add intoavailableblock trait

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -7,7 +7,7 @@ use crate::attester_cache::{AttesterCache, AttesterCacheKey};
 use crate::beacon_proposer_cache::compute_proposer_duties_from_head;
 use crate::beacon_proposer_cache::BeaconProposerCache;
 use crate::blob_cache::BlobCache;
-use crate::blob_verification::{AsBlock, AvailabilityPendingBlock, BlockWrapper};
+use crate::blob_verification::{AsBlock, AvailabilityPendingBlock, AvailableBlock, BlockWrapper, IntoAvailableBlock};
 use crate::block_times_cache::BlockTimesCache;
 use crate::block_verification::{
     check_block_is_finalized_checkpoint_or_descendant, check_block_relevancy, get_block_root,
@@ -2685,7 +2685,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
     ///
     /// Returns an `Err` if the given block was invalid, or an error was encountered during
     /// verification.
-    pub async fn process_block<B: IntoExecutionPendingBlock<T>>(
+    pub async fn process_block<A: IntoAvailableBlock, B: IntoExecutionPendingBlock<T, A>>(
         self: &Arc<Self>,
         block_root: Hash256,
         unverified_block: B,
@@ -2764,9 +2764,9 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
     ///
     /// An error is returned if the block was unable to be imported. It may be partially imported
     /// (i.e., this function is not atomic).
-    async fn import_execution_pending_block(
+    async fn import_execution_pending_block<B: IntoAvailableBlock>(
         self: Arc<Self>,
-        execution_pending_block: ExecutionPendingBlock<T>,
+        execution_pending_block: ExecutionPendingBlock<T, B>,
         count_unrealized: CountUnrealized,
     ) -> Result<Hash256, BlockError<T::EthSpec>> {
         let ExecutionPendingBlock {
@@ -2818,14 +2818,14 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
             );
         }
 
-
+        let available_block = block.into_available_block()?;
 
         let chain = self.clone();
         let block_hash = self
             .spawn_blocking_handle(
                 move || {
                     chain.import_block(
-                        block,
+                        available_block,
                         block_root,
                         state,
                         confirmed_state_roots,
@@ -2851,7 +2851,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
     #[allow(clippy::too_many_arguments)]
     fn import_block(
         &self,
-        signed_block: AvailabilityPendingBlock<T::EthSpec>,
+        signed_block: AvailableBlock<T::EthSpec>,
         block_root: Hash256,
         mut state: BeaconState<T::EthSpec>,
         confirmed_state_roots: Vec<Hash256>,

beacon_node/beacon_chain/src/blob_verification.rs

@@ -4,6 +4,7 @@ use std::sync::Arc;
 use tokio::task::JoinHandle;
 
 use crate::beacon_chain::{BeaconChain, BeaconChainTypes, MAXIMUM_GOSSIP_CLOCK_DISPARITY};
+use crate::block_verification::PayloadVerificationOutcome;
 use crate::{kzg_utils, BeaconChainError, BlockError};
 use state_processing::per_block_processing::eip4844::eip4844::verify_kzg_commitments_against_transactions;
 use types::signed_beacon_block::BlobReconstructionError;
@@ -13,7 +14,6 @@ use types::{
     Transactions,
 };
 use types::{Epoch, ExecPayload};
-use crate::block_verification::PayloadVerificationOutcome;
 
 #[derive(Debug)]
 pub enum BlobError {
@@ -220,7 +220,9 @@ impl<T: BeaconChainTypes> BlockWrapper<T::EthSpec> {
                 }
             });
         match self {
-            BlockWrapper::Block(block) => AvailabilityPendingBlock::new(block, block_root, da_check_required),
+            BlockWrapper::Block(block) => {
+                AvailabilityPendingBlock::new(block, block_root, da_check_required)
+            }
             BlockWrapper::BlockAndBlobs(block, blobs_sidecar) => {
                 if matches!(da_check_required, DataAvailabilityCheckRequired::Yes) {
                     let kzg_commitments = block
@@ -251,15 +253,23 @@ impl<T: BeaconChainTypes> BlockWrapper<T::EthSpec> {
     }
 }
 
+pub trait IntoAvailableBlock<T: BeaconChainTypes> {
+    fn into_available_block(
+        self,
+        block_root: Hash256,
+        chain: &BeaconChain<T>,
+    ) -> Result<AvailableBlock<T::EthSpec>, BlobError>;
+}
+
 /// A wrapper over a [`SignedBeaconBlock`] or a [`SignedBeaconBlockAndBlobsSidecar`].  An
 /// `AvailableBlock` has passed any required data availability checks and should be used in
 /// consensus. This newtype wraps `AvailableBlockInner` to ensure data availability checks
 /// cannot be circumvented on construction.
 #[derive(Clone, Debug, Derivative)]
 #[derivative(PartialEq, Hash(bound = "E: EthSpec"))]
-pub struct AvailabilityPendingBlock<E: EthSpec>{
+pub struct AvailabilityPendingBlock<E: EthSpec> {
     block: Arc<SignedBeaconBlock<E>>,
-    data_availability_handle: DataAvailabilityHandle<E>
+    data_availability_handle: DataAvailabilityHandle<E>,
 }
 
 /// Used to await the result of data availability check.

beacon_node/beacon_chain/src/block_verification.rs

@@ -24,9 +24,6 @@
 //!             ▼
 //!     SignedBeaconBlock
 //!             |
-//!             ▼
-//!      AvailableBlock
-//!             |
 //!             |---------------
 //!             |              |
 //!             |              ▼
@@ -52,8 +49,8 @@
 #![allow(clippy::result_large_err)]
 
 use crate::blob_verification::{
-    validate_blob_for_gossip, AsBlock, AvailabilityPendingBlock, BlobError, BlockWrapper, IntoAvailableBlock,
-    IntoBlockWrapper,
+    validate_blob_for_gossip, AsBlock, AvailabilityPendingBlock, AvailableBlock, BlobError,
+    BlockWrapper, IntoAvailableBlock, IntoBlockWrapper,
 };
 use crate::eth1_finalization_cache::Eth1FinalizationData;
 use crate::execution_payload::{
@@ -668,7 +665,10 @@ type PayloadVerificationHandle<E> =
 /// Note: a `ExecutionPendingBlock` is not _forever_ valid to be imported, it may later become invalid
 /// due to finality or some other event. A `ExecutionPendingBlock` should be imported into the
 /// `BeaconChain` immediately after it is instantiated.
-pub struct ExecutionPendingBlock<T: BeaconChainTypes, B: IntoAvailablBlock> {
+pub struct ExecutionPendingBlock<
+    T: BeaconChainTypes,
+    B: IntoAvailablBlockk = AvailableBlock<T::EthSpec>,
+> {
     pub block: B,
     pub block_root: Hash256,
     pub state: BeaconState<T::EthSpec>,
@@ -682,13 +682,17 @@ pub struct ExecutionPendingBlock<T: BeaconChainTypes, B: IntoAvailablBlock> {
 /// Implemented on types that can be converted into a `ExecutionPendingBlock`.
 ///
 /// Used to allow functions to accept blocks at various stages of verification.
-pub trait IntoExecutionPendingBlock<T: BeaconChainTypes>: Sized {
+pub trait IntoExecutionPendingBlock<
+    T: BeaconChainTypes,
+    B: IntoAvailableBlock = AvailableBlock<T::EthSpec>,
+>: Sized
+{
     fn into_execution_pending_block(
         self,
         block_root: Hash256,
         chain: &Arc<BeaconChain<T>>,
         notify_execution_layer: NotifyExecutionLayer,
-    ) -> Result<ExecutionPendingBlock<T>, BlockError<T::EthSpec>> {
+    ) -> Result<ExecutionPendingBlock<T, B>, BlockError<T::EthSpec>> {
         self.into_execution_pending_block_slashable(block_root, chain, notify_execution_layer)
             .map(|execution_pending| {
                 // Supply valid block to slasher.
@@ -706,7 +710,7 @@ pub trait IntoExecutionPendingBlock<T: BeaconChainTypes>: Sized {
         block_root: Hash256,
         chain: &Arc<BeaconChain<T>>,
         notify_execution_layer: NotifyExecutionLayer,
-    ) -> Result<ExecutionPendingBlock<T>, BlockSlashInfo<BlockError<T::EthSpec>>>;
+    ) -> Result<ExecutionPendingBlock<T, B>, BlockSlashInfo<BlockError<T::EthSpec>>>;
 
     fn block(&self) -> &SignedBeaconBlock<T::EthSpec>;
 }

beacon_node/beacon_chain/src/early_attester_cache.rs

@@ -1,4 +1,4 @@
-use crate::blob_verification::AvailabilityPendingBlock;
+use crate::blob_verification::{AvailabilityPendingBlock, AvailableBlock};
 use crate::{
     attester_cache::{CommitteeLengths, Error},
     metrics,
@@ -51,7 +51,7 @@ impl<E: EthSpec> EarlyAttesterCache<E> {
     pub fn add_head_block(
         &self,
         beacon_block_root: Hash256,
-        block: AvailabilityPendingBlock<E>,
+        block: AvailableBlock<E>,
         proto_block: ProtoBlock,
         state: &BeaconState<E>,
         spec: &ChainSpec,