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Safeguard attestation index check

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This commit is contained in:
Michael Sproul
2026-03-26 10:57:37 +11:00
parent a69a848590
commit f1b261f336
1 changed files with 6 additions and 3 deletions
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9
consensus/fork_choice/src/fork_choice.rs
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@@ -1285,7 +1285,7 @@ where
// 2. Ignore all attestations to the zero hash. // 2. Ignore all attestations to the zero hash.
// //
// (1) becomes weird once we hit finality and fork choice drops the genesis block. (2) is // (1) becomes weird once we hit finality and fork choice drops the genesis block. (2) is
// fine because votes to the genesis block are not useful; all validators implicitly attest // fine because votes.gloas_enabled() to the genesis block are not useful; all validators implicitly attest
// to genesis just by being present in the chain. // to genesis just by being present in the chain.
if attestation.data().beacon_block_root == Hash256::zero() { if attestation.data().beacon_block_root == Hash256::zero() {
return Ok(()); return Ok(());
@@ -1293,8 +1293,11 @@ where
self.validate_on_attestation(attestation, is_from_block, spec)?; self.validate_on_attestation(attestation, is_from_block, spec)?;
// Per GLOAS spec: `payload_present = attestation.data.index == 1`. // Per Gloas spec: `payload_present = attestation.data.index == 1`.
let payload_present = attestation.data().index == 1; let payload_present = spec
.fork_name_at_slot::<E>(attestation.data().slot)
.gloas_enabled()
&& attestation.data().index == 1;
if attestation.data().slot < self.fc_store.get_current_slot() { if attestation.data().slot < self.fc_store.get_current_slot() {
for validator_index in attestation.attesting_indices_iter() { for validator_index in attestation.attesting_indices_iter() {