .filter(|i| !to_skip.contains(i))
@@ -1121,7 +1121,7 @@ mod tests {
                     let mut store = $type::default();
                     let max_cap = store.max_capacity();
 
-                    let to_skip = vec![1_u64, 3, 4, 5];
+                    let to_skip = [1_u64, 3, 4, 5];
                     let periods = (0..max_cap * 3)
                         .into_iter()
                         .filter(|i| !to_skip.contains(i))

beacon_node/beacon_chain/tests/attestation_production.rs

@@ -136,7 +136,9 @@ async fn produces_attestations() {
             let rpc_block =
                 RpcBlock::<MainnetEthSpec>::new(Arc::new(block.clone()), Some(blobs.clone()))
                     .unwrap();
-            let beacon_chain::data_availability_checker::MaybeAvailableBlock::Available(available_block) = chain
+            let beacon_chain::data_availability_checker::MaybeAvailableBlock::Available(
+                available_block,
+            ) = chain
                 .data_availability_checker
                 .check_rpc_block_availability(rpc_block)
                 .unwrap()
@@ -212,7 +214,9 @@ async fn early_attester_cache_old_request() {
 
     let rpc_block =
         RpcBlock::<MainnetEthSpec>::new(head.beacon_block.clone(), Some(head_blobs)).unwrap();
-    let beacon_chain::data_availability_checker::MaybeAvailableBlock::Available(available_block) = harness.chain
+    let beacon_chain::data_availability_checker::MaybeAvailableBlock::Available(available_block) =
+        harness
+            .chain
             .data_availability_checker
             .check_rpc_block_availability(rpc_block)
             .unwrap()

beacon_node/genesis/src/common.rs

@@ -39,7 +39,7 @@ pub fn genesis_deposits(
 
     Ok(deposit_data
         .into_iter()
-        .zip(proofs.into_iter())
+        .zip(proofs)
         .map(|(data, proof)| (data, proof.into()))
         .map(|(data, proof)| Deposit { proof, data })
         .collect())

beacon_node/http_api/src/builder_states.rs

@@ -0,0 +1,72 @@
+use crate::StateId;
+use beacon_chain::{BeaconChain, BeaconChainTypes};
+use safe_arith::SafeArith;
+use state_processing::per_block_processing::get_expected_withdrawals;
+use state_processing::state_advance::partial_state_advance;
+use std::sync::Arc;
+use types::{BeaconState, EthSpec, ForkName, Slot, Withdrawals};
+
+const MAX_EPOCH_LOOKAHEAD: u64 = 2;
+
+/// Get the withdrawals computed from the specified state, that will be included in the block
+/// that gets built on the specified state.
+pub fn get_next_withdrawals<T: BeaconChainTypes>(
+    chain: &Arc<BeaconChain<T>>,
+    mut state: BeaconState<T::EthSpec>,
+    state_id: StateId,
+    proposal_slot: Slot,
+) -> Result<Withdrawals<T::EthSpec>, warp::Rejection> {
+    get_next_withdrawals_sanity_checks(chain, &state, proposal_slot)?;
+
+    // advance the state to the epoch of the proposal slot.
+    let proposal_epoch = proposal_slot.epoch(T::EthSpec::slots_per_epoch());
+    let (state_root, _, _) = state_id.root(chain)?;
+    if proposal_epoch != state.current_epoch() {
+        if let Err(e) =
+            partial_state_advance(&mut state, Some(state_root), proposal_slot, &chain.spec)
+        {
+            return Err(warp_utils::reject::custom_server_error(format!(
+                "failed to advance to the epoch of the proposal slot: {:?}",
+                e
+            )));
+        }
+    }
+
+    match get_expected_withdrawals(&state, &chain.spec) {
+        Ok(withdrawals) => Ok(withdrawals),
+        Err(e) => Err(warp_utils::reject::custom_server_error(format!(
+            "failed to get expected withdrawal: {:?}",
+            e
+        ))),
+    }
+}
+
+fn get_next_withdrawals_sanity_checks<T: BeaconChainTypes>(
+    chain: &BeaconChain<T>,
+    state: &BeaconState<T::EthSpec>,
+    proposal_slot: Slot,
+) -> Result<(), warp::Rejection> {
+    if proposal_slot <= state.slot() {
+        return Err(warp_utils::reject::custom_bad_request(
+            "proposal slot must be greater than the pre-state slot".to_string(),
+        ));
+    }
+
+    let fork = chain.spec.fork_name_at_slot::<T::EthSpec>(proposal_slot);
+    if let ForkName::Base | ForkName::Altair | ForkName::Merge = fork {
+        return Err(warp_utils::reject::custom_bad_request(
+            "the specified state is a pre-capella state.".to_string(),
+        ));
+    }
+
+    let look_ahead_limit = MAX_EPOCH_LOOKAHEAD
+        .safe_mul(T::EthSpec::slots_per_epoch())
+        .map_err(warp_utils::reject::arith_error)?;
+    if proposal_slot >= state.slot() + look_ahead_limit {
+        return Err(warp_utils::reject::custom_bad_request(format!(
+            "proposal slot is greater than or equal to the look ahead limit: {look_ahead_limit}"
+        )));
+    }
+
+    Ok(())
+}

beacon_node/http_api/src/lib.rs

@@ -11,6 +11,7 @@ mod block_id;
 mod block_packing_efficiency;
 mod block_rewards;
 mod build_block_contents;
+mod builder_states;
 mod database;
 mod metrics;
 mod proposer_duties;
@@ -33,6 +34,7 @@ use beacon_chain::{
 };
 use beacon_processor::BeaconProcessorSend;
 pub use block_id::BlockId;
+use builder_states::get_next_withdrawals;
 use bytes::Bytes;
 use directory::DEFAULT_ROOT_DIR;
 use eth2::types::{
@@ -2332,6 +2334,60 @@ pub fn serve<T: BeaconChainTypes>(
             },
         );
 
+    /*
+     * builder/states
+     */
+
+    let builder_states_path = eth_v1
+        .and(warp::path("builder"))
+        .and(warp::path("states"))
+        .and(chain_filter.clone());
+
+    // GET builder/states/{state_id}/expected_withdrawals
+    let get_expected_withdrawals = builder_states_path
+        .clone()
+        .and(task_spawner_filter.clone())
+        .and(warp::path::param::<StateId>())
+        .and(warp::path("expected_withdrawals"))
+        .and(warp::query::<api_types::ExpectedWithdrawalsQuery>())
+        .and(warp::path::end())
+        .and(warp::header::optional::<api_types::Accept>("accept"))
+        .then(
+            |chain: Arc<BeaconChain<T>>,
+             task_spawner: TaskSpawner<T::EthSpec>,
+             state_id: StateId,
+             query: api_types::ExpectedWithdrawalsQuery,
+             accept_header: Option<api_types::Accept>| {
+                task_spawner.blocking_response_task(Priority::P1, move || {
+                    let (state, execution_optimistic, finalized) = state_id.state(&chain)?;
+                    let proposal_slot = query.proposal_slot.unwrap_or(state.slot() + 1);
+                    let withdrawals =
+                        get_next_withdrawals::<T>(&chain, state, state_id, proposal_slot)?;
+
+                    match accept_header {
+                        Some(api_types::Accept::Ssz) => Response::builder()
+                            .status(200)
+                            .header("Content-Type", "application/octet-stream")
+                            .body(withdrawals.as_ssz_bytes().into())
+                            .map_err(|e| {
+                                warp_utils::reject::custom_server_error(format!(
+                                    "failed to create response: {}",
+                                    e
+                                ))
+                            }),
+                        _ => Ok(warp::reply::json(
+                            &api_types::ExecutionOptimisticFinalizedResponse {
+                                data: withdrawals,
+                                execution_optimistic: Some(execution_optimistic),
+                                finalized: Some(finalized),
+                            },
+                        )
+                        .into_response()),
+                    }
+                })
+            },
+        );
+
     /*
      * beacon/rewards
      */
@@ -4529,6 +4585,7 @@ pub fn serve<T: BeaconChainTypes>(
                 .uor(get_lighthouse_block_packing_efficiency)
                 .uor(get_lighthouse_merge_readiness)
                 .uor(get_events)
+                .uor(get_expected_withdrawals)
                 .uor(lighthouse_log_events.boxed())
                 .recover(warp_utils::reject::handle_rejection),
         )

beacon_node/http_api/tests/tests.rs

@@ -28,6 +28,7 @@ use sensitive_url::SensitiveUrl;
 use slot_clock::SlotClock;
 use state_processing::per_block_processing::get_expected_withdrawals;
 use state_processing::per_slot_processing;
+use state_processing::state_advance::partial_state_advance;
 use std::convert::TryInto;
 use std::sync::Arc;
 use tokio::time::Duration;
@@ -4443,6 +4444,72 @@ impl ApiTester {
         self
     }
 
+    pub async fn test_get_expected_withdrawals_invalid_state(self) -> Self {
+        let state_id = CoreStateId::Root(Hash256::zero());
+
+        let result = self.client.get_expected_withdrawals(&state_id).await;
+
+        match result {
+            Err(e) => {
+                assert_eq!(e.status().unwrap(), 404);
+            }
+            _ => panic!("query did not fail correctly"),
+        }
+
+        self
+    }
+
+    pub async fn test_get_expected_withdrawals_capella(self) -> Self {
+        let slot = self.chain.slot().unwrap();
+        let state_id = CoreStateId::Slot(slot);
+
+        // calculate the expected withdrawals
+        let (mut state, _, _) = StateId(state_id).state(&self.chain).unwrap();
+        let proposal_slot = state.slot() + 1;
+        let proposal_epoch = proposal_slot.epoch(E::slots_per_epoch());
+        let (state_root, _, _) = StateId(state_id).root(&self.chain).unwrap();
+        if proposal_epoch != state.current_epoch() {
+            let _ = partial_state_advance(
+                &mut state,
+                Some(state_root),
+                proposal_slot,
+                &self.chain.spec,
+            );
+        }
+        let expected_withdrawals = get_expected_withdrawals(&state, &self.chain.spec).unwrap();
+
+        // fetch expected withdrawals from the client
+        let result = self.client.get_expected_withdrawals(&state_id).await;
+        match result {
+            Ok(withdrawal_response) => {
+                assert_eq!(withdrawal_response.execution_optimistic, Some(false));
+                assert_eq!(withdrawal_response.finalized, Some(false));
+                assert_eq!(withdrawal_response.data, expected_withdrawals.to_vec());
+            }
+            Err(e) => {
+                println!("{:?}", e);
+                panic!("query failed incorrectly");
+            }
+        }
+
+        self
+    }
+
+    pub async fn test_get_expected_withdrawals_pre_capella(self) -> Self {
+        let state_id = CoreStateId::Head;
+
+        let result = self.client.get_expected_withdrawals(&state_id).await;
+
+        match result {
+            Err(e) => {
+                assert_eq!(e.status().unwrap(), 400);
+            }
+            _ => panic!("query did not fail correctly"),
+        }
+
+        self
+    }
+
     pub async fn test_get_events_altair(self) -> Self {
         let topics = vec![EventTopic::ContributionAndProof];
         let mut events_future = self
@@ -5245,3 +5312,37 @@ async fn optimistic_responses() {
         .test_check_optimistic_responses()
         .await;
 }
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn expected_withdrawals_invalid_pre_capella() {
+    let mut config = ApiTesterConfig::default();
+    config.spec.altair_fork_epoch = Some(Epoch::new(0));
+    ApiTester::new_from_config(config)
+        .await
+        .test_get_expected_withdrawals_pre_capella()
+        .await;
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn expected_withdrawals_invalid_state() {
+    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));
+    ApiTester::new_from_config(config)
+        .await
+        .test_get_expected_withdrawals_invalid_state()
+        .await;
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn expected_withdrawals_valid_capella() {
+    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));
+    ApiTester::new_from_config(config)
+        .await
+        .test_get_expected_withdrawals_capella()
+        .await;
+}

beacon_node/lighthouse_network/src/discovery/mod.rs

@@ -647,7 +647,7 @@ impl<TSpec: EthSpec> Discovery<TSpec> {
                 if subnet_queries.len() == MAX_SUBNETS_IN_QUERY || self.queued_queries.is_empty() {
                     // This query is for searching for peers of a particular subnet
                     // Drain subnet_queries so we can re-use it as we continue to process the queue
-                    let grouped_queries: Vec<SubnetQuery> = subnet_queries.drain(..).collect();
+                    let grouped_queries: Vec<SubnetQuery> = std::mem::take(&mut subnet_queries);
                     self.start_subnet_query(grouped_queries);
                     processed = true;
                 }

beacon_node/lighthouse_network/src/peer_manager/mod.rs

@@ -981,6 +981,7 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
 
         macro_rules! prune_peers {
             ($filter: expr) => {
+                let filter = $filter;
                 for (peer_id, info) in self
                     .network_globals
                     .peers
@@ -988,7 +989,7 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
                     .worst_connected_peers()
                     .iter()
                     .filter(|(_, info)| {
-                        !info.has_future_duty() && !info.is_trusted() && $filter(*info)
+                        !info.has_future_duty() && !info.is_trusted() && filter(*info)
                     })
                 {
                     if peers_to_prune.len()

beacon_node/network/src/network_beacon_processor/sync_methods.rs

@@ -279,9 +279,10 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
         _seen_timestamp: Duration,
         process_type: BlockProcessType,
     ) {
-        let Some(slot) = blobs.iter().find_map(|blob|{
-            blob.as_ref().map(|blob| blob.slot)
-        }) else {
+        let Some(slot) = blobs
+            .iter()
+            .find_map(|blob| blob.as_ref().map(|blob| blob.slot))
+        else {
             return;
         };
 

beacon_node/network/src/sync/block_lookups/common.rs

@@ -149,12 +149,14 @@ pub trait RequestState<L: Lookup, T: BeaconChainTypes> {
             .copied()
             .map(PeerShouldHave::BlockAndBlobs);
 
-        let Some(peer_id) = available_peer_opt.or_else(||request_state
+        let Some(peer_id) = available_peer_opt.or_else(|| {
+            request_state
                 .potential_peers
                 .iter()
                 .choose(&mut rand::thread_rng())
                 .copied()
-            .map(PeerShouldHave::Neither)) else {
+                .map(PeerShouldHave::Neither)
+        }) else {
             return Err(LookupRequestError::NoPeers);
         };
         request_state.used_peers.insert(peer_id.to_peer_id());

beacon_node/network/src/sync/block_lookups/mod.rs

@@ -597,7 +597,7 @@ impl<T: BeaconChainTypes> BlockLookups<T> {
             if response.is_some() {
                 debug!(self.log, "Response for a parent lookup request that was not found"; "peer_id" => %peer_id);
             }
-            return
+            return;
         };
 
         match self.parent_lookup_response_inner::<R>(
@@ -781,7 +781,7 @@ impl<T: BeaconChainTypes> BlockLookups<T> {
                 "peer_id" => %peer_id,
                 "error" => msg
             );
-            return
+            return;
         };
         R::request_state_mut(&mut parent_lookup.current_parent_request)
             .register_failure_downloading();
@@ -852,7 +852,7 @@ impl<T: BeaconChainTypes> BlockLookups<T> {
         let request_state = R::request_state_mut(&mut lookup);
 
         let Ok(peer_id) = request_state.get_state().processing_peer() else {
-           return
+            return;
         };
         debug!(
             self.log,
@@ -1233,9 +1233,8 @@ impl<T: BeaconChainTypes> BlockLookups<T> {
         mut parent_lookup: ParentLookup<T>,
     ) {
         // We should always have a block peer.
-        let Ok(block_peer_id) =
-            parent_lookup.block_processing_peer() else {
-            return
+        let Ok(block_peer_id) = parent_lookup.block_processing_peer() else {
+            return;
         };
         let block_peer_id = block_peer_id.to_peer_id();
 
@@ -1301,15 +1300,13 @@ impl<T: BeaconChainTypes> BlockLookups<T> {
                 let Some(id) = self
                     .single_block_lookups
                     .iter()
-                    .find_map(|(id, req)|
-                        (req.block_root() == chain_hash).then_some(*id)) else {
+                    .find_map(|(id, req)| (req.block_root() == chain_hash).then_some(*id))
+                else {
                     warn!(self.log, "No id found for single block lookup"; "chain_hash" => %chain_hash);
                     return;
                 };
 
-                let Some(lookup) = self
-                    .single_block_lookups
-                    .get_mut(&id) else {
+                let Some(lookup) = self.single_block_lookups.get_mut(&id) else {
                     warn!(self.log, "No id found for single block lookup"; "chain_hash" => %chain_hash);
                     return;
                 };

beacon_node/network/src/sync/block_lookups/single_block_lookup.rs

@@ -136,7 +136,7 @@ impl<L: Lookup, T: BeaconChainTypes> SingleBlockLookup<L, T> {
     pub fn get_cached_child_block(&self) -> CachedChild<T::EthSpec> {
         if let Some(components) = self.cached_child_components.as_ref() {
             let Some(block) = components.downloaded_block.as_ref() else {
-              return CachedChild::DownloadIncomplete
+                return CachedChild::DownloadIncomplete;
             };
 
             if !self.missing_blob_ids().is_empty() {

beacon_node/store/src/chunked_vector.rs

@@ -299,7 +299,8 @@ macro_rules! field {
             }
 
             fn update_pattern(spec: &ChainSpec) -> UpdatePattern {
-                $update_pattern(spec)
+                let update_pattern = $update_pattern;
+                update_pattern(spec)
             }
 
             fn get_value(
@@ -307,7 +308,8 @@ macro_rules! field {
                 vindex: u64,
                 spec: &ChainSpec,
             ) -> Result<Self::Value, ChunkError> {
-                $get_value(state, vindex, spec)
+                let get_value = $get_value;
+                get_value(state, vindex, spec)
             }
 
             fn is_fixed_length() -> bool {

beacon_node/store/src/leveldb_store.rs

@@ -167,7 +167,7 @@ impl<E: EthSpec> KeyValueStore<E> for LevelDB<E> {
             )
         };
 
-        for (start_key, end_key) in vec![
+        for (start_key, end_key) in [
             endpoints(DBColumn::BeaconStateTemporary),
             endpoints(DBColumn::BeaconState),
         ] {

common/eth2/src/lib.rs

@@ -1289,6 +1289,23 @@ impl BeaconNodeHttpClient {
         Ok(())
     }
 
+    // GET builder/states/{state_id}/expected_withdrawals
+    pub async fn get_expected_withdrawals(
+        &self,
+        state_id: &StateId,
+    ) -> Result<ExecutionOptimisticFinalizedResponse<Vec<Withdrawal>>, Error> {
+        let mut path = self.eth_path(V1)?;
+
+        path.path_segments_mut()
+            .map_err(|()| Error::InvalidUrl(self.server.clone()))?
+            .push("builder")
+            .push("states")
+            .push(&state_id.to_string())
+            .push("expected_withdrawals");
+
+        self.get(path).await
+    }
+
     /// `POST validator/contribution_and_proofs`
     pub async fn post_validator_contribution_and_proofs<T: EthSpec>(
         &self,

common/eth2/src/types.rs

@@ -586,6 +586,11 @@ pub struct SyncingData {
     pub sync_distance: Slot,
 }
 
+#[derive(Serialize, Deserialize)]
+pub struct ExpectedWithdrawalsQuery {
+    pub proposal_slot: Option<Slot>,
+}
+
 #[derive(Clone, PartialEq, Debug, Deserialize)]
 #[serde(try_from = "String", bound = "T: FromStr")]
 pub struct QueryVec<T: FromStr> {

consensus/safe_arith/src/iter.rs

@@ -28,10 +28,10 @@ mod test {
 
     #[test]
     fn unsigned_sum_small() {
-        let v = vec![400u64, 401, 402, 403, 404, 405, 406];
+        let arr = [400u64, 401, 402, 403, 404, 405, 406];
         assert_eq!(
-            v.iter().copied().safe_sum().unwrap(),
-            v.iter().copied().sum()
+            arr.iter().copied().safe_sum().unwrap(),
+            arr.iter().copied().sum()
         );
     }
 
@@ -61,10 +61,10 @@ mod test {
 
     #[test]
     fn signed_sum_almost_overflow() {
-        let v = vec![i64::MIN, 1, -1i64, i64::MAX, i64::MAX, 1];
+        let arr = [i64::MIN, 1, -1i64, i64::MAX, i64::MAX, 1];
         assert_eq!(
-            v.iter().copied().safe_sum().unwrap(),
-            v.iter().copied().sum()
+            arr.iter().copied().safe_sum().unwrap(),
+            arr.iter().copied().sum()
         );
     }
 }

consensus/types/src/blob_sidecar.rs

@@ -129,7 +129,10 @@ impl<T: EthSpec> BlobSidecar<T> {
         // Ensure that the blob is canonical by ensuring that
         // each field element contained in the blob is < BLS_MODULUS
         for i in 0..T::Kzg::FIELD_ELEMENTS_PER_BLOB {
-            let Some(byte) = blob_bytes.get_mut(i.checked_mul(T::Kzg::BYTES_PER_FIELD_ELEMENT).ok_or("overflow".to_string())?)  else {
+            let Some(byte) = blob_bytes.get_mut(
+                i.checked_mul(T::Kzg::BYTES_PER_FIELD_ELEMENT)
+                    .ok_or("overflow".to_string())?,
+            ) else {
                 return Err(format!("blob byte index out of bounds: {:?}", i));
             };
             *byte = 0;

crypto/bls/src/generic_public_key_bytes.rs

@@ -27,10 +27,7 @@ impl<Pub> Copy for GenericPublicKeyBytes<Pub> {}
 
 impl<Pub> Clone for GenericPublicKeyBytes<Pub> {
     fn clone(&self) -> Self {
-        Self {
-            bytes: self.bytes,
-            _phantom: PhantomData,
-        }
+        *self
     }
 }