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Implement EIP-7892 BPO hardforks (#7521)

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[EIP-7892: Blob Parameter Only Hardforks](https://eips.ethereum.org/EIPS/eip-7892)

#7467
This commit is contained in:
ethDreamer
2025-06-02 01:54:42 -05:00
committed by GitHub
parent 94a1446ac9
commit ae30480926
9 changed files with 286 additions and 48 deletions
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12
beacon_node/execution_layer/src/test_utils/execution_block_generator.rs
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@@ -142,6 +142,7 @@ pub struct ExecutionBlockGenerator<E: EthSpec> {
pub pending_payloads: HashMap<ExecutionBlockHash, ExecutionPayload<E>>,
pub next_payload_id: u64,
pub payload_ids: HashMap<PayloadId, ExecutionPayload<E>>,
min_blobs_count: usize,
/*
* Post-merge fork triggers
*/
@@ -188,6 +189,7 @@ impl<E: EthSpec> ExecutionBlockGenerator<E> {
pending_payloads: <_>::default(),
next_payload_id: 0,
payload_ids: <_>::default(),
min_blobs_count: 0,
shanghai_time,
cancun_time,
prague_time,
@@ -318,6 +320,10 @@ impl<E: EthSpec> ExecutionBlockGenerator<E> {
Ok(())
}
pub fn set_min_blob_count(&mut self, count: usize) {
self.min_blobs_count = count;
}
pub fn insert_pow_block(&mut self, block_number: u64) -> Result<(), String> {
if let Some(finalized_block_hash) = self.finalized_block_hash {
return Err(format!(
@@ -702,8 +708,10 @@ impl<E: EthSpec> ExecutionBlockGenerator<E> {
if fork_name.deneb_enabled() {
// get random number between 0 and Max Blobs
let mut rng = self.rng.lock();
let max_blobs = self.spec.max_blobs_per_block_by_fork(fork_name) as usize;
let num_blobs = rng.gen::<usize>() % (max_blobs + 1);
// TODO(EIP-7892): see FIXME below
// FIXME: this will break with BPO forks. This function needs to calculate the epoch based on block timestamp..
let max_blobs = self.spec.max_blobs_per_block_within_fork(fork_name) as usize;
let num_blobs = rng.gen_range(self.min_blobs_count..=max_blobs);
let (bundle, transactions) = generate_blobs(num_blobs, fork_name)?;
for tx in Vec::from(transactions) {
execution_payload