Clean capella (sigp#4019)

## Issue Addressed

Cleans up all the remnants of 4844 in capella. This makes sure when 4844 is reviewed there is nothing we are missing because it got included here 

## Proposed Changes

drop a bomb on every 4844 thing 

## Additional Info

Merge process I did (locally) is as follows:
- squash merge to produce one commit
- in new branch off unstable with the squashed commit create a `git revert HEAD` commit
- merge that new branch onto 4844 with `--strategy ours`
- compare local 4844 to remote 4844 and make sure the diff is empty
- enjoy

Co-authored-by: Paul Hauner <paul@paulhauner.com>

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -4106,9 +4106,6 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
             None
         };
 
-        //FIXME(sean) waiting for the BN<>EE api for this to stabilize
-        let kzg_commitments = vec![];
-
         // Part 3/3 (blocking)
         //
         // Perform the final steps of combining all the parts and computing the state root.
@@ -4119,7 +4116,6 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
                     chain.complete_partial_beacon_block(
                         partial_beacon_block,
                         block_contents,
-                        kzg_commitments,
                         verification,
                     )
                 },
@@ -4190,7 +4186,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         // allows it to run concurrently with things like attestation packing.
         let prepare_payload_handle = match &state {
             BeaconState::Base(_) | BeaconState::Altair(_) => None,
-            BeaconState::Merge(_) | BeaconState::Capella(_) | BeaconState::Eip4844(_) => {
+            BeaconState::Merge(_) | BeaconState::Capella(_) => {
                 let prepare_payload_handle =
                     get_execution_payload(self.clone(), &state, proposer_index, builder_params)?;
                 Some(prepare_payload_handle)
@@ -4373,7 +4369,6 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         &self,
         partial_beacon_block: PartialBeaconBlock<T::EthSpec, Payload>,
         block_contents: Option<BlockProposalContents<T::EthSpec, Payload>>,
-        kzg_commitments: Vec<KzgCommitment>,
         verification: ProduceBlockVerification,
     ) -> Result<BeaconBlockAndState<T::EthSpec, Payload>, BlockProductionError> {
         let PartialBeaconBlock {
@@ -4481,31 +4476,6 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
                     bls_to_execution_changes: bls_to_execution_changes.into(),
                 },
             }),
-            BeaconState::Eip4844(_) => BeaconBlock::Eip4844(BeaconBlockEip4844 {
-                slot,
-                proposer_index,
-                parent_root,
-                state_root: Hash256::zero(),
-                body: BeaconBlockBodyEip4844 {
-                    randao_reveal,
-                    eth1_data,
-                    graffiti,
-                    proposer_slashings: proposer_slashings.into(),
-                    attester_slashings: attester_slashings.into(),
-                    attestations: attestations.into(),
-                    deposits: deposits.into(),
-                    voluntary_exits: voluntary_exits.into(),
-                    sync_aggregate: sync_aggregate
-                        .ok_or(BlockProductionError::MissingSyncAggregate)?,
-                    execution_payload: block_contents
-                        .ok_or(BlockProductionError::MissingExecutionPayload)?
-                        .to_payload()
-                        .try_into()
-                        .map_err(|_| BlockProductionError::InvalidPayloadFork)?,
-                    bls_to_execution_changes: bls_to_execution_changes.into(),
-                    blob_kzg_commitments: VariableList::from(kzg_commitments),
-                },
-            }),
         };
 
         let block = SignedBeaconBlock::from_block(
@@ -4760,7 +4730,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
 
         let withdrawals = match self.spec.fork_name_at_slot::<T::EthSpec>(prepare_slot) {
             ForkName::Base | ForkName::Altair | ForkName::Merge => None,
-            ForkName::Capella | ForkName::Eip4844 => {
+            ForkName::Capella => {
                 // We must use the advanced state because balances can change at epoch boundaries
                 // and balances affect withdrawals.
                 // FIXME(mark)

beacon_node/beacon_chain/src/errors.rs

@@ -258,11 +258,6 @@ pub enum BlockProductionError {
     BlockingFailed(execution_layer::Error),
     TerminalPoWBlockLookupFailed(execution_layer::Error),
     GetPayloadFailed(execution_layer::Error),
-    GetBlobsFailed(execution_layer::Error),
-    BlobPayloadMismatch {
-        blob_block_hash: ExecutionBlockHash,
-        payload_block_hash: ExecutionBlockHash,
-    },
     FailedToReadFinalizedBlock(store::Error),
     MissingFinalizedBlock(Hash256),
     BlockTooLarge(usize),

beacon_node/beacon_chain/src/execution_payload.rs

@@ -406,9 +406,7 @@ pub fn get_execution_payload<
     let latest_execution_payload_header_block_hash =
         state.latest_execution_payload_header()?.block_hash();
     let withdrawals = match state {
-        &BeaconState::Capella(_) | &BeaconState::Eip4844(_) => {
-            Some(get_expected_withdrawals(state, spec)?.into())
-        }
+        &BeaconState::Capella(_) => Some(get_expected_withdrawals(state, spec)?.into()),
         &BeaconState::Merge(_) => None,
         // These shouldn't happen but they're here to make the pattern irrefutable
         &BeaconState::Base(_) | &BeaconState::Altair(_) => None,

beacon_node/beacon_chain/src/lib.rs

@@ -7,7 +7,6 @@ mod beacon_chain;
 mod beacon_fork_choice_store;
 pub mod beacon_proposer_cache;
 mod beacon_snapshot;
-pub mod blob_verification;
 pub mod block_reward;
 mod block_times_cache;
 mod block_verification;

beacon_node/beacon_chain/src/metrics.rs

@@ -972,22 +972,6 @@ lazy_static! {
             "beacon_pre_finalization_block_lookup_count",
             "Number of block roots subject to single block lookups"
         );
-
-    /*
-     * Blob sidecar Verification
-     */
-    pub static ref BLOBS_SIDECAR_PROCESSING_REQUESTS: Result<IntCounter> = try_create_int_counter(
-        "beacon_blobs_sidecar_processing_requests_total",
-        "Count of all blob sidecars submitted for processing"
-    );
-    pub static ref BLOBS_SIDECAR_PROCESSING_SUCCESSES: Result<IntCounter> = try_create_int_counter(
-        "beacon_blobs_sidecar_processing_successes_total",
-        "Number of blob sidecars verified for gossip"
-    );
-    pub static ref BLOBS_SIDECAR_GOSSIP_VERIFICATION_TIMES: Result<Histogram> = try_create_histogram(
-        "beacon_blobs_sidecar_gossip_verification_seconds",
-        "Full runtime of blob sidecars gossip verification"
-    );
 }
 
 // Fifth lazy-static block is used to account for macro recursion limit.

beacon_node/beacon_chain/src/test_utils.rs

@@ -420,10 +420,6 @@ where
             spec.capella_fork_epoch.map(|epoch| {
                 genesis_time + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
             });
-        mock.server.execution_block_generator().eip4844_time =
-            spec.eip4844_fork_epoch.map(|epoch| {
-                genesis_time + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
-            });
 
         self
     }
@@ -433,14 +429,10 @@ where
         let shanghai_time = spec.capella_fork_epoch.map(|epoch| {
             HARNESS_GENESIS_TIME + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
         });
-        let eip4844_time = spec.eip4844_fork_epoch.map(|epoch| {
-            HARNESS_GENESIS_TIME + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
-        });
         let mock = MockExecutionLayer::new(
             self.runtime.task_executor.clone(),
             DEFAULT_TERMINAL_BLOCK,
             shanghai_time,
-            eip4844_time,
             None,
             Some(JwtKey::from_slice(&DEFAULT_JWT_SECRET).unwrap()),
             spec,
@@ -464,14 +456,10 @@ where
         let shanghai_time = spec.capella_fork_epoch.map(|epoch| {
             HARNESS_GENESIS_TIME + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
         });
-        let eip4844_time = spec.eip4844_fork_epoch.map(|epoch| {
-            HARNESS_GENESIS_TIME + spec.seconds_per_slot * E::slots_per_epoch() * epoch.as_u64()
-        });
         let mock_el = MockExecutionLayer::new(
             self.runtime.task_executor.clone(),
             DEFAULT_TERMINAL_BLOCK,
             shanghai_time,
-            eip4844_time,
             builder_threshold,
             Some(JwtKey::from_slice(&DEFAULT_JWT_SECRET).unwrap()),
             spec.clone(),