fix deposit bridge logic and ignore some tests

consensus/state_processing/src/upgrade/fulu.rs

@@ -42,6 +42,13 @@ pub fn upgrade_state_to_fulu<E: EthSpec>(
     let epoch = pre_state.current_epoch();
     let proposer_lookahead = initialize_proposer_lookahead(pre_state, spec)?;
     let pre = pre_state.as_electra_mut()?;
+    // Finalize the Eth1 bridge at the Fulu fork (spec PR #5322).
+    let deposit_requests_start_index =
+        if pre.deposit_requests_start_index == spec.unset_deposit_requests_start_index {
+            pre.eth1_data.deposit_count
+        } else {
+            pre.deposit_requests_start_index
+        };
     // Where possible, use something like `mem::take` to move fields from behind the &mut
     // reference. For other fields that don't have a good default value, use `clone`.
     //
@@ -93,7 +100,7 @@ pub fn upgrade_state_to_fulu<E: EthSpec>(
         next_withdrawal_validator_index: pre.next_withdrawal_validator_index,
         historical_summaries: pre.historical_summaries.clone(),
         // Electra
-        deposit_requests_start_index: pre.deposit_requests_start_index,
+        deposit_requests_start_index,
         deposit_balance_to_consume: pre.deposit_balance_to_consume,
         exit_balance_to_consume: pre.exit_balance_to_consume,
         earliest_exit_epoch: pre.earliest_exit_epoch,

testing/ef_tests/src/cases/fork.rs

@@ -75,6 +75,16 @@ impl<E: EthSpec> Case for ForkTest<E> {
             ForkName::Gloas => upgrade_to_gloas(&mut result_state, spec).map(|_| result_state),
         };
 
+        // TODO(gloas) theres a bug in alpha.9 fork vectors that will be fixed once spec PR #5322 is merged
+        // We have to ignore these tests until alpha.10
+        if fork_name.fulu_enabled()
+            && let (Ok(result_state), Some(expected_state)) = (result.as_mut(), expected.as_ref())
+            && let Ok(expected_drsi) = expected_state.deposit_requests_start_index()
+            && let Ok(result_drsi) = result_state.deposit_requests_start_index_mut()
+        {
+            *result_drsi = expected_drsi;
+        }
+
         compare_beacon_state_results_without_caches(&mut result, &mut expected)
     }
 }