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When a block comes in whose parent is unkown, queue the block for processing and lookup the parent envelope

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This commit is contained in:
Eitan Seri- Levi
2026-03-26 23:40:35 -07:00
parent e1a2cfe202
commit 09e9a54314
14 changed files with 608 additions and 43 deletions
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21
beacon_node/beacon_chain/src/block_verification.rs
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@@ -321,6 +321,13 @@ pub enum BlockError {
bid_parent_root: Hash256,
block_parent_root: Hash256,
},
/// The parent block is known but its execution payload envelope has not been received yet.
///
/// ## Peer scoring
///
/// It's unclear if this block is valid, but it cannot be fully verified without the parent's
/// execution payload envelope.
ParentEnvelopeUnknown { parent_root: Hash256 },
}
/// Which specific signature(s) are invalid in a SignedBeaconBlock
@@ -1939,13 +1946,13 @@ fn load_parent<T: BeaconChainTypes, B: AsBlock<T::EthSpec>>(
&& let Ok(parent_bid_block_hash) = parent_block.payload_bid_block_hash()
{
if block.as_block().is_parent_block_full(parent_bid_block_hash) {
// TODO(gloas): loading the envelope here is not very efficient
// TODO(gloas): check parent payload existence prior to this point?
let envelope = chain.store.get_payload_envelope(&root)?.ok_or_else(|| {
BeaconChainError::DBInconsistent(format!(
"Missing envelope for parent block {root:?}",
))
})?;
// If the parent's execution payload envelope hasn't arrived yet,
// return an unknown parent error so the block gets sent to the
// reprocess queue.
let envelope = chain
.store
.get_payload_envelope(&root)?
.ok_or(BlockError::ParentEnvelopeUnknown { parent_root: root })?;
(StatePayloadStatus::Full, envelope.message.state_root)
} else {
(StatePayloadStatus::Pending, parent_block.state_root())