cleanup: remove unused imports, unusued fields (#3834)

consensus/state_processing/src/consensus_context.rs

@@ -1,13 +1,10 @@
 use crate::common::get_indexed_attestation;
 use crate::per_block_processing::errors::{AttestationInvalid, BlockOperationError};
 use std::collections::{hash_map::Entry, HashMap};
-use std::marker::PhantomData;
-use std::sync::Arc;
 use tree_hash::TreeHash;
 use types::{
     AbstractExecPayload, Attestation, AttestationData, BeaconState, BeaconStateError, BitList,
-    BlobsSidecar, ChainSpec, Epoch, EthSpec, ExecPayload, Hash256, IndexedAttestation,
-    SignedBeaconBlock, Slot,
+    ChainSpec, Epoch, EthSpec, Hash256, IndexedAttestation, SignedBeaconBlock, Slot,
 };
 
 #[derive(Debug)]
@@ -21,8 +18,6 @@ pub struct ConsensusContext<T: EthSpec> {
     /// Cache of indexed attestations constructed during block processing.
     indexed_attestations:
         HashMap<(AttestationData, BitList<T::MaxValidatorsPerCommittee>), IndexedAttestation<T>>,
-    /// Should only be populated if the sidecar has not been validated.
-    blobs_sidecar: Option<Arc<BlobsSidecar<T>>>,
     /// Whether `validate_blobs_sidecar` has successfully passed.
     blobs_sidecar_validated: bool,
     /// Whether `verify_kzg_commitments_against_transactions` has successfully passed.
@@ -49,7 +44,6 @@ impl<T: EthSpec> ConsensusContext<T> {
             proposer_index: None,
             current_block_root: None,
             indexed_attestations: HashMap::new(),
-            blobs_sidecar: None,
             blobs_sidecar_validated: false,
             blobs_verified_vs_txs: false,
         }

consensus/state_processing/src/per_block_processing.rs

@@ -42,8 +42,6 @@ mod verify_deposit;
 mod verify_exit;
 mod verify_proposer_slashing;
 
-use crate::common::decrease_balance;
-
 #[cfg(feature = "arbitrary-fuzz")]
 use arbitrary::Arbitrary;