Investigate UnknownTargetRoot slasher errors (#5006)

Squashed commit of the following: commit 7adfecc Author: armaganyildirak <[email protected]> Date: Wed Dec 13 15:22:02 2023 -0500 Fix the UnknownTargetRoot
sigp · Jun 4, 2024 · 43c4c1f · 43c4c1f
1 parent c335a4d
commit 43c4c1f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/beacon_node/beacon_chain/src/attestation_verification.rs b/beacon_node/beacon_chain/src/attestation_verification.rs
@@ -381,6 +381,11 @@ fn process_slash_info<T: BeaconChainTypes>(
     if let Some(slasher) = chain.slasher.as_ref() {
         let (indexed_attestation, check_signature, err) = match slash_info {
             SignatureNotChecked(attestation, err) => {
+                if let Error::UnknownHeadBlock { .. } = err {
+                    if attestation.data.beacon_block_root == attestation.data.target.root {
+                        return err;
+                    }
+                }
                 match obtain_indexed_attestation_and_committees_per_slot(chain, attestation) {
                     Ok((indexed, _)) => (indexed, true, err),
                     Err(e) => {