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bitfield for PTC votes

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This commit is contained in:
hopinheimer
2026-03-16 02:30:35 -04:00
parent d89e7f78bb
commit f747696113
7 changed files with 235 additions and 236 deletions
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26
consensus/fork_choice/src/fork_choice.rs
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@@ -275,7 +275,8 @@ impl<'a, E: EthSpec> From<IndexedAttestationRef<'a, E>> for QueuedAttestation {
#[derive(Clone, PartialEq, Encode, Decode)]
pub struct QueuedPayloadAttestation {
slot: Slot,
attesting_indices: Vec<u64>,
/// Resolved PTC committee positions (not validator indices).
ptc_indices: Vec<usize>,
block_root: Hash256,
payload_present: bool,
blob_data_available: bool,
@@ -1267,11 +1268,16 @@ where
}
/// Register a payload attestation with the fork choice DAG.
///
/// `ptc` is the PTC committee for the attestation's slot: a list of validator indices
/// ordered by committee position. Each attesting validator index is resolved to its
/// position within `ptc` (its `ptc_index`) before being applied to the proto-array.
pub fn on_payload_attestation(
&mut self,
system_time_current_slot: Slot,
attestation: &IndexedPayloadAttestation<E>,
is_from_block: bool,
ptc: &[usize],
) -> Result<(), Error<T::Error>> {
self.update_time(system_time_current_slot)?;
@@ -1281,6 +1287,12 @@ where
self.validate_on_payload_attestation(attestation, is_from_block)?;
// Resolve validator indices to PTC committee positions.
let ptc_indices: Vec<usize> = attestation
.attesting_indices_iter()
.filter_map(|vi| ptc.iter().position(|&p| p == *vi as usize))
.collect();
let processing_slot = self.fc_store.get_current_slot();
// Payload attestations from blocks can be applied in the next slot (S+1 for data.slot=S),
// while gossiped payload attestations are delayed one extra slot.
@@ -1291,11 +1303,10 @@ where
};
if should_process_now {
for validator_index in attestation.attesting_indices_iter() {
for &ptc_index in &ptc_indices {
self.proto_array.process_payload_attestation(
*validator_index as usize,
attestation.data.beacon_block_root,
processing_slot,
ptc_index,
attestation.data.payload_present,
attestation.data.blob_data_available,
)?;
@@ -1304,7 +1315,7 @@ where
self.queued_payload_attestations
.push(QueuedPayloadAttestation {
slot: attestation.data.slot,
attesting_indices: attestation.attesting_indices.iter().copied().collect(),
ptc_indices,
block_root: attestation.data.beacon_block_root,
payload_present: attestation.data.payload_present,
blob_data_available: attestation.data.blob_data_available,
@@ -1436,11 +1447,10 @@ where
for attestation in
dequeue_payload_attestations(current_slot, &mut self.queued_payload_attestations)
{
for validator_index in attestation.attesting_indices.iter() {
for &ptc_index in &attestation.ptc_indices {
self.proto_array.process_payload_attestation(
*validator_index as usize,
attestation.block_root,
current_slot,
ptc_index,
attestation.payload_present,
attestation.blob_data_available,
)?;