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Gloas set AttestationData.index (#9100)

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For gloas `attestation.data.index` should be set to 1 if we are attesting to a block whose slot is not the attestation duty slot and slot payload_status is `FULL`


  


Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>

Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>

Co-Authored-By: dapplion <35266934+dapplion@users.noreply.github.com>
This commit is contained in:
Eitan Seri-Levi
2026-04-26 15:40:22 +02:00
committed by GitHub
parent 6323cd3827
commit 276c4d5ff3
6 changed files with 209 additions and 23 deletions
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13
beacon_node/beacon_chain/src/early_attester_cache.rs
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@@ -165,6 +165,12 @@ impl<E: EthSpec> EarlyAttesterCache<E> {
/// - There is a cache `item` present.
/// - If `request_slot` is in the same epoch as `item.epoch`.
/// - If `request_index` does not exceed `item.committee_count`.
///
/// Post gloas an additional condition must be met:
/// - `request_slot` is the same slot as `item.block.slot` (i.e. a same slot attestation).
///
/// Non-same-slot Gloas attestations need `data.index` set from the canonical payload
/// status, which the cache doesn't track. Returning `None` falls through to fork choice.
#[instrument(skip_all, fields(%request_slot, %request_index), level = "debug")]
pub fn try_attest(
&self,
@@ -197,6 +203,12 @@ impl<E: EthSpec> EarlyAttesterCache<E> {
item.committee_lengths
.get_committee_length::<E>(request_slot, request_index, spec)?;
let is_same_slot_attestation = request_slot == item.block.slot();
if spec.fork_name_at_slot::<E>(request_slot).gloas_enabled() && !is_same_slot_attestation {
return Ok(None);
}
let payload_present = false;
let attestation = Attestation::empty_for_signing(
request_index,
committee_len,
@@ -204,6 +216,7 @@ impl<E: EthSpec> EarlyAttesterCache<E> {
item.beacon_block_root,
item.source,
item.target,
payload_present,
spec,
)
.map_err(Error::AttestationError)?;