Gloas alpha spec 8 (#9315)

https://github.com/ethereum/consensus-specs/releases/tag/v1.7.0-alpha.8


  


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

Co-Authored-By: Michael Sproul <michael@sigmaprime.io>

consensus/proto_array/src/error.rs

@@ -1,3 +1,4 @@
+use crate::PayloadStatus;
 use safe_arith::ArithError;
 use types::{Checkpoint, Epoch, ExecutionBlockHash, Hash256, Slot};
 
@@ -62,6 +63,10 @@ pub enum Error {
     },
     NoViableChildren,
     OnBlockRequiresProposerIndex,
+    InvalidPayloadStatus {
+        block_root: Hash256,
+        payload_status: PayloadStatus,
+    },
 }
 
 impl From<ArithError> for Error {