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Remove c-kzg (#8930)

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#7330


  Removes `c-kzg` from our `kzg` crate and rely fully on the `rust_eth_kzg` crate.

This removes the old `Blob` type entirely and instead handles `rust_eth_kzg::KzgBlobRef`s directly which allows us to avoid some extra stack allocations . Similarly, we make `Bytes32` and `Bytes48` type aliases rather than structs as this fits better with the new `rust_eth_kzg` API.


Co-Authored-By: Mac L <mjladson@pm.me>
This commit is contained in:
Mac L
2026-03-11 07:43:26 +02:00
committed by GitHub
parent 2bb79f43aa
commit 815040dc3c
14 changed files with 129 additions and 188 deletions
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15
beacon_node/execution_layer/src/test_utils/execution_block_generator.rs
View File

@@ -989,7 +989,7 @@ pub fn generate_pow_block(
#[cfg(test)]
mod test {
use super::*;
use kzg::{Bytes48, CellRef, KzgBlobRef, trusted_setup::get_trusted_setup};
use kzg::{CellRef, KzgBlobRef, trusted_setup::get_trusted_setup};
use types::{MainnetEthSpec, MinimalEthSpec};
#[test]
@@ -1015,10 +1015,11 @@ mod test {
fn validate_blob_bundle_v1<E: EthSpec>() -> Result<(), String> {
let kzg = load_kzg()?;
let (kzg_commitment, kzg_proof, blob) = load_test_blobs_bundle_v1::<E>()?;
let kzg_blob = kzg::Blob::from_bytes(blob.as_ref())
.map(Box::new)
.map_err(|e| format!("Error converting blob to kzg blob: {e:?}"))?;
kzg.verify_blob_kzg_proof(&kzg_blob, kzg_commitment, kzg_proof)
let kzg_blob: KzgBlobRef = blob
.as_ref()
.try_into()
.map_err(|e| format!("Error converting blob to kzg blob ref: {e:?}"))?;
kzg.verify_blob_kzg_proof(kzg_blob, kzg_commitment, kzg_proof)
.map_err(|e| format!("Invalid blobs bundle: {e:?}"))
}
@@ -1028,8 +1029,8 @@ mod test {
load_test_blobs_bundle_v2::<E>().map(|(commitment, proofs, blob)| {
let kzg_blob: KzgBlobRef = blob.as_ref().try_into().unwrap();
(
vec![Bytes48::from(commitment); proofs.len()],
proofs.into_iter().map(|p| p.into()).collect::<Vec<_>>(),
vec![commitment.0; proofs.len()],
proofs.into_iter().map(|p| p.0).collect::<Vec<_>>(),
kzg.compute_cells(kzg_blob).unwrap(),
)
})?;