use delay in fetchOriginDataColumnSidecars

api/server/structs/block.go

@@ -503,77 +503,3 @@ func (s *SignedBlindedBeaconBlockFulu) MessageRawJson() ([]byte, error) {
 func (s *SignedBlindedBeaconBlockFulu) SigString() string {
 	return s.Signature
 }
-
-// ----------------------------------------------------------------------------
-// Gloas
-// ----------------------------------------------------------------------------
-
-type ExecutionPayloadBid struct {
-	ParentBlockHash        string `json:"parent_block_hash"`
-	ParentBlockRoot        string `json:"parent_block_root"`
-	BlockHash              string `json:"block_hash"`
-	PrevRandao             string `json:"prev_randao"`
-	FeeRecipient           string `json:"fee_recipient"`
-	GasLimit               string `json:"gas_limit"`
-	BuilderIndex           string `json:"builder_index"`
-	Slot                   string `json:"slot"`
-	Value                  string `json:"value"`
-	ExecutionPayment       string `json:"execution_payment"`
-	BlobKzgCommitmentsRoot string `json:"blob_kzg_commitments_root"`
-}
-
-type SignedExecutionPayloadBid struct {
-	Message   *ExecutionPayloadBid `json:"message"`
-	Signature string               `json:"signature"`
-}
-
-type PayloadAttestationData struct {
-	BeaconBlockRoot   string `json:"beacon_block_root"`
-	Slot              string `json:"slot"`
-	PayloadPresent    bool   `json:"payload_present"`
-	BlobDataAvailable bool   `json:"blob_data_available"`
-}
-
-type PayloadAttestation struct {
-	AggregationBits string                  `json:"aggregation_bits"`
-	Data            *PayloadAttestationData `json:"data"`
-	Signature       string                  `json:"signature"`
-}
-
-type BeaconBlockBodyGloas struct {
-	RandaoReveal              string                        `json:"randao_reveal"`
-	Eth1Data                  *Eth1Data                     `json:"eth1_data"`
-	Graffiti                  string                        `json:"graffiti"`
-	ProposerSlashings         []*ProposerSlashing           `json:"proposer_slashings"`
-	AttesterSlashings         []*AttesterSlashingElectra    `json:"attester_slashings"`
-	Attestations              []*AttestationElectra         `json:"attestations"`
-	Deposits                  []*Deposit                    `json:"deposits"`
-	VoluntaryExits            []*SignedVoluntaryExit        `json:"voluntary_exits"`
-	SyncAggregate             *SyncAggregate                `json:"sync_aggregate"`
-	BLSToExecutionChanges     []*SignedBLSToExecutionChange `json:"bls_to_execution_changes"`
-	SignedExecutionPayloadBid *SignedExecutionPayloadBid    `json:"signed_execution_payload_bid"`
-	PayloadAttestations       []*PayloadAttestation         `json:"payload_attestations"`
-}
-
-type BeaconBlockGloas struct {
-	Slot          string                `json:"slot"`
-	ProposerIndex string                `json:"proposer_index"`
-	ParentRoot    string                `json:"parent_root"`
-	StateRoot     string                `json:"state_root"`
-	Body          *BeaconBlockBodyGloas `json:"body"`
-}
-
-type SignedBeaconBlockGloas struct {
-	Message   *BeaconBlockGloas `json:"message"`
-	Signature string            `json:"signature"`
-}
-
-var _ SignedMessageJsoner = &SignedBeaconBlockGloas{}
-
-func (s *SignedBeaconBlockGloas) MessageRawJson() ([]byte, error) {
-	return json.Marshal(s.Message)
-}
-
-func (s *SignedBeaconBlockGloas) SigString() string {
-	return s.Signature
-}

api/server/structs/conversions_block.go

@@ -268,8 +268,6 @@ func SignedBeaconBlockMessageJsoner(block interfaces.ReadOnlySignedBeaconBlock)
 		return SignedBlindedBeaconBlockFuluFromConsensus(pbStruct)
 	case *eth.SignedBeaconBlockFulu:
 		return SignedBeaconBlockFuluFromConsensus(pbStruct)
-	case *eth.SignedBeaconBlockGloas:
-		return SignedBeaconBlockGloasFromConsensus(pbStruct)
 	default:
 		return nil, ErrUnsupportedConversion
 	}
@@ -2887,379 +2885,3 @@ func SignedBeaconBlockFuluFromConsensus(b *eth.SignedBeaconBlockFulu) (*SignedBe
 		Signature: hexutil.Encode(b.Signature),
 	}, nil
 }
-
-// ----------------------------------------------------------------------------
-// Gloas
-// ----------------------------------------------------------------------------
-
-func SignedBeaconBlockGloasFromConsensus(b *eth.SignedBeaconBlockGloas) (*SignedBeaconBlockGloas, error) {
-	block, err := BeaconBlockGloasFromConsensus(b.Block)
-	if err != nil {
-		return nil, err
-	}
-	return &SignedBeaconBlockGloas{
-		Message:   block,
-		Signature: hexutil.Encode(b.Signature),
-	}, nil
-}
-
-func BeaconBlockGloasFromConsensus(b *eth.BeaconBlockGloas) (*BeaconBlockGloas, error) {
-	payloadAttestations := make([]*PayloadAttestation, len(b.Body.PayloadAttestations))
-	for i, pa := range b.Body.PayloadAttestations {
-		payloadAttestations[i] = PayloadAttestationFromConsensus(pa)
-	}
-
-	return &BeaconBlockGloas{
-		Slot:          fmt.Sprintf("%d", b.Slot),
-		ProposerIndex: fmt.Sprintf("%d", b.ProposerIndex),
-		ParentRoot:    hexutil.Encode(b.ParentRoot),
-		StateRoot:     hexutil.Encode(b.StateRoot),
-		Body: &BeaconBlockBodyGloas{
-			RandaoReveal:              hexutil.Encode(b.Body.RandaoReveal),
-			Eth1Data:                  Eth1DataFromConsensus(b.Body.Eth1Data),
-			Graffiti:                  hexutil.Encode(b.Body.Graffiti),
-			ProposerSlashings:         ProposerSlashingsFromConsensus(b.Body.ProposerSlashings),
-			AttesterSlashings:         AttesterSlashingsElectraFromConsensus(b.Body.AttesterSlashings),
-			Attestations:              AttsElectraFromConsensus(b.Body.Attestations),
-			Deposits:                  DepositsFromConsensus(b.Body.Deposits),
-			VoluntaryExits:            SignedExitsFromConsensus(b.Body.VoluntaryExits),
-			SyncAggregate:             SyncAggregateFromConsensus(b.Body.SyncAggregate),
-			BLSToExecutionChanges:     SignedBLSChangesFromConsensus(b.Body.BlsToExecutionChanges),
-			SignedExecutionPayloadBid: SignedExecutionPayloadBidFromConsensus(b.Body.SignedExecutionPayloadBid),
-			PayloadAttestations:       payloadAttestations,
-		},
-	}, nil
-}
-
-func SignedExecutionPayloadBidFromConsensus(b *eth.SignedExecutionPayloadBid) *SignedExecutionPayloadBid {
-	return &SignedExecutionPayloadBid{
-		Message:   ExecutionPayloadBidFromConsensus(b.Message),
-		Signature: hexutil.Encode(b.Signature),
-	}
-}
-
-func ExecutionPayloadBidFromConsensus(b *eth.ExecutionPayloadBid) *ExecutionPayloadBid {
-	return &ExecutionPayloadBid{
-		ParentBlockHash:        hexutil.Encode(b.ParentBlockHash),
-		ParentBlockRoot:        hexutil.Encode(b.ParentBlockRoot),
-		BlockHash:              hexutil.Encode(b.BlockHash),
-		PrevRandao:             hexutil.Encode(b.PrevRandao),
-		FeeRecipient:           hexutil.Encode(b.FeeRecipient),
-		GasLimit:               fmt.Sprintf("%d", b.GasLimit),
-		BuilderIndex:           fmt.Sprintf("%d", b.BuilderIndex),
-		Slot:                   fmt.Sprintf("%d", b.Slot),
-		Value:                  fmt.Sprintf("%d", b.Value),
-		ExecutionPayment:       fmt.Sprintf("%d", b.ExecutionPayment),
-		BlobKzgCommitmentsRoot: hexutil.Encode(b.BlobKzgCommitmentsRoot),
-	}
-}
-
-func PayloadAttestationFromConsensus(pa *eth.PayloadAttestation) *PayloadAttestation {
-	return &PayloadAttestation{
-		AggregationBits: hexutil.Encode(pa.AggregationBits),
-		Data:            PayloadAttestationDataFromConsensus(pa.Data),
-		Signature:       hexutil.Encode(pa.Signature),
-	}
-}
-
-func PayloadAttestationDataFromConsensus(d *eth.PayloadAttestationData) *PayloadAttestationData {
-	return &PayloadAttestationData{
-		BeaconBlockRoot:   hexutil.Encode(d.BeaconBlockRoot),
-		Slot:              fmt.Sprintf("%d", d.Slot),
-		PayloadPresent:    d.PayloadPresent,
-		BlobDataAvailable: d.BlobDataAvailable,
-	}
-}
-
-func (b *SignedBeaconBlockGloas) ToConsensus() (*eth.SignedBeaconBlockGloas, error) {
-	if b == nil {
-		return nil, errNilValue
-	}
-
-	sig, err := bytesutil.DecodeHexWithLength(b.Signature, fieldparams.BLSSignatureLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Signature")
-	}
-	block, err := b.Message.ToConsensus()
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Message")
-	}
-	return &eth.SignedBeaconBlockGloas{
-		Block:     block,
-		Signature: sig,
-	}, nil
-}
-
-func (b *BeaconBlockGloas) ToConsensus() (*eth.BeaconBlockGloas, error) {
-	if b == nil {
-		return nil, errNilValue
-	}
-	if b.Body == nil {
-		return nil, server.NewDecodeError(errNilValue, "Body")
-	}
-	if b.Body.Eth1Data == nil {
-		return nil, server.NewDecodeError(errNilValue, "Body.Eth1Data")
-	}
-	if b.Body.SyncAggregate == nil {
-		return nil, server.NewDecodeError(errNilValue, "Body.SyncAggregate")
-	}
-	if b.Body.SignedExecutionPayloadBid == nil {
-		return nil, server.NewDecodeError(errNilValue, "Body.SignedExecutionPayloadBid")
-	}
-
-	slot, err := strconv.ParseUint(b.Slot, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Slot")
-	}
-	proposerIndex, err := strconv.ParseUint(b.ProposerIndex, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ProposerIndex")
-	}
-	parentRoot, err := bytesutil.DecodeHexWithLength(b.ParentRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ParentRoot")
-	}
-	stateRoot, err := bytesutil.DecodeHexWithLength(b.StateRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "StateRoot")
-	}
-	body, err := b.Body.ToConsensus()
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Body")
-	}
-	return &eth.BeaconBlockGloas{
-		Slot:          primitives.Slot(slot),
-		ProposerIndex: primitives.ValidatorIndex(proposerIndex),
-		ParentRoot:    parentRoot,
-		StateRoot:     stateRoot,
-		Body:          body,
-	}, nil
-}
-
-func (b *BeaconBlockBodyGloas) ToConsensus() (*eth.BeaconBlockBodyGloas, error) {
-	if b == nil {
-		return nil, errNilValue
-	}
-
-	randaoReveal, err := bytesutil.DecodeHexWithLength(b.RandaoReveal, fieldparams.BLSSignatureLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "RandaoReveal")
-	}
-	depositRoot, err := bytesutil.DecodeHexWithLength(b.Eth1Data.DepositRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Eth1Data.DepositRoot")
-	}
-	depositCount, err := strconv.ParseUint(b.Eth1Data.DepositCount, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Eth1Data.DepositCount")
-	}
-	blockHash, err := bytesutil.DecodeHexWithLength(b.Eth1Data.BlockHash, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Eth1Data.BlockHash")
-	}
-	graffiti, err := bytesutil.DecodeHexWithLength(b.Graffiti, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Graffiti")
-	}
-	proposerSlashings, err := ProposerSlashingsToConsensus(b.ProposerSlashings)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ProposerSlashings")
-	}
-	attesterSlashings, err := AttesterSlashingsElectraToConsensus(b.AttesterSlashings)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "AttesterSlashings")
-	}
-	atts, err := AttsElectraToConsensus(b.Attestations)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Attestations")
-	}
-	deposits, err := DepositsToConsensus(b.Deposits)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Deposits")
-	}
-	exits, err := SignedExitsToConsensus(b.VoluntaryExits)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "VoluntaryExits")
-	}
-	syncCommitteeBits, err := bytesutil.DecodeHexWithLength(b.SyncAggregate.SyncCommitteeBits, fieldparams.SyncAggregateSyncCommitteeBytesLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "SyncAggregate.SyncCommitteeBits")
-	}
-	syncCommitteeSig, err := bytesutil.DecodeHexWithLength(b.SyncAggregate.SyncCommitteeSignature, fieldparams.BLSSignatureLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "SyncAggregate.SyncCommitteeSignature")
-	}
-	blsChanges, err := SignedBLSChangesToConsensus(b.BLSToExecutionChanges)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "BLSToExecutionChanges")
-	}
-	signedBid, err := b.SignedExecutionPayloadBid.ToConsensus()
-	if err != nil {
-		return nil, server.NewDecodeError(err, "SignedExecutionPayloadBid")
-	}
-	payloadAttestations, err := PayloadAttestationsToConsensus(b.PayloadAttestations)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "PayloadAttestations")
-	}
-
-	return &eth.BeaconBlockBodyGloas{
-		RandaoReveal: randaoReveal,
-		Eth1Data: &eth.Eth1Data{
-			DepositRoot:  depositRoot,
-			DepositCount: depositCount,
-			BlockHash:    blockHash,
-		},
-		Graffiti:          graffiti,
-		ProposerSlashings: proposerSlashings,
-		AttesterSlashings: attesterSlashings,
-		Attestations:      atts,
-		Deposits:          deposits,
-		VoluntaryExits:    exits,
-		SyncAggregate: &eth.SyncAggregate{
-			SyncCommitteeBits:      syncCommitteeBits,
-			SyncCommitteeSignature: syncCommitteeSig,
-		},
-		BlsToExecutionChanges:     blsChanges,
-		SignedExecutionPayloadBid: signedBid,
-		PayloadAttestations:       payloadAttestations,
-	}, nil
-}
-
-func (b *SignedExecutionPayloadBid) ToConsensus() (*eth.SignedExecutionPayloadBid, error) {
-	if b == nil {
-		return nil, errNilValue
-	}
-	sig, err := bytesutil.DecodeHexWithLength(b.Signature, fieldparams.BLSSignatureLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Signature")
-	}
-	message, err := b.Message.ToConsensus()
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Message")
-	}
-	return &eth.SignedExecutionPayloadBid{
-		Message:   message,
-		Signature: sig,
-	}, nil
-}
-
-func (b *ExecutionPayloadBid) ToConsensus() (*eth.ExecutionPayloadBid, error) {
-	if b == nil {
-		return nil, errNilValue
-	}
-	parentBlockHash, err := bytesutil.DecodeHexWithLength(b.ParentBlockHash, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ParentBlockHash")
-	}
-	parentBlockRoot, err := bytesutil.DecodeHexWithLength(b.ParentBlockRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ParentBlockRoot")
-	}
-	blockHash, err := bytesutil.DecodeHexWithLength(b.BlockHash, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "BlockHash")
-	}
-	prevRandao, err := bytesutil.DecodeHexWithLength(b.PrevRandao, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "PrevRandao")
-	}
-	feeRecipient, err := bytesutil.DecodeHexWithLength(b.FeeRecipient, fieldparams.FeeRecipientLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "FeeRecipient")
-	}
-	gasLimit, err := strconv.ParseUint(b.GasLimit, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "GasLimit")
-	}
-	builderIndex, err := strconv.ParseUint(b.BuilderIndex, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "BuilderIndex")
-	}
-	slot, err := strconv.ParseUint(b.Slot, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Slot")
-	}
-	value, err := strconv.ParseUint(b.Value, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Value")
-	}
-	executionPayment, err := strconv.ParseUint(b.ExecutionPayment, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "ExecutionPayment")
-	}
-	blobKzgCommitmentsRoot, err := bytesutil.DecodeHexWithLength(b.BlobKzgCommitmentsRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "BlobKzgCommitmentsRoot")
-	}
-	return &eth.ExecutionPayloadBid{
-		ParentBlockHash:        parentBlockHash,
-		ParentBlockRoot:        parentBlockRoot,
-		BlockHash:              blockHash,
-		PrevRandao:             prevRandao,
-		FeeRecipient:           feeRecipient,
-		GasLimit:               gasLimit,
-		BuilderIndex:           primitives.BuilderIndex(builderIndex),
-		Slot:                   primitives.Slot(slot),
-		Value:                  primitives.Gwei(value),
-		ExecutionPayment:       primitives.Gwei(executionPayment),
-		BlobKzgCommitmentsRoot: blobKzgCommitmentsRoot,
-	}, nil
-}
-
-func PayloadAttestationsToConsensus(pa []*PayloadAttestation) ([]*eth.PayloadAttestation, error) {
-	if pa == nil {
-		return nil, errNilValue
-	}
-	result := make([]*eth.PayloadAttestation, len(pa))
-	for i, p := range pa {
-		converted, err := p.ToConsensus()
-		if err != nil {
-			return nil, server.NewDecodeError(err, fmt.Sprintf("[%d]", i))
-		}
-		result[i] = converted
-	}
-	return result, nil
-}
-
-func (p *PayloadAttestation) ToConsensus() (*eth.PayloadAttestation, error) {
-	if p == nil {
-		return nil, errNilValue
-	}
-	aggregationBits, err := hexutil.Decode(p.AggregationBits)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "AggregationBits")
-	}
-	data, err := p.Data.ToConsensus()
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Data")
-	}
-	sig, err := bytesutil.DecodeHexWithLength(p.Signature, fieldparams.BLSSignatureLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Signature")
-	}
-	return &eth.PayloadAttestation{
-		AggregationBits: aggregationBits,
-		Data:            data,
-		Signature:       sig,
-	}, nil
-}
-
-func (d *PayloadAttestationData) ToConsensus() (*eth.PayloadAttestationData, error) {
-	if d == nil {
-		return nil, errNilValue
-	}
-	beaconBlockRoot, err := bytesutil.DecodeHexWithLength(d.BeaconBlockRoot, fieldparams.RootLength)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "BeaconBlockRoot")
-	}
-	slot, err := strconv.ParseUint(d.Slot, 10, 64)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Slot")
-	}
-	return &eth.PayloadAttestationData{
-		BeaconBlockRoot:   beaconBlockRoot,
-		Slot:              primitives.Slot(slot),
-		PayloadPresent:    d.PayloadPresent,
-		BlobDataAvailable: d.BlobDataAvailable,
-	}, nil
-}

beacon-chain/core/altair/deposit.go

@@ -3,6 +3,7 @@ package altair
 import (
 	"context"
 
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/config/params"
@@ -23,7 +24,7 @@ func ProcessPreGenesisDeposits(
 	if err != nil {
 		return nil, errors.Wrap(err, "could not process deposit")
 	}
-	beaconState, err = helpers.ActivateValidatorWithEffectiveBalance(beaconState, deposits)
+	beaconState, err = blocks.ActivateValidatorWithEffectiveBalance(beaconState, deposits)
 	if err != nil {
 		return nil, err
 	}
@@ -36,7 +37,7 @@ func ProcessDeposits(
 	beaconState state.BeaconState,
 	deposits []*ethpb.Deposit,
 ) (state.BeaconState, error) {
-	allSignaturesVerified, err := helpers.BatchVerifyDepositsSignatures(ctx, deposits)
+	allSignaturesVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
 	if err != nil {
 		return nil, err
 	}
@@ -81,7 +82,7 @@ func ProcessDeposits(
 //	  signature=deposit.data.signature,
 //	 )
 func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, allSignaturesVerified bool) (state.BeaconState, error) {
-	if err := helpers.VerifyDeposit(beaconState, deposit); err != nil {
+	if err := blocks.VerifyDeposit(beaconState, deposit); err != nil {
 		if deposit == nil || deposit.Data == nil {
 			return nil, err
 		}
@@ -121,7 +122,7 @@ func ApplyDeposit(beaconState state.BeaconState, data *ethpb.Deposit_Data, allSi
 	index, ok := beaconState.ValidatorIndexByPubkey(bytesutil.ToBytes48(pubKey))
 	if !ok {
 		if !allSignaturesVerified {
-			valid, err := helpers.IsValidDepositSignature(data)
+			valid, err := blocks.IsValidDepositSignature(data)
 			if err != nil {
 				return nil, err
 			}

beacon-chain/core/blocks/BUILD.bazel

@@ -5,6 +5,7 @@ go_library(
     srcs = [
         "attestation.go",
         "attester_slashing.go",
+        "deposit.go",
         "error.go",
         "eth1_data.go",
         "exit.go",
@@ -20,7 +21,6 @@ go_library(
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks",
     visibility = ["//visibility:public"],
     deps = [
-        "//beacon-chain/core/gloas:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/core/time:go_default_library",
@@ -33,6 +33,8 @@ go_library(
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//container/slice:go_default_library",
+        "//container/trie:go_default_library",
+        "//contracts/deposit:go_default_library",
         "//crypto/bls:go_default_library",
         "//crypto/hash:go_default_library",
         "//encoding/bytesutil:go_default_library",
@@ -59,6 +61,7 @@ go_test(
         "attester_slashing_test.go",
         "block_operations_fuzz_test.go",
         "block_regression_test.go",
+        "deposit_test.go",
         "eth1_data_test.go",
         "exit_test.go",
         "exports_test.go",
@@ -87,6 +90,7 @@ go_test(
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
+        "//container/trie:go_default_library",
         "//crypto/bls:go_default_library",
         "//crypto/bls/common:go_default_library",
         "//crypto/hash:go_default_library",

beacon-chain/core/blocks/block_operations_fuzz_test.go

@@ -3,7 +3,6 @@ package blocks
 import (
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	v "github.com/OffchainLabs/prysm/v7/beacon-chain/core/validators"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
@@ -319,7 +318,7 @@ func TestFuzzverifyDeposit_10000(t *testing.T) {
 		fuzzer.Fuzz(deposit)
 		s, err := state_native.InitializeFromProtoUnsafePhase0(state)
 		require.NoError(t, err)
-		err = helpers.VerifyDeposit(s, deposit)
+		err = VerifyDeposit(s, deposit)
 		_ = err
 		fuzz.FreeMemory(i)
 	}

beacon-chain/core/blocks/deposit.go

@@ -1,4 +1,4 @@
-package helpers
+package blocks
 
 import (
 	"context"

beacon-chain/core/blocks/deposit_test.go

@@ -1,9 +1,9 @@
-package helpers_test
+package blocks_test
 
 import (
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
@@ -45,7 +45,7 @@ func TestBatchVerifyDepositsSignatures_Ok(t *testing.T) {
 
 	deposit.Proof = proof
 	require.NoError(t, err)
-	verified, err := helpers.BatchVerifyDepositsSignatures(t.Context(), []*ethpb.Deposit{deposit})
+	verified, err := blocks.BatchVerifyDepositsSignatures(t.Context(), []*ethpb.Deposit{deposit})
 	require.NoError(t, err)
 	require.Equal(t, true, verified)
 }
@@ -68,7 +68,7 @@ func TestBatchVerifyDepositsSignatures_InvalidSignature(t *testing.T) {
 
 	deposit.Proof = proof
 	require.NoError(t, err)
-	verified, err := helpers.BatchVerifyDepositsSignatures(t.Context(), []*ethpb.Deposit{deposit})
+	verified, err := blocks.BatchVerifyDepositsSignatures(t.Context(), []*ethpb.Deposit{deposit})
 	require.NoError(t, err)
 	require.Equal(t, false, verified)
 }
@@ -99,7 +99,7 @@ func TestVerifyDeposit_MerkleBranchFailsVerification(t *testing.T) {
 	})
 	require.NoError(t, err)
 	want := "deposit root did not verify"
-	err = helpers.VerifyDeposit(beaconState, deposit)
+	err = blocks.VerifyDeposit(beaconState, deposit)
 	require.ErrorContains(t, want, err)
 }
 
@@ -123,7 +123,7 @@ func TestIsValidDepositSignature_Ok(t *testing.T) {
 	require.NoError(t, err)
 	sig := sk.Sign(sr[:])
 	depositData.Signature = sig.Marshal()
-	valid, err := helpers.IsValidDepositSignature(depositData)
+	valid, err := blocks.IsValidDepositSignature(depositData)
 	require.NoError(t, err)
 	require.Equal(t, true, valid)
 }
@@ -163,7 +163,7 @@ func TestBatchVerifyPendingDepositsSignatures_Ok(t *testing.T) {
 	sig2 := sk2.Sign(sr2[:])
 	pendingDeposit2.Signature = sig2.Marshal()
 
-	verified, err := helpers.BatchVerifyPendingDepositsSignatures(t.Context(), []*ethpb.PendingDeposit{pendingDeposit, pendingDeposit2})
+	verified, err := blocks.BatchVerifyPendingDepositsSignatures(t.Context(), []*ethpb.PendingDeposit{pendingDeposit, pendingDeposit2})
 	require.NoError(t, err)
 	require.Equal(t, true, verified)
 }
@@ -174,7 +174,7 @@ func TestBatchVerifyPendingDepositsSignatures_InvalidSignature(t *testing.T) {
 		WithdrawalCredentials: make([]byte, 32),
 		Signature:             make([]byte, 96),
 	}
-	verified, err := helpers.BatchVerifyPendingDepositsSignatures(t.Context(), []*ethpb.PendingDeposit{pendingDeposit})
+	verified, err := blocks.BatchVerifyPendingDepositsSignatures(t.Context(), []*ethpb.PendingDeposit{pendingDeposit})
 	require.NoError(t, err)
 	require.Equal(t, false, verified)
 }

beacon-chain/core/blocks/proposer_slashing.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/gloas"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/time"
@@ -12,7 +11,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/proto"
@@ -128,16 +126,7 @@ func processProposerSlashing(
 	if exitInfo == nil {
 		return nil, errors.New("exit info is required to process proposer slashing")
 	}
-
 	var err error
-	// [New in Gloas:EIP7732]: remove the BuilderPendingPayment corresponding to the slashed proposer within 2 epoch window
-	if beaconState.Version() >= version.Gloas {
-		err = gloas.RemoveBuilderPendingPayment(beaconState, slashing.Header_1.Header)
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	beaconState, err = validators.SlashValidator(ctx, beaconState, slashing.Header_1.Header.ProposerIndex, exitInfo)
 	if err != nil {
 		return nil, errors.Wrapf(err, "could not slash proposer index %d", slashing.Header_1.Header.ProposerIndex)

beacon-chain/core/electra/BUILD.bazel

@@ -14,11 +14,13 @@ go_library(
         "transition.go",
         "upgrade.go",
         "validator.go",
+        "withdrawals.go",
     ],
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/core/electra",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/core/altair:go_default_library",
+        "//beacon-chain/core/blocks:go_default_library",
         "//beacon-chain/core/epoch:go_default_library",
         "//beacon-chain/core/epoch/precompute:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
@@ -41,6 +43,8 @@ go_library(
         "//proto/prysm/v1alpha1/attestation:go_default_library",
         "//runtime/version:go_default_library",
         "//time/slots:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/math:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
     ],
@@ -60,11 +64,13 @@ go_test(
         "transition_test.go",
         "upgrade_test.go",
         "validator_test.go",
+        "withdrawals_test.go",
     ],
     data = glob(["testdata/**"]),
     embed = [":go_default_library"],
     deps = [
         "//beacon-chain/core/helpers:go_default_library",
+        "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
@@ -77,12 +83,16 @@ go_test(
         "//encoding/bytesutil:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
+        "//testing/assert:go_default_library",
         "//testing/fuzz:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_google_gofuzz//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
+        "@com_github_sirupsen_logrus//:go_default_library",
+        "@com_github_sirupsen_logrus//hooks/test:go_default_library",
     ],
 )

beacon-chain/core/electra/consolidations.go

@@ -3,14 +3,19 @@ package electra
 import (
 	"bytes"
 	"context"
+	"fmt"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
 	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/pkg/errors"
 )
 
@@ -90,6 +95,217 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 	return nil
 }
 
+// ProcessConsolidationRequests implements the spec definition below. This method makes mutating
+// calls to the beacon state.
+//
+//	def process_consolidation_request(
+//	    state: BeaconState,
+//	    consolidation_request: ConsolidationRequest
+//	) -> None:
+//	    if is_valid_switch_to_compounding_request(state, consolidation_request):
+//	        validator_pubkeys = [v.pubkey for v in state.validators]
+//	        request_source_pubkey = consolidation_request.source_pubkey
+//	        source_index = ValidatorIndex(validator_pubkeys.index(request_source_pubkey))
+//	        switch_to_compounding_validator(state, source_index)
+//	        return
+//
+//	    # Verify that source != target, so a consolidation cannot be used as an exit.
+//	    if consolidation_request.source_pubkey == consolidation_request.target_pubkey:
+//	        return
+//	    # If the pending consolidations queue is full, consolidation requests are ignored
+//	    if len(state.pending_consolidations) == PENDING_CONSOLIDATIONS_LIMIT:
+//	        return
+//	    # If there is too little available consolidation churn limit, consolidation requests are ignored
+//	    if get_consolidation_churn_limit(state) <= MIN_ACTIVATION_BALANCE:
+//	        return
+//
+//	    validator_pubkeys = [v.pubkey for v in state.validators]
+//	    # Verify pubkeys exists
+//	    request_source_pubkey = consolidation_request.source_pubkey
+//	    request_target_pubkey = consolidation_request.target_pubkey
+//	    if request_source_pubkey not in validator_pubkeys:
+//	        return
+//	    if request_target_pubkey not in validator_pubkeys:
+//	        return
+//	    source_index = ValidatorIndex(validator_pubkeys.index(request_source_pubkey))
+//	    target_index = ValidatorIndex(validator_pubkeys.index(request_target_pubkey))
+//	    source_validator = state.validators[source_index]
+//	    target_validator = state.validators[target_index]
+//
+//	    # Verify source withdrawal credentials
+//	    has_correct_credential = has_execution_withdrawal_credential(source_validator)
+//	    is_correct_source_address = (
+//	        source_validator.withdrawal_credentials[12:] == consolidation_request.source_address
+//	    )
+//	    if not (has_correct_credential and is_correct_source_address):
+//	        return
+//
+//	    # Verify that target has compounding withdrawal credentials
+//	    if not has_compounding_withdrawal_credential(target_validator):
+//	        return
+//
+//	    # Verify the source and the target are active
+//	    current_epoch = get_current_epoch(state)
+//	    if not is_active_validator(source_validator, current_epoch):
+//	        return
+//	    if not is_active_validator(target_validator, current_epoch):
+//	        return
+//	    # Verify exits for source and target have not been initiated
+//	    if source_validator.exit_epoch != FAR_FUTURE_EPOCH:
+//	        return
+//	    if target_validator.exit_epoch != FAR_FUTURE_EPOCH:
+//	        return
+//
+//	    # Verify the source has been active long enough
+//	    if current_epoch < source_validator.activation_epoch + SHARD_COMMITTEE_PERIOD:
+//	        return
+//
+//	    # Verify the source has no pending withdrawals in the queue
+//	    if get_pending_balance_to_withdraw(state, source_index) > 0:
+//	        return
+//	    # Initiate source validator exit and append pending consolidation
+//	    source_validator.exit_epoch = compute_consolidation_epoch_and_update_churn(
+//	        state, source_validator.effective_balance
+//	    )
+//	    source_validator.withdrawable_epoch = Epoch(
+//	        source_validator.exit_epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
+//	    )
+//	    state.pending_consolidations.append(PendingConsolidation(
+//	        source_index=source_index,
+//	        target_index=target_index
+//	    ))
+func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, reqs []*enginev1.ConsolidationRequest) error {
+	if len(reqs) == 0 || st == nil {
+		return nil
+	}
+	curEpoch := slots.ToEpoch(st.Slot())
+	ffe := params.BeaconConfig().FarFutureEpoch
+	minValWithdrawDelay := params.BeaconConfig().MinValidatorWithdrawabilityDelay
+	pcLimit := params.BeaconConfig().PendingConsolidationsLimit
+
+	for _, cr := range reqs {
+		if cr == nil {
+			return errors.New("nil consolidation request")
+		}
+		if ctx.Err() != nil {
+			return fmt.Errorf("cannot process consolidation requests: %w", ctx.Err())
+		}
+		if IsValidSwitchToCompoundingRequest(st, cr) {
+			srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(cr.SourcePubkey))
+			if !ok {
+				log.Error("Failed to find source validator index")
+				continue
+			}
+			if err := SwitchToCompoundingValidator(st, srcIdx); err != nil {
+				log.WithError(err).Error("Failed to switch to compounding validator")
+			}
+			continue
+		}
+		sourcePubkey := bytesutil.ToBytes48(cr.SourcePubkey)
+		targetPubkey := bytesutil.ToBytes48(cr.TargetPubkey)
+		if sourcePubkey == targetPubkey {
+			continue
+		}
+
+		if npc, err := st.NumPendingConsolidations(); err != nil {
+			return fmt.Errorf("failed to fetch number of pending consolidations: %w", err) // This should never happen.
+		} else if npc >= pcLimit {
+			continue
+		}
+
+		activeBal, err := helpers.TotalActiveBalance(st)
+		if err != nil {
+			return err
+		}
+		churnLimit := helpers.ConsolidationChurnLimit(primitives.Gwei(activeBal))
+		if churnLimit <= primitives.Gwei(params.BeaconConfig().MinActivationBalance) {
+			continue
+		}
+
+		srcIdx, ok := st.ValidatorIndexByPubkey(sourcePubkey)
+		if !ok {
+			continue
+		}
+		tgtIdx, ok := st.ValidatorIndexByPubkey(targetPubkey)
+		if !ok {
+			continue
+		}
+
+		srcV, err := st.ValidatorAtIndex(srcIdx)
+		if err != nil {
+			return fmt.Errorf("failed to fetch source validator: %w", err) // This should never happen.
+		}
+
+		roSrcV, err := state_native.NewValidator(srcV)
+		if err != nil {
+			return err
+		}
+
+		tgtV, err := st.ValidatorAtIndexReadOnly(tgtIdx)
+		if err != nil {
+			return fmt.Errorf("failed to fetch target validator: %w", err) // This should never happen.
+		}
+
+		// Verify source withdrawal credentials
+		if !roSrcV.HasExecutionWithdrawalCredentials() {
+			continue
+		}
+		// Confirm source_validator.withdrawal_credentials[12:] == consolidation_request.source_address
+		if len(srcV.WithdrawalCredentials) != 32 || len(cr.SourceAddress) != 20 || !bytes.HasSuffix(srcV.WithdrawalCredentials, cr.SourceAddress) {
+			continue
+		}
+
+		// Target validator must have their withdrawal credentials set appropriately.
+		if !tgtV.HasCompoundingWithdrawalCredentials() {
+			continue
+		}
+
+		// Both validators must be active.
+		if !helpers.IsActiveValidator(srcV, curEpoch) || !helpers.IsActiveValidatorUsingTrie(tgtV, curEpoch) {
+			continue
+		}
+		// Neither validator is exiting.
+		if srcV.ExitEpoch != ffe || tgtV.ExitEpoch() != ffe {
+			continue
+		}
+
+		e, overflow := math.SafeAdd(uint64(srcV.ActivationEpoch), uint64(params.BeaconConfig().ShardCommitteePeriod))
+		if overflow {
+			log.Error("Overflow when adding activation epoch and shard committee period")
+			continue
+		}
+		if uint64(curEpoch) < e {
+			continue
+		}
+		hasBal, err := st.HasPendingBalanceToWithdraw(srcIdx)
+		if err != nil {
+			log.WithError(err).Error("Failed to fetch pending balance to withdraw")
+			continue
+		}
+		if hasBal {
+			continue
+		}
+
+		// Initiate the exit of the source validator.
+		exitEpoch, err := ComputeConsolidationEpochAndUpdateChurn(ctx, st, primitives.Gwei(srcV.EffectiveBalance))
+		if err != nil {
+			log.WithError(err).Error("Failed to compute consolidation epoch")
+			continue
+		}
+		srcV.ExitEpoch = exitEpoch
+		srcV.WithdrawableEpoch = exitEpoch + minValWithdrawDelay
+		if err := st.UpdateValidatorAtIndex(srcIdx, srcV); err != nil {
+			return fmt.Errorf("failed to update validator: %w", err) // This should never happen.
+		}
+
+		if err := st.AppendPendingConsolidation(&eth.PendingConsolidation{SourceIndex: srcIdx, TargetIndex: tgtIdx}); err != nil {
+			return fmt.Errorf("failed to append pending consolidation: %w", err) // This should never happen.
+		}
+	}
+
+	return nil
+}
+
 // IsValidSwitchToCompoundingRequest returns true if the given consolidation request is valid for switching to compounding.
 //
 // Spec code:

beacon-chain/core/electra/consolidations_test.go

@@ -8,6 +8,8 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
 	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/testing/require"
@@ -201,6 +203,275 @@ func TestProcessPendingConsolidations(t *testing.T) {
 	}
 }
 
+func TestProcessConsolidationRequests(t *testing.T) {
+	tests := []struct {
+		name     string
+		state    state.BeaconState
+		reqs     []*enginev1.ConsolidationRequest
+		validate func(*testing.T, state.BeaconState)
+		wantErr  bool
+	}{
+		{
+			name: "nil request",
+			state: func() state.BeaconState {
+				st := &eth.BeaconStateElectra{}
+				s, err := state_native.InitializeFromProtoElectra(st)
+				require.NoError(t, err)
+				return s
+			}(),
+			reqs: []*enginev1.ConsolidationRequest{nil},
+			validate: func(t *testing.T, st state.BeaconState) {
+				require.DeepEqual(t, st, st)
+			},
+			wantErr: true,
+		},
+		{
+			name: "one valid request",
+			state: func() state.BeaconState {
+				st := &eth.BeaconStateElectra{
+					Slot:       params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
+					Validators: createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
+				}
+				// Validator scenario setup. See comments in reqs section.
+				st.Validators[3].WithdrawalCredentials = bytesutil.Bytes32(0)
+				st.Validators[8].WithdrawalCredentials = bytesutil.Bytes32(1)
+				st.Validators[9].ActivationEpoch = params.BeaconConfig().FarFutureEpoch
+				st.Validators[12].ActivationEpoch = params.BeaconConfig().FarFutureEpoch
+				st.Validators[13].ExitEpoch = 10
+				st.Validators[16].ExitEpoch = 10
+				st.PendingPartialWithdrawals = []*eth.PendingPartialWithdrawal{
+					{
+						Index:  17,
+						Amount: 100,
+					},
+				}
+				s, err := state_native.InitializeFromProtoElectra(st)
+				require.NoError(t, err)
+				return s
+			}(),
+			reqs: []*enginev1.ConsolidationRequest{
+				// Source doesn't have withdrawal credentials.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
+					SourcePubkey:  []byte("val_3"),
+					TargetPubkey:  []byte("val_4"),
+				},
+				// Source withdrawal credentials don't match the consolidation address.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)), // Should be 5
+					SourcePubkey:  []byte("val_5"),
+					TargetPubkey:  []byte("val_6"),
+				},
+				// Target does not have their withdrawal credentials set appropriately. (Using eth1 address prefix)
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(7)),
+					SourcePubkey:  []byte("val_7"),
+					TargetPubkey:  []byte("val_8"),
+				},
+				// Source is inactive.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(9)),
+					SourcePubkey:  []byte("val_9"),
+					TargetPubkey:  []byte("val_10"),
+				},
+				// Target is inactive.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(11)),
+					SourcePubkey:  []byte("val_11"),
+					TargetPubkey:  []byte("val_12"),
+				},
+				// Source is exiting.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(13)),
+					SourcePubkey:  []byte("val_13"),
+					TargetPubkey:  []byte("val_14"),
+				},
+				// Target is exiting.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(15)),
+					SourcePubkey:  []byte("val_15"),
+					TargetPubkey:  []byte("val_16"),
+				},
+				// Source doesn't exist
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
+					SourcePubkey:  []byte("INVALID"),
+					TargetPubkey:  []byte("val_0"),
+				},
+				// Target doesn't exist
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
+					SourcePubkey:  []byte("val_0"),
+					TargetPubkey:  []byte("INVALID"),
+				},
+				// Source == target
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
+					SourcePubkey:  []byte("val_0"),
+					TargetPubkey:  []byte("val_0"),
+				},
+				// Has pending partial withdrawal
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
+					SourcePubkey:  []byte("val_17"),
+					TargetPubkey:  []byte("val_1"),
+				},
+				// Valid consolidation request. This should be last to ensure invalid requests do
+				// not end the processing early.
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
+					SourcePubkey:  []byte("val_1"),
+					TargetPubkey:  []byte("val_2"),
+				},
+			},
+			validate: func(t *testing.T, st state.BeaconState) {
+				// Verify a pending consolidation is created.
+				numPC, err := st.NumPendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, uint64(1), numPC)
+				pcs, err := st.PendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, primitives.ValidatorIndex(1), pcs[0].SourceIndex)
+				require.Equal(t, primitives.ValidatorIndex(2), pcs[0].TargetIndex)
+
+				// Verify the source validator is exiting.
+				src, err := st.ValidatorAtIndex(1)
+				require.NoError(t, err)
+				require.NotEqual(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch not updated")
+				require.Equal(t, params.BeaconConfig().MinValidatorWithdrawabilityDelay, src.WithdrawableEpoch-src.ExitEpoch, "source validator withdrawable epoch not set correctly")
+			},
+		},
+		{
+			name: "pending consolidations limit reached",
+			state: func() state.BeaconState {
+				st := &eth.BeaconStateElectra{
+					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
+					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit),
+				}
+				s, err := state_native.InitializeFromProtoElectra(st)
+				require.NoError(t, err)
+				return s
+			}(),
+			reqs: []*enginev1.ConsolidationRequest{
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
+					SourcePubkey:  []byte("val_1"),
+					TargetPubkey:  []byte("val_2"),
+				},
+			},
+			validate: func(t *testing.T, st state.BeaconState) {
+				// Verify no pending consolidation is created.
+				numPC, err := st.NumPendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
+
+				// Verify the source validator is not exiting.
+				src, err := st.ValidatorAtIndex(1)
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch should not be updated")
+				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.WithdrawableEpoch, "source validator withdrawable epoch should not be updated")
+			},
+		},
+		{
+			name: "pending consolidations limit reached during processing",
+			state: func() state.BeaconState {
+				st := &eth.BeaconStateElectra{
+					Slot:                  params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
+					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
+					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit-1),
+				}
+				s, err := state_native.InitializeFromProtoElectra(st)
+				require.NoError(t, err)
+				return s
+			}(),
+			reqs: []*enginev1.ConsolidationRequest{
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
+					SourcePubkey:  []byte("val_1"),
+					TargetPubkey:  []byte("val_2"),
+				},
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(3)),
+					SourcePubkey:  []byte("val_3"),
+					TargetPubkey:  []byte("val_4"),
+				},
+			},
+			validate: func(t *testing.T, st state.BeaconState) {
+				// Verify a pending consolidation is created.
+				numPC, err := st.NumPendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
+
+				// The first consolidation was appended.
+				pcs, err := st.PendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, primitives.ValidatorIndex(1), pcs[params.BeaconConfig().PendingConsolidationsLimit-1].SourceIndex)
+				require.Equal(t, primitives.ValidatorIndex(2), pcs[params.BeaconConfig().PendingConsolidationsLimit-1].TargetIndex)
+
+				// Verify the second source validator is not exiting.
+				src, err := st.ValidatorAtIndex(3)
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch should not be updated")
+				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.WithdrawableEpoch, "source validator withdrawable epoch should not be updated")
+			},
+		},
+		{
+			name: "pending consolidations limit reached and compounded consolidation after",
+			state: func() state.BeaconState {
+				st := &eth.BeaconStateElectra{
+					Slot:                  params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
+					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
+					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit),
+				}
+				// To allow compounding consolidation requests.
+				st.Validators[3].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+				s, err := state_native.InitializeFromProtoElectra(st)
+				require.NoError(t, err)
+				return s
+			}(),
+			reqs: []*enginev1.ConsolidationRequest{
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
+					SourcePubkey:  []byte("val_1"),
+					TargetPubkey:  []byte("val_2"),
+				},
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(3)),
+					SourcePubkey:  []byte("val_3"),
+					TargetPubkey:  []byte("val_3"),
+				},
+			},
+			validate: func(t *testing.T, st state.BeaconState) {
+				// Verify a pending consolidation is created.
+				numPC, err := st.NumPendingConsolidations()
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
+
+				// Verify that the last consolidation was included
+				src, err := st.ValidatorAtIndex(3)
+				require.NoError(t, err)
+				require.Equal(t, params.BeaconConfig().CompoundingWithdrawalPrefixByte, src.WithdrawalCredentials[0], "source validator was not compounded")
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := electra.ProcessConsolidationRequests(context.TODO(), tt.state, tt.reqs)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ProcessWithdrawalRequests() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !tt.wantErr {
+				require.NoError(t, err)
+			}
+			if tt.validate != nil {
+				tt.validate(t, tt.state)
+			}
+		})
+	}
+}
+
 func TestIsValidSwitchToCompoundingRequest(t *testing.T) {
 	st, _ := util.DeterministicGenesisStateElectra(t, 1)
 	t.Run("nil source pubkey", func(t *testing.T) {

beacon-chain/core/electra/deposits.go

@@ -3,6 +3,7 @@ package electra
 import (
 	"context"
 
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
@@ -12,6 +13,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/contracts/deposit"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
@@ -35,7 +37,7 @@ func ProcessDeposits(
 	defer span.End()
 	// Attempt to verify all deposit signatures at once, if this fails then fall back to processing
 	// individual deposits with signature verification enabled.
-	allSignaturesVerified, err := helpers.BatchVerifyDepositsSignatures(ctx, deposits)
+	allSignaturesVerified, err := blocks.BatchVerifyDepositsSignatures(ctx, deposits)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not verify deposit signatures in batch")
 	}
@@ -80,7 +82,7 @@ func ProcessDeposits(
 //	  signature=deposit.data.signature,
 //	 )
 func ProcessDeposit(beaconState state.BeaconState, deposit *ethpb.Deposit, allSignaturesVerified bool) (state.BeaconState, error) {
-	if err := helpers.VerifyDeposit(beaconState, deposit); err != nil {
+	if err := blocks.VerifyDeposit(beaconState, deposit); err != nil {
 		if deposit == nil || deposit.Data == nil {
 			return nil, err
 		}
@@ -375,7 +377,7 @@ func batchProcessNewPendingDeposits(ctx context.Context, state state.BeaconState
 		return nil
 	}
 
-	allSignaturesVerified, err := helpers.BatchVerifyPendingDepositsSignatures(ctx, pendingDeposits)
+	allSignaturesVerified, err := blocks.BatchVerifyPendingDepositsSignatures(ctx, pendingDeposits)
 	if err != nil {
 		return errors.Wrap(err, "batch signature verification failed")
 	}
@@ -384,7 +386,7 @@ func batchProcessNewPendingDeposits(ctx context.Context, state state.BeaconState
 		validSig := allSignaturesVerified
 
 		if !allSignaturesVerified {
-			validSig, err = helpers.IsValidDepositSignature(&ethpb.Deposit_Data{
+			validSig, err = blocks.IsValidDepositSignature(&ethpb.Deposit_Data{
 				PublicKey:             bytesutil.SafeCopyBytes(pd.PublicKey),
 				WithdrawalCredentials: bytesutil.SafeCopyBytes(pd.WithdrawalCredentials),
 				Amount:                pd.Amount,
@@ -439,7 +441,7 @@ func ApplyPendingDeposit(ctx context.Context, st state.BeaconState, deposit *eth
 	defer span.End()
 	index, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(deposit.PublicKey))
 	if !ok {
-		verified, err := helpers.IsValidDepositSignature(&ethpb.Deposit_Data{
+		verified, err := blocks.IsValidDepositSignature(&ethpb.Deposit_Data{
 			PublicKey:             bytesutil.SafeCopyBytes(deposit.PublicKey),
 			WithdrawalCredentials: bytesutil.SafeCopyBytes(deposit.WithdrawalCredentials),
 			Amount:                deposit.Amount,
@@ -535,3 +537,62 @@ func GetValidatorFromDeposit(pubKey []byte, withdrawalCredentials []byte, amount
 	validator.EffectiveBalance = min(amount-(amount%params.BeaconConfig().EffectiveBalanceIncrement), maxEffectiveBalance)
 	return validator, nil
 }
+
+// ProcessDepositRequests is a function as part of electra to process execution layer deposits
+func ProcessDepositRequests(ctx context.Context, beaconState state.BeaconState, requests []*enginev1.DepositRequest) (state.BeaconState, error) {
+	_, span := trace.StartSpan(ctx, "electra.ProcessDepositRequests")
+	defer span.End()
+
+	if len(requests) == 0 {
+		return beaconState, nil
+	}
+
+	var err error
+	for _, receipt := range requests {
+		beaconState, err = processDepositRequest(beaconState, receipt)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not apply deposit request")
+		}
+	}
+	return beaconState, nil
+}
+
+// processDepositRequest processes the specific deposit request
+// def process_deposit_request(state: BeaconState, deposit_request: DepositRequest) -> None:
+//
+//	# Set deposit request start index
+//	if state.deposit_requests_start_index == UNSET_DEPOSIT_REQUESTS_START_INDEX:
+//	    state.deposit_requests_start_index = deposit_request.index
+//
+//	# Create pending deposit
+//	state.pending_deposits.append(PendingDeposit(
+//	    pubkey=deposit_request.pubkey,
+//	    withdrawal_credentials=deposit_request.withdrawal_credentials,
+//	    amount=deposit_request.amount,
+//	    signature=deposit_request.signature,
+//	    slot=state.slot,
+//	))
+func processDepositRequest(beaconState state.BeaconState, request *enginev1.DepositRequest) (state.BeaconState, error) {
+	requestsStartIndex, err := beaconState.DepositRequestsStartIndex()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get deposit requests start index")
+	}
+	if request == nil {
+		return nil, errors.New("nil deposit request")
+	}
+	if requestsStartIndex == params.BeaconConfig().UnsetDepositRequestsStartIndex {
+		if err := beaconState.SetDepositRequestsStartIndex(request.Index); err != nil {
+			return nil, errors.Wrap(err, "could not set deposit requests start index")
+		}
+	}
+	if err := beaconState.AppendPendingDeposit(&ethpb.PendingDeposit{
+		PublicKey:             bytesutil.SafeCopyBytes(request.Pubkey),
+		WithdrawalCredentials: bytesutil.SafeCopyBytes(request.WithdrawalCredentials),
+		Amount:                request.Amount,
+		Signature:             bytesutil.SafeCopyBytes(request.Signature),
+		Slot:                  beaconState.Slot(),
+	}); err != nil {
+		return nil, errors.Wrap(err, "could not append deposit request")
+	}
+	return beaconState, nil
+}

beacon-chain/core/electra/deposits_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/electra"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	stateTesting "github.com/OffchainLabs/prysm/v7/beacon-chain/state/testing"
@@ -14,6 +15,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/crypto/bls"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
 	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/testing/require"
 	"github.com/OffchainLabs/prysm/v7/testing/util"
@@ -359,6 +361,60 @@ func TestBatchProcessNewPendingDeposits(t *testing.T) {
 	})
 }
 
+func TestProcessDepositRequests(t *testing.T) {
+	st, _ := util.DeterministicGenesisStateElectra(t, 1)
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	require.NoError(t, st.SetDepositRequestsStartIndex(1))
+
+	t.Run("empty requests continues", func(t *testing.T) {
+		newSt, err := electra.ProcessDepositRequests(t.Context(), st, []*enginev1.DepositRequest{})
+		require.NoError(t, err)
+		require.DeepEqual(t, newSt, st)
+	})
+	t.Run("nil request errors", func(t *testing.T) {
+		_, err = electra.ProcessDepositRequests(t.Context(), st, []*enginev1.DepositRequest{nil})
+		require.ErrorContains(t, "nil deposit request", err)
+	})
+
+	vals := st.Validators()
+	vals[0].PublicKey = sk.PublicKey().Marshal()
+	vals[0].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
+	require.NoError(t, st.SetValidators(vals))
+	bals := st.Balances()
+	bals[0] = params.BeaconConfig().MinActivationBalance + 2000
+	require.NoError(t, st.SetBalances(bals))
+	require.NoError(t, st.SetPendingDeposits(make([]*eth.PendingDeposit, 0))) // reset pbd as the determinitstic state populates this already
+	withdrawalCred := make([]byte, 32)
+	withdrawalCred[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
+	depositMessage := &eth.DepositMessage{
+		PublicKey:             sk.PublicKey().Marshal(),
+		Amount:                1000,
+		WithdrawalCredentials: withdrawalCred,
+	}
+	domain, err := signing.ComputeDomain(params.BeaconConfig().DomainDeposit, nil, nil)
+	require.NoError(t, err)
+	sr, err := signing.ComputeSigningRoot(depositMessage, domain)
+	require.NoError(t, err)
+	sig := sk.Sign(sr[:])
+	requests := []*enginev1.DepositRequest{
+		{
+			Pubkey:                depositMessage.PublicKey,
+			Index:                 0,
+			WithdrawalCredentials: depositMessage.WithdrawalCredentials,
+			Amount:                depositMessage.Amount,
+			Signature:             sig.Marshal(),
+		},
+	}
+	st, err = electra.ProcessDepositRequests(t.Context(), st, requests)
+	require.NoError(t, err)
+
+	pbd, err := st.PendingDeposits()
+	require.NoError(t, err)
+	require.Equal(t, 1, len(pbd))
+	require.Equal(t, uint64(1000), pbd[0].Amount)
+}
+
 func TestProcessDeposit_Electra_Simple(t *testing.T) {
 	deps, _, err := util.DeterministicDepositsAndKeysSameValidator(3)
 	require.NoError(t, err)

beacon-chain/core/electra/withdrawals.go

@@ -1,4 +1,4 @@
-package requests
+package electra
 
 import (
 	"bytes"
@@ -88,7 +88,7 @@ import (
 //	        withdrawable_epoch=withdrawable_epoch,
 //	    ))
 func ProcessWithdrawalRequests(ctx context.Context, st state.BeaconState, wrs []*enginev1.WithdrawalRequest) (state.BeaconState, error) {
-	ctx, span := trace.StartSpan(ctx, "requests.ProcessWithdrawalRequests")
+	ctx, span := trace.StartSpan(ctx, "electra.ProcessWithdrawalRequests")
 	defer span.End()
 	currentEpoch := slots.ToEpoch(st.Slot())
 	if len(wrs) == 0 {

beacon-chain/core/electra/withdrawals_test.go

@@ -1,9 +1,9 @@
-package requests_test
+package electra_test
 
 import (
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/requests"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/electra"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
@@ -289,7 +289,7 @@ func TestProcessWithdrawRequests(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 
-			got, err := requests.ProcessWithdrawalRequests(t.Context(), tt.args.st, tt.args.wrs)
+			got, err := electra.ProcessWithdrawalRequests(t.Context(), tt.args.st, tt.args.wrs)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("ProcessWithdrawalRequests() error = %v, wantErr %v", err, tt.wantErr)
 				return

beacon-chain/core/gloas/BUILD.bazel

@@ -2,29 +2,18 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
-    srcs = [
-        "bid.go",
-        "payload_attestation.go",
-        "pending_payment.go",
-        "proposer_slashing.go",
-    ],
+    srcs = ["bid.go"],
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/core/gloas",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
-        "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/state:go_default_library",
-        "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
-        "//consensus-types:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
-        "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
         "//crypto/bls/common:go_default_library",
-        "//crypto/hash:go_default_library",
-        "//encoding/bytesutil:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
@@ -33,20 +22,12 @@ go_library(
 
 go_test(
     name = "go_default_test",
-    srcs = [
-        "bid_test.go",
-        "payload_attestation_test.go",
-        "pending_payment_test.go",
-        "proposer_slashing_test.go",
-    ],
+    srcs = ["bid_test.go"],
     embed = [":go_default_library"],
     deps = [
-        "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
-        "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
         "//config/params:go_default_library",
-        "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
@@ -57,10 +38,8 @@ go_test(
         "//proto/prysm/v1alpha1/validator-client:go_default_library",
         "//runtime/version:go_default_library",
         "//testing/require:go_default_library",
-        "//testing/util:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_prysmaticlabs_fastssz//:go_default_library",
-        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
         "@org_golang_google_protobuf//proto:go_default_library",
     ],
 )

beacon-chain/core/gloas/payload_attestation.go

@@ -1,253 +0,0 @@
-package gloas
-
-import (
-	"bytes"
-	"context"
-	"encoding/binary"
-	"fmt"
-	"slices"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/crypto/hash"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-	"github.com/pkg/errors"
-)
-
-// ProcessPayloadAttestations validates payload attestations in a block body.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// process_payload_attestation(state: BeaconState, payload_attestation: PayloadAttestation):
-//
-//	data = payload_attestation.data
-//	assert data.beacon_block_root == state.latest_block_header.parent_root
-//	assert data.slot + 1 == state.slot
-//	indexed = get_indexed_payload_attestation(state, data.slot, payload_attestation)
-//	assert is_valid_indexed_payload_attestation(state, indexed)
-func ProcessPayloadAttestations(ctx context.Context, st state.BeaconState, body interfaces.ReadOnlyBeaconBlockBody) error {
-	atts, err := body.PayloadAttestations()
-	if err != nil {
-		return errors.Wrap(err, "failed to get payload attestations from block body")
-	}
-	if len(atts) == 0 {
-		return nil
-	}
-
-	header := st.LatestBlockHeader()
-
-	for i, att := range atts {
-		data := att.Data
-		if !bytes.Equal(data.BeaconBlockRoot, header.ParentRoot) {
-			return fmt.Errorf("payload attestation %d has wrong parent: got %x want %x", i, data.BeaconBlockRoot, header.ParentRoot)
-		}
-
-		dataSlot, err := data.Slot.SafeAdd(1)
-		if err != nil {
-			return errors.Wrapf(err, "payload attestation %d has invalid slot addition", i)
-		}
-		if dataSlot != st.Slot() {
-			return fmt.Errorf("payload attestation %d has wrong slot: got %d want %d", i, data.Slot+1, st.Slot())
-		}
-
-		indexed, err := indexedPayloadAttestation(ctx, st, att)
-		if err != nil {
-			return errors.Wrapf(err, "payload attestation %d failed to convert to indexed form", i)
-		}
-		if err := validIndexedPayloadAttestation(st, indexed); err != nil {
-			return errors.Wrapf(err, "payload attestation %d failed to verify indexed form", i)
-		}
-	}
-	return nil
-}
-
-// indexedPayloadAttestation converts a payload attestation into its indexed form.
-func indexedPayloadAttestation(ctx context.Context, st state.ReadOnlyBeaconState, att *eth.PayloadAttestation) (*consensus_types.IndexedPayloadAttestation, error) {
-	committee, err := payloadCommittee(ctx, st, att.Data.Slot)
-	if err != nil {
-		return nil, err
-	}
-	indices := make([]primitives.ValidatorIndex, 0, len(committee))
-	for i, idx := range committee {
-		if att.AggregationBits.BitAt(uint64(i)) {
-			indices = append(indices, idx)
-		}
-	}
-	slices.Sort(indices)
-
-	return &consensus_types.IndexedPayloadAttestation{
-		AttestingIndices: indices,
-		Data:             att.Data,
-		Signature:        att.Signature,
-	}, nil
-}
-
-// payloadCommittee returns the payload timeliness committee for a given slot for the state.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// get_ptc(state: BeaconState, slot: Slot) -> Vector[ValidatorIndex, PTC_SIZE]:
-//
-//	epoch = compute_epoch_at_slot(slot)
-//	seed = hash(get_seed(state, epoch, DOMAIN_PTC_ATTESTER) + uint_to_bytes(slot))
-//	indices = []
-//	committees_per_slot = get_committee_count_per_slot(state, epoch)
-//	for i in range(committees_per_slot):
-//	  committee = get_beacon_committee(state, slot, CommitteeIndex(i))
-//	  indices.extend(committee)
-//	return compute_balance_weighted_selection(state, indices, seed, size=PTC_SIZE, shuffle_indices=False)
-func payloadCommittee(ctx context.Context, st state.ReadOnlyBeaconState, slot primitives.Slot) ([]primitives.ValidatorIndex, error) {
-	epoch := slots.ToEpoch(slot)
-	seed, err := ptcSeed(st, epoch, slot)
-	if err != nil {
-		return nil, err
-	}
-
-	activeCount, err := helpers.ActiveValidatorCount(ctx, st, epoch)
-	if err != nil {
-		return nil, err
-	}
-
-	committeesPerSlot := helpers.SlotCommitteeCount(activeCount)
-	out := make([]primitives.ValidatorIndex, 0, activeCount/uint64(params.BeaconConfig().SlotsPerEpoch))
-
-	for i := primitives.CommitteeIndex(0); i < primitives.CommitteeIndex(committeesPerSlot); i++ {
-		committee, err := helpers.BeaconCommitteeFromState(ctx, st, slot, i)
-		if err != nil {
-			return nil, errors.Wrapf(err, "failed to get beacon committee %d", i)
-		}
-		out = append(out, committee...)
-	}
-
-	return selectByBalance(ctx, st, out, seed, fieldparams.PTCSize)
-}
-
-// ptcSeed computes the seed for the payload timeliness committee.
-func ptcSeed(st state.ReadOnlyBeaconState, epoch primitives.Epoch, slot primitives.Slot) ([32]byte, error) {
-	seed, err := helpers.Seed(st, epoch, params.BeaconConfig().DomainPTCAttester)
-	if err != nil {
-		return [32]byte{}, err
-	}
-	return hash.Hash(append(seed[:], bytesutil.Bytes8(uint64(slot))...)), nil
-}
-
-// selectByBalance selects a balance-weighted subset of input candidates.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// compute_balance_weighted_selection(state, indices, seed, size, shuffle_indices):
-// Note: shuffle_indices is false for PTC.
-//
-//	total = len(indices); selected = []; i = 0
-//	while len(selected) < size:
-//	  next = i % total
-//	  if shuffle_indices: next = compute_shuffled_index(next, total, seed)
-//	  if compute_balance_weighted_acceptance(state, indices[next], seed, i):
-//	    selected.append(indices[next])
-//	  i += 1
-func selectByBalance(ctx context.Context, st state.ReadOnlyBeaconState, candidates []primitives.ValidatorIndex, seed [32]byte, count uint64) ([]primitives.ValidatorIndex, error) {
-	if len(candidates) == 0 {
-		return nil, errors.New("no candidates for balance weighted selection")
-	}
-
-	hashFunc := hash.CustomSHA256Hasher()
-	// Pre-allocate buffer for hash input: seed (32 bytes) + round counter (8 bytes).
-	var buf [40]byte
-	copy(buf[:], seed[:])
-	maxBalance := params.BeaconConfig().MaxEffectiveBalanceElectra
-
-	selected := make([]primitives.ValidatorIndex, 0, count)
-	total := uint64(len(candidates))
-	for i := uint64(0); uint64(len(selected)) < count; i++ {
-		if ctx.Err() != nil {
-			return nil, ctx.Err()
-		}
-		idx := candidates[i%total]
-		ok, err := acceptByBalance(st, idx, buf[:], hashFunc, maxBalance, i)
-		if err != nil {
-			return nil, err
-		}
-		if ok {
-			selected = append(selected, idx)
-		}
-	}
-	return selected, nil
-}
-
-// acceptByBalance determines if a validator is accepted based on its effective balance.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// compute_balance_weighted_acceptance(state, index, seed, i):
-//
-//	MAX_RANDOM_VALUE = 2**16 - 1
-//	random_bytes = hash(seed + uint_to_bytes(i // 16))
-//	offset = i % 16 * 2
-//	random_value = bytes_to_uint64(random_bytes[offset:offset+2])
-//	effective_balance = state.validators[index].effective_balance
-//	return effective_balance * MAX_RANDOM_VALUE >= MAX_EFFECTIVE_BALANCE_ELECTRA * random_value
-func acceptByBalance(st state.ReadOnlyBeaconState, idx primitives.ValidatorIndex, seedBuf []byte, hashFunc func([]byte) [32]byte, maxBalance uint64, round uint64) (bool, error) {
-	// Reuse the seed buffer by overwriting the last 8 bytes with the round counter.
-	binary.LittleEndian.PutUint64(seedBuf[len(seedBuf)-8:], round/16)
-	random := hashFunc(seedBuf)
-	offset := (round % 16) * 2
-	randomValue := uint64(binary.LittleEndian.Uint16(random[offset : offset+2])) // 16-bit draw per spec
-
-	val, err := st.ValidatorAtIndex(idx)
-	if err != nil {
-		return false, errors.Wrapf(err, "validator %d", idx)
-	}
-
-	return val.EffectiveBalance*fieldparams.MaxRandomValueElectra >= maxBalance*randomValue, nil
-}
-
-// validIndexedPayloadAttestation verifies the signature of an indexed payload attestation.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// is_valid_indexed_payload_attestation(state: BeaconState, indexed_payload_attestation: IndexedPayloadAttestation) -> bool:
-//
-//	indices = indexed_payload_attestation.attesting_indices
-//	return len(indices) > 0 and indices == sorted(indices) and
-//	  bls.FastAggregateVerify(
-//	    [state.validators[i].pubkey for i in indices],
-//	    compute_signing_root(indexed_payload_attestation.data, get_domain(state, DOMAIN_PTC_ATTESTER, compute_epoch_at_slot(attestation.data.slot)),
-//	    indexed_payload_attestation.signature,
-//	  )
-func validIndexedPayloadAttestation(st state.ReadOnlyBeaconState, att *consensus_types.IndexedPayloadAttestation) error {
-	indices := att.AttestingIndices
-	if len(indices) == 0 || !slices.IsSorted(indices) {
-		return errors.New("attesting indices empty or unsorted")
-	}
-
-	pubkeys := make([]bls.PublicKey, len(indices))
-	for i, idx := range indices {
-		val, err := st.ValidatorAtIndexReadOnly(idx)
-		if err != nil {
-			return errors.Wrapf(err, "validator %d", idx)
-		}
-		keyBytes := val.PublicKey()
-		key, err := bls.PublicKeyFromBytes(keyBytes[:])
-		if err != nil {
-			return errors.Wrapf(err, "pubkey %d", idx)
-		}
-		pubkeys[i] = key
-	}
-
-	domain, err := signing.Domain(st.Fork(), slots.ToEpoch(att.Data.Slot), params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
-	if err != nil {
-		return err
-	}
-	root, err := signing.ComputeSigningRoot(att.Data, domain)
-	if err != nil {
-		return err
-	}
-	sig, err := bls.SignatureFromBytes(att.Signature)
-	if err != nil {
-		return err
-	}
-
-	if !sig.FastAggregateVerify(pubkeys, root) {
-		return errors.New("invalid signature")
-	}
-	return nil
-}

beacon-chain/core/gloas/payload_attestation_test.go

@@ -1,305 +0,0 @@
-package gloas_test
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/OffchainLabs/go-bitfield"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/gloas"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	testutil "github.com/OffchainLabs/prysm/v7/testing/util"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-)
-
-func TestProcessPayloadAttestations_WrongParent(t *testing.T) {
-	setupTestConfig(t)
-
-	_, pk := newKey(t)
-	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
-	require.NoError(t, st.SetSlot(2))
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	att := &eth.PayloadAttestation{
-		Data: &eth.PayloadAttestationData{
-			BeaconBlockRoot: bytes.Repeat([]byte{0xbb}, 32),
-			Slot:            1,
-		},
-		AggregationBits: bitfield.NewBitvector512(),
-		Signature:       make([]byte, 96),
-	}
-	body := buildBody(t, att)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.ErrorContains(t, "wrong parent", err)
-}
-
-func TestProcessPayloadAttestations_WrongSlot(t *testing.T) {
-	setupTestConfig(t)
-
-	_, pk := newKey(t)
-	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
-	require.NoError(t, st.SetSlot(3))
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	att := &eth.PayloadAttestation{
-		Data: &eth.PayloadAttestationData{
-			BeaconBlockRoot: parentRoot,
-			Slot:            1,
-		},
-		AggregationBits: bitfield.NewBitvector512(),
-		Signature:       make([]byte, 96),
-	}
-	body := buildBody(t, att)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.ErrorContains(t, "wrong slot", err)
-}
-
-func TestProcessPayloadAttestations_InvalidSignature(t *testing.T) {
-	setupTestConfig(t)
-
-	_, pk1 := newKey(t)
-	sk2, pk2 := newKey(t)
-	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
-	st := newTestState(t, vals, 2)
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	attData := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            1,
-	}
-	att := &eth.PayloadAttestation{
-		Data:            attData,
-		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
-		Signature:       signAttestation(t, st, attData, []common.SecretKey{sk2}),
-	}
-	body := buildBody(t, att)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.ErrorContains(t, "failed to verify indexed form", err)
-	require.ErrorContains(t, "invalid signature", err)
-}
-
-func TestProcessPayloadAttestations_EmptyAggregationBits(t *testing.T) {
-	setupTestConfig(t)
-
-	_, pk := newKey(t)
-	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
-	require.NoError(t, st.SetSlot(2))
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	attData := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            1,
-	}
-	att := &eth.PayloadAttestation{
-		Data:            attData,
-		AggregationBits: bitfield.NewBitvector512(),
-		Signature:       make([]byte, 96),
-	}
-	body := buildBody(t, att)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.ErrorContains(t, "failed to verify indexed form", err)
-	require.ErrorContains(t, "attesting indices empty or unsorted", err)
-}
-
-func TestProcessPayloadAttestations_HappyPath(t *testing.T) {
-	helpers.ClearCache()
-	setupTestConfig(t)
-
-	sk1, pk1 := newKey(t)
-	sk2, pk2 := newKey(t)
-	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
-
-	st := newTestState(t, vals, 2)
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	attData := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            1,
-	}
-	aggBits := bitfield.NewBitvector512()
-	aggBits.SetBitAt(0, true)
-	aggBits.SetBitAt(1, true)
-
-	att := &eth.PayloadAttestation{
-		Data:            attData,
-		AggregationBits: aggBits,
-		Signature:       signAttestation(t, st, attData, []common.SecretKey{sk1, sk2}),
-	}
-	body := buildBody(t, att)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.NoError(t, err)
-}
-
-func TestProcessPayloadAttestations_MultipleAttestations(t *testing.T) {
-	helpers.ClearCache()
-	setupTestConfig(t)
-
-	sk1, pk1 := newKey(t)
-	sk2, pk2 := newKey(t)
-	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
-
-	st := newTestState(t, vals, 2)
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	attData1 := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            1,
-	}
-	attData2 := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            1,
-	}
-
-	att1 := &eth.PayloadAttestation{
-		Data:            attData1,
-		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
-		Signature:       signAttestation(t, st, attData1, []common.SecretKey{sk1}),
-	}
-	att2 := &eth.PayloadAttestation{
-		Data:            attData2,
-		AggregationBits: setBits(bitfield.NewBitvector512(), 1),
-		Signature:       signAttestation(t, st, attData2, []common.SecretKey{sk2}),
-	}
-
-	body := buildBody(t, att1, att2)
-
-	err := gloas.ProcessPayloadAttestations(t.Context(), st, body)
-	require.NoError(t, err)
-}
-
-func TestProcessPayloadAttestations_IndexedVerificationError(t *testing.T) {
-	setupTestConfig(t)
-
-	_, pk := newKey(t)
-	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
-	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
-	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
-
-	attData := &eth.PayloadAttestationData{
-		BeaconBlockRoot: parentRoot,
-		Slot:            0,
-	}
-	att := &eth.PayloadAttestation{
-		Data:            attData,
-		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
-		Signature:       make([]byte, 96),
-	}
-	body := buildBody(t, att)
-
-	errState := &validatorLookupErrState{
-		BeaconState: st,
-		errIndex:    0,
-	}
-	err := gloas.ProcessPayloadAttestations(t.Context(), errState, body)
-	require.ErrorContains(t, "failed to verify indexed form", err)
-	require.ErrorContains(t, "validator 0", err)
-}
-
-func newTestState(t *testing.T, vals []*eth.Validator, slot primitives.Slot) state.BeaconState {
-	st, err := testutil.NewBeaconState()
-	require.NoError(t, err)
-	for _, v := range vals {
-		require.NoError(t, st.AppendValidator(v))
-		require.NoError(t, st.AppendBalance(v.EffectiveBalance))
-	}
-	require.NoError(t, st.SetSlot(slot))
-	require.NoError(t, helpers.UpdateCommitteeCache(t.Context(), st, slots.ToEpoch(slot)))
-	return st
-}
-
-func setupTestConfig(t *testing.T) {
-	params.SetupTestConfigCleanup(t)
-	cfg := params.BeaconConfig().Copy()
-	cfg.SlotsPerEpoch = 1
-	cfg.MaxEffectiveBalanceElectra = cfg.MaxEffectiveBalance
-	params.OverrideBeaconConfig(cfg)
-}
-
-func buildBody(t *testing.T, atts ...*eth.PayloadAttestation) interfaces.ReadOnlyBeaconBlockBody {
-	body := &eth.BeaconBlockBodyGloas{
-		PayloadAttestations:   atts,
-		RandaoReveal:          make([]byte, 96),
-		Eth1Data:              &eth.Eth1Data{},
-		Graffiti:              make([]byte, 32),
-		ProposerSlashings:     []*eth.ProposerSlashing{},
-		AttesterSlashings:     []*eth.AttesterSlashingElectra{},
-		Attestations:          []*eth.AttestationElectra{},
-		Deposits:              []*eth.Deposit{},
-		VoluntaryExits:        []*eth.SignedVoluntaryExit{},
-		SyncAggregate:         &eth.SyncAggregate{},
-		BlsToExecutionChanges: []*eth.SignedBLSToExecutionChange{},
-	}
-	wrapped, err := blocks.NewBeaconBlockBody(body)
-	require.NoError(t, err)
-	return wrapped
-}
-
-func setBits(bits bitfield.Bitvector512, idx uint64) bitfield.Bitvector512 {
-	bits.SetBitAt(idx, true)
-	return bits
-}
-
-func activeValidator(pub []byte) *eth.Validator {
-	return &eth.Validator{
-		PublicKey:                  pub,
-		EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
-		WithdrawalCredentials:      make([]byte, 32),
-		ActivationEligibilityEpoch: 0,
-		ActivationEpoch:            0,
-		ExitEpoch:                  params.BeaconConfig().FarFutureEpoch,
-		WithdrawableEpoch:          params.BeaconConfig().FarFutureEpoch,
-	}
-}
-
-func newKey(t *testing.T) (common.SecretKey, []byte) {
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	return sk, sk.PublicKey().Marshal()
-}
-
-func signAttestation(t *testing.T, st state.ReadOnlyBeaconState, data *eth.PayloadAttestationData, sks []common.SecretKey) []byte {
-	domain, err := signing.Domain(st.Fork(), slots.ToEpoch(data.Slot), params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
-	require.NoError(t, err)
-	root, err := signing.ComputeSigningRoot(data, domain)
-	require.NoError(t, err)
-
-	sigs := make([]common.Signature, len(sks))
-	for i, sk := range sks {
-		sigs[i] = sk.Sign(root[:])
-	}
-	agg := bls.AggregateSignatures(sigs)
-	return agg.Marshal()
-}
-
-type validatorLookupErrState struct {
-	state.BeaconState
-	errIndex primitives.ValidatorIndex
-}
-
-// ValidatorAtIndexReadOnly is overridden to simulate a missing validator lookup.
-func (s *validatorLookupErrState) ValidatorAtIndexReadOnly(idx primitives.ValidatorIndex) (state.ReadOnlyValidator, error) {
-	if idx == s.errIndex {
-		return nil, state.ErrNilValidatorsInState
-	}
-	return s.BeaconState.ValidatorAtIndexReadOnly(idx)
-}

beacon-chain/core/gloas/pending_payment.go

@@ -1,76 +0,0 @@
-package gloas
-
-import (
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/pkg/errors"
-)
-
-// ProcessBuilderPendingPayments processes the builder pending payments from the previous epoch.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def process_builder_pending_payments(state: BeaconState) -> None:
-//
-//	quorum = get_builder_payment_quorum_threshold(state)
-//	for payment in state.builder_pending_payments[:SLOTS_PER_EPOCH]:
-//	    if payment.weight >= quorum:
-//	        state.builder_pending_withdrawals.append(payment.withdrawal)
-//
-//	old_payments = state.builder_pending_payments[SLOTS_PER_EPOCH:]
-//	new_payments = [BuilderPendingPayment() for _ in range(SLOTS_PER_EPOCH)]
-//	state.builder_pending_payments = old_payments + new_payments
-func ProcessBuilderPendingPayments(state state.BeaconState) error {
-	quorum, err := builderQuorumThreshold(state)
-	if err != nil {
-		return errors.Wrap(err, "could not compute builder payment quorum threshold")
-	}
-
-	payments, err := state.BuilderPendingPayments()
-	if err != nil {
-		return errors.Wrap(err, "could not get builder pending payments")
-	}
-
-	slotsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch)
-	var withdrawals []*ethpb.BuilderPendingWithdrawal
-	for _, payment := range payments[:slotsPerEpoch] {
-		if quorum > payment.Weight {
-			continue
-		}
-		withdrawals = append(withdrawals, payment.Withdrawal)
-	}
-
-	if err := state.AppendBuilderPendingWithdrawals(withdrawals); err != nil {
-		return errors.Wrap(err, "could not append builder pending withdrawals")
-	}
-
-	if err := state.RotateBuilderPendingPayments(); err != nil {
-		return errors.Wrap(err, "could not rotate builder pending payments")
-	}
-
-	return nil
-}
-
-// builderQuorumThreshold calculates the quorum threshold for builder payments.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def get_builder_payment_quorum_threshold(state: BeaconState) -> uint64:
-//
-//	per_slot_balance = get_total_active_balance(state) // SLOTS_PER_EPOCH
-//	quorum = per_slot_balance * BUILDER_PAYMENT_THRESHOLD_NUMERATOR
-//	return uint64(quorum // BUILDER_PAYMENT_THRESHOLD_DENOMINATOR)
-func builderQuorumThreshold(state state.ReadOnlyBeaconState) (primitives.Gwei, error) {
-	activeBalance, err := helpers.TotalActiveBalance(state)
-	if err != nil {
-		return 0, errors.Wrap(err, "could not get total active balance")
-	}
-
-	cfg := params.BeaconConfig()
-	slotsPerEpoch := uint64(cfg.SlotsPerEpoch)
-	numerator := cfg.BuilderPaymentThresholdNumerator
-	denominator := cfg.BuilderPaymentThresholdDenominator
-
-	activeBalancePerSlot := activeBalance / slotsPerEpoch
-	quorum := (activeBalancePerSlot * numerator) / denominator
-	return primitives.Gwei(quorum), nil
-}

beacon-chain/core/gloas/pending_payment_test.go

@@ -1,119 +0,0 @@
-package gloas
-
-import (
-	"slices"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func TestBuilderQuorumThreshold(t *testing.T) {
-	helpers.ClearCache()
-	cfg := params.BeaconConfig()
-
-	validators := []*ethpb.Validator{
-		{EffectiveBalance: cfg.MaxEffectiveBalance, ActivationEpoch: 0, ExitEpoch: 1},
-		{EffectiveBalance: cfg.MaxEffectiveBalance, ActivationEpoch: 0, ExitEpoch: 1},
-	}
-	st, err := state_native.InitializeFromProtoUnsafeGloas(&ethpb.BeaconStateGloas{Validators: validators})
-	require.NoError(t, err)
-
-	got, err := builderQuorumThreshold(st)
-	require.NoError(t, err)
-
-	total := uint64(len(validators)) * cfg.MaxEffectiveBalance
-	perSlot := total / uint64(cfg.SlotsPerEpoch)
-	want := (perSlot * cfg.BuilderPaymentThresholdNumerator) / cfg.BuilderPaymentThresholdDenominator
-	require.Equal(t, primitives.Gwei(want), got)
-}
-
-func TestProcessBuilderPendingPayments(t *testing.T) {
-	helpers.ClearCache()
-	cfg := params.BeaconConfig()
-
-	buildPayments := func(weights ...primitives.Gwei) []*ethpb.BuilderPendingPayment {
-		p := make([]*ethpb.BuilderPendingPayment, 2*int(cfg.SlotsPerEpoch))
-		for i := range p {
-			p[i] = &ethpb.BuilderPendingPayment{
-				Withdrawal: &ethpb.BuilderPendingWithdrawal{FeeRecipient: make([]byte, 20)},
-			}
-		}
-		for i, w := range weights {
-			p[i].Weight = w
-			p[i].Withdrawal.Amount = 1
-		}
-		return p
-	}
-
-	validators := []*ethpb.Validator{
-		{EffectiveBalance: cfg.MaxEffectiveBalance, ActivationEpoch: 0, ExitEpoch: 1},
-		{EffectiveBalance: cfg.MaxEffectiveBalance, ActivationEpoch: 0, ExitEpoch: 1},
-	}
-	pbSt, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{Validators: validators})
-	require.NoError(t, err)
-
-	total := uint64(len(validators)) * cfg.MaxEffectiveBalance
-	perSlot := total / uint64(cfg.SlotsPerEpoch)
-	quorum := (perSlot * cfg.BuilderPaymentThresholdNumerator) / cfg.BuilderPaymentThresholdDenominator
-	slotsPerEpoch := int(cfg.SlotsPerEpoch)
-
-	t.Run("append qualifying withdrawals", func(t *testing.T) {
-		payments := buildPayments(primitives.Gwei(quorum+1), primitives.Gwei(quorum+2))
-		st := &testProcessState{BeaconState: pbSt, payments: payments}
-
-		require.NoError(t, ProcessBuilderPendingPayments(st))
-		require.Equal(t, 2, len(st.withdrawals))
-		require.Equal(t, payments[0].Withdrawal, st.withdrawals[0])
-		require.Equal(t, payments[1].Withdrawal, st.withdrawals[1])
-
-		require.Equal(t, 2*slotsPerEpoch, len(st.payments))
-		for i := slotsPerEpoch; i < 2*slotsPerEpoch; i++ {
-			require.Equal(t, primitives.Gwei(0), st.payments[i].Weight)
-			require.Equal(t, primitives.Gwei(0), st.payments[i].Withdrawal.Amount)
-			require.Equal(t, 20, len(st.payments[i].Withdrawal.FeeRecipient))
-		}
-	})
-
-	t.Run("no withdrawals when below quorum", func(t *testing.T) {
-		payments := buildPayments(primitives.Gwei(quorum - 1))
-		st := &testProcessState{BeaconState: pbSt, payments: payments}
-
-		require.NoError(t, ProcessBuilderPendingPayments(st))
-		require.Equal(t, 0, len(st.withdrawals))
-	})
-}
-
-type testProcessState struct {
-	state.BeaconState
-	payments    []*ethpb.BuilderPendingPayment
-	withdrawals []*ethpb.BuilderPendingWithdrawal
-}
-
-func (t *testProcessState) BuilderPendingPayments() ([]*ethpb.BuilderPendingPayment, error) {
-	return t.payments, nil
-}
-
-func (t *testProcessState) AppendBuilderPendingWithdrawals(withdrawals []*ethpb.BuilderPendingWithdrawal) error {
-	t.withdrawals = append(t.withdrawals, withdrawals...)
-	return nil
-}
-
-func (t *testProcessState) RotateBuilderPendingPayments() error {
-	slotsPerEpoch := int(params.BeaconConfig().SlotsPerEpoch)
-	rotated := slices.Clone(t.payments[slotsPerEpoch:])
-	for range slotsPerEpoch {
-		rotated = append(rotated, &ethpb.BuilderPendingPayment{
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				FeeRecipient: make([]byte, 20),
-			},
-		})
-	}
-	t.payments = rotated
-	return nil
-}

beacon-chain/core/gloas/proposer_slashing.go

@@ -1,43 +0,0 @@
-package gloas
-
-import (
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/time"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-	"github.com/pkg/errors"
-)
-
-// RemoveBuilderPendingPayment removes the pending builder payment for the proposal slot.
-// Spec v1.7.0 (pseudocode):
-//
-//	slot = header_1.slot
-//	proposal_epoch = compute_epoch_at_slot(slot)
-//	if proposal_epoch == get_current_epoch(state):
-//	  payment_index = SLOTS_PER_EPOCH + slot % SLOTS_PER_EPOCH
-//	  state.builder_pending_payments[payment_index] = BuilderPendingPayment()
-//	elif proposal_epoch == get_previous_epoch(state):
-//	  payment_index = slot % SLOTS_PER_EPOCH
-//	  state.builder_pending_payments[payment_index] = BuilderPendingPayment()
-func RemoveBuilderPendingPayment(st state.BeaconState, header *eth.BeaconBlockHeader) error {
-	proposalEpoch := slots.ToEpoch(header.Slot)
-	currentEpoch := time.CurrentEpoch(st)
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-
-	var paymentIndex primitives.Slot
-	if proposalEpoch == currentEpoch {
-		paymentIndex = slotsPerEpoch + header.Slot%slotsPerEpoch
-	} else if proposalEpoch+1 == currentEpoch {
-		paymentIndex = header.Slot % slotsPerEpoch
-	} else {
-		return nil
-	}
-
-	if err := st.ClearBuilderPendingPayment(paymentIndex); err != nil {
-		return errors.Wrap(err, "could not clear builder pending payment")
-	}
-
-	return nil
-}

beacon-chain/core/gloas/proposer_slashing_test.go

@@ -1,112 +0,0 @@
-package gloas
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func TestRemoveBuilderPendingPayment_CurrentEpoch(t *testing.T) {
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	stateSlot := slotsPerEpoch*2 + 1
-	headerSlot := slotsPerEpoch * 2
-
-	st := newGloasStateWithPayments(t, stateSlot)
-	paymentIndex := int(slotsPerEpoch + headerSlot%slotsPerEpoch)
-
-	setPendingPayment(t, st, paymentIndex, 123)
-
-	err := RemoveBuilderPendingPayment(st, &eth.BeaconBlockHeader{Slot: headerSlot})
-	require.NoError(t, err)
-
-	got := getPendingPayment(t, st, paymentIndex)
-	require.NotNil(t, got.Withdrawal)
-	require.DeepEqual(t, make([]byte, 20), got.Withdrawal.FeeRecipient)
-	require.Equal(t, uint64(0), uint64(got.Withdrawal.Amount))
-}
-
-func TestRemoveBuilderPendingPayment_PreviousEpoch(t *testing.T) {
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	stateSlot := slotsPerEpoch*2 + 1
-	headerSlot := slotsPerEpoch + 7
-
-	st := newGloasStateWithPayments(t, stateSlot)
-	paymentIndex := int(headerSlot % slotsPerEpoch)
-
-	setPendingPayment(t, st, paymentIndex, 456)
-
-	err := RemoveBuilderPendingPayment(st, &eth.BeaconBlockHeader{Slot: headerSlot})
-	require.NoError(t, err)
-
-	got := getPendingPayment(t, st, paymentIndex)
-	require.NotNil(t, got.Withdrawal)
-	require.DeepEqual(t, make([]byte, 20), got.Withdrawal.FeeRecipient)
-	require.Equal(t, uint64(0), uint64(got.Withdrawal.Amount))
-}
-
-func TestRemoveBuilderPendingPayment_OlderThanTwoEpoch(t *testing.T) {
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	stateSlot := slotsPerEpoch*4 + 1 // current epoch far ahead
-	headerSlot := slotsPerEpoch * 2  // two epochs behind
-
-	st := newGloasStateWithPayments(t, stateSlot)
-	paymentIndex := int(headerSlot % slotsPerEpoch)
-
-	original := getPendingPayment(t, st, paymentIndex)
-
-	err := RemoveBuilderPendingPayment(st, &eth.BeaconBlockHeader{Slot: headerSlot})
-	require.NoError(t, err)
-
-	after := getPendingPayment(t, st, paymentIndex)
-	require.DeepEqual(t, original.Withdrawal.FeeRecipient, after.Withdrawal.FeeRecipient)
-	require.Equal(t, original.Withdrawal.Amount, after.Withdrawal.Amount)
-}
-
-func newGloasStateWithPayments(t *testing.T, slot primitives.Slot) state.BeaconState {
-	t.Helper()
-
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	paymentCount := int(slotsPerEpoch * 2)
-	payments := make([]*eth.BuilderPendingPayment, paymentCount)
-	for i := range payments {
-		payments[i] = &eth.BuilderPendingPayment{
-			Withdrawal: &eth.BuilderPendingWithdrawal{
-				FeeRecipient: bytes.Repeat([]byte{0x01}, 20),
-				Amount:       1,
-			},
-		}
-	}
-
-	st, err := state_native.InitializeFromProtoUnsafeGloas(&eth.BeaconStateGloas{
-		Slot:                   slot,
-		BuilderPendingPayments: payments,
-	})
-	require.NoError(t, err)
-	return st
-}
-
-func setPendingPayment(t *testing.T, st state.BeaconState, index int, amount uint64) {
-	t.Helper()
-
-	payment := &eth.BuilderPendingPayment{
-		Withdrawal: &eth.BuilderPendingWithdrawal{
-			FeeRecipient: bytes.Repeat([]byte{0x02}, 20),
-			Amount:       primitives.Gwei(amount),
-		},
-	}
-	require.NoError(t, st.SetBuilderPendingPayment(primitives.Slot(index), payment))
-}
-
-func getPendingPayment(t *testing.T, st state.BeaconState, index int) *eth.BuilderPendingPayment {
-	t.Helper()
-
-	stateProto := st.ToProtoUnsafe().(*eth.BeaconStateGloas)
-
-	return stateProto.BuilderPendingPayments[index]
-}

beacon-chain/core/helpers/BUILD.bazel

@@ -6,7 +6,6 @@ go_library(
         "attestation.go",
         "beacon_committee.go",
         "block.go",
-        "deposit.go",
         "genesis.go",
         "legacy.go",
         "log.go",
@@ -24,7 +23,6 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/cache:go_default_library",
-        "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/forkchoice/types:go_default_library",
         "//beacon-chain/state:go_default_library",
@@ -33,7 +31,6 @@ go_library(
         "//consensus-types/primitives:go_default_library",
         "//container/slice:go_default_library",
         "//container/trie:go_default_library",
-        "//contracts/deposit:go_default_library",
         "//crypto/bls:go_default_library",
         "//crypto/hash:go_default_library",
         "//encoding/bytesutil:go_default_library",
@@ -57,7 +54,6 @@ go_test(
         "attestation_test.go",
         "beacon_committee_test.go",
         "block_test.go",
-        "deposit_test.go",
         "legacy_test.go",
         "private_access_fuzz_noop_test.go",  # keep
         "private_access_test.go",
@@ -76,7 +72,6 @@ go_test(
     tags = ["CI_race_detection"],
     deps = [
         "//beacon-chain/cache:go_default_library",
-        "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/forkchoice/types:go_default_library",
         "//beacon-chain/state:go_default_library",
@@ -85,8 +80,6 @@ go_test(
         "//config/params:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//container/slice:go_default_library",
-        "//container/trie:go_default_library",
-        "//crypto/bls:go_default_library",
         "//crypto/hash:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",

beacon-chain/core/requests/BUILD.bazel

@@ -1,60 +0,0 @@
-load("@prysm//tools/go:def.bzl", "go_library", "go_test")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "consolidations.go",
-        "deposits.go",
-        "log.go",
-        "withdrawals.go",
-    ],
-    importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/core/requests",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//beacon-chain/core/helpers:go_default_library",
-        "//beacon-chain/core/validators:go_default_library",
-        "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/state-native:go_default_library",
-        "//config/params:go_default_library",
-        "//consensus-types/primitives:go_default_library",
-        "//crypto/bls/common:go_default_library",
-        "//encoding/bytesutil:go_default_library",
-        "//math:go_default_library",
-        "//monitoring/tracing/trace:go_default_library",
-        "//proto/engine/v1:go_default_library",
-        "//proto/prysm/v1alpha1:go_default_library",
-        "//runtime/version:go_default_library",
-        "//time/slots:go_default_library",
-        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
-        "@com_github_ethereum_go_ethereum//common/math:go_default_library",
-        "@com_github_pkg_errors//:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-    ],
-)
-
-go_test(
-    name = "go_default_test",
-    srcs = [
-        "consolidations_test.go",
-        "deposits_test.go",
-        "withdrawals_test.go",
-    ],
-    deps = [
-        ":go_default_library",
-        "//beacon-chain/core/signing:go_default_library",
-        "//beacon-chain/state:go_default_library",
-        "//beacon-chain/state/state-native:go_default_library",
-        "//config/params:go_default_library",
-        "//consensus-types/primitives:go_default_library",
-        "//crypto/bls:go_default_library",
-        "//encoding/bytesutil:go_default_library",
-        "//proto/engine/v1:go_default_library",
-        "//proto/prysm/v1alpha1:go_default_library",
-        "//testing/assert:go_default_library",
-        "//testing/require:go_default_library",
-        "//testing/util:go_default_library",
-        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-        "@com_github_sirupsen_logrus//hooks/test:go_default_library",
-    ],
-)

beacon-chain/core/requests/consolidations.go

@@ -1,365 +0,0 @@
-package requests
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	prysmMath "github.com/OffchainLabs/prysm/v7/math"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-	"github.com/ethereum/go-ethereum/common/math"
-	"github.com/pkg/errors"
-)
-
-// ProcessConsolidationRequests implements the spec definition below. This method makes mutating
-// calls to the beacon state.
-//
-//	def process_consolidation_request(
-//	    state: BeaconState,
-//	    consolidation_request: ConsolidationRequest
-//	) -> None:
-//	    if is_valid_switch_to_compounding_request(state, consolidation_request):
-//	        validator_pubkeys = [v.pubkey for v in state.validators]
-//	        request_source_pubkey = consolidation_request.source_pubkey
-//	        source_index = ValidatorIndex(validator_pubkeys.index(request_source_pubkey))
-//	        switch_to_compounding_validator(state, source_index)
-//	        return
-//
-//	    # Verify that source != target, so a consolidation cannot be used as an exit.
-//	    if consolidation_request.source_pubkey == consolidation_request.target_pubkey:
-//	        return
-//	    # If the pending consolidations queue is full, consolidation requests are ignored
-//	    if len(state.pending_consolidations) == PENDING_CONSOLIDATIONS_LIMIT:
-//	        return
-//	    # If there is too little available consolidation churn limit, consolidation requests are ignored
-//	    if get_consolidation_churn_limit(state) <= MIN_ACTIVATION_BALANCE:
-//	        return
-//
-//	    validator_pubkeys = [v.pubkey for v in state.validators]
-//	    # Verify pubkeys exists
-//	    request_source_pubkey = consolidation_request.source_pubkey
-//	    request_target_pubkey = consolidation_request.target_pubkey
-//	    if request_source_pubkey not in validator_pubkeys:
-//	        return
-//	    if request_target_pubkey not in validator_pubkeys:
-//	        return
-//	    source_index = ValidatorIndex(validator_pubkeys.index(request_source_pubkey))
-//	    target_index = ValidatorIndex(validator_pubkeys.index(request_target_pubkey))
-//	    source_validator = state.validators[source_index]
-//	    target_validator = state.validators[target_index]
-//
-//	    # Verify source withdrawal credentials
-//	    has_correct_credential = has_execution_withdrawal_credential(source_validator)
-//	    is_correct_source_address = (
-//	        source_validator.withdrawal_credentials[12:] == consolidation_request.source_address
-//	    )
-//	    if not (has_correct_credential and is_correct_source_address):
-//	        return
-//
-//	    # Verify that target has compounding withdrawal credentials
-//	    if not has_compounding_withdrawal_credential(target_validator):
-//	        return
-//
-//	    # Verify the source and the target are active
-//	    current_epoch = get_current_epoch(state)
-//	    if not is_active_validator(source_validator, current_epoch):
-//	        return
-//	    if not is_active_validator(target_validator, current_epoch):
-//	        return
-//	    # Verify exits for source and target have not been initiated
-//	    if source_validator.exit_epoch != FAR_FUTURE_EPOCH:
-//	        return
-//	    if target_validator.exit_epoch != FAR_FUTURE_EPOCH:
-//	        return
-//
-//	    # Verify the source has been active long enough
-//	    if current_epoch < source_validator.activation_epoch + SHARD_COMMITTEE_PERIOD:
-//	        return
-//
-//	    # Verify the source has no pending withdrawals in the queue
-//	    if get_pending_balance_to_withdraw(state, source_index) > 0:
-//	        return
-//	    # Initiate source validator exit and append pending consolidation
-//	    source_validator.exit_epoch = compute_consolidation_epoch_and_update_churn(
-//	        state, source_validator.effective_balance
-//	    )
-//	    source_validator.withdrawable_epoch = Epoch(
-//	        source_validator.exit_epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
-//	    )
-//	    state.pending_consolidations.append(PendingConsolidation(
-//	        source_index=source_index,
-//	        target_index=target_index
-//	    ))
-func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, reqs []*enginev1.ConsolidationRequest) error {
-	ctx, span := trace.StartSpan(ctx, "requests.ProcessConsolidationRequests")
-	defer span.End()
-
-	if len(reqs) == 0 || st == nil {
-		return nil
-	}
-	curEpoch := slots.ToEpoch(st.Slot())
-	ffe := params.BeaconConfig().FarFutureEpoch
-	minValWithdrawDelay := params.BeaconConfig().MinValidatorWithdrawabilityDelay
-	pcLimit := params.BeaconConfig().PendingConsolidationsLimit
-
-	for _, cr := range reqs {
-		if cr == nil {
-			return errors.New("nil consolidation request")
-		}
-		if ctx.Err() != nil {
-			return fmt.Errorf("cannot process consolidation requests: %w", ctx.Err())
-		}
-
-		if isValidSwitchToCompoundingRequest(st, cr) {
-			srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(cr.SourcePubkey))
-			if !ok {
-				log.Error("Failed to find source validator index")
-				continue
-			}
-			if err := switchToCompoundingValidator(st, srcIdx); err != nil {
-				log.WithError(err).Error("Failed to switch to compounding validator")
-			}
-			continue
-		}
-
-		sourcePubkey := bytesutil.ToBytes48(cr.SourcePubkey)
-		targetPubkey := bytesutil.ToBytes48(cr.TargetPubkey)
-		if sourcePubkey == targetPubkey {
-			continue
-		}
-
-		if npc, err := st.NumPendingConsolidations(); err != nil {
-			return fmt.Errorf("failed to fetch number of pending consolidations: %w", err) // This should never happen.
-		} else if npc >= pcLimit {
-			continue
-		}
-
-		activeBal, err := helpers.TotalActiveBalance(st)
-		if err != nil {
-			return err
-		}
-		churnLimit := helpers.ConsolidationChurnLimit(primitives.Gwei(activeBal))
-		if churnLimit <= primitives.Gwei(params.BeaconConfig().MinActivationBalance) {
-			continue
-		}
-
-		srcIdx, ok := st.ValidatorIndexByPubkey(sourcePubkey)
-		if !ok {
-			continue
-		}
-		tgtIdx, ok := st.ValidatorIndexByPubkey(targetPubkey)
-		if !ok {
-			continue
-		}
-
-		srcV, err := st.ValidatorAtIndex(srcIdx)
-		if err != nil {
-			return fmt.Errorf("failed to fetch source validator: %w", err) // This should never happen.
-		}
-
-		roSrcV, err := state_native.NewValidator(srcV)
-		if err != nil {
-			return err
-		}
-
-		tgtV, err := st.ValidatorAtIndexReadOnly(tgtIdx)
-		if err != nil {
-			return fmt.Errorf("failed to fetch target validator: %w", err) // This should never happen.
-		}
-
-		// Verify source withdrawal credentials.
-		if !roSrcV.HasExecutionWithdrawalCredentials() {
-			continue
-		}
-		// Confirm source_validator.withdrawal_credentials[12:] == consolidation_request.source_address.
-		if len(srcV.WithdrawalCredentials) != 32 || len(cr.SourceAddress) != 20 || !bytes.HasSuffix(srcV.WithdrawalCredentials, cr.SourceAddress) {
-			continue
-		}
-
-		// Target validator must have their withdrawal credentials set appropriately.
-		if !tgtV.HasCompoundingWithdrawalCredentials() {
-			continue
-		}
-
-		// Both validators must be active.
-		if !helpers.IsActiveValidator(srcV, curEpoch) || !helpers.IsActiveValidatorUsingTrie(tgtV, curEpoch) {
-			continue
-		}
-		// Neither validator is exiting.
-		if srcV.ExitEpoch != ffe || tgtV.ExitEpoch() != ffe {
-			continue
-		}
-
-		e, overflow := math.SafeAdd(uint64(srcV.ActivationEpoch), uint64(params.BeaconConfig().ShardCommitteePeriod))
-		if overflow {
-			log.Error("Overflow when adding activation epoch and shard committee period")
-			continue
-		}
-		if uint64(curEpoch) < e {
-			continue
-		}
-
-		hasBal, err := st.HasPendingBalanceToWithdraw(srcIdx)
-		if err != nil {
-			log.WithError(err).Error("Failed to fetch pending balance to withdraw")
-			continue
-		}
-		if hasBal {
-			continue
-		}
-
-		exitEpoch, err := computeConsolidationEpochAndUpdateChurn(st, primitives.Gwei(srcV.EffectiveBalance))
-		if err != nil {
-			log.WithError(err).Error("Failed to compute consolidation epoch")
-			continue
-		}
-		srcV.ExitEpoch = exitEpoch
-		srcV.WithdrawableEpoch = exitEpoch + minValWithdrawDelay
-		if err := st.UpdateValidatorAtIndex(srcIdx, srcV); err != nil {
-			return fmt.Errorf("failed to update validator: %w", err) // This should never happen.
-		}
-
-		if err := st.AppendPendingConsolidation(&eth.PendingConsolidation{SourceIndex: srcIdx, TargetIndex: tgtIdx}); err != nil {
-			return fmt.Errorf("failed to append pending consolidation: %w", err) // This should never happen.
-		}
-	}
-
-	return nil
-}
-
-func isValidSwitchToCompoundingRequest(st state.BeaconState, req *enginev1.ConsolidationRequest) bool {
-	if req.SourcePubkey == nil || req.TargetPubkey == nil {
-		return false
-	}
-
-	if !bytes.Equal(req.SourcePubkey, req.TargetPubkey) {
-		return false
-	}
-
-	srcIdx, ok := st.ValidatorIndexByPubkey(bytesutil.ToBytes48(req.SourcePubkey))
-	if !ok {
-		return false
-	}
-	srcV, err := st.ValidatorAtIndexReadOnly(srcIdx)
-	if err != nil {
-		return false
-	}
-
-	sourceAddress := req.SourceAddress
-	withdrawalCreds := srcV.GetWithdrawalCredentials()
-	if len(withdrawalCreds) != 32 || len(sourceAddress) != 20 || !bytes.HasSuffix(withdrawalCreds, sourceAddress) {
-		return false
-	}
-
-	if !srcV.HasETH1WithdrawalCredentials() {
-		return false
-	}
-
-	curEpoch := slots.ToEpoch(st.Slot())
-	if !helpers.IsActiveValidatorUsingTrie(srcV, curEpoch) {
-		return false
-	}
-
-	if srcV.ExitEpoch() != params.BeaconConfig().FarFutureEpoch {
-		return false
-	}
-
-	return true
-}
-
-func switchToCompoundingValidator(st state.BeaconState, idx primitives.ValidatorIndex) error {
-	v, err := st.ValidatorAtIndex(idx)
-	if err != nil {
-		return err
-	}
-	if len(v.WithdrawalCredentials) == 0 {
-		return errors.New("validator has no withdrawal credentials")
-	}
-
-	v.WithdrawalCredentials[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
-	if err := st.UpdateValidatorAtIndex(idx, v); err != nil {
-		return err
-	}
-	return queueExcessActiveBalance(st, idx)
-}
-
-func queueExcessActiveBalance(st state.BeaconState, idx primitives.ValidatorIndex) error {
-	bal, err := st.BalanceAtIndex(idx)
-	if err != nil {
-		return err
-	}
-
-	if bal > params.BeaconConfig().MinActivationBalance {
-		if err := st.UpdateBalancesAtIndex(idx, params.BeaconConfig().MinActivationBalance); err != nil {
-			return err
-		}
-		excessBalance := bal - params.BeaconConfig().MinActivationBalance
-		val, err := st.ValidatorAtIndexReadOnly(idx)
-		if err != nil {
-			return err
-		}
-		pk := val.PublicKey()
-		return st.AppendPendingDeposit(&eth.PendingDeposit{
-			PublicKey:             pk[:],
-			WithdrawalCredentials: val.GetWithdrawalCredentials(),
-			Amount:                excessBalance,
-			Signature:             common.InfiniteSignature[:],
-			Slot:                  params.BeaconConfig().GenesisSlot,
-		})
-	}
-	return nil
-}
-
-func computeConsolidationEpochAndUpdateChurn(st state.BeaconState, consolidationBalance primitives.Gwei) (primitives.Epoch, error) {
-	earliestEpoch, err := st.EarliestConsolidationEpoch()
-	if err != nil {
-		return 0, err
-	}
-	earliestConsolidationEpoch := max(earliestEpoch, helpers.ActivationExitEpoch(slots.ToEpoch(st.Slot())))
-
-	activeBal, err := helpers.TotalActiveBalance(st)
-	if err != nil {
-		return 0, err
-	}
-	perEpochConsolidationChurn := helpers.ConsolidationChurnLimit(primitives.Gwei(activeBal))
-
-	var consolidationBalanceToConsume primitives.Gwei
-	if earliestEpoch < earliestConsolidationEpoch {
-		consolidationBalanceToConsume = perEpochConsolidationChurn
-	} else {
-		consolidationBalanceToConsume, err = st.ConsolidationBalanceToConsume()
-		if err != nil {
-			return 0, err
-		}
-	}
-
-	if consolidationBalance > consolidationBalanceToConsume {
-		balanceToProcess := consolidationBalance - consolidationBalanceToConsume
-		additionalEpochs, err := prysmMath.Div64(uint64(balanceToProcess-1), uint64(perEpochConsolidationChurn))
-		if err != nil {
-			return 0, err
-		}
-		additionalEpochs++
-		earliestConsolidationEpoch += primitives.Epoch(additionalEpochs)
-		consolidationBalanceToConsume += primitives.Gwei(additionalEpochs) * perEpochConsolidationChurn
-	}
-
-	if err := st.SetConsolidationBalanceToConsume(consolidationBalanceToConsume - consolidationBalance); err != nil {
-		return 0, err
-	}
-	if err := st.SetEarliestConsolidationEpoch(earliestConsolidationEpoch); err != nil {
-		return 0, err
-	}
-
-	return earliestConsolidationEpoch, nil
-}

beacon-chain/core/requests/consolidations_test.go

@@ -1,316 +0,0 @@
-package requests_test
-
-import (
-	"context"
-	"fmt"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/requests"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func createValidatorsWithTotalActiveBalance(totalBal primitives.Gwei) []*eth.Validator {
-	num := totalBal / primitives.Gwei(params.BeaconConfig().MinActivationBalance)
-	vals := make([]*eth.Validator, num)
-	for i := range vals {
-		wd := make([]byte, 32)
-		wd[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
-		wd[31] = byte(i)
-
-		vals[i] = &eth.Validator{
-			ActivationEpoch:       primitives.Epoch(0),
-			EffectiveBalance:      params.BeaconConfig().MinActivationBalance,
-			ExitEpoch:             params.BeaconConfig().FarFutureEpoch,
-			PublicKey:             fmt.Appendf(nil, "val_%d", i),
-			WithdrawableEpoch:     params.BeaconConfig().FarFutureEpoch,
-			WithdrawalCredentials: wd,
-		}
-	}
-	if totalBal%primitives.Gwei(params.BeaconConfig().MinActivationBalance) != 0 {
-		vals = append(vals, &eth.Validator{
-			ActivationEpoch:  primitives.Epoch(0),
-			ExitEpoch:        params.BeaconConfig().FarFutureEpoch,
-			EffectiveBalance: uint64(totalBal) % params.BeaconConfig().MinActivationBalance,
-		})
-	}
-	return vals
-}
-
-func TestProcessConsolidationRequests(t *testing.T) {
-	tests := []struct {
-		name     string
-		state    state.BeaconState
-		reqs     []*enginev1.ConsolidationRequest
-		validate func(*testing.T, state.BeaconState)
-		wantErr  bool
-	}{
-		{
-			name: "nil request",
-			state: func() state.BeaconState {
-				st := &eth.BeaconStateElectra{}
-				s, err := state_native.InitializeFromProtoElectra(st)
-				require.NoError(t, err)
-				return s
-			}(),
-			reqs: []*enginev1.ConsolidationRequest{nil},
-			validate: func(t *testing.T, st state.BeaconState) {
-				require.DeepEqual(t, st, st)
-			},
-			wantErr: true,
-		},
-		{
-			name: "one valid request",
-			state: func() state.BeaconState {
-				st := &eth.BeaconStateElectra{
-					Slot:       params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
-					Validators: createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
-				}
-				// Validator scenario setup. See comments in reqs section.
-				st.Validators[3].WithdrawalCredentials = bytesutil.Bytes32(0)
-				st.Validators[8].WithdrawalCredentials = bytesutil.Bytes32(1)
-				st.Validators[9].ActivationEpoch = params.BeaconConfig().FarFutureEpoch
-				st.Validators[12].ActivationEpoch = params.BeaconConfig().FarFutureEpoch
-				st.Validators[13].ExitEpoch = 10
-				st.Validators[16].ExitEpoch = 10
-				st.PendingPartialWithdrawals = []*eth.PendingPartialWithdrawal{
-					{
-						Index:  17,
-						Amount: 100,
-					},
-				}
-				s, err := state_native.InitializeFromProtoElectra(st)
-				require.NoError(t, err)
-				return s
-			}(),
-			reqs: []*enginev1.ConsolidationRequest{
-				// Source doesn't have withdrawal credentials.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
-					SourcePubkey:  []byte("val_3"),
-					TargetPubkey:  []byte("val_4"),
-				},
-				// Source withdrawal credentials don't match the consolidation address.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)), // Should be 5
-					SourcePubkey:  []byte("val_5"),
-					TargetPubkey:  []byte("val_6"),
-				},
-				// Target does not have their withdrawal credentials set appropriately. (Using eth1 address prefix)
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(7)),
-					SourcePubkey:  []byte("val_7"),
-					TargetPubkey:  []byte("val_8"),
-				},
-				// Source is inactive.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(9)),
-					SourcePubkey:  []byte("val_9"),
-					TargetPubkey:  []byte("val_10"),
-				},
-				// Target is inactive.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(11)),
-					SourcePubkey:  []byte("val_11"),
-					TargetPubkey:  []byte("val_12"),
-				},
-				// Source is exiting.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(13)),
-					SourcePubkey:  []byte("val_13"),
-					TargetPubkey:  []byte("val_14"),
-				},
-				// Target is exiting.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(15)),
-					SourcePubkey:  []byte("val_15"),
-					TargetPubkey:  []byte("val_16"),
-				},
-				// Source doesn't exist
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
-					SourcePubkey:  []byte("INVALID"),
-					TargetPubkey:  []byte("val_0"),
-				},
-				// Target doesn't exist
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
-					SourcePubkey:  []byte("val_0"),
-					TargetPubkey:  []byte("INVALID"),
-				},
-				// Source == target
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
-					SourcePubkey:  []byte("val_0"),
-					TargetPubkey:  []byte("val_0"),
-				},
-				// Has pending partial withdrawal
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
-					SourcePubkey:  []byte("val_17"),
-					TargetPubkey:  []byte("val_1"),
-				},
-				// Valid consolidation request. This should be last to ensure invalid requests do
-				// not end the processing early.
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
-					SourcePubkey:  []byte("val_1"),
-					TargetPubkey:  []byte("val_2"),
-				},
-			},
-			validate: func(t *testing.T, st state.BeaconState) {
-				// Verify a pending consolidation is created.
-				numPC, err := st.NumPendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, uint64(1), numPC)
-				pcs, err := st.PendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, primitives.ValidatorIndex(1), pcs[0].SourceIndex)
-				require.Equal(t, primitives.ValidatorIndex(2), pcs[0].TargetIndex)
-
-				// Verify the source validator is exiting.
-				src, err := st.ValidatorAtIndex(1)
-				require.NoError(t, err)
-				require.NotEqual(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch not updated")
-				require.Equal(t, params.BeaconConfig().MinValidatorWithdrawabilityDelay, src.WithdrawableEpoch-src.ExitEpoch, "source validator withdrawable epoch not set correctly")
-			},
-			wantErr: false,
-		},
-		{
-			name: "pending consolidations limit reached",
-			state: func() state.BeaconState {
-				st := &eth.BeaconStateElectra{
-					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
-					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit),
-				}
-				s, err := state_native.InitializeFromProtoElectra(st)
-				require.NoError(t, err)
-				return s
-			}(),
-			reqs: []*enginev1.ConsolidationRequest{
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
-					SourcePubkey:  []byte("val_1"),
-					TargetPubkey:  []byte("val_2"),
-				},
-			},
-			validate: func(t *testing.T, st state.BeaconState) {
-				// Verify no pending consolidation is created.
-				numPC, err := st.NumPendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
-
-				// Verify the source validator is not exiting.
-				src, err := st.ValidatorAtIndex(1)
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch should not be updated")
-				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.WithdrawableEpoch, "source validator withdrawable epoch should not be updated")
-			},
-			wantErr: false,
-		},
-		{
-			name: "pending consolidations limit reached during processing",
-			state: func() state.BeaconState {
-				st := &eth.BeaconStateElectra{
-					Slot:                  params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
-					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
-					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit-1),
-				}
-				s, err := state_native.InitializeFromProtoElectra(st)
-				require.NoError(t, err)
-				return s
-			}(),
-			reqs: []*enginev1.ConsolidationRequest{
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
-					SourcePubkey:  []byte("val_1"),
-					TargetPubkey:  []byte("val_2"),
-				},
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(3)),
-					SourcePubkey:  []byte("val_3"),
-					TargetPubkey:  []byte("val_4"),
-				},
-			},
-			validate: func(t *testing.T, st state.BeaconState) {
-				// Verify a pending consolidation is created.
-				numPC, err := st.NumPendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
-
-				// The first consolidation was appended.
-				pcs, err := st.PendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, primitives.ValidatorIndex(1), pcs[params.BeaconConfig().PendingConsolidationsLimit-1].SourceIndex)
-				require.Equal(t, primitives.ValidatorIndex(2), pcs[params.BeaconConfig().PendingConsolidationsLimit-1].TargetIndex)
-
-				// Verify the second source validator is not exiting.
-				src, err := st.ValidatorAtIndex(3)
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.ExitEpoch, "source validator exit epoch should not be updated")
-				require.Equal(t, params.BeaconConfig().FarFutureEpoch, src.WithdrawableEpoch, "source validator withdrawable epoch should not be updated")
-			},
-			wantErr: false,
-		},
-		{
-			name: "pending consolidations limit reached and compounded consolidation after",
-			state: func() state.BeaconState {
-				st := &eth.BeaconStateElectra{
-					Slot:                  params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
-					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
-					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit),
-				}
-				// To allow compounding consolidation requests.
-				st.Validators[3].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
-				s, err := state_native.InitializeFromProtoElectra(st)
-				require.NoError(t, err)
-				return s
-			}(),
-			reqs: []*enginev1.ConsolidationRequest{
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(1)),
-					SourcePubkey:  []byte("val_1"),
-					TargetPubkey:  []byte("val_2"),
-				},
-				{
-					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(3)),
-					SourcePubkey:  []byte("val_3"),
-					TargetPubkey:  []byte("val_3"),
-				},
-			},
-			validate: func(t *testing.T, st state.BeaconState) {
-				// Verify a pending consolidation is created.
-				numPC, err := st.NumPendingConsolidations()
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().PendingConsolidationsLimit, numPC)
-
-				// Verify that the last consolidation was included
-				src, err := st.ValidatorAtIndex(3)
-				require.NoError(t, err)
-				require.Equal(t, params.BeaconConfig().CompoundingWithdrawalPrefixByte, src.WithdrawalCredentials[0], "source validator was not compounded")
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			err := requests.ProcessConsolidationRequests(context.TODO(), tt.state, tt.reqs)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("ProcessWithdrawalRequests() error = %v, wantErr %v", err, tt.wantErr)
-				return
-			}
-			if !tt.wantErr {
-				require.NoError(t, err)
-			}
-			if tt.validate != nil {
-				tt.validate(t, tt.state)
-			}
-		})
-	}
-}

beacon-chain/core/requests/deposits.go

@@ -1,73 +0,0 @@
-package requests
-
-import (
-	"context"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/pkg/errors"
-)
-
-// ProcessDepositRequests processes execution layer deposits requests.
-func ProcessDepositRequests(ctx context.Context, beaconState state.BeaconState, reqs []*enginev1.DepositRequest) (state.BeaconState, error) {
-	_, span := trace.StartSpan(ctx, "requests.ProcessDepositRequests")
-	defer span.End()
-
-	if len(reqs) == 0 {
-		return beaconState, nil
-	}
-
-	var err error
-	for _, req := range reqs {
-		beaconState, err = processDepositRequest(beaconState, req)
-		if err != nil {
-			return nil, errors.Wrap(err, "could not apply deposit request")
-		}
-	}
-	return beaconState, nil
-}
-
-// processDepositRequest processes the specific deposit request
-//
-// def process_deposit_request(state: BeaconState, deposit_request: DepositRequest) -> None:
-//
-//	# Set deposit request start index
-//	if state.deposit_requests_start_index == UNSET_DEPOSIT_REQUESTS_START_INDEX:
-//	    state.deposit_requests_start_index = deposit_request.index
-//
-//	# Create pending deposit
-//	state.pending_deposits.append(PendingDeposit(
-//	    pubkey=deposit_request.pubkey,
-//	    withdrawal_credentials=deposit_request.withdrawal_credentials,
-//	    amount=deposit_request.amount,
-//	    signature=deposit_request.signature,
-//	    slot=state.slot,
-//	))
-func processDepositRequest(beaconState state.BeaconState, req *enginev1.DepositRequest) (state.BeaconState, error) {
-	requestsStartIndex, err := beaconState.DepositRequestsStartIndex()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not get deposit requests start index")
-	}
-	if req == nil {
-		return nil, errors.New("nil deposit request")
-	}
-	if requestsStartIndex == params.BeaconConfig().UnsetDepositRequestsStartIndex {
-		if err := beaconState.SetDepositRequestsStartIndex(req.Index); err != nil {
-			return nil, errors.Wrap(err, "could not set deposit requests start index")
-		}
-	}
-	if err := beaconState.AppendPendingDeposit(&ethpb.PendingDeposit{
-		PublicKey:             bytesutil.SafeCopyBytes(req.Pubkey),
-		WithdrawalCredentials: bytesutil.SafeCopyBytes(req.WithdrawalCredentials),
-		Amount:                req.Amount,
-		Signature:             bytesutil.SafeCopyBytes(req.Signature),
-		Slot:                  beaconState.Slot(),
-	}); err != nil {
-		return nil, errors.Wrap(err, "could not append deposit request")
-	}
-	return beaconState, nil
-}

beacon-chain/core/requests/deposits_test.go

@@ -1,70 +0,0 @@
-package requests_test
-
-import (
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/requests"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
-)
-
-func TestProcessDepositRequests(t *testing.T) {
-	st, _ := util.DeterministicGenesisStateElectra(t, 1)
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	require.NoError(t, st.SetDepositRequestsStartIndex(1))
-
-	t.Run("empty requests continues", func(t *testing.T) {
-		newSt, err := requests.ProcessDepositRequests(t.Context(), st, []*enginev1.DepositRequest{})
-		require.NoError(t, err)
-		require.DeepEqual(t, newSt, st)
-	})
-	t.Run("nil request errors", func(t *testing.T) {
-		_, err = requests.ProcessDepositRequests(t.Context(), st, []*enginev1.DepositRequest{nil})
-		require.ErrorContains(t, "nil deposit request", err)
-	})
-
-	vals := st.Validators()
-	vals[0].PublicKey = sk.PublicKey().Marshal()
-	vals[0].WithdrawalCredentials[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
-	require.NoError(t, st.SetValidators(vals))
-	bals := st.Balances()
-	bals[0] = params.BeaconConfig().MinActivationBalance + 2000
-	require.NoError(t, st.SetBalances(bals))
-	require.NoError(t, st.SetPendingDeposits(make([]*eth.PendingDeposit, 0))) // reset pbd as the deterministic state populates this already
-	withdrawalCred := make([]byte, 32)
-	withdrawalCred[0] = params.BeaconConfig().CompoundingWithdrawalPrefixByte
-	depositMessage := &eth.DepositMessage{
-		PublicKey:             sk.PublicKey().Marshal(),
-		Amount:                1000,
-		WithdrawalCredentials: withdrawalCred,
-	}
-	domain, err := signing.ComputeDomain(params.BeaconConfig().DomainDeposit, nil, nil)
-	require.NoError(t, err)
-	sr, err := signing.ComputeSigningRoot(depositMessage, domain)
-	require.NoError(t, err)
-	sig := sk.Sign(sr[:])
-	reqs := []*enginev1.DepositRequest{
-		{
-			Pubkey:                depositMessage.PublicKey,
-			Index:                 0,
-			WithdrawalCredentials: depositMessage.WithdrawalCredentials,
-			Amount:                depositMessage.Amount,
-			Signature:             sig.Marshal(),
-		},
-	}
-	st, err = requests.ProcessDepositRequests(t.Context(), st, reqs)
-	require.NoError(t, err)
-
-	pbd, err := st.PendingDeposits()
-	require.NoError(t, err)
-	require.Equal(t, 1, len(pbd))
-	require.Equal(t, uint64(1000), pbd[0].Amount)
-	require.DeepEqual(t, bytesutil.SafeCopyBytes(reqs[0].Pubkey), pbd[0].PublicKey)
-}

beacon-chain/core/requests/log.go

@@ -1,9 +0,0 @@
-// Code generated by hack/gen-logs.sh; DO NOT EDIT.
-// This file is created and regenerated automatically. Anything added here might get removed.
-package requests
-
-import "github.com/sirupsen/logrus"
-
-// The prefix for logs from this package will be the text after the last slash in the package path.
-// If you wish to change this, you should add your desired name in the runtime/logging/logrus-prefixed-formatter/prefix-replacement.go file.
-var log = logrus.WithField("package", "beacon-chain/core/requests")

beacon-chain/core/transition/BUILD.bazel

@@ -27,7 +27,6 @@ go_library(
         "//beacon-chain/core/execution:go_default_library",
         "//beacon-chain/core/fulu:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
-        "//beacon-chain/core/requests:go_default_library",
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/core/transition/interop:go_default_library",
         "//beacon-chain/core/validators:go_default_library",
@@ -72,7 +71,6 @@ go_test(
         "state_test.go",
         "trailing_slot_state_cache_test.go",
         "transition_fuzz_test.go",
-        "transition_gloas_test.go",
         "transition_no_verify_sig_test.go",
         "transition_test.go",
     ],
@@ -108,7 +106,6 @@ go_test(
         "//time/slots:go_default_library",
         "@com_github_google_gofuzz//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
-        "@com_github_stretchr_testify//require:go_default_library",
         "@org_golang_google_protobuf//proto:go_default_library",
     ],
 )

beacon-chain/core/transition/electra.go

@@ -6,7 +6,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/electra"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	coreRequests "github.com/OffchainLabs/prysm/v7/beacon-chain/core/requests"
 	v "github.com/OffchainLabs/prysm/v7/beacon-chain/core/validators"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
@@ -98,7 +97,7 @@ func electraOperations(ctx context.Context, st state.BeaconState, block interfac
 			return nil, electra.NewExecReqError("nil deposit request")
 		}
 	}
-	st, err = coreRequests.ProcessDepositRequests(ctx, st, requests.Deposits)
+	st, err = electra.ProcessDepositRequests(ctx, st, requests.Deposits)
 	if err != nil {
 		return nil, electra.NewExecReqError(errors.Wrap(err, "could not process deposit requests").Error())
 	}
@@ -108,7 +107,7 @@ func electraOperations(ctx context.Context, st state.BeaconState, block interfac
 			return nil, electra.NewExecReqError("nil withdrawal request")
 		}
 	}
-	st, err = coreRequests.ProcessWithdrawalRequests(ctx, st, requests.Withdrawals)
+	st, err = electra.ProcessWithdrawalRequests(ctx, st, requests.Withdrawals)
 	if err != nil {
 		return nil, electra.NewExecReqError(errors.Wrap(err, "could not process withdrawal requests").Error())
 	}
@@ -117,7 +116,7 @@ func electraOperations(ctx context.Context, st state.BeaconState, block interfac
 			return nil, electra.NewExecReqError("nil consolidation request")
 		}
 	}
-	if err := coreRequests.ProcessConsolidationRequests(ctx, st, requests.Consolidations); err != nil {
+	if err := electra.ProcessConsolidationRequests(ctx, st, requests.Consolidations); err != nil {
 		return nil, electra.NewExecReqError(errors.Wrap(err, "could not process consolidation requests").Error())
 	}
 	return st, nil

beacon-chain/core/transition/transition.go

@@ -142,18 +142,6 @@ func ProcessSlot(ctx context.Context, state state.BeaconState) (state.BeaconStat
 	); err != nil {
 		return nil, err
 	}
-
-	// Spec v1.6.1 (pseudocode):
-	// # [New in Gloas:EIP7732]
-	// # Unset the next payload availability
-	// state.execution_payload_availability[(state.slot + 1) % SLOTS_PER_HISTORICAL_ROOT] = 0b0
-	if state.Version() >= version.Gloas {
-		index := uint64((state.Slot() + 1) % params.BeaconConfig().SlotsPerHistoricalRoot)
-		if err := state.UpdateExecutionPayloadAvailabilityAtIndex(index, 0x0); err != nil {
-			return nil, err
-		}
-	}
-
 	return state, nil
 }
 

beacon-chain/core/transition/transition_gloas_test.go

@@ -1,141 +0,0 @@
-package transition
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/stretchr/testify/require"
-)
-
-func TestProcessSlot_GloasClearsNextPayloadAvailability(t *testing.T) {
-	slot := primitives.Slot(10)
-	cfg := params.BeaconConfig()
-	nextIdx := uint64((slot + 1) % cfg.SlotsPerHistoricalRoot)
-	byteIdx := nextIdx / 8
-	bitMask := byte(1 << (nextIdx % 8))
-	availability := bytes.Repeat([]byte{0xFF}, int(cfg.SlotsPerHistoricalRoot/8))
-	st := newGloasState(t, slot, availability)
-
-	_, err := ProcessSlot(context.Background(), st)
-	require.NoError(t, err)
-
-	post := st.ToProto().(*ethpb.BeaconStateGloas)
-	require.Equal(t, byte(0xFF)&^bitMask, post.ExecutionPayloadAvailability[byteIdx])
-}
-
-func TestProcessSlot_GloasClearsNextPayloadAvailability_Wrap(t *testing.T) {
-	cfg := params.BeaconConfig()
-	slot := primitives.Slot(cfg.SlotsPerHistoricalRoot - 1)
-	availability := bytes.Repeat([]byte{0xFF}, int(cfg.SlotsPerHistoricalRoot/8))
-	st := newGloasState(t, slot, availability)
-
-	_, err := ProcessSlot(context.Background(), st)
-	require.NoError(t, err)
-
-	post := st.ToProto().(*ethpb.BeaconStateGloas)
-	require.Equal(t, byte(0xFE), post.ExecutionPayloadAvailability[0])
-}
-
-func TestProcessSlot_GloasAvailabilityUpdateError(t *testing.T) {
-	slot := primitives.Slot(7)
-	availability := make([]byte, 1)
-	st := newGloasState(t, slot, availability)
-
-	_, err := ProcessSlot(context.Background(), st)
-	cfg := params.BeaconConfig()
-	idx := uint64((slot + 1) % cfg.SlotsPerHistoricalRoot)
-	byteIdx := idx / 8
-	require.EqualError(t, err, fmt.Sprintf(
-		"bit index %d (byte index %d) out of range for execution payload availability length %d",
-		idx, byteIdx, len(availability),
-	))
-}
-
-func newGloasState(t *testing.T, slot primitives.Slot, availability []byte) state.BeaconState {
-	t.Helper()
-
-	cfg := params.BeaconConfig()
-	protoState := &ethpb.BeaconStateGloas{
-		Slot:                         slot,
-		LatestBlockHeader:            testBeaconBlockHeader(),
-		BlockRoots:                   make([][]byte, cfg.SlotsPerHistoricalRoot),
-		StateRoots:                   make([][]byte, cfg.SlotsPerHistoricalRoot),
-		RandaoMixes:                  make([][]byte, fieldparams.RandaoMixesLength),
-		ExecutionPayloadAvailability: availability,
-		BuilderPendingPayments:       make([]*ethpb.BuilderPendingPayment, int(cfg.SlotsPerEpoch*2)),
-		LatestExecutionPayloadBid: &ethpb.ExecutionPayloadBid{
-			ParentBlockHash:        make([]byte, 32),
-			ParentBlockRoot:        make([]byte, 32),
-			BlockHash:              make([]byte, 32),
-			PrevRandao:             make([]byte, 32),
-			FeeRecipient:           make([]byte, 20),
-			BlobKzgCommitmentsRoot: make([]byte, 32),
-		},
-		Eth1Data: &ethpb.Eth1Data{
-			DepositRoot: make([]byte, 32),
-			BlockHash:   make([]byte, 32),
-		},
-		PreviousEpochParticipation:  []byte{},
-		CurrentEpochParticipation:   []byte{},
-		JustificationBits:           []byte{0},
-		PreviousJustifiedCheckpoint: &ethpb.Checkpoint{Root: make([]byte, 32)},
-		CurrentJustifiedCheckpoint:  &ethpb.Checkpoint{Root: make([]byte, 32)},
-		FinalizedCheckpoint:         &ethpb.Checkpoint{Root: make([]byte, 32)},
-		CurrentSyncCommittee:        &ethpb.SyncCommittee{},
-		NextSyncCommittee:           &ethpb.SyncCommittee{},
-	}
-
-	for i := range protoState.BlockRoots {
-		protoState.BlockRoots[i] = make([]byte, 32)
-	}
-	for i := range protoState.StateRoots {
-		protoState.StateRoots[i] = make([]byte, 32)
-	}
-	for i := range protoState.RandaoMixes {
-		protoState.RandaoMixes[i] = make([]byte, 32)
-	}
-
-	for i := range protoState.BuilderPendingPayments {
-		protoState.BuilderPendingPayments[i] = &ethpb.BuilderPendingPayment{
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				FeeRecipient: make([]byte, 20),
-			},
-		}
-	}
-
-	pubkeys := make([][]byte, cfg.SyncCommitteeSize)
-	for i := range pubkeys {
-		pubkeys[i] = make([]byte, fieldparams.BLSPubkeyLength)
-	}
-	aggPubkey := make([]byte, fieldparams.BLSPubkeyLength)
-	protoState.CurrentSyncCommittee = &ethpb.SyncCommittee{
-		Pubkeys:         pubkeys,
-		AggregatePubkey: aggPubkey,
-	}
-	protoState.NextSyncCommittee = &ethpb.SyncCommittee{
-		Pubkeys:         pubkeys,
-		AggregatePubkey: aggPubkey,
-	}
-
-	st, err := state_native.InitializeFromProtoGloas(protoState)
-	require.NoError(t, err)
-	require.Equal(t, version.Gloas, st.Version())
-	return st
-}
-
-func testBeaconBlockHeader() *ethpb.BeaconBlockHeader {
-	return &ethpb.BeaconBlockHeader{
-		ParentRoot: make([]byte, 32),
-		StateRoot:  make([]byte, 32),
-		BodyRoot:   make([]byte, 32),
-	}
-}

beacon-chain/db/filesystem/data_column.go

@@ -512,11 +512,6 @@ func (dcs *DataColumnStorage) Get(root [fieldparams.RootLength]byte, indices []u
 	if err != nil {
 		return nil, errors.Wrap(err, "data column sidecars file path open")
 	}
-	defer func() {
-		if closeErr := file.Close(); closeErr != nil {
-			log.WithError(closeErr).WithField("file", filePath).Error("Error closing file during Get")
-		}
-	}()
 
 	// Read file metadata.
 	metadata, err := dcs.metadata(file)

beacon-chain/db/iface/interface.go

@@ -66,10 +66,6 @@ type ReadOnlyDatabase interface {
 	OriginCheckpointBlockRoot(ctx context.Context) ([32]byte, error)
 	BackfillStatus(context.Context) (*dbval.BackfillStatus, error)
 
-	// Execution payload envelope operations (Gloas+).
-	ExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) (*ethpb.SignedBlindedExecutionPayloadEnvelope, error)
-	HasExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) bool
-
 	// P2P Metadata operations.
 	MetadataSeqNum(ctx context.Context) (uint64, error)
 }
@@ -119,10 +115,6 @@ type NoHeadAccessDatabase interface {
 	SaveLightClientUpdate(ctx context.Context, period uint64, update interfaces.LightClientUpdate) error
 	SaveLightClientBootstrap(ctx context.Context, blockRoot []byte, bootstrap interfaces.LightClientBootstrap) error
 
-	// Execution payload envelope operations (Gloas+).
-	SaveExecutionPayloadEnvelope(ctx context.Context, envelope *ethpb.SignedExecutionPayloadEnvelope) error
-	DeleteExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) error
-
 	CleanUpDirtyStates(ctx context.Context, slotsPerArchivedPoint primitives.Slot) error
 	DeleteHistoricalDataBeforeSlot(ctx context.Context, slot primitives.Slot, batchSize int) (int, error)
 

beacon-chain/db/kv/BUILD.bazel

@@ -13,7 +13,6 @@ go_library(
         "encoding.go",
         "error.go",
         "execution_chain.go",
-        "execution_payload_envelope.go",
         "finalized_block_roots.go",
         "genesis.go",
         "key.go",
@@ -97,7 +96,6 @@ go_test(
         "deposit_contract_test.go",
         "encoding_test.go",
         "execution_chain_test.go",
-        "execution_payload_envelope_test.go",
         "finalized_block_roots_test.go",
         "genesis_test.go",
         "init_test.go",

beacon-chain/db/kv/blocks.go

@@ -517,10 +517,6 @@ func (s *Store) DeleteHistoricalDataBeforeSlot(ctx context.Context, cutoffSlot p
 				return errors.Wrap(err, "could not delete validators")
 			}
 
-			// TODO: execution payload envelopes (Gloas+) are keyed by execution payload
-			// block hash, not beacon block root, so they cannot be pruned in this loop.
-			// A separate pruning mechanism is needed (e.g. secondary index or cursor scan).
-
 			numSlotsDeleted++
 		}
 
@@ -1251,12 +1247,6 @@ func unmarshalBlock(_ context.Context, enc []byte) (interfaces.ReadOnlySignedBea
 		if err := rawBlock.UnmarshalSSZ(enc[len(fuluBlindKey):]); err != nil {
 			return nil, errors.Wrap(err, "could not unmarshal blinded Fulu block")
 		}
-	case hasGloasKey(enc):
-		// post Gloas we save the full beacon block as EIP-7732 separates beacon block and payload
-		rawBlock = &ethpb.SignedBeaconBlockGloas{}
-		if err := rawBlock.UnmarshalSSZ(enc[len(gloasKey):]); err != nil {
-			return nil, errors.Wrap(err, "could not unmarshal Gloas block")
-		}
 	default:
 		// Marshal block bytes to phase 0 beacon block.
 		rawBlock = &ethpb.SignedBeaconBlock{}
@@ -1287,11 +1277,6 @@ func encodeBlock(blk interfaces.ReadOnlySignedBeaconBlock) ([]byte, error) {
 func keyForBlock(blk interfaces.ReadOnlySignedBeaconBlock) ([]byte, error) {
 	v := blk.Version()
 
-	if v >= version.Gloas {
-		// Gloas blocks are never blinded (no execution payload in block body).
-		return gloasKey, nil
-	}
-
 	if v >= version.Fulu {
 		if blk.IsBlinded() {
 			return fuluBlindKey, nil

beacon-chain/db/kv/blocks_test.go

@@ -151,17 +151,6 @@ var blockTests = []struct {
 			}
 			return blocks.NewSignedBeaconBlock(b)
 		}},
-	{
-		name: "gloas",
-		newBlock: func(slot primitives.Slot, root []byte) (interfaces.ReadOnlySignedBeaconBlock, error) {
-			b := util.NewBeaconBlockGloas()
-			b.Block.Slot = slot
-			if root != nil {
-				b.Block.ParentRoot = root
-			}
-			return blocks.NewSignedBeaconBlock(b)
-		},
-	},
 }
 
 func TestStore_SaveBlock_NoDuplicates(t *testing.T) {
@@ -222,7 +211,7 @@ func TestStore_BlocksCRUD(t *testing.T) {
 			retrievedBlock, err = db.Block(ctx, blockRoot)
 			require.NoError(t, err)
 			wanted := retrievedBlock
-			if retrievedBlock.Version() >= version.Bellatrix && retrievedBlock.Version() < version.Gloas {
+			if retrievedBlock.Version() >= version.Bellatrix {
 				wanted, err = retrievedBlock.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -654,7 +643,7 @@ func TestStore_BlocksCRUD_NoCache(t *testing.T) {
 			require.NoError(t, err)
 
 			wanted := blk
-			if blk.Version() >= version.Bellatrix && blk.Version() < version.Gloas {
+			if blk.Version() >= version.Bellatrix {
 				wanted, err = blk.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1025,7 +1014,7 @@ func TestStore_SaveBlock_CanGetHighestAt(t *testing.T) {
 			b, err := db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted := block1
-			if block1.Version() >= version.Bellatrix && block1.Version() < version.Gloas {
+			if block1.Version() >= version.Bellatrix {
 				wanted, err = wanted.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1043,7 +1032,7 @@ func TestStore_SaveBlock_CanGetHighestAt(t *testing.T) {
 			b, err = db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted2 := block2
-			if block2.Version() >= version.Bellatrix && block2.Version() < version.Gloas {
+			if block2.Version() >= version.Bellatrix {
 				wanted2, err = block2.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1061,7 +1050,7 @@ func TestStore_SaveBlock_CanGetHighestAt(t *testing.T) {
 			b, err = db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted = block3
-			if block3.Version() >= version.Bellatrix && block3.Version() < version.Gloas {
+			if block3.Version() >= version.Bellatrix {
 				wanted, err = wanted.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1097,7 +1086,7 @@ func TestStore_GenesisBlock_CanGetHighestAt(t *testing.T) {
 			b, err := db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted := block1
-			if block1.Version() >= version.Bellatrix && block1.Version() < version.Gloas {
+			if block1.Version() >= version.Bellatrix {
 				wanted, err = block1.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1114,7 +1103,7 @@ func TestStore_GenesisBlock_CanGetHighestAt(t *testing.T) {
 			b, err = db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted = genesisBlock
-			if genesisBlock.Version() >= version.Bellatrix && genesisBlock.Version() < version.Gloas {
+			if genesisBlock.Version() >= version.Bellatrix {
 				wanted, err = genesisBlock.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1131,7 +1120,7 @@ func TestStore_GenesisBlock_CanGetHighestAt(t *testing.T) {
 			b, err = db.Block(ctx, root)
 			require.NoError(t, err)
 			wanted = genesisBlock
-			if genesisBlock.Version() >= version.Bellatrix && genesisBlock.Version() < version.Gloas {
+			if genesisBlock.Version() >= version.Bellatrix {
 				wanted, err = genesisBlock.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1227,7 +1216,7 @@ func TestStore_BlocksBySlot_BlockRootsBySlot(t *testing.T) {
 			require.NoError(t, err)
 
 			wanted := b1
-			if b1.Version() >= version.Bellatrix && b1.Version() < version.Gloas {
+			if b1.Version() >= version.Bellatrix {
 				wanted, err = b1.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1243,7 +1232,7 @@ func TestStore_BlocksBySlot_BlockRootsBySlot(t *testing.T) {
 				t.Fatalf("Expected 2 blocks, received %d blocks", len(retrievedBlocks))
 			}
 			wanted = b2
-			if b2.Version() >= version.Bellatrix && b2.Version() < version.Gloas {
+			if b2.Version() >= version.Bellatrix {
 				wanted, err = b2.ToBlinded()
 				require.NoError(t, err)
 			}
@@ -1253,7 +1242,7 @@ func TestStore_BlocksBySlot_BlockRootsBySlot(t *testing.T) {
 			require.NoError(t, err)
 			assert.Equal(t, true, proto.Equal(wantedPb, retrieved0Pb), "Wanted: %v, received: %v", retrievedBlocks[0], wanted)
 			wanted = b3
-			if b3.Version() >= version.Bellatrix && b3.Version() < version.Gloas {
+			if b3.Version() >= version.Bellatrix {
 				wanted, err = b3.ToBlinded()
 				require.NoError(t, err)
 			}

beacon-chain/db/kv/error.go

@@ -22,10 +22,6 @@ var ErrNotFoundFeeRecipient = errors.Wrap(ErrNotFound, "fee recipient")
 // ErrNotFoundMetadataSeqNum is a not found error specifically for the metadata sequence number getter
 var ErrNotFoundMetadataSeqNum = errors.Wrap(ErrNotFound, "metadata sequence number")
 
-// ErrStateDiffIncompatible is returned when state-diff feature is enabled
-// but the database was created without state-diff support.
-var ErrStateDiffIncompatible = errors.New("state-diff feature enabled but database was created without state-diff support")
-
 var errEmptyBlockSlice = errors.New("[]blocks.ROBlock is empty")
 var errIncorrectBlockParent = errors.New("unexpected missing or forked blocks in a []ROBlock")
 var errFinalizedChildNotFound = errors.New("unable to find finalized root descending from backfill batch")

beacon-chain/db/kv/execution_payload_envelope.go

@@ -1,128 +0,0 @@
-package kv
-
-import (
-	"context"
-
-	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/golang/snappy"
-	"github.com/pkg/errors"
-	bolt "go.etcd.io/bbolt"
-)
-
-// SaveExecutionPayloadEnvelope blinds and saves a signed execution payload envelope.
-// The envelope is always stored in blinded form (payload replaced with its hash tree root).
-// The key is the execution payload's BlockHash extracted from the envelope.
-func (s *Store) SaveExecutionPayloadEnvelope(ctx context.Context, env *ethpb.SignedExecutionPayloadEnvelope) error {
-	_, span := trace.StartSpan(ctx, "BeaconDB.SaveExecutionPayloadEnvelope")
-	defer span.End()
-
-	if env == nil || env.Message == nil || env.Message.Payload == nil {
-		return errors.New("cannot save nil execution payload envelope")
-	}
-
-	blockHash := env.Message.Payload.BlockHash
-	blinded, err := blindEnvelope(env)
-	if err != nil {
-		return err
-	}
-
-	enc, err := encodeBlindedEnvelope(blinded)
-	if err != nil {
-		return err
-	}
-
-	return s.db.Update(func(tx *bolt.Tx) error {
-		bkt := tx.Bucket(executionPayloadEnvelopesBucket)
-		return bkt.Put(blockHash, enc)
-	})
-}
-
-// ExecutionPayloadEnvelope retrieves the blinded signed execution payload envelope by block hash.
-func (s *Store) ExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) (*ethpb.SignedBlindedExecutionPayloadEnvelope, error) {
-	_, span := trace.StartSpan(ctx, "BeaconDB.ExecutionPayloadEnvelope")
-	defer span.End()
-
-	var enc []byte
-	if err := s.db.View(func(tx *bolt.Tx) error {
-		bkt := tx.Bucket(executionPayloadEnvelopesBucket)
-		enc = bkt.Get(blockHash[:])
-		return nil
-	}); err != nil {
-		return nil, err
-	}
-	if enc == nil {
-		return nil, errors.Wrap(ErrNotFound, "execution payload envelope not found")
-	}
-	return decodeBlindedEnvelope(enc)
-}
-
-// HasExecutionPayloadEnvelope checks whether an execution payload envelope exists for the given block hash.
-func (s *Store) HasExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) bool {
-	_, span := trace.StartSpan(ctx, "BeaconDB.HasExecutionPayloadEnvelope")
-	defer span.End()
-
-	var exists bool
-	if err := s.db.View(func(tx *bolt.Tx) error {
-		bkt := tx.Bucket(executionPayloadEnvelopesBucket)
-		exists = bkt.Get(blockHash[:]) != nil
-		return nil
-	}); err != nil {
-		return false
-	}
-	return exists
-}
-
-// DeleteExecutionPayloadEnvelope removes a signed execution payload envelope by block hash.
-func (s *Store) DeleteExecutionPayloadEnvelope(ctx context.Context, blockHash [32]byte) error {
-	_, span := trace.StartSpan(ctx, "BeaconDB.DeleteExecutionPayloadEnvelope")
-	defer span.End()
-
-	return s.db.Update(func(tx *bolt.Tx) error {
-		bkt := tx.Bucket(executionPayloadEnvelopesBucket)
-		return bkt.Delete(blockHash[:])
-	})
-}
-
-// blindEnvelope converts a full signed envelope to its blinded form by replacing
-// the execution payload with its hash tree root.
-func blindEnvelope(env *ethpb.SignedExecutionPayloadEnvelope) (*ethpb.SignedBlindedExecutionPayloadEnvelope, error) {
-	payloadRoot, err := env.Message.Payload.HashTreeRoot()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not compute payload hash tree root")
-	}
-	return &ethpb.SignedBlindedExecutionPayloadEnvelope{
-		Message: &ethpb.BlindedExecutionPayloadEnvelope{
-			PayloadRoot:        payloadRoot[:],
-			ExecutionRequests:  env.Message.ExecutionRequests,
-			BuilderIndex:       env.Message.BuilderIndex,
-			BeaconBlockRoot:    env.Message.BeaconBlockRoot,
-			Slot:               env.Message.Slot,
-			BlobKzgCommitments: env.Message.BlobKzgCommitments,
-			StateRoot:          env.Message.StateRoot,
-		},
-		Signature: env.Signature,
-	}, nil
-}
-
-// encodeBlindedEnvelope SSZ-encodes and snappy-compresses a blinded envelope for storage.
-func encodeBlindedEnvelope(env *ethpb.SignedBlindedExecutionPayloadEnvelope) ([]byte, error) {
-	sszBytes, err := env.MarshalSSZ()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not marshal blinded envelope")
-	}
-	return snappy.Encode(nil, sszBytes), nil
-}
-
-// decodeBlindedEnvelope snappy-decompresses and SSZ-decodes a blinded envelope from storage.
-func decodeBlindedEnvelope(enc []byte) (*ethpb.SignedBlindedExecutionPayloadEnvelope, error) {
-	dec, err := snappy.Decode(nil, enc)
-	if err != nil {
-		return nil, errors.Wrap(err, "could not snappy decode envelope")
-	}
-	blinded := &ethpb.SignedBlindedExecutionPayloadEnvelope{}
-	if err := blinded.UnmarshalSSZ(dec); err != nil {
-		return nil, errors.Wrap(err, "could not unmarshal blinded envelope")
-	}
-	return blinded, nil
-}

beacon-chain/db/kv/execution_payload_envelope_test.go

@@ -1,129 +0,0 @@
-package kv
-
-import (
-	"context"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func testEnvelope(t *testing.T) *ethpb.SignedExecutionPayloadEnvelope {
-	t.Helper()
-	return &ethpb.SignedExecutionPayloadEnvelope{
-		Message: &ethpb.ExecutionPayloadEnvelope{
-			Payload: &enginev1.ExecutionPayloadDeneb{
-				ParentHash:    bytesutil.PadTo([]byte("parent"), 32),
-				FeeRecipient:  bytesutil.PadTo([]byte("fee"), 20),
-				StateRoot:     bytesutil.PadTo([]byte("stateroot"), 32),
-				ReceiptsRoot:  bytesutil.PadTo([]byte("receipts"), 32),
-				LogsBloom:     bytesutil.PadTo([]byte{}, 256),
-				PrevRandao:    bytesutil.PadTo([]byte("randao"), 32),
-				BlockNumber:   100,
-				GasLimit:      30000000,
-				GasUsed:       21000,
-				Timestamp:     1000,
-				ExtraData:     []byte("extra"),
-				BaseFeePerGas: bytesutil.PadTo([]byte{1}, 32),
-				BlockHash:     bytesutil.PadTo([]byte("blockhash"), 32),
-				Transactions:  [][]byte{[]byte("tx1"), []byte("tx2")},
-				Withdrawals:   []*enginev1.Withdrawal{{Index: 1, ValidatorIndex: 2, Address: bytesutil.PadTo([]byte("addr"), 20), Amount: 100}},
-				BlobGasUsed:   131072,
-				ExcessBlobGas: 0,
-			},
-			ExecutionRequests: &enginev1.ExecutionRequests{},
-			BuilderIndex:      primitives.BuilderIndex(42),
-			BeaconBlockRoot:   bytesutil.PadTo([]byte("beaconroot"), 32),
-			Slot:              primitives.Slot(99),
-			BlobKzgCommitments: [][]byte{
-				bytesutil.PadTo([]byte("commitment1"), 48),
-			},
-			StateRoot: bytesutil.PadTo([]byte("envelopestateroot"), 32),
-		},
-		Signature: bytesutil.PadTo([]byte("sig"), 96),
-	}
-}
-
-func TestStore_SaveAndRetrieveExecutionPayloadEnvelope(t *testing.T) {
-	db := setupDB(t)
-	ctx := context.Background()
-	env := testEnvelope(t)
-
-	// Use the block hash as lookup key (matches what save extracts internally).
-	blockHash := bytesutil.ToBytes32(env.Message.Payload.BlockHash)
-
-	// Initially should not exist.
-	assert.Equal(t, false, db.HasExecutionPayloadEnvelope(ctx, blockHash))
-
-	// Save (always blinds internally).
-	require.NoError(t, db.SaveExecutionPayloadEnvelope(ctx, env))
-
-	// Should exist now.
-	assert.Equal(t, true, db.HasExecutionPayloadEnvelope(ctx, blockHash))
-
-	// Load and verify it's always blinded.
-	loaded, err := db.ExecutionPayloadEnvelope(ctx, blockHash)
-	require.NoError(t, err)
-
-	// Verify metadata is preserved.
-	assert.Equal(t, env.Message.Slot, loaded.Message.Slot)
-	assert.Equal(t, env.Message.BuilderIndex, loaded.Message.BuilderIndex)
-	assert.DeepEqual(t, env.Message.BeaconBlockRoot, loaded.Message.BeaconBlockRoot)
-	assert.DeepEqual(t, env.Message.StateRoot, loaded.Message.StateRoot)
-	assert.DeepEqual(t, env.Signature, loaded.Signature)
-
-	// PayloadRoot should be 32 bytes (the hash tree root of the full payload).
-	assert.Equal(t, 32, len(loaded.Message.PayloadRoot))
-	assert.Equal(t, false, bytesutil.ToBytes32(loaded.Message.PayloadRoot) == [32]byte{})
-}
-
-func TestStore_DeleteExecutionPayloadEnvelope(t *testing.T) {
-	db := setupDB(t)
-	ctx := context.Background()
-	env := testEnvelope(t)
-	blockHash := bytesutil.ToBytes32(env.Message.Payload.BlockHash)
-
-	require.NoError(t, db.SaveExecutionPayloadEnvelope(ctx, env))
-	assert.Equal(t, true, db.HasExecutionPayloadEnvelope(ctx, blockHash))
-
-	require.NoError(t, db.DeleteExecutionPayloadEnvelope(ctx, blockHash))
-	assert.Equal(t, false, db.HasExecutionPayloadEnvelope(ctx, blockHash))
-}
-
-func TestStore_ExecutionPayloadEnvelope_NotFound(t *testing.T) {
-	db := setupDB(t)
-	ctx := context.Background()
-	nonExistent := bytesutil.ToBytes32([]byte("nonexistent"))
-
-	_, err := db.ExecutionPayloadEnvelope(ctx, nonExistent)
-	require.ErrorContains(t, "not found", err)
-}
-
-func TestStore_SaveExecutionPayloadEnvelope_NilRejected(t *testing.T) {
-	db := setupDB(t)
-	ctx := context.Background()
-
-	err := db.SaveExecutionPayloadEnvelope(ctx, nil)
-	require.ErrorContains(t, "nil", err)
-}
-
-func TestBlindEnvelope_PreservesPayloadRoot(t *testing.T) {
-	env := testEnvelope(t)
-
-	blinded, err := blindEnvelope(env)
-	require.NoError(t, err)
-
-	// Compute expected payload root.
-	expectedRoot, err := env.Message.Payload.HashTreeRoot()
-	require.NoError(t, err)
-
-	assert.DeepEqual(t, expectedRoot[:], blinded.Message.PayloadRoot)
-	assert.Equal(t, env.Message.BuilderIndex, blinded.Message.BuilderIndex)
-	assert.Equal(t, env.Message.Slot, blinded.Message.Slot)
-	assert.DeepEqual(t, env.Message.BeaconBlockRoot, blinded.Message.BeaconBlockRoot)
-	assert.DeepEqual(t, env.Signature, blinded.Signature)
-}

beacon-chain/db/kv/genesis.go

@@ -42,10 +42,6 @@ func (s *Store) SaveGenesisData(ctx context.Context, genesisState state.BeaconSt
 	if err := s.SaveGenesisBlockRoot(ctx, genesisBlkRoot); err != nil {
 		return errors.Wrap(err, "could not save genesis block root")
 	}
-
-	if err := s.initializeStateDiff(0, genesisState); err != nil {
-		return errors.Wrap(err, "failed to initialize state diff for genesis")
-	}
 	return nil
 }
 

beacon-chain/db/kv/key.go

@@ -87,10 +87,3 @@ func hasFuluBlindKey(enc []byte) bool {
 	}
 	return bytes.Equal(enc[:len(fuluBlindKey)], fuluBlindKey)
 }
-
-func hasGloasKey(enc []byte) bool {
-	if len(gloasKey) >= len(enc) {
-		return false
-	}
-	return bytes.Equal(enc[:len(gloasKey)], gloasKey)
-}

beacon-chain/db/kv/kv.go

@@ -126,7 +126,6 @@ var Buckets = [][]byte{
 	feeRecipientBucket,
 	registrationBucket,
 	custodyBucket,
-	executionPayloadEnvelopesBucket,
 }
 
 // KVStoreOption is a functional option that modifies a kv.Store.
@@ -204,47 +203,17 @@ func NewKVStore(ctx context.Context, dirPath string, opts ...KVStoreOption) (*St
 		return nil, err
 	}
 
-	if err := kv.startStateDiff(ctx); err != nil {
-		if errors.Is(err, ErrStateDiffIncompatible) {
-			return kv, err
+	if features.Get().EnableStateDiff {
+		sdCache, err := newStateDiffCache(kv)
+		if err != nil {
+			return nil, err
 		}
-		return nil, err
+		kv.stateDiffCache = sdCache
 	}
+
 	return kv, nil
 }
 
-func (kv *Store) startStateDiff(ctx context.Context) error {
-	if !features.Get().EnableStateDiff {
-		return nil
-	}
-	// Check if offset already exists (existing state-diff database).
-	hasOffset, err := kv.hasStateDiffOffset()
-	if err != nil {
-		return err
-	}
-
-	if hasOffset {
-		// Existing state-diff database - restarts not yet supported.
-		return errors.New("restarting with existing state-diff database not yet supported")
-	}
-
-	// Check if this is a new database (no head block).
-	headBlock, err := kv.HeadBlock(ctx)
-	if err != nil {
-		return errors.Wrap(err, "could not get head block")
-	}
-
-	if headBlock == nil {
-		// New database - will be initialized later during checkpoint/genesis sync.
-		// stateDiffCache stays nil until SaveOrigin or SaveGenesisData initializes it.
-		log.Info("State-diff enabled: will be initialized during checkpoint or genesis sync")
-	} else {
-		// Existing database without state-diff - return store with error for caller to handle.
-		return ErrStateDiffIncompatible
-	}
-	return nil
-}
-
 // ClearDB removes the previously stored database in the data directory.
 func (s *Store) ClearDB() error {
 	if err := s.Close(); err != nil {

beacon-chain/db/kv/schema.go

@@ -7,17 +7,16 @@ package kv
 // it easy to scan for keys that have a certain shard number as a prefix and return those
 // corresponding attestations.
 var (
-	blocksBucket                    = []byte("blocks")
-	stateBucket                     = []byte("state")
-	stateSummaryBucket              = []byte("state-summary")
-	chainMetadataBucket             = []byte("chain-metadata")
-	checkpointBucket                = []byte("check-point")
-	powchainBucket                  = []byte("powchain")
-	stateValidatorsBucket           = []byte("state-validators")
-	feeRecipientBucket              = []byte("fee-recipient")
-	registrationBucket              = []byte("registration")
-	stateDiffBucket                 = []byte("state-diff")
-	executionPayloadEnvelopesBucket = []byte("execution-payload-envelopes")
+	blocksBucket          = []byte("blocks")
+	stateBucket           = []byte("state")
+	stateSummaryBucket    = []byte("state-summary")
+	chainMetadataBucket   = []byte("chain-metadata")
+	checkpointBucket      = []byte("check-point")
+	powchainBucket        = []byte("powchain")
+	stateValidatorsBucket = []byte("state-validators")
+	feeRecipientBucket    = []byte("fee-recipient")
+	registrationBucket    = []byte("registration")
+	stateDiffBucket       = []byte("state-diff")
 
 	// Light Client Updates Bucket
 	lightClientUpdatesBucket       = []byte("light-client-updates")
@@ -61,8 +60,6 @@ var (
 	electraBlindKey            = []byte("blind-electra")
 	fuluKey                    = []byte("fulu")
 	fuluBlindKey               = []byte("blind-fulu")
-	gloasKey                   = []byte("gloas")
-	// No gloasBlindKey needed - Gloas blocks are never blinded (no execution payload in block body).
 
 	// block root included in the beacon state used by weak subjectivity initial sync
 	originCheckpointBlockRootKey = []byte("origin-checkpoint-block-root")

beacon-chain/db/kv/state.go

@@ -1053,10 +1053,6 @@ func (s *Store) getStateUsingStateDiff(ctx context.Context, blockRoot [32]byte)
 		return nil, err
 	}
 
-	if uint64(slot) < s.getOffset() {
-		return nil, ErrSlotBeforeOffset
-	}
-
 	st, err := s.stateByDiff(ctx, slot)
 	if err != nil {
 		return nil, err
@@ -1074,10 +1070,6 @@ func (s *Store) hasStateUsingStateDiff(ctx context.Context, blockRoot [32]byte)
 		return false, err
 	}
 
-	if uint64(slot) < s.getOffset() {
-		return false, ErrSlotBeforeOffset
-	}
-
 	stateLvl := computeLevel(s.getOffset(), slot)
 	return stateLvl != -1, nil
 }

beacon-chain/db/kv/state_diff.go

@@ -24,7 +24,7 @@ const (
 */
 
 // SlotInDiffTree returns whether the given slot is a saving point in the diff tree.
-// If it is, it also returns the offset and level in the tree.
+// It it is, it also returns the offset and level in the tree.
 func (s *Store) SlotInDiffTree(slot primitives.Slot) (uint64, int, error) {
 	offset := s.getOffset()
 	if uint64(slot) < offset {

beacon-chain/db/kv/state_diff_cache.go

@@ -25,7 +25,7 @@ func newStateDiffCache(s *Store) (*stateDiffCache, error) {
 			return bbolt.ErrBucketNotFound
 		}
 
-		offsetBytes := bucket.Get(offsetKey)
+		offsetBytes := bucket.Get([]byte("offset"))
 		if offsetBytes == nil {
 			return errors.New("state diff cache: offset not found")
 		}

beacon-chain/db/kv/state_diff_helpers.go

@@ -9,19 +9,17 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	statenative "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
-	"github.com/OffchainLabs/prysm/v7/config/features"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/hdiff"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/math"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	pkgerrors "github.com/pkg/errors"
 	"go.etcd.io/bbolt"
 )
 
 var (
 	offsetKey           = []byte("offset")
-	ErrSlotBeforeOffset = errors.New("slot is before state-diff root offset")
+	ErrSlotBeforeOffset = errors.New("slot is before root offset")
 )
 
 func makeKeyForStateDiffTree(level int, slot uint64) []byte {
@@ -75,9 +73,6 @@ func (s *Store) getAnchorState(offset uint64, lvl int, slot primitives.Slot) (an
 
 // computeLevel computes the level in the diff tree. Returns -1 in case slot should not be in tree.
 func computeLevel(offset uint64, slot primitives.Slot) int {
-	if uint64(slot) < offset {
-		return -1
-	}
 	rel := uint64(slot) - offset
 	for i, exp := range flags.Get().StateDiffExponents {
 		if exp < 2 || exp >= 64 {
@@ -124,66 +119,6 @@ func (s *Store) getOffset() uint64 {
 	return s.stateDiffCache.getOffset()
 }
 
-// hasStateDiffOffset checks if the state-diff offset has been set in the database.
-// This is used to detect if an existing database has state-diff enabled.
-func (s *Store) hasStateDiffOffset() (bool, error) {
-	var hasOffset bool
-	err := s.db.View(func(tx *bbolt.Tx) error {
-		bucket := tx.Bucket(stateDiffBucket)
-		if bucket == nil {
-			return nil
-		}
-		hasOffset = bucket.Get(offsetKey) != nil
-		return nil
-	})
-	return hasOffset, err
-}
-
-// initializeStateDiff sets up the state-diff schema for a new database.
-// This should be called during checkpoint sync or genesis sync.
-func (s *Store) initializeStateDiff(slot primitives.Slot, initialState state.ReadOnlyBeaconState) error {
-	// Return early if the feature is not set
-	if !features.Get().EnableStateDiff {
-		return nil
-	}
-	// Only reinitialize if the offset is different
-	if s.stateDiffCache != nil {
-		if s.stateDiffCache.getOffset() == uint64(slot) {
-			log.WithField("offset", slot).Warning("Ignoring state diff cache reinitialization")
-			return nil
-		}
-	}
-	// Write offset directly to the database (without using cache which doesn't exist yet).
-	err := s.db.Update(func(tx *bbolt.Tx) error {
-		bucket := tx.Bucket(stateDiffBucket)
-		if bucket == nil {
-			return bbolt.ErrBucketNotFound
-		}
-
-		offsetBytes := make([]byte, 8)
-		binary.LittleEndian.PutUint64(offsetBytes, uint64(slot))
-		return bucket.Put(offsetKey, offsetBytes)
-	})
-	if err != nil {
-		return pkgerrors.Wrap(err, "failed to set offset")
-	}
-
-	// Create the state diff cache (this will read the offset from the database).
-	sdCache, err := newStateDiffCache(s)
-	if err != nil {
-		return pkgerrors.Wrap(err, "failed to create state diff cache")
-	}
-	s.stateDiffCache = sdCache
-
-	// Save the initial state as a full snapshot.
-	if err := s.saveFullSnapshot(initialState); err != nil {
-		return pkgerrors.Wrap(err, "failed to save initial snapshot")
-	}
-
-	log.WithField("offset", slot).Info("Initialized state-diff cache")
-	return nil
-}
-
 func keyForSnapshot(v int) ([]byte, error) {
 	switch v {
 	case version.Fulu:

beacon-chain/db/kv/state_diff_test.go

@@ -43,12 +43,8 @@ func TestStateDiff_ComputeLevel(t *testing.T) {
 
 	offset := db.getOffset()
 
-	// should be -1. slot < offset
-	lvl := computeLevel(10, primitives.Slot(9))
-	require.Equal(t, -1, lvl)
-
 	// 2 ** 21
-	lvl = computeLevel(offset, primitives.Slot(math.PowerOf2(21)))
+	lvl := computeLevel(offset, primitives.Slot(math.PowerOf2(21)))
 	require.Equal(t, 0, lvl)
 
 	// 2 ** 21 * 3

beacon-chain/db/kv/state_test.go

@@ -1395,23 +1395,6 @@ func TestStore_CanSaveRetrieveStateUsingStateDiff(t *testing.T) {
 		require.IsNil(t, readSt)
 	})
 
-	t.Run("slot before offset", func(t *testing.T) {
-		db := setupDB(t)
-		setDefaultStateDiffExponents()
-
-		err := setOffsetInDB(db, 10)
-		require.NoError(t, err)
-
-		r := bytesutil.ToBytes32([]byte{'A'})
-		ss := &ethpb.StateSummary{Slot: 9, Root: r[:]}
-		err = db.SaveStateSummary(t.Context(), ss)
-		require.NoError(t, err)
-
-		st, err := db.getStateUsingStateDiff(t.Context(), r)
-		require.ErrorIs(t, err, ErrSlotBeforeOffset)
-		require.IsNil(t, st)
-	})
-
 	t.Run("Full state snapshot", func(t *testing.T) {
 		t.Run("using state summary", func(t *testing.T) {
 			for v := range version.All() {
@@ -1644,21 +1627,4 @@ func TestStore_HasStateUsingStateDiff(t *testing.T) {
 		}
 
 	})
-
-	t.Run("slot before offset", func(t *testing.T) {
-		db := setupDB(t)
-		setDefaultStateDiffExponents()
-
-		err := setOffsetInDB(db, 10)
-		require.NoError(t, err)
-
-		r := bytesutil.ToBytes32([]byte{'B'})
-		ss := &ethpb.StateSummary{Slot: 0, Root: r[:]}
-		err = db.SaveStateSummary(t.Context(), ss)
-		require.NoError(t, err)
-
-		hasState, err := db.hasStateUsingStateDiff(t.Context(), r)
-		require.ErrorIs(t, err, ErrSlotBeforeOffset)
-		require.Equal(t, false, hasState)
-	})
 }

beacon-chain/db/kv/wss.go

@@ -110,8 +110,6 @@ func (s *Store) SaveOrigin(ctx context.Context, serState, serBlock []byte) error
 	if err = s.SaveFinalizedCheckpoint(ctx, chkpt); err != nil {
 		return errors.Wrap(err, "save finalized checkpoint")
 	}
-	if err := s.initializeStateDiff(state.Slot(), state); err != nil {
-		return errors.Wrap(err, "failed to initialize state diff")
-	}
+
 	return nil
 }

beacon-chain/node/BUILD.bazel

@@ -64,6 +64,7 @@ go_library(
         "//monitoring/tracing:go_default_library",
         "//runtime:go_default_library",
         "//runtime/prereqs:go_default_library",
+        "//runtime/version:go_default_library",
         "@com_github_ethereum_go_ethereum//common:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prometheus_client_golang//prometheus:go_default_library",

beacon-chain/node/node.go

@@ -66,6 +66,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/monitoring/prometheus"
 	"github.com/OffchainLabs/prysm/v7/runtime"
 	"github.com/OffchainLabs/prysm/v7/runtime/prereqs"
+	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -468,6 +469,10 @@ func (b *BeaconNode) OperationFeed() event.SubscriberSender {
 func (b *BeaconNode) Start() {
 	b.lock.Lock()
 
+	log.WithFields(logrus.Fields{
+		"version": version.Version(),
+	}).Info("Starting beacon node")
+
 	b.services.StartAll()
 
 	stop := b.stop
@@ -535,12 +540,7 @@ func openDB(ctx context.Context, dbPath string, clearer *dbClearer) (*kv.Store,
 	log.WithField("databasePath", dbPath).Info("Checking DB")
 
 	d, err := kv.NewKVStore(ctx, dbPath)
-	if errors.Is(err, kv.ErrStateDiffIncompatible) {
-		log.WithError(err).Warn("Disabling state-diff feature")
-		cfg := features.Get()
-		cfg.EnableStateDiff = false
-		features.Init(cfg)
-	} else if err != nil {
+	if err != nil {
 		return nil, errors.Wrapf(err, "could not create database at %s", dbPath)
 	}
 

beacon-chain/node/node_test.go

@@ -68,6 +68,7 @@ func TestNodeClose_OK(t *testing.T) {
 }
 
 func TestNodeStart_Ok(t *testing.T) {
+	hook := logTest.NewGlobal()
 	app := cli.App{}
 	tmp := fmt.Sprintf("%s/datadirtest2", t.TempDir())
 	set := flag.NewFlagSet("test", 0)
@@ -96,9 +97,11 @@ func TestNodeStart_Ok(t *testing.T) {
 	}()
 	time.Sleep(3 * time.Second)
 	node.Close()
+	require.LogsContain(t, hook, "Starting beacon node")
 }
 
 func TestNodeStart_SyncChecker(t *testing.T) {
+	hook := logTest.NewGlobal()
 	app := cli.App{}
 	tmp := fmt.Sprintf("%s/datadirtest2", t.TempDir())
 	set := flag.NewFlagSet("test", 0)
@@ -124,6 +127,7 @@ func TestNodeStart_SyncChecker(t *testing.T) {
 	time.Sleep(3 * time.Second)
 	assert.NotNil(t, node.syncChecker.Svc)
 	node.Close()
+	require.LogsContain(t, hook, "Starting beacon node")
 }
 
 // TestClearDB tests clearing the database

beacon-chain/rpc/eth/beacon/handlers.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/OffchainLabs/prysm/v7/api"
@@ -25,6 +26,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
 	"github.com/OffchainLabs/prysm/v7/network/httputil"
 	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
@@ -1042,27 +1044,112 @@ func (s *Server) GetBlockRoot(w http.ResponseWriter, r *http.Request) {
 	ctx, span := trace.StartSpan(r.Context(), "beacon.GetBlockRoot")
 	defer span.End()
 
+	var err error
+	var root []byte
 	blockID := r.PathValue("block_id")
 	if blockID == "" {
 		httputil.HandleError(w, "block_id is required in URL params", http.StatusBadRequest)
 		return
 	}
-	root, err := s.Blocker.BlockRoot(ctx, []byte(blockID))
-	if !shared.WriteBlockRootFetchError(w, err) {
-		return
+	switch blockID {
+	case "head":
+		root, err = s.ChainInfoFetcher.HeadRoot(ctx)
+		if err != nil {
+			httputil.HandleError(w, "Could not retrieve head root: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+		if root == nil {
+			httputil.HandleError(w, "No head root was found", http.StatusNotFound)
+			return
+		}
+	case "finalized":
+		finalized := s.ChainInfoFetcher.FinalizedCheckpt()
+		root = finalized.Root
+	case "genesis":
+		blk, err := s.BeaconDB.GenesisBlock(ctx)
+		if err != nil {
+			httputil.HandleError(w, "Could not retrieve genesis block: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+		if err := blocks.BeaconBlockIsNil(blk); err != nil {
+			httputil.HandleError(w, "Could not find genesis block: "+err.Error(), http.StatusNotFound)
+			return
+		}
+		blkRoot, err := blk.Block().HashTreeRoot()
+		if err != nil {
+			httputil.HandleError(w, "Could not hash genesis block: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+		root = blkRoot[:]
+	default:
+		isHex := strings.HasPrefix(blockID, "0x")
+		if isHex {
+			blockIDBytes, err := hexutil.Decode(blockID)
+			if err != nil {
+				httputil.HandleError(w, "Could not decode block ID into bytes: "+err.Error(), http.StatusBadRequest)
+				return
+			}
+			if len(blockIDBytes) != fieldparams.RootLength {
+				httputil.HandleError(w, fmt.Sprintf("Block ID has length %d instead of %d", len(blockIDBytes), fieldparams.RootLength), http.StatusBadRequest)
+				return
+			}
+			blockID32 := bytesutil.ToBytes32(blockIDBytes)
+			blk, err := s.BeaconDB.Block(ctx, blockID32)
+			if err != nil {
+				httputil.HandleError(w, fmt.Sprintf("Could not retrieve block for block root %#x: %v", blockID, err), http.StatusInternalServerError)
+				return
+			}
+			if err := blocks.BeaconBlockIsNil(blk); err != nil {
+				httputil.HandleError(w, "Could not find block: "+err.Error(), http.StatusNotFound)
+				return
+			}
+			root = blockIDBytes
+		} else {
+			slot, err := strconv.ParseUint(blockID, 10, 64)
+			if err != nil {
+				httputil.HandleError(w, "Could not parse block ID: "+err.Error(), http.StatusBadRequest)
+				return
+			}
+			hasRoots, roots, err := s.BeaconDB.BlockRootsBySlot(ctx, primitives.Slot(slot))
+			if err != nil {
+				httputil.HandleError(w, fmt.Sprintf("Could not retrieve blocks for slot %d: %v", slot, err), http.StatusInternalServerError)
+				return
+			}
+
+			if !hasRoots {
+				httputil.HandleError(w, "Could not find any blocks with given slot", http.StatusNotFound)
+				return
+			}
+			root = roots[0][:]
+			if len(roots) == 1 {
+				break
+			}
+			for _, blockRoot := range roots {
+				canonical, err := s.ChainInfoFetcher.IsCanonical(ctx, blockRoot)
+				if err != nil {
+					httputil.HandleError(w, "Could not determine if block root is canonical: "+err.Error(), http.StatusInternalServerError)
+					return
+				}
+				if canonical {
+					root = blockRoot[:]
+					break
+				}
+			}
+		}
 	}
 
-	isOptimistic, err := s.OptimisticModeFetcher.IsOptimisticForRoot(ctx, root)
+	b32Root := bytesutil.ToBytes32(root)
+	isOptimistic, err := s.OptimisticModeFetcher.IsOptimisticForRoot(ctx, b32Root)
 	if err != nil {
 		httputil.HandleError(w, "Could not check if block is optimistic: "+err.Error(), http.StatusInternalServerError)
 		return
 	}
 	response := &structs.BlockRootResponse{
 		Data: &structs.BlockRoot{
-			Root: hexutil.Encode(root[:]),
+			Root: hexutil.Encode(root),
 		},
 		ExecutionOptimistic: isOptimistic,
-		Finalized:           s.FinalizationFetcher.IsFinalized(ctx, root),
+		Finalized:           s.FinalizationFetcher.IsFinalized(ctx, b32Root),
 	}
 	httputil.WriteJson(w, response)
 }

beacon-chain/rpc/eth/beacon/handlers_test.go

@@ -50,14 +50,6 @@ import (
 	"go.uber.org/mock/gomock"
 )
 
-// fillGloasBlockTestData populates a Gloas block with non-zero test values for the
-// Gloas-specific fields: SignedExecutionPayloadBid and PayloadAttestations.
-func fillGloasBlockTestData(b *eth.SignedBeaconBlockGloas, numPayloadAttestations int) {
-	slot := b.Block.Slot
-	b.Block.Body.SignedExecutionPayloadBid = util.GenerateTestSignedExecutionPayloadBid(slot)
-	b.Block.Body.PayloadAttestations = util.GenerateTestPayloadAttestations(numPayloadAttestations, slot)
-}
-
 func fillDBTestBlocks(ctx context.Context, t *testing.T, beaconDB db.Database) (*eth.SignedBeaconBlock, []*eth.BeaconBlockContainer) {
 	parentRoot := [32]byte{1, 2, 3}
 	genBlk := util.NewBeaconBlock()
@@ -343,50 +335,6 @@ func TestGetBlockV2(t *testing.T) {
 		require.NoError(t, err)
 		assert.DeepEqual(t, blk, b)
 	})
-	t.Run("gloas", func(t *testing.T) {
-		b := util.NewBeaconBlockGloas()
-		b.Block.Slot = 123
-		fillGloasBlockTestData(b, 2)
-		sb, err := blocks.NewSignedBeaconBlock(b)
-		require.NoError(t, err)
-		mockBlockFetcher := &testutil.MockBlocker{BlockToReturn: sb}
-		mockChainService := &chainMock.ChainService{
-			FinalizedRoots: map[[32]byte]bool{},
-		}
-		s := &Server{
-			OptimisticModeFetcher: mockChainService,
-			FinalizationFetcher:   mockChainService,
-			Blocker:               mockBlockFetcher,
-		}
-
-		request := httptest.NewRequest(http.MethodGet, "http://foo.example/eth/v2/beacon/blocks/{block_id}", nil)
-		request.SetPathValue("block_id", "head")
-		writer := httptest.NewRecorder()
-		writer.Body = &bytes.Buffer{}
-
-		s.GetBlockV2(writer, request)
-		require.Equal(t, http.StatusOK, writer.Code)
-		resp := &structs.GetBlockV2Response{}
-		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
-		assert.Equal(t, version.String(version.Gloas), resp.Version)
-		sbb := &structs.SignedBeaconBlockGloas{Message: &structs.BeaconBlockGloas{}}
-		require.NoError(t, json.Unmarshal(resp.Data.Message, sbb.Message))
-		sbb.Signature = resp.Data.Signature
-		blk, err := sbb.ToConsensus()
-		require.NoError(t, err)
-		assert.DeepEqual(t, blk, b)
-
-		// Verify Gloas-specific fields are correctly serialized/deserialized
-		require.NotNil(t, blk.Block.Body.SignedExecutionPayloadBid)
-		assert.Equal(t, primitives.Slot(123), blk.Block.Body.SignedExecutionPayloadBid.Message.Slot)
-		assert.Equal(t, primitives.BuilderIndex(1), blk.Block.Body.SignedExecutionPayloadBid.Message.BuilderIndex)
-		require.Equal(t, 2, len(blk.Block.Body.PayloadAttestations))
-		for _, att := range blk.Block.Body.PayloadAttestations {
-			assert.Equal(t, primitives.Slot(123), att.Data.Slot)
-			assert.Equal(t, true, att.Data.PayloadPresent)
-			assert.Equal(t, true, att.Data.BlobDataAvailable)
-		}
-	})
 	t.Run("execution optimistic", func(t *testing.T) {
 		b := util.NewBeaconBlockBellatrix()
 		sb, err := blocks.NewSignedBeaconBlock(b)
@@ -626,37 +574,6 @@ func TestGetBlockSSZV2(t *testing.T) {
 		require.NoError(t, err)
 		assert.DeepEqual(t, sszExpected, writer.Body.Bytes())
 	})
-	t.Run("gloas", func(t *testing.T) {
-		b := util.NewBeaconBlockGloas()
-		b.Block.Slot = 123
-		fillGloasBlockTestData(b, 2)
-		sb, err := blocks.NewSignedBeaconBlock(b)
-		require.NoError(t, err)
-
-		s := &Server{
-			Blocker: &testutil.MockBlocker{BlockToReturn: sb},
-		}
-
-		request := httptest.NewRequest(http.MethodGet, "http://foo.example/eth/v2/beacon/blocks/{block_id}", nil)
-		request.SetPathValue("block_id", "head")
-		request.Header.Set("Accept", api.OctetStreamMediaType)
-		writer := httptest.NewRecorder()
-		writer.Body = &bytes.Buffer{}
-
-		s.GetBlockV2(writer, request)
-		require.Equal(t, http.StatusOK, writer.Code)
-		assert.Equal(t, version.String(version.Gloas), writer.Header().Get(api.VersionHeader))
-		sszExpected, err := b.MarshalSSZ()
-		require.NoError(t, err)
-		assert.DeepEqual(t, sszExpected, writer.Body.Bytes())
-
-		// Verify SSZ round-trip preserves Gloas-specific fields
-		decoded := &eth.SignedBeaconBlockGloas{}
-		require.NoError(t, decoded.UnmarshalSSZ(writer.Body.Bytes()))
-		require.NotNil(t, decoded.Block.Body.SignedExecutionPayloadBid)
-		assert.Equal(t, primitives.Slot(123), decoded.Block.Body.SignedExecutionPayloadBid.Message.Slot)
-		require.Equal(t, 2, len(decoded.Block.Body.PayloadAttestations))
-	})
 }
 
 func TestGetBlockAttestationsV2(t *testing.T) {
@@ -2592,10 +2509,6 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			HeadFetcher:           mockChainFetcher,
 			OptimisticModeFetcher: mockChainFetcher,
 			FinalizationFetcher:   mockChainFetcher,
-			Blocker: &lookup.BeaconDbBlocker{
-				BeaconDB:         beaconDB,
-				ChainInfoFetcher: mockChainFetcher,
-			},
 		}
 
 		root, err := genBlk.Block.HashTreeRoot()
@@ -2611,7 +2524,7 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			{
 				name:     "bad formatting",
 				blockID:  map[string]string{"block_id": "3bad0"},
-				wantErr:  "Invalid block ID",
+				wantErr:  "Could not parse block ID",
 				wantCode: http.StatusBadRequest,
 			},
 			{
@@ -2659,7 +2572,7 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			{
 				name:     "non-existent root",
 				blockID:  map[string]string{"block_id": hexutil.Encode(bytesutil.PadTo([]byte("hi there"), 32))},
-				wantErr:  "Block not found",
+				wantErr:  "Could not find block",
 				wantCode: http.StatusNotFound,
 			},
 			{
@@ -2672,7 +2585,7 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			{
 				name:     "no block",
 				blockID:  map[string]string{"block_id": "105"},
-				wantErr:  "Block not found",
+				wantErr:  "Could not find any blocks with given slot",
 				wantCode: http.StatusNotFound,
 			},
 		}
@@ -2720,10 +2633,6 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			HeadFetcher:           mockChainFetcher,
 			OptimisticModeFetcher: mockChainFetcher,
 			FinalizationFetcher:   mockChainFetcher,
-			Blocker: &lookup.BeaconDbBlocker{
-				BeaconDB:         beaconDB,
-				ChainInfoFetcher: mockChainFetcher,
-			},
 		}
 
 		request := httptest.NewRequest(http.MethodGet, url, nil)
@@ -2759,10 +2668,6 @@ func TestServer_GetBlockRoot(t *testing.T) {
 			HeadFetcher:           mockChainFetcher,
 			OptimisticModeFetcher: mockChainFetcher,
 			FinalizationFetcher:   mockChainFetcher,
-			Blocker: &lookup.BeaconDbBlocker{
-				BeaconDB:         beaconDB,
-				ChainInfoFetcher: mockChainFetcher,
-			},
 		}
 		t.Run("true", func(t *testing.T) {
 			request := httptest.NewRequest(http.MethodGet, url, nil)

beacon-chain/rpc/eth/config/BUILD.bazel

@@ -7,7 +7,6 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//api/server/structs:go_default_library",
-        "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//monitoring/tracing/trace:go_default_library",
         "//network/httputil:go_default_library",

beacon-chain/rpc/eth/config/handlers.go

@@ -9,7 +9,6 @@ import (
 	"strings"
 
 	"github.com/OffchainLabs/prysm/v7/api/server/structs"
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
 	"github.com/OffchainLabs/prysm/v7/network/httputil"
@@ -182,16 +181,6 @@ func prepareConfigSpec() (map[string]any, error) {
 		data[tag] = convertValueForJSON(val, tag)
 	}
 
-	// Add Fulu preset values. These are compile-time constants from fieldparams,
-	// not runtime configs, but are required by the /eth/v1/config/spec API.
-	data["NUMBER_OF_COLUMNS"] = convertValueForJSON(reflect.ValueOf(uint64(fieldparams.NumberOfColumns)), "NUMBER_OF_COLUMNS")
-	data["CELLS_PER_EXT_BLOB"] = convertValueForJSON(reflect.ValueOf(uint64(fieldparams.NumberOfColumns)), "CELLS_PER_EXT_BLOB")
-	data["FIELD_ELEMENTS_PER_CELL"] = convertValueForJSON(reflect.ValueOf(uint64(fieldparams.CellsPerBlob)), "FIELD_ELEMENTS_PER_CELL")
-	data["FIELD_ELEMENTS_PER_EXT_BLOB"] = convertValueForJSON(reflect.ValueOf(config.FieldElementsPerBlob*2), "FIELD_ELEMENTS_PER_EXT_BLOB")
-	data["KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH"] = convertValueForJSON(reflect.ValueOf(uint64(4)), "KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH")
-	// UPDATE_TIMEOUT is derived from SLOTS_PER_EPOCH * EPOCHS_PER_SYNC_COMMITTEE_PERIOD
-	data["UPDATE_TIMEOUT"] = convertValueForJSON(reflect.ValueOf(uint64(config.SlotsPerEpoch)*uint64(config.EpochsPerSyncCommitteePeriod)), "UPDATE_TIMEOUT")
-
 	return data, nil
 }
 

beacon-chain/rpc/eth/config/handlers_test.go

@@ -83,7 +83,6 @@ func TestGetSpec(t *testing.T) {
 	config.ElectraForkEpoch = 107
 	config.FuluForkVersion = []byte("FuluForkVersion")
 	config.FuluForkEpoch = 109
-	config.GloasForkEpoch = 110
 	config.BLSWithdrawalPrefixByte = byte('b')
 	config.ETH1AddressWithdrawalPrefixByte = byte('c')
 	config.GenesisDelay = 24
@@ -133,12 +132,8 @@ func TestGetSpec(t *testing.T) {
 	config.MinSyncCommitteeParticipants = 71
 	config.ProposerReorgCutoffBPS = primitives.BP(121)
 	config.AttestationDueBPS = primitives.BP(122)
-	config.AggregateDueBPS = primitives.BP(123)
+	config.AggregrateDueBPS = primitives.BP(123)
 	config.ContributionDueBPS = primitives.BP(124)
-	config.AttestationDueBPSGloas = primitives.BP(126)
-	config.AggregateDueBPSGloas = primitives.BP(127)
-	config.SyncMessageDueBPSGloas = primitives.BP(128)
-	config.ContributionDueBPSGloas = primitives.BP(129)
 	config.TerminalBlockHash = common.HexToHash("TerminalBlockHash")
 	config.TerminalBlockHashActivationEpoch = 72
 	config.TerminalTotalDifficulty = "73"
@@ -175,8 +170,6 @@ func TestGetSpec(t *testing.T) {
 	config.SyncMessageDueBPS = 103
 	config.BuilderWithdrawalPrefixByte = byte('b')
 	config.BuilderIndexSelfBuild = primitives.BuilderIndex(125)
-	config.BuilderPaymentThresholdNumerator = 104
-	config.BuilderPaymentThresholdDenominator = 105
 
 	var dbp [4]byte
 	copy(dbp[:], []byte{'0', '0', '0', '1'})
@@ -202,9 +195,6 @@ func TestGetSpec(t *testing.T) {
 	var dbb [4]byte
 	copy(dbb[:], []byte{'0', '0', '0', '8'})
 	config.DomainBeaconBuilder = dbb
-	var dptc [4]byte
-	copy(dptc[:], []byte{'0', '0', '0', '8'})
-	config.DomainPTCAttester = dptc
 	var dam [4]byte
 	copy(dam[:], []byte{'1', '0', '0', '0'})
 	config.DomainApplicationMask = dam
@@ -220,7 +210,7 @@ func TestGetSpec(t *testing.T) {
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	data, ok := resp.Data.(map[string]any)
 	require.Equal(t, true, ok)
-	assert.Equal(t, 192, len(data))
+	assert.Equal(t, 178, len(data))
 	for k, v := range data {
 		t.Run(k, func(t *testing.T) {
 			switch k {
@@ -300,8 +290,6 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x"+hex.EncodeToString([]byte("FuluForkVersion")), v)
 			case "FULU_FORK_EPOCH":
 				assert.Equal(t, "109", v)
-			case "GLOAS_FORK_EPOCH":
-				assert.Equal(t, "110", v)
 			case "MIN_ANCHOR_POW_BLOCK_DIFFICULTY":
 				assert.Equal(t, "1000", v)
 			case "BLS_WITHDRAWAL_PREFIX":
@@ -424,8 +412,6 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x30303036", v)
 			case "DOMAIN_AGGREGATE_AND_PROOF":
 				assert.Equal(t, "0x30303037", v)
-			case "DOMAIN_PTC_ATTESTER":
-				assert.Equal(t, "0x30303038", v)
 			case "DOMAIN_APPLICATION_MASK":
 				assert.Equal(t, "0x31303030", v)
 			case "DOMAIN_SYNC_COMMITTEE":
@@ -482,18 +468,10 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "121", v)
 			case "ATTESTATION_DUE_BPS":
 				assert.Equal(t, "122", v)
-			case "AGGREGATE_DUE_BPS":
+			case "AGGREGRATE_DUE_BPS":
 				assert.Equal(t, "123", v)
 			case "CONTRIBUTION_DUE_BPS":
 				assert.Equal(t, "124", v)
-			case "ATTESTATION_DUE_BPS_GLOAS":
-				assert.Equal(t, "126", v)
-			case "AGGREGATE_DUE_BPS_GLOAS":
-				assert.Equal(t, "127", v)
-			case "SYNC_MESSAGE_DUE_BPS_GLOAS":
-				assert.Equal(t, "128", v)
-			case "CONTRIBUTION_DUE_BPS_GLOAS":
-				assert.Equal(t, "129", v)
 			case "MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT":
 				assert.Equal(t, "8", v)
 			case "MAX_REQUEST_LIGHT_CLIENT_UPDATES":
@@ -610,26 +588,10 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "102", v)
 			case "SYNC_MESSAGE_DUE_BPS":
 				assert.Equal(t, "103", v)
-			case "BUILDER_PAYMENT_THRESHOLD_NUMERATOR":
-				assert.Equal(t, "104", v)
-			case "BUILDER_PAYMENT_THRESHOLD_DENOMINATOR":
-				assert.Equal(t, "105", v)
 			case "BLOB_SCHEDULE":
 				blobSchedule, ok := v.([]any)
 				assert.Equal(t, true, ok)
 				assert.Equal(t, 2, len(blobSchedule))
-			case "FIELD_ELEMENTS_PER_CELL":
-				assert.Equal(t, "64", v) // From fieldparams.CellsPerBlob
-			case "FIELD_ELEMENTS_PER_EXT_BLOB":
-				assert.Equal(t, "198", v) // FieldElementsPerBlob (99) * 2
-			case "KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH":
-				assert.Equal(t, "4", v) // Preset value
-			case "CELLS_PER_EXT_BLOB":
-				assert.Equal(t, "128", v) // From fieldparams.NumberOfColumns
-			case "NUMBER_OF_COLUMNS":
-				assert.Equal(t, "128", v) // From fieldparams.NumberOfColumns
-			case "UPDATE_TIMEOUT":
-				assert.Equal(t, "1782", v) // SlotsPerEpoch (27) * EpochsPerSyncCommitteePeriod (66)
 			default:
 				t.Errorf("Incorrect key: %s", k)
 			}

beacon-chain/rpc/eth/shared/errors.go

@@ -26,30 +26,21 @@ func WriteStateFetchError(w http.ResponseWriter, err error) {
 	httputil.HandleError(w, "Could not get state: "+err.Error(), http.StatusInternalServerError)
 }
 
-// writeBlockIdError handles common block ID lookup errors.
-// Returns true if an error was handled and written to the response, false if no error.
-func writeBlockIdError(w http.ResponseWriter, err error, fallbackMsg string) bool {
-	if err == nil {
-		return false
-	}
+// WriteBlockFetchError writes an appropriate error based on the supplied argument.
+// The argument error should be a result of fetching block.
+func WriteBlockFetchError(w http.ResponseWriter, blk interfaces.ReadOnlySignedBeaconBlock, err error) bool {
 	var blockNotFoundErr *lookup.BlockNotFoundError
 	if errors.As(err, &blockNotFoundErr) {
 		httputil.HandleError(w, "Block not found: "+blockNotFoundErr.Error(), http.StatusNotFound)
-		return true
+		return false
 	}
 	var invalidBlockIdErr *lookup.BlockIdParseError
 	if errors.As(err, &invalidBlockIdErr) {
 		httputil.HandleError(w, "Invalid block ID: "+invalidBlockIdErr.Error(), http.StatusBadRequest)
-		return true
+		return false
 	}
-	httputil.HandleError(w, fallbackMsg+": "+err.Error(), http.StatusInternalServerError)
-	return true
-}
-
-// WriteBlockFetchError writes an appropriate error based on the supplied argument.
-// The argument error should be a result of fetching block.
-func WriteBlockFetchError(w http.ResponseWriter, blk interfaces.ReadOnlySignedBeaconBlock, err error) bool {
-	if writeBlockIdError(w, err, "Could not get block from block ID") {
+	if err != nil {
+		httputil.HandleError(w, "Could not get block from block ID: "+err.Error(), http.StatusInternalServerError)
 		return false
 	}
 	if err = blocks.BeaconBlockIsNil(blk); err != nil {
@@ -58,10 +49,3 @@ func WriteBlockFetchError(w http.ResponseWriter, blk interfaces.ReadOnlySignedBe
 	}
 	return true
 }
-
-// WriteBlockRootFetchError writes an appropriate error based on the supplied argument.
-// The argument error should be a result of fetching block root.
-// Returns true if no error occurred, false otherwise.
-func WriteBlockRootFetchError(w http.ResponseWriter, err error) bool {
-	return !writeBlockIdError(w, err, "Could not get block root from block ID")
-}

beacon-chain/rpc/eth/shared/errors_test.go

@@ -105,59 +105,3 @@ func TestWriteBlockFetchError(t *testing.T) {
 		})
 	}
 }
-
-// TestWriteBlockRootFetchError tests the WriteBlockRootFetchError function
-// to ensure that the correct error message and code are written to the response
-// and that the function returns the correct boolean value.
-func TestWriteBlockRootFetchError(t *testing.T) {
-	cases := []struct {
-		name            string
-		err             error
-		expectedMessage string
-		expectedCode    int
-		expectedReturn  bool
-	}{
-		{
-			name:           "Nil error should return true",
-			err:            nil,
-			expectedReturn: true,
-		},
-		{
-			name:            "BlockNotFoundError should return 404",
-			err:             lookup.NewBlockNotFoundError("block not found at slot 123"),
-			expectedMessage: "Block not found",
-			expectedCode:    http.StatusNotFound,
-			expectedReturn:  false,
-		},
-		{
-			name:            "BlockIdParseError should return 400",
-			err:             &lookup.BlockIdParseError{},
-			expectedMessage: "Invalid block ID",
-			expectedCode:    http.StatusBadRequest,
-			expectedReturn:  false,
-		},
-		{
-			name:            "Generic error should return 500",
-			err:             errors.New("database connection failed"),
-			expectedMessage: "Could not get block root from block ID",
-			expectedCode:    http.StatusInternalServerError,
-			expectedReturn:  false,
-		},
-	}
-
-	for _, c := range cases {
-		t.Run(c.name, func(t *testing.T) {
-			writer := httptest.NewRecorder()
-			result := WriteBlockRootFetchError(writer, c.err)
-
-			assert.Equal(t, c.expectedReturn, result, "incorrect return value")
-			if !c.expectedReturn {
-				assert.Equal(t, c.expectedCode, writer.Code, "incorrect status code")
-				assert.StringContains(t, c.expectedMessage, writer.Body.String(), "incorrect error message")
-
-				e := &httputil.DefaultJsonError{}
-				assert.NoError(t, json.Unmarshal(writer.Body.Bytes(), e), "failed to unmarshal response")
-			}
-		})
-	}
-}

beacon-chain/rpc/lookup/blocker.go

@@ -60,7 +60,6 @@ func (e BlockIdParseError) Error() string {
 // Blocker is responsible for retrieving blocks.
 type Blocker interface {
 	Block(ctx context.Context, id []byte) (interfaces.ReadOnlySignedBeaconBlock, error)
-	BlockRoot(ctx context.Context, id []byte) ([fieldparams.RootLength]byte, error)
 	BlobSidecars(ctx context.Context, id string, opts ...options.BlobsOption) ([]*blocks.VerifiedROBlob, *core.RpcError)
 	Blobs(ctx context.Context, id string, opts ...options.BlobsOption) ([][]byte, *core.RpcError)
 	DataColumns(ctx context.Context, id string, indices []int) ([]blocks.VerifiedRODataColumn, *core.RpcError)
@@ -226,18 +225,6 @@ func (p *BeaconDbBlocker) Block(ctx context.Context, id []byte) (interfaces.Read
 	return blk, nil
 }
 
-// BlockRoot returns the block root for a given identifier. The identifier can be one of:
-//   - "head" (canonical head in node's view)
-//   - "genesis"
-//   - "finalized"
-//   - "justified"
-//   - <slot>
-//   - <hex encoded block root with '0x' prefix>
-func (p *BeaconDbBlocker) BlockRoot(ctx context.Context, id []byte) ([fieldparams.RootLength]byte, error) {
-	root, _, err := p.resolveBlockID(ctx, string(id))
-	return root, err
-}
-
 // blobsContext holds common information needed for blob retrieval
 type blobsContext struct {
 	root        [fieldparams.RootLength]byte

beacon-chain/rpc/lookup/blocker_test.go

@@ -168,111 +168,6 @@ func TestGetBlock(t *testing.T) {
 	}
 }
 
-func TestBlockRoot(t *testing.T) {
-	beaconDB := testDB.SetupDB(t)
-	ctx := t.Context()
-
-	genBlk, blkContainers := testutil.FillDBWithBlocks(ctx, t, beaconDB)
-	canonicalRoots := make(map[[32]byte]bool)
-
-	for _, bContr := range blkContainers {
-		canonicalRoots[bytesutil.ToBytes32(bContr.BlockRoot)] = true
-	}
-	headBlock := blkContainers[len(blkContainers)-1]
-
-	wsb, err := blocks.NewSignedBeaconBlock(headBlock.Block.(*ethpb.BeaconBlockContainer_Phase0Block).Phase0Block)
-	require.NoError(t, err)
-
-	fetcher := &BeaconDbBlocker{
-		BeaconDB: beaconDB,
-		ChainInfoFetcher: &mockChain.ChainService{
-			DB:                         beaconDB,
-			Block:                      wsb,
-			Root:                       headBlock.BlockRoot,
-			FinalizedCheckPoint:        &ethpb.Checkpoint{Root: blkContainers[64].BlockRoot},
-			CurrentJustifiedCheckPoint: &ethpb.Checkpoint{Root: blkContainers[32].BlockRoot},
-			CanonicalRoots:             canonicalRoots,
-		},
-	}
-
-	genesisRoot, err := genBlk.Block.HashTreeRoot()
-	require.NoError(t, err)
-
-	tests := []struct {
-		name    string
-		blockID []byte
-		want    [32]byte
-		wantErr bool
-	}{
-		{
-			name:    "slot",
-			blockID: []byte("30"),
-			want:    bytesutil.ToBytes32(blkContainers[30].BlockRoot),
-		},
-		{
-			name:    "bad formatting",
-			blockID: []byte("3bad0"),
-			wantErr: true,
-		},
-		{
-			name:    "head",
-			blockID: []byte("head"),
-			want:    bytesutil.ToBytes32(headBlock.BlockRoot),
-		},
-		{
-			name:    "finalized",
-			blockID: []byte("finalized"),
-			want:    bytesutil.ToBytes32(blkContainers[64].BlockRoot),
-		},
-		{
-			name:    "justified",
-			blockID: []byte("justified"),
-			want:    bytesutil.ToBytes32(blkContainers[32].BlockRoot),
-		},
-		{
-			name:    "genesis",
-			blockID: []byte("genesis"),
-			want:    genesisRoot,
-		},
-		{
-			name:    "genesis root",
-			blockID: genesisRoot[:],
-			want:    genesisRoot,
-		},
-		{
-			name:    "root",
-			blockID: blkContainers[20].BlockRoot,
-			want:    bytesutil.ToBytes32(blkContainers[20].BlockRoot),
-		},
-		{
-			name:    "hex root",
-			blockID: []byte(hexutil.Encode(blkContainers[20].BlockRoot)),
-			want:    bytesutil.ToBytes32(blkContainers[20].BlockRoot),
-		},
-		{
-			name:    "non-existent root",
-			blockID: bytesutil.PadTo([]byte("hi there"), 32),
-			wantErr: true,
-		},
-		{
-			name:    "no block at slot",
-			blockID: []byte("105"),
-			wantErr: true,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result, err := fetcher.BlockRoot(ctx, tt.blockID)
-			if tt.wantErr {
-				assert.NotEqual(t, err, nil, "no error has been returned")
-				return
-			}
-			require.NoError(t, err)
-			assert.DeepEqual(t, tt.want, result)
-		})
-	}
-}
-
 func TestBlobsErrorHandling(t *testing.T) {
 	params.SetupTestConfigCleanup(t)
 	cfg := params.BeaconConfig().Copy()

beacon-chain/rpc/prysm/v1alpha1/node/BUILD.bazel

@@ -48,7 +48,6 @@ go_test(
         "@com_github_ethereum_go_ethereum//crypto:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/enode:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
-        "@org_golang_google_grpc//metadata:go_default_library",
         "@org_golang_google_grpc//reflection:go_default_library",
         "@org_golang_google_protobuf//types/known/emptypb:go_default_library",
         "@org_golang_google_protobuf//types/known/timestamppb:go_default_library",

beacon-chain/rpc/prysm/v1alpha1/node/server.go

@@ -35,19 +35,18 @@ import (
 // providing RPC endpoints for verifying a beacon node's sync status, genesis and
 // version information, and services the node implements and runs.
 type Server struct {
-	LogsStreamer          logs.Streamer
-	StreamLogsBufferSize  int
-	SyncChecker           sync.Checker
-	Server                *grpc.Server
-	BeaconDB              db.ReadOnlyDatabase
-	PeersFetcher          p2p.PeersProvider
-	PeerManager           p2p.PeerManager
-	GenesisTimeFetcher    blockchain.TimeFetcher
-	GenesisFetcher        blockchain.GenesisFetcher
-	POWChainInfoFetcher   execution.ChainInfoFetcher
-	BeaconMonitoringHost  string
-	BeaconMonitoringPort  int
-	OptimisticModeFetcher blockchain.OptimisticModeFetcher
+	LogsStreamer         logs.Streamer
+	StreamLogsBufferSize int
+	SyncChecker          sync.Checker
+	Server               *grpc.Server
+	BeaconDB             db.ReadOnlyDatabase
+	PeersFetcher         p2p.PeersProvider
+	PeerManager          p2p.PeerManager
+	GenesisTimeFetcher   blockchain.TimeFetcher
+	GenesisFetcher       blockchain.GenesisFetcher
+	POWChainInfoFetcher  execution.ChainInfoFetcher
+	BeaconMonitoringHost string
+	BeaconMonitoringPort int
 }
 
 // Deprecated: The gRPC API will remain the default and fully supported through v8 (expected in 2026) but will be eventually removed in favor of REST API.
@@ -62,28 +61,21 @@ func (ns *Server) GetHealth(ctx context.Context, request *ethpb.HealthRequest) (
 	ctx, cancel := context.WithTimeout(ctx, timeoutDuration)
 	defer cancel() // Important to avoid a context leak
 
-	// Check optimistic status - validators should not participate when optimistic
-	isOptimistic, err := ns.OptimisticModeFetcher.IsOptimistic(ctx)
-	if err != nil {
-		return &empty.Empty{}, status.Errorf(codes.Internal, "Could not check optimistic status: %v", err)
-	}
-
-	if ns.SyncChecker.Synced() && !isOptimistic {
+	if ns.SyncChecker.Synced() {
 		return &empty.Empty{}, nil
 	}
 	if ns.SyncChecker.Syncing() || ns.SyncChecker.Initialized() {
-		// Set header for REST API clients (via gRPC-gateway)
-		if err := grpc.SetHeader(ctx, metadata.Pairs("x-http-code", strconv.FormatUint(http.StatusPartialContent, 10))); err != nil {
-			return &empty.Empty{}, status.Errorf(codes.Internal, "Could not set status code header: %v", err)
+		if request.SyncingStatus != 0 {
+			// override the 200 success with the provided request status
+			if err := grpc.SetHeader(ctx, metadata.Pairs("x-http-code", strconv.FormatUint(request.SyncingStatus, 10))); err != nil {
+				return &empty.Empty{}, status.Errorf(codes.Internal, "Could not set custom success code header: %v", err)
+			}
+			return &empty.Empty{}, nil
 		}
-		return &empty.Empty{}, status.Error(codes.Unavailable, "node is syncing")
-	}
-	if isOptimistic {
-		// Set header for REST API clients (via gRPC-gateway)
 		if err := grpc.SetHeader(ctx, metadata.Pairs("x-http-code", strconv.FormatUint(http.StatusPartialContent, 10))); err != nil {
-			return &empty.Empty{}, status.Errorf(codes.Internal, "Could not set status code header: %v", err)
+			return &empty.Empty{}, status.Errorf(codes.Internal, "Could not set custom success code header: %v", err)
 		}
-		return &empty.Empty{}, status.Error(codes.Unavailable, "node is optimistic")
+		return &empty.Empty{}, nil
 	}
 	return &empty.Empty{}, status.Errorf(codes.Unavailable, "service unavailable")
 }

beacon-chain/rpc/prysm/v1alpha1/node/server_test.go

@@ -2,7 +2,6 @@ package node
 
 import (
 	"errors"
-	"maps"
 	"testing"
 	"time"
 
@@ -22,7 +21,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"google.golang.org/grpc"
-	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/protobuf/types/known/emptypb"
 	"google.golang.org/protobuf/types/known/timestamppb"
@@ -189,71 +187,32 @@ func TestNodeServer_GetETH1ConnectionStatus(t *testing.T) {
 	assert.Equal(t, errStr, res.CurrentConnectionError)
 }
 
-// mockServerTransportStream implements grpc.ServerTransportStream for testing
-type mockServerTransportStream struct {
-	headers map[string][]string
-}
-
-func (m *mockServerTransportStream) Method() string { return "" }
-func (m *mockServerTransportStream) SetHeader(md metadata.MD) error {
-	maps.Copy(m.headers, md)
-	return nil
-}
-func (m *mockServerTransportStream) SendHeader(metadata.MD) error { return nil }
-func (m *mockServerTransportStream) SetTrailer(metadata.MD) error { return nil }
-
 func TestNodeServer_GetHealth(t *testing.T) {
 	tests := []struct {
 		name         string
 		input        *mockSync.Sync
-		isOptimistic bool
+		customStatus uint64
 		wantedErr    string
 	}{
 		{
-			name:         "happy path - synced and not optimistic",
-			input:        &mockSync.Sync{IsSyncing: false, IsSynced: true},
-			isOptimistic: false,
+			name:  "happy path",
+			input: &mockSync.Sync{IsSyncing: false, IsSynced: true},
 		},
 		{
-			name:         "returns error when not synced and not syncing",
-			input:        &mockSync.Sync{IsSyncing: false, IsSynced: false},
-			isOptimistic: false,
-			wantedErr:    "service unavailable",
-		},
-		{
-			name:         "returns error when syncing",
-			input:        &mockSync.Sync{IsSyncing: true, IsSynced: false},
-			isOptimistic: false,
-			wantedErr:    "node is syncing",
-		},
-		{
-			name:         "returns error when synced but optimistic",
-			input:        &mockSync.Sync{IsSyncing: false, IsSynced: true},
-			isOptimistic: true,
-			wantedErr:    "node is optimistic",
-		},
-		{
-			name:         "returns error when syncing and optimistic",
-			input:        &mockSync.Sync{IsSyncing: true, IsSynced: false},
-			isOptimistic: true,
-			wantedErr:    "node is syncing",
+			name:      "syncing",
+			input:     &mockSync.Sync{IsSyncing: false},
+			wantedErr: "service unavailable",
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			server := grpc.NewServer()
 			ns := &Server{
-				SyncChecker:           tt.input,
-				OptimisticModeFetcher: &mock.ChainService{Optimistic: tt.isOptimistic},
+				SyncChecker: tt.input,
 			}
 			ethpb.RegisterNodeServer(server, ns)
 			reflection.Register(server)
-
-			// Create context with mock transport stream so grpc.SetHeader works
-			stream := &mockServerTransportStream{headers: make(map[string][]string)}
-			ctx := grpc.NewContextWithServerTransportStream(t.Context(), stream)
-
-			_, err := ns.GetHealth(ctx, &ethpb.HealthRequest{})
+			_, err := ns.GetHealth(t.Context(), &ethpb.HealthRequest{SyncingStatus: tt.customStatus})
 			if tt.wantedErr == "" {
 				require.NoError(t, err)
 				return

beacon-chain/rpc/service.go

@@ -259,19 +259,18 @@ func NewService(ctx context.Context, cfg *Config) *Service {
 	}
 	s.validatorServer = validatorServer
 	nodeServer := &nodev1alpha1.Server{
-		LogsStreamer:          logs.NewStreamServer(),
-		StreamLogsBufferSize:  1000, // Enough to handle bursts of beacon node logs for gRPC streaming.
-		BeaconDB:              s.cfg.BeaconDB,
-		Server:                s.grpcServer,
-		SyncChecker:           s.cfg.SyncService,
-		GenesisTimeFetcher:    s.cfg.GenesisTimeFetcher,
-		PeersFetcher:          s.cfg.PeersFetcher,
-		PeerManager:           s.cfg.PeerManager,
-		GenesisFetcher:        s.cfg.GenesisFetcher,
-		POWChainInfoFetcher:   s.cfg.ExecutionChainInfoFetcher,
-		BeaconMonitoringHost:  s.cfg.BeaconMonitoringHost,
-		BeaconMonitoringPort:  s.cfg.BeaconMonitoringPort,
-		OptimisticModeFetcher: s.cfg.OptimisticModeFetcher,
+		LogsStreamer:         logs.NewStreamServer(),
+		StreamLogsBufferSize: 1000, // Enough to handle bursts of beacon node logs for gRPC streaming.
+		BeaconDB:             s.cfg.BeaconDB,
+		Server:               s.grpcServer,
+		SyncChecker:          s.cfg.SyncService,
+		GenesisTimeFetcher:   s.cfg.GenesisTimeFetcher,
+		PeersFetcher:         s.cfg.PeersFetcher,
+		PeerManager:          s.cfg.PeerManager,
+		GenesisFetcher:       s.cfg.GenesisFetcher,
+		POWChainInfoFetcher:  s.cfg.ExecutionChainInfoFetcher,
+		BeaconMonitoringHost: s.cfg.BeaconMonitoringHost,
+		BeaconMonitoringPort: s.cfg.BeaconMonitoringPort,
 	}
 	beaconChainServer := &beaconv1alpha1.Server{
 		Ctx:                         s.ctx,

beacon-chain/rpc/testutil/mock_blocker.go

@@ -15,7 +15,6 @@ import (
 // MockBlocker is a fake implementation of lookup.Blocker.
 type MockBlocker struct {
 	BlockToReturn            interfaces.ReadOnlySignedBeaconBlock
-	RootToReturn             [32]byte
 	ErrorToReturn            error
 	SlotBlockMap             map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock
 	RootBlockMap             map[[32]byte]interfaces.ReadOnlySignedBeaconBlock
@@ -40,14 +39,6 @@ func (m *MockBlocker) Block(_ context.Context, b []byte) (interfaces.ReadOnlySig
 	return m.SlotBlockMap[primitives.Slot(slotNumber)], nil
 }
 
-// BlockRoot --
-func (m *MockBlocker) BlockRoot(_ context.Context, _ []byte) ([32]byte, error) {
-	if m.ErrorToReturn != nil {
-		return [32]byte{}, m.ErrorToReturn
-	}
-	return m.RootToReturn, nil
-}
-
 // BlobSidecars --
 func (*MockBlocker) BlobSidecars(_ context.Context, _ string, _ ...options.BlobsOption) ([]*blocks.VerifiedROBlob, *core.RpcError) {
 	return nil, &core.RpcError{}

beacon-chain/state/interfaces_gloas.go

@@ -9,10 +9,6 @@ import (
 type writeOnlyGloasFields interface {
 	SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid) error
 	SetBuilderPendingPayment(index primitives.Slot, payment *ethpb.BuilderPendingPayment) error
-	ClearBuilderPendingPayment(index primitives.Slot) error
-	RotateBuilderPendingPayments() error
-	AppendBuilderPendingWithdrawals([]*ethpb.BuilderPendingWithdrawal) error
-	UpdateExecutionPayloadAvailabilityAtIndex(idx uint64, val byte) error
 }
 
 type readOnlyGloasFields interface {
@@ -20,5 +16,4 @@ type readOnlyGloasFields interface {
 	IsActiveBuilder(primitives.BuilderIndex) (bool, error)
 	CanBuilderCoverBid(primitives.BuilderIndex, primitives.Gwei) (bool, error)
 	LatestBlockHash() ([32]byte, error)
-	BuilderPendingPayments() ([]*ethpb.BuilderPendingPayment, error)
 }

beacon-chain/state/state-native/getters_gloas.go

@@ -135,15 +135,3 @@ func (b *BeaconState) builderPendingBalanceToWithdraw(builderIndex primitives.Bu
 	}
 	return total
 }
-
-// BuilderPendingPayments returns a copy of the builder pending payments.
-func (b *BeaconState) BuilderPendingPayments() ([]*ethpb.BuilderPendingPayment, error) {
-	if b.version < version.Gloas {
-		return nil, errNotSupported("BuilderPendingPayments", b.version)
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	return b.builderPendingPaymentsVal(), nil
-}

beacon-chain/state/state-native/getters_gloas_test.go

@@ -157,12 +157,3 @@ func TestBuilderHelpers(t *testing.T) {
 		require.Equal(t, false, ok)
 	})
 }
-
-func TestBuilderPendingPayments_UnsupportedVersion(t *testing.T) {
-	stIface, err := state_native.InitializeFromProtoElectra(&ethpb.BeaconStateElectra{})
-	require.NoError(t, err)
-	st := stIface.(*state_native.BeaconState)
-
-	_, err = st.BuilderPendingPayments()
-	require.ErrorContains(t, "BuilderPendingPayments", err)
-}

beacon-chain/state/state-native/getters_state.go

@@ -725,13 +725,3 @@ func ProtobufBeaconStateFulu(s any) (*ethpb.BeaconStateFulu, error) {
 	}
 	return pbState, nil
 }
-
-// ProtobufBeaconStateGloas transforms an input into beacon state Gloas in the form of protobuf.
-// Error is returned if the input is not type protobuf beacon state.
-func ProtobufBeaconStateGloas(s any) (*ethpb.BeaconStateGloas, error) {
-	pbState, ok := s.(*ethpb.BeaconStateGloas)
-	if !ok {
-		return nil, errors.New("input is not type pb.BeaconStateGloas")
-	}
-	return pbState, nil
-}

beacon-chain/state/state-native/getters_withdrawal.go

@@ -113,100 +113,77 @@ func (b *BeaconState) ExpectedWithdrawals() ([]*enginev1.Withdrawal, uint64, err
 	defer b.lock.RUnlock()
 
 	withdrawals := make([]*enginev1.Withdrawal, 0, params.BeaconConfig().MaxWithdrawalsPerPayload)
-	withdrawalIndex := b.nextWithdrawalIndex
-
-	withdrawalIndex, processedPartialWithdrawalsCount, err := b.appendPendingPartialWithdrawals(withdrawalIndex, &withdrawals)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	err = b.appendValidatorsSweepWithdrawals(withdrawalIndex, &withdrawals)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	return withdrawals, processedPartialWithdrawalsCount, nil
-}
-
-func (b *BeaconState) appendPendingPartialWithdrawals(withdrawalIndex uint64, withdrawals *[]*enginev1.Withdrawal) (uint64, uint64, error) {
-	if b.version < version.Electra {
-		return withdrawalIndex, 0, nil
-	}
-
-	ws := *withdrawals
-	epoch := slots.ToEpoch(b.slot)
-	var processedPartialWithdrawalsCount uint64
-	for _, w := range b.pendingPartialWithdrawals {
-		if w.WithdrawableEpoch > epoch || len(ws) >= int(params.BeaconConfig().MaxPendingPartialsPerWithdrawalsSweep) {
-			break
-		}
-
-		v, err := b.validatorAtIndexReadOnly(w.Index)
-		if err != nil {
-			return withdrawalIndex, 0, fmt.Errorf("failed to determine withdrawals at index %d: %w", w.Index, err)
-		}
-		vBal, err := b.balanceAtIndex(w.Index)
-		if err != nil {
-			return withdrawalIndex, 0, fmt.Errorf("could not retrieve balance at index %d: %w", w.Index, err)
-		}
-		hasSufficientEffectiveBalance := v.EffectiveBalance() >= params.BeaconConfig().MinActivationBalance
-		var totalWithdrawn uint64
-		for _, wi := range ws {
-			if wi.ValidatorIndex == w.Index {
-				totalWithdrawn += wi.Amount
-			}
-		}
-		balance, err := mathutil.Sub64(vBal, totalWithdrawn)
-		if err != nil {
-			return withdrawalIndex, 0, errors.Wrapf(err, "failed to subtract balance %d with total withdrawn %d", vBal, totalWithdrawn)
-		}
-		hasExcessBalance := balance > params.BeaconConfig().MinActivationBalance
-		if v.ExitEpoch() == params.BeaconConfig().FarFutureEpoch && hasSufficientEffectiveBalance && hasExcessBalance {
-			amount := min(balance-params.BeaconConfig().MinActivationBalance, w.Amount)
-			ws = append(ws, &enginev1.Withdrawal{
-				Index:          withdrawalIndex,
-				ValidatorIndex: w.Index,
-				Address:        v.GetWithdrawalCredentials()[12:],
-				Amount:         amount,
-			})
-			withdrawalIndex++
-		}
-		processedPartialWithdrawalsCount++
-	}
-
-	*withdrawals = ws
-	return withdrawalIndex, processedPartialWithdrawalsCount, nil
-}
-
-func (b *BeaconState) appendValidatorsSweepWithdrawals(withdrawalIndex uint64, withdrawals *[]*enginev1.Withdrawal) error {
-	ws := *withdrawals
 	validatorIndex := b.nextWithdrawalValidatorIndex
-	validatorsLen := b.validatorsLen()
+	withdrawalIndex := b.nextWithdrawalIndex
 	epoch := slots.ToEpoch(b.slot)
+
+	// Electra partial withdrawals functionality.
+	var processedPartialWithdrawalsCount uint64
+	if b.version >= version.Electra {
+		for _, w := range b.pendingPartialWithdrawals {
+			if w.WithdrawableEpoch > epoch || len(withdrawals) >= int(params.BeaconConfig().MaxPendingPartialsPerWithdrawalsSweep) {
+				break
+			}
+
+			v, err := b.validatorAtIndexReadOnly(w.Index)
+			if err != nil {
+				return nil, 0, fmt.Errorf("failed to determine withdrawals at index %d: %w", w.Index, err)
+			}
+			vBal, err := b.balanceAtIndex(w.Index)
+			if err != nil {
+				return nil, 0, fmt.Errorf("could not retrieve balance at index %d: %w", w.Index, err)
+			}
+			hasSufficientEffectiveBalance := v.EffectiveBalance() >= params.BeaconConfig().MinActivationBalance
+			var totalWithdrawn uint64
+			for _, wi := range withdrawals {
+				if wi.ValidatorIndex == w.Index {
+					totalWithdrawn += wi.Amount
+				}
+			}
+			balance, err := mathutil.Sub64(vBal, totalWithdrawn)
+			if err != nil {
+				return nil, 0, errors.Wrapf(err, "failed to subtract balance %d with total withdrawn %d", vBal, totalWithdrawn)
+			}
+			hasExcessBalance := balance > params.BeaconConfig().MinActivationBalance
+			if v.ExitEpoch() == params.BeaconConfig().FarFutureEpoch && hasSufficientEffectiveBalance && hasExcessBalance {
+				amount := min(balance-params.BeaconConfig().MinActivationBalance, w.Amount)
+				withdrawals = append(withdrawals, &enginev1.Withdrawal{
+					Index:          withdrawalIndex,
+					ValidatorIndex: w.Index,
+					Address:        v.GetWithdrawalCredentials()[12:],
+					Amount:         amount,
+				})
+				withdrawalIndex++
+			}
+			processedPartialWithdrawalsCount++
+		}
+	}
+
+	validatorsLen := b.validatorsLen()
 	bound := min(uint64(validatorsLen), params.BeaconConfig().MaxValidatorsPerWithdrawalsSweep)
 	for range bound {
 		val, err := b.validatorAtIndexReadOnly(validatorIndex)
 		if err != nil {
-			return errors.Wrapf(err, "could not retrieve validator at index %d", validatorIndex)
+			return nil, 0, errors.Wrapf(err, "could not retrieve validator at index %d", validatorIndex)
 		}
 		balance, err := b.balanceAtIndex(validatorIndex)
 		if err != nil {
-			return errors.Wrapf(err, "could not retrieve balance at index %d", validatorIndex)
+			return nil, 0, errors.Wrapf(err, "could not retrieve balance at index %d", validatorIndex)
 		}
 		if b.version >= version.Electra {
 			var partiallyWithdrawnBalance uint64
-			for _, w := range ws {
+			for _, w := range withdrawals {
 				if w.ValidatorIndex == validatorIndex {
 					partiallyWithdrawnBalance += w.Amount
 				}
 			}
 			balance, err = mathutil.Sub64(balance, partiallyWithdrawnBalance)
 			if err != nil {
-				return errors.Wrapf(err, "could not subtract balance %d with partial withdrawn balance %d", balance, partiallyWithdrawnBalance)
+				return nil, 0, errors.Wrapf(err, "could not subtract balance %d with partial withdrawn balance %d", balance, partiallyWithdrawnBalance)
 			}
 		}
 		if helpers.IsFullyWithdrawableValidator(val, balance, epoch, b.version) {
-			ws = append(ws, &enginev1.Withdrawal{
+			withdrawals = append(withdrawals, &enginev1.Withdrawal{
 				Index:          withdrawalIndex,
 				ValidatorIndex: validatorIndex,
 				Address:        bytesutil.SafeCopyBytes(val.GetWithdrawalCredentials()[ETH1AddressOffset:]),
@@ -214,7 +191,7 @@ func (b *BeaconState) appendValidatorsSweepWithdrawals(withdrawalIndex uint64, w
 			})
 			withdrawalIndex++
 		} else if helpers.IsPartiallyWithdrawableValidator(val, balance, epoch, b.version) {
-			ws = append(ws, &enginev1.Withdrawal{
+			withdrawals = append(withdrawals, &enginev1.Withdrawal{
 				Index:          withdrawalIndex,
 				ValidatorIndex: validatorIndex,
 				Address:        bytesutil.SafeCopyBytes(val.GetWithdrawalCredentials()[ETH1AddressOffset:]),
@@ -222,7 +199,7 @@ func (b *BeaconState) appendValidatorsSweepWithdrawals(withdrawalIndex uint64, w
 			})
 			withdrawalIndex++
 		}
-		if uint64(len(ws)) == params.BeaconConfig().MaxWithdrawalsPerPayload {
+		if uint64(len(withdrawals)) == params.BeaconConfig().MaxWithdrawalsPerPayload {
 			break
 		}
 		validatorIndex += 1
@@ -231,8 +208,7 @@ func (b *BeaconState) appendValidatorsSweepWithdrawals(withdrawalIndex uint64, w
 		}
 	}
 
-	*withdrawals = ws
-	return nil
+	return withdrawals, processedPartialWithdrawalsCount, nil
 }
 
 func (b *BeaconState) PendingPartialWithdrawals() ([]*ethpb.PendingPartialWithdrawal, error) {

beacon-chain/state/state-native/setters_gloas.go

@@ -4,71 +4,12 @@ import (
 	"fmt"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/stateutil"
-	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 )
 
-// RotateBuilderPendingPayments rotates the queue by dropping slots per epoch payments from the
-// front and appending slots per epoch empty payments to the end.
-// This implements: state.builder_pending_payments = state.builder_pending_payments[SLOTS_PER_EPOCH:] + [BuilderPendingPayment() for _ in range(SLOTS_PER_EPOCH)]
-func (b *BeaconState) RotateBuilderPendingPayments() error {
-	if b.version < version.Gloas {
-		return errNotSupported("RotateBuilderPendingPayments", b.version)
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	copy(b.builderPendingPayments[:slotsPerEpoch], b.builderPendingPayments[slotsPerEpoch:2*slotsPerEpoch])
-
-	for i := slotsPerEpoch; i < primitives.Slot(len(b.builderPendingPayments)); i++ {
-		b.builderPendingPayments[i] = emptyBuilderPendingPayment
-	}
-
-	b.markFieldAsDirty(types.BuilderPendingPayments)
-	b.rebuildTrie[types.BuilderPendingPayments] = true
-	return nil
-}
-
-// emptyBuilderPendingPayment is a shared zero-value payment used to clear entries.
-var emptyBuilderPendingPayment = &ethpb.BuilderPendingPayment{
-	Withdrawal: &ethpb.BuilderPendingWithdrawal{
-		FeeRecipient: make([]byte, 20),
-	},
-}
-
-// AppendBuilderPendingWithdrawals appends builder pending withdrawals to the beacon state.
-// If the withdrawals slice is shared, it copies the slice first to preserve references.
-func (b *BeaconState) AppendBuilderPendingWithdrawals(withdrawals []*ethpb.BuilderPendingWithdrawal) error {
-	if b.version < version.Gloas {
-		return errNotSupported("AppendBuilderPendingWithdrawals", b.version)
-	}
-
-	if len(withdrawals) == 0 {
-		return nil
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	pendingWithdrawals := b.builderPendingWithdrawals
-	if b.sharedFieldReferences[types.BuilderPendingWithdrawals].Refs() > 1 {
-		pendingWithdrawals = make([]*ethpb.BuilderPendingWithdrawal, 0, len(b.builderPendingWithdrawals)+len(withdrawals))
-		pendingWithdrawals = append(pendingWithdrawals, b.builderPendingWithdrawals...)
-		b.sharedFieldReferences[types.BuilderPendingWithdrawals].MinusRef()
-		b.sharedFieldReferences[types.BuilderPendingWithdrawals] = stateutil.NewRef(1)
-	}
-
-	b.builderPendingWithdrawals = append(pendingWithdrawals, withdrawals...)
-	b.markFieldAsDirty(types.BuilderPendingWithdrawals)
-	return nil
-}
-
 // SetExecutionPayloadBid sets the latest execution payload bid in the state.
 func (b *BeaconState) SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid) error {
 	if b.version < version.Gloas {
@@ -102,25 +43,6 @@ func (b *BeaconState) SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid)
 	return nil
 }
 
-// ClearBuilderPendingPayment clears a builder pending payment at the specified index.
-func (b *BeaconState) ClearBuilderPendingPayment(index primitives.Slot) error {
-	if b.version < version.Gloas {
-		return errNotSupported("ClearBuilderPendingPayment", b.version)
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	if uint64(index) >= uint64(len(b.builderPendingPayments)) {
-		return fmt.Errorf("builder pending payments index %d out of range (len=%d)", index, len(b.builderPendingPayments))
-	}
-
-	b.builderPendingPayments[index] = emptyBuilderPendingPayment
-
-	b.markFieldAsDirty(types.BuilderPendingPayments)
-	return nil
-}
-
 // SetBuilderPendingPayment sets a builder pending payment at the specified index.
 func (b *BeaconState) SetBuilderPendingPayment(index primitives.Slot, payment *ethpb.BuilderPendingPayment) error {
 	if b.version < version.Gloas {
@@ -139,25 +61,3 @@ func (b *BeaconState) SetBuilderPendingPayment(index primitives.Slot, payment *e
 	b.markFieldAsDirty(types.BuilderPendingPayments)
 	return nil
 }
-
-// UpdateExecutionPayloadAvailabilityAtIndex updates the execution payload availability bit at a specific index.
-func (b *BeaconState) UpdateExecutionPayloadAvailabilityAtIndex(idx uint64, val byte) error {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	byteIndex := idx / 8
-	bitIndex := idx % 8
-
-	if byteIndex >= uint64(len(b.executionPayloadAvailability)) {
-		return fmt.Errorf("bit index %d (byte index %d) out of range for execution payload availability length %d", idx, byteIndex, len(b.executionPayloadAvailability))
-	}
-
-	if val != 0 {
-		b.executionPayloadAvailability[byteIndex] |= (1 << bitIndex)
-	} else {
-		b.executionPayloadAvailability[byteIndex] &^= (1 << bitIndex)
-	}
-
-	b.markFieldAsDirty(types.ExecutionPayloadAvailability)
-	return nil
-}

beacon-chain/state/state-native/setters_gloas_test.go

@@ -5,8 +5,6 @@ import (
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/stateutil"
-	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
@@ -140,191 +138,3 @@ func TestSetBuilderPendingPayment(t *testing.T) {
 		require.Equal(t, false, st.dirtyFields[types.BuilderPendingPayments])
 	})
 }
-
-func TestClearBuilderPendingPayment(t *testing.T) {
-	t.Run("previous fork returns expected error", func(t *testing.T) {
-		st := &BeaconState{version: version.Fulu}
-		err := st.ClearBuilderPendingPayment(0)
-		require.ErrorContains(t, "is not supported", err)
-	})
-
-	t.Run("clears and marks dirty", func(t *testing.T) {
-		st := &BeaconState{
-			version:                version.Gloas,
-			dirtyFields:            make(map[types.FieldIndex]bool),
-			builderPendingPayments: make([]*ethpb.BuilderPendingPayment, 2),
-		}
-		st.builderPendingPayments[1] = &ethpb.BuilderPendingPayment{
-			Weight: 2,
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				Amount:       99,
-				BuilderIndex: 1,
-			},
-		}
-
-		require.NoError(t, st.ClearBuilderPendingPayment(1))
-		require.Equal(t, emptyBuilderPendingPayment, st.builderPendingPayments[1])
-		require.Equal(t, true, st.dirtyFields[types.BuilderPendingPayments])
-	})
-
-	t.Run("returns error on out of range index", func(t *testing.T) {
-		st := &BeaconState{
-			version:                version.Gloas,
-			dirtyFields:            make(map[types.FieldIndex]bool),
-			builderPendingPayments: make([]*ethpb.BuilderPendingPayment, 1),
-		}
-
-		err := st.ClearBuilderPendingPayment(2)
-
-		require.ErrorContains(t, "out of range", err)
-		require.Equal(t, false, st.dirtyFields[types.BuilderPendingPayments])
-	})
-}
-
-func TestRotateBuilderPendingPayments(t *testing.T) {
-	totalPayments := 2 * params.BeaconConfig().SlotsPerEpoch
-	payments := make([]*ethpb.BuilderPendingPayment, totalPayments)
-	for i := range payments {
-		idx := uint64(i)
-		payments[i] = &ethpb.BuilderPendingPayment{
-			Weight: primitives.Gwei(idx * 100e9),
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				FeeRecipient: make([]byte, 20),
-				Amount:       primitives.Gwei(idx * 1e9),
-				BuilderIndex: primitives.BuilderIndex(idx + 100),
-			},
-		}
-	}
-
-	statePb, err := InitializeFromProtoUnsafeGloas(&ethpb.BeaconStateGloas{
-		BuilderPendingPayments: payments,
-	})
-	require.NoError(t, err)
-	st, ok := statePb.(*BeaconState)
-	require.Equal(t, true, ok)
-
-	oldPayments, err := st.BuilderPendingPayments()
-	require.NoError(t, err)
-	require.NoError(t, st.RotateBuilderPendingPayments())
-
-	newPayments, err := st.BuilderPendingPayments()
-	require.NoError(t, err)
-	slotsPerEpoch := int(params.BeaconConfig().SlotsPerEpoch)
-	for i := range slotsPerEpoch {
-		require.DeepEqual(t, oldPayments[slotsPerEpoch+i], newPayments[i])
-	}
-
-	for i := slotsPerEpoch; i < 2*slotsPerEpoch; i++ {
-		payment := newPayments[i]
-		require.Equal(t, primitives.Gwei(0), payment.Weight)
-		require.Equal(t, 20, len(payment.Withdrawal.FeeRecipient))
-		require.Equal(t, primitives.Gwei(0), payment.Withdrawal.Amount)
-		require.Equal(t, primitives.BuilderIndex(0), payment.Withdrawal.BuilderIndex)
-	}
-}
-
-func TestRotateBuilderPendingPayments_UnsupportedVersion(t *testing.T) {
-	st := &BeaconState{version: version.Electra}
-	err := st.RotateBuilderPendingPayments()
-	require.ErrorContains(t, "RotateBuilderPendingPayments", err)
-}
-
-func TestAppendBuilderPendingWithdrawal_CopyOnWrite(t *testing.T) {
-	wd := &ethpb.BuilderPendingWithdrawal{
-		FeeRecipient: make([]byte, 20),
-		Amount:       1,
-		BuilderIndex: 2,
-	}
-	statePb, err := InitializeFromProtoUnsafeGloas(&ethpb.BeaconStateGloas{
-		BuilderPendingWithdrawals: []*ethpb.BuilderPendingWithdrawal{wd},
-	})
-	require.NoError(t, err)
-
-	st, ok := statePb.(*BeaconState)
-	require.Equal(t, true, ok)
-
-	copied := st.Copy().(*BeaconState)
-	require.Equal(t, uint(2), st.sharedFieldReferences[types.BuilderPendingWithdrawals].Refs())
-
-	appended := &ethpb.BuilderPendingWithdrawal{
-		FeeRecipient: make([]byte, 20),
-		Amount:       4,
-		BuilderIndex: 5,
-	}
-	require.NoError(t, copied.AppendBuilderPendingWithdrawals([]*ethpb.BuilderPendingWithdrawal{appended}))
-
-	require.Equal(t, 1, len(st.builderPendingWithdrawals))
-	require.Equal(t, 2, len(copied.builderPendingWithdrawals))
-	require.DeepEqual(t, wd, copied.builderPendingWithdrawals[0])
-	require.DeepEqual(t, appended, copied.builderPendingWithdrawals[1])
-	require.DeepEqual(t, wd, st.builderPendingWithdrawals[0])
-	require.Equal(t, uint(1), st.sharedFieldReferences[types.BuilderPendingWithdrawals].Refs())
-	require.Equal(t, uint(1), copied.sharedFieldReferences[types.BuilderPendingWithdrawals].Refs())
-}
-
-func TestAppendBuilderPendingWithdrawals(t *testing.T) {
-	st := &BeaconState{
-		version:     version.Gloas,
-		dirtyFields: make(map[types.FieldIndex]bool),
-		sharedFieldReferences: map[types.FieldIndex]*stateutil.Reference{
-			types.BuilderPendingWithdrawals: stateutil.NewRef(1),
-		},
-		builderPendingWithdrawals: make([]*ethpb.BuilderPendingWithdrawal, 0),
-	}
-
-	first := &ethpb.BuilderPendingWithdrawal{Amount: 1}
-	second := &ethpb.BuilderPendingWithdrawal{Amount: 2}
-	require.NoError(t, st.AppendBuilderPendingWithdrawals([]*ethpb.BuilderPendingWithdrawal{first, second}))
-
-	require.Equal(t, 2, len(st.builderPendingWithdrawals))
-	require.DeepEqual(t, first, st.builderPendingWithdrawals[0])
-	require.DeepEqual(t, second, st.builderPendingWithdrawals[1])
-	require.Equal(t, true, st.dirtyFields[types.BuilderPendingWithdrawals])
-}
-
-func TestAppendBuilderPendingWithdrawals_UnsupportedVersion(t *testing.T) {
-	st := &BeaconState{version: version.Electra}
-	err := st.AppendBuilderPendingWithdrawals([]*ethpb.BuilderPendingWithdrawal{{}})
-	require.ErrorContains(t, "AppendBuilderPendingWithdrawals", err)
-}
-
-func TestUpdateExecutionPayloadAvailabilityAtIndex_SetAndClear(t *testing.T) {
-	st := newGloasStateWithAvailability(t, make([]byte, 1024))
-
-	otherIdx := uint64(8) // byte 1, bit 0
-	idx := uint64(9)      // byte 1, bit 1
-
-	require.NoError(t, st.UpdateExecutionPayloadAvailabilityAtIndex(otherIdx, 1))
-	require.Equal(t, byte(0x01), st.executionPayloadAvailability[1])
-
-	require.NoError(t, st.UpdateExecutionPayloadAvailabilityAtIndex(idx, 1))
-	require.Equal(t, byte(0x03), st.executionPayloadAvailability[1])
-
-	require.NoError(t, st.UpdateExecutionPayloadAvailabilityAtIndex(idx, 0))
-	require.Equal(t, byte(0x01), st.executionPayloadAvailability[1])
-}
-
-func TestUpdateExecutionPayloadAvailabilityAtIndex_OutOfRange(t *testing.T) {
-	st := newGloasStateWithAvailability(t, make([]byte, 1024))
-
-	idx := uint64(len(st.executionPayloadAvailability)) * 8
-	err := st.UpdateExecutionPayloadAvailabilityAtIndex(idx, 1)
-	require.ErrorContains(t, "out of range", err)
-
-	for _, b := range st.executionPayloadAvailability {
-		if b != 0 {
-			t.Fatalf("execution payload availability mutated on error")
-		}
-	}
-}
-
-func newGloasStateWithAvailability(t *testing.T, availability []byte) *BeaconState {
-	t.Helper()
-
-	st, err := InitializeFromProtoUnsafeGloas(&ethpb.BeaconStateGloas{
-		ExecutionPayloadAvailability: availability,
-	})
-	require.NoError(t, err)
-
-	return st.(*BeaconState)
-}

beacon-chain/state/stategen/migrate.go

@@ -137,7 +137,7 @@ func (s *State) migrateToColdHdiff(ctx context.Context, fRoot [32]byte) error {
 		if ctx.Err() != nil {
 			return ctx.Err()
 		}
-		offset, lvl, err := s.beaconDB.SlotInDiffTree(slot)
+		_, lvl, err := s.beaconDB.SlotInDiffTree(slot)
 		if err != nil {
 			log.WithError(err).Errorf("could not determine if slot %d is in diff tree", slot)
 			continue
@@ -145,9 +145,6 @@ func (s *State) migrateToColdHdiff(ctx context.Context, fRoot [32]byte) error {
 		if lvl == -1 {
 			continue
 		}
-		if uint64(slot) == offset {
-			continue
-		}
 		// The state needs to be saved.
 		// Try the epoch boundary cache first.
 		cached, exists, err := s.epochBoundaryStateCache.getBySlot(slot)

beacon-chain/state/testing/BUILD.bazel

@@ -16,7 +16,7 @@ go_library(
         "//beacon-chain/state:__subpackages__",
     ],
     deps = [
-        "//beacon-chain/core/helpers:go_default_library",
+        "//beacon-chain/core/blocks:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//config/fieldparams:go_default_library",

beacon-chain/state/testing/generators.go

@@ -3,7 +3,7 @@ package testing
 import (
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
@@ -31,7 +31,7 @@ func GeneratePendingDeposit(t *testing.T, key common.SecretKey, amount uint64, w
 		Amount:                dm.Amount,
 		Signature:             sig.Marshal(),
 	}
-	valid, err := helpers.IsValidDepositSignature(depositData)
+	valid, err := blocks.IsValidDepositSignature(depositData)
 	require.NoError(t, err)
 	require.Equal(t, true, valid)
 	return &ethpb.PendingDeposit{

beacon-chain/sync/backfill/batch.go

@@ -148,7 +148,7 @@ func (b batch) ensureParent(expected [32]byte) error {
 func (b batch) blockRequest() *eth.BeaconBlocksByRangeRequest {
 	return &eth.BeaconBlocksByRangeRequest{
 		StartSlot: b.begin,
-		Count:     uint64(b.end.FlooredSubSlot(b.begin)),
+		Count:     uint64(b.end - b.begin),
 		Step:      1,
 	}
 }
@@ -156,7 +156,7 @@ func (b batch) blockRequest() *eth.BeaconBlocksByRangeRequest {
 func (b batch) blobRequest() *eth.BlobSidecarsByRangeRequest {
 	return &eth.BlobSidecarsByRangeRequest{
 		StartSlot: b.begin,
-		Count:     uint64(b.end.FlooredSubSlot(b.begin)),
+		Count:     uint64(b.end - b.begin),
 	}
 }
 

beacon-chain/sync/backfill/batch_test.go

@@ -10,93 +10,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-func TestBlockRequest(t *testing.T) {
-	cases := []struct {
-		name          string
-		begin         primitives.Slot
-		end           primitives.Slot
-		expectedCount uint64
-	}{
-		{
-			name:          "normal case",
-			begin:         100,
-			end:           200,
-			expectedCount: 100,
-		},
-		{
-			name:          "end equals begin",
-			begin:         100,
-			end:           100,
-			expectedCount: 0,
-		},
-		{
-			name:          "end less than begin (would underflow without check)",
-			begin:         200,
-			end:           100,
-			expectedCount: 0,
-		},
-		{
-			name:          "zero values",
-			begin:         0,
-			end:           0,
-			expectedCount: 0,
-		},
-		{
-			name:          "single slot",
-			begin:         0,
-			end:           1,
-			expectedCount: 1,
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			b := batch{begin: tc.begin, end: tc.end}
-			req := b.blockRequest()
-			require.Equal(t, tc.expectedCount, req.Count)
-			require.Equal(t, tc.begin, req.StartSlot)
-			require.Equal(t, uint64(1), req.Step)
-		})
-	}
-}
-
-func TestBlobRequest(t *testing.T) {
-	cases := []struct {
-		name          string
-		begin         primitives.Slot
-		end           primitives.Slot
-		expectedCount uint64
-	}{
-		{
-			name:          "normal case",
-			begin:         100,
-			end:           200,
-			expectedCount: 100,
-		},
-		{
-			name:          "end equals begin",
-			begin:         100,
-			end:           100,
-			expectedCount: 0,
-		},
-		{
-			name:          "end less than begin (would underflow without check)",
-			begin:         200,
-			end:           100,
-			expectedCount: 0,
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			b := batch{begin: tc.begin, end: tc.end}
-			req := b.blobRequest()
-			require.Equal(t, tc.expectedCount, req.Count)
-			require.Equal(t, tc.begin, req.StartSlot)
-		})
-	}
-}
-
 func TestSortBatchDesc(t *testing.T) {
 	orderIn := []primitives.Slot{100, 10000, 1}
 	orderOut := []primitives.Slot{10000, 100, 1}

beacon-chain/sync/batch_verifier.go

@@ -4,6 +4,9 @@ import (
 	"context"
 	"time"
 
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/peerdas"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/crypto/bls"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing"
@@ -53,6 +56,32 @@ func (s *Service) verifierRoutine() {
 	}
 }
 
+// A routine that runs in the background to perform batch
+// KZG verifications by draining the channel and processing all pending requests.
+func (s *Service) kzgVerifierRoutine() {
+	for {
+		kzgBatch := make([]*kzgVerifier, 0, 1)
+		select {
+		case <-s.ctx.Done():
+			return
+		case kzg := <-s.kzgChan:
+			kzgBatch = append(kzgBatch, kzg)
+		}
+		for {
+			select {
+			case <-s.ctx.Done():
+				return
+			case kzg := <-s.kzgChan:
+				kzgBatch = append(kzgBatch, kzg)
+				continue
+			default:
+				verifyKzgBatch(kzgBatch)
+			}
+			break
+		}
+	}
+}
+
 func (s *Service) validateWithBatchVerifier(ctx context.Context, message string, set *bls.SignatureBatch) (pubsub.ValidationResult, error) {
 	_, span := trace.StartSpan(ctx, "sync.validateWithBatchVerifier")
 	defer span.End()
@@ -125,3 +154,71 @@ func performBatchAggregation(aggSet *bls.SignatureBatch) (*bls.SignatureBatch, e
 	}
 	return aggSet, nil
 }
+
+func (s *Service) validateWithKzgBatchVerifier(ctx context.Context, dataColumns []blocks.RODataColumn) (pubsub.ValidationResult, error) {
+	_, span := trace.StartSpan(ctx, "sync.validateWithKzgBatchVerifier")
+	defer span.End()
+
+	timeout := time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second
+
+	resChan := make(chan error, 1)
+	verificationSet := &kzgVerifier{dataColumns: dataColumns, resChan: resChan}
+	ctx, cancel := context.WithTimeout(ctx, timeout)
+	defer cancel()
+
+	select {
+	case s.kzgChan <- verificationSet:
+	case <-ctx.Done():
+		return pubsub.ValidationIgnore, ctx.Err()
+	}
+
+	select {
+	case <-ctx.Done():
+		return pubsub.ValidationIgnore, ctx.Err() // parent context canceled, give up
+	case err := <-resChan:
+		if err != nil {
+			log.WithError(err).Trace("Could not perform batch verification")
+			tracing.AnnotateError(span, err)
+			return s.validateUnbatchedColumnsKzg(ctx, dataColumns)
+		}
+	}
+	return pubsub.ValidationAccept, nil
+}
+
+func (s *Service) validateUnbatchedColumnsKzg(ctx context.Context, columns []blocks.RODataColumn) (pubsub.ValidationResult, error) {
+	_, span := trace.StartSpan(ctx, "sync.validateUnbatchedColumnsKzg")
+	defer span.End()
+	start := time.Now()
+	if err := peerdas.VerifyDataColumnsSidecarKZGProofs(columns); err != nil {
+		err = errors.Wrap(err, "could not verify")
+		tracing.AnnotateError(span, err)
+		return pubsub.ValidationReject, err
+	}
+	verification.DataColumnBatchKZGVerificationHistogram.WithLabelValues("fallback").Observe(float64(time.Since(start).Milliseconds()))
+	return pubsub.ValidationAccept, nil
+}
+
+func verifyKzgBatch(kzgBatch []*kzgVerifier) {
+	if len(kzgBatch) == 0 {
+		return
+	}
+
+	allDataColumns := make([]blocks.RODataColumn, 0, len(kzgBatch))
+	for _, kzgVerifier := range kzgBatch {
+		allDataColumns = append(allDataColumns, kzgVerifier.dataColumns...)
+	}
+
+	var verificationErr error
+	start := time.Now()
+	err := peerdas.VerifyDataColumnsSidecarKZGProofs(allDataColumns)
+	if err != nil {
+		verificationErr = errors.Wrap(err, "batch KZG verification failed")
+	} else {
+		verification.DataColumnBatchKZGVerificationHistogram.WithLabelValues("batch").Observe(float64(time.Since(start).Milliseconds()))
+	}
+
+	// Send the same result to all verifiers in the batch
+	for _, verifier := range kzgBatch {
+		verifier.resChan <- verificationErr
+	}
+}

beacon-chain/sync/initial-sync/blocks_fetcher.go

@@ -668,7 +668,7 @@ func populateBlock(bw *blocks.BlockWithROSidecars, blobs []blocks.ROBlob, req *p
 
 func missingCommitError(root [32]byte, slot primitives.Slot, missing [][]byte) error {
 	missStr := make([]string, 0, len(missing))
-	for _, k := range missing {
+	for k := range missing {
 		missStr = append(missStr, fmt.Sprintf("%#x", k))
 	}
 	return errors.Wrapf(errMissingBlobsForBlockCommitments,

beacon-chain/sync/initial-sync/service.go

@@ -226,6 +226,8 @@ func (s *Service) Start() {
 
 // fetchOriginSidecars fetches origin sidecars
 func (s *Service) fetchOriginSidecars(peers []peer.ID) error {
+	const delay = 10 * time.Second // The delay between each attempt to fetch origin data column sidecars
+
 	blockRoot, err := s.cfg.DB.OriginCheckpointBlockRoot(s.ctx)
 	if errors.Is(err, db.ErrNotFoundOriginBlockRoot) {
 		return nil
@@ -258,7 +260,7 @@ func (s *Service) fetchOriginSidecars(peers []peer.ID) error {
 	blockVersion := roBlock.Version()
 
 	if blockVersion >= version.Fulu {
-		if err := s.fetchOriginDataColumnSidecars(roBlock); err != nil {
+		if err := s.fetchOriginDataColumnSidecars(roBlock, delay); err != nil {
 			return errors.Wrap(err, "fetch origin columns")
 		}
 		return nil
@@ -412,7 +414,7 @@ func (s *Service) fetchOriginBlobSidecars(pids []peer.ID, rob blocks.ROBlock) er
 	return fmt.Errorf("no connected peer able to provide blobs for checkpoint sync block %#x", r)
 }
 
-func (s *Service) fetchOriginDataColumnSidecars(roBlock blocks.ROBlock) error {
+func (s *Service) fetchOriginDataColumnSidecars(roBlock blocks.ROBlock, delay time.Duration) error {
 	const (
 		errorMessage     = "Failed to fetch origin data column sidecars"
 		warningIteration = 10
@@ -499,6 +501,7 @@ func (s *Service) fetchOriginDataColumnSidecars(roBlock blocks.ROBlock) error {
 		log := log.WithFields(logrus.Fields{
 			"attempt":        attempt,
 			"missingIndices": helpers.SortedPrettySliceFromMap(missingIndicesByRoot[root]),
+			"delay":          delay,
 		})
 
 		logFunc := log.Debug
@@ -507,6 +510,13 @@ func (s *Service) fetchOriginDataColumnSidecars(roBlock blocks.ROBlock) error {
 		}
 
 		logFunc("Failed to fetch some origin data column sidecars, retrying later")
+
+		// Wait before retrying, respecting context cancellation.
+		select {
+		case <-s.ctx.Done():
+			return s.ctx.Err()
+		case <-time.After(delay):
+		}
 	}
 }
 

beacon-chain/sync/initial-sync/service_test.go

@@ -687,7 +687,10 @@ func TestFetchOriginColumns(t *testing.T) {
 	cfg.BlobSchedule = []params.BlobScheduleEntry{{Epoch: 0, MaxBlobsPerBlock: 10}}
 	params.OverrideBeaconConfig(cfg)
 
-	const blobCount = 1
+	const (
+		delay     = 0
+		blobCount = 1
+	)
 
 	t.Run("block has no commitments", func(t *testing.T) {
 		service := new(Service)
@@ -699,7 +702,7 @@ func TestFetchOriginColumns(t *testing.T) {
 		roBlock, err := blocks.NewROBlock(signedBlock)
 		require.NoError(t, err)
 
-		err = service.fetchOriginDataColumnSidecars(roBlock)
+		err = service.fetchOriginDataColumnSidecars(roBlock, delay)
 		require.NoError(t, err)
 	})
 
@@ -721,7 +724,7 @@ func TestFetchOriginColumns(t *testing.T) {
 		err := storage.Save(verifiedSidecars)
 		require.NoError(t, err)
 
-		err = service.fetchOriginDataColumnSidecars(roBlock)
+		err = service.fetchOriginDataColumnSidecars(roBlock, delay)
 		require.NoError(t, err)
 	})
 
@@ -826,7 +829,7 @@ func TestFetchOriginColumns(t *testing.T) {
 			attempt++
 		})
 
-		err = service.fetchOriginDataColumnSidecars(roBlock)
+		err = service.fetchOriginDataColumnSidecars(roBlock, delay)
 		require.NoError(t, err)
 
 		// Check all corresponding sidecars are saved in the store.

beacon-chain/sync/kzg_batch_verifier_test.go

@@ -1,14 +1,339 @@
 package sync
 
 import (
+	"context"
+	"sync"
 	"testing"
+	"time"
 
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/kzg"
+	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/assert"
 	"github.com/OffchainLabs/prysm/v7/testing/require"
 	"github.com/OffchainLabs/prysm/v7/testing/util"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
 )
 
+func TestValidateWithKzgBatchVerifier(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	tests := []struct {
+		name           string
+		dataColumns    []blocks.RODataColumn
+		expectedResult pubsub.ValidationResult
+		expectError    bool
+	}{
+		{
+			name:           "single valid data column",
+			dataColumns:    createValidTestDataColumns(t, 1),
+			expectedResult: pubsub.ValidationAccept,
+			expectError:    false,
+		},
+		{
+			name:           "multiple valid data columns",
+			dataColumns:    createValidTestDataColumns(t, 3),
+			expectedResult: pubsub.ValidationAccept,
+			expectError:    false,
+		},
+		{
+			name:           "single invalid data column",
+			dataColumns:    createInvalidTestDataColumns(t, 1),
+			expectedResult: pubsub.ValidationReject,
+			expectError:    true,
+		},
+		{
+			name:           "empty data column slice",
+			dataColumns:    []blocks.RODataColumn{},
+			expectedResult: pubsub.ValidationAccept,
+			expectError:    false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ctx := t.Context()
+
+			service := &Service{
+				ctx:     ctx,
+				kzgChan: make(chan *kzgVerifier, 100),
+			}
+			go service.kzgVerifierRoutine()
+
+			result, err := service.validateWithKzgBatchVerifier(ctx, tt.dataColumns)
+
+			require.Equal(t, tt.expectedResult, result)
+			if tt.expectError {
+				assert.NotNil(t, err)
+			} else {
+				assert.NoError(t, err)
+			}
+		})
+	}
+}
+
+func TestVerifierRoutine(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	t.Run("processes single request", func(t *testing.T) {
+		ctx := t.Context()
+
+		service := &Service{
+			ctx:     ctx,
+			kzgChan: make(chan *kzgVerifier, 100),
+		}
+		go service.kzgVerifierRoutine()
+
+		dataColumns := createValidTestDataColumns(t, 1)
+		resChan := make(chan error, 1)
+		service.kzgChan <- &kzgVerifier{dataColumns: dataColumns, resChan: resChan}
+
+		select {
+		case err := <-resChan:
+			require.NoError(t, err)
+		case <-time.After(time.Second):
+			t.Fatal("timeout waiting for verification result")
+		}
+	})
+
+	t.Run("batches multiple requests", func(t *testing.T) {
+		ctx := t.Context()
+
+		service := &Service{
+			ctx:     ctx,
+			kzgChan: make(chan *kzgVerifier, 100),
+		}
+		go service.kzgVerifierRoutine()
+
+		const numRequests = 5
+		resChans := make([]chan error, numRequests)
+
+		for i := range numRequests {
+			dataColumns := createValidTestDataColumns(t, 1)
+			resChan := make(chan error, 1)
+			resChans[i] = resChan
+			service.kzgChan <- &kzgVerifier{dataColumns: dataColumns, resChan: resChan}
+		}
+
+		for i := range numRequests {
+			select {
+			case err := <-resChans[i]:
+				require.NoError(t, err)
+			case <-time.After(time.Second):
+				t.Fatalf("timeout waiting for verification result %d", i)
+			}
+		}
+	})
+
+	t.Run("context cancellation stops routine", func(t *testing.T) {
+		ctx, cancel := context.WithCancel(context.Background())
+
+		service := &Service{
+			ctx:     ctx,
+			kzgChan: make(chan *kzgVerifier, 100),
+		}
+
+		routineDone := make(chan struct{})
+		go func() {
+			service.kzgVerifierRoutine()
+			close(routineDone)
+		}()
+
+		cancel()
+
+		select {
+		case <-routineDone:
+		case <-time.After(time.Second):
+			t.Fatal("timeout waiting for routine to exit")
+		}
+	})
+}
+
+func TestVerifyKzgBatch(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	t.Run("all valid data columns succeed", func(t *testing.T) {
+		dataColumns := createValidTestDataColumns(t, 3)
+		resChan := make(chan error, 1)
+		kzgVerifiers := []*kzgVerifier{{dataColumns: dataColumns, resChan: resChan}}
+
+		verifyKzgBatch(kzgVerifiers)
+
+		select {
+		case err := <-resChan:
+			require.NoError(t, err)
+		case <-time.After(time.Second):
+			t.Fatal("timeout waiting for batch verification")
+		}
+	})
+
+	t.Run("invalid proofs fail entire batch", func(t *testing.T) {
+		validColumns := createValidTestDataColumns(t, 1)
+		invalidColumns := createInvalidTestDataColumns(t, 1)
+		allColumns := append(validColumns, invalidColumns...)
+
+		resChan := make(chan error, 1)
+		kzgVerifiers := []*kzgVerifier{{dataColumns: allColumns, resChan: resChan}}
+
+		verifyKzgBatch(kzgVerifiers)
+
+		select {
+		case err := <-resChan:
+			assert.NotNil(t, err)
+		case <-time.After(time.Second):
+			t.Fatal("timeout waiting for batch verification")
+		}
+	})
+
+	t.Run("empty batch handling", func(t *testing.T) {
+		verifyKzgBatch([]*kzgVerifier{})
+	})
+}
+
+func TestKzgBatchVerifierConcurrency(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	ctx := t.Context()
+
+	service := &Service{
+		ctx:     ctx,
+		kzgChan: make(chan *kzgVerifier, 100),
+	}
+	go service.kzgVerifierRoutine()
+
+	const numGoroutines = 10
+	const numRequestsPerGoroutine = 5
+
+	var wg sync.WaitGroup
+	wg.Add(numGoroutines)
+
+	// Multiple goroutines sending verification requests simultaneously
+	for i := range numGoroutines {
+		go func(goroutineID int) {
+			defer wg.Done()
+
+			for range numRequestsPerGoroutine {
+				dataColumns := createValidTestDataColumns(t, 1)
+				result, err := service.validateWithKzgBatchVerifier(ctx, dataColumns)
+				require.Equal(t, pubsub.ValidationAccept, result)
+				require.NoError(t, err)
+			}
+		}(i)
+	}
+
+	wg.Wait()
+}
+
+func TestKzgBatchVerifierFallback(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	t.Run("fallback handles mixed valid/invalid batch correctly", func(t *testing.T) {
+		ctx := t.Context()
+
+		service := &Service{
+			ctx:     ctx,
+			kzgChan: make(chan *kzgVerifier, 100),
+		}
+		go service.kzgVerifierRoutine()
+
+		validColumns := createValidTestDataColumns(t, 1)
+		invalidColumns := createInvalidTestDataColumns(t, 1)
+
+		result, err := service.validateWithKzgBatchVerifier(ctx, validColumns)
+		require.Equal(t, pubsub.ValidationAccept, result)
+		require.NoError(t, err)
+
+		result, err = service.validateWithKzgBatchVerifier(ctx, invalidColumns)
+		require.Equal(t, pubsub.ValidationReject, result)
+		assert.NotNil(t, err)
+	})
+
+	t.Run("empty data columns fallback", func(t *testing.T) {
+		ctx := t.Context()
+
+		service := &Service{
+			ctx:     ctx,
+			kzgChan: make(chan *kzgVerifier, 100),
+		}
+		go service.kzgVerifierRoutine()
+
+		result, err := service.validateWithKzgBatchVerifier(ctx, []blocks.RODataColumn{})
+		require.Equal(t, pubsub.ValidationAccept, result)
+		require.NoError(t, err)
+	})
+}
+
+func TestValidateWithKzgBatchVerifier_DeadlockOnTimeout(t *testing.T) {
+	err := kzg.Start()
+	require.NoError(t, err)
+
+	params.SetupTestConfigCleanup(t)
+	cfg := params.BeaconConfig().Copy()
+	cfg.SecondsPerSlot = 0
+	params.OverrideBeaconConfig(cfg)
+
+	ctx, cancel := context.WithCancel(t.Context())
+	defer cancel()
+
+	service := &Service{
+		ctx:     ctx,
+		kzgChan: make(chan *kzgVerifier),
+	}
+	go service.kzgVerifierRoutine()
+
+	result, err := service.validateWithKzgBatchVerifier(context.Background(), nil)
+	require.Equal(t, pubsub.ValidationIgnore, result)
+	require.ErrorIs(t, err, context.DeadlineExceeded)
+
+	done := make(chan struct{})
+	go func() {
+		_, _ = service.validateWithKzgBatchVerifier(context.Background(), nil)
+		close(done)
+	}()
+
+	select {
+	case <-done:
+	case <-time.After(500 * time.Millisecond):
+		t.Fatal("validateWithKzgBatchVerifier blocked")
+	}
+}
+
+func TestValidateWithKzgBatchVerifier_ContextCanceledBeforeSend(t *testing.T) {
+	cancelledCtx, cancel := context.WithCancel(t.Context())
+	cancel()
+
+	service := &Service{
+		ctx:     context.Background(),
+		kzgChan: make(chan *kzgVerifier),
+	}
+
+	done := make(chan struct{})
+	go func() {
+		result, err := service.validateWithKzgBatchVerifier(cancelledCtx, nil)
+		require.Equal(t, pubsub.ValidationIgnore, result)
+		require.ErrorIs(t, err, context.Canceled)
+		close(done)
+	}()
+
+	select {
+	case <-done:
+	case <-time.After(500 * time.Millisecond):
+		t.Fatal("validateWithKzgBatchVerifier did not return after context cancellation")
+	}
+
+	select {
+	case <-service.kzgChan:
+		t.Fatal("verificationSet was sent to kzgChan despite canceled context")
+	default:
+	}
+}
+
 func createValidTestDataColumns(t *testing.T, count int) []blocks.RODataColumn {
 	_, roSidecars, _ := util.GenerateTestFuluBlockWithSidecars(t, count)
 	if len(roSidecars) >= count {

beacon-chain/sync/rpc_send_request.go

@@ -77,13 +77,8 @@ func SendBeaconBlocksByRangeRequest(
 	}
 	defer closeStream(stream, log)
 
-	// Cap the slice capacity to MaxRequestBlock to prevent panic from invalid Count values.
-	// This guards against upstream bugs that may produce astronomically large Count values
-	// (e.g., due to unsigned integer underflow).
-	sliceCap := min(req.Count, params.MaxRequestBlock(slots.ToEpoch(tor.CurrentSlot())))
-
 	// Augment block processing function, if non-nil block processor is provided.
-	blocks := make([]interfaces.ReadOnlySignedBeaconBlock, 0, sliceCap)
+	blocks := make([]interfaces.ReadOnlySignedBeaconBlock, 0, req.Count)
 	process := func(blk interfaces.ReadOnlySignedBeaconBlock) error {
 		blocks = append(blocks, blk)
 		if blockProcessor != nil {

beacon-chain/sync/service.go

@@ -168,6 +168,7 @@ type Service struct {
 	syncContributionBitsOverlapLock  sync.RWMutex
 	syncContributionBitsOverlapCache *lru.Cache
 	signatureChan                    chan *signatureVerifier
+	kzgChan                          chan *kzgVerifier
 	clockWaiter                      startup.ClockWaiter
 	initialSyncComplete              chan struct{}
 	verifierWaiter                   *verification.InitializerWaiter
@@ -208,7 +209,10 @@ func NewService(ctx context.Context, opts ...Option) *Service {
 	}
 	// Initialize signature channel with configured limit
 	r.signatureChan = make(chan *signatureVerifier, r.cfg.batchVerifierLimit)
-
+	// Initialize KZG channel with fixed buffer size of 100.
+	// This buffer size is designed to handle burst traffic of data column gossip messages:
+	// - Data columns arrive less frequently than attestations (default batchVerifierLimit=1000)
+	r.kzgChan = make(chan *kzgVerifier, 100)
 	// Correctly remove it from our seen pending block map.
 	// The eviction method always assumes that the mutex is held.
 	r.slotToPendingBlocks.OnEvicted(func(s string, i any) {
@@ -261,6 +265,7 @@ func (s *Service) Start() {
 	s.newColumnsVerifier = newDataColumnsVerifierFromInitializer(v)
 
 	go s.verifierRoutine()
+	go s.kzgVerifierRoutine()
 	go s.startDiscoveryAndSubscriptions()
 	go s.processDataColumnLogs()
 

beacon-chain/sync/validate_data_column.go

@@ -144,9 +144,12 @@ func (s *Service) validateDataColumn(ctx context.Context, pid peer.ID, msg *pubs
 	}
 
 	// [REJECT] The sidecar's column data is valid as verified by `verify_data_column_sidecar_kzg_proofs(sidecar)`.
-	if err := verifier.SidecarKzgProofVerified(); err != nil {
-		return pubsub.ValidationReject, err
+	validationResult, err := s.validateWithKzgBatchVerifier(ctx, roDataColumns)
+	if validationResult != pubsub.ValidationAccept {
+		return validationResult, err
 	}
+	// Mark KZG verification as satisfied since we did it via batch verifier
+	verifier.SatisfyRequirement(verification.RequireSidecarKzgProofVerified)
 
 	// [IGNORE] The sidecar is the first sidecar for the tuple `(block_header.slot, block_header.proposer_index, sidecar.index)`
 	// with valid header signature, sidecar inclusion proof, and kzg proof.

beacon-chain/sync/validate_data_column_test.go

@@ -71,7 +71,10 @@ func TestValidateDataColumn(t *testing.T) {
 			ctx:                 ctx,
 			newColumnsVerifier:  newDataColumnsVerifier,
 			seenDataColumnCache: newSlotAwareCache(seenDataColumnSize),
+			kzgChan:             make(chan *kzgVerifier, 100),
 		}
+		// Start the KZG verifier routine for batch verification
+		go service.kzgVerifierRoutine()
 
 		// Encode a `beaconBlock` message instead of expected.
 		buf := new(bytes.Buffer)

changelog/bastin_add-cmd-to-gen-log.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- add `cmd` and all it's subcategories to the log.go generation process.

changelog/bastin_add-version-log-at-startup.md

@@ -1,3 +0,0 @@
-### Added
-
-- Added a version log at startup to display the version of the build.

changelog/bastin_fix-check-logs-bug.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- Fixed a bug in `hack/check-logs.sh` where untracked files were ignored.

changelog/bastin_gloas-new-state-test.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- Add `NewBeaconStateGloas()`.

changelog/bastin_path-ephemeral-log.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- Added a field `path` for the ephemeral log file initialization log.

changelog/bastin_per-package-verbosity.md

@@ -1,3 +0,0 @@
-### Added
-
-- Flag `--log.vmodule` to set per-package verbosity levels for logging.

changelog/bastin_statediff-touch-up.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- small touch ups on state diff code.

changelog/eth2353_fix-aggregate-typo.md

@@ -1,2 +0,0 @@
-### Fixed
-- Fixed a typo: AggregrateDueBPS -> AggregateDueBPS.

changelog/farazdagi_fix-hashtree-darwin-amd64.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- Fix Bazel build failure on macOS x86_64 (darwin_amd64) (adds missing assembly stub to hashtree patch).

changelog/fernantho_connect-merkle-proofs-with-endpoint.md

@@ -1,6 +0,0 @@
-### Added
-
-- Added new proofCollector type to ssz-query
-
-### Ignored
-- Added testing covering the production of Merkle proof from Phase0 beacon state and benchmarked against real Hoodi beacon state (Fulu version)