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parent blob lookups

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This commit is contained in:
realbigsean
2023-04-20 19:42:33 -04:00
parent 0cc1704edf
commit bacec52017
7 changed files with 158 additions and 52 deletions
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30
beacon_node/beacon_chain/src/blob_verification.rs
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@@ -14,16 +14,16 @@ use crate::data_availability_checker::{
use crate::kzg_utils::{validate_blob, validate_blobs};
use crate::BeaconChainError;
use kzg::Kzg;
use types::blob_sidecar::BlobIdentifier;
use std::borrow::Cow;
use types::blob_sidecar::BlobIdentifier;
use types::{
BeaconBlockRef, BeaconState, BeaconStateError, BlobSidecar, ChainSpec,
CloneConfig, Epoch, EthSpec, Hash256, KzgCommitment, RelativeEpoch, SignedBeaconBlock,
SignedBeaconBlockHeader, SignedBlobSidecar, Slot,
BeaconBlockRef, BeaconState, BeaconStateError, BlobSidecar, ChainSpec, CloneConfig, Epoch,
EthSpec, Hash256, KzgCommitment, RelativeEpoch, SignedBeaconBlock, SignedBeaconBlockHeader,
SignedBlobSidecar, Slot,
};
#[derive(Debug)]
pub enum BlobError {
pub enum BlobError<T: EthSpec> {
/// The blob sidecar is from a slot that is later than the current slot (with respect to the
/// gossip clock disparity).
///
@@ -95,10 +95,7 @@ pub enum BlobError {
/// ## Peer scoring
///
/// We cannot process the blob without validating its parent, the peer isn't necessarily faulty.
BlobParentUnknown {
blob_root: Hash256,
blob_parent_root: Hash256,
},
BlobParentUnknown(Arc<BlobSidecar<T>>),
/// A blob has already been seen for the given `(sidecar.block_root, sidecar.index)` tuple
/// over gossip or no gossip sources.
@@ -113,13 +110,13 @@ pub enum BlobError {
},
}
impl From<BeaconChainError> for BlobError {
impl<T: EthSpec> From<BeaconChainError> for BlobError<T> {
fn from(e: BeaconChainError) -> Self {
BlobError::BeaconChainError(e)
}
}
impl From<BeaconStateError> for BlobError {
impl<T: EthSpec> From<BeaconStateError> for BlobError<T> {
fn from(e: BeaconStateError) -> Self {
BlobError::BeaconChainError(BeaconChainError::BeaconStateError(e))
}
@@ -127,7 +124,7 @@ impl From<BeaconStateError> for BlobError {
/// A wrapper around a `BlobSidecar` that indicates it has been approved for re-gossiping on
/// the p2p network.
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct GossipVerifiedBlob<T: EthSpec> {
blob: Arc<BlobSidecar<T>>,
}
@@ -151,7 +148,7 @@ pub fn validate_blob_sidecar_for_gossip<T: BeaconChainTypes>(
signed_blob_sidecar: SignedBlobSidecar<T::EthSpec>,
subnet: u64,
chain: &BeaconChain<T>,
) -> Result<GossipVerifiedBlob<T::EthSpec>, BlobError> {
) -> Result<GossipVerifiedBlob<T::EthSpec>, BlobError<T::EthSpec>> {
let blob_slot = signed_blob_sidecar.message.slot;
let blob_index = signed_blob_sidecar.message.index;
let block_root = signed_blob_sidecar.message.block_root;
@@ -219,10 +216,7 @@ pub fn validate_blob_sidecar_for_gossip<T: BeaconChainTypes>(
});
}
} else {
return Err(BlobError::BlobParentUnknown {
blob_root: block_root,
blob_parent_root: block_parent_root,
});
return Err(BlobError::BlobParentUnknown(signed_blob_sidecar.message));
}
// Note: The spec checks the signature directly against `blob_sidecar.message.proposer_index`
@@ -359,7 +353,7 @@ fn cheap_state_advance_to_obtain_committees<'a, E: EthSpec>(
state_root_opt: Option<Hash256>,
blob_slot: Slot,
spec: &ChainSpec,
) -> Result<Cow<'a, BeaconState<E>>, BlobError> {
) -> Result<Cow<'a, BeaconState<E>>, BlobError<E>> {
let block_epoch = blob_slot.epoch(E::slots_per_epoch());
if state.current_epoch() == block_epoch {