Copy validator but obv not going to do this

Add value for MaxBuilderEpochMissedSlots (#14334 )
* add value for MaxBuilderEpochMissedSlots * make usage for MaxBuilderEpochMisedSlots more friendly --------- Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com> Co-authored-by: james-prysm <90280386+james-prysm@users.noreply.github.com>
2026-01-10 05:47:59 -05:00 · 2024-09-01 08:02:41 -07:00 · 2024-08-30 15:08:50 +00:00 · 2024-08-29 20:42:32 +00:00 · 2024-08-29 15:57:21 +00:00
18 changed files with 1526 additions and 1449 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve

 ### Deprecated

+- `--enable-experimental-state` flag is deprecated. This feature is now on by default. Opt-out with `--disable-experimental-state`.

 ### Removed

--- a/api/server/structs/endpoints_lightclient.go
+++ b/api/server/structs/endpoints_lightclient.go
@@ -16,9 +16,9 @@ type LightClientBootstrap struct {
 }

 type LightClientUpdate struct {
-	AttestedHeader          *BeaconBlockHeader `json:"attested_header"`
+	AttestedHeader          *LightClientHeader `json:"attested_header"`
 	NextSyncCommittee       *SyncCommittee     `json:"next_sync_committee,omitempty"`
-	FinalizedHeader         *BeaconBlockHeader `json:"finalized_header,omitempty"`
+	FinalizedHeader         *LightClientHeader `json:"finalized_header,omitempty"`
 	SyncAggregate           *SyncAggregate     `json:"sync_aggregate"`
 	NextSyncCommitteeBranch []string           `json:"next_sync_committee_branch,omitempty"`
 	FinalityBranch          []string           `json:"finality_branch,omitempty"`
--- a/beacon-chain/core/light-client/BUILD.bazel
+++ b/beacon-chain/core/light-client/BUILD.bazel
@@ -24,7 +24,7 @@ go_test(
        ":go_default_library",
        "//config/params:go_default_library",
        "//consensus-types/primitives:go_default_library",
-        "//proto/eth/v1:go_default_library",
+        "//proto/eth/v2:go_default_library",
        "//testing/require:go_default_library",
        "//testing/util:go_default_library",
    ],
--- a/beacon-chain/core/light-client/lightclient.go
+++ b/beacon-chain/core/light-client/lightclient.go
@@ -131,13 +131,16 @@ func NewLightClientOptimisticUpdateFromBeaconState(
 	}

 	// Return result
-	attestedHeaderResult := &ethpbv1.BeaconBlockHeader{
-		Slot:          attestedHeader.Slot,
-		ProposerIndex: attestedHeader.ProposerIndex,
-		ParentRoot:    attestedHeader.ParentRoot,
-		StateRoot:     attestedHeader.StateRoot,
-		BodyRoot:      attestedHeader.BodyRoot,
-	}
+	attestedHeaderResult :=
+		&ethpbv2.LightClientHeader{
+			Beacon: &ethpbv1.BeaconBlockHeader{
+				Slot:          attestedHeader.Slot,
+				ProposerIndex: attestedHeader.ProposerIndex,
+				ParentRoot:    attestedHeader.ParentRoot,
+				StateRoot:     attestedHeader.StateRoot,
+				BodyRoot:      attestedHeader.BodyRoot,
+			},
+		}

 	syncAggregateResult := &ethpbv1.SyncAggregate{
 		SyncCommitteeBits:      syncAggregate.SyncCommitteeBits,
@@ -170,7 +173,7 @@ func NewLightClientFinalityUpdateFromBeaconState(
 	}

 	// Indicate finality whenever possible
-	var finalizedHeader *ethpbv1.BeaconBlockHeader
+	var finalizedHeader *ethpbv2.LightClientHeader
 	var finalityBranch [][]byte

 	if finalizedBlock != nil && !finalizedBlock.IsNil() {
@@ -179,9 +182,9 @@ func NewLightClientFinalityUpdateFromBeaconState(
 			if err != nil {
 				return nil, fmt.Errorf("could not get finalized header %w", err)
 			}
-			finalizedHeader = migration.V1Alpha1SignedHeaderToV1(tempFinalizedHeader).GetMessage()
+			finalizedHeader = &ethpbv2.LightClientHeader{Beacon: migration.V1Alpha1SignedHeaderToV1(tempFinalizedHeader).GetMessage()}

-			finalizedHeaderRoot, err := finalizedHeader.HashTreeRoot()
+			finalizedHeaderRoot, err := finalizedHeader.Beacon.HashTreeRoot()
 			if err != nil {
 				return nil, fmt.Errorf("could not get finalized header root %w", err)
 			}
@@ -194,13 +197,13 @@ func NewLightClientFinalityUpdateFromBeaconState(
 				return nil, fmt.Errorf("invalid finalized header root %v", attestedState.FinalizedCheckpoint().Root)
 			}

-			finalizedHeader = &ethpbv1.BeaconBlockHeader{
+			finalizedHeader = &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 				Slot:          0,
 				ProposerIndex: 0,
 				ParentRoot:    make([]byte, 32),
 				StateRoot:     make([]byte, 32),
 				BodyRoot:      make([]byte, 32),
-			}
+			}}
 		}

 		var bErr error
@@ -209,13 +212,13 @@ func NewLightClientFinalityUpdateFromBeaconState(
 			return nil, fmt.Errorf("could not get finalized root proof %w", bErr)
 		}
 	} else {
-		finalizedHeader = &ethpbv1.BeaconBlockHeader{
+		finalizedHeader = &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 			Slot:          0,
 			ProposerIndex: 0,
 			ParentRoot:    make([]byte, 32),
 			StateRoot:     make([]byte, 32),
 			BodyRoot:      make([]byte, 32),
-		}
+		}}

 		finalityBranch = make([][]byte, FinalityBranchNumOfLeaves)
 		for i := 0; i < FinalityBranchNumOfLeaves; i++ {
--- a/beacon-chain/core/light-client/lightclient_test.go
+++ b/beacon-chain/core/light-client/lightclient_test.go
@@ -6,10 +6,9 @@ import (
 	lightClient "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/light-client"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
+	v2 "github.com/prysmaticlabs/prysm/v5/proto/eth/v2"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
 	"github.com/prysmaticlabs/prysm/v5/testing/util"
-
-	v1 "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
 )

 func TestLightClient_NewLightClientOptimisticUpdateFromBeaconState(t *testing.T) {
@@ -24,7 +23,7 @@ func TestLightClient_NewLightClientOptimisticUpdateFromBeaconState(t *testing.T)
 	l.CheckSyncAggregate(update)
 	l.CheckAttestedHeader(update)

-	require.Equal(t, (*v1.BeaconBlockHeader)(nil), update.FinalizedHeader, "Finalized header is not nil")
+	require.Equal(t, (*v2.LightClientHeader)(nil), update.FinalizedHeader, "Finalized header is not nil")
 	require.DeepSSZEqual(t, ([][]byte)(nil), update.FinalityBranch, "Finality branch is not nil")
 }

@@ -42,11 +41,11 @@ func TestLightClient_NewLightClientFinalityUpdateFromBeaconState(t *testing.T) {

 	zeroHash := params.BeaconConfig().ZeroHash[:]
 	require.NotNil(t, update.FinalizedHeader, "Finalized header is nil")
-	require.Equal(t, primitives.Slot(0), update.FinalizedHeader.Slot, "Finalized header slot is not zero")
-	require.Equal(t, primitives.ValidatorIndex(0), update.FinalizedHeader.ProposerIndex, "Finalized header proposer index is not zero")
-	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.ParentRoot, "Finalized header parent root is not zero")
-	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.StateRoot, "Finalized header state root is not zero")
-	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.BodyRoot, "Finalized header body root is not zero")
+	require.Equal(t, primitives.Slot(0), update.FinalizedHeader.Beacon.Slot, "Finalized header slot is not zero")
+	require.Equal(t, primitives.ValidatorIndex(0), update.FinalizedHeader.Beacon.ProposerIndex, "Finalized header proposer index is not zero")
+	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.Beacon.ParentRoot, "Finalized header parent root is not zero")
+	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.Beacon.StateRoot, "Finalized header state root is not zero")
+	require.DeepSSZEqual(t, zeroHash, update.FinalizedHeader.Beacon.BodyRoot, "Finalized header body root is not zero")
 	require.Equal(t, lightClient.FinalityBranchNumOfLeaves, len(update.FinalityBranch), "Invalid finality branch leaves")
 	for _, leaf := range update.FinalityBranch {
 		require.DeepSSZEqual(t, zeroHash, leaf, "Leaf is not zero")
--- a/beacon-chain/rpc/eth/events/events.go
+++ b/beacon-chain/rpc/eth/events/events.go
@@ -310,17 +310,17 @@ func (s *Server) handleStateEvents(ctx context.Context, w http.ResponseWriter, f
 			Version: version.String(int(updateData.Version)),
 			Data: &structs.LightClientFinalityUpdate{
 				AttestedHeader: &structs.BeaconBlockHeader{
-					Slot:          fmt.Sprintf("%d", updateData.Data.AttestedHeader.Slot),
-					ProposerIndex: fmt.Sprintf("%d", updateData.Data.AttestedHeader.ProposerIndex),
-					ParentRoot:    hexutil.Encode(updateData.Data.AttestedHeader.ParentRoot),
-					StateRoot:     hexutil.Encode(updateData.Data.AttestedHeader.StateRoot),
-					BodyRoot:      hexutil.Encode(updateData.Data.AttestedHeader.BodyRoot),
+					Slot:          fmt.Sprintf("%d", updateData.Data.AttestedHeader.Beacon.Slot),
+					ProposerIndex: fmt.Sprintf("%d", updateData.Data.AttestedHeader.Beacon.ProposerIndex),
+					ParentRoot:    hexutil.Encode(updateData.Data.AttestedHeader.Beacon.ParentRoot),
+					StateRoot:     hexutil.Encode(updateData.Data.AttestedHeader.Beacon.StateRoot),
+					BodyRoot:      hexutil.Encode(updateData.Data.AttestedHeader.Beacon.BodyRoot),
 				},
 				FinalizedHeader: &structs.BeaconBlockHeader{
-					Slot:          fmt.Sprintf("%d", updateData.Data.FinalizedHeader.Slot),
-					ProposerIndex: fmt.Sprintf("%d", updateData.Data.FinalizedHeader.ProposerIndex),
-					ParentRoot:    hexutil.Encode(updateData.Data.FinalizedHeader.ParentRoot),
-					StateRoot:     hexutil.Encode(updateData.Data.FinalizedHeader.StateRoot),
+					Slot:          fmt.Sprintf("%d", updateData.Data.FinalizedHeader.Beacon.Slot),
+					ProposerIndex: fmt.Sprintf("%d", updateData.Data.FinalizedHeader.Beacon.ProposerIndex),
+					ParentRoot:    hexutil.Encode(updateData.Data.FinalizedHeader.Beacon.ParentRoot),
+					StateRoot:     hexutil.Encode(updateData.Data.FinalizedHeader.Beacon.StateRoot),
 				},
 				FinalityBranch: finalityBranch,
 				SyncAggregate: &structs.SyncAggregate{
@@ -343,11 +343,11 @@ func (s *Server) handleStateEvents(ctx context.Context, w http.ResponseWriter, f
 			Version: version.String(int(updateData.Version)),
 			Data: &structs.LightClientOptimisticUpdate{
 				AttestedHeader: &structs.BeaconBlockHeader{
-					Slot:          fmt.Sprintf("%d", updateData.Data.AttestedHeader.Slot),
-					ProposerIndex: fmt.Sprintf("%d", updateData.Data.AttestedHeader.ProposerIndex),
-					ParentRoot:    hexutil.Encode(updateData.Data.AttestedHeader.ParentRoot),
-					StateRoot:     hexutil.Encode(updateData.Data.AttestedHeader.StateRoot),
-					BodyRoot:      hexutil.Encode(updateData.Data.AttestedHeader.BodyRoot),
+					Slot:          fmt.Sprintf("%d", updateData.Data.AttestedHeader.Beacon.Slot),
+					ProposerIndex: fmt.Sprintf("%d", updateData.Data.AttestedHeader.Beacon.ProposerIndex),
+					ParentRoot:    hexutil.Encode(updateData.Data.AttestedHeader.Beacon.ParentRoot),
+					StateRoot:     hexutil.Encode(updateData.Data.AttestedHeader.Beacon.StateRoot),
+					BodyRoot:      hexutil.Encode(updateData.Data.AttestedHeader.Beacon.BodyRoot),
 				},
 				SyncAggregate: &structs.SyncAggregate{
 					SyncCommitteeBits:      hexutil.Encode(updateData.Data.SyncAggregate.SyncCommitteeBits),
--- a/beacon-chain/rpc/eth/light-client/handlers_test.go
+++ b/beacon-chain/rpc/eth/light-client/handlers_test.go
@@ -175,7 +175,7 @@ func TestLightClientHandler_GetLightClientUpdatesByRange(t *testing.T) {
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	require.Equal(t, 1, len(resp))
 	require.Equal(t, "capella", resp[0].Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp)
 }

@@ -278,7 +278,7 @@ func TestLightClientHandler_GetLightClientUpdatesByRange_TooBigInputCount(t *tes
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	require.Equal(t, 1, len(resp)) // Even with big count input, the response is still the max available period, which is 1 in test case.
 	require.Equal(t, "capella", resp[0].Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp)
 }

@@ -381,7 +381,7 @@ func TestLightClientHandler_GetLightClientUpdatesByRange_TooEarlyPeriod(t *testi
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	require.Equal(t, 1, len(resp))
 	require.Equal(t, "capella", resp[0].Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp)
 }

@@ -484,7 +484,7 @@ func TestLightClientHandler_GetLightClientUpdatesByRange_TooBigCount(t *testing.
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	require.Equal(t, 1, len(resp))
 	require.Equal(t, "capella", resp[0].Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp[0].Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp)
 }

@@ -687,7 +687,7 @@ func TestLightClientHandler_GetLightClientFinalityUpdate(t *testing.T) {
 	resp := &structs.LightClientUpdateWithVersion{}
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 	require.Equal(t, "capella", resp.Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp.Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp.Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp.Data)
 }

@@ -793,7 +793,7 @@ func TestLightClientHandler_GetLightClientOptimisticUpdate(t *testing.T) {
 	resp := &structs.LightClientUpdateWithVersion{}
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 	require.Equal(t, "capella", resp.Version)
-	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp.Data.AttestedHeader.BodyRoot)
+	require.Equal(t, hexutil.Encode(attestedHeader.BodyRoot), resp.Data.AttestedHeader.Beacon.BodyRoot)
 	require.NotNil(t, resp.Data)
 }

--- a/beacon-chain/rpc/eth/light-client/helpers.go
+++ b/beacon-chain/rpc/eth/light-client/helpers.go
@@ -169,7 +169,7 @@ func createLightClientUpdate(
 	updateSignaturePeriod := slots.ToEpoch(block.Block().Slot())

 	// update_attested_period = compute_sync_committee_period(compute_epoch_at_slot(attested_header.slot))
-	updateAttestedPeriod := slots.ToEpoch(result.AttestedHeader.Slot)
+	updateAttestedPeriod := slots.ToEpoch(result.AttestedHeader.Beacon.Slot)

 	if updateAttestedPeriod == updateSignaturePeriod {
 		tempNextSyncCommittee, err := attestedState.NextSyncCommittee()
@@ -244,7 +244,7 @@ func NewLightClientBootstrapFromJSON(bootstrapJSON *structs.LightClientBootstrap
 	if err != nil {
 		return nil, err
 	}
-	bootstrap.Header = migration.V1Alpha1HeaderToV1(v1Alpha1Header)
+	bootstrap.Header = &v2.LightClientHeader{Beacon: migration.V1Alpha1HeaderToV1(v1Alpha1Header)}

 	currentSyncCommittee, err := bootstrapJSON.CurrentSyncCommittee.ToConsensus()
 	if err != nil {
@@ -303,14 +303,14 @@ func newLightClientUpdateToJSON(input *v2.LightClientUpdate) *structs.LightClien

 	var finalizedHeader *structs.BeaconBlockHeader
 	if input.FinalizedHeader != nil {
-		finalizedHeader = structs.BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(input.FinalizedHeader))
+		finalizedHeader = structs.BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(input.FinalizedHeader.Beacon))
 	}

 	return &structs.LightClientUpdate{
-		AttestedHeader:          structs.BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(input.AttestedHeader)),
+		AttestedHeader:          &structs.LightClientHeader{Beacon: structs.BeaconBlockHeaderFromConsensus(migration.V1HeaderToV1Alpha1(input.AttestedHeader.Beacon))},
 		NextSyncCommittee:       nextSyncCommittee,
 		NextSyncCommitteeBranch: branchToJSON(input.NextSyncCommitteeBranch),
-		FinalizedHeader:         finalizedHeader,
+		FinalizedHeader:         &structs.LightClientHeader{Beacon: finalizedHeader},
 		FinalityBranch:          branchToJSON(input.FinalityBranch),
 		SyncAggregate:           syncAggregateToJSON(input.SyncAggregate),
 		SignatureSlot:           strconv.FormatUint(uint64(input.SignatureSlot), 10),
@@ -342,8 +342,8 @@ func IsBetterUpdate(newUpdate, oldUpdate *v2.LightClientUpdate) bool {
 	}

 	// Compare presence of relevant sync committee
-	newHasRelevantSyncCommittee := IsSyncCommitteeUpdate(newUpdate) && (slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.AttestedHeader.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.SignatureSlot)))
-	oldHasRelevantSyncCommittee := IsSyncCommitteeUpdate(oldUpdate) && (slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.AttestedHeader.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.SignatureSlot)))
+	newHasRelevantSyncCommittee := IsSyncCommitteeUpdate(newUpdate) && (slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.AttestedHeader.Beacon.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.SignatureSlot)))
+	oldHasRelevantSyncCommittee := IsSyncCommitteeUpdate(oldUpdate) && (slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.AttestedHeader.Beacon.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.SignatureSlot)))

 	if newHasRelevantSyncCommittee != oldHasRelevantSyncCommittee {
 		return newHasRelevantSyncCommittee
@@ -358,8 +358,8 @@ func IsBetterUpdate(newUpdate, oldUpdate *v2.LightClientUpdate) bool {

 	// Compare sync committee finality
 	if newHasFinality {
-		newHasSyncCommitteeFinality := slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.FinalizedHeader.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.AttestedHeader.Slot))
-		oldHasSyncCommitteeFinality := slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.FinalizedHeader.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.AttestedHeader.Slot))
+		newHasSyncCommitteeFinality := slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.FinalizedHeader.Beacon.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(newUpdate.AttestedHeader.Beacon.Slot))
+		oldHasSyncCommitteeFinality := slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.FinalizedHeader.Beacon.Slot)) == slots.SyncCommitteePeriod(slots.ToEpoch(oldUpdate.AttestedHeader.Beacon.Slot))

 		if newHasSyncCommitteeFinality != oldHasSyncCommitteeFinality {
 			return newHasSyncCommitteeFinality
@@ -372,8 +372,8 @@ func IsBetterUpdate(newUpdate, oldUpdate *v2.LightClientUpdate) bool {
 	}

 	// Tiebreaker 2: Prefer older data (fewer changes to best)
-	if newUpdate.AttestedHeader.Slot != oldUpdate.AttestedHeader.Slot {
-		return newUpdate.AttestedHeader.Slot < oldUpdate.AttestedHeader.Slot
+	if newUpdate.AttestedHeader.Beacon.Slot != oldUpdate.AttestedHeader.Beacon.Slot {
+		return newUpdate.AttestedHeader.Beacon.Slot < oldUpdate.AttestedHeader.Beacon.Slot
 	}
 	return newUpdate.SignatureSlot < oldUpdate.SignatureSlot
 }
--- a/beacon-chain/rpc/eth/light-client/helpers_test.go
+++ b/beacon-chain/rpc/eth/light-client/helpers_test.go
@@ -94,9 +94,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: make([][]byte, fieldparams.NextSyncCommitteeBranchDepth),
 				SignatureSlot:           9999,
 			},
@@ -104,9 +104,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000001,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           1000000,
 			},
@@ -118,9 +118,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000001,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           1000000,
 			},
@@ -128,9 +128,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: make([][]byte, fieldparams.NextSyncCommitteeBranchDepth),
 				SignatureSlot:           9999,
 			},
@@ -142,9 +142,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          make([][]byte, lightclient.FinalityBranchNumOfLeaves),
@@ -153,9 +153,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
@@ -168,9 +168,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
@@ -179,9 +179,9 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          make([][]byte, lightclient.FinalityBranchNumOfLeaves),
@@ -194,29 +194,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           999999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 999999,
-				},
+				}},
 			},
 			expectedResult: true,
 		},
@@ -226,29 +226,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           999999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 999999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: false,
 		},
@@ -258,29 +258,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b01111100, 0b1}, // [0,1,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: true,
 		},
@@ -290,29 +290,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b01111100, 0b1}, // [0,1,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: false,
 		},
@@ -322,29 +322,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 999999,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: true,
 		},
@@ -354,61 +354,61 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 999999,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: false,
 		},
 		{
-			name: "none of the above conditions are met and new signature's slot is lesser than old signature's slot",
+			name: "none of the above conditions are met and new signature's slot is less than old signature's slot",
 			oldUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9998,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: true,
 		},
@@ -418,29 +418,29 @@ func TestIsBetterUpdate(t *testing.T) {
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9998,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			newUpdate: &ethpbv2.LightClientUpdate{
 				SyncAggregate: &ethpbv1.SyncAggregate{
 					SyncCommitteeBits: []byte{0b00111100, 0b1}, // [0,0,1,1,1,1,0,0]
 				},
-				AttestedHeader: &ethpbv1.BeaconBlockHeader{
+				AttestedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 1000000,
-				},
+				}},
 				NextSyncCommitteeBranch: createNonEmptySyncCommitteeBranch(),
 				SignatureSlot:           9999,
 				FinalityBranch:          createNonEmptyFinalityBranch(),
-				FinalizedHeader: &ethpbv1.BeaconBlockHeader{
+				FinalizedHeader: &ethpbv2.LightClientHeader{Beacon: &ethpbv1.BeaconBlockHeader{
 					Slot: 9999,
-				},
+				}},
 			},
 			expectedResult: false,
 		},
--- a/beacon-chain/state/state-native/state_trie.go
+++ b/beacon-chain/state/state-native/state_trie.go
@@ -892,7 +892,7 @@ func (b *BeaconState) Copy() state.BeaconState {
 		balancesMultiValue:         b.balancesMultiValue,
 		historicalRoots:            b.historicalRoots,
 		historicalSummaries:        b.historicalSummaries,
-		validators:                 b.validators,
+		validators:                 b.validatorsVal(),
 		validatorsMultiValue:       b.validatorsMultiValue,
 		previousEpochParticipation: b.previousEpochParticipation,
 		currentEpochParticipation:  b.currentEpochParticipation,
--- a/cmd/beacon-chain/flags/base.go
+++ b/cmd/beacon-chain/flags/base.go
@@ -21,8 +21,9 @@ var (
 		Value: 3,
 	}
 	MaxBuilderEpochMissedSlots = &cli.IntFlag{
-		Name:  "max-builder-epoch-missed-slots",
-		Usage: "Number of total skip slot to fallback from using relay/builder to local execution engine for block construction in last epoch rolling window",
+		Name: "max-builder-epoch-missed-slots",
+		Usage: "Number of total skip slot to fallback from using relay/builder to local execution engine for block construction in last epoch rolling window. " +
+			"The values are on the basis of the networks and the default value for mainnet is 5.",
 	}
 	// LocalBlockValueBoost sets a percentage boost for local block construction while using a custom builder.
 	LocalBlockValueBoost = &cli.Uint64Flag{
--- a/config/features/config.go
+++ b/config/features/config.go
@@ -172,9 +172,10 @@ func ConfigureBeaconChain(ctx *cli.Context) error {
 		return err
 	}

-	if ctx.Bool(enableExperimentalState.Name) {
-		logEnabled(enableExperimentalState)
-		cfg.EnableExperimentalState = true
+	cfg.EnableExperimentalState = true
+	if ctx.Bool(disableExperimentalState.Name) {
+		logEnabled(disableExperimentalState)
+		cfg.EnableExperimentalState = false
 	}

 	if ctx.Bool(writeSSZStateTransitionsFlag.Name) {
--- a/config/features/deprecated_flags.go
+++ b/config/features/deprecated_flags.go
@@ -57,6 +57,11 @@ var (
 		Usage:  deprecatedUsage,
 		Hidden: true,
 	}
+	deprecatedEnableExperimentalState = &cli.BoolFlag{
+		Name:   "enable-experimental-state",
+		Usage:  deprecatedUsage,
+		Hidden: true,
+	}
 )

 // Deprecated flags for both the beacon node and validator client.
@@ -71,6 +76,7 @@ var deprecatedFlags = []cli.Flag{
 	deprecatedDisableEIP4881,
 	deprecatedVerboseSigVerification,
 	deprecatedEnableDebugRPCEndpoints,
+	deprecatedEnableExperimentalState,
 }

 // deprecatedBeaconFlags contains flags that are still used by other components
--- a/config/features/flags.go
+++ b/config/features/flags.go
@@ -28,9 +28,9 @@ var (
 		Name:  "dev",
 		Usage: "Enables experimental features still in development. These features may not be stable.",
 	}
-	enableExperimentalState = &cli.BoolFlag{
-		Name:  "enable-experimental-state",
-		Usage: "Turns on the latest and greatest (but potentially unstable) changes to the beacon state.",
+	disableExperimentalState = &cli.BoolFlag{
+		Name:  "disable-experimental-state",
+		Usage: "Turns off the latest and greatest changes to the beacon state. Disabling this is safe to do after the feature has been enabled.",
 	}
 	writeSSZStateTransitionsFlag = &cli.BoolFlag{
 		Name:  "interop-write-ssz-state-transitions",
@@ -174,7 +174,6 @@ var (

 // devModeFlags holds list of flags that are set when development mode is on.
 var devModeFlags = []cli.Flag{
-	enableExperimentalState,
 	backfill.EnableExperimentalBackfill,
 	EnableQUIC,
 }
@@ -201,7 +200,7 @@ var E2EValidatorFlags = []string{
 // BeaconChainFlags contains a list of all the feature flags that apply to the beacon-chain client.
 var BeaconChainFlags = append(deprecatedBeaconFlags, append(deprecatedFlags, []cli.Flag{
 	devModeFlag,
-	enableExperimentalState,
+	disableExperimentalState,
 	writeSSZStateTransitionsFlag,
 	saveInvalidBlockTempFlag,
 	saveInvalidBlobTempFlag,
--- a/proto/eth/v2/beacon_lightclient.pb.go
+++ b/proto/eth/v2/beacon_lightclient.pb.go
@@ -24,20 +24,67 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )

+type LightClientHeader struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Beacon *v1.BeaconBlockHeader `protobuf:"bytes,1,opt,name=beacon,proto3" json:"beacon,omitempty"`
+}
+
+func (x *LightClientHeader) Reset() {
+	*x = LightClientHeader{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *LightClientHeader) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LightClientHeader) ProtoMessage() {}
+
+func (x *LightClientHeader) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LightClientHeader.ProtoReflect.Descriptor instead.
+func (*LightClientHeader) Descriptor() ([]byte, []int) {
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *LightClientHeader) GetBeacon() *v1.BeaconBlockHeader {
+	if x != nil {
+		return x.Beacon
+	}
+	return nil
+}
+
 type LightClientBootstrap struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	Header                     *v1.BeaconBlockHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
-	CurrentSyncCommittee       *SyncCommittee        `protobuf:"bytes,2,opt,name=current_sync_committee,json=currentSyncCommittee,proto3" json:"current_sync_committee,omitempty"`
-	CurrentSyncCommitteeBranch [][]byte              `protobuf:"bytes,3,rep,name=current_sync_committee_branch,json=currentSyncCommitteeBranch,proto3" json:"current_sync_committee_branch,omitempty"`
+	Header                     *LightClientHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	CurrentSyncCommittee       *SyncCommittee     `protobuf:"bytes,2,opt,name=current_sync_committee,json=currentSyncCommittee,proto3" json:"current_sync_committee,omitempty"`
+	CurrentSyncCommitteeBranch [][]byte           `protobuf:"bytes,3,rep,name=current_sync_committee_branch,json=currentSyncCommitteeBranch,proto3" json:"current_sync_committee_branch,omitempty"`
 }

 func (x *LightClientBootstrap) Reset() {
 	*x = LightClientBootstrap{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[0]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -50,7 +97,7 @@ func (x *LightClientBootstrap) String() string {
 func (*LightClientBootstrap) ProtoMessage() {}

 func (x *LightClientBootstrap) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[0]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -63,10 +110,10 @@ func (x *LightClientBootstrap) ProtoReflect() protoreflect.Message {

 // Deprecated: Use LightClientBootstrap.ProtoReflect.Descriptor instead.
 func (*LightClientBootstrap) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{0}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{1}
 }

-func (x *LightClientBootstrap) GetHeader() *v1.BeaconBlockHeader {
+func (x *LightClientBootstrap) GetHeader() *LightClientHeader {
 	if x != nil {
 		return x.Header
 	}
@@ -92,10 +139,10 @@ type LightClientUpdate struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	AttestedHeader          *v1.BeaconBlockHeader                                             `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
+	AttestedHeader          *LightClientHeader                                                `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
 	NextSyncCommittee       *SyncCommittee                                                    `protobuf:"bytes,2,opt,name=next_sync_committee,json=nextSyncCommittee,proto3" json:"next_sync_committee,omitempty"`
 	NextSyncCommitteeBranch [][]byte                                                          `protobuf:"bytes,3,rep,name=next_sync_committee_branch,json=nextSyncCommitteeBranch,proto3" json:"next_sync_committee_branch,omitempty"`
-	FinalizedHeader         *v1.BeaconBlockHeader                                             `protobuf:"bytes,4,opt,name=finalized_header,json=finalizedHeader,proto3" json:"finalized_header,omitempty"`
+	FinalizedHeader         *LightClientHeader                                                `protobuf:"bytes,4,opt,name=finalized_header,json=finalizedHeader,proto3" json:"finalized_header,omitempty"`
 	FinalityBranch          [][]byte                                                          `protobuf:"bytes,5,rep,name=finality_branch,json=finalityBranch,proto3" json:"finality_branch,omitempty"`
 	SyncAggregate           *v1.SyncAggregate                                                 `protobuf:"bytes,6,opt,name=sync_aggregate,json=syncAggregate,proto3" json:"sync_aggregate,omitempty"`
 	SignatureSlot           github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.Slot `protobuf:"varint,7,opt,name=signature_slot,json=signatureSlot,proto3" json:"signature_slot,omitempty" cast-type:"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"`
@@ -104,7 +151,7 @@ type LightClientUpdate struct {
 func (x *LightClientUpdate) Reset() {
 	*x = LightClientUpdate{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[1]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -117,7 +164,7 @@ func (x *LightClientUpdate) String() string {
 func (*LightClientUpdate) ProtoMessage() {}

 func (x *LightClientUpdate) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[1]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -130,10 +177,10 @@ func (x *LightClientUpdate) ProtoReflect() protoreflect.Message {

 // Deprecated: Use LightClientUpdate.ProtoReflect.Descriptor instead.
 func (*LightClientUpdate) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{1}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{2}
 }

-func (x *LightClientUpdate) GetAttestedHeader() *v1.BeaconBlockHeader {
+func (x *LightClientUpdate) GetAttestedHeader() *LightClientHeader {
 	if x != nil {
 		return x.AttestedHeader
 	}
@@ -154,7 +201,7 @@ func (x *LightClientUpdate) GetNextSyncCommitteeBranch() [][]byte {
 	return nil
 }

-func (x *LightClientUpdate) GetFinalizedHeader() *v1.BeaconBlockHeader {
+func (x *LightClientUpdate) GetFinalizedHeader() *LightClientHeader {
 	if x != nil {
 		return x.FinalizedHeader
 	}
@@ -194,7 +241,7 @@ type LightClientFinalityUpdateWithVersion struct {
 func (x *LightClientFinalityUpdateWithVersion) Reset() {
 	*x = LightClientFinalityUpdateWithVersion{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[2]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -207,7 +254,7 @@ func (x *LightClientFinalityUpdateWithVersion) String() string {
 func (*LightClientFinalityUpdateWithVersion) ProtoMessage() {}

 func (x *LightClientFinalityUpdateWithVersion) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[2]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -220,7 +267,7 @@ func (x *LightClientFinalityUpdateWithVersion) ProtoReflect() protoreflect.Messa

 // Deprecated: Use LightClientFinalityUpdateWithVersion.ProtoReflect.Descriptor instead.
 func (*LightClientFinalityUpdateWithVersion) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{2}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{3}
 }

 func (x *LightClientFinalityUpdateWithVersion) GetVersion() Version {
@@ -242,8 +289,8 @@ type LightClientFinalityUpdate struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	AttestedHeader  *v1.BeaconBlockHeader                                             `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
-	FinalizedHeader *v1.BeaconBlockHeader                                             `protobuf:"bytes,2,opt,name=finalized_header,json=finalizedHeader,proto3" json:"finalized_header,omitempty"`
+	AttestedHeader  *LightClientHeader                                                `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
+	FinalizedHeader *LightClientHeader                                                `protobuf:"bytes,2,opt,name=finalized_header,json=finalizedHeader,proto3" json:"finalized_header,omitempty"`
 	FinalityBranch  [][]byte                                                          `protobuf:"bytes,3,rep,name=finality_branch,json=finalityBranch,proto3" json:"finality_branch,omitempty"`
 	SyncAggregate   *v1.SyncAggregate                                                 `protobuf:"bytes,4,opt,name=sync_aggregate,json=syncAggregate,proto3" json:"sync_aggregate,omitempty"`
 	SignatureSlot   github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.Slot `protobuf:"varint,5,opt,name=signature_slot,json=signatureSlot,proto3" json:"signature_slot,omitempty" cast-type:"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"`
@@ -252,7 +299,7 @@ type LightClientFinalityUpdate struct {
 func (x *LightClientFinalityUpdate) Reset() {
 	*x = LightClientFinalityUpdate{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[3]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -265,7 +312,7 @@ func (x *LightClientFinalityUpdate) String() string {
 func (*LightClientFinalityUpdate) ProtoMessage() {}

 func (x *LightClientFinalityUpdate) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[3]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -278,17 +325,17 @@ func (x *LightClientFinalityUpdate) ProtoReflect() protoreflect.Message {

 // Deprecated: Use LightClientFinalityUpdate.ProtoReflect.Descriptor instead.
 func (*LightClientFinalityUpdate) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{3}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{4}
 }

-func (x *LightClientFinalityUpdate) GetAttestedHeader() *v1.BeaconBlockHeader {
+func (x *LightClientFinalityUpdate) GetAttestedHeader() *LightClientHeader {
 	if x != nil {
 		return x.AttestedHeader
 	}
 	return nil
 }

-func (x *LightClientFinalityUpdate) GetFinalizedHeader() *v1.BeaconBlockHeader {
+func (x *LightClientFinalityUpdate) GetFinalizedHeader() *LightClientHeader {
 	if x != nil {
 		return x.FinalizedHeader
 	}
@@ -328,7 +375,7 @@ type LightClientOptimisticUpdateWithVersion struct {
 func (x *LightClientOptimisticUpdateWithVersion) Reset() {
 	*x = LightClientOptimisticUpdateWithVersion{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[4]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -341,7 +388,7 @@ func (x *LightClientOptimisticUpdateWithVersion) String() string {
 func (*LightClientOptimisticUpdateWithVersion) ProtoMessage() {}

 func (x *LightClientOptimisticUpdateWithVersion) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[4]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -354,7 +401,7 @@ func (x *LightClientOptimisticUpdateWithVersion) ProtoReflect() protoreflect.Mes

 // Deprecated: Use LightClientOptimisticUpdateWithVersion.ProtoReflect.Descriptor instead.
 func (*LightClientOptimisticUpdateWithVersion) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{4}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{5}
 }

 func (x *LightClientOptimisticUpdateWithVersion) GetVersion() Version {
@@ -376,7 +423,7 @@ type LightClientOptimisticUpdate struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	AttestedHeader *v1.BeaconBlockHeader                                             `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
+	AttestedHeader *LightClientHeader                                                `protobuf:"bytes,1,opt,name=attested_header,json=attestedHeader,proto3" json:"attested_header,omitempty"`
 	SyncAggregate  *v1.SyncAggregate                                                 `protobuf:"bytes,2,opt,name=sync_aggregate,json=syncAggregate,proto3" json:"sync_aggregate,omitempty"`
 	SignatureSlot  github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.Slot `protobuf:"varint,3,opt,name=signature_slot,json=signatureSlot,proto3" json:"signature_slot,omitempty" cast-type:"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"`
 }
@@ -384,7 +431,7 @@ type LightClientOptimisticUpdate struct {
 func (x *LightClientOptimisticUpdate) Reset() {
 	*x = LightClientOptimisticUpdate{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[5]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -397,7 +444,7 @@ func (x *LightClientOptimisticUpdate) String() string {
 func (*LightClientOptimisticUpdate) ProtoMessage() {}

 func (x *LightClientOptimisticUpdate) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[5]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -410,10 +457,10 @@ func (x *LightClientOptimisticUpdate) ProtoReflect() protoreflect.Message {

 // Deprecated: Use LightClientOptimisticUpdate.ProtoReflect.Descriptor instead.
 func (*LightClientOptimisticUpdate) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{5}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{6}
 }

-func (x *LightClientOptimisticUpdate) GetAttestedHeader() *v1.BeaconBlockHeader {
+func (x *LightClientOptimisticUpdate) GetAttestedHeader() *LightClientHeader {
 	if x != nil {
 		return x.AttestedHeader
 	}
@@ -446,7 +493,7 @@ type LightClientUpdateWithVersion struct {
 func (x *LightClientUpdateWithVersion) Reset() {
 	*x = LightClientUpdateWithVersion{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[6]
+		mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -459,7 +506,7 @@ func (x *LightClientUpdateWithVersion) String() string {
 func (*LightClientUpdateWithVersion) ProtoMessage() {}

 func (x *LightClientUpdateWithVersion) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[6]
+	mi := &file_proto_eth_v2_beacon_lightclient_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -472,7 +519,7 @@ func (x *LightClientUpdateWithVersion) ProtoReflect() protoreflect.Message {

 // Deprecated: Use LightClientUpdateWithVersion.ProtoReflect.Descriptor instead.
 func (*LightClientUpdateWithVersion) Descriptor() ([]byte, []int) {
-	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{6}
+	return file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP(), []int{7}
 }

 func (x *LightClientUpdateWithVersion) GetVersion() Version {
@@ -503,137 +550,142 @@ var file_proto_eth_v2_beacon_lightclient_proto_rawDesc = []byte{
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 }

 var (
@@ -648,43 +700,45 @@ func file_proto_eth_v2_beacon_lightclient_proto_rawDescGZIP() []byte {
 	return file_proto_eth_v2_beacon_lightclient_proto_rawDescData
 }

-var file_proto_eth_v2_beacon_lightclient_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_proto_eth_v2_beacon_lightclient_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_proto_eth_v2_beacon_lightclient_proto_goTypes = []interface{}{
-	(*LightClientBootstrap)(nil),                   // 0: ethereum.eth.v2.LightClientBootstrap
-	(*LightClientUpdate)(nil),                      // 1: ethereum.eth.v2.LightClientUpdate
-	(*LightClientFinalityUpdateWithVersion)(nil),   // 2: ethereum.eth.v2.LightClientFinalityUpdateWithVersion
-	(*LightClientFinalityUpdate)(nil),              // 3: ethereum.eth.v2.LightClientFinalityUpdate
-	(*LightClientOptimisticUpdateWithVersion)(nil), // 4: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion
-	(*LightClientOptimisticUpdate)(nil),            // 5: ethereum.eth.v2.LightClientOptimisticUpdate
-	(*LightClientUpdateWithVersion)(nil),           // 6: ethereum.eth.v2.LightClientUpdateWithVersion
-	(*v1.BeaconBlockHeader)(nil),                   // 7: ethereum.eth.v1.BeaconBlockHeader
-	(*SyncCommittee)(nil),                          // 8: ethereum.eth.v2.SyncCommittee
-	(*v1.SyncAggregate)(nil),                       // 9: ethereum.eth.v1.SyncAggregate
-	(Version)(0),                                   // 10: ethereum.eth.v2.Version
+	(*LightClientHeader)(nil),                      // 0: ethereum.eth.v2.LightClientHeader
+	(*LightClientBootstrap)(nil),                   // 1: ethereum.eth.v2.LightClientBootstrap
+	(*LightClientUpdate)(nil),                      // 2: ethereum.eth.v2.LightClientUpdate
+	(*LightClientFinalityUpdateWithVersion)(nil),   // 3: ethereum.eth.v2.LightClientFinalityUpdateWithVersion
+	(*LightClientFinalityUpdate)(nil),              // 4: ethereum.eth.v2.LightClientFinalityUpdate
+	(*LightClientOptimisticUpdateWithVersion)(nil), // 5: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion
+	(*LightClientOptimisticUpdate)(nil),            // 6: ethereum.eth.v2.LightClientOptimisticUpdate
+	(*LightClientUpdateWithVersion)(nil),           // 7: ethereum.eth.v2.LightClientUpdateWithVersion
+	(*v1.BeaconBlockHeader)(nil),                   // 8: ethereum.eth.v1.BeaconBlockHeader
+	(*SyncCommittee)(nil),                          // 9: ethereum.eth.v2.SyncCommittee
+	(*v1.SyncAggregate)(nil),                       // 10: ethereum.eth.v1.SyncAggregate
+	(Version)(0),                                   // 11: ethereum.eth.v2.Version
 }
 var file_proto_eth_v2_beacon_lightclient_proto_depIdxs = []int32{
-	7,  // 0: ethereum.eth.v2.LightClientBootstrap.header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	8,  // 1: ethereum.eth.v2.LightClientBootstrap.current_sync_committee:type_name -> ethereum.eth.v2.SyncCommittee
-	7,  // 2: ethereum.eth.v2.LightClientUpdate.attested_header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	8,  // 3: ethereum.eth.v2.LightClientUpdate.next_sync_committee:type_name -> ethereum.eth.v2.SyncCommittee
-	7,  // 4: ethereum.eth.v2.LightClientUpdate.finalized_header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	9,  // 5: ethereum.eth.v2.LightClientUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
-	10, // 6: ethereum.eth.v2.LightClientFinalityUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
-	3,  // 7: ethereum.eth.v2.LightClientFinalityUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientFinalityUpdate
-	7,  // 8: ethereum.eth.v2.LightClientFinalityUpdate.attested_header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	7,  // 9: ethereum.eth.v2.LightClientFinalityUpdate.finalized_header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	9,  // 10: ethereum.eth.v2.LightClientFinalityUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
-	10, // 11: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
-	5,  // 12: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientOptimisticUpdate
-	7,  // 13: ethereum.eth.v2.LightClientOptimisticUpdate.attested_header:type_name -> ethereum.eth.v1.BeaconBlockHeader
-	9,  // 14: ethereum.eth.v2.LightClientOptimisticUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
-	10, // 15: ethereum.eth.v2.LightClientUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
-	1,  // 16: ethereum.eth.v2.LightClientUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientUpdate
-	17, // [17:17] is the sub-list for method output_type
-	17, // [17:17] is the sub-list for method input_type
-	17, // [17:17] is the sub-list for extension type_name
-	17, // [17:17] is the sub-list for extension extendee
-	0,  // [0:17] is the sub-list for field type_name
+	8,  // 0: ethereum.eth.v2.LightClientHeader.beacon:type_name -> ethereum.eth.v1.BeaconBlockHeader
+	0,  // 1: ethereum.eth.v2.LightClientBootstrap.header:type_name -> ethereum.eth.v2.LightClientHeader
+	9,  // 2: ethereum.eth.v2.LightClientBootstrap.current_sync_committee:type_name -> ethereum.eth.v2.SyncCommittee
+	0,  // 3: ethereum.eth.v2.LightClientUpdate.attested_header:type_name -> ethereum.eth.v2.LightClientHeader
+	9,  // 4: ethereum.eth.v2.LightClientUpdate.next_sync_committee:type_name -> ethereum.eth.v2.SyncCommittee
+	0,  // 5: ethereum.eth.v2.LightClientUpdate.finalized_header:type_name -> ethereum.eth.v2.LightClientHeader
+	10, // 6: ethereum.eth.v2.LightClientUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
+	11, // 7: ethereum.eth.v2.LightClientFinalityUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
+	4,  // 8: ethereum.eth.v2.LightClientFinalityUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientFinalityUpdate
+	0,  // 9: ethereum.eth.v2.LightClientFinalityUpdate.attested_header:type_name -> ethereum.eth.v2.LightClientHeader
+	0,  // 10: ethereum.eth.v2.LightClientFinalityUpdate.finalized_header:type_name -> ethereum.eth.v2.LightClientHeader
+	10, // 11: ethereum.eth.v2.LightClientFinalityUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
+	11, // 12: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
+	6,  // 13: ethereum.eth.v2.LightClientOptimisticUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientOptimisticUpdate
+	0,  // 14: ethereum.eth.v2.LightClientOptimisticUpdate.attested_header:type_name -> ethereum.eth.v2.LightClientHeader
+	10, // 15: ethereum.eth.v2.LightClientOptimisticUpdate.sync_aggregate:type_name -> ethereum.eth.v1.SyncAggregate
+	11, // 16: ethereum.eth.v2.LightClientUpdateWithVersion.version:type_name -> ethereum.eth.v2.Version
+	2,  // 17: ethereum.eth.v2.LightClientUpdateWithVersion.data:type_name -> ethereum.eth.v2.LightClientUpdate
+	18, // [18:18] is the sub-list for method output_type
+	18, // [18:18] is the sub-list for method input_type
+	18, // [18:18] is the sub-list for extension type_name
+	18, // [18:18] is the sub-list for extension extendee
+	0,  // [0:18] is the sub-list for field type_name
 }

 func init() { file_proto_eth_v2_beacon_lightclient_proto_init() }
@@ -696,7 +750,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 	file_proto_eth_v2_sync_committee_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientBootstrap); i {
+			switch v := v.(*LightClientHeader); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -708,7 +762,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientUpdate); i {
+			switch v := v.(*LightClientBootstrap); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -720,7 +774,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientFinalityUpdateWithVersion); i {
+			switch v := v.(*LightClientUpdate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -732,7 +786,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientFinalityUpdate); i {
+			switch v := v.(*LightClientFinalityUpdateWithVersion); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -744,7 +798,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientOptimisticUpdateWithVersion); i {
+			switch v := v.(*LightClientFinalityUpdate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -756,7 +810,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LightClientOptimisticUpdate); i {
+			switch v := v.(*LightClientOptimisticUpdateWithVersion); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -768,6 +822,18 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			}
 		}
 		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LightClientOptimisticUpdate); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_eth_v2_beacon_lightclient_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LightClientUpdateWithVersion); i {
 			case 0:
 				return &v.state
@@ -786,7 +852,7 @@ func file_proto_eth_v2_beacon_lightclient_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_eth_v2_beacon_lightclient_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   7,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/proto/eth/v2/beacon_lightclient.proto
+++ b/proto/eth/v2/beacon_lightclient.proto
@@ -29,17 +29,21 @@ option php_namespace = "Ethereum\\Eth\\v2";

 // Beacon LightClient API related messages.

+message LightClientHeader {
+  v1.BeaconBlockHeader beacon = 1;
+}
+
 message LightClientBootstrap {
-  v1.BeaconBlockHeader header = 1;
+  LightClientHeader header = 1;
  SyncCommittee current_sync_committee = 2;
  repeated bytes current_sync_committee_branch = 3;
 }

 message LightClientUpdate {
-  v1.BeaconBlockHeader attested_header = 1;
+  LightClientHeader attested_header = 1;
  SyncCommittee next_sync_committee = 2;
  repeated bytes next_sync_committee_branch = 3;
-  v1.BeaconBlockHeader finalized_header = 4;
+  LightClientHeader finalized_header = 4;
  repeated bytes finality_branch = 5;
  v1.SyncAggregate sync_aggregate = 6;
  uint64 signature_slot = 7 [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"];
@@ -51,8 +55,8 @@ message LightClientFinalityUpdateWithVersion {
 }

 message LightClientFinalityUpdate {
-  v1.BeaconBlockHeader attested_header = 1;
-  v1.BeaconBlockHeader finalized_header = 2;
+  LightClientHeader attested_header = 1;
+  LightClientHeader finalized_header = 2;
  repeated bytes finality_branch = 3;
  v1.SyncAggregate sync_aggregate = 4;
  uint64 signature_slot = 5 [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"];
@@ -64,7 +68,7 @@ message LightClientOptimisticUpdateWithVersion {
 }

 message LightClientOptimisticUpdate {
-  v1.BeaconBlockHeader attested_header = 1;
+  LightClientHeader attested_header = 1;
  v1.SyncAggregate sync_aggregate = 2;
  uint64 signature_slot = 3 [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.Slot"];
 }
--- a/proto/prysm/v1alpha1/beacon_block.pb.go
+++ b/proto/prysm/v1alpha1/beacon_block.pb.go
--- a/testing/util/lightclient.go
+++ b/testing/util/lightclient.go
@@ -99,14 +99,14 @@ func (l *TestLightClient) SetupTest() *TestLightClient {
 }

 func (l *TestLightClient) CheckAttestedHeader(update *ethpbv2.LightClientUpdate) {
-	require.Equal(l.T, l.AttestedHeader.Slot, update.AttestedHeader.Slot, "Attested header slot is not equal")
-	require.Equal(l.T, l.AttestedHeader.ProposerIndex, update.AttestedHeader.ProposerIndex, "Attested header proposer index is not equal")
-	require.DeepSSZEqual(l.T, l.AttestedHeader.ParentRoot, update.AttestedHeader.ParentRoot, "Attested header parent root is not equal")
-	require.DeepSSZEqual(l.T, l.AttestedHeader.BodyRoot, update.AttestedHeader.BodyRoot, "Attested header body root is not equal")
+	require.Equal(l.T, l.AttestedHeader.Slot, update.AttestedHeader.Beacon.Slot, "Attested header slot is not equal")
+	require.Equal(l.T, l.AttestedHeader.ProposerIndex, update.AttestedHeader.Beacon.ProposerIndex, "Attested header proposer index is not equal")
+	require.DeepSSZEqual(l.T, l.AttestedHeader.ParentRoot, update.AttestedHeader.Beacon.ParentRoot, "Attested header parent root is not equal")
+	require.DeepSSZEqual(l.T, l.AttestedHeader.BodyRoot, update.AttestedHeader.Beacon.BodyRoot, "Attested header body root is not equal")

 	attestedStateRoot, err := l.AttestedState.HashTreeRoot(l.Ctx)
 	require.NoError(l.T, err)
-	require.DeepSSZEqual(l.T, attestedStateRoot[:], update.AttestedHeader.StateRoot, "Attested header state root is not equal")
+	require.DeepSSZEqual(l.T, attestedStateRoot[:], update.AttestedHeader.Beacon.StateRoot, "Attested header state root is not equal")
 }

 func (l *TestLightClient) CheckSyncAggregate(update *ethpbv2.LightClientUpdate) {
Author	SHA1	Message	Date
terence tsao	7034c3d8b7	Copy validator but obv not going to do this	2024-09-01 08:02:41 -07:00
Brandon Liu	342bb0fcef	Add value for MaxBuilderEpochMissedSlots (#14334 ) * add value for MaxBuilderEpochMissedSlots * make usage for MaxBuilderEpochMisedSlots more friendly --------- Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com> Co-authored-by: james-prysm <90280386+james-prysm@users.noreply.github.com>	2024-08-30 15:08:50 +00:00
Preston Van Loon	93e6bd7929	Flip --enable-experimental-state to opt-out. (#14398 )	2024-08-29 20:42:32 +00:00
Bastin	3015eea4e3	Fix lightclient header (#14389 ) * change LCUpdate to use LCHeader * fix api struct usages * fix api struct finalized_header * add lightclientheader to proto structs * fix proto usages * fix proto usages in events * fix uppercase field in protobuf defenition --------- Co-authored-by: Radosław Kapka <rkapka@wp.pl>	2024-08-29 15:57:21 +00:00