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Remove blob clones in KZG verification (#4852)

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## Issue Addressed

This PR removes two instances of blob clones during blob verification that may not be necessary.
This commit is contained in:
Jimmy Chen
2023-10-18 06:52:54 +00:00
parent a7c46bf7ed
commit 1b4545cd9d
5 changed files with 12 additions and 18 deletions
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14
beacon_node/beacon_chain/src/blob_verification.rs
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@@ -502,8 +502,7 @@ pub fn verify_kzg_for_blob<T: EthSpec>(
kzg: &Kzg<T::Kzg>,
) -> Result<KzgVerifiedBlob<T>, AvailabilityCheckError> {
let _timer = crate::metrics::start_timer(&crate::metrics::KZG_VERIFICATION_SINGLE_TIMES);
//TODO(sean) remove clone
if validate_blob::<T>(kzg, blob.blob.clone(), blob.kzg_commitment, blob.kzg_proof)
if validate_blob::<T>(kzg, &blob.blob, blob.kzg_commitment, blob.kzg_proof)
.map_err(AvailabilityCheckError::Kzg)?
{
Ok(KzgVerifiedBlob { blob })
@@ -524,15 +523,10 @@ pub fn verify_kzg_for_blob_list<T: EthSpec>(
let _timer = crate::metrics::start_timer(&crate::metrics::KZG_VERIFICATION_BATCH_TIMES);
let (blobs, (commitments, proofs)): (Vec<_>, (Vec<_>, Vec<_>)) = blob_list
.iter()
.map(|blob| (blob.blob.clone(), (blob.kzg_commitment, blob.kzg_proof)))
.map(|blob| (&blob.blob, (blob.kzg_commitment, blob.kzg_proof)))
.unzip();
if validate_blobs::<T>(
kzg,
commitments.as_slice(),
blobs.as_slice(),
proofs.as_slice(),
)
.map_err(AvailabilityCheckError::Kzg)?
if validate_blobs::<T>(kzg, commitments.as_slice(), blobs, proofs.as_slice())
.map_err(AvailabilityCheckError::Kzg)?
{
Ok(())
} else {