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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/lighthouse_network/src/rpc/protocol.rs
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@@ -21,7 +21,7 @@ use types::{
EmptyBlock, EthSpec, EthSpecId, ForkContext, ForkName, LightClientBootstrap,
LightClientBootstrapAltair, LightClientFinalityUpdate, LightClientFinalityUpdateAltair,
LightClientOptimisticUpdate, LightClientOptimisticUpdateAltair, LightClientUpdate,
MainnetEthSpec, MinimalEthSpec, Signature, SignedBeaconBlock,
MainnetEthSpec, MinimalEthSpec, Signature, SignedBeaconBlock, Slot,
};
// Note: Hardcoding the `EthSpec` type for `SignedBeaconBlock` as min/max values is
@@ -633,7 +633,8 @@ pub fn rpc_blob_limits<E: EthSpec>() -> RpcLimits {
pub fn rpc_data_column_limits<E: EthSpec>(fork_name: ForkName, spec: &ChainSpec) -> RpcLimits {
RpcLimits::new(
DataColumnSidecar::<E>::min_size(),
DataColumnSidecar::<E>::max_size(spec.max_blobs_per_block_by_fork(fork_name) as usize),
// TODO(EIP-7892): fix this once we change fork-version on BPO forks
DataColumnSidecar::<E>::max_size(spec.max_blobs_per_block_within_fork(fork_name) as usize),
)
}
@@ -732,13 +733,16 @@ impl<E: EthSpec> RequestType<E> {
/* These functions are used in the handler for stream management */
/// Maximum number of responses expected for this request.
pub fn max_responses(&self, current_fork: ForkName, spec: &ChainSpec) -> u64 {
/// TODO(EIP-7892): refactor this to remove `_current_fork`
pub fn max_responses(&self, _current_fork: ForkName, spec: &ChainSpec) -> u64 {
match self {
RequestType::Status(_) => 1,
RequestType::Goodbye(_) => 0,
RequestType::BlocksByRange(req) => *req.count(),
RequestType::BlocksByRoot(req) => req.block_roots().len() as u64,
RequestType::BlobsByRange(req) => req.max_blobs_requested(current_fork, spec),
RequestType::BlobsByRange(req) => {
req.max_blobs_requested(Slot::new(req.start_slot).epoch(E::slots_per_epoch()), spec)
}
RequestType::BlobsByRoot(req) => req.blob_ids.len() as u64,
RequestType::DataColumnsByRoot(req) => req.max_requested() as u64,
RequestType::DataColumnsByRange(req) => req.max_requested::<E>(),