ssz interop write: only capture invalid block

beacon-chain/core/transition/BUILD.bazel

@@ -24,7 +24,6 @@ go_library(
         "//beacon-chain/core/execution:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/time:go_default_library",
-        "//beacon-chain/core/transition/interop:go_default_library",
         "//beacon-chain/core/validators:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",

beacon-chain/core/transition/transition_no_verify_sig.go

@@ -8,7 +8,6 @@ import (
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/altair"
 	b "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/transition/interop"
 	v "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/validators"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
 	field_params "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
@@ -58,9 +57,6 @@ func ExecuteStateTransitionNoVerifyAnySig(
 	defer span.End()
 	var err error
 
-	interop.WriteBlockToDisk(signed, false /* Has the block failed */)
-	interop.WriteStateToDisk(st)
-
 	parentRoot := signed.Block().ParentRoot()
 	st, err = ProcessSlotsUsingNextSlotCache(ctx, st, parentRoot[:], signed.Block().Slot())
 	if err != nil {

config/features/flags.go

@@ -40,7 +40,7 @@ var (
 	}
 	writeSSZStateTransitionsFlag = &cli.BoolFlag{
 		Name:  "interop-write-ssz-state-transitions",
-		Usage: "Writes SSZ states to disk after attempted state transitio.",
+		Usage: "Writes failed SSZ block to disk after attempted importing block and state transition.",
 	}
 	disableGRPCConnectionLogging = &cli.BoolFlag{
 		Name:  "disable-grpc-connection-logging",