Simplify next Fork boilerplate creation. (#14761)

* Simplify next Fork boilerplate creation.

* Update beacon-chain/blockchain/execution_engine.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/blockchain/execution_engine.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/blockchain/execution_engine.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/state/state-native/spec_parameters.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/state/state-native/spec_parameters.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/state/state-native/spec_parameters.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/state/state-native/spec_parameters.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Fix Radek's comments.

---------

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

proto/engine/v1/electra.go

@@ -8,9 +8,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 )
 
-type ExecutionPayloadElectra = ExecutionPayloadDeneb
-type ExecutionPayloadHeaderElectra = ExecutionPayloadHeaderDeneb
-
 var (
 	drExample = &DepositRequest{}
 	drSize    = drExample.SizeSSZ()

proto/prysm/v1alpha1/beacon_block.go

@@ -5,6 +5,10 @@ import (
 	enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 )
 
+// ----------------------------------------------------------------------------
+// Phase 0
+// ----------------------------------------------------------------------------
+
 // Copy --
 func (sigBlock *SignedBeaconBlock) Copy() *SignedBeaconBlock {
 	if sigBlock == nil {
@@ -47,443 +51,6 @@ func (body *BeaconBlockBody) Copy() *BeaconBlockBody {
 	}
 }
 
-// Copy --
-func (sigBlock *SignedBeaconBlockAltair) Copy() *SignedBeaconBlockAltair {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBeaconBlockAltair{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BeaconBlockAltair) Copy() *BeaconBlockAltair {
-	if block == nil {
-		return nil
-	}
-	return &BeaconBlockAltair{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BeaconBlockBodyAltair) Copy() *BeaconBlockBodyAltair {
-	if body == nil {
-		return nil
-	}
-	return &BeaconBlockBodyAltair{
-		RandaoReveal:      bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:          body.Eth1Data.Copy(),
-		Graffiti:          bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings: CopySlice(body.ProposerSlashings),
-		AttesterSlashings: CopySlice(body.AttesterSlashings),
-		Attestations:      CopySlice(body.Attestations),
-		Deposits:          CopySlice(body.Deposits),
-		VoluntaryExits:    CopySlice(body.VoluntaryExits),
-		SyncAggregate:     body.SyncAggregate.Copy(),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBeaconBlockBellatrix) Copy() *SignedBeaconBlockBellatrix {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBeaconBlockBellatrix{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BeaconBlockBellatrix) Copy() *BeaconBlockBellatrix {
-	if block == nil {
-		return nil
-	}
-	return &BeaconBlockBellatrix{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BeaconBlockBodyBellatrix) Copy() *BeaconBlockBodyBellatrix {
-	if body == nil {
-		return nil
-	}
-	return &BeaconBlockBodyBellatrix{
-		RandaoReveal:      bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:          body.Eth1Data.Copy(),
-		Graffiti:          bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings: CopySlice(body.ProposerSlashings),
-		AttesterSlashings: CopySlice(body.AttesterSlashings),
-		Attestations:      CopySlice(body.Attestations),
-		Deposits:          CopySlice(body.Deposits),
-		VoluntaryExits:    CopySlice(body.VoluntaryExits),
-		SyncAggregate:     body.SyncAggregate.Copy(),
-		ExecutionPayload:  body.ExecutionPayload.Copy(),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBeaconBlockCapella) Copy() *SignedBeaconBlockCapella {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBeaconBlockCapella{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BeaconBlockCapella) Copy() *BeaconBlockCapella {
-	if block == nil {
-		return nil
-	}
-	return &BeaconBlockCapella{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BeaconBlockBodyCapella) Copy() *BeaconBlockBodyCapella {
-	if body == nil {
-		return nil
-	}
-	return &BeaconBlockBodyCapella{
-		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:              body.Eth1Data.Copy(),
-		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:     CopySlice(body.ProposerSlashings),
-		AttesterSlashings:     CopySlice(body.AttesterSlashings),
-		Attestations:          CopySlice(body.Attestations),
-		Deposits:              CopySlice(body.Deposits),
-		VoluntaryExits:        CopySlice(body.VoluntaryExits),
-		SyncAggregate:         body.SyncAggregate.Copy(),
-		ExecutionPayload:      body.ExecutionPayload.Copy(),
-		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBlindedBeaconBlockCapella) Copy() *SignedBlindedBeaconBlockCapella {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBlindedBeaconBlockCapella{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BlindedBeaconBlockCapella) Copy() *BlindedBeaconBlockCapella {
-	if block == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockCapella{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BlindedBeaconBlockBodyCapella) Copy() *BlindedBeaconBlockBodyCapella {
-	if body == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockBodyCapella{
-		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:               body.Eth1Data.Copy(),
-		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:      CopySlice(body.ProposerSlashings),
-		AttesterSlashings:      CopySlice(body.AttesterSlashings),
-		Attestations:           CopySlice(body.Attestations),
-		Deposits:               CopySlice(body.Deposits),
-		VoluntaryExits:         CopySlice(body.VoluntaryExits),
-		SyncAggregate:          body.SyncAggregate.Copy(),
-		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
-		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBlindedBeaconBlockDeneb) Copy() *SignedBlindedBeaconBlockDeneb {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBlindedBeaconBlockDeneb{
-		Message:   sigBlock.Message.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BlindedBeaconBlockDeneb) Copy() *BlindedBeaconBlockDeneb {
-	if block == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockDeneb{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BlindedBeaconBlockBodyDeneb) Copy() *BlindedBeaconBlockBodyDeneb {
-	if body == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockBodyDeneb{
-		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:               body.Eth1Data.Copy(),
-		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:      CopySlice(body.ProposerSlashings),
-		AttesterSlashings:      CopySlice(body.AttesterSlashings),
-		Attestations:           CopySlice(body.Attestations),
-		Deposits:               CopySlice(body.Deposits),
-		VoluntaryExits:         CopySlice(body.VoluntaryExits),
-		SyncAggregate:          body.SyncAggregate.Copy(),
-		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
-		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
-		BlobKzgCommitments:     CopyBlobKZGs(body.BlobKzgCommitments),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBlindedBeaconBlockElectra) Copy() *SignedBlindedBeaconBlockElectra {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBlindedBeaconBlockElectra{
-		Message:   sigBlock.Message.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BlindedBeaconBlockElectra) Copy() *BlindedBeaconBlockElectra {
-	if block == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockElectra{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BlindedBeaconBlockBodyElectra) Copy() *BlindedBeaconBlockBodyElectra {
-	if body == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockBodyElectra{
-		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:               body.Eth1Data.Copy(),
-		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:      CopySlice(body.ProposerSlashings),
-		AttesterSlashings:      CopySlice(body.AttesterSlashings),
-		Attestations:           CopySlice(body.Attestations),
-		Deposits:               CopySlice(body.Deposits),
-		VoluntaryExits:         CopySlice(body.VoluntaryExits),
-		SyncAggregate:          body.SyncAggregate.Copy(),
-		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
-		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
-		BlobKzgCommitments:     CopyBlobKZGs(body.BlobKzgCommitments),
-		ExecutionRequests:      CopyExecutionRequests(body.ExecutionRequests),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBlindedBeaconBlockBellatrix) Copy() *SignedBlindedBeaconBlockBellatrix {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBlindedBeaconBlockBellatrix{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BlindedBeaconBlockBellatrix) Copy() *BlindedBeaconBlockBellatrix {
-	if block == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockBellatrix{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BlindedBeaconBlockBodyBellatrix) Copy() *BlindedBeaconBlockBodyBellatrix {
-	if body == nil {
-		return nil
-	}
-	return &BlindedBeaconBlockBodyBellatrix{
-		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:               body.Eth1Data.Copy(),
-		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:      CopySlice(body.ProposerSlashings),
-		AttesterSlashings:      CopySlice(body.AttesterSlashings),
-		Attestations:           CopySlice(body.Attestations),
-		Deposits:               CopySlice(body.Deposits),
-		VoluntaryExits:         CopySlice(body.VoluntaryExits),
-		SyncAggregate:          body.SyncAggregate.Copy(),
-		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
-	}
-}
-
-// CopyBlobKZGs copies the provided blob kzgs object.
-func CopyBlobKZGs(b [][]byte) [][]byte {
-	return bytesutil.SafeCopy2dBytes(b)
-}
-
-// CopyExecutionRequests copies the provided execution requests.
-func CopyExecutionRequests(e *enginev1.ExecutionRequests) *enginev1.ExecutionRequests {
-	if e == nil {
-		return nil
-	}
-	dr := make([]*enginev1.DepositRequest, len(e.Deposits))
-	for i, d := range e.Deposits {
-		dr[i] = d.Copy()
-	}
-	wr := make([]*enginev1.WithdrawalRequest, len(e.Withdrawals))
-	for i, w := range e.Withdrawals {
-		wr[i] = w.Copy()
-	}
-	cr := make([]*enginev1.ConsolidationRequest, len(e.Consolidations))
-	for i, c := range e.Consolidations {
-		cr[i] = c.Copy()
-	}
-
-	return &enginev1.ExecutionRequests{
-		Deposits:       dr,
-		Withdrawals:    wr,
-		Consolidations: cr,
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBeaconBlockDeneb) Copy() *SignedBeaconBlockDeneb {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBeaconBlockDeneb{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BeaconBlockDeneb) Copy() *BeaconBlockDeneb {
-	if block == nil {
-		return nil
-	}
-	return &BeaconBlockDeneb{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BeaconBlockBodyDeneb) Copy() *BeaconBlockBodyDeneb {
-	if body == nil {
-		return nil
-	}
-	return &BeaconBlockBodyDeneb{
-		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:              body.Eth1Data.Copy(),
-		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:     CopySlice(body.ProposerSlashings),
-		AttesterSlashings:     CopySlice(body.AttesterSlashings),
-		Attestations:          CopySlice(body.Attestations),
-		Deposits:              CopySlice(body.Deposits),
-		VoluntaryExits:        CopySlice(body.VoluntaryExits),
-		SyncAggregate:         body.SyncAggregate.Copy(),
-		ExecutionPayload:      body.ExecutionPayload.Copy(),
-		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
-		BlobKzgCommitments:    CopyBlobKZGs(body.BlobKzgCommitments),
-	}
-}
-
-// Copy --
-func (sigBlock *SignedBeaconBlockElectra) Copy() *SignedBeaconBlockElectra {
-	if sigBlock == nil {
-		return nil
-	}
-	return &SignedBeaconBlockElectra{
-		Block:     sigBlock.Block.Copy(),
-		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
-	}
-}
-
-// Copy --
-func (block *BeaconBlockElectra) Copy() *BeaconBlockElectra {
-	if block == nil {
-		return nil
-	}
-	return &BeaconBlockElectra{
-		Slot:          block.Slot,
-		ProposerIndex: block.ProposerIndex,
-		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
-		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
-		Body:          block.Body.Copy(),
-	}
-}
-
-// Copy --
-func (body *BeaconBlockBodyElectra) Copy() *BeaconBlockBodyElectra {
-	if body == nil {
-		return nil
-	}
-	return &BeaconBlockBodyElectra{
-		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
-		Eth1Data:              body.Eth1Data.Copy(),
-		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
-		ProposerSlashings:     CopySlice(body.ProposerSlashings),
-		AttesterSlashings:     CopySlice(body.AttesterSlashings),
-		Attestations:          CopySlice(body.Attestations),
-		Deposits:              CopySlice(body.Deposits),
-		VoluntaryExits:        CopySlice(body.VoluntaryExits),
-		SyncAggregate:         body.SyncAggregate.Copy(),
-		ExecutionPayload:      body.ExecutionPayload.Copy(),
-		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
-		BlobKzgCommitments:    CopyBlobKZGs(body.BlobKzgCommitments),
-		ExecutionRequests:     CopyExecutionRequests(body.ExecutionRequests),
-	}
-}
-
 // Copy --
 func (data *Eth1Data) Copy() *Eth1Data {
 	if data == nil {
@@ -581,6 +148,53 @@ func (exit *VoluntaryExit) Copy() *VoluntaryExit {
 	}
 }
 
+// ----------------------------------------------------------------------------
+// Altair
+// ----------------------------------------------------------------------------
+
+// Copy --
+func (sigBlock *SignedBeaconBlockAltair) Copy() *SignedBeaconBlockAltair {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBeaconBlockAltair{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BeaconBlockAltair) Copy() *BeaconBlockAltair {
+	if block == nil {
+		return nil
+	}
+	return &BeaconBlockAltair{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BeaconBlockBodyAltair) Copy() *BeaconBlockBodyAltair {
+	if body == nil {
+		return nil
+	}
+	return &BeaconBlockBodyAltair{
+		RandaoReveal:      bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:          body.Eth1Data.Copy(),
+		Graffiti:          bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings: CopySlice(body.ProposerSlashings),
+		AttesterSlashings: CopySlice(body.AttesterSlashings),
+		Attestations:      CopySlice(body.Attestations),
+		Deposits:          CopySlice(body.Deposits),
+		VoluntaryExits:    CopySlice(body.VoluntaryExits),
+		SyncAggregate:     body.SyncAggregate.Copy(),
+	}
+}
+
 // Copy --
 func (a *SyncAggregate) Copy() *SyncAggregate {
 	if a == nil {
@@ -592,6 +206,203 @@ func (a *SyncAggregate) Copy() *SyncAggregate {
 	}
 }
 
+// Copy --
+func (summary *HistoricalSummary) Copy() *HistoricalSummary {
+	if summary == nil {
+		return nil
+	}
+	return &HistoricalSummary{
+		BlockSummaryRoot: bytesutil.SafeCopyBytes(summary.BlockSummaryRoot),
+		StateSummaryRoot: bytesutil.SafeCopyBytes(summary.StateSummaryRoot),
+	}
+}
+
+// ----------------------------------------------------------------------------
+// Bellatrix
+// ----------------------------------------------------------------------------
+
+// Copy --
+func (sigBlock *SignedBeaconBlockBellatrix) Copy() *SignedBeaconBlockBellatrix {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBeaconBlockBellatrix{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BeaconBlockBellatrix) Copy() *BeaconBlockBellatrix {
+	if block == nil {
+		return nil
+	}
+	return &BeaconBlockBellatrix{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BeaconBlockBodyBellatrix) Copy() *BeaconBlockBodyBellatrix {
+	if body == nil {
+		return nil
+	}
+	return &BeaconBlockBodyBellatrix{
+		RandaoReveal:      bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:          body.Eth1Data.Copy(),
+		Graffiti:          bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings: CopySlice(body.ProposerSlashings),
+		AttesterSlashings: CopySlice(body.AttesterSlashings),
+		Attestations:      CopySlice(body.Attestations),
+		Deposits:          CopySlice(body.Deposits),
+		VoluntaryExits:    CopySlice(body.VoluntaryExits),
+		SyncAggregate:     body.SyncAggregate.Copy(),
+		ExecutionPayload:  body.ExecutionPayload.Copy(),
+	}
+}
+
+// Copy --
+func (sigBlock *SignedBlindedBeaconBlockBellatrix) Copy() *SignedBlindedBeaconBlockBellatrix {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBlindedBeaconBlockBellatrix{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BlindedBeaconBlockBellatrix) Copy() *BlindedBeaconBlockBellatrix {
+	if block == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockBellatrix{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BlindedBeaconBlockBodyBellatrix) Copy() *BlindedBeaconBlockBodyBellatrix {
+	if body == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockBodyBellatrix{
+		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:               body.Eth1Data.Copy(),
+		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:      CopySlice(body.ProposerSlashings),
+		AttesterSlashings:      CopySlice(body.AttesterSlashings),
+		Attestations:           CopySlice(body.Attestations),
+		Deposits:               CopySlice(body.Deposits),
+		VoluntaryExits:         CopySlice(body.VoluntaryExits),
+		SyncAggregate:          body.SyncAggregate.Copy(),
+		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
+	}
+}
+
+// ----------------------------------------------------------------------------
+// Capella
+// ----------------------------------------------------------------------------
+
+// Copy --
+func (sigBlock *SignedBeaconBlockCapella) Copy() *SignedBeaconBlockCapella {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBeaconBlockCapella{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BeaconBlockCapella) Copy() *BeaconBlockCapella {
+	if block == nil {
+		return nil
+	}
+	return &BeaconBlockCapella{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BeaconBlockBodyCapella) Copy() *BeaconBlockBodyCapella {
+	if body == nil {
+		return nil
+	}
+	return &BeaconBlockBodyCapella{
+		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:              body.Eth1Data.Copy(),
+		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:     CopySlice(body.ProposerSlashings),
+		AttesterSlashings:     CopySlice(body.AttesterSlashings),
+		Attestations:          CopySlice(body.Attestations),
+		Deposits:              CopySlice(body.Deposits),
+		VoluntaryExits:        CopySlice(body.VoluntaryExits),
+		SyncAggregate:         body.SyncAggregate.Copy(),
+		ExecutionPayload:      body.ExecutionPayload.Copy(),
+		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
+	}
+}
+
+// Copy --
+func (sigBlock *SignedBlindedBeaconBlockCapella) Copy() *SignedBlindedBeaconBlockCapella {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBlindedBeaconBlockCapella{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BlindedBeaconBlockCapella) Copy() *BlindedBeaconBlockCapella {
+	if block == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockCapella{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BlindedBeaconBlockBodyCapella) Copy() *BlindedBeaconBlockBodyCapella {
+	if body == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockBodyCapella{
+		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:               body.Eth1Data.Copy(),
+		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:      CopySlice(body.ProposerSlashings),
+		AttesterSlashings:      CopySlice(body.AttesterSlashings),
+		Attestations:           CopySlice(body.Attestations),
+		Deposits:               CopySlice(body.Deposits),
+		VoluntaryExits:         CopySlice(body.VoluntaryExits),
+		SyncAggregate:          body.SyncAggregate.Copy(),
+		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
+		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
+	}
+}
+
 // Copy --
 func (change *SignedBLSToExecutionChange) Copy() *SignedBLSToExecutionChange {
 	if change == nil {
@@ -615,13 +426,226 @@ func (change *BLSToExecutionChange) Copy() *BLSToExecutionChange {
 	}
 }
 
+// ----------------------------------------------------------------------------
+// Deneb
+// ----------------------------------------------------------------------------
+
 // Copy --
-func (summary *HistoricalSummary) Copy() *HistoricalSummary {
-	if summary == nil {
+func (sigBlock *SignedBlindedBeaconBlockDeneb) Copy() *SignedBlindedBeaconBlockDeneb {
+	if sigBlock == nil {
 		return nil
 	}
-	return &HistoricalSummary{
-		BlockSummaryRoot: bytesutil.SafeCopyBytes(summary.BlockSummaryRoot),
-		StateSummaryRoot: bytesutil.SafeCopyBytes(summary.StateSummaryRoot),
+	return &SignedBlindedBeaconBlockDeneb{
+		Message:   sigBlock.Message.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BlindedBeaconBlockDeneb) Copy() *BlindedBeaconBlockDeneb {
+	if block == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockDeneb{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BlindedBeaconBlockBodyDeneb) Copy() *BlindedBeaconBlockBodyDeneb {
+	if body == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockBodyDeneb{
+		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:               body.Eth1Data.Copy(),
+		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:      CopySlice(body.ProposerSlashings),
+		AttesterSlashings:      CopySlice(body.AttesterSlashings),
+		Attestations:           CopySlice(body.Attestations),
+		Deposits:               CopySlice(body.Deposits),
+		VoluntaryExits:         CopySlice(body.VoluntaryExits),
+		SyncAggregate:          body.SyncAggregate.Copy(),
+		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
+		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
+		BlobKzgCommitments:     CopyBlobKZGs(body.BlobKzgCommitments),
+	}
+}
+
+// Copy --
+func (sigBlock *SignedBeaconBlockDeneb) Copy() *SignedBeaconBlockDeneb {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBeaconBlockDeneb{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BeaconBlockDeneb) Copy() *BeaconBlockDeneb {
+	if block == nil {
+		return nil
+	}
+	return &BeaconBlockDeneb{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BeaconBlockBodyDeneb) Copy() *BeaconBlockBodyDeneb {
+	if body == nil {
+		return nil
+	}
+	return &BeaconBlockBodyDeneb{
+		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:              body.Eth1Data.Copy(),
+		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:     CopySlice(body.ProposerSlashings),
+		AttesterSlashings:     CopySlice(body.AttesterSlashings),
+		Attestations:          CopySlice(body.Attestations),
+		Deposits:              CopySlice(body.Deposits),
+		VoluntaryExits:        CopySlice(body.VoluntaryExits),
+		SyncAggregate:         body.SyncAggregate.Copy(),
+		ExecutionPayload:      body.ExecutionPayload.Copy(),
+		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
+		BlobKzgCommitments:    CopyBlobKZGs(body.BlobKzgCommitments),
+	}
+}
+
+// CopyBlobKZGs copies the provided blob kzgs object.
+func CopyBlobKZGs(b [][]byte) [][]byte {
+	return bytesutil.SafeCopy2dBytes(b)
+}
+
+// ----------------------------------------------------------------------------
+// Electra
+// ----------------------------------------------------------------------------
+
+// Copy --
+func (sigBlock *SignedBlindedBeaconBlockElectra) Copy() *SignedBlindedBeaconBlockElectra {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBlindedBeaconBlockElectra{
+		Message:   sigBlock.Message.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BlindedBeaconBlockElectra) Copy() *BlindedBeaconBlockElectra {
+	if block == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockElectra{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BlindedBeaconBlockBodyElectra) Copy() *BlindedBeaconBlockBodyElectra {
+	if body == nil {
+		return nil
+	}
+	return &BlindedBeaconBlockBodyElectra{
+		RandaoReveal:           bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:               body.Eth1Data.Copy(),
+		Graffiti:               bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:      CopySlice(body.ProposerSlashings),
+		AttesterSlashings:      CopySlice(body.AttesterSlashings),
+		Attestations:           CopySlice(body.Attestations),
+		Deposits:               CopySlice(body.Deposits),
+		VoluntaryExits:         CopySlice(body.VoluntaryExits),
+		SyncAggregate:          body.SyncAggregate.Copy(),
+		ExecutionPayloadHeader: body.ExecutionPayloadHeader.Copy(),
+		BlsToExecutionChanges:  CopySlice(body.BlsToExecutionChanges),
+		BlobKzgCommitments:     CopyBlobKZGs(body.BlobKzgCommitments),
+		ExecutionRequests:      CopyExecutionRequests(body.ExecutionRequests),
+	}
+}
+
+// Copy --
+func (sigBlock *SignedBeaconBlockElectra) Copy() *SignedBeaconBlockElectra {
+	if sigBlock == nil {
+		return nil
+	}
+	return &SignedBeaconBlockElectra{
+		Block:     sigBlock.Block.Copy(),
+		Signature: bytesutil.SafeCopyBytes(sigBlock.Signature),
+	}
+}
+
+// Copy --
+func (block *BeaconBlockElectra) Copy() *BeaconBlockElectra {
+	if block == nil {
+		return nil
+	}
+	return &BeaconBlockElectra{
+		Slot:          block.Slot,
+		ProposerIndex: block.ProposerIndex,
+		ParentRoot:    bytesutil.SafeCopyBytes(block.ParentRoot),
+		StateRoot:     bytesutil.SafeCopyBytes(block.StateRoot),
+		Body:          block.Body.Copy(),
+	}
+}
+
+// Copy --
+func (body *BeaconBlockBodyElectra) Copy() *BeaconBlockBodyElectra {
+	if body == nil {
+		return nil
+	}
+	return &BeaconBlockBodyElectra{
+		RandaoReveal:          bytesutil.SafeCopyBytes(body.RandaoReveal),
+		Eth1Data:              body.Eth1Data.Copy(),
+		Graffiti:              bytesutil.SafeCopyBytes(body.Graffiti),
+		ProposerSlashings:     CopySlice(body.ProposerSlashings),
+		AttesterSlashings:     CopySlice(body.AttesterSlashings),
+		Attestations:          CopySlice(body.Attestations),
+		Deposits:              CopySlice(body.Deposits),
+		VoluntaryExits:        CopySlice(body.VoluntaryExits),
+		SyncAggregate:         body.SyncAggregate.Copy(),
+		ExecutionPayload:      body.ExecutionPayload.Copy(),
+		BlsToExecutionChanges: CopySlice(body.BlsToExecutionChanges),
+		BlobKzgCommitments:    CopyBlobKZGs(body.BlobKzgCommitments),
+		ExecutionRequests:     CopyExecutionRequests(body.ExecutionRequests),
+	}
+}
+
+// CopyExecutionRequests copies the provided execution requests.
+func CopyExecutionRequests(e *enginev1.ExecutionRequests) *enginev1.ExecutionRequests {
+	if e == nil {
+		return nil
+	}
+	dr := make([]*enginev1.DepositRequest, len(e.Deposits))
+	for i, d := range e.Deposits {
+		dr[i] = d.Copy()
+	}
+	wr := make([]*enginev1.WithdrawalRequest, len(e.Withdrawals))
+	for i, w := range e.Withdrawals {
+		wr[i] = w.Copy()
+	}
+	cr := make([]*enginev1.ConsolidationRequest, len(e.Consolidations))
+	for i, c := range e.Consolidations {
+		cr[i] = c.Copy()
+	}
+
+	return &enginev1.ExecutionRequests{
+		Deposits:       dr,
+		Withdrawals:    wr,
+		Consolidations: cr,
 	}
 }

proto/prysm/v1alpha1/beacon_state.proto

@@ -381,6 +381,10 @@ message BeaconStateDeneb {
   repeated HistoricalSummary historical_summaries = 11003 [(ethereum.eth.ext.ssz_max) = "16777216"];
 }
 
+// ----------------------------------------------------------------------------
+// Electra
+// ----------------------------------------------------------------------------
+
 message BeaconStateElectra {
   // Versioning [1001-2000]
   uint64 genesis_time = 1001;
@@ -443,4 +447,4 @@ message BeaconStateElectra {
   repeated PendingDeposit pending_deposits = 12007 [(ethereum.eth.ext.ssz_max) = "pending_deposits_limit"];
   repeated PendingPartialWithdrawal pending_partial_withdrawals = 12008 [(ethereum.eth.ext.ssz_max) = "pending_partial_withdrawals_limit"];
   repeated PendingConsolidation pending_consolidations = 12009 [(ethereum.eth.ext.ssz_max) = "pending_consolidations_limit"];
-}
+}