Add Gloas beacon state package (#15611)

* Add Gloas protobuf definitions with spec tests Add Gloas state fields to beacon state implementation * Remove shared field for pending payment * Radek's feedback * Potuz feedback * use slice concat * Fix comment * Fix concat * Fix comment * Fix correct index
2026-01-05 05:34:25 -05:00 · 2025-11-18 10:08:31 -05:00
parent 35c1ab5e88
commit bc0868e232
24 changed files with 1041 additions and 15 deletions
--- a/beacon-chain/state/state-native/BUILD.bazel
+++ b/beacon-chain/state/state-native/BUILD.bazel
@@ -23,6 +23,7 @@ go_library(
        "getters_sync_committee.go",
        "getters_validator.go",
        "getters_withdrawal.go",
+        "gloas.go",
        "hasher.go",
        "multi_value_slices.go",
        "proofs.go",
--- a/beacon-chain/state/state-native/beacon_state.go
+++ b/beacon-chain/state/state-native/beacon_state.go
@@ -70,6 +70,14 @@ type BeaconState struct {
 	pendingConsolidations         []*ethpb.PendingConsolidation     // pending_consolidations: List[PendingConsolidation, PENDING_CONSOLIDATIONS_LIMIT]
 	proposerLookahead             []primitives.ValidatorIndex       // proposer_look_ahead: List[uint64, (MIN_LOOKAHEAD + 1)*SLOTS_PER_EPOCH]

+	// Gloas fields
+	latestExecutionPayloadBid    *ethpb.ExecutionPayloadBid
+	executionPayloadAvailability []byte
+	builderPendingPayments       []*ethpb.BuilderPendingPayment
+	builderPendingWithdrawals    []*ethpb.BuilderPendingWithdrawal
+	latestBlockHash              []byte
+	latestWithdrawalsRoot        []byte
+
 	id                    uint64
 	lock                  sync.RWMutex
 	dirtyFields           map[types.FieldIndex]bool
@@ -125,6 +133,12 @@ type beaconStateMarshalable struct {
 	PendingPartialWithdrawals           []*ethpb.PendingPartialWithdrawal       `json:"pending_partial_withdrawals" yaml:"pending_partial_withdrawals"`
 	PendingConsolidations               []*ethpb.PendingConsolidation           `json:"pending_consolidations" yaml:"pending_consolidations"`
 	ProposerLookahead                   []primitives.ValidatorIndex             `json:"proposer_look_ahead" yaml:"proposer_look_ahead"`
+	LatestExecutionPayloadBid           *ethpb.ExecutionPayloadBid              `json:"latest_execution_payload_bid" yaml:"latest_execution_payload_bid"`
+	ExecutionPayloadAvailability        []byte                                  `json:"execution_payload_availability" yaml:"execution_payload_availability"`
+	BuilderPendingPayments              []*ethpb.BuilderPendingPayment          `json:"builder_pending_payments" yaml:"builder_pending_payments"`
+	BuilderPendingWithdrawals           []*ethpb.BuilderPendingWithdrawal       `json:"builder_pending_withdrawals" yaml:"builder_pending_withdrawals"`
+	LatestBlockHash                     []byte                                  `json:"latest_block_hash" yaml:"latest_block_hash"`
+	LatestWithdrawalsRoot               []byte                                  `json:"latest_withdrawals_root" yaml:"latest_withdrawals_root"`
 }

 func (b *BeaconState) MarshalJSON() ([]byte, error) {
@@ -179,6 +193,12 @@ func (b *BeaconState) MarshalJSON() ([]byte, error) {
 		PendingPartialWithdrawals:           b.pendingPartialWithdrawals,
 		PendingConsolidations:               b.pendingConsolidations,
 		ProposerLookahead:                   b.proposerLookahead,
+		LatestExecutionPayloadBid:           b.latestExecutionPayloadBid,
+		ExecutionPayloadAvailability:        b.executionPayloadAvailability,
+		BuilderPendingPayments:              b.builderPendingPayments,
+		BuilderPendingWithdrawals:           b.builderPendingWithdrawals,
+		LatestBlockHash:                     b.latestBlockHash,
+		LatestWithdrawalsRoot:               b.latestWithdrawalsRoot,
 	}
 	return json.Marshal(marshalable)
 }
--- a/beacon-chain/state/state-native/getters_state.go
+++ b/beacon-chain/state/state-native/getters_state.go
@@ -259,6 +259,57 @@ func (b *BeaconState) ToProtoUnsafe() any {
 			PendingConsolidations:         b.pendingConsolidations,
 			ProposerLookahead:             lookahead,
 		}
+	case version.Gloas:
+		lookahead := make([]uint64, len(b.proposerLookahead))
+		for i, v := range b.proposerLookahead {
+			lookahead[i] = uint64(v)
+		}
+
+		return &ethpb.BeaconStateGloas{
+			GenesisTime:                   b.genesisTime,
+			GenesisValidatorsRoot:         gvrCopy[:],
+			Slot:                          b.slot,
+			Fork:                          b.fork,
+			LatestBlockHeader:             b.latestBlockHeader,
+			BlockRoots:                    br,
+			StateRoots:                    sr,
+			HistoricalRoots:               b.historicalRoots.Slice(),
+			Eth1Data:                      b.eth1Data,
+			Eth1DataVotes:                 b.eth1DataVotes,
+			Eth1DepositIndex:              b.eth1DepositIndex,
+			Validators:                    vals,
+			Balances:                      bals,
+			RandaoMixes:                   rm,
+			Slashings:                     b.slashings,
+			PreviousEpochParticipation:    b.previousEpochParticipation,
+			CurrentEpochParticipation:     b.currentEpochParticipation,
+			JustificationBits:             b.justificationBits,
+			PreviousJustifiedCheckpoint:   b.previousJustifiedCheckpoint,
+			CurrentJustifiedCheckpoint:    b.currentJustifiedCheckpoint,
+			FinalizedCheckpoint:           b.finalizedCheckpoint,
+			InactivityScores:              inactivityScores,
+			CurrentSyncCommittee:          b.currentSyncCommittee,
+			NextSyncCommittee:             b.nextSyncCommittee,
+			LatestExecutionPayloadBid:     b.latestExecutionPayloadBid,
+			NextWithdrawalIndex:           b.nextWithdrawalIndex,
+			NextWithdrawalValidatorIndex:  b.nextWithdrawalValidatorIndex,
+			HistoricalSummaries:           b.historicalSummaries,
+			DepositRequestsStartIndex:     b.depositRequestsStartIndex,
+			DepositBalanceToConsume:       b.depositBalanceToConsume,
+			ExitBalanceToConsume:          b.exitBalanceToConsume,
+			EarliestExitEpoch:             b.earliestExitEpoch,
+			ConsolidationBalanceToConsume: b.consolidationBalanceToConsume,
+			EarliestConsolidationEpoch:    b.earliestConsolidationEpoch,
+			PendingDeposits:               b.pendingDeposits,
+			PendingPartialWithdrawals:     b.pendingPartialWithdrawals,
+			PendingConsolidations:         b.pendingConsolidations,
+			ProposerLookahead:             lookahead,
+			ExecutionPayloadAvailability:  b.executionPayloadAvailability,
+			BuilderPendingPayments:        b.builderPendingPayments,
+			BuilderPendingWithdrawals:     b.builderPendingWithdrawals,
+			LatestBlockHash:               b.latestBlockHash,
+			LatestWithdrawalsRoot:         b.latestWithdrawalsRoot,
+		}
 	default:
 		return nil
 	}
@@ -510,6 +561,57 @@ func (b *BeaconState) ToProto() any {
 			PendingConsolidations:         b.pendingConsolidationsVal(),
 			ProposerLookahead:             lookahead,
 		}
+	case version.Gloas:
+		lookahead := make([]uint64, len(b.proposerLookahead))
+		for i, v := range b.proposerLookahead {
+			lookahead[i] = uint64(v)
+		}
+
+		return &ethpb.BeaconStateGloas{
+			GenesisTime:                   b.genesisTime,
+			GenesisValidatorsRoot:         gvrCopy[:],
+			Slot:                          b.slot,
+			Fork:                          b.forkVal(),
+			LatestBlockHeader:             b.latestBlockHeaderVal(),
+			BlockRoots:                    br,
+			StateRoots:                    sr,
+			HistoricalRoots:               b.historicalRoots.Slice(),
+			Eth1Data:                      b.eth1DataVal(),
+			Eth1DataVotes:                 b.eth1DataVotesVal(),
+			Eth1DepositIndex:              b.eth1DepositIndex,
+			Validators:                    b.validatorsVal(),
+			Balances:                      b.balancesVal(),
+			RandaoMixes:                   rm,
+			Slashings:                     b.slashingsVal(),
+			PreviousEpochParticipation:    b.previousEpochParticipationVal(),
+			CurrentEpochParticipation:     b.currentEpochParticipationVal(),
+			JustificationBits:             b.justificationBitsVal(),
+			PreviousJustifiedCheckpoint:   b.previousJustifiedCheckpointVal(),
+			CurrentJustifiedCheckpoint:    b.currentJustifiedCheckpointVal(),
+			FinalizedCheckpoint:           b.finalizedCheckpointVal(),
+			InactivityScores:              b.inactivityScoresVal(),
+			CurrentSyncCommittee:          b.currentSyncCommitteeVal(),
+			NextSyncCommittee:             b.nextSyncCommitteeVal(),
+			LatestExecutionPayloadBid:     b.latestExecutionPayloadBid.Copy(),
+			NextWithdrawalIndex:           b.nextWithdrawalIndex,
+			NextWithdrawalValidatorIndex:  b.nextWithdrawalValidatorIndex,
+			HistoricalSummaries:           b.historicalSummariesVal(),
+			DepositRequestsStartIndex:     b.depositRequestsStartIndex,
+			DepositBalanceToConsume:       b.depositBalanceToConsume,
+			ExitBalanceToConsume:          b.exitBalanceToConsume,
+			EarliestExitEpoch:             b.earliestExitEpoch,
+			ConsolidationBalanceToConsume: b.consolidationBalanceToConsume,
+			EarliestConsolidationEpoch:    b.earliestConsolidationEpoch,
+			PendingDeposits:               b.pendingDepositsVal(),
+			PendingPartialWithdrawals:     b.pendingPartialWithdrawalsVal(),
+			PendingConsolidations:         b.pendingConsolidationsVal(),
+			ProposerLookahead:             lookahead,
+			ExecutionPayloadAvailability:  b.executionPayloadAvailabilityVal(),
+			BuilderPendingPayments:        b.builderPendingPaymentsVal(),
+			BuilderPendingWithdrawals:     b.builderPendingWithdrawalsVal(),
+			LatestBlockHash:               b.latestBlockHashVal(),
+			LatestWithdrawalsRoot:         b.latestWithdrawalsRootVal(),
+		}
 	default:
 		return nil
 	}
--- a/beacon-chain/state/state-native/gloas.go
+++ b/beacon-chain/state/state-native/gloas.go
@@ -0,0 +1,74 @@
+package state_native
+
+import (
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+// executionPayloadAvailabilityVal returns a copy of the execution payload availability.
+// This assumes that a lock is already held on BeaconState.
+func (b *BeaconState) executionPayloadAvailabilityVal() []byte {
+	if b.executionPayloadAvailability == nil {
+		return nil
+	}
+
+	availability := make([]byte, len(b.executionPayloadAvailability))
+	copy(availability, b.executionPayloadAvailability)
+
+	return availability
+}
+
+// builderPendingPaymentsVal returns a copy of the builder pending payments.
+// This assumes that a lock is already held on BeaconState.
+func (b *BeaconState) builderPendingPaymentsVal() []*ethpb.BuilderPendingPayment {
+	if b.builderPendingPayments == nil {
+		return nil
+	}
+
+	payments := make([]*ethpb.BuilderPendingPayment, len(b.builderPendingPayments))
+	for i, payment := range b.builderPendingPayments {
+		payments[i] = payment.Copy()
+	}
+
+	return payments
+}
+
+// builderPendingWithdrawalsVal returns a copy of the builder pending withdrawals.
+// This assumes that a lock is already held on BeaconState.
+func (b *BeaconState) builderPendingWithdrawalsVal() []*ethpb.BuilderPendingWithdrawal {
+	if b.builderPendingWithdrawals == nil {
+		return nil
+	}
+
+	withdrawals := make([]*ethpb.BuilderPendingWithdrawal, len(b.builderPendingWithdrawals))
+	for i, withdrawal := range b.builderPendingWithdrawals {
+		withdrawals[i] = withdrawal.Copy()
+	}
+
+	return withdrawals
+}
+
+// latestBlockHashVal returns a copy of the latest block hash.
+// This assumes that a lock is already held on BeaconState.
+func (b *BeaconState) latestBlockHashVal() []byte {
+	if b.latestBlockHash == nil {
+		return nil
+	}
+
+	hash := make([]byte, len(b.latestBlockHash))
+	copy(hash, b.latestBlockHash)
+
+	return hash
+}
+
+// latestWithdrawalsRootVal returns a copy of the latest withdrawals root.
+// This assumes that a lock is already held on BeaconState.
+func (b *BeaconState) latestWithdrawalsRootVal() []byte {
+	if b.latestWithdrawalsRoot == nil {
+		return nil
+	}
+
+	root := make([]byte, len(b.latestWithdrawalsRoot))
+	copy(root, b.latestWithdrawalsRoot)
+
+	return root
+}
--- a/beacon-chain/state/state-native/hasher.go
+++ b/beacon-chain/state/state-native/hasher.go
@@ -43,6 +43,8 @@ func ComputeFieldRootsWithHasher(ctx context.Context, state *BeaconState) ([][]b
 		fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateElectraFieldCount)
 	case version.Fulu:
 		fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateFuluFieldCount)
+	case version.Gloas:
+		fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateGloasFieldCount)
 	default:
 		return nil, fmt.Errorf("unknown state version %s", version.String(state.version))
 	}
@@ -245,7 +247,7 @@ func ComputeFieldRootsWithHasher(ctx context.Context, state *BeaconState) ([][]b
 		fieldRoots[types.LatestExecutionPayloadHeaderCapella.RealPosition()] = executionPayloadRoot[:]
 	}

-	if state.version >= version.Deneb {
+	if state.version >= version.Deneb && state.version < version.Gloas {
 		// Execution payload root.
 		executionPayloadRoot, err := state.latestExecutionPayloadHeaderDeneb.HashTreeRoot()
 		if err != nil {
@@ -254,6 +256,16 @@ func ComputeFieldRootsWithHasher(ctx context.Context, state *BeaconState) ([][]b
 		fieldRoots[types.LatestExecutionPayloadHeaderDeneb.RealPosition()] = executionPayloadRoot[:]
 	}

+	if state.version >= version.Gloas {
+		// Execution payload bid root for Gloas.
+		bidRoot, err := state.latestExecutionPayloadBid.HashTreeRoot()
+		if err != nil {
+			return nil, err
+		}
+
+		fieldRoots[types.LatestExecutionPayloadBid.RealPosition()] = bidRoot[:]
+	}
+
 	if state.version >= version.Capella {
 		// Next withdrawal index root.
 		nextWithdrawalIndexRoot := make([]byte, 32)
@@ -328,5 +340,34 @@ func ComputeFieldRootsWithHasher(ctx context.Context, state *BeaconState) ([][]b
 		}
 		fieldRoots[types.ProposerLookahead.RealPosition()] = proposerLookaheadRoot[:]
 	}
+
+	if state.version >= version.Gloas {
+		epaRoot, err := stateutil.ExecutionPayloadAvailabilityRoot(state.executionPayloadAvailability)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not compute execution payload availability merkleization")
+		}
+
+		fieldRoots[types.ExecutionPayloadAvailability.RealPosition()] = epaRoot[:]
+
+		bppRoot, err := stateutil.BuilderPendingPaymentsRoot(state.builderPendingPayments)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not compute builder pending payments merkleization")
+		}
+
+		fieldRoots[types.BuilderPendingPayments.RealPosition()] = bppRoot[:]
+
+		bpwRoot, err := stateutil.BuilderPendingWithdrawalsRoot(state.builderPendingWithdrawals)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not compute builder pending withdrawals merkleization")
+		}
+
+		fieldRoots[types.BuilderPendingWithdrawals.RealPosition()] = bpwRoot[:]
+
+		lbhRoot := bytesutil.ToBytes32(state.latestBlockHash)
+		fieldRoots[types.LatestBlockHash.RealPosition()] = lbhRoot[:]
+
+		lwrRoot := bytesutil.ToBytes32(state.latestWithdrawalsRoot)
+		fieldRoots[types.LatestWithdrawalsRoot.RealPosition()] = lwrRoot[:]
+	}
 	return fieldRoots, nil
 }
--- a/beacon-chain/state/state-native/state_trie.go
+++ b/beacon-chain/state/state-native/state_trie.go
@@ -79,24 +79,25 @@ var (

 	bellatrixFields = append(altairFields, types.LatestExecutionPayloadHeader)

-	capellaFields = append(
-		altairFields,
-		types.LatestExecutionPayloadHeaderCapella,
+	withdrawalAndHistoricalSummaryFields = []types.FieldIndex{
 		types.NextWithdrawalIndex,
 		types.NextWithdrawalValidatorIndex,
 		types.HistoricalSummaries,
-	)
+	}

-	denebFields = append(
+	capellaFields = slices.Concat(
 		altairFields,
-		types.LatestExecutionPayloadHeaderDeneb,
-		types.NextWithdrawalIndex,
-		types.NextWithdrawalValidatorIndex,
-		types.HistoricalSummaries,
+		[]types.FieldIndex{types.LatestExecutionPayloadHeaderCapella},
+		withdrawalAndHistoricalSummaryFields,
 	)

-	electraFields = append(
-		denebFields,
+	denebFields = slices.Concat(
+		altairFields,
+		[]types.FieldIndex{types.LatestExecutionPayloadHeaderDeneb},
+		withdrawalAndHistoricalSummaryFields,
+	)
+
+	electraAdditionalFields = []types.FieldIndex{
 		types.DepositRequestsStartIndex,
 		types.DepositBalanceToConsume,
 		types.ExitBalanceToConsume,
@@ -106,12 +107,34 @@ var (
 		types.PendingDeposits,
 		types.PendingPartialWithdrawals,
 		types.PendingConsolidations,
+	}
+
+	electraFields = slices.Concat(
+		denebFields,
+		electraAdditionalFields,
 	)

 	fuluFields = append(
 		electraFields,
 		types.ProposerLookahead,
 	)
+
+	gloasAdditionalFields = []types.FieldIndex{
+		types.ExecutionPayloadAvailability,
+		types.BuilderPendingPayments,
+		types.BuilderPendingWithdrawals,
+		types.LatestBlockHash,
+		types.LatestWithdrawalsRoot,
+	}
+
+	gloasFields = slices.Concat(
+		altairFields,
+		[]types.FieldIndex{types.LatestExecutionPayloadBid},
+		withdrawalAndHistoricalSummaryFields,
+		electraAdditionalFields,
+		[]types.FieldIndex{types.ProposerLookahead},
+		gloasAdditionalFields,
+	)
 )

 const (
@@ -122,6 +145,7 @@ const (
 	denebSharedFieldRefCount     = 7
 	electraSharedFieldRefCount   = 10
 	fuluSharedFieldRefCount      = 11
+	gloasSharedFieldRefCount     = 12 // Adds PendingBuilderWithdrawal to the shared-ref set and LatestExecutionPayloadHeader is removed
 )

 // InitializeFromProtoPhase0 the beacon state from a protobuf representation.
@@ -159,6 +183,11 @@ func InitializeFromProtoFulu(st *ethpb.BeaconStateFulu) (state.BeaconState, erro
 	return InitializeFromProtoUnsafeFulu(proto.Clone(st).(*ethpb.BeaconStateFulu))
 }

+// InitializeFromProtoGloas the beacon state from a protobuf representation.
+func InitializeFromProtoGloas(st *ethpb.BeaconStateGloas) (state.BeaconState, error) {
+	return InitializeFromProtoUnsafeGloas(proto.Clone(st).(*ethpb.BeaconStateGloas))
+}
+
 // InitializeFromProtoUnsafePhase0 directly uses the beacon state protobuf fields
 // and sets them as fields of the BeaconState type.
 func InitializeFromProtoUnsafePhase0(st *ethpb.BeaconState) (state.BeaconState, error) {
@@ -736,6 +765,111 @@ func InitializeFromProtoUnsafeFulu(st *ethpb.BeaconStateFulu) (state.BeaconState
 	return b, nil
 }

+// InitializeFromProtoUnsafeGloas directly uses the beacon state protobuf fields
+// and sets them as fields of the BeaconState type.
+func InitializeFromProtoUnsafeGloas(st *ethpb.BeaconStateGloas) (state.BeaconState, error) {
+	if st == nil {
+		return nil, errors.New("received nil state")
+	}
+
+	hRoots := customtypes.HistoricalRoots(make([][32]byte, len(st.HistoricalRoots)))
+	for i, r := range st.HistoricalRoots {
+		hRoots[i] = bytesutil.ToBytes32(r)
+	}
+
+	proposerLookahead := make([]primitives.ValidatorIndex, len(st.ProposerLookahead))
+	for i, v := range st.ProposerLookahead {
+		proposerLookahead[i] = primitives.ValidatorIndex(v)
+	}
+
+	fieldCount := params.BeaconConfig().BeaconStateGloasFieldCount
+	b := &BeaconState{
+		version:                       version.Gloas,
+		genesisTime:                   st.GenesisTime,
+		genesisValidatorsRoot:         bytesutil.ToBytes32(st.GenesisValidatorsRoot),
+		slot:                          st.Slot,
+		fork:                          st.Fork,
+		latestBlockHeader:             st.LatestBlockHeader,
+		historicalRoots:               hRoots,
+		eth1Data:                      st.Eth1Data,
+		eth1DataVotes:                 st.Eth1DataVotes,
+		eth1DepositIndex:              st.Eth1DepositIndex,
+		slashings:                     st.Slashings,
+		previousEpochParticipation:    st.PreviousEpochParticipation,
+		currentEpochParticipation:     st.CurrentEpochParticipation,
+		justificationBits:             st.JustificationBits,
+		previousJustifiedCheckpoint:   st.PreviousJustifiedCheckpoint,
+		currentJustifiedCheckpoint:    st.CurrentJustifiedCheckpoint,
+		finalizedCheckpoint:           st.FinalizedCheckpoint,
+		currentSyncCommittee:          st.CurrentSyncCommittee,
+		nextSyncCommittee:             st.NextSyncCommittee,
+		nextWithdrawalIndex:           st.NextWithdrawalIndex,
+		nextWithdrawalValidatorIndex:  st.NextWithdrawalValidatorIndex,
+		historicalSummaries:           st.HistoricalSummaries,
+		depositRequestsStartIndex:     st.DepositRequestsStartIndex,
+		depositBalanceToConsume:       st.DepositBalanceToConsume,
+		exitBalanceToConsume:          st.ExitBalanceToConsume,
+		earliestExitEpoch:             st.EarliestExitEpoch,
+		consolidationBalanceToConsume: st.ConsolidationBalanceToConsume,
+		earliestConsolidationEpoch:    st.EarliestConsolidationEpoch,
+		pendingDeposits:               st.PendingDeposits,
+		pendingPartialWithdrawals:     st.PendingPartialWithdrawals,
+		pendingConsolidations:         st.PendingConsolidations,
+		proposerLookahead:             proposerLookahead,
+		latestExecutionPayloadBid:     st.LatestExecutionPayloadBid,
+		executionPayloadAvailability:  st.ExecutionPayloadAvailability,
+		builderPendingPayments:        st.BuilderPendingPayments,
+		builderPendingWithdrawals:     st.BuilderPendingWithdrawals,
+		latestBlockHash:               st.LatestBlockHash,
+		latestWithdrawalsRoot:         st.LatestWithdrawalsRoot,
+		dirtyFields:                   make(map[types.FieldIndex]bool, fieldCount),
+		dirtyIndices:                  make(map[types.FieldIndex][]uint64, fieldCount),
+		stateFieldLeaves:              make(map[types.FieldIndex]*fieldtrie.FieldTrie, fieldCount),
+		rebuildTrie:                   make(map[types.FieldIndex]bool, fieldCount),
+		valMapHandler:                 stateutil.NewValMapHandler(st.Validators),
+	}
+
+	b.blockRootsMultiValue = NewMultiValueBlockRoots(st.BlockRoots)
+	b.stateRootsMultiValue = NewMultiValueStateRoots(st.StateRoots)
+	b.randaoMixesMultiValue = NewMultiValueRandaoMixes(st.RandaoMixes)
+	b.balancesMultiValue = NewMultiValueBalances(st.Balances)
+	b.validatorsMultiValue = NewMultiValueValidators(st.Validators)
+	b.inactivityScoresMultiValue = NewMultiValueInactivityScores(st.InactivityScores)
+	b.sharedFieldReferences = make(map[types.FieldIndex]*stateutil.Reference, gloasSharedFieldRefCount)
+
+	for _, f := range gloasFields {
+		b.dirtyFields[f] = true
+		b.rebuildTrie[f] = true
+		b.dirtyIndices[f] = []uint64{}
+
+		trie, err := fieldtrie.NewFieldTrie(f, types.BasicArray, nil, 0)
+		if err != nil {
+			return nil, err
+		}
+
+		b.stateFieldLeaves[f] = trie
+	}
+
+	// Initialize field reference tracking for shared data.
+	b.sharedFieldReferences[types.HistoricalRoots] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.Eth1DataVotes] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.Slashings] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.PreviousEpochParticipationBits] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.CurrentEpochParticipationBits] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.HistoricalSummaries] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.PendingDeposits] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.PendingPartialWithdrawals] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.PendingConsolidations] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.ProposerLookahead] = stateutil.NewRef(1)
+	b.sharedFieldReferences[types.BuilderPendingWithdrawals] = stateutil.NewRef(1) // New in Gloas.
+
+	state.Count.Inc()
+	// Finalizer runs when dst is being destroyed in garbage collection.
+	runtime.SetFinalizer(b, finalizerCleanup)
+
+	return b, nil
+}
+
 // Copy returns a deep copy of the beacon state.
 func (b *BeaconState) Copy() state.BeaconState {
 	b.lock.RLock()
@@ -757,6 +891,8 @@ func (b *BeaconState) Copy() state.BeaconState {
 		fieldCount = params.BeaconConfig().BeaconStateElectraFieldCount
 	case version.Fulu:
 		fieldCount = params.BeaconConfig().BeaconStateFuluFieldCount
+	case version.Gloas:
+		fieldCount = params.BeaconConfig().BeaconStateGloasFieldCount
 	}

 	dst := &BeaconState{
@@ -811,6 +947,12 @@ func (b *BeaconState) Copy() state.BeaconState {
 		latestExecutionPayloadHeader:        b.latestExecutionPayloadHeader.Copy(),
 		latestExecutionPayloadHeaderCapella: b.latestExecutionPayloadHeaderCapella.Copy(),
 		latestExecutionPayloadHeaderDeneb:   b.latestExecutionPayloadHeaderDeneb.Copy(),
+		latestExecutionPayloadBid:           b.latestExecutionPayloadBid.Copy(),
+		executionPayloadAvailability:        b.executionPayloadAvailabilityVal(),
+		builderPendingPayments:              b.builderPendingPaymentsVal(),
+		builderPendingWithdrawals:           b.builderPendingWithdrawalsVal(),
+		latestBlockHash:                     b.latestBlockHashVal(),
+		latestWithdrawalsRoot:               b.latestWithdrawalsRootVal(),

 		id: types.Enumerator.Inc(),

@@ -847,6 +989,8 @@ func (b *BeaconState) Copy() state.BeaconState {
 		dst.sharedFieldReferences = make(map[types.FieldIndex]*stateutil.Reference, electraSharedFieldRefCount)
 	case version.Fulu:
 		dst.sharedFieldReferences = make(map[types.FieldIndex]*stateutil.Reference, fuluSharedFieldRefCount)
+	case version.Gloas:
+		dst.sharedFieldReferences = make(map[types.FieldIndex]*stateutil.Reference, gloasSharedFieldRefCount)
 	}

 	for field, ref := range b.sharedFieldReferences {
@@ -942,6 +1086,8 @@ func (b *BeaconState) initializeMerkleLayers(ctx context.Context) error {
 		b.dirtyFields = make(map[types.FieldIndex]bool, params.BeaconConfig().BeaconStateElectraFieldCount)
 	case version.Fulu:
 		b.dirtyFields = make(map[types.FieldIndex]bool, params.BeaconConfig().BeaconStateFuluFieldCount)
+	case version.Gloas:
+		b.dirtyFields = make(map[types.FieldIndex]bool, params.BeaconConfig().BeaconStateGloasFieldCount)
 	default:
 		return fmt.Errorf("unknown state version (%s) when computing dirty fields in merklization", version.String(b.version))
 	}
@@ -1180,6 +1326,19 @@ func (b *BeaconState) rootSelector(ctx context.Context, field types.FieldIndex)
 		return stateutil.PendingConsolidationsRoot(b.pendingConsolidations)
 	case types.ProposerLookahead:
 		return stateutil.ProposerLookaheadRoot(b.proposerLookahead)
+	case types.LatestExecutionPayloadBid:
+		return b.latestExecutionPayloadBid.HashTreeRoot()
+	case types.ExecutionPayloadAvailability:
+		return stateutil.ExecutionPayloadAvailabilityRoot(b.executionPayloadAvailability)
+
+	case types.BuilderPendingPayments:
+		return stateutil.BuilderPendingPaymentsRoot(b.builderPendingPayments)
+	case types.BuilderPendingWithdrawals:
+		return stateutil.BuilderPendingWithdrawalsRoot(b.builderPendingWithdrawals)
+	case types.LatestBlockHash:
+		return bytesutil.ToBytes32(b.latestBlockHash), nil
+	case types.LatestWithdrawalsRoot:
+		return bytesutil.ToBytes32(b.latestWithdrawalsRoot), nil
 	}
 	return [32]byte{}, errors.New("invalid field index provided")
 }
--- a/beacon-chain/state/state-native/types/types.go
+++ b/beacon-chain/state/state-native/types/types.go
@@ -88,6 +88,8 @@ func (f FieldIndex) String() string {
 		return "latestExecutionPayloadHeaderCapella"
 	case LatestExecutionPayloadHeaderDeneb:
 		return "latestExecutionPayloadHeaderDeneb"
+	case LatestExecutionPayloadBid:
+		return "latestExecutionPayloadBid"
 	case NextWithdrawalIndex:
 		return "nextWithdrawalIndex"
 	case NextWithdrawalValidatorIndex:
@@ -114,6 +116,16 @@ func (f FieldIndex) String() string {
 		return "pendingConsolidations"
 	case ProposerLookahead:
 		return "proposerLookahead"
+	case ExecutionPayloadAvailability:
+		return "executionPayloadAvailability"
+	case BuilderPendingPayments:
+		return "builderPendingPayments"
+	case BuilderPendingWithdrawals:
+		return "builderPendingWithdrawals"
+	case LatestBlockHash:
+		return "latestBlockHash"
+	case LatestWithdrawalsRoot:
+		return "latestWithdrawalsRoot"
 	default:
 		return fmt.Sprintf("unknown field index number: %d", f)
 	}
@@ -171,7 +183,7 @@ func (f FieldIndex) RealPosition() int {
 		return 22
 	case NextSyncCommittee:
 		return 23
-	case LatestExecutionPayloadHeader, LatestExecutionPayloadHeaderCapella, LatestExecutionPayloadHeaderDeneb:
+	case LatestExecutionPayloadHeader, LatestExecutionPayloadHeaderCapella, LatestExecutionPayloadHeaderDeneb, LatestExecutionPayloadBid:
 		return 24
 	case NextWithdrawalIndex:
 		return 25
@@ -199,6 +211,16 @@ func (f FieldIndex) RealPosition() int {
 		return 36
 	case ProposerLookahead:
 		return 37
+	case ExecutionPayloadAvailability:
+		return 38
+	case BuilderPendingPayments:
+		return 39
+	case BuilderPendingWithdrawals:
+		return 40
+	case LatestBlockHash:
+		return 41
+	case LatestWithdrawalsRoot:
+		return 42
 	default:
 		return -1
 	}
@@ -251,6 +273,7 @@ const (
 	LatestExecutionPayloadHeader
 	LatestExecutionPayloadHeaderCapella
 	LatestExecutionPayloadHeaderDeneb
+	LatestExecutionPayloadBid // Gloas: EIP-7732
 	NextWithdrawalIndex
 	NextWithdrawalValidatorIndex
 	HistoricalSummaries
@@ -264,6 +287,11 @@ const (
 	PendingPartialWithdrawals     // Electra: EIP-7251
 	PendingConsolidations         // Electra: EIP-7251
 	ProposerLookahead             // Fulu: EIP-7917
+	ExecutionPayloadAvailability  // Gloas: EIP-7732
+	BuilderPendingPayments        // Gloas: EIP-7732
+	BuilderPendingWithdrawals     // Gloas: EIP-7732
+	LatestBlockHash               // Gloas: EIP-7732
+	LatestWithdrawalsRoot         // Gloas: EIP-7732
 )

 // Enumerator keeps track of the number of states created since the node's start.
--- a/beacon-chain/state/stateutil/BUILD.bazel
+++ b/beacon-chain/state/stateutil/BUILD.bazel
@@ -4,7 +4,10 @@ go_library(
    name = "go_default_library",
    srcs = [
        "block_header_root.go",
+        "builder_pending_payments_root.go",
+        "builder_pending_withdrawals_root.go",
        "eth1_root.go",
+        "execution_payload_availability_root.go",
        "field_root_attestation.go",
        "field_root_eth1.go",
        "field_root_validator.go",
--- a/beacon-chain/state/stateutil/builder_pending_payments_root.go
+++ b/beacon-chain/state/stateutil/builder_pending_payments_root.go
@@ -0,0 +1,22 @@
+package stateutil
+
+import (
+	"github.com/OffchainLabs/prysm/v7/encoding/ssz"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+// BuilderPendingPaymentsRoot computes the merkle root of a slice of BuilderPendingPayment.
+func BuilderPendingPaymentsRoot(slice []*ethpb.BuilderPendingPayment) ([32]byte, error) {
+	roots := make([][32]byte, len(slice))
+
+	for i, payment := range slice {
+		r, err := payment.HashTreeRoot()
+		if err != nil {
+			return [32]byte{}, err
+		}
+
+		roots[i] = r
+	}
+
+	return ssz.MerkleizeVector(roots, uint64(len(roots))), nil
+}
--- a/beacon-chain/state/stateutil/builder_pending_withdrawals_root.go
+++ b/beacon-chain/state/stateutil/builder_pending_withdrawals_root.go
@@ -0,0 +1,12 @@
+package stateutil
+
+import (
+	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v7/encoding/ssz"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+// BuilderPendingWithdrawalsRoot computes the SSZ root of a slice of BuilderPendingWithdrawal.
+func BuilderPendingWithdrawalsRoot(slice []*ethpb.BuilderPendingWithdrawal) ([32]byte, error) {
+	return ssz.SliceRoot(slice, fieldparams.BuilderPendingWithdrawalsLimit)
+}
--- a/beacon-chain/state/stateutil/execution_payload_availability_root.go
+++ b/beacon-chain/state/stateutil/execution_payload_availability_root.go
@@ -0,0 +1,25 @@
+package stateutil
+
+import (
+	"fmt"
+
+	"github.com/OffchainLabs/prysm/v7/encoding/ssz"
+)
+
+// ExecutionPayloadAvailabilityRoot computes the merkle root of an execution payload availability bitvector.
+func ExecutionPayloadAvailabilityRoot(bitvector []byte) ([32]byte, error) {
+	chunkCount := (len(bitvector) + 31) / 32
+	chunks := make([][32]byte, chunkCount)
+
+	for i := range chunks {
+		start := i * 32
+		end := min(start+32, len(bitvector))
+		copy(chunks[i][:], bitvector[start:end])
+	}
+
+	root, err := ssz.BitwiseMerkleize(chunks, uint64(len(chunks)), uint64(len(chunks)))
+	if err != nil {
+		return [32]byte{}, fmt.Errorf("could not merkleize execution payload availability: %w", err)
+	}
+	return root, nil
+}
--- a/changelog/ttsao_add-gloas-beacon-state.md
+++ b/changelog/ttsao_add-gloas-beacon-state.md
@@ -0,0 +1,3 @@
+### Added
+
+- Implement Gloas state
--- a/config/fieldparams/mainnet.go
+++ b/config/fieldparams/mainnet.go
@@ -44,6 +44,7 @@ const (
 	MaxAttesterSlashingsElectra           = 1                 // Maximum number of attester slashings in a block.
 	MaxRandomByte                         = uint64(1<<8 - 1)  // MaxRandomByte defines max for a random byte using for proposer and sync committee sampling.
 	MaxRandomValueElectra                 = uint64(1<<16 - 1) // MaxRandomValueElectra defines max for a random value using for proposer and sync committee sampling.
+	BuilderPendingWithdrawalsLimit        = 1048576           // Maximum number of builder pending withdrawals.

 	// Introduced in Fulu network upgrade.
 	NumberOfColumns = 128 // NumberOfColumns refers to the specified number of data columns that can exist in a network.
--- a/config/fieldparams/minimal.go
+++ b/config/fieldparams/minimal.go
@@ -44,6 +44,7 @@ const (
 	MaxAttesterSlashingsElectra           = 1                 // Maximum number of attester slashings in a block.
 	MaxRandomByte                         = uint64(1<<8 - 1)  // Maximum value for a random value using for proposer and sync committee sampling.
 	MaxRandomValueElectra                 = uint64(1<<16 - 1) // Maximum value for a random value using for proposer and sync committee sampling.
+	BuilderPendingWithdrawalsLimit        = 1048576           // Maximum number of builder pending withdrawals.

 	// Introduced in Fulu network upgrade.
 	NumberOfColumns = 128 // NumberOfColumns refers to the specified number of data columns that can exist in a network.
--- a/config/params/config.go
+++ b/config/params/config.go
@@ -162,6 +162,7 @@ type BeaconChainConfig struct {
 	BeaconStateDenebFieldCount     int             // BeaconStateDenebFieldCount defines how many fields are in beacon state post upgrade to Deneb.
 	BeaconStateElectraFieldCount   int             // BeaconStateElectraFieldCount defines how many fields are in beacon state post upgrade to Electra.
 	BeaconStateFuluFieldCount      int             // BeaconStateFuluFieldCount defines how many fields are in beacon state post upgrade to Fulu.
+	BeaconStateGloasFieldCount     int             // BeaconStateGloasFieldCount defines how many fields are in beacon state post upgrade to Gloas.

 	// Slasher constants.
 	WeakSubjectivityPeriod    primitives.Epoch // WeakSubjectivityPeriod defines the time period expressed in number of epochs were proof of stake network should validate block headers and attestations for slashable events.
--- a/config/params/mainnet_config.go
+++ b/config/params/mainnet_config.go
@@ -206,6 +206,7 @@ var mainnetBeaconConfig = &BeaconChainConfig{
 	BeaconStateDenebFieldCount:     28,
 	BeaconStateElectraFieldCount:   37,
 	BeaconStateFuluFieldCount:      38,
+	BeaconStateGloasFieldCount:     43,

 	// Slasher related values.
 	WeakSubjectivityPeriod:          54000,
--- a/encoding/ssz/detect/configfork.go
+++ b/encoding/ssz/detect/configfork.go
@@ -172,6 +172,18 @@ func (cf *VersionedUnmarshaler) UnmarshalBeaconState(marshaled []byte) (s state.
 		if err != nil {
 			return nil, errors.Wrapf(err, "failed to init state trie from state, detected fork=%s", forkName)
 		}
+	case version.Gloas:
+		st := &ethpb.BeaconStateGloas{}
+
+		err = st.UnmarshalSSZ(marshaled)
+		if err != nil {
+			return nil, errors.Wrapf(err, "failed to unmarshal state, detected fork=%s", forkName)
+		}
+
+		s, err = state_native.InitializeFromProtoUnsafeGloas(st)
+		if err != nil {
+			return nil, errors.Wrapf(err, "failed to init state trie from state, detected fork=%s", forkName)
+		}
 	default:
 		return nil, fmt.Errorf("unable to initialize BeaconState for fork version=%s", forkName)
 	}
--- a/proto/engine/v1/gloas.pb.go
+++ b/proto/engine/v1/gloas.pb.go
@@ -0,0 +1,288 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.3
+// 	protoc        v3.21.7
+// source: proto/engine/v1/gloas.proto
+
+package enginev1
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	github_com_OffchainLabs_prysm_v6_consensus_types_primitives "github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	_ "github.com/OffchainLabs/prysm/v7/proto/eth/ext"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ExecutionPayloadEnvelope struct {
+	state              protoimpl.MessageState                                                     `protogen:"open.v1"`
+	Payload            *ExecutionPayloadDeneb                                                     `protobuf:"bytes,1,opt,name=payload,proto3" json:"payload,omitempty"`
+	ExecutionRequests  *ExecutionRequests                                                         `protobuf:"bytes,2,opt,name=execution_requests,json=executionRequests,proto3" json:"execution_requests,omitempty"`
+	BuilderIndex       github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex `protobuf:"varint,3,opt,name=builder_index,json=builderIndex,proto3" json:"builder_index,omitempty" cast-type:"github.com/OffchainLabs/prysm/v7/consensus-types/primitives.ValidatorIndex"`
+	BeaconBlockRoot    []byte                                                                     `protobuf:"bytes,4,opt,name=beacon_block_root,json=beaconBlockRoot,proto3" json:"beacon_block_root,omitempty" ssz-size:"32"`
+	Slot               github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot           `protobuf:"varint,5,opt,name=slot,proto3" json:"slot,omitempty" cast-type:"github.com/OffchainLabs/prysm/v7/consensus-types/primitives.Slot"`
+	BlobKzgCommitments [][]byte                                                                   `protobuf:"bytes,6,rep,name=blob_kzg_commitments,json=blobKzgCommitments,proto3" json:"blob_kzg_commitments,omitempty" ssz-max:"4096" ssz-size:"?,48"`
+	StateRoot          []byte                                                                     `protobuf:"bytes,7,opt,name=state_root,json=stateRoot,proto3" json:"state_root,omitempty" ssz-size:"32"`
+	unknownFields      protoimpl.UnknownFields
+	sizeCache          protoimpl.SizeCache
+}
+
+func (x *ExecutionPayloadEnvelope) Reset() {
+	*x = ExecutionPayloadEnvelope{}
+	mi := &file_proto_engine_v1_gloas_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ExecutionPayloadEnvelope) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExecutionPayloadEnvelope) ProtoMessage() {}
+
+func (x *ExecutionPayloadEnvelope) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_engine_v1_gloas_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExecutionPayloadEnvelope.ProtoReflect.Descriptor instead.
+func (*ExecutionPayloadEnvelope) Descriptor() ([]byte, []int) {
+	return file_proto_engine_v1_gloas_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ExecutionPayloadEnvelope) GetPayload() *ExecutionPayloadDeneb {
+	if x != nil {
+		return x.Payload
+	}
+	return nil
+}
+
+func (x *ExecutionPayloadEnvelope) GetExecutionRequests() *ExecutionRequests {
+	if x != nil {
+		return x.ExecutionRequests
+	}
+	return nil
+}
+
+func (x *ExecutionPayloadEnvelope) GetBuilderIndex() github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex {
+	if x != nil {
+		return x.BuilderIndex
+	}
+	return github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex(0)
+}
+
+func (x *ExecutionPayloadEnvelope) GetBeaconBlockRoot() []byte {
+	if x != nil {
+		return x.BeaconBlockRoot
+	}
+	return nil
+}
+
+func (x *ExecutionPayloadEnvelope) GetSlot() github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot {
+	if x != nil {
+		return x.Slot
+	}
+	return github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot(0)
+}
+
+func (x *ExecutionPayloadEnvelope) GetBlobKzgCommitments() [][]byte {
+	if x != nil {
+		return x.BlobKzgCommitments
+	}
+	return nil
+}
+
+func (x *ExecutionPayloadEnvelope) GetStateRoot() []byte {
+	if x != nil {
+		return x.StateRoot
+	}
+	return nil
+}
+
+type SignedExecutionPayloadEnvelope struct {
+	state         protoimpl.MessageState    `protogen:"open.v1"`
+	Message       *ExecutionPayloadEnvelope `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	Signature     []byte                    `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty" ssz-size:"96"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *SignedExecutionPayloadEnvelope) Reset() {
+	*x = SignedExecutionPayloadEnvelope{}
+	mi := &file_proto_engine_v1_gloas_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *SignedExecutionPayloadEnvelope) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SignedExecutionPayloadEnvelope) ProtoMessage() {}
+
+func (x *SignedExecutionPayloadEnvelope) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_engine_v1_gloas_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SignedExecutionPayloadEnvelope.ProtoReflect.Descriptor instead.
+func (*SignedExecutionPayloadEnvelope) Descriptor() ([]byte, []int) {
+	return file_proto_engine_v1_gloas_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SignedExecutionPayloadEnvelope) GetMessage() *ExecutionPayloadEnvelope {
+	if x != nil {
+		return x.Message
+	}
+	return nil
+}
+
+func (x *SignedExecutionPayloadEnvelope) GetSignature() []byte {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
+var File_proto_engine_v1_gloas_proto protoreflect.FileDescriptor
+
+var file_proto_engine_v1_gloas_proto_rawDesc = []byte{
+	0x0a, 0x1b, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x2f, 0x76,
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+	0x31, 0x1a, 0x26, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x2f,
+	0x76, 0x31, 0x2f, 0x65, 0x78, 0x65, 0x63, 0x75, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x65, 0x6e, 0x67,
+	0x69, 0x6e, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1d, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2f, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x65, 0x6c, 0x65, 0x63, 0x74,
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+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xa3, 0x04, 0x0a, 0x18, 0x45, 0x78, 0x65, 0x63, 0x75, 0x74,
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+	0x70, 0x65, 0x12, 0x43, 0x0a, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x18, 0x01, 0x20,
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+	0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
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+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x24, 0x0a, 0x09, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74,
+	0x75, 0x72, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x42, 0x06, 0x8a, 0xb5, 0x18, 0x02, 0x39,
+	0x36, 0x52, 0x09, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x42, 0x3b, 0x5a, 0x39,
+	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x4f, 0x66, 0x66, 0x63, 0x68,
+	0x61, 0x69, 0x6e, 0x4c, 0x61, 0x62, 0x73, 0x2f, 0x70, 0x72, 0x79, 0x73, 0x6d, 0x2f, 0x76, 0x36,
+	0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x2f, 0x76, 0x31,
+	0x3b, 0x65, 0x6e, 0x67, 0x69, 0x6e, 0x65, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
+}
+
+var (
+	file_proto_engine_v1_gloas_proto_rawDescOnce sync.Once
+	file_proto_engine_v1_gloas_proto_rawDescData = file_proto_engine_v1_gloas_proto_rawDesc
+)
+
+func file_proto_engine_v1_gloas_proto_rawDescGZIP() []byte {
+	file_proto_engine_v1_gloas_proto_rawDescOnce.Do(func() {
+		file_proto_engine_v1_gloas_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_engine_v1_gloas_proto_rawDescData)
+	})
+	return file_proto_engine_v1_gloas_proto_rawDescData
+}
+
+var file_proto_engine_v1_gloas_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proto_engine_v1_gloas_proto_goTypes = []any{
+	(*ExecutionPayloadEnvelope)(nil),       // 0: ethereum.engine.v1.ExecutionPayloadEnvelope
+	(*SignedExecutionPayloadEnvelope)(nil), // 1: ethereum.engine.v1.SignedExecutionPayloadEnvelope
+	(*ExecutionPayloadDeneb)(nil),          // 2: ethereum.engine.v1.ExecutionPayloadDeneb
+	(*ExecutionRequests)(nil),              // 3: ethereum.engine.v1.ExecutionRequests
+}
+var file_proto_engine_v1_gloas_proto_depIdxs = []int32{
+	2, // 0: ethereum.engine.v1.ExecutionPayloadEnvelope.payload:type_name -> ethereum.engine.v1.ExecutionPayloadDeneb
+	3, // 1: ethereum.engine.v1.ExecutionPayloadEnvelope.execution_requests:type_name -> ethereum.engine.v1.ExecutionRequests
+	0, // 2: ethereum.engine.v1.SignedExecutionPayloadEnvelope.message:type_name -> ethereum.engine.v1.ExecutionPayloadEnvelope
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
+}
+
+func init() { file_proto_engine_v1_gloas_proto_init() }
+func file_proto_engine_v1_gloas_proto_init() {
+	if File_proto_engine_v1_gloas_proto != nil {
+		return
+	}
+	file_proto_engine_v1_execution_engine_proto_init()
+	file_proto_engine_v1_electra_proto_init()
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proto_engine_v1_gloas_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_proto_engine_v1_gloas_proto_goTypes,
+		DependencyIndexes: file_proto_engine_v1_gloas_proto_depIdxs,
+		MessageInfos:      file_proto_engine_v1_gloas_proto_msgTypes,
+	}.Build()
+	File_proto_engine_v1_gloas_proto = out.File
+	file_proto_engine_v1_gloas_proto_rawDesc = nil
+	file_proto_engine_v1_gloas_proto_goTypes = nil
+	file_proto_engine_v1_gloas_proto_depIdxs = nil
+}
--- a/proto/prysm/v1alpha1/BUILD.bazel
+++ b/proto/prysm/v1alpha1/BUILD.bazel
@@ -371,6 +371,7 @@ go_library(
        "beacon_block.go",
        "cloners.go",
        "eip_7521.go",
+        "gloas.go",
        "log.go",
        "sync_committee_mainnet.go",
        "sync_committee_minimal.go",  # keep
--- a/proto/prysm/v1alpha1/gloas.go
+++ b/proto/prysm/v1alpha1/gloas.go
@@ -0,0 +1,47 @@
+package eth
+
+import (
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+)
+
+// Copy creates a deep copy of ExecutionPayloadBid.
+func (header *ExecutionPayloadBid) Copy() *ExecutionPayloadBid {
+	if header == nil {
+		return nil
+	}
+	return &ExecutionPayloadBid{
+		ParentBlockHash:        bytesutil.SafeCopyBytes(header.ParentBlockHash),
+		ParentBlockRoot:        bytesutil.SafeCopyBytes(header.ParentBlockRoot),
+		BlockHash:              bytesutil.SafeCopyBytes(header.BlockHash),
+		FeeRecipient:           bytesutil.SafeCopyBytes(header.FeeRecipient),
+		GasLimit:               header.GasLimit,
+		BuilderIndex:           header.BuilderIndex,
+		Slot:                   header.Slot,
+		Value:                  header.Value,
+		BlobKzgCommitmentsRoot: bytesutil.SafeCopyBytes(header.BlobKzgCommitmentsRoot),
+	}
+}
+
+// Copy creates a deep copy of BuilderPendingWithdrawal.
+func (withdrawal *BuilderPendingWithdrawal) Copy() *BuilderPendingWithdrawal {
+	if withdrawal == nil {
+		return nil
+	}
+	return &BuilderPendingWithdrawal{
+		FeeRecipient:      bytesutil.SafeCopyBytes(withdrawal.FeeRecipient),
+		Amount:            withdrawal.Amount,
+		BuilderIndex:      withdrawal.BuilderIndex,
+		WithdrawableEpoch: withdrawal.WithdrawableEpoch,
+	}
+}
+
+// Copy creates a deep copy of BuilderPendingPayment.
+func (payment *BuilderPendingPayment) Copy() *BuilderPendingPayment {
+	if payment == nil {
+		return nil
+	}
+	return &BuilderPendingPayment{
+		Weight:     payment.Weight,
+		Withdrawal: payment.Withdrawal.Copy(),
+	}
+}
--- a/proto/prysm/v1alpha1/gloas_test.go
+++ b/proto/prysm/v1alpha1/gloas_test.go
@@ -0,0 +1,168 @@
+package eth
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+)
+
+func TestExecutionPayloadBid_Copy(t *testing.T) {
+	tests := []struct {
+		name string
+		bid  *ExecutionPayloadBid
+	}{
+		{
+			name: "nil bid",
+			bid:  nil,
+		},
+		{
+			name: "empty bid",
+			bid:  &ExecutionPayloadBid{},
+		},
+		{
+			name: "fully populated bid",
+			bid: &ExecutionPayloadBid{
+				ParentBlockHash:        []byte("parent_block_hash_32_bytes_long!"),
+				ParentBlockRoot:        []byte("parent_block_root_32_bytes_long!"),
+				BlockHash:              []byte("block_hash_32_bytes_are_long!!"),
+				FeeRecipient:           []byte("fee_recipient_20_byt"),
+				GasLimit:               15000000,
+				BuilderIndex:           primitives.ValidatorIndex(42),
+				Slot:                   primitives.Slot(12345),
+				Value:                  1000000000000000000,
+				BlobKzgCommitmentsRoot: []byte("blob_kzg_commitments_32_bytes!!"),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			copied := tt.bid.Copy()
+			if tt.bid == nil {
+				if copied != nil {
+					t.Errorf("Copy() of nil should return nil, got %v", copied)
+				}
+				return
+			}
+
+			if !reflect.DeepEqual(tt.bid, copied) {
+				t.Errorf("Copy() = %v, want %v", copied, tt.bid)
+			}
+
+			if len(tt.bid.ParentBlockHash) > 0 {
+				tt.bid.ParentBlockHash[0] = 0xFF
+				if copied.ParentBlockHash[0] == 0xFF {
+					t.Error("Copy() did not create deep copy of ParentBlockHash")
+				}
+			}
+		})
+	}
+}
+
+func TestBuilderPendingWithdrawal_Copy(t *testing.T) {
+	tests := []struct {
+		name       string
+		withdrawal *BuilderPendingWithdrawal
+	}{
+		{
+			name:       "nil withdrawal",
+			withdrawal: nil,
+		},
+		{
+			name:       "empty withdrawal",
+			withdrawal: &BuilderPendingWithdrawal{},
+		},
+		{
+			name: "fully populated withdrawal",
+			withdrawal: &BuilderPendingWithdrawal{
+				FeeRecipient:      []byte("fee_recipient_20_byt"),
+				Amount:            primitives.Gwei(5000000000),
+				BuilderIndex:      primitives.ValidatorIndex(123),
+				WithdrawableEpoch: primitives.Epoch(456),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			copied := tt.withdrawal.Copy()
+			if tt.withdrawal == nil {
+				if copied != nil {
+					t.Errorf("Copy() of nil should return nil, got %v", copied)
+				}
+				return
+			}
+
+			if !reflect.DeepEqual(tt.withdrawal, copied) {
+				t.Errorf("Copy() = %v, want %v", copied, tt.withdrawal)
+			}
+
+			// Verify deep copy by modifying original
+			if len(tt.withdrawal.FeeRecipient) > 0 {
+				tt.withdrawal.FeeRecipient[0] = 0xFF
+				if copied.FeeRecipient[0] == 0xFF {
+					t.Error("Copy() did not create deep copy of FeeRecipient")
+				}
+			}
+		})
+	}
+}
+
+func TestBuilderPendingPayment_Copy(t *testing.T) {
+	tests := []struct {
+		name    string
+		payment *BuilderPendingPayment
+	}{
+		{
+			name:    "nil payment",
+			payment: nil,
+		},
+		{
+			name:    "empty payment",
+			payment: &BuilderPendingPayment{},
+		},
+		{
+			name: "payment with nil withdrawal",
+			payment: &BuilderPendingPayment{
+				Weight:     primitives.Gwei(1000),
+				Withdrawal: nil,
+			},
+		},
+		{
+			name: "fully populated payment",
+			payment: &BuilderPendingPayment{
+				Weight: primitives.Gwei(2500),
+				Withdrawal: &BuilderPendingWithdrawal{
+					FeeRecipient:      []byte("test_recipient_20byt"),
+					Amount:            primitives.Gwei(10000),
+					BuilderIndex:      primitives.ValidatorIndex(789),
+					WithdrawableEpoch: primitives.Epoch(999),
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			copied := tt.payment.Copy()
+			if tt.payment == nil {
+				if copied != nil {
+					t.Errorf("Copy() of nil should return nil, got %v", copied)
+				}
+				return
+			}
+
+			if !reflect.DeepEqual(tt.payment, copied) {
+				t.Errorf("Copy() = %v, want %v", copied, tt.payment)
+			}
+
+			if tt.payment.Withdrawal != nil && len(tt.payment.Withdrawal.FeeRecipient) > 0 {
+				tt.payment.Withdrawal.FeeRecipient[0] = 0xFF
+				if copied.Withdrawal != nil && len(copied.Withdrawal.FeeRecipient) > 0 && copied.Withdrawal.FeeRecipient[0] == 0xFF {
+					t.Error("Copy() did not create deep copy of nested Withdrawal.FeeRecipient")
+				}
+			}
+		})
+	}
+}
--- a/runtime/version/fork.go
+++ b/runtime/version/fork.go
@@ -14,6 +14,7 @@ const (
 	Deneb
 	Electra
 	Fulu
+	Gloas
 )

 var versionToString = map[int]string{
--- a/testing/spectest/shared/gloas/ssz_static/BUILD.bazel
+++ b/testing/spectest/shared/gloas/ssz_static/BUILD.bazel
@@ -7,8 +7,10 @@ go_library(
    importpath = "github.com/OffchainLabs/prysm/v7/testing/spectest/shared/gloas/ssz_static",
    visibility = ["//testing/spectest:__subpackages__"],
    deps = [
+        "//beacon-chain/state/state-native:go_default_library",
        "//proto/engine/v1:go_default_library",
        "//proto/prysm/v1alpha1:go_default_library",
+        "//testing/require:go_default_library",
        "//testing/spectest/shared/common/ssz_static:go_default_library",
        "@com_github_prysmaticlabs_fastssz//:go_default_library",
    ],
--- a/testing/spectest/shared/gloas/ssz_static/ssz_static.go
+++ b/testing/spectest/shared/gloas/ssz_static/ssz_static.go
@@ -1,11 +1,14 @@
 package ssz_static

 import (
+	"context"
 	"errors"
 	"testing"

+	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/require"
 	common "github.com/OffchainLabs/prysm/v7/testing/spectest/shared/common/ssz_static"
 	fssz "github.com/prysmaticlabs/fastssz"
 )
@@ -16,8 +19,18 @@ func RunSSZStaticTests(t *testing.T, config string) {
 }

 func customHtr(t *testing.T, htrs []common.HTR, object any) []common.HTR {
-	// TODO: Add custom HTR for BeaconStateGloas when state-native support is implemented
-	// For now, only use the default fastssz HTR methods
+	_, ok := object.(*ethpb.BeaconStateGloas)
+	if !ok {
+		return htrs
+	}
+
+	htrs = append(htrs, func(s any) ([32]byte, error) {
+		beaconState, err := state_native.InitializeFromProtoGloas(s.(*ethpb.BeaconStateGloas))
+		require.NoError(t, err)
+
+		return beaconState.HashTreeRoot(context.Background())
+	})
+
 	return htrs
 }