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Merge branch 'peerdas-devnet-7' into peerdas-rangesync

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This commit is contained in:
Jimmy Chen
2025-06-04 16:06:23 +10:00
committed by GitHub
parent 1b72871ad1 b9ce98a3e5
commit 2b4a9bda44
1 changed files with 30 additions and 18 deletions
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48
beacon_node/beacon_chain/src/builder.rs
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@@ -486,24 +486,36 @@ where
// Verify that blobs (if provided) match the block.
if let Some(blobs) = &weak_subj_blobs {
let commitments = weak_subj_block
.message()
.body()
.blob_kzg_commitments()
.map_err(|e| format!("Blobs provided but block does not reference them: {e:?}"))?;
if blobs.len() != commitments.len() {
return Err(format!(
"Wrong number of blobs, expected: {}, got: {}",
commitments.len(),
blobs.len()
));
}
if commitments
.iter()
.zip(blobs.iter())
.any(|(commitment, blob)| *commitment != blob.kzg_commitment)
{
return Err("Checkpoint blob does not match block commitment".into());
let fulu_enabled = weak_subj_block.fork_name_unchecked().fulu_enabled();
if fulu_enabled && blobs.is_empty() {
// Blobs expected for this block, but the checkpoint server is not able to serve them.
// This is expected from Fulu, as only supernodes are able to serve blobs.
// We can consider using backfill to retrieve the data columns from the p2p network,
// but we can ignore this fow now until we have validator custody backfill
// implemented as we'll likely be able to reuse the logic.
// https://github.com/sigp/lighthouse/issues/6837
} else {
let commitments = weak_subj_block
.message()
.body()
.blob_kzg_commitments()
.map_err(|e| {
format!("Blobs provided but block does not reference them: {e:?}")
})?;
if blobs.len() != commitments.len() {
return Err(format!(
"Wrong number of blobs, expected: {}, got: {}",
commitments.len(),
blobs.len()
));
}
if commitments
.iter()
.zip(blobs.iter())
.any(|(commitment, blob)| *commitment != blob.kzg_commitment)
{
return Err("Checkpoint blob does not match block commitment".into());
}
}
}