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Implement get validator block endpoint for EIP-4844

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This commit is contained in:
Jimmy Chen
2023-02-15 16:44:13 +11:00
parent ae3e5f73d6
commit 6ec0ce6070
13 changed files with 201 additions and 34 deletions
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47
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -4759,30 +4759,41 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
.kzg
.as_ref()
.ok_or(BlockProductionError::TrustedSetupNotInitialized)?;
let kzg_aggregated_proof =
kzg_utils::compute_aggregate_kzg_proof::<T::EthSpec>(kzg, &blobs)
.map_err(BlockProductionError::KzgError)?;
let beacon_block_root = block.canonical_root();
let expected_kzg_commitments = block.body().blob_kzg_commitments().map_err(|_| {
BlockProductionError::InvalidBlockVariant(
"EIP4844 block does not contain kzg commitments".to_string(),
)
})?;
let blobs_sidecar = BlobsSidecar {
beacon_block_slot: slot,
beacon_block_root,
blobs,
kzg_aggregated_proof,
};
kzg_utils::validate_blobs_sidecar(
kzg,
slot,
beacon_block_root,
expected_kzg_commitments,
&blobs_sidecar,
)
.map_err(BlockProductionError::KzgError)?;
self.blob_cache.put(beacon_block_root, blobs_sidecar);
let blob_sidecars = VariableList::from(
blobs
.into_iter()
.enumerate()
.map(|(blob_index, blob)| {
BlobSidecar {
block_root: beacon_block_root,
index: blob_index as u64,
slot,
block_parent_root: block.parent_root(),
proposer_index,
blob,
kzg_commitment: expected_kzg_commitments[blob_index].clone(),
kzg_proof: Default::default(), // TODO: compute KZG proof
}
})
.collect::<Vec<BlobSidecar<T::EthSpec>>>(),
);
// TODO: validate blobs
// kzg_utils::validate_blobs_sidecar(
// kzg,
// slot,
// beacon_block_root,
// expected_kzg_commitments,
// &blobs_sidecar,
// ).map_err(BlockProductionError::KzgError)?;
self.blob_cache.put(beacon_block_root, blob_sidecars);
}
metrics::inc_counter(&metrics::BLOCK_PRODUCTION_SUCCESSES);