Deneb: Produce Block V3 - adding consensus block value (#12948)

* adding in block rewards to represent consensus payload * Update beacon-chain/rpc/eth/validator/handlers_block.go Co-authored-by: Radosław Kapka <rkapka@wp.pl> * radek's comments * more review changes * adding more tests for forks * gaz * updating names * gaz * fixing imports * fixing variable name * gaz * fixing test * renaming variables to match data --------- Co-authored-by: Radosław Kapka <rkapka@wp.pl>
2026-01-09 07:28:06 -05:00 · 2023-10-10 10:12:20 -05:00
parent 8eb82dd378
commit af70677778
17 changed files with 547 additions and 158 deletions
--- a/api/headers.go
+++ b/api/headers.go
@@ -4,6 +4,7 @@ const (
 	VersionHeader                 = "Eth-Consensus-Version"
 	ExecutionPayloadBlindedHeader = "Eth-Execution-Payload-Blinded"
 	ExecutionPayloadValueHeader   = "Eth-Execution-Payload-Value"
+	ConsensusBlockValueHeader     = "Eth-Consensus-Block-Value"
 	JsonMediaType                 = "application/json"
 	OctetStreamMediaType          = "application/octet-stream"
 )
--- a/beacon-chain/rpc/eth/rewards/BUILD.bazel
+++ b/beacon-chain/rpc/eth/rewards/BUILD.bazel
@@ -5,6 +5,7 @@ go_library(
    srcs = [
        "handlers.go",
        "server.go",
+        "service.go",
        "structs.go",
    ],
    importpath = "github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards",
@@ -21,11 +22,13 @@ go_library(
        "//beacon-chain/state/stategen:go_default_library",
        "//config/fieldparams:go_default_library",
        "//config/params:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
        "//consensus-types/primitives:go_default_library",
        "//network/http:go_default_library",
        "//runtime/version:go_default_library",
        "//time/slots:go_default_library",
        "@com_github_wealdtech_go_bytesutil//:go_default_library",
+        "@io_opencensus_go//trace:go_default_library",
    ],
 )

@@ -54,6 +57,7 @@ go_test(
        "//testing/assert:go_default_library",
        "//testing/require:go_default_library",
        "//testing/util:go_default_library",
+        "@com_github_pkg_errors//:go_default_library",
        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
    ],
 )
--- a/beacon-chain/rpc/eth/rewards/handlers.go
+++ b/beacon-chain/rpc/eth/rewards/handlers.go
@@ -8,9 +8,7 @@ import (
 	"strings"

 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/altair"
-	coreblocks "github.com/prysmaticlabs/prysm/v4/beacon-chain/core/blocks"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/epoch/precompute"
-	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/validators"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/shared"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
 	fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
@@ -20,10 +18,13 @@ import (
 	"github.com/prysmaticlabs/prysm/v4/runtime/version"
 	"github.com/prysmaticlabs/prysm/v4/time/slots"
 	"github.com/wealdtech/go-bytesutil"
+	"go.opencensus.io/trace"
 )

 // BlockRewards is an HTTP handler for Beacon API getBlockRewards.
 func (s *Server) BlockRewards(w http.ResponseWriter, r *http.Request) {
+	ctx, span := trace.StartSpan(r.Context(), "beacon.BlockRewards")
+	defer span.End()
 	segments := strings.Split(r.URL.Path, "/")
 	blockId := segments[len(segments)-1]

@@ -36,63 +37,6 @@ func (s *Server) BlockRewards(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	// We want to run several block processing functions that update the proposer's balance.
-	// This will allow us to calculate proposer rewards for each operation (atts, slashings etc).
-	// To do this, we replay the state up to the block's slot, but before processing the block.
-	st, err := s.ReplayerBuilder.ReplayerForSlot(blk.Block().Slot()-1).ReplayToSlot(r.Context(), blk.Block().Slot())
-	if err != nil {
-		http2.HandleError(w, "Could not get state: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-
-	proposerIndex := blk.Block().ProposerIndex()
-	initBalance, err := st.BalanceAtIndex(proposerIndex)
-	if err != nil {
-		http2.HandleError(w, "Could not get proposer's balance: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	st, err = altair.ProcessAttestationsNoVerifySignature(r.Context(), st, blk)
-	if err != nil {
-		http2.HandleError(w, "Could not get attestation rewards"+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	attBalance, err := st.BalanceAtIndex(proposerIndex)
-	if err != nil {
-		http2.HandleError(w, "Could not get proposer's balance: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	st, err = coreblocks.ProcessAttesterSlashings(r.Context(), st, blk.Block().Body().AttesterSlashings(), validators.SlashValidator)
-	if err != nil {
-		http2.HandleError(w, "Could not get attester slashing rewards: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	attSlashingsBalance, err := st.BalanceAtIndex(proposerIndex)
-	if err != nil {
-		http2.HandleError(w, "Could not get proposer's balance: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	st, err = coreblocks.ProcessProposerSlashings(r.Context(), st, blk.Block().Body().ProposerSlashings(), validators.SlashValidator)
-	if err != nil {
-		http2.HandleError(w, "Could not get proposer slashing rewards"+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	proposerSlashingsBalance, err := st.BalanceAtIndex(proposerIndex)
-	if err != nil {
-		http2.HandleError(w, "Could not get proposer's balance: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	sa, err := blk.Block().Body().SyncAggregate()
-	if err != nil {
-		http2.HandleError(w, "Could not get sync aggregate: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	var syncCommitteeReward uint64
-	_, syncCommitteeReward, err = altair.ProcessSyncAggregate(r.Context(), st, sa)
-	if err != nil {
-		http2.HandleError(w, "Could not get sync aggregate rewards: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-
 	optimistic, err := s.OptimisticModeFetcher.IsOptimistic(r.Context())
 	if err != nil {
 		http2.HandleError(w, "Could not get optimistic mode info: "+err.Error(), http.StatusInternalServerError)
@@ -103,18 +47,15 @@ func (s *Server) BlockRewards(w http.ResponseWriter, r *http.Request) {
 		http2.HandleError(w, "Could not get block root: "+err.Error(), http.StatusInternalServerError)
 		return
 	}
-
+	blockRewards, httpError := s.BlockRewardFetcher.GetBlockRewardsData(ctx, blk)
+	if httpError != nil {
+		http2.WriteError(w, httpError)
+		return
+	}
 	response := &BlockRewardsResponse{
-		Data: BlockRewards{
-			ProposerIndex:     strconv.FormatUint(uint64(proposerIndex), 10),
-			Total:             strconv.FormatUint(proposerSlashingsBalance-initBalance+syncCommitteeReward, 10),
-			Attestations:      strconv.FormatUint(attBalance-initBalance, 10),
-			SyncAggregate:     strconv.FormatUint(syncCommitteeReward, 10),
-			ProposerSlashings: strconv.FormatUint(proposerSlashingsBalance-attSlashingsBalance, 10),
-			AttesterSlashings: strconv.FormatUint(attSlashingsBalance-attBalance, 10),
-		},
+		Data:                blockRewards,
 		ExecutionOptimistic: optimistic,
-		Finalized:           s.FinalizationFetcher.IsFinalized(r.Context(), blkRoot),
+		Finalized:           s.FinalizationFetcher.IsFinalized(ctx, blkRoot),
 	}
 	http2.WriteJson(w, response)
 }
@@ -165,6 +106,8 @@ func (s *Server) AttestationRewards(w http.ResponseWriter, r *http.Request) {
 // SyncCommitteeRewards retrieves rewards info for sync committee members specified by array of public keys or validator index.
 // If no array is provided, return reward info for every committee member.
 func (s *Server) SyncCommitteeRewards(w http.ResponseWriter, r *http.Request) {
+	ctx, span := trace.StartSpan(r.Context(), "beacon.SyncCommitteeRewards")
+	defer span.End()
 	segments := strings.Split(r.URL.Path, "/")
 	blockId := segments[len(segments)-1]

@@ -176,9 +119,10 @@ func (s *Server) SyncCommitteeRewards(w http.ResponseWriter, r *http.Request) {
 		http2.HandleError(w, "Sync committee rewards are not supported for Phase 0", http.StatusBadRequest)
 		return
 	}
-	st, err := s.ReplayerBuilder.ReplayerForSlot(blk.Block().Slot()-1).ReplayToSlot(r.Context(), blk.Block().Slot())
-	if err != nil {
-		http2.HandleError(w, "Could not get state: "+err.Error(), http.StatusInternalServerError)
+
+	st, httpErr := s.BlockRewardFetcher.GetStateForRewards(ctx, blk)
+	if httpErr != nil {
+		http2.WriteError(w, httpErr)
 		return
 	}
 	sa, err := blk.Block().Body().SyncAggregate()
--- a/beacon-chain/rpc/eth/rewards/handlers_test.go
+++ b/beacon-chain/rpc/eth/rewards/handlers_test.go
@@ -11,6 +11,7 @@ import (
 	"strings"
 	"testing"

+	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/go-bitfield"
 	mock "github.com/prysmaticlabs/prysm/v4/beacon-chain/blockchain/testing"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/altair"
@@ -34,12 +35,42 @@ import (
 	"github.com/prysmaticlabs/prysm/v4/testing/util"
 )

-func TestBlockRewards(t *testing.T) {
+func BlockRewardTestSetup(t *testing.T, forkName string) (state.BeaconState, interfaces.SignedBeaconBlock, error) {
 	helpers.ClearCache()
-
+	var sbb interfaces.SignedBeaconBlock
+	var st state.BeaconState
+	var err error
+	switch forkName {
+	case "phase0":
+		return nil, nil, errors.New("phase0 not supported")
+	case "altair":
+		st, err = util.NewBeaconStateAltair()
+		require.NoError(t, err)
+		b := util.HydrateSignedBeaconBlockAltair(util.NewBeaconBlockAltair())
+		sbb, err = blocks.NewSignedBeaconBlock(b)
+		require.NoError(t, err)
+	case "bellatrix":
+		st, err = util.NewBeaconStateBellatrix()
+		require.NoError(t, err)
+		b := util.HydrateSignedBeaconBlockBellatrix(util.NewBeaconBlockBellatrix())
+		sbb, err = blocks.NewSignedBeaconBlock(b)
+		require.NoError(t, err)
+	case "capella":
+		st, err = util.NewBeaconStateCapella()
+		require.NoError(t, err)
+		b := util.HydrateSignedBeaconBlockCapella(util.NewBeaconBlockCapella())
+		sbb, err = blocks.NewSignedBeaconBlock(b)
+		require.NoError(t, err)
+	case "deneb":
+		st, err = util.NewBeaconStateDeneb()
+		require.NoError(t, err)
+		b := util.HydrateSignedBeaconBlockDeneb(util.NewBeaconBlockDeneb())
+		sbb, err = blocks.NewSignedBeaconBlock(b)
+		require.NoError(t, err)
+	default:
+		return nil, nil, errors.New("fork is not supported")
+	}
 	valCount := 64
-
-	st, err := util.NewBeaconStateCapella()
 	require.NoError(t, st.SetSlot(1))
 	require.NoError(t, err)
 	validators := make([]*eth.Validator, 0, valCount)
@@ -68,11 +99,10 @@ func TestBlockRewards(t *testing.T) {
 	bRoots[0] = slot0bRoot
 	require.NoError(t, st.SetBlockRoots(bRoots))

-	b := util.HydrateSignedBeaconBlockCapella(util.NewBeaconBlockCapella())
-	b.Block.Slot = 2
+	sbb.SetSlot(2)
 	// we have to set the proposer index to the value that will be randomly chosen (fortunately it's deterministic)
-	b.Block.ProposerIndex = 12
-	b.Block.Body.Attestations = []*eth.Attestation{
+	sbb.SetProposerIndex(12)
+	sbb.SetAttestations([]*eth.Attestation{
 		{
 			AggregationBits: bitfield.Bitlist{0b00000111},
 			Data:            util.HydrateAttestationData(&eth.AttestationData{}),
@@ -83,7 +113,8 @@ func TestBlockRewards(t *testing.T) {
 			Data:            util.HydrateAttestationData(&eth.AttestationData{}),
 			Signature:       make([]byte, fieldparams.BLSSignatureLength),
 		},
-	}
+	})
+
 	attData1 := util.HydrateAttestationData(&eth.AttestationData{BeaconBlockRoot: bytesutil.PadTo([]byte("root1"), 32)})
 	attData2 := util.HydrateAttestationData(&eth.AttestationData{BeaconBlockRoot: bytesutil.PadTo([]byte("root2"), 32)})
 	domain, err := signing.Domain(st.Fork(), 0, params.BeaconConfig().DomainBeaconAttester, st.GenesisValidatorsRoot())
@@ -92,7 +123,7 @@ func TestBlockRewards(t *testing.T) {
 	require.NoError(t, err)
 	sigRoot2, err := signing.ComputeSigningRoot(attData2, domain)
 	require.NoError(t, err)
-	b.Block.Body.AttesterSlashings = []*eth.AttesterSlashing{
+	sbb.SetAttesterSlashings([]*eth.AttesterSlashing{
 		{
 			Attestation_1: &eth.IndexedAttestation{
 				AttestingIndices: []uint64{0},
@@ -105,7 +136,7 @@ func TestBlockRewards(t *testing.T) {
 				Signature:        secretKeys[0].Sign(sigRoot2[:]).Marshal(),
 			},
 		},
-	}
+	})
 	header1 := &eth.BeaconBlockHeader{
 		Slot:          0,
 		ProposerIndex: 1,
@@ -126,7 +157,7 @@ func TestBlockRewards(t *testing.T) {
 	require.NoError(t, err)
 	sigRoot2, err = signing.ComputeSigningRoot(header2, domain)
 	require.NoError(t, err)
-	b.Block.Body.ProposerSlashings = []*eth.ProposerSlashing{
+	sbb.SetProposerSlashings([]*eth.ProposerSlashing{
 		{
 			Header_1: &eth.SignedBeaconBlockHeader{
 				Header:    header1,
@@ -137,7 +168,7 @@ func TestBlockRewards(t *testing.T) {
 				Signature: secretKeys[1].Sign(sigRoot2[:]).Marshal(),
 			},
 		},
-	}
+	})
 	scBits := bitfield.NewBitvector512()
 	scBits.SetBitAt(10, true)
 	scBits.SetBitAt(100, true)
@@ -153,24 +184,51 @@ func TestBlockRewards(t *testing.T) {
 	sig2, err := blst.SignatureFromBytes(secretKeys[19].Sign(r[:]).Marshal())
 	require.NoError(t, err)
 	aggSig := bls.AggregateSignatures([]bls.Signature{sig1, sig2}).Marshal()
-	b.Block.Body.SyncAggregate = &eth.SyncAggregate{SyncCommitteeBits: scBits, SyncCommitteeSignature: aggSig}
-
-	sbb, err := blocks.NewSignedBeaconBlock(b)
+	err = sbb.SetSyncAggregate(&eth.SyncAggregate{SyncCommitteeBits: scBits, SyncCommitteeSignature: aggSig})
 	require.NoError(t, err)
+
+	return st, sbb, nil
+}
+
+func TestBlockRewards(t *testing.T) {
 	phase0block, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
-	mockChainService := &mock.ChainService{Optimistic: true}
-	s := &Server{
-		Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
-			0: phase0block,
-			2: sbb,
-		}},
-		OptimisticModeFetcher: mockChainService,
-		FinalizationFetcher:   mockChainService,
-		ReplayerBuilder:       mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st)),
-	}
+	t.Run("phase 0", func(t *testing.T) {
+		mockChainService := &mock.ChainService{Optimistic: true}
+		s := &Server{
+			Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
+				0: phase0block,
+			}},
+			OptimisticModeFetcher: mockChainService,
+			FinalizationFetcher:   mockChainService,
+		}
+		url := "http://only.the.slot.number.at.the.end.is.important/0"
+		request := httptest.NewRequest("GET", url, nil)
+		writer := httptest.NewRecorder()
+		writer.Body = &bytes.Buffer{}
+
+		s.BlockRewards(writer, request)
+		assert.Equal(t, http.StatusBadRequest, writer.Code)
+		e := &http2.DefaultErrorJson{}
+		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), e))
+		assert.Equal(t, http.StatusBadRequest, e.Code)
+		assert.Equal(t, "Block rewards are not supported for Phase 0 blocks", e.Message)
+	})
+	t.Run("altair", func(t *testing.T) {
+		st, sbb, err := BlockRewardTestSetup(t, "altair")
+		require.NoError(t, err)
+
+		mockChainService := &mock.ChainService{Optimistic: true}
+		s := &Server{
+			Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
+				0: phase0block,
+				2: sbb,
+			}},
+			OptimisticModeFetcher: mockChainService,
+			FinalizationFetcher:   mockChainService,
+			BlockRewardFetcher:    &BlockRewardService{Replayer: mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st))},
+		}

-	t.Run("ok", func(t *testing.T) {
 		url := "http://only.the.slot.number.at.the.end.is.important/2"
 		request := httptest.NewRequest("GET", url, nil)
 		writer := httptest.NewRecorder()
@@ -189,18 +247,104 @@ func TestBlockRewards(t *testing.T) {
 		assert.Equal(t, true, resp.ExecutionOptimistic)
 		assert.Equal(t, false, resp.Finalized)
 	})
-	t.Run("phase 0", func(t *testing.T) {
-		url := "http://only.the.slot.number.at.the.end.is.important/0"
+	t.Run("bellatrix", func(t *testing.T) {
+		st, sbb, err := BlockRewardTestSetup(t, "bellatrix")
+		require.NoError(t, err)
+
+		mockChainService := &mock.ChainService{Optimistic: true}
+		s := &Server{
+			Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
+				0: phase0block,
+				2: sbb,
+			}},
+			OptimisticModeFetcher: mockChainService,
+			FinalizationFetcher:   mockChainService,
+			BlockRewardFetcher:    &BlockRewardService{Replayer: mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st))},
+		}
+
+		url := "http://only.the.slot.number.at.the.end.is.important/2"
 		request := httptest.NewRequest("GET", url, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}

 		s.BlockRewards(writer, request)
-		assert.Equal(t, http.StatusBadRequest, writer.Code)
-		e := &http2.DefaultErrorJson{}
-		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), e))
-		assert.Equal(t, http.StatusBadRequest, e.Code)
-		assert.Equal(t, "Block rewards are not supported for Phase 0 blocks", e.Message)
+		assert.Equal(t, http.StatusOK, writer.Code)
+		resp := &BlockRewardsResponse{}
+		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
+		assert.Equal(t, "12", resp.Data.ProposerIndex)
+		assert.Equal(t, "125089490", resp.Data.Total)
+		assert.Equal(t, "89442", resp.Data.Attestations)
+		assert.Equal(t, "48", resp.Data.SyncAggregate)
+		assert.Equal(t, "62500000", resp.Data.AttesterSlashings)
+		assert.Equal(t, "62500000", resp.Data.ProposerSlashings)
+		assert.Equal(t, true, resp.ExecutionOptimistic)
+		assert.Equal(t, false, resp.Finalized)
+	})
+	t.Run("capella", func(t *testing.T) {
+		st, sbb, err := BlockRewardTestSetup(t, "capella")
+		require.NoError(t, err)
+
+		mockChainService := &mock.ChainService{Optimistic: true}
+		s := &Server{
+			Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
+				0: phase0block,
+				2: sbb,
+			}},
+			OptimisticModeFetcher: mockChainService,
+			FinalizationFetcher:   mockChainService,
+			BlockRewardFetcher:    &BlockRewardService{Replayer: mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st))},
+		}
+
+		url := "http://only.the.slot.number.at.the.end.is.important/2"
+		request := httptest.NewRequest("GET", url, nil)
+		writer := httptest.NewRecorder()
+		writer.Body = &bytes.Buffer{}
+
+		s.BlockRewards(writer, request)
+		assert.Equal(t, http.StatusOK, writer.Code)
+		resp := &BlockRewardsResponse{}
+		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
+		assert.Equal(t, "12", resp.Data.ProposerIndex)
+		assert.Equal(t, "125089490", resp.Data.Total)
+		assert.Equal(t, "89442", resp.Data.Attestations)
+		assert.Equal(t, "48", resp.Data.SyncAggregate)
+		assert.Equal(t, "62500000", resp.Data.AttesterSlashings)
+		assert.Equal(t, "62500000", resp.Data.ProposerSlashings)
+		assert.Equal(t, true, resp.ExecutionOptimistic)
+		assert.Equal(t, false, resp.Finalized)
+	})
+	t.Run("deneb", func(t *testing.T) {
+		st, sbb, err := BlockRewardTestSetup(t, "deneb")
+		require.NoError(t, err)
+
+		mockChainService := &mock.ChainService{Optimistic: true}
+		s := &Server{
+			Blocker: &testutil.MockBlocker{SlotBlockMap: map[primitives.Slot]interfaces.ReadOnlySignedBeaconBlock{
+				0: phase0block,
+				2: sbb,
+			}},
+			OptimisticModeFetcher: mockChainService,
+			FinalizationFetcher:   mockChainService,
+			BlockRewardFetcher:    &BlockRewardService{Replayer: mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st))},
+		}
+
+		url := "http://only.the.slot.number.at.the.end.is.important/2"
+		request := httptest.NewRequest("GET", url, nil)
+		writer := httptest.NewRecorder()
+		writer.Body = &bytes.Buffer{}
+
+		s.BlockRewards(writer, request)
+		assert.Equal(t, http.StatusOK, writer.Code)
+		resp := &BlockRewardsResponse{}
+		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
+		assert.Equal(t, "12", resp.Data.ProposerIndex)
+		assert.Equal(t, "125089490", resp.Data.Total)
+		assert.Equal(t, "89442", resp.Data.Attestations)
+		assert.Equal(t, "48", resp.Data.SyncAggregate)
+		assert.Equal(t, "62500000", resp.Data.AttesterSlashings)
+		assert.Equal(t, "62500000", resp.Data.ProposerSlashings)
+		assert.Equal(t, true, resp.ExecutionOptimistic)
+		assert.Equal(t, false, resp.Finalized)
 	})
 }

@@ -560,7 +704,7 @@ func TestSyncCommiteeRewards(t *testing.T) {
 		}},
 		OptimisticModeFetcher: mockChainService,
 		FinalizationFetcher:   mockChainService,
-		ReplayerBuilder:       mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st)),
+		BlockRewardFetcher:    &BlockRewardService{Replayer: mockstategen.NewMockReplayerBuilder(mockstategen.WithMockState(st))},
 	}

 	t.Run("ok - filtered vals", func(t *testing.T) {
--- a/beacon-chain/rpc/eth/rewards/server.go
+++ b/beacon-chain/rpc/eth/rewards/server.go
@@ -3,15 +3,14 @@ package rewards
 import (
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/blockchain"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/lookup"
-	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state/stategen"
 )

 type Server struct {
 	Blocker               lookup.Blocker
 	OptimisticModeFetcher blockchain.OptimisticModeFetcher
 	FinalizationFetcher   blockchain.FinalizationFetcher
-	ReplayerBuilder       stategen.ReplayerBuilder
 	TimeFetcher           blockchain.TimeFetcher
 	Stater                lookup.Stater
 	HeadFetcher           blockchain.HeadFetcher
+	BlockRewardFetcher    BlockRewardsFetcher
 }
--- a/beacon-chain/rpc/eth/rewards/service.go
+++ b/beacon-chain/rpc/eth/rewards/service.go
@@ -0,0 +1,124 @@
+package rewards
+
+import (
+	"context"
+	"net/http"
+	"strconv"
+
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/altair"
+	coreblocks "github.com/prysmaticlabs/prysm/v4/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/validators"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state/stategen"
+	"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
+	http2 "github.com/prysmaticlabs/prysm/v4/network/http"
+)
+
+// BlockRewardsFetcher is a interface that provides access to reward related responses
+type BlockRewardsFetcher interface {
+	GetBlockRewardsData(context.Context, interfaces.ReadOnlySignedBeaconBlock) (*BlockRewards, *http2.DefaultErrorJson)
+	GetStateForRewards(context.Context, interfaces.ReadOnlySignedBeaconBlock) (state.BeaconState, *http2.DefaultErrorJson)
+}
+
+// BlockRewardService implements BlockRewardsFetcher and can be declared to access the underlying functions
+type BlockRewardService struct {
+	Replayer stategen.ReplayerBuilder
+}
+
+// GetBlockRewardsData returns the BlockRewards Object which is used for the BlockRewardsResponse and ProduceBlockV3
+func (rs *BlockRewardService) GetBlockRewardsData(ctx context.Context, blk interfaces.ReadOnlySignedBeaconBlock) (*BlockRewards, *http2.DefaultErrorJson) {
+	st, httpErr := rs.GetStateForRewards(ctx, blk)
+	if httpErr != nil {
+		return nil, httpErr
+	}
+
+	proposerIndex := blk.Block().ProposerIndex()
+	initBalance, err := st.BalanceAtIndex(proposerIndex)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get proposer's balance: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	st, err = altair.ProcessAttestationsNoVerifySignature(ctx, st, blk)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get attestation rewards: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	attBalance, err := st.BalanceAtIndex(proposerIndex)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get proposer's balance: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	st, err = coreblocks.ProcessAttesterSlashings(ctx, st, blk.Block().Body().AttesterSlashings(), validators.SlashValidator)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get attester slashing rewards: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	attSlashingsBalance, err := st.BalanceAtIndex(proposerIndex)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get proposer's balance: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	st, err = coreblocks.ProcessProposerSlashings(ctx, st, blk.Block().Body().ProposerSlashings(), validators.SlashValidator)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get proposer slashing rewards: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	proposerSlashingsBalance, err := st.BalanceAtIndex(proposerIndex)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get proposer's balance: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	sa, err := blk.Block().Body().SyncAggregate()
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get sync aggregate: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	var syncCommitteeReward uint64
+	_, syncCommitteeReward, err = altair.ProcessSyncAggregate(ctx, st, sa)
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get sync aggregate rewards: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+
+	return &BlockRewards{
+		ProposerIndex:     strconv.FormatUint(uint64(proposerIndex), 10),
+		Total:             strconv.FormatUint(proposerSlashingsBalance-initBalance+syncCommitteeReward, 10),
+		Attestations:      strconv.FormatUint(attBalance-initBalance, 10),
+		SyncAggregate:     strconv.FormatUint(syncCommitteeReward, 10),
+		ProposerSlashings: strconv.FormatUint(proposerSlashingsBalance-attSlashingsBalance, 10),
+		AttesterSlashings: strconv.FormatUint(attSlashingsBalance-attBalance, 10),
+	}, nil
+}
+
+// GetStateForRewards returns the state replayed up to the block's slot
+func (rs *BlockRewardService) GetStateForRewards(ctx context.Context, blk interfaces.ReadOnlySignedBeaconBlock) (state.BeaconState, *http2.DefaultErrorJson) {
+	// We want to run several block processing functions that update the proposer's balance.
+	// This will allow us to calculate proposer rewards for each operation (atts, slashings etc).
+	// To do this, we replay the state up to the block's slot, but before processing the block.
+	st, err := rs.Replayer.ReplayerForSlot(blk.Block().Slot()-1).ReplayToSlot(ctx, blk.Block().Slot())
+	if err != nil {
+		return nil, &http2.DefaultErrorJson{
+			Message: "Could not get state: " + err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	return st, nil
+}
--- a/beacon-chain/rpc/eth/rewards/structs.go
+++ b/beacon-chain/rpc/eth/rewards/structs.go
@@ -1,9 +1,9 @@
 package rewards

 type BlockRewardsResponse struct {
-	Data                BlockRewards `json:"data"`
-	ExecutionOptimistic bool         `json:"execution_optimistic"`
-	Finalized           bool         `json:"finalized"`
+	Data                *BlockRewards `json:"data"`
+	ExecutionOptimistic bool          `json:"execution_optimistic"`
+	Finalized           bool          `json:"finalized"`
 }

 type BlockRewards struct {
--- a/beacon-chain/rpc/eth/rewards/testing/BUILD.bazel
+++ b/beacon-chain/rpc/eth/rewards/testing/BUILD.bazel
@@ -0,0 +1,14 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["mock.go"],
+    importpath = "github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards/testing",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//beacon-chain/rpc/eth/rewards:go_default_library",
+        "//beacon-chain/state:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
+        "//network/http:go_default_library",
+    ],
+)
--- a/beacon-chain/rpc/eth/rewards/testing/mock.go
+++ b/beacon-chain/rpc/eth/rewards/testing/mock.go
@@ -0,0 +1,30 @@
+package testing
+
+import (
+	"context"
+
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
+	"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
+	http2 "github.com/prysmaticlabs/prysm/v4/network/http"
+)
+
+type MockBlockRewardFetcher struct {
+	Rewards *rewards.BlockRewards
+	Error   *http2.DefaultErrorJson
+	State   state.BeaconState
+}
+
+func (m *MockBlockRewardFetcher) GetBlockRewardsData(_ context.Context, _ interfaces.ReadOnlySignedBeaconBlock) (*rewards.BlockRewards, *http2.DefaultErrorJson) {
+	if m.Error != nil {
+		return nil, m.Error
+	}
+	return m.Rewards, nil
+}
+
+func (m *MockBlockRewardFetcher) GetStateForRewards(_ context.Context, _ interfaces.ReadOnlySignedBeaconBlock) (state.BeaconState, *http2.DefaultErrorJson) {
+	if m.Error != nil {
+		return nil, m.Error
+	}
+	return m.State, nil
+}
--- a/beacon-chain/rpc/eth/shared/testing/json.go
+++ b/beacon-chain/rpc/eth/shared/testing/json.go
@@ -162,7 +162,7 @@ const (
 }`
 	AltairBlock = `{
  "message": {
-    "slot": "1",
+    "slot": "2",
    "proposer_index": "1",
    "parent_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
    "state_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
@@ -204,7 +204,7 @@ const (
            "attesting_indices": [
              "1"
            ],
-            "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
+            "signature": "0xabb0124c7574f281a293f4185cad3cb22681d520917ce46665243eacb051000d8bacf75e1451870ca6b3b9e6c9d41a7b02ead2685a84188a4fafd3825daf6a989625d719ccd2d83a40101f4a453fca62878c890eca622363f9ddb8f367a91e84",
            "data": {
              "slot": "1",
              "index": "1",
@@ -223,18 +223,18 @@ const (
            "attesting_indices": [
              "1"
            ],
-            "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
+            "signature": "0xabb0124c7574f281a293f4185cad3cb22681d520917ce46665243eacb051000d8bacf75e1451870ca6b3b9e6c9d41a7b02ead2685a84188a4fafd3825daf6a989625d719ccd2d83a40101f4a453fca62878c890eca622363f9ddb8f367a91e84",
            "data": {
              "slot": "1",
              "index": "1",
              "beacon_block_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
              "source": {
                "epoch": "1",
-                "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
+                "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f3"
              },
              "target": {
                "epoch": "1",
-                "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
+                "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f3"
              }
            }
          }
@@ -242,18 +242,18 @@ const (
      ],
      "attestations": [
        {
-          "aggregation_bits": "0xffffffffffffffffffffffffffffffffff3f",
-          "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
+          "aggregation_bits": "0x07",
+          "signature": "0xabb0124c7574f281a293f4185cad3cb22681d520917ce46665243eacb051000d8bacf75e1451870ca6b3b9e6c9d41a7b02ead2685a84188a4fafd3825daf6a989625d719ccd2d83a40101f4a453fca62878c890eca622363f9ddb8f367a91e84",
          "data": {
-            "slot": "1",
-            "index": "1",
+            "slot": "0",
+            "index": "0",
            "beacon_block_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
            "source": {
              "epoch": "1",
              "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
            },
            "target": {
-              "epoch": "1",
+              "epoch": "0",
              "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
            }
          }
--- a/beacon-chain/rpc/eth/validator/BUILD.bazel
+++ b/beacon-chain/rpc/eth/validator/BUILD.bazel
@@ -26,6 +26,7 @@ go_library(
        "//beacon-chain/p2p:go_default_library",
        "//beacon-chain/rpc/core:go_default_library",
        "//beacon-chain/rpc/eth/helpers:go_default_library",
+        "//beacon-chain/rpc/eth/rewards:go_default_library",
        "//beacon-chain/rpc/eth/shared:go_default_library",
        "//beacon-chain/rpc/lookup:go_default_library",
        "//beacon-chain/state:go_default_library",
@@ -33,6 +34,8 @@ go_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",
        "//consensus-types/validator:go_default_library",
        "//encoding/bytesutil:go_default_library",
@@ -75,6 +78,8 @@ go_test(
        "//beacon-chain/operations/synccommittee:go_default_library",
        "//beacon-chain/p2p/testing:go_default_library",
        "//beacon-chain/rpc/core:go_default_library",
+        "//beacon-chain/rpc/eth/rewards:go_default_library",
+        "//beacon-chain/rpc/eth/rewards/testing:go_default_library",
        "//beacon-chain/rpc/eth/shared:go_default_library",
        "//beacon-chain/rpc/eth/shared/testing:go_default_library",
        "//beacon-chain/rpc/testutil:go_default_library",
--- a/beacon-chain/rpc/eth/validator/handlers_block.go
+++ b/beacon-chain/rpc/eth/validator/handlers_block.go
@@ -9,8 +9,11 @@ import (

 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v4/api"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/shared"
 	fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
+	"github.com/prysmaticlabs/prysm/v4/consensus-types/blocks"
+	"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
 	http2 "github.com/prysmaticlabs/prysm/v4/network/http"
 	eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
@@ -84,16 +87,26 @@ func (s *Server) produceBlockV3(ctx context.Context, w http.ResponseWriter, r *h
 		http2.HandleError(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
+
+	consensusBlockValue, httpError := getConsensusBlockValue(ctx, s.BlockRewardFetcher, v1alpha1resp.Block)
+	if httpError != nil {
+		http2.WriteError(w, httpError)
+		return
+	}
+
 	w.Header().Set(api.ExecutionPayloadBlindedHeader, fmt.Sprintf("%v", v1alpha1resp.IsBlinded))
 	w.Header().Set(api.ExecutionPayloadValueHeader, fmt.Sprintf("%d", v1alpha1resp.PayloadValue))
+	w.Header().Set(api.ConsensusBlockValueHeader, consensusBlockValue)
+
 	phase0Block, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Phase0)
 	if ok {
+		// rewards aren't used in phase 0
 		handleProducePhase0V3(ctx, w, isSSZ, phase0Block, v1alpha1resp.PayloadValue)
 		return
 	}
 	altairBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Altair)
 	if ok {
-		handleProduceAltairV3(ctx, w, isSSZ, altairBlock, v1alpha1resp.PayloadValue)
+		handleProduceAltairV3(ctx, w, isSSZ, altairBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	optimistic, err := s.OptimisticModeFetcher.IsOptimistic(ctx)
@@ -107,36 +120,82 @@ func (s *Server) produceBlockV3(ctx context.Context, w http.ResponseWriter, r *h
 	}
 	blindedBellatrixBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedBellatrix)
 	if ok {
-		handleProduceBlindedBellatrixV3(ctx, w, isSSZ, blindedBellatrixBlock, v1alpha1resp.PayloadValue)
+		handleProduceBlindedBellatrixV3(ctx, w, isSSZ, blindedBellatrixBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	bellatrixBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Bellatrix)
 	if ok {
-		handleProduceBellatrixV3(ctx, w, isSSZ, bellatrixBlock, v1alpha1resp.PayloadValue)
+		handleProduceBellatrixV3(ctx, w, isSSZ, bellatrixBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	blindedCapellaBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedCapella)
 	if ok {
-		handleProduceBlindedCapellaV3(ctx, w, isSSZ, blindedCapellaBlock, v1alpha1resp.PayloadValue)
+		handleProduceBlindedCapellaV3(ctx, w, isSSZ, blindedCapellaBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	capellaBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Capella)
 	if ok {
-		handleProduceCapellaV3(ctx, w, isSSZ, capellaBlock, v1alpha1resp.PayloadValue)
+		handleProduceCapellaV3(ctx, w, isSSZ, capellaBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	blindedDenebBlockContents, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedDeneb)
 	if ok {
-		handleProduceBlindedDenebV3(ctx, w, isSSZ, blindedDenebBlockContents, v1alpha1resp.PayloadValue)
+		handleProduceBlindedDenebV3(ctx, w, isSSZ, blindedDenebBlockContents, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	denebBlockContents, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Deneb)
 	if ok {
-		handleProduceDenebV3(ctx, w, isSSZ, denebBlockContents, v1alpha1resp.PayloadValue)
+		handleProduceDenebV3(ctx, w, isSSZ, denebBlockContents, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 }

+func getConsensusBlockValue(ctx context.Context, blockRewardsFetcher rewards.BlockRewardsFetcher, i interface{} /* block as argument */) (string, *http2.DefaultErrorJson) {
+	var wrapper interfaces.ReadOnlySignedBeaconBlock
+	var err error
+
+	// TODO: we should not require this fake signed wrapper and fix associated functions in the future.
+	switch b := i.(type) {
+	case *eth.GenericBeaconBlock_Phase0:
+		//ignore for phase0
+		return "", nil
+	case *eth.GenericBeaconBlock_Altair:
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_Altair{Altair: &eth.SignedBeaconBlockAltair{Block: b.Altair}})
+	case *eth.GenericBeaconBlock_Bellatrix:
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_Bellatrix{Bellatrix: &eth.SignedBeaconBlockBellatrix{Block: b.Bellatrix}})
+	case *eth.GenericBeaconBlock_BlindedBellatrix:
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_BlindedBellatrix{BlindedBellatrix: &eth.SignedBlindedBeaconBlockBellatrix{Block: b.BlindedBellatrix}})
+	case *eth.GenericBeaconBlock_Capella:
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_Capella{Capella: &eth.SignedBeaconBlockCapella{Block: b.Capella}})
+	case *eth.GenericBeaconBlock_BlindedCapella:
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_BlindedCapella{BlindedCapella: &eth.SignedBlindedBeaconBlockCapella{Block: b.BlindedCapella}})
+	case *eth.GenericBeaconBlock_Deneb:
+		// no need for sidecar
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_Deneb{Deneb: &eth.SignedBeaconBlockAndBlobsDeneb{Block: &eth.SignedBeaconBlockDeneb{Block: b.Deneb.Block}}})
+	case *eth.GenericBeaconBlock_BlindedDeneb:
+		// no need for sidecar
+		wrapper, err = blocks.NewSignedBeaconBlock(&eth.GenericSignedBeaconBlock_BlindedDeneb{BlindedDeneb: &eth.SignedBlindedBeaconBlockAndBlobsDeneb{SignedBlindedBlock: &eth.SignedBlindedBeaconBlockDeneb{Message: b.BlindedDeneb.Block}}})
+	default:
+		return "", &http2.DefaultErrorJson{
+			Message: fmt.Errorf("type %T is not supported", b).Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+	if err != nil {
+		return "", &http2.DefaultErrorJson{
+			Message: err.Error(),
+			Code:    http.StatusInternalServerError,
+		}
+	}
+
+	//get consensus payload value which is the same as the total from the block rewards api
+	blockRewards, httpError := blockRewardsFetcher.GetBlockRewardsData(ctx, wrapper)
+	if httpError != nil {
+		return "", httpError
+	}
+	return blockRewards.Total, nil
+}
+
 func handleProducePhase0V3(
 	ctx context.Context,
 	w http.ResponseWriter,
@@ -169,6 +228,7 @@ func handleProducePhase0V3(
 		Version:                 version.String(version.Phase0),
 		ExecutionPayloadBlinded: false,
 		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue), // mev not available at this point
+		ConsensusBlockValue:     "",                              // rewards not applicable before altair
 		Data:                    jsonBytes,
 	})
 }
@@ -178,10 +238,12 @@ func handleProduceAltairV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_Altair,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceAltairV3")
 	defer span.End()
+
 	if isSSZ {
 		sszResp, err := blk.Altair.MarshalSSZ()
 		if err != nil {
@@ -204,7 +266,8 @@ func handleProduceAltairV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Altair),
 		ExecutionPayloadBlinded: false,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue), // mev not available at this point
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue), // mev not available at this point
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -214,7 +277,8 @@ func handleProduceBellatrixV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_Bellatrix,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceBellatrixV3")
 	defer span.End()
@@ -240,7 +304,8 @@ func handleProduceBellatrixV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Bellatrix),
 		ExecutionPayloadBlinded: false,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue), // mev not available at this point
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue), // mev not available at this point
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -250,7 +315,8 @@ func handleProduceBlindedBellatrixV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_BlindedBellatrix,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceBlindedBellatrixV3")
 	defer span.End()
@@ -276,7 +342,8 @@ func handleProduceBlindedBellatrixV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Bellatrix),
 		ExecutionPayloadBlinded: true,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue),
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue),
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -286,7 +353,8 @@ func handleProduceBlindedCapellaV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_BlindedCapella,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceBlindedCapellaV3")
 	defer span.End()
@@ -312,7 +380,8 @@ func handleProduceBlindedCapellaV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Capella),
 		ExecutionPayloadBlinded: true,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue),
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue),
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -322,7 +391,8 @@ func handleProduceCapellaV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_Capella,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceCapellaV3")
 	defer span.End()
@@ -348,7 +418,8 @@ func handleProduceCapellaV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Capella),
 		ExecutionPayloadBlinded: false,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue), // mev not available at this point
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue), // mev not available at this point
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -358,7 +429,8 @@ func handleProduceBlindedDenebV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_BlindedDeneb,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusPayloadValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceBlindedDenebV3")
 	defer span.End()
@@ -384,7 +456,8 @@ func handleProduceBlindedDenebV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Deneb),
 		ExecutionPayloadBlinded: true,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue),
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue),
+		ConsensusBlockValue:     consensusPayloadValue,
 		Data:                    jsonBytes,
 	})
 }
@@ -394,7 +467,8 @@ func handleProduceDenebV3(
 	w http.ResponseWriter,
 	isSSZ bool,
 	blk *eth.GenericBeaconBlock_Deneb,
-	payloadValue uint64,
+	executionPayloadValue uint64,
+	consensusBlockValue string,
 ) {
 	_, span := trace.StartSpan(ctx, "validator.ProduceBlockV3.internal.handleProduceDenebV3")
 	defer span.End()
@@ -420,7 +494,8 @@ func handleProduceDenebV3(
 	http2.WriteJson(w, &ProduceBlockV3Response{
 		Version:                 version.String(version.Deneb),
 		ExecutionPayloadBlinded: false,
-		ExecutionPayloadValue:   fmt.Sprintf("%d", payloadValue), // mev not available at this point
+		ExecutionPayloadValue:   fmt.Sprintf("%d", executionPayloadValue), // mev not available at this point
+		ConsensusBlockValue:     consensusBlockValue,
 		Data:                    jsonBytes,
 	})
 }
--- a/beacon-chain/rpc/eth/validator/handlers_block_test.go
+++ b/beacon-chain/rpc/eth/validator/handlers_block_test.go
@@ -12,6 +12,8 @@ import (
 	"github.com/golang/mock/gomock"
 	"github.com/prysmaticlabs/prysm/v4/api"
 	blockchainTesting "github.com/prysmaticlabs/prysm/v4/beacon-chain/blockchain/testing"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards"
+	rewardtesting "github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards/testing"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/shared"
 	rpctesting "github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/shared/testing"
 	mockSync "github.com/prysmaticlabs/prysm/v4/beacon-chain/sync/initial-sync/testing"
@@ -46,26 +48,31 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"phase0","execution_payload_blinded":false,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"phase0","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "", true)
 	})
 	t.Run("Altair", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockAltair
 		err := json.Unmarshal([]byte(rpctesting.AltairBlock), &block)
+
 		require.NoError(t, err)
 		jsonBytes, err := json.Marshal(block.Message)
 		require.NoError(t, err)
 		v1alpha1Server := mock2.NewMockBeaconNodeValidatorServer(ctrl)
 		v1alpha1Server.EXPECT().GetBeaconBlock(gomock.Any(), gomock.Any()).Return(
 			func() (*eth.GenericBeaconBlock, error) {
+
 				return block.Message.ToGeneric()
 			}())
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
-			V1Alpha1Server: v1alpha1Server,
-			SyncChecker:    &mockSync.Sync{IsSyncing: false},
+			V1Alpha1Server:     v1alpha1Server,
+			SyncChecker:        &mockSync.Sync{IsSyncing: false},
+			BlockRewardFetcher: &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -74,11 +81,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"altair","execution_payload_blinded":false,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"altair","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Bellatrix", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockBellatrix
@@ -92,10 +100,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return block.Message.ToGeneric()
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -104,11 +114,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":false,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("BlindedBellatrix", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockBellatrix
@@ -122,10 +133,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return block.Message.ToGeneric()
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -134,11 +147,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":true,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":true,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Capella", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockCapella
@@ -152,10 +166,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return block.Message.ToGeneric()
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -164,11 +180,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":false,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Blinded Capella", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockCapella
@@ -185,10 +202,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return g, err
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -197,11 +216,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":true,"execution_payload_value":"2000","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":true,"execution_payload_value":"2000","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "2000", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Deneb", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockContentsDeneb
@@ -215,10 +235,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return block.ToUnsigned().ToGeneric()
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -227,11 +249,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":false,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Blinded Deneb", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockContentsDeneb
@@ -245,10 +268,12 @@ func TestProduceBlockV3(t *testing.T) {
 				return block.ToUnsigned().ToGeneric()
 			}())
 		mockChainService := &blockchainTesting.ChainService{}
+		mockRewards := &rewards.BlockRewards{Total: "10"}
 		server := &Server{
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -257,11 +282,12 @@ func TestProduceBlockV3(t *testing.T) {
 		writer.Body = &bytes.Buffer{}
 		server.ProduceBlockV3(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
-		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":true,"execution_payload_value":"0","data":%s}`, string(jsonBytes))
+		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":true,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("invalid query parameter slot empty", func(t *testing.T) {
 		v1alpha1Server := mock2.NewMockBeaconNodeValidatorServer(ctrl)
@@ -321,6 +347,7 @@ func TestProduceBlockV3(t *testing.T) {

 func TestProduceBlockV3SSZ(t *testing.T) {
 	ctrl := gomock.NewController(t)
+	mockRewards := &rewards.BlockRewards{Total: "10"}
 	t.Run("Phase 0", func(t *testing.T) {
 		var block *shared.SignedBeaconBlock
 		err := json.Unmarshal([]byte(rpctesting.Phase0Block), &block)
@@ -351,6 +378,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "", true)
 	})
 	t.Run("Altair", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockAltair
@@ -361,9 +389,11 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			func() (*eth.GenericBeaconBlock, error) {
 				return block.Message.ToGeneric()
 			}())
+
 		server := &Server{
-			V1Alpha1Server: v1alpha1Server,
-			SyncChecker:    &mockSync.Sync{IsSyncing: false},
+			V1Alpha1Server:     v1alpha1Server,
+			SyncChecker:        &mockSync.Sync{IsSyncing: false},
+			BlockRewardFetcher: &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -382,6 +412,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Bellatrix", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockBellatrix
@@ -397,6 +428,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -415,6 +447,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("BlindedBellatrix", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockBellatrix
@@ -430,6 +463,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -448,6 +482,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Capella", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockCapella
@@ -463,6 +498,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -481,6 +517,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Blinded Capella", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockCapella
@@ -499,6 +536,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -517,6 +555,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "2000", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Deneb", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockContentsDeneb
@@ -532,6 +571,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -550,6 +590,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 	t.Run("Blinded Deneb", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockContentsDeneb
@@ -565,6 +606,7 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 			V1Alpha1Server:        v1alpha1Server,
 			SyncChecker:           &mockSync.Sync{IsSyncing: false},
 			OptimisticModeFetcher: mockChainService,
+			BlockRewardFetcher:    &rewardtesting.MockBlockRewardFetcher{Rewards: mockRewards},
 		}
 		rr := "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505" +
 			"&graffiti=0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"
@@ -583,5 +625,6 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		require.Equal(t, string(ssz), writer.Body.String())
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
 		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
+		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
 	})
 }
--- a/beacon-chain/rpc/eth/validator/server.go
+++ b/beacon-chain/rpc/eth/validator/server.go
@@ -10,6 +10,7 @@ import (
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/operations/synccommittee"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/p2p"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/core"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/rewards"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/lookup"
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/sync"
 	eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
@@ -34,4 +35,5 @@ type Server struct {
 	BlockBuilder           builder.BlockBuilder
 	OperationNotifier      operation.Notifier
 	CoreService            *core.Service
+	BlockRewardFetcher     rewards.BlockRewardsFetcher
 }
--- a/beacon-chain/rpc/eth/validator/structs.go
+++ b/beacon-chain/rpc/eth/validator/structs.go
@@ -78,6 +78,7 @@ type ProduceBlockV3Response struct {
 	Version                 string          `json:"version"`
 	ExecutionPayloadBlinded bool            `json:"execution_payload_blinded"`
 	ExecutionPayloadValue   string          `json:"execution_payload_value"`
+	ConsensusBlockValue     string          `json:"consensus_block_value"`
 	Data                    json.RawMessage `json:"data"` // represents the block values based on the version
 }

--- a/beacon-chain/rpc/service.go
+++ b/beacon-chain/rpc/service.go
@@ -211,15 +211,15 @@ func (s *Service) Start() {
 		BeaconDB:         s.cfg.BeaconDB,
 		ChainInfoFetcher: s.cfg.ChainInfoFetcher,
 	}
-
+	rewardFetcher := &rewards.BlockRewardService{Replayer: ch}
 	rewardsServer := &rewards.Server{
 		Blocker:               blocker,
 		OptimisticModeFetcher: s.cfg.OptimisticModeFetcher,
 		FinalizationFetcher:   s.cfg.FinalizationFetcher,
-		ReplayerBuilder:       ch,
 		TimeFetcher:           s.cfg.GenesisTimeFetcher,
 		Stater:                stater,
 		HeadFetcher:           s.cfg.HeadFetcher,
+		BlockRewardFetcher:    rewardFetcher,
 	}

 	s.cfg.Router.HandleFunc("/eth/v1/beacon/rewards/blocks/{block_id}", rewardsServer.BlockRewards).Methods(http.MethodGet)
@@ -304,6 +304,7 @@ func (s *Service) Start() {
 		BlockBuilder:           s.cfg.BlockBuilder,
 		OperationNotifier:      s.cfg.OperationNotifier,
 		CoreService:            coreService,
+		BlockRewardFetcher:     rewardFetcher,
 	}

 	s.cfg.Router.HandleFunc("/eth/v1/validator/aggregate_attestation", validatorServerV1.GetAggregateAttestation).Methods(http.MethodGet)
--- a/proto/prysm/v1alpha1/attestation/attestation_utils.go
+++ b/proto/prysm/v1alpha1/attestation/attestation_utils.go
@@ -73,7 +73,8 @@ func AttestingIndices(bf bitfield.Bitfield, committee []primitives.ValidatorInde
 		return nil, fmt.Errorf("bitfield length %d is not equal to committee length %d", bf.Len(), len(committee))
 	}
 	indices := make([]uint64, 0, bf.Count())
-	for _, idx := range bf.BitIndices() {
+	p := bf.BitIndices()
+	for _, idx := range p {
 		if idx < len(committee) {
 			indices = append(indices, uint64(committee[idx]))
 		}
@@ -104,6 +105,7 @@ func VerifyIndexedAttestationSig(ctx context.Context, indexedAtt *ethpb.IndexedA
 	ctx, span := trace.StartSpan(ctx, "attestationutil.VerifyIndexedAttestationSig")
 	defer span.End()
 	indices := indexedAtt.AttestingIndices
+
 	messageHash, err := signing.ComputeSigningRoot(indexedAtt.Data, domain)
 	if err != nil {
 		return errors.Wrap(err, "could not get signing root of object")