Add gossip for payload envelope

This PR implements gossip validation and subscription for payload
attestation

.ethspecify.yml

@@ -1,4 +1,4 @@
-version: v1.7.0-alpha.1
+version: v1.7.0-alpha.2
 style: full
 
 specrefs:
@@ -146,7 +146,6 @@ exceptions:
     - g1_lincomb#deneb
     - hash_to_bls_field#deneb
     - is_power_of_two#deneb
-    - multi_exp#deneb
     - reverse_bits#deneb
     - validate_kzg_g1#deneb
     - verify_blob_kzg_proof#deneb
@@ -386,7 +385,8 @@ exceptions:
     - convert_builder_index_to_validator_index#gloas
     - convert_validator_index_to_builder_index#gloas
     - get_attestation_score#gloas
-    - get_builder_from_deposit#gloas
+    - get_attestation_score#phase0
+    - get_balance_after_withdrawals#capella
     - get_builder_withdrawals#gloas
     - get_builders_sweep_withdrawals#gloas
     - get_index_for_new_builder#gloas
@@ -396,13 +396,18 @@ exceptions:
     - initiate_builder_exit#gloas
     - is_active_builder#gloas
     - is_builder_index#gloas
+    - is_data_available#gloas
+    - is_eligible_for_partial_withdrawals#electra
     - is_head_late#gloas
     - is_head_weak#gloas
     - is_parent_strong#gloas
     - is_valid_proposal_slot#gloas
+    - onboard_builders_from_pending_deposits#gloas
     - process_deposit_request#gloas
     - process_voluntary_exit#gloas
     - record_block_timeliness#gloas
+    - record_block_timeliness#phase0
+    - verify_data_column_sidecar_kzg_proofs#gloas
     - should_apply_proposer_boost#gloas
     - update_builder_pending_withdrawals#gloas
     - update_next_withdrawal_builder_index#gloas

WORKSPACE

@@ -273,16 +273,16 @@ filegroup(
     url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )
 
-consensus_spec_version = "v1.7.0-alpha.1"
+consensus_spec_version = "v1.7.0-alpha.2"
 
 load("@prysm//tools:download_spectests.bzl", "consensus_spec_tests")
 
 consensus_spec_tests(
     name = "consensus_spec_tests",
     flavors = {
-        "general": "sha256-j5R3jA7Oo4OSDMTvpMuD+8RomaCByeFSwtfkq6fL0Zg=",
-        "minimal": "sha256-tdTqByoyswOS4r6OxFmo70y2BP7w1TgEok+gf4cbxB0=",
-        "mainnet": "sha256-5gB4dt6SnSDKzdBc06VedId3NkgvSYyv9n9FRxWKwYI=",
+        "general": "sha256-iGQsGZ1cHah+2CSod9jC3kN8Ku4n6KO0hIwfINrn/po=",
+        "minimal": "sha256-TgcYt8N8sXSttdHTGvOa+exUZ1zn1UzlAMz0V7i37xc=",
+        "mainnet": "sha256-LnXyiLoJtrvEvbqLDSAAqpLMdN/lXv92SAgYG8fNjCs=",
     },
     version = consensus_spec_version,
 )
@@ -298,7 +298,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-J+43DrK1pF658kTXTwMS6zGf4KDjvas++m8w2a8swpg=",
+    integrity = "sha256-Y/67Dg393PksZj5rTFNLntiJ6hNdB7Rxbu5gZE2gebY=",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )

api/server/structs/block.go

@@ -509,17 +509,17 @@ func (s *SignedBlindedBeaconBlockFulu) SigString() string {
 // ----------------------------------------------------------------------------
 
 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"`
+	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"`
+	BlobKzgCommitments []string `json:"blob_kzg_commitments"`
 }
 
 type SignedExecutionPayloadBid struct {

api/server/structs/conversions_block.go

@@ -2939,18 +2939,22 @@ func SignedExecutionPayloadBidFromConsensus(b *eth.SignedExecutionPayloadBid) *S
 }
 
 func ExecutionPayloadBidFromConsensus(b *eth.ExecutionPayloadBid) *ExecutionPayloadBid {
+	blobKzgCommitments := make([]string, len(b.BlobKzgCommitments))
+	for i := range b.BlobKzgCommitments {
+		blobKzgCommitments[i] = hexutil.Encode(b.BlobKzgCommitments[i])
+	}
 	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),
+		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),
+		BlobKzgCommitments: blobKzgCommitments,
 	}
 }
 
@@ -3187,22 +3191,30 @@ func (b *ExecutionPayloadBid) ToConsensus() (*eth.ExecutionPayloadBid, error) {
 	if err != nil {
 		return nil, server.NewDecodeError(err, "ExecutionPayment")
 	}
-	blobKzgCommitmentsRoot, err := bytesutil.DecodeHexWithLength(b.BlobKzgCommitmentsRoot, fieldparams.RootLength)
+	err = slice.VerifyMaxLength(b.BlobKzgCommitments, fieldparams.MaxBlobCommitmentsPerBlock)
 	if err != nil {
-		return nil, server.NewDecodeError(err, "BlobKzgCommitmentsRoot")
+		return nil, server.NewDecodeError(err, "BlobKzgCommitments")
+	}
+	blobKzgCommitments := make([][]byte, len(b.BlobKzgCommitments))
+	for i, commitment := range b.BlobKzgCommitments {
+		kzg, err := bytesutil.DecodeHexWithLength(commitment, fieldparams.BLSPubkeyLength)
+		if err != nil {
+			return nil, server.NewDecodeError(err, fmt.Sprintf("BlobKzgCommitments[%d]", i))
+		}
+		blobKzgCommitments[i] = kzg
 	}
 	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,
+		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),
+		BlobKzgCommitments: blobKzgCommitments,
 	}, nil
 }
 

beacon-chain/blockchain/BUILD.bazel

@@ -27,6 +27,8 @@ go_library(
         "receive_blob.go",
         "receive_block.go",
         "receive_data_column.go",
+        "receive_execution_payload_envelope.go",
+        "receive_payload_attestation_message.go",
         "service.go",
         "setup_forkchoice.go",
         "tracked_proposer.go",

beacon-chain/blockchain/execution_engine.go

@@ -101,16 +101,11 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *fcuConfig) (*
 			if len(lastValidHash) == 0 {
 				lastValidHash = defaultLatestValidHash
 			}
-			// this call has guaranteed to have the `headRoot` with its payload in forkchoice.
-			invalidRoots, err := s.cfg.ForkChoiceStore.SetOptimisticToInvalid(ctx, headRoot, headBlk.ParentRoot(), bytesutil.ToBytes32(headPayload.ParentHash()), bytesutil.ToBytes32(lastValidHash))
+			invalidRoots, err := s.cfg.ForkChoiceStore.SetOptimisticToInvalid(ctx, headRoot, headBlk.ParentRoot(), bytesutil.ToBytes32(lastValidHash))
 			if err != nil {
 				log.WithError(err).Error("Could not set head root to invalid")
 				return nil, nil
 			}
-			// TODO: Gloas, we should not include the head root in this call
-			if len(invalidRoots) == 0 || invalidRoots[0] != headRoot {
-				invalidRoots = append([][32]byte{headRoot}, invalidRoots...)
-			}
 			if err := s.removeInvalidBlockAndState(ctx, invalidRoots); err != nil {
 				log.WithError(err).Error("Could not remove invalid block and state")
 				return nil, nil
@@ -295,10 +290,10 @@ func (s *Service) notifyNewPayload(ctx context.Context, stVersion int, header in
 	return false, errors.WithMessage(ErrUndefinedExecutionEngineError, err.Error())
 }
 
-// pruneInvalidBlock deals with the event that an invalid block was detected by the execution layer
-func (s *Service) pruneInvalidBlock(ctx context.Context, root, parentRoot, parentHash [32]byte, lvh [32]byte) error {
+// reportInvalidBlock deals with the event that an invalid block was detected by the execution layer
+func (s *Service) pruneInvalidBlock(ctx context.Context, root, parentRoot, lvh [32]byte) error {
 	newPayloadInvalidNodeCount.Inc()
-	invalidRoots, err := s.cfg.ForkChoiceStore.SetOptimisticToInvalid(ctx, root, parentRoot, parentHash, lvh)
+	invalidRoots, err := s.cfg.ForkChoiceStore.SetOptimisticToInvalid(ctx, root, parentRoot, lvh)
 	if err != nil {
 		return err
 	}

beacon-chain/blockchain/execution_engine_test.go

@@ -465,9 +465,9 @@ func Test_NotifyForkchoiceUpdateRecursive_DoublyLinkedTree(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, brd, headRoot)
 
-	// Ensure F and G's full nodes were removed but their empty (consensus) nodes remain, as does E
-	require.Equal(t, true, fcs.HasNode(brf))
-	require.Equal(t, true, fcs.HasNode(brg))
+	// Ensure F and G where removed but their parent E wasn't
+	require.Equal(t, false, fcs.HasNode(brf))
+	require.Equal(t, false, fcs.HasNode(brg))
 	require.Equal(t, true, fcs.HasNode(bre))
 }
 
@@ -703,13 +703,14 @@ func Test_reportInvalidBlock(t *testing.T) {
 	require.NoError(t, fcs.InsertNode(ctx, st, root))
 
 	require.NoError(t, fcs.SetOptimisticToValid(ctx, [32]byte{'A'}))
-	err = service.pruneInvalidBlock(ctx, [32]byte{'D'}, [32]byte{'C'}, [32]byte{'c'}, [32]byte{'a'})
+	err = service.pruneInvalidBlock(ctx, [32]byte{'D'}, [32]byte{'C'}, [32]byte{'a'})
 	require.Equal(t, IsInvalidBlock(err), true)
 	require.Equal(t, InvalidBlockLVH(err), [32]byte{'a'})
 	invalidRoots := InvalidAncestorRoots(err)
-	require.Equal(t, 2, len(invalidRoots))
+	require.Equal(t, 3, len(invalidRoots))
 	require.Equal(t, [32]byte{'D'}, invalidRoots[0])
 	require.Equal(t, [32]byte{'C'}, invalidRoots[1])
+	require.Equal(t, [32]byte{'B'}, invalidRoots[2])
 }
 
 func Test_GetPayloadAttribute(t *testing.T) {
@@ -784,7 +785,7 @@ func Test_GetPayloadAttributeV2(t *testing.T) {
 }
 
 func Test_GetPayloadAttributeV3(t *testing.T) {
-	testCases := []struct {
+	var testCases = []struct {
 		name string
 		st   bstate.BeaconState
 	}{

beacon-chain/blockchain/process_block.go

@@ -232,8 +232,7 @@ func (s *Service) onBlockBatch(ctx context.Context, blks []consensusblocks.ROBlo
 			postVersionAndHeaders[i].version,
 			postVersionAndHeaders[i].header, b)
 		if err != nil {
-			// this call does not have the root in forkchoice yet.
-			return s.handleInvalidExecutionError(ctx, err, root, b.Block().ParentRoot(), [32]byte(postVersionAndHeaders[i].header.ParentHash()))
+			return s.handleInvalidExecutionError(ctx, err, root, b.Block().ParentRoot())
 		}
 		if isValidPayload {
 			if err := s.validateMergeTransitionBlock(ctx, preVersionAndHeaders[i].version,
@@ -993,9 +992,9 @@ func (s *Service) waitForSync() error {
 	}
 }
 
-func (s *Service) handleInvalidExecutionError(ctx context.Context, err error, blockRoot, parentRoot [32]byte, parentHash [32]byte) error {
+func (s *Service) handleInvalidExecutionError(ctx context.Context, err error, blockRoot, parentRoot [fieldparams.RootLength]byte) error {
 	if IsInvalidBlock(err) && InvalidBlockLVH(err) != [32]byte{} {
-		return s.pruneInvalidBlock(ctx, blockRoot, parentRoot, parentHash, InvalidBlockLVH(err))
+		return s.pruneInvalidBlock(ctx, blockRoot, parentRoot, InvalidBlockLVH(err))
 	}
 	return err
 }

beacon-chain/blockchain/process_block_test.go

@@ -2006,7 +2006,6 @@ func TestNoViableHead_Reboot(t *testing.T) {
 	// Check that we have justified the second epoch
 	jc := service.cfg.ForkChoiceStore.JustifiedCheckpoint()
 	require.Equal(t, primitives.Epoch(2), jc.Epoch)
-	time.Sleep(20 * time.Millisecond) // wait for async forkchoice update to be processed
 
 	// import block 19 to find out that the whole chain 13--18 was in fact
 	// invalid

beacon-chain/blockchain/receive_block.go

@@ -633,7 +633,7 @@ func (s *Service) validateExecutionOnBlock(ctx context.Context, ver int, header
 	isValidPayload, err := s.notifyNewPayload(ctx, ver, header, block)
 	if err != nil {
 		s.cfg.ForkChoiceStore.Lock()
-		err = s.handleInvalidExecutionError(ctx, err, block.Root(), block.Block().ParentRoot(), [32]byte(header.BlockHash()))
+		err = s.handleInvalidExecutionError(ctx, err, block.Root(), block.Block().ParentRoot())
 		s.cfg.ForkChoiceStore.Unlock()
 		return false, err
 	}

beacon-chain/blockchain/receive_execution_payload_envelope.go

@@ -0,0 +1,19 @@
+package blockchain
+
+import (
+	"context"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+)
+
+// ExecutionPayloadEnvelopeReceiver interface defines the methods of chain service for receiving
+// validated execution payload envelopes.
+type ExecutionPayloadEnvelopeReceiver interface {
+	ReceiveExecutionPayloadEnvelope(context.Context, interfaces.ROSignedExecutionPayloadEnvelope) error
+}
+
+// ReceiveExecutionPayloadEnvelope accepts a signed execution payload envelope.
+func (s *Service) ReceiveExecutionPayloadEnvelope(_ context.Context, _ interfaces.ROSignedExecutionPayloadEnvelope) error {
+	// TODO: wire into execution payload envelope processing pipeline.
+	return nil
+}

beacon-chain/blockchain/receive_payload_attestation_message.go

@@ -0,0 +1,19 @@
+package blockchain
+
+import (
+	"context"
+
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+// PayloadAttestationReceiver interface defines the methods of chain service for receiving
+// validated payload attestation messages.
+type PayloadAttestationReceiver interface {
+	ReceivePayloadAttestationMessage(context.Context, *ethpb.PayloadAttestationMessage) error
+}
+
+// ReceivePayloadAttestationMessage accepts a payload attestation message.
+func (s *Service) ReceivePayloadAttestationMessage(ctx context.Context, a *ethpb.PayloadAttestationMessage) error {
+	// TODO: Handle payload attestation message processing once Gloas is fully wired.
+	return nil
+}

beacon-chain/blockchain/testing/mock.go

@@ -757,6 +757,16 @@ func (c *ChainService) ReceiveDataColumns(dcs []blocks.VerifiedRODataColumn) err
 	return nil
 }
 
+// ReceivePayloadAttestationMessage implements the same method in the chain service.
+func (c *ChainService) ReceivePayloadAttestationMessage(_ context.Context, _ *ethpb.PayloadAttestationMessage) error {
+	return nil
+}
+
+// ReceiveExecutionPayloadEnvelope implements the same method in the chain service.
+func (c *ChainService) ReceiveExecutionPayloadEnvelope(_ context.Context, _ interfaces.ROSignedExecutionPayloadEnvelope) error {
+	return nil
+}
+
 // DependentRootForEpoch mocks the same method in the chain service
 func (c *ChainService) DependentRootForEpoch(_ [32]byte, _ primitives.Epoch) ([32]byte, error) {
 	return c.TargetRoot, nil

beacon-chain/cache/BUILD.bazel

@@ -17,6 +17,7 @@ go_library(
         "error.go",
         "interfaces.go",
         "log.go",
+        "payload_attestation.go",
         "payload_id.go",
         "proposer_indices.go",
         "proposer_indices_disabled.go",  # keep
@@ -76,6 +77,7 @@ go_test(
         "checkpoint_state_test.go",
         "committee_fuzz_test.go",
         "committee_test.go",
+        "payload_attestation_test.go",
         "payload_id_test.go",
         "private_access_test.go",
         "proposer_indices_test.go",

beacon-chain/cache/payload_attestation.go

@@ -0,0 +1,53 @@
+package cache
+
+import (
+	"sync"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+)
+
+// PayloadAttestationCache tracks seen payload attestation messages for a single slot.
+type PayloadAttestationCache struct {
+	slot primitives.Slot
+	seen map[primitives.ValidatorIndex]struct{}
+	mu   sync.RWMutex
+}
+
+// Seen returns true if a vote for the given slot has already been
+// processed for this validator index.
+func (p *PayloadAttestationCache) Seen(slot primitives.Slot, idx primitives.ValidatorIndex) bool {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+	if p.slot != slot {
+		return false
+	}
+	if p.seen == nil {
+		return false
+	}
+	_, ok := p.seen[idx]
+	return ok
+}
+
+// Add marks the given slot and validator index as seen.
+// This function assumes that the message has already been validated.
+func (p *PayloadAttestationCache) Add(slot primitives.Slot, idx primitives.ValidatorIndex) error {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	if p.slot != slot {
+		p.slot = slot
+		p.seen = make(map[primitives.ValidatorIndex]struct{})
+	}
+	if p.seen == nil {
+		p.seen = make(map[primitives.ValidatorIndex]struct{})
+	}
+	p.seen[idx] = struct{}{}
+	return nil
+}
+
+// Clear clears the internal cache.
+func (p *PayloadAttestationCache) Clear() {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	p.slot = 0
+	p.seen = nil
+}

beacon-chain/cache/payload_attestation_test.go

@@ -0,0 +1,48 @@
+package cache_test
+
+import (
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPayloadAttestationCache_SeenAndAdd(t *testing.T) {
+	var c cache.PayloadAttestationCache
+	slot1 := primitives.Slot(1)
+	slot2 := primitives.Slot(2)
+	idx1 := primitives.ValidatorIndex(3)
+	idx2 := primitives.ValidatorIndex(4)
+
+	require.False(t, c.Seen(slot1, idx1))
+
+	require.NoError(t, c.Add(slot1, idx1))
+	require.True(t, c.Seen(slot1, idx1))
+	require.False(t, c.Seen(slot1, idx2))
+	require.False(t, c.Seen(slot2, idx1))
+
+	require.NoError(t, c.Add(slot1, idx2))
+	require.True(t, c.Seen(slot1, idx1))
+	require.True(t, c.Seen(slot1, idx2))
+
+	require.NoError(t, c.Add(slot2, idx1))
+	require.True(t, c.Seen(slot2, idx1))
+	require.False(t, c.Seen(slot1, idx1))
+	require.False(t, c.Seen(slot1, idx2))
+}
+
+func TestPayloadAttestationCache_Clear(t *testing.T) {
+	var c cache.PayloadAttestationCache
+	slot := primitives.Slot(10)
+	idx := primitives.ValidatorIndex(42)
+
+	require.NoError(t, c.Add(slot, idx))
+	require.True(t, c.Seen(slot, idx))
+
+	c.Clear()
+	require.False(t, c.Seen(slot, idx))
+
+	require.NoError(t, c.Add(slot, idx))
+	require.True(t, c.Seen(slot, idx))
+}

beacon-chain/core/gloas/bid.go

@@ -18,7 +18,7 @@ import (
 
 // ProcessExecutionPayloadBid processes a signed execution payload bid in the Gloas fork.
 //
-//	<spec fn="process_execution_payload_bid" fork="gloas" hash="6dc696bb">
+//	<spec fn="process_execution_payload_bid" fork="gloas" hash="823c9f3a">
 //	def process_execution_payload_bid(state: BeaconState, block: BeaconBlock) -> None:
 //	    signed_bid = block.body.signed_execution_payload_bid
 //	    bid = signed_bid.message
@@ -37,6 +37,12 @@ import (
 //	        # Verify that the bid signature is valid
 //	        assert verify_execution_payload_bid_signature(state, signed_bid)
 //
+//	    # Verify commitments are under limit
+//	    assert (
+//	        len(bid.blob_kzg_commitments)
+//	        <= get_blob_parameters(get_current_epoch(state)).max_blobs_per_block
+//	    )
+//
 //	    # Verify that the bid is for the current slot
 //	    assert bid.slot == block.slot
 //	    # Verify that the bid is for the right parent block
@@ -109,6 +115,12 @@ func ProcessExecutionPayloadBid(st state.BeaconState, block interfaces.ReadOnlyB
 		}
 	}
 
+	maxBlobsPerBlock := params.BeaconConfig().MaxBlobsPerBlockAtEpoch(slots.ToEpoch(block.Slot()))
+	commitmentCount := bid.BlobKzgCommitmentCount()
+	if commitmentCount > uint64(maxBlobsPerBlock) {
+		return fmt.Errorf("bid has %d blob KZG commitments over max %d", commitmentCount, maxBlobsPerBlock)
+	}
+
 	if err := validateBidConsistency(st, bid, block); err != nil {
 		return errors.Wrap(err, "bid consistency validation failed")
 	}

beacon-chain/core/gloas/bid_test.go

@@ -184,6 +184,28 @@ func signBid(t *testing.T, sk common.SecretKey, bid *ethpb.ExecutionPayloadBid,
 	return out
 }
 
+func blobCommitmentsForSlot(slot primitives.Slot, count int) [][]byte {
+	max := int(params.BeaconConfig().MaxBlobsPerBlockAtEpoch(slots.ToEpoch(slot)))
+	if count > max {
+		count = max
+	}
+	commitments := make([][]byte, count)
+	for i := range commitments {
+		commitments[i] = bytes.Repeat([]byte{0xEE}, 48)
+	}
+	return commitments
+}
+
+func tooManyBlobCommitmentsForSlot(slot primitives.Slot) [][]byte {
+	max := int(params.BeaconConfig().MaxBlobsPerBlockAtEpoch(slots.ToEpoch(slot)))
+	count := max + 1
+	commitments := make([][]byte, count)
+	for i := range commitments {
+		commitments[i] = bytes.Repeat([]byte{0xEE}, 48)
+	}
+	return commitments
+}
+
 func TestProcessExecutionPayloadBid_SelfBuildSuccess(t *testing.T) {
 	slot := primitives.Slot(12)
 	proposerIdx := primitives.ValidatorIndex(0)
@@ -194,17 +216,17 @@ func TestProcessExecutionPayloadBid_SelfBuildSuccess(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinActivationBalance+1000, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  0,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xCC}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xDD}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              0,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xFF}, 20),
 	}
 	signed := &ethpb.SignedExecutionPayloadBid{
 		Message:   bid,
@@ -236,16 +258,16 @@ func TestProcessExecutionPayloadBid_SelfBuildNonZeroAmountFails(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinActivationBalance+1000, randao, latestHash, [48]byte{})
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xAA}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xBB}, 32),
-		PrevRandao:             randao[:],
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xCC}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xDD}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xAA}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xBB}, 32),
+		PrevRandao:         randao[:],
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              10,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xDD}, 20),
 	}
 	signed := &ethpb.SignedExecutionPayloadBid{
 		Message:   bid,
@@ -280,17 +302,17 @@ func TestProcessExecutionPayloadBid_PendingPaymentAndCacheBid(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, balance, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  500_000,
-		ExecutionPayment:       1,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xCC}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xDD}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              500_000,
+		ExecutionPayment:   1,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xFF}, 20),
 	}
 
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
@@ -341,17 +363,17 @@ func TestProcessExecutionPayloadBid_BuilderNotActive(t *testing.T) {
 	state = stateIface.(*state_native.BeaconState)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0x03}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x04}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x05}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x06}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0x03}, 32),
+		BlockHash:          bytes.Repeat([]byte{0x04}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              10,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0x06}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)
@@ -394,17 +416,17 @@ func TestProcessExecutionPayloadBid_CannotCoverBid(t *testing.T) {
 	state = stateIface.(*state_native.BeaconState)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  25,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xCC}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xDD}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              25,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xFF}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)
@@ -436,17 +458,17 @@ func TestProcessExecutionPayloadBid_InvalidSignature(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xCC}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xDD}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              10,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xFF}, 20),
 	}
 	// Use an invalid signature.
 	invalidSig := [96]byte{1}
@@ -463,6 +485,42 @@ func TestProcessExecutionPayloadBid_InvalidSignature(t *testing.T) {
 	require.ErrorContains(t, "bid signature validation failed", err)
 }
 
+func TestProcessExecutionPayloadBid_TooManyBlobCommitments(t *testing.T) {
+	slot := primitives.Slot(9)
+	proposerIdx := primitives.ValidatorIndex(0)
+	builderIdx := params.BeaconConfig().BuilderIndexSelfBuild
+	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
+	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
+	pubKey := [48]byte{}
+	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinActivationBalance+1000, randao, latestHash, pubKey)
+
+	bid := &ethpb.ExecutionPayloadBid{
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xCC}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xDD}, 32),
+		PrevRandao:         randao[:],
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		BlobKzgCommitments: tooManyBlobCommitmentsForSlot(slot),
+		FeeRecipient:       bytes.Repeat([]byte{0xFF}, 20),
+	}
+	signed := &ethpb.SignedExecutionPayloadBid{
+		Message:   bid,
+		Signature: common.InfiniteSignature[:],
+	}
+
+	block := stubBlock{
+		slot:       slot,
+		proposer:   proposerIdx,
+		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
+		body:       stubBlockBody{signedBid: signed},
+		v:          version.Gloas,
+	}
+
+	err := ProcessExecutionPayloadBid(state, block)
+	require.ErrorContains(t, "blob KZG commitments over max", err)
+}
+
 func TestProcessExecutionPayloadBid_SlotMismatch(t *testing.T) {
 	slot := primitives.Slot(10)
 	builderIdx := primitives.BuilderIndex(1)
@@ -478,17 +536,17 @@ func TestProcessExecutionPayloadBid_SlotMismatch(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xAA}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xBB}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot + 1, // mismatch
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xCC}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xDD}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0xAA}, 32),
+		BlockHash:          bytes.Repeat([]byte{0xBB}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot + 1, // mismatch
+		Value:              1,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0xDD}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)
@@ -520,17 +578,17 @@ func TestProcessExecutionPayloadBid_ParentHashMismatch(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        bytes.Repeat([]byte{0x11}, 32), // mismatch
-		ParentBlockRoot:        bytes.Repeat([]byte{0x22}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
+		ParentBlockHash:    bytes.Repeat([]byte{0x11}, 32), // mismatch
+		ParentBlockRoot:    bytes.Repeat([]byte{0x22}, 32),
+		BlockHash:          bytes.Repeat([]byte{0x33}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              1,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0x55}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)
@@ -563,17 +621,17 @@ func TestProcessExecutionPayloadBid_ParentRootMismatch(t *testing.T) {
 
 	parentRoot := bytes.Repeat([]byte{0x22}, 32)
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        parentRoot,
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    parentRoot,
+		BlockHash:          bytes.Repeat([]byte{0x33}, 32),
+		PrevRandao:         randao[:],
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              1,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0x55}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)
@@ -605,17 +663,17 @@ func TestProcessExecutionPayloadBid_PrevRandaoMismatch(t *testing.T) {
 	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
 
 	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0x22}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             bytes.Repeat([]byte{0x01}, 32), // mismatch
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
+		ParentBlockHash:    latestHash[:],
+		ParentBlockRoot:    bytes.Repeat([]byte{0x22}, 32),
+		BlockHash:          bytes.Repeat([]byte{0x33}, 32),
+		PrevRandao:         bytes.Repeat([]byte{0x01}, 32), // mismatch
+		GasLimit:           1,
+		BuilderIndex:       builderIdx,
+		Slot:               slot,
+		Value:              1,
+		ExecutionPayment:   0,
+		BlobKzgCommitments: blobCommitmentsForSlot(slot, 1),
+		FeeRecipient:       bytes.Repeat([]byte{0x55}, 20),
 	}
 	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
 	sig := signBid(t, sk, bid, state.Fork(), genesis)

beacon-chain/core/gloas/payload_attestation.go

@@ -77,7 +77,7 @@ func ProcessPayloadAttestations(ctx context.Context, st state.BeaconState, body
 
 // 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)
+	committee, err := PayloadCommittee(ctx, st, att.Data.Slot)
 	if err != nil {
 		return nil, err
 	}
@@ -96,7 +96,7 @@ func indexedPayloadAttestation(ctx context.Context, st state.ReadOnlyBeaconState
 	}, nil
 }
 
-// payloadCommittee returns the payload timeliness committee for a given slot for the state.
+// PayloadCommittee returns the payload timeliness committee for a given slot for the state.
 //
 //	<spec fn="get_ptc" fork="gloas" hash="ae15f761">
 //	def get_ptc(state: BeaconState, slot: Slot) -> Vector[ValidatorIndex, PTC_SIZE]:
@@ -115,7 +115,7 @@ func indexedPayloadAttestation(ctx context.Context, st state.ReadOnlyBeaconState
 //	        state, indices, seed, size=PTC_SIZE, shuffle_indices=False
 //	    )
 //	</spec>
-func payloadCommittee(ctx context.Context, st state.ReadOnlyBeaconState, slot primitives.Slot) ([]primitives.ValidatorIndex, error) {
+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 {
@@ -264,24 +264,24 @@ func acceptByBalance(st state.ReadOnlyBeaconState, idx primitives.ValidatorIndex
 
 // validIndexedPayloadAttestation verifies the signature of an indexed payload attestation.
 //
-//	<spec fn="is_valid_indexed_payload_attestation" fork="gloas" hash="cf1e65b5">
+//	<spec fn="is_valid_indexed_payload_attestation" fork="gloas" hash="d76e0f89">
 //	def is_valid_indexed_payload_attestation(
-//	    state: BeaconState, indexed_payload_attestation: IndexedPayloadAttestation
+//	    state: BeaconState, attestation: IndexedPayloadAttestation
 //	) -> bool:
 //	    """
-//	    Check if ``indexed_payload_attestation`` is non-empty, has sorted indices, and has
+//	    Check if ``attestation`` is non-empty, has sorted indices, and has
 //	    a valid aggregate signature.
 //	    """
 //	    # Verify indices are non-empty and sorted
-//	    indices = indexed_payload_attestation.attesting_indices
+//	    indices = attestation.attesting_indices
 //	    if len(indices) == 0 or not indices == sorted(indices):
 //	        return False
 //
 //	    # Verify aggregate signature
 //	    pubkeys = [state.validators[i].pubkey for i in indices]
-//	    domain = get_domain(state, DOMAIN_PTC_ATTESTER, None)
-//	    signing_root = compute_signing_root(indexed_payload_attestation.data, domain)
-//	    return bls.FastAggregateVerify(pubkeys, signing_root, indexed_payload_attestation.signature)
+//	    domain = get_domain(state, DOMAIN_PTC_ATTESTER, compute_epoch_at_slot(attestation.data.slot))
+//	    signing_root = compute_signing_root(attestation.data, domain)
+//	    return bls.FastAggregateVerify(pubkeys, signing_root, attestation.signature)
 //	</spec>
 func validIndexedPayloadAttestation(st state.ReadOnlyBeaconState, att *consensus_types.IndexedPayloadAttestation) error {
 	indices := att.AttestingIndices

beacon-chain/core/transition/transition_gloas_test.go

@@ -78,7 +78,7 @@ func newGloasState(t *testing.T, slot primitives.Slot, availability []byte) stat
 			BlockHash:              make([]byte, 32),
 			PrevRandao:             make([]byte, 32),
 			FeeRecipient:           make([]byte, 20),
-			BlobKzgCommitmentsRoot: make([]byte, 32),
+			BlobKzgCommitments:     [][]byte{make([]byte, 48)},
 		},
 		Eth1Data: &ethpb.Eth1Data{
 			DepositRoot: make([]byte, 32),

beacon-chain/db/kv/archived_point.go

@@ -2,6 +2,7 @@ package kv
 
 import (
 	"context"
+	"slices"
 
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
@@ -33,6 +34,9 @@ func (s *Store) LastArchivedRoot(ctx context.Context) [32]byte {
 	if err := s.db.View(func(tx *bolt.Tx) error {
 		bkt := tx.Bucket(stateSlotIndicesBucket)
 		_, blockRoot = bkt.Cursor().Last()
+		if len(blockRoot) > 0 {
+			blockRoot = slices.Clone(blockRoot)
+		}
 		return nil
 	}); err != nil { // This view never returns an error, but we'll handle anyway for sanity.
 		panic(err) // lint:nopanic -- View never returns an error.
@@ -51,6 +55,9 @@ func (s *Store) ArchivedPointRoot(ctx context.Context, slot primitives.Slot) [32
 	if err := s.db.View(func(tx *bolt.Tx) error {
 		bucket := tx.Bucket(stateSlotIndicesBucket)
 		blockRoot = bucket.Get(bytesutil.SlotToBytesBigEndian(slot))
+		if len(blockRoot) > 0 {
+			blockRoot = slices.Clone(blockRoot)
+		}
 		return nil
 	}); err != nil { // This view never returns an error, but we'll handle anyway for sanity.
 		panic(err) // lint:nopanic -- View never returns an error.

beacon-chain/db/kv/blocks.go

@@ -812,7 +812,10 @@ func (s *Store) FeeRecipientByValidatorID(ctx context.Context, id primitives.Val
 	var addr []byte
 	err := s.db.View(func(tx *bolt.Tx) error {
 		bkt := tx.Bucket(feeRecipientBucket)
-		addr = bkt.Get(bytesutil.Uint64ToBytesBigEndian(uint64(id)))
+		stored := bkt.Get(bytesutil.Uint64ToBytesBigEndian(uint64(id)))
+		if len(stored) > 0 {
+			addr = slices.Clone(stored)
+		}
 		// IF the fee recipient is not found in the standard fee recipient bucket, then
 		// check the registration bucket. The fee recipient may be there.
 		// This is to resolve imcompatility until we fully migrate to the registration bucket.
@@ -826,7 +829,7 @@ func (s *Store) FeeRecipientByValidatorID(ctx context.Context, id primitives.Val
 			if err := decode(ctx, enc, reg); err != nil {
 				return err
 			}
-			addr = reg.FeeRecipient
+			addr = slices.Clone(reg.FeeRecipient)
 		}
 		return nil
 	})

beacon-chain/db/kv/deposit_contract.go

@@ -3,6 +3,7 @@ package kv
 import (
 	"context"
 	"fmt"
+	"slices"
 
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
 	"github.com/ethereum/go-ethereum/common"
@@ -17,7 +18,10 @@ func (s *Store) DepositContractAddress(ctx context.Context) ([]byte, error) {
 	var addr []byte
 	if err := s.db.View(func(tx *bolt.Tx) error {
 		chainInfo := tx.Bucket(chainMetadataBucket)
-		addr = chainInfo.Get(depositContractAddressKey)
+		stored := chainInfo.Get(depositContractAddressKey)
+		if len(stored) > 0 {
+			addr = slices.Clone(stored)
+		}
 		return nil
 	}); err != nil { // This view never returns an error, but we'll handle anyway for sanity.
 		panic(err) // lint:nopanic -- View never returns an error.

beacon-chain/db/kv/migration_state_validators.go

@@ -199,7 +199,7 @@ func performValidatorStateMigration(ctx context.Context, bar *progressbar.Progre
 func stateBucketKeys(stateBucket *bolt.Bucket) ([][]byte, error) {
 	var keys [][]byte
 	if err := stateBucket.ForEach(func(pubKey, v []byte) error {
-		keys = append(keys, pubKey)
+		keys = append(keys, bytes.Clone(pubKey))
 		return nil
 	}); err != nil {
 		return nil, err

beacon-chain/db/kv/state_diff.go

@@ -2,6 +2,7 @@ package kv
 
 import (
 	"context"
+	"slices"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
@@ -187,20 +188,23 @@ func (s *Store) getDiff(lvl int, slot uint64) (hdiff.HdiffBytes, error) {
 			return bolt.ErrBucketNotFound
 		}
 		buf := append(key, stateSuffix...)
-		stateDiff = bucket.Get(buf)
-		if stateDiff == nil {
+		rawStateDiff := bucket.Get(buf)
+		if len(rawStateDiff) == 0 {
 			return errors.New("state diff not found")
 		}
+		stateDiff = slices.Clone(rawStateDiff)
 		buf = append(key, validatorSuffix...)
-		validatorDiff = bucket.Get(buf)
-		if validatorDiff == nil {
+		rawValidatorDiff := bucket.Get(buf)
+		if len(rawValidatorDiff) == 0 {
 			return errors.New("validator diff not found")
 		}
+		validatorDiff = slices.Clone(rawValidatorDiff)
 		buf = append(key, balancesSuffix...)
-		balancesDiff = bucket.Get(buf)
-		if balancesDiff == nil {
+		rawBalancesDiff := bucket.Get(buf)
+		if len(rawBalancesDiff) == 0 {
 			return errors.New("balances diff not found")
 		}
+		balancesDiff = slices.Clone(rawBalancesDiff)
 		return nil
 	})
 
@@ -224,10 +228,11 @@ func (s *Store) getFullSnapshot(slot uint64) (state.BeaconState, error) {
 		if bucket == nil {
 			return bolt.ErrBucketNotFound
 		}
-		enc = bucket.Get(key)
-		if enc == nil {
+		rawEnc := bucket.Get(key)
+		if rawEnc == nil {
 			return errors.New("state not found")
 		}
+		enc = slices.Clone(rawEnc)
 		return nil
 	})
 

beacon-chain/db/kv/state_summary.go

@@ -2,6 +2,7 @@ package kv
 
 import (
 	"context"
+	"slices"
 
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
@@ -47,7 +48,11 @@ func (s *Store) StateSummary(ctx context.Context, blockRoot [32]byte) (*ethpb.St
 	}
 	var enc []byte
 	if err := s.db.View(func(tx *bolt.Tx) error {
-		enc = tx.Bucket(stateSummaryBucket).Get(blockRoot[:])
+		rawEnc := tx.Bucket(stateSummaryBucket).Get(blockRoot[:])
+		if len(rawEnc) == 0 {
+			return nil
+		}
+		enc = slices.Clone(rawEnc)
 		return nil
 	}); err != nil {
 		return nil, err

beacon-chain/forkchoice/doubly-linked-tree/BUILD.bazel

@@ -6,7 +6,6 @@ go_library(
         "doc.go",
         "errors.go",
         "forkchoice.go",
-        "gloas.go",
         "log.go",
         "metrics.go",
         "node.go",
@@ -33,7 +32,6 @@ go_library(
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/forkchoice:go_default_library",
-        "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//monitoring/tracing/trace:go_default_library",

beacon-chain/forkchoice/doubly-linked-tree/forkchoice.go

@@ -31,8 +31,7 @@ func New() *ForkChoice {
 		prevJustifiedCheckpoint:       &forkchoicetypes.Checkpoint{},
 		finalizedCheckpoint:           &forkchoicetypes.Checkpoint{},
 		proposerBoostRoot:             [32]byte{},
-		emptyNodeByRoot:               make(map[[fieldparams.RootLength]byte]*PayloadNode),
-		fullNodeByRoot:                make(map[[fieldparams.RootLength]byte]*PayloadNode),
+		nodeByRoot:                    make(map[[fieldparams.RootLength]byte]*Node),
 		slashedIndices:                make(map[primitives.ValidatorIndex]bool),
 		receivedBlocksLastEpoch:       [fieldparams.SlotsPerEpoch]primitives.Slot{},
 	}
@@ -44,7 +43,7 @@ func New() *ForkChoice {
 
 // NodeCount returns the current number of nodes in the Store.
 func (f *ForkChoice) NodeCount() int {
-	return len(f.store.emptyNodeByRoot)
+	return len(f.store.nodeByRoot)
 }
 
 // Head returns the head root from fork choice store.
@@ -65,14 +64,14 @@ func (f *ForkChoice) Head(
 		return [32]byte{}, errors.Wrap(err, "could not apply proposer boost score")
 	}
 
-	if err := f.store.applyWeightChangesConsensusNode(ctx, f.store.treeRootNode); err != nil {
+	if err := f.store.treeRootNode.applyWeightChanges(ctx); err != nil {
 		return [32]byte{}, errors.Wrap(err, "could not apply weight changes")
 	}
 
 	jc := f.JustifiedCheckpoint()
 	fc := f.FinalizedCheckpoint()
 	currentEpoch := slots.EpochsSinceGenesis(f.store.genesisTime)
-	if err := f.store.updateBestDescendantConsensusNode(ctx, f.store.treeRootNode, jc.Epoch, fc.Epoch, currentEpoch); err != nil {
+	if err := f.store.treeRootNode.updateBestDescendant(ctx, jc.Epoch, fc.Epoch, currentEpoch); err != nil {
 		return [32]byte{}, errors.Wrap(err, "could not update best descendant")
 	}
 	return f.store.head(ctx)
@@ -119,14 +118,14 @@ func (f *ForkChoice) InsertNode(ctx context.Context, state state.BeaconState, ro
 		return errInvalidNilCheckpoint
 	}
 	finalizedEpoch := fc.Epoch
-	pn, err := f.store.insert(ctx, roblock, justifiedEpoch, finalizedEpoch)
+	node, err := f.store.insert(ctx, roblock, justifiedEpoch, finalizedEpoch)
 	if err != nil {
 		return err
 	}
 
-	jc, fc = f.store.pullTips(state, pn.node, jc, fc)
+	jc, fc = f.store.pullTips(state, node, jc, fc)
 	if err := f.updateCheckpoints(ctx, jc, fc); err != nil {
-		_, remErr := f.store.removeNode(ctx, pn)
+		_, remErr := f.store.removeNode(ctx, node)
 		if remErr != nil {
 			log.WithError(remErr).Error("Could not remove node")
 		}
@@ -149,63 +148,49 @@ func (f *ForkChoice) updateCheckpoints(ctx context.Context, jc, fc *ethpb.Checkp
 	if fc.Epoch <= f.store.finalizedCheckpoint.Epoch {
 		return nil
 	}
-	f.store.finalizedCheckpoint = &forkchoicetypes.Checkpoint{
-		Epoch: fc.Epoch,
-		Root:  bytesutil.ToBytes32(fc.Root),
-	}
+	f.store.finalizedCheckpoint = &forkchoicetypes.Checkpoint{Epoch: fc.Epoch,
+		Root: bytesutil.ToBytes32(fc.Root)}
 	return f.store.prune(ctx)
 }
 
 // HasNode returns true if the node exists in fork choice store,
 // false else wise.
 func (f *ForkChoice) HasNode(root [32]byte) bool {
-	_, ok := f.store.emptyNodeByRoot[root]
+	_, ok := f.store.nodeByRoot[root]
 	return ok
 }
 
 // IsCanonical returns true if the given root is part of the canonical chain.
 func (f *ForkChoice) IsCanonical(root [32]byte) bool {
-	// It is fine to pick empty node here since we only check if the beacon block is canonical.
-	pn, ok := f.store.emptyNodeByRoot[root]
-	if !ok || pn == nil {
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
 		return false
 	}
 
-	if pn.node.bestDescendant == nil {
-		// The node doesn't have any children
+	if node.bestDescendant == nil {
 		if f.store.headNode.bestDescendant == nil {
-			// headNode is itself head.
-			return pn.node == f.store.headNode
+			return node == f.store.headNode
 		}
-		// headNode is not actualized and there are some descendants
-		return pn.node == f.store.headNode.bestDescendant
+		return node == f.store.headNode.bestDescendant
 	}
-	// The node has children
 	if f.store.headNode.bestDescendant == nil {
-		return pn.node.bestDescendant == f.store.headNode
+		return node.bestDescendant == f.store.headNode
 	}
-	return pn.node.bestDescendant == f.store.headNode.bestDescendant
+	return node.bestDescendant == f.store.headNode.bestDescendant
 }
 
 // IsOptimistic returns true if the given root has been optimistically synced.
-// TODO: Gloas, the current implementation uses the result of the full block for
-// the given root. In gloas this would be incorrect and we should specify the
-// payload content, thus we should expose a full/empty version of this call.
 func (f *ForkChoice) IsOptimistic(root [32]byte) (bool, error) {
 	if f.store.allTipsAreInvalid {
 		return true, nil
 	}
 
-	en, ok := f.store.emptyNodeByRoot[root]
-	if !ok || en == nil {
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
 		return true, ErrNilNode
 	}
-	fn := f.store.fullNodeByRoot[root]
-	if fn != nil {
-		return fn.optimistic, nil
-	}
 
-	return en.optimistic, nil
+	return node.optimistic, nil
 }
 
 // AncestorRoot returns the ancestor root of input block root at a given slot.
@@ -213,21 +198,17 @@ func (f *ForkChoice) AncestorRoot(ctx context.Context, root [32]byte, slot primi
 	ctx, span := trace.StartSpan(ctx, "doublyLinkedForkchoice.AncestorRoot")
 	defer span.End()
 
-	pn, ok := f.store.emptyNodeByRoot[root]
-	if !ok || pn == nil {
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
 		return [32]byte{}, errors.Wrap(ErrNilNode, "could not determine ancestor root")
 	}
 
-	n := pn.node
-	for n.slot > slot {
+	n := node
+	for n != nil && n.slot > slot {
 		if ctx.Err() != nil {
 			return [32]byte{}, ctx.Err()
 		}
-		if n.parent == nil {
-			n = nil
-			break
-		}
-		n = n.parent.node
+		n = n.parent
 	}
 
 	if n == nil {
@@ -240,11 +221,10 @@ func (f *ForkChoice) AncestorRoot(ctx context.Context, root [32]byte, slot primi
 // IsViableForCheckpoint returns whether the root passed is a checkpoint root for any
 // known chain in forkchoice.
 func (f *ForkChoice) IsViableForCheckpoint(cp *forkchoicetypes.Checkpoint) (bool, error) {
-	pn, ok := f.store.emptyNodeByRoot[cp.Root]
-	if !ok || pn == nil {
+	node, ok := f.store.nodeByRoot[cp.Root]
+	if !ok || node == nil {
 		return false, nil
 	}
-	node := pn.node
 	epochStart, err := slots.EpochStart(cp.Epoch)
 	if err != nil {
 		return false, err
@@ -253,13 +233,10 @@ func (f *ForkChoice) IsViableForCheckpoint(cp *forkchoicetypes.Checkpoint) (bool
 		return false, nil
 	}
 
-	// If it's the start of the epoch, it is a checkpoint
-	if node.slot == epochStart {
+	if len(node.children) == 0 {
 		return true, nil
 	}
-	// If there are no descendants of this beacon block, it is is viable as a checkpoint
-	children := f.store.allConsensusChildren(node)
-	if len(children) == 0 {
+	if node.slot == epochStart {
 		return true, nil
 	}
 	if !features.Get().IgnoreUnviableAttestations {
@@ -269,8 +246,7 @@ func (f *ForkChoice) IsViableForCheckpoint(cp *forkchoicetypes.Checkpoint) (bool
 			return true, nil
 		}
 	}
-	// If some child is after the start of the epoch, the checkpoint is viable.
-	for _, child := range children {
+	for _, child := range node.children {
 		if child.slot > epochStart {
 			return true, nil
 		}
@@ -311,7 +287,7 @@ func (f *ForkChoice) updateBalances() error {
 		if vote.currentRoot != vote.nextRoot || oldBalance != newBalance {
 			// Ignore the vote if the root is not in fork choice
 			// store, that means we have not seen the block before.
-			nextNode, ok := f.store.emptyNodeByRoot[vote.nextRoot]
+			nextNode, ok := f.store.nodeByRoot[vote.nextRoot]
 			if ok && vote.nextRoot != zHash {
 				// Protection against nil node
 				if nextNode == nil {
@@ -320,7 +296,7 @@ func (f *ForkChoice) updateBalances() error {
 				nextNode.balance += newBalance
 			}
 
-			currentNode, ok := f.store.emptyNodeByRoot[vote.currentRoot]
+			currentNode, ok := f.store.nodeByRoot[vote.currentRoot]
 			if ok && vote.currentRoot != zHash {
 				// Protection against nil node
 				if currentNode == nil {
@@ -361,13 +337,13 @@ func (f *ForkChoice) ProposerBoost() [fieldparams.RootLength]byte {
 	return f.store.proposerBoost()
 }
 
-// SetOptimisticToValid sets the node with the given root as a fully validated node. The payload for this root MUST have been processed.
+// SetOptimisticToValid sets the node with the given root as a fully validated node
 func (f *ForkChoice) SetOptimisticToValid(ctx context.Context, root [fieldparams.RootLength]byte) error {
-	fn, ok := f.store.fullNodeByRoot[root]
-	if !ok || fn == nil {
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
 		return errors.Wrap(ErrNilNode, "could not set node to valid")
 	}
-	return f.store.setNodeAndParentValidated(ctx, fn)
+	return node.setNodeAndParentValidated(ctx)
 }
 
 // PreviousJustifiedCheckpoint of fork choice store.
@@ -386,8 +362,8 @@ func (f *ForkChoice) FinalizedCheckpoint() *forkchoicetypes.Checkpoint {
 }
 
 // SetOptimisticToInvalid removes a block with an invalid execution payload from fork choice store
-func (f *ForkChoice) SetOptimisticToInvalid(ctx context.Context, root, parentRoot, parentHash, payloadHash [fieldparams.RootLength]byte) ([][32]byte, error) {
-	return f.store.setOptimisticToInvalid(ctx, root, parentRoot, parentHash, payloadHash)
+func (f *ForkChoice) SetOptimisticToInvalid(ctx context.Context, root, parentRoot, payloadHash [fieldparams.RootLength]byte) ([][32]byte, error) {
+	return f.store.setOptimisticToInvalid(ctx, root, parentRoot, payloadHash)
 }
 
 // InsertSlashedIndex adds the given slashed validator index to the
@@ -410,7 +386,7 @@ func (f *ForkChoice) InsertSlashedIndex(_ context.Context, index primitives.Vali
 		return
 	}
 
-	node, ok := f.store.emptyNodeByRoot[f.votes[index].currentRoot]
+	node, ok := f.store.nodeByRoot[f.votes[index].currentRoot]
 	if !ok || node == nil {
 		return
 	}
@@ -445,30 +421,22 @@ func (f *ForkChoice) UpdateFinalizedCheckpoint(fc *forkchoicetypes.Checkpoint) e
 }
 
 // CommonAncestor returns the common ancestor root and slot between the two block roots r1 and r2.
-// This is payload aware. Consider the following situation
-// [A,full] <--- [B, full] <---[C,pending]
-//
-//	\---------[B, empty] <--[D, pending]
-//
-// Then even though C and D both descend from the beacon block B, their common ancestor is A.
-// Notice that also this function **requires** that the two roots are actually contending blocks! otherwise the
-// behavior is not defined.
 func (f *ForkChoice) CommonAncestor(ctx context.Context, r1 [32]byte, r2 [32]byte) ([32]byte, primitives.Slot, error) {
 	ctx, span := trace.StartSpan(ctx, "doublyLinkedForkchoice.CommonAncestorRoot")
 	defer span.End()
 
-	en1, ok := f.store.emptyNodeByRoot[r1]
-	if !ok || en1 == nil {
+	n1, ok := f.store.nodeByRoot[r1]
+	if !ok || n1 == nil {
 		return [32]byte{}, 0, forkchoice.ErrUnknownCommonAncestor
 	}
 
 	// Do nothing if the input roots are the same.
 	if r1 == r2 {
-		return r1, en1.node.slot, nil
+		return r1, n1.slot, nil
 	}
 
-	en2, ok := f.store.emptyNodeByRoot[r2]
-	if !ok || en2 == nil {
+	n2, ok := f.store.nodeByRoot[r2]
+	if !ok || n2 == nil {
 		return [32]byte{}, 0, forkchoice.ErrUnknownCommonAncestor
 	}
 
@@ -476,23 +444,23 @@ func (f *ForkChoice) CommonAncestor(ctx context.Context, r1 [32]byte, r2 [32]byt
 		if ctx.Err() != nil {
 			return [32]byte{}, 0, ctx.Err()
 		}
-		if en1.node.slot > en2.node.slot {
-			en1 = en1.node.parent
+		if n1.slot > n2.slot {
+			n1 = n1.parent
 			// Reaches the end of the tree and unable to find common ancestor.
 			// This should not happen at runtime as the finalized
 			// node has to be a common ancestor
-			if en1 == nil {
+			if n1 == nil {
 				return [32]byte{}, 0, forkchoice.ErrUnknownCommonAncestor
 			}
 		} else {
-			en2 = en2.node.parent
+			n2 = n2.parent
 			// Reaches the end of the tree and unable to find common ancestor.
-			if en2 == nil {
+			if n2 == nil {
 				return [32]byte{}, 0, forkchoice.ErrUnknownCommonAncestor
 			}
 		}
-		if en1 == en2 {
-			return en1.node.root, en1.node.slot, nil
+		if n1 == n2 {
+			return n1.root, n1.slot, nil
 		}
 	}
 }
@@ -539,17 +507,35 @@ func (f *ForkChoice) CachedHeadRoot() [32]byte {
 
 // FinalizedPayloadBlockHash returns the hash of the payload at the finalized checkpoint
 func (f *ForkChoice) FinalizedPayloadBlockHash() [32]byte {
-	return f.store.latestHashForRoot(f.FinalizedCheckpoint().Root)
+	root := f.FinalizedCheckpoint().Root
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
+		// This should not happen
+		return [32]byte{}
+	}
+	return node.payloadHash
 }
 
 // JustifiedPayloadBlockHash returns the hash of the payload at the justified checkpoint
 func (f *ForkChoice) JustifiedPayloadBlockHash() [32]byte {
-	return f.store.latestHashForRoot(f.JustifiedCheckpoint().Root)
+	root := f.JustifiedCheckpoint().Root
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
+		// This should not happen
+		return [32]byte{}
+	}
+	return node.payloadHash
 }
 
 // UnrealizedJustifiedPayloadBlockHash returns the hash of the payload at the unrealized justified checkpoint
 func (f *ForkChoice) UnrealizedJustifiedPayloadBlockHash() [32]byte {
-	return f.store.latestHashForRoot(f.store.unrealizedJustifiedCheckpoint.Root)
+	root := f.store.unrealizedJustifiedCheckpoint.Root
+	node, ok := f.store.nodeByRoot[root]
+	if !ok || node == nil {
+		// This should not happen
+		return [32]byte{}
+	}
+	return node.payloadHash
 }
 
 // ForkChoiceDump returns a full dump of forkchoice.
@@ -573,7 +559,7 @@ func (f *ForkChoice) ForkChoiceDump(ctx context.Context) (*forkchoice2.Dump, err
 	nodes := make([]*forkchoice2.Node, 0, f.NodeCount())
 	var err error
 	if f.store.treeRootNode != nil {
-		nodes, err = f.store.nodeTreeDump(ctx, f.store.treeRootNode, nodes)
+		nodes, err = f.store.treeRootNode.nodeTreeDump(ctx, nodes)
 		if err != nil {
 			return nil, err
 		}
@@ -602,7 +588,7 @@ func (f *ForkChoice) SetBalancesByRooter(handler forkchoice.BalancesByRooter) {
 
 // Weight returns the weight of the given root if found on the store
 func (f *ForkChoice) Weight(root [32]byte) (uint64, error) {
-	n, ok := f.store.emptyNodeByRoot[root]
+	n, ok := f.store.nodeByRoot[root]
 	if !ok || n == nil {
 		return 0, ErrNilNode
 	}
@@ -630,11 +616,11 @@ func (f *ForkChoice) updateJustifiedBalances(ctx context.Context, root [32]byte)
 
 // Slot returns the slot of the given root if it's known to forkchoice
 func (f *ForkChoice) Slot(root [32]byte) (primitives.Slot, error) {
-	n, ok := f.store.emptyNodeByRoot[root]
+	n, ok := f.store.nodeByRoot[root]
 	if !ok || n == nil {
 		return 0, ErrNilNode
 	}
-	return n.node.slot, nil
+	return n.slot, nil
 }
 
 // DependentRoot returns the last root of the epoch prior to the requested ecoch in the canonical chain.
@@ -642,7 +628,7 @@ func (f *ForkChoice) DependentRoot(epoch primitives.Epoch) ([32]byte, error) {
 	return f.DependentRootForEpoch(f.CachedHeadRoot(), epoch)
 }
 
-// DependentRootForEpoch return the last root of the epoch prior to the requested epoch for the given root.
+// DependentRootForEpoch return the last root of the epoch prior to the requested ecoch for the given root.
 func (f *ForkChoice) DependentRootForEpoch(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
 	tr, err := f.TargetRootForEpoch(root, epoch)
 	if err != nil {
@@ -651,18 +637,18 @@ func (f *ForkChoice) DependentRootForEpoch(root [32]byte, epoch primitives.Epoch
 	if tr == [32]byte{} {
 		return [32]byte{}, nil
 	}
-	en, ok := f.store.emptyNodeByRoot[tr]
-	if !ok || en == nil {
+	node, ok := f.store.nodeByRoot[tr]
+	if !ok || node == nil {
 		return [32]byte{}, ErrNilNode
 	}
-	if slots.ToEpoch(en.node.slot) >= epoch {
-		if en.node.parent != nil {
-			en = en.node.parent
+	if slots.ToEpoch(node.slot) >= epoch {
+		if node.parent != nil {
+			node = node.parent
 		} else {
 			return f.store.finalizedDependentRoot, nil
 		}
 	}
-	return en.node.root, nil
+	return node.root, nil
 }
 
 // TargetRootForEpoch returns the root of the target block for a given epoch.
@@ -674,48 +660,46 @@ func (f *ForkChoice) DependentRootForEpoch(root [32]byte, epoch primitives.Epoch
 // which case we return the root of the checkpoint of the chain containing the
 // passed root, at the given epoch
 func (f *ForkChoice) TargetRootForEpoch(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
-	n, ok := f.store.emptyNodeByRoot[root]
+	n, ok := f.store.nodeByRoot[root]
 	if !ok || n == nil {
 		return [32]byte{}, ErrNilNode
 	}
-	node := n.node
-	nodeEpoch := slots.ToEpoch(node.slot)
+	nodeEpoch := slots.ToEpoch(n.slot)
 	if epoch > nodeEpoch {
-		return node.root, nil
+		return n.root, nil
 	}
-	if node.target == nil {
+	if n.target == nil {
 		return [32]byte{}, nil
 	}
-	targetRoot := node.target.root
+	targetRoot := n.target.root
 	if epoch == nodeEpoch {
 		return targetRoot, nil
 	}
-	targetNode, ok := f.store.emptyNodeByRoot[targetRoot]
+	targetNode, ok := f.store.nodeByRoot[targetRoot]
 	if !ok || targetNode == nil {
 		return [32]byte{}, ErrNilNode
 	}
 	// If slot 0 was not missed we consider a previous block to go back at least one epoch
-	if nodeEpoch == slots.ToEpoch(targetNode.node.slot) {
-		targetNode = targetNode.node.parent
+	if nodeEpoch == slots.ToEpoch(targetNode.slot) {
+		targetNode = targetNode.parent
 		if targetNode == nil {
 			return [32]byte{}, ErrNilNode
 		}
 	}
-	return f.TargetRootForEpoch(targetNode.node.root, epoch)
+	return f.TargetRootForEpoch(targetNode.root, epoch)
 }
 
 // ParentRoot returns the block root of the parent node if it is in forkchoice.
 // The exception is for the finalized checkpoint root which we return the zero
 // hash.
 func (f *ForkChoice) ParentRoot(root [32]byte) ([32]byte, error) {
-	n, ok := f.store.emptyNodeByRoot[root]
+	n, ok := f.store.nodeByRoot[root]
 	if !ok || n == nil {
 		return [32]byte{}, ErrNilNode
 	}
 	// Return the zero hash for the tree root
-	parent := n.node.parent
-	if parent == nil {
+	if n.parent == nil {
 		return [32]byte{}, nil
 	}
-	return parent.node.root, nil
+	return n.parent.root, nil
 }

beacon-chain/forkchoice/doubly-linked-tree/forkchoice_test.go

@@ -3,6 +3,7 @@ package doublylinkedtree
 import (
 	"context"
 	"encoding/binary"
+	"errors"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice"
@@ -103,9 +104,9 @@ func TestForkChoice_UpdateBalancesPositiveChange(t *testing.T) {
 	f.justifiedBalances = []uint64{10, 20, 30}
 	require.NoError(t, f.updateBalances())
 	s := f.store
-	assert.Equal(t, uint64(10), s.emptyNodeByRoot[indexToHash(1)].balance)
-	assert.Equal(t, uint64(20), s.emptyNodeByRoot[indexToHash(2)].balance)
-	assert.Equal(t, uint64(30), s.emptyNodeByRoot[indexToHash(3)].balance)
+	assert.Equal(t, uint64(10), s.nodeByRoot[indexToHash(1)].balance)
+	assert.Equal(t, uint64(20), s.nodeByRoot[indexToHash(2)].balance)
+	assert.Equal(t, uint64(30), s.nodeByRoot[indexToHash(3)].balance)
 }
 
 func TestForkChoice_UpdateBalancesNegativeChange(t *testing.T) {
@@ -121,9 +122,9 @@ func TestForkChoice_UpdateBalancesNegativeChange(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, roblock))
 	s := f.store
-	s.emptyNodeByRoot[indexToHash(1)].balance = 100
-	s.emptyNodeByRoot[indexToHash(2)].balance = 100
-	s.emptyNodeByRoot[indexToHash(3)].balance = 100
+	s.nodeByRoot[indexToHash(1)].balance = 100
+	s.nodeByRoot[indexToHash(2)].balance = 100
+	s.nodeByRoot[indexToHash(3)].balance = 100
 
 	f.balances = []uint64{100, 100, 100}
 	f.votes = []Vote{
@@ -134,9 +135,9 @@ func TestForkChoice_UpdateBalancesNegativeChange(t *testing.T) {
 
 	f.justifiedBalances = []uint64{10, 20, 30}
 	require.NoError(t, f.updateBalances())
-	assert.Equal(t, uint64(10), s.emptyNodeByRoot[indexToHash(1)].balance)
-	assert.Equal(t, uint64(20), s.emptyNodeByRoot[indexToHash(2)].balance)
-	assert.Equal(t, uint64(30), s.emptyNodeByRoot[indexToHash(3)].balance)
+	assert.Equal(t, uint64(10), s.nodeByRoot[indexToHash(1)].balance)
+	assert.Equal(t, uint64(20), s.nodeByRoot[indexToHash(2)].balance)
+	assert.Equal(t, uint64(30), s.nodeByRoot[indexToHash(3)].balance)
 }
 
 func TestForkChoice_UpdateBalancesUnderflow(t *testing.T) {
@@ -152,9 +153,9 @@ func TestForkChoice_UpdateBalancesUnderflow(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, roblock))
 	s := f.store
-	s.emptyNodeByRoot[indexToHash(1)].balance = 100
-	s.emptyNodeByRoot[indexToHash(2)].balance = 100
-	s.emptyNodeByRoot[indexToHash(3)].balance = 100
+	s.nodeByRoot[indexToHash(1)].balance = 100
+	s.nodeByRoot[indexToHash(2)].balance = 100
+	s.nodeByRoot[indexToHash(3)].balance = 100
 
 	f.balances = []uint64{125, 125, 125}
 	f.votes = []Vote{
@@ -165,9 +166,9 @@ func TestForkChoice_UpdateBalancesUnderflow(t *testing.T) {
 
 	f.justifiedBalances = []uint64{10, 20, 30}
 	require.NoError(t, f.updateBalances())
-	assert.Equal(t, uint64(0), s.emptyNodeByRoot[indexToHash(1)].balance)
-	assert.Equal(t, uint64(0), s.emptyNodeByRoot[indexToHash(2)].balance)
-	assert.Equal(t, uint64(5), s.emptyNodeByRoot[indexToHash(3)].balance)
+	assert.Equal(t, uint64(0), s.nodeByRoot[indexToHash(1)].balance)
+	assert.Equal(t, uint64(0), s.nodeByRoot[indexToHash(2)].balance)
+	assert.Equal(t, uint64(5), s.nodeByRoot[indexToHash(3)].balance)
 }
 
 func TestForkChoice_IsCanonical(t *testing.T) {
@@ -223,12 +224,12 @@ func TestForkChoice_IsCanonicalReorg(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, roblock))
 
-	f.store.emptyNodeByRoot[[32]byte{'3'}].balance = 10
-	require.NoError(t, f.store.applyWeightChangesConsensusNode(ctx, f.store.treeRootNode))
-	require.Equal(t, uint64(10), f.store.emptyNodeByRoot[[32]byte{'1'}].node.weight)
-	require.Equal(t, uint64(0), f.store.emptyNodeByRoot[[32]byte{'2'}].node.weight)
+	f.store.nodeByRoot[[32]byte{'3'}].balance = 10
+	require.NoError(t, f.store.treeRootNode.applyWeightChanges(ctx))
+	require.Equal(t, uint64(10), f.store.nodeByRoot[[32]byte{'1'}].weight)
+	require.Equal(t, uint64(0), f.store.nodeByRoot[[32]byte{'2'}].weight)
 
-	require.NoError(t, f.store.updateBestDescendantConsensusNode(ctx, f.store.treeRootNode, 1, 1, 1))
+	require.NoError(t, f.store.treeRootNode.updateBestDescendant(ctx, 1, 1, 1))
 	require.DeepEqual(t, [32]byte{'3'}, f.store.treeRootNode.bestDescendant.root)
 
 	r1 := [32]byte{'1'}
@@ -259,7 +260,7 @@ func TestForkChoice_AncestorRoot(t *testing.T) {
 	st, roblock, err = prepareForkchoiceState(ctx, 5, indexToHash(3), indexToHash(2), params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, roblock))
-	f.store.treeRootNode = f.store.emptyNodeByRoot[indexToHash(1)].node
+	f.store.treeRootNode = f.store.nodeByRoot[indexToHash(1)]
 	f.store.treeRootNode.parent = nil
 
 	r, err := f.AncestorRoot(ctx, indexToHash(3), 6)
@@ -341,21 +342,21 @@ func TestForkChoice_RemoveEquivocating(t *testing.T) {
 
 	// Process b's slashing, c is now head
 	f.InsertSlashedIndex(ctx, 1)
-	require.Equal(t, uint64(200), f.store.emptyNodeByRoot[[32]byte{'b'}].balance)
+	require.Equal(t, uint64(200), f.store.nodeByRoot[[32]byte{'b'}].balance)
 	f.justifiedBalances = []uint64{100, 200, 200, 300}
 	head, err = f.Head(ctx)
-	require.Equal(t, uint64(200), f.store.emptyNodeByRoot[[32]byte{'b'}].weight)
-	require.Equal(t, uint64(300), f.store.emptyNodeByRoot[[32]byte{'c'}].weight)
+	require.Equal(t, uint64(200), f.store.nodeByRoot[[32]byte{'b'}].weight)
+	require.Equal(t, uint64(300), f.store.nodeByRoot[[32]byte{'c'}].weight)
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'c'}, head)
 
 	// Process b's slashing again, should be a noop
 	f.InsertSlashedIndex(ctx, 1)
-	require.Equal(t, uint64(200), f.store.emptyNodeByRoot[[32]byte{'b'}].balance)
+	require.Equal(t, uint64(200), f.store.nodeByRoot[[32]byte{'b'}].balance)
 	f.justifiedBalances = []uint64{100, 200, 200, 300}
 	head, err = f.Head(ctx)
-	require.Equal(t, uint64(200), f.store.emptyNodeByRoot[[32]byte{'b'}].weight)
-	require.Equal(t, uint64(300), f.store.emptyNodeByRoot[[32]byte{'c'}].weight)
+	require.Equal(t, uint64(200), f.store.nodeByRoot[[32]byte{'b'}].weight)
+	require.Equal(t, uint64(300), f.store.nodeByRoot[[32]byte{'c'}].weight)
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'c'}, head)
 
@@ -513,6 +514,58 @@ func TestStore_CommonAncestor(t *testing.T) {
 		})
 	}
 
+	// a -- b -- c -- d
+	f = setup(0, 0)
+	st, roblock, err = prepareForkchoiceState(ctx, 0, [32]byte{'a'}, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 1, 1)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 1, [32]byte{'b'}, [32]byte{'a'}, [32]byte{'B'}, 1, 1)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 2, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, st, roblock))
+	st, roblock, err = prepareForkchoiceState(ctx, 3, [32]byte{'d'}, [32]byte{'c'}, [32]byte{}, 1, 1)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, st, roblock))
+	tests = []struct {
+		name     string
+		r1       [32]byte
+		r2       [32]byte
+		wantRoot [32]byte
+		wantSlot primitives.Slot
+	}{
+		{
+			name:     "Common ancestor between a and b is a",
+			r1:       [32]byte{'a'},
+			r2:       [32]byte{'b'},
+			wantRoot: [32]byte{'a'},
+			wantSlot: 0,
+		},
+		{
+			name:     "Common ancestor between b and d is b",
+			r1:       [32]byte{'d'},
+			r2:       [32]byte{'b'},
+			wantRoot: [32]byte{'b'},
+			wantSlot: 1,
+		},
+		{
+			name:     "Common ancestor between d and a is a",
+			r1:       [32]byte{'d'},
+			r2:       [32]byte{'a'},
+			wantRoot: [32]byte{'a'},
+			wantSlot: 0,
+		},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			gotRoot, gotSlot, err := f.CommonAncestor(ctx, tc.r1, tc.r2)
+			require.NoError(t, err)
+			require.Equal(t, tc.wantRoot, gotRoot)
+			require.Equal(t, tc.wantSlot, gotSlot)
+		})
+	}
+
 	// Equal inputs should return the same root.
 	r, s, err := f.CommonAncestor(ctx, [32]byte{'b'}, [32]byte{'b'})
 	require.NoError(t, err)
@@ -535,9 +588,10 @@ func TestStore_CommonAncestor(t *testing.T) {
 		unrealizedJustifiedEpoch: 1,
 		finalizedEpoch:           1,
 		unrealizedFinalizedEpoch: 1,
+		optimistic:               true,
 	}
 
-	f.store.emptyNodeByRoot[[32]byte{'y'}] = &PayloadNode{node: n, optimistic: true}
+	f.store.nodeByRoot[[32]byte{'y'}] = n
 	// broken link
 	_, _, err = f.CommonAncestor(ctx, [32]byte{'y'}, [32]byte{'a'})
 	require.ErrorIs(t, err, forkchoice.ErrUnknownCommonAncestor)
@@ -556,8 +610,7 @@ func TestStore_InsertChain(t *testing.T) {
 	require.NoError(t, err)
 	roblock, err := blocks.NewROBlockWithRoot(wsb, root)
 	require.NoError(t, err)
-	blks = append(blks, &forkchoicetypes.BlockAndCheckpoints{
-		Block:               roblock,
+	blks = append(blks, &forkchoicetypes.BlockAndCheckpoints{Block: roblock,
 		JustifiedCheckpoint: &ethpb.Checkpoint{Epoch: 1, Root: params.BeaconConfig().ZeroHash[:]},
 		FinalizedCheckpoint: &ethpb.Checkpoint{Epoch: 1, Root: params.BeaconConfig().ZeroHash[:]},
 	})
@@ -572,8 +625,7 @@ func TestStore_InsertChain(t *testing.T) {
 		require.NoError(t, err)
 		roblock, err := blocks.NewROBlockWithRoot(wsb, root)
 		require.NoError(t, err)
-		blks = append(blks, &forkchoicetypes.BlockAndCheckpoints{
-			Block:               roblock,
+		blks = append(blks, &forkchoicetypes.BlockAndCheckpoints{Block: roblock,
 			JustifiedCheckpoint: &ethpb.Checkpoint{Epoch: 1, Root: params.BeaconConfig().ZeroHash[:]},
 			FinalizedCheckpoint: &ethpb.Checkpoint{Epoch: 1, Root: params.BeaconConfig().ZeroHash[:]},
 		})
@@ -690,7 +742,7 @@ func TestWeight(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, roblock))
 
-	n, ok := f.store.emptyNodeByRoot[root]
+	n, ok := f.store.nodeByRoot[root]
 	require.Equal(t, true, ok)
 	n.weight = 10
 	w, err := f.Weight(root)
@@ -862,3 +914,16 @@ func TestForkchoiceParentRoot(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, zeroHash, root)
 }
+
+func TestForkChoice_CleanupInserting(t *testing.T) {
+	f := setup(0, 0)
+	ctx := t.Context()
+	st, roblock, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 2, 2)
+	f.SetBalancesByRooter(func(_ context.Context, _ [32]byte) ([]uint64, error) {
+		return f.justifiedBalances, errors.New("mock err")
+	})
+
+	require.NoError(t, err)
+	require.NotNil(t, f.InsertNode(ctx, st, roblock))
+	require.Equal(t, false, f.HasNode(roblock.Root()))
+}

beacon-chain/forkchoice/doubly-linked-tree/gloas.go

@@ -1,304 +0,0 @@
-package doublylinkedtree
-
-import (
-	"bytes"
-	"context"
-	"slices"
-
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	forkchoice2 "github.com/OffchainLabs/prysm/v7/consensus-types/forkchoice"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/pkg/errors"
-)
-
-func (s *Store) getNodeInformation(block interfaces.ReadOnlyBeaconBlock, parent **PayloadNode, payloadHash *[32]byte) error {
-	sb, err := block.Body().SignedExecutionPayloadBid()
-	if err != nil {
-		return err
-	}
-	wb, err := blocks.WrappedROSignedExecutionPayloadBid(sb)
-	if err != nil {
-		return errors.Wrap(err, "failed to wrap signed bid")
-	}
-	bid, err := wb.Bid()
-	if err != nil {
-		return errors.Wrap(err, "failed to get bid from wrapped bid")
-	}
-	*payloadHash = bid.BlockHash()
-	parentRoot := block.ParentRoot()
-	*parent = s.emptyNodeByRoot[parentRoot]
-	if *parent == nil {
-		// This is the tree root node.
-		return nil
-	}
-	if bid.ParentBlockHash() == (*parent).node.payloadHash {
-		// block builds on full
-		*parent = s.fullNodeByRoot[(*parent).node.root]
-	}
-	return nil
-}
-
-// applyWeightChangesConsensusNode recomputes the weight of the node passed as an argument and all of its descendants,
-// using the current balance stored in each node.
-func (s *Store) applyWeightChangesConsensusNode(ctx context.Context, n *Node) error {
-	// Recursively calling the children to sum their weights.
-	en := s.emptyNodeByRoot[n.root]
-	if err := s.applyWeightChangesPayloadNode(ctx, en); err != nil {
-		return err
-	}
-	childrenWeight := en.weight
-	fn := s.fullNodeByRoot[n.root]
-	if fn != nil {
-		if err := s.applyWeightChangesPayloadNode(ctx, fn); err != nil {
-			return err
-		}
-		childrenWeight += fn.weight
-	}
-	if n.root == params.BeaconConfig().ZeroHash {
-		return nil
-	}
-	n.weight = n.balance + childrenWeight
-	return nil
-}
-
-// applyWeightChangesPayloadNode recomputes the weight of the node passed as an argument and all of its descendants,
-// using the current balance stored in each node.
-func (s *Store) applyWeightChangesPayloadNode(ctx context.Context, n *PayloadNode) error {
-	// Recursively calling the children to sum their weights.
-	childrenWeight := uint64(0)
-	for _, child := range n.children {
-		if ctx.Err() != nil {
-			return ctx.Err()
-		}
-		if err := s.applyWeightChangesConsensusNode(ctx, child); err != nil {
-			return err
-		}
-		childrenWeight += child.weight
-	}
-	n.weight = n.balance + childrenWeight
-	return nil
-}
-
-// allConsensusChildren returns the list of all consensus blocks that build on the given node.
-func (s *Store) allConsensusChildren(n *Node) []*Node {
-	en := s.emptyNodeByRoot[n.root]
-	fn, ok := s.fullNodeByRoot[n.root]
-	if ok {
-		return append(slices.Clone(en.children), fn.children...)
-	}
-	return en.children
-}
-
-// setNodeAndParentValidated sets the current node and all the ancestors as validated (i.e. non-optimistic).
-func (s *Store) setNodeAndParentValidated(ctx context.Context, pn *PayloadNode) error {
-	if ctx.Err() != nil {
-		return ctx.Err()
-	}
-
-	if !pn.optimistic {
-		return nil
-	}
-	pn.optimistic = false
-	if pn.full {
-		// set the empty node also a as valid
-		en := s.emptyNodeByRoot[pn.node.root]
-		en.optimistic = false
-	}
-	if pn.node.parent == nil {
-		return nil
-	}
-	return s.setNodeAndParentValidated(ctx, pn.node.parent)
-}
-
-// fullAncestor returns the highest ancestor with a full payload that a block with the
-// given root has. If there is a payload for the past root, then it will return that full
-// node. Otherwise it will use the full parent actually being an acestor of the given root
-func (s *Store) fullAncestor(root [32]byte) *PayloadNode {
-	fn, ok := s.fullNodeByRoot[root]
-	if ok {
-		return fn
-	}
-	en := s.emptyNodeByRoot[root]
-	if en == nil {
-		return nil
-	}
-	return s.fullParent(en)
-}
-
-// fullParent returns the latest full node that this block builds on.
-func (s *Store) fullParent(pn *PayloadNode) *PayloadNode {
-	parent := pn.node.parent
-	for ; parent != nil && !parent.full; parent = parent.node.parent {
-	}
-	return parent
-}
-
-// parentHash return the payload hash of the latest full node that this block builds on.
-func (s *Store) parentHash(pn *PayloadNode) [32]byte {
-	fullParent := s.fullParent(pn)
-	if fullParent == nil {
-		return [32]byte{}
-	}
-	return fullParent.node.payloadHash
-}
-
-// latestHashForRoot returns the latest payload hash for the given block root.
-func (s *Store) latestHashForRoot(root [32]byte) [32]byte {
-	// try to get the full node first
-	fn, ok := s.fullNodeByRoot[root]
-	if ok && fn != nil {
-		return fn.node.payloadHash
-	}
-	en := s.emptyNodeByRoot[root]
-	if !ok || en == nil {
-		// This should not happen
-		return [32]byte{}
-	}
-	return s.parentHash(en)
-}
-
-// updateBestDescendantPayloadNode updates the best descendant of this node and its
-// children.
-func (s *Store) updateBestDescendantPayloadNode(ctx context.Context, n *PayloadNode, justifiedEpoch, finalizedEpoch, currentEpoch primitives.Epoch) error {
-	if ctx.Err() != nil {
-		return ctx.Err()
-	}
-
-	var bestChild *Node
-	bestWeight := uint64(0)
-	for _, child := range n.children {
-		if child == nil {
-			return errors.Wrap(ErrNilNode, "could not update best descendant")
-		}
-		if err := s.updateBestDescendantConsensusNode(ctx, child, justifiedEpoch, finalizedEpoch, currentEpoch); err != nil {
-			return err
-		}
-		childLeadsToViableHead := child.leadsToViableHead(justifiedEpoch, currentEpoch)
-		if childLeadsToViableHead && bestChild == nil {
-			// The child leads to a viable head, but the current
-			// parent's best child doesn't.
-			bestWeight = child.weight
-			bestChild = child
-		} else if childLeadsToViableHead {
-			// If both are viable, compare their weights.
-			if child.weight == bestWeight {
-				// Tie-breaker of equal weights by root.
-				if bytes.Compare(child.root[:], bestChild.root[:]) > 0 {
-					bestChild = child
-				}
-			} else if child.weight > bestWeight {
-				bestChild = child
-				bestWeight = child.weight
-			}
-		}
-	}
-	if bestChild == nil {
-		n.bestDescendant = nil
-	} else {
-		if bestChild.bestDescendant == nil {
-			n.bestDescendant = bestChild
-		} else {
-			n.bestDescendant = bestChild.bestDescendant
-		}
-	}
-	return nil
-}
-
-// updateBestDescendantConsensusNode updates the best descendant of this node and its
-// children.
-func (s *Store) updateBestDescendantConsensusNode(ctx context.Context, n *Node, justifiedEpoch, finalizedEpoch, currentEpoch primitives.Epoch) error {
-	if ctx.Err() != nil {
-		return ctx.Err()
-	}
-	if len(s.allConsensusChildren(n)) == 0 {
-		n.bestDescendant = nil
-		return nil
-	}
-
-	en := s.emptyNodeByRoot[n.root]
-	if err := s.updateBestDescendantPayloadNode(ctx, en, justifiedEpoch, finalizedEpoch, currentEpoch); err != nil {
-		return err
-	}
-	fn := s.fullNodeByRoot[n.root]
-	if fn == nil {
-		n.bestDescendant = en.bestDescendant
-		return nil
-	}
-	// TODO GLOAS: pick between full or empty
-	if err := s.updateBestDescendantPayloadNode(ctx, fn, justifiedEpoch, finalizedEpoch, currentEpoch); err != nil {
-		return err
-	}
-	n.bestDescendant = fn.bestDescendant
-	return nil
-}
-
-// choosePayloadContent chooses between empty or full for the passed consensus node. TODO Gloas: use PTC to choose.
-func (s *Store) choosePayloadContent(n *Node) *PayloadNode {
-	if n == nil {
-		return nil
-	}
-	fn := s.fullNodeByRoot[n.root]
-	if fn != nil {
-		return fn
-	}
-	return s.emptyNodeByRoot[n.root]
-}
-
-// nodeTreeDump appends to the given list all the nodes descending from this one
-func (s *Store) nodeTreeDump(ctx context.Context, n *Node, nodes []*forkchoice2.Node) ([]*forkchoice2.Node, error) {
-	if ctx.Err() != nil {
-		return nil, ctx.Err()
-	}
-	var parentRoot [32]byte
-	if n.parent != nil {
-		parentRoot = n.parent.node.root
-	}
-	target := [32]byte{}
-	if n.target != nil {
-		target = n.target.root
-	}
-	optimistic := false
-	if n.parent != nil {
-		optimistic = n.parent.optimistic
-	}
-	en := s.emptyNodeByRoot[n.root]
-	timestamp := en.timestamp
-	fn := s.fullNodeByRoot[n.root]
-	if fn != nil {
-		optimistic = fn.optimistic
-		timestamp = fn.timestamp
-	}
-	thisNode := &forkchoice2.Node{
-		Slot:                     n.slot,
-		BlockRoot:                n.root[:],
-		ParentRoot:               parentRoot[:],
-		JustifiedEpoch:           n.justifiedEpoch,
-		FinalizedEpoch:           n.finalizedEpoch,
-		UnrealizedJustifiedEpoch: n.unrealizedJustifiedEpoch,
-		UnrealizedFinalizedEpoch: n.unrealizedFinalizedEpoch,
-		Balance:                  n.balance,
-		Weight:                   n.weight,
-		ExecutionOptimistic:      optimistic,
-		ExecutionBlockHash:       n.payloadHash[:],
-		Timestamp:                timestamp,
-		Target:                   target[:],
-	}
-	if optimistic {
-		thisNode.Validity = forkchoice2.Optimistic
-	} else {
-		thisNode.Validity = forkchoice2.Valid
-	}
-
-	nodes = append(nodes, thisNode)
-	var err error
-	children := s.allConsensusChildren(n)
-	for _, child := range children {
-		nodes, err = s.nodeTreeDump(ctx, child, nodes)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return nodes, nil
-}

beacon-chain/forkchoice/doubly-linked-tree/node.go

@@ -1,17 +1,95 @@
 package doublylinkedtree
 
 import (
+	"bytes"
+	"context"
 	"time"
 
 	"github.com/OffchainLabs/prysm/v7/config/params"
+	forkchoice2 "github.com/OffchainLabs/prysm/v7/consensus-types/forkchoice"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/pkg/errors"
 )
 
 // ProcessAttestationsThreshold is the amount of time after which we
 // process attestations for the current slot
 const ProcessAttestationsThreshold = 10 * time.Second
 
+// applyWeightChanges recomputes the weight of the node passed as an argument and all of its descendants,
+// using the current balance stored in each node.
+func (n *Node) applyWeightChanges(ctx context.Context) error {
+	// Recursively calling the children to sum their weights.
+	childrenWeight := uint64(0)
+	for _, child := range n.children {
+		if ctx.Err() != nil {
+			return ctx.Err()
+		}
+		if err := child.applyWeightChanges(ctx); err != nil {
+			return err
+		}
+		childrenWeight += child.weight
+	}
+	if n.root == params.BeaconConfig().ZeroHash {
+		return nil
+	}
+	n.weight = n.balance + childrenWeight
+	return nil
+}
+
+// updateBestDescendant updates the best descendant of this node and its
+// children.
+func (n *Node) updateBestDescendant(ctx context.Context, justifiedEpoch, finalizedEpoch, currentEpoch primitives.Epoch) error {
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+	if len(n.children) == 0 {
+		n.bestDescendant = nil
+		return nil
+	}
+
+	var bestChild *Node
+	bestWeight := uint64(0)
+	hasViableDescendant := false
+	for _, child := range n.children {
+		if child == nil {
+			return errors.Wrap(ErrNilNode, "could not update best descendant")
+		}
+		if err := child.updateBestDescendant(ctx, justifiedEpoch, finalizedEpoch, currentEpoch); err != nil {
+			return err
+		}
+		childLeadsToViableHead := child.leadsToViableHead(justifiedEpoch, currentEpoch)
+		if childLeadsToViableHead && !hasViableDescendant {
+			// The child leads to a viable head, but the current
+			// parent's best child doesn't.
+			bestWeight = child.weight
+			bestChild = child
+			hasViableDescendant = true
+		} else if childLeadsToViableHead {
+			// If both are viable, compare their weights.
+			if child.weight == bestWeight {
+				// Tie-breaker of equal weights by root.
+				if bytes.Compare(child.root[:], bestChild.root[:]) > 0 {
+					bestChild = child
+				}
+			} else if child.weight > bestWeight {
+				bestChild = child
+				bestWeight = child.weight
+			}
+		}
+	}
+	if hasViableDescendant {
+		if bestChild.bestDescendant == nil {
+			n.bestDescendant = bestChild
+		} else {
+			n.bestDescendant = bestChild.bestDescendant
+		}
+	} else {
+		n.bestDescendant = nil
+	}
+	return nil
+}
+
 // viableForHead returns true if the node is viable to head.
 // Any node with different finalized or justified epoch than
 // the ones in fork choice store should not be viable to head.
@@ -32,13 +110,30 @@ func (n *Node) leadsToViableHead(justifiedEpoch, currentEpoch primitives.Epoch)
 	return n.bestDescendant.viableForHead(justifiedEpoch, currentEpoch)
 }
 
+// setNodeAndParentValidated sets the current node and all the ancestors as validated (i.e. non-optimistic).
+func (n *Node) setNodeAndParentValidated(ctx context.Context) error {
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+
+	if !n.optimistic {
+		return nil
+	}
+	n.optimistic = false
+
+	if n.parent == nil {
+		return nil
+	}
+	return n.parent.setNodeAndParentValidated(ctx)
+}
+
 // arrivedEarly returns whether this node was inserted before the first
 // threshold to orphan a block.
 // Note that genesisTime has seconds granularity, therefore we use a strict
 // inequality < here. For example a block that arrives 3.9999 seconds into the
 // slot will have secs = 3 below.
-func (n *PayloadNode) arrivedEarly(genesis time.Time) (bool, error) {
-	sss, err := slots.SinceSlotStart(n.node.slot, genesis, n.timestamp.Truncate(time.Second)) // Truncate such that 3.9999 seconds will have a value of 3.
+func (n *Node) arrivedEarly(genesis time.Time) (bool, error) {
+	sss, err := slots.SinceSlotStart(n.slot, genesis, n.timestamp.Truncate(time.Second)) // Truncate such that 3.9999 seconds will have a value of 3.
 	votingWindow := params.BeaconConfig().SlotComponentDuration(params.BeaconConfig().AttestationDueBPS)
 	return sss < votingWindow, err
 }
@@ -48,7 +143,52 @@ func (n *PayloadNode) arrivedEarly(genesis time.Time) (bool, error) {
 // Note that genesisTime has seconds granularity, therefore we use an
 // inequality >= here. For example a block that arrives 10.00001 seconds into the
 // slot will have secs = 10 below.
-func (n *PayloadNode) arrivedAfterOrphanCheck(genesis time.Time) (bool, error) {
-	secs, err := slots.SinceSlotStart(n.node.slot, genesis, n.timestamp.Truncate(time.Second)) // Truncate such that 10.00001 seconds will have a value of 10.
+func (n *Node) arrivedAfterOrphanCheck(genesis time.Time) (bool, error) {
+	secs, err := slots.SinceSlotStart(n.slot, genesis, n.timestamp.Truncate(time.Second)) // Truncate such that 10.00001 seconds will have a value of 10.
 	return secs >= ProcessAttestationsThreshold, err
 }
+
+// nodeTreeDump appends to the given list all the nodes descending from this one
+func (n *Node) nodeTreeDump(ctx context.Context, nodes []*forkchoice2.Node) ([]*forkchoice2.Node, error) {
+	if ctx.Err() != nil {
+		return nil, ctx.Err()
+	}
+	var parentRoot [32]byte
+	if n.parent != nil {
+		parentRoot = n.parent.root
+	}
+	target := [32]byte{}
+	if n.target != nil {
+		target = n.target.root
+	}
+	thisNode := &forkchoice2.Node{
+		Slot:                     n.slot,
+		BlockRoot:                n.root[:],
+		ParentRoot:               parentRoot[:],
+		JustifiedEpoch:           n.justifiedEpoch,
+		FinalizedEpoch:           n.finalizedEpoch,
+		UnrealizedJustifiedEpoch: n.unrealizedJustifiedEpoch,
+		UnrealizedFinalizedEpoch: n.unrealizedFinalizedEpoch,
+		Balance:                  n.balance,
+		Weight:                   n.weight,
+		ExecutionOptimistic:      n.optimistic,
+		ExecutionBlockHash:       n.payloadHash[:],
+		Timestamp:                n.timestamp,
+		Target:                   target[:],
+	}
+	if n.optimistic {
+		thisNode.Validity = forkchoice2.Optimistic
+	} else {
+		thisNode.Validity = forkchoice2.Valid
+	}
+
+	nodes = append(nodes, thisNode)
+	var err error
+	for _, child := range n.children {
+		nodes, err = child.nodeTreeDump(ctx, nodes)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}

beacon-chain/forkchoice/doubly-linked-tree/node_test.go

@@ -27,15 +27,15 @@ func TestNode_ApplyWeightChanges_PositiveChange(t *testing.T) {
 	// The updated balances of each node is 100
 	s := f.store
 
-	s.emptyNodeByRoot[indexToHash(1)].balance = 100
-	s.emptyNodeByRoot[indexToHash(2)].balance = 100
-	s.emptyNodeByRoot[indexToHash(3)].balance = 100
+	s.nodeByRoot[indexToHash(1)].balance = 100
+	s.nodeByRoot[indexToHash(2)].balance = 100
+	s.nodeByRoot[indexToHash(3)].balance = 100
 
-	assert.NoError(t, s.applyWeightChangesConsensusNode(ctx, s.treeRootNode))
+	assert.NoError(t, s.treeRootNode.applyWeightChanges(ctx))
 
-	assert.Equal(t, uint64(300), s.emptyNodeByRoot[indexToHash(1)].node.weight)
-	assert.Equal(t, uint64(200), s.emptyNodeByRoot[indexToHash(2)].node.weight)
-	assert.Equal(t, uint64(100), s.emptyNodeByRoot[indexToHash(3)].node.weight)
+	assert.Equal(t, uint64(300), s.nodeByRoot[indexToHash(1)].weight)
+	assert.Equal(t, uint64(200), s.nodeByRoot[indexToHash(2)].weight)
+	assert.Equal(t, uint64(100), s.nodeByRoot[indexToHash(3)].weight)
 }
 
 func TestNode_ApplyWeightChanges_NegativeChange(t *testing.T) {
@@ -53,19 +53,19 @@ func TestNode_ApplyWeightChanges_NegativeChange(t *testing.T) {
 
 	// The updated balances of each node is 100
 	s := f.store
-	s.emptyNodeByRoot[indexToHash(1)].weight = 400
-	s.emptyNodeByRoot[indexToHash(2)].weight = 400
-	s.emptyNodeByRoot[indexToHash(3)].weight = 400
+	s.nodeByRoot[indexToHash(1)].weight = 400
+	s.nodeByRoot[indexToHash(2)].weight = 400
+	s.nodeByRoot[indexToHash(3)].weight = 400
 
-	s.emptyNodeByRoot[indexToHash(1)].balance = 100
-	s.emptyNodeByRoot[indexToHash(2)].balance = 100
-	s.emptyNodeByRoot[indexToHash(3)].balance = 100
+	s.nodeByRoot[indexToHash(1)].balance = 100
+	s.nodeByRoot[indexToHash(2)].balance = 100
+	s.nodeByRoot[indexToHash(3)].balance = 100
 
-	assert.NoError(t, s.applyWeightChangesConsensusNode(ctx, s.treeRootNode))
+	assert.NoError(t, s.treeRootNode.applyWeightChanges(ctx))
 
-	assert.Equal(t, uint64(300), s.emptyNodeByRoot[indexToHash(1)].node.weight)
-	assert.Equal(t, uint64(200), s.emptyNodeByRoot[indexToHash(2)].node.weight)
-	assert.Equal(t, uint64(100), s.emptyNodeByRoot[indexToHash(3)].node.weight)
+	assert.Equal(t, uint64(300), s.nodeByRoot[indexToHash(1)].weight)
+	assert.Equal(t, uint64(200), s.nodeByRoot[indexToHash(2)].weight)
+	assert.Equal(t, uint64(100), s.nodeByRoot[indexToHash(3)].weight)
 }
 
 func TestNode_UpdateBestDescendant_NonViableChild(t *testing.T) {
@@ -78,7 +78,7 @@ func TestNode_UpdateBestDescendant_NonViableChild(t *testing.T) {
 
 	// Verify parent's best child and best descendant are `none`.
 	s := f.store
-	assert.Equal(t, 1, len(s.allConsensusChildren(s.treeRootNode)))
+	assert.Equal(t, 1, len(s.treeRootNode.children))
 	nilBestDescendant := s.treeRootNode.bestDescendant == nil
 	assert.Equal(t, true, nilBestDescendant)
 }
@@ -92,9 +92,8 @@ func TestNode_UpdateBestDescendant_ViableChild(t *testing.T) {
 	require.NoError(t, f.InsertNode(ctx, state, blk))
 
 	s := f.store
-	children := s.allConsensusChildren(s.treeRootNode)
-	assert.Equal(t, 1, len(children))
-	assert.Equal(t, children[0], s.treeRootNode.bestDescendant)
+	assert.Equal(t, 1, len(s.treeRootNode.children))
+	assert.Equal(t, s.treeRootNode.children[0], s.treeRootNode.bestDescendant)
 }
 
 func TestNode_UpdateBestDescendant_HigherWeightChild(t *testing.T) {
@@ -109,34 +108,32 @@ func TestNode_UpdateBestDescendant_HigherWeightChild(t *testing.T) {
 	require.NoError(t, f.InsertNode(ctx, state, blk))
 
 	s := f.store
-	s.emptyNodeByRoot[indexToHash(1)].weight = 100
-	s.emptyNodeByRoot[indexToHash(2)].weight = 200
-	assert.NoError(t, s.updateBestDescendantConsensusNode(ctx, s.treeRootNode, 1, 1, 1))
+	s.nodeByRoot[indexToHash(1)].weight = 100
+	s.nodeByRoot[indexToHash(2)].weight = 200
+	assert.NoError(t, s.treeRootNode.updateBestDescendant(ctx, 1, 1, 1))
 
-	children := s.allConsensusChildren(s.treeRootNode)
-	assert.Equal(t, 2, len(children))
-	assert.Equal(t, children[1], s.treeRootNode.bestDescendant)
+	assert.Equal(t, 2, len(s.treeRootNode.children))
+	assert.Equal(t, s.treeRootNode.children[1], s.treeRootNode.bestDescendant)
 }
 
 func TestNode_UpdateBestDescendant_LowerWeightChild(t *testing.T) {
 	f := setup(1, 1)
 	ctx := t.Context()
 	// Input child is the best descendant
-	state, blk, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, indexToHash(101), 1, 1)
+	state, blk, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
-	state, blk, err = prepareForkchoiceState(ctx, 2, indexToHash(2), params.BeaconConfig().ZeroHash, indexToHash(102), 1, 1)
+	state, blk, err = prepareForkchoiceState(ctx, 2, indexToHash(2), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
 
 	s := f.store
-	s.emptyNodeByRoot[indexToHash(1)].node.weight = 200
-	s.emptyNodeByRoot[indexToHash(2)].node.weight = 100
-	assert.NoError(t, s.updateBestDescendantConsensusNode(ctx, s.treeRootNode, 1, 1, 1))
+	s.nodeByRoot[indexToHash(1)].weight = 200
+	s.nodeByRoot[indexToHash(2)].weight = 100
+	assert.NoError(t, s.treeRootNode.updateBestDescendant(ctx, 1, 1, 1))
 
-	children := s.allConsensusChildren(s.treeRootNode)
-	assert.Equal(t, 2, len(children))
-	assert.Equal(t, children[0], s.treeRootNode.bestDescendant)
+	assert.Equal(t, 2, len(s.treeRootNode.children))
+	assert.Equal(t, s.treeRootNode.children[0], s.treeRootNode.bestDescendant)
 }
 
 func TestNode_ViableForHead(t *testing.T) {
@@ -179,44 +176,44 @@ func TestNode_LeadsToViableHead(t *testing.T) {
 	require.NoError(t, f.InsertNode(ctx, state, blk))
 
 	require.Equal(t, true, f.store.treeRootNode.leadsToViableHead(4, 5))
-	require.Equal(t, true, f.store.emptyNodeByRoot[indexToHash(5)].node.leadsToViableHead(4, 5))
-	require.Equal(t, false, f.store.emptyNodeByRoot[indexToHash(2)].node.leadsToViableHead(4, 5))
-	require.Equal(t, false, f.store.emptyNodeByRoot[indexToHash(4)].node.leadsToViableHead(4, 5))
+	require.Equal(t, true, f.store.nodeByRoot[indexToHash(5)].leadsToViableHead(4, 5))
+	require.Equal(t, false, f.store.nodeByRoot[indexToHash(2)].leadsToViableHead(4, 5))
+	require.Equal(t, false, f.store.nodeByRoot[indexToHash(4)].leadsToViableHead(4, 5))
 }
 
 func TestNode_SetFullyValidated(t *testing.T) {
 	f := setup(1, 1)
 	ctx := t.Context()
-	storeNodes := make([]*PayloadNode, 6)
-	storeNodes[0] = f.store.fullNodeByRoot[params.BeaconConfig().ZeroHash]
+	storeNodes := make([]*Node, 6)
+	storeNodes[0] = f.store.treeRootNode
 	// insert blocks in the fork pattern (optimistic status in parenthesis)
 	//
 	// 0 (false) -- 1 (false) -- 2 (false) -- 3 (true) -- 4 (true)
 	//               \
 	//                 -- 5 (true)
 	//
-	state, blk, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, indexToHash(101), 1, 1)
+	state, blk, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
-	storeNodes[1] = f.store.fullNodeByRoot[blk.Root()]
+	storeNodes[1] = f.store.nodeByRoot[blk.Root()]
+	require.NoError(t, f.SetOptimisticToValid(ctx, params.BeaconConfig().ZeroHash))
+	state, blk, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, state, blk))
+	storeNodes[2] = f.store.nodeByRoot[blk.Root()]
 	require.NoError(t, f.SetOptimisticToValid(ctx, indexToHash(1)))
-	state, blk, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), indexToHash(102), 1, 1)
+	state, blk, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(2), params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
-	storeNodes[2] = f.store.fullNodeByRoot[blk.Root()]
-	require.NoError(t, f.SetOptimisticToValid(ctx, indexToHash(2)))
-	state, blk, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(2), indexToHash(103), 1, 1)
+	storeNodes[3] = f.store.nodeByRoot[blk.Root()]
+	state, blk, err = prepareForkchoiceState(ctx, 4, indexToHash(4), indexToHash(3), params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
-	storeNodes[3] = f.store.fullNodeByRoot[blk.Root()]
-	state, blk, err = prepareForkchoiceState(ctx, 4, indexToHash(4), indexToHash(3), indexToHash(104), 1, 1)
+	storeNodes[4] = f.store.nodeByRoot[blk.Root()]
+	state, blk, err = prepareForkchoiceState(ctx, 5, indexToHash(5), indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blk))
-	storeNodes[4] = f.store.fullNodeByRoot[blk.Root()]
-	state, blk, err = prepareForkchoiceState(ctx, 5, indexToHash(5), indexToHash(1), indexToHash(105), 1, 1)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, state, blk))
-	storeNodes[5] = f.store.fullNodeByRoot[blk.Root()]
+	storeNodes[5] = f.store.nodeByRoot[blk.Root()]
 
 	opt, err := f.IsOptimistic(indexToHash(5))
 	require.NoError(t, err)
@@ -226,7 +223,7 @@ func TestNode_SetFullyValidated(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, true, opt)
 
-	require.NoError(t, f.store.setNodeAndParentValidated(ctx, f.store.fullNodeByRoot[indexToHash(4)]))
+	require.NoError(t, f.store.nodeByRoot[indexToHash(4)].setNodeAndParentValidated(ctx))
 
 	// block 5 should still be optimistic
 	opt, err = f.IsOptimistic(indexToHash(5))
@@ -243,20 +240,20 @@ func TestNode_SetFullyValidated(t *testing.T) {
 	require.Equal(t, false, opt)
 
 	respNodes := make([]*forkchoice.Node, 0)
-	respNodes, err = f.store.nodeTreeDump(ctx, f.store.treeRootNode, respNodes)
+	respNodes, err = f.store.treeRootNode.nodeTreeDump(ctx, respNodes)
 	require.NoError(t, err)
 	require.Equal(t, len(respNodes), f.NodeCount())
 
 	for i, respNode := range respNodes {
-		require.Equal(t, storeNodes[i].node.slot, respNode.Slot)
-		require.DeepEqual(t, storeNodes[i].node.root[:], respNode.BlockRoot)
-		require.Equal(t, storeNodes[i].node.balance, respNode.Balance)
-		require.Equal(t, storeNodes[i].node.weight, respNode.Weight)
+		require.Equal(t, storeNodes[i].slot, respNode.Slot)
+		require.DeepEqual(t, storeNodes[i].root[:], respNode.BlockRoot)
+		require.Equal(t, storeNodes[i].balance, respNode.Balance)
+		require.Equal(t, storeNodes[i].weight, respNode.Weight)
 		require.Equal(t, storeNodes[i].optimistic, respNode.ExecutionOptimistic)
-		require.Equal(t, storeNodes[i].node.justifiedEpoch, respNode.JustifiedEpoch)
-		require.Equal(t, storeNodes[i].node.unrealizedJustifiedEpoch, respNode.UnrealizedJustifiedEpoch)
-		require.Equal(t, storeNodes[i].node.finalizedEpoch, respNode.FinalizedEpoch)
-		require.Equal(t, storeNodes[i].node.unrealizedFinalizedEpoch, respNode.UnrealizedFinalizedEpoch)
+		require.Equal(t, storeNodes[i].justifiedEpoch, respNode.JustifiedEpoch)
+		require.Equal(t, storeNodes[i].unrealizedJustifiedEpoch, respNode.UnrealizedJustifiedEpoch)
+		require.Equal(t, storeNodes[i].finalizedEpoch, respNode.FinalizedEpoch)
+		require.Equal(t, storeNodes[i].unrealizedFinalizedEpoch, respNode.UnrealizedFinalizedEpoch)
 		require.Equal(t, storeNodes[i].timestamp, respNode.Timestamp)
 	}
 }
@@ -275,10 +272,10 @@ func TestNode_TimeStampsChecks(t *testing.T) {
 	headRoot, err := f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, root, headRoot)
-	early, err := f.store.choosePayloadContent(f.store.headNode).arrivedEarly(f.store.genesisTime)
+	early, err := f.store.headNode.arrivedEarly(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, true, early)
-	late, err := f.store.choosePayloadContent(f.store.headNode).arrivedAfterOrphanCheck(f.store.genesisTime)
+	late, err := f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, false, late)
 
@@ -292,10 +289,10 @@ func TestNode_TimeStampsChecks(t *testing.T) {
 	headRoot, err = f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, root, headRoot)
-	early, err = f.store.choosePayloadContent(f.store.headNode).arrivedEarly(f.store.genesisTime)
+	early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, false, early)
-	late, err = f.store.choosePayloadContent(f.store.headNode).arrivedAfterOrphanCheck(f.store.genesisTime)
+	late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, false, late)
 
@@ -308,10 +305,10 @@ func TestNode_TimeStampsChecks(t *testing.T) {
 	headRoot, err = f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, root, headRoot)
-	early, err = f.store.choosePayloadContent(f.store.headNode).arrivedEarly(f.store.genesisTime)
+	early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, false, early)
-	late, err = f.store.choosePayloadContent(f.store.headNode).arrivedAfterOrphanCheck(f.store.genesisTime)
+	late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
 	require.NoError(t, err)
 	require.Equal(t, true, late)
 
@@ -323,10 +320,10 @@ func TestNode_TimeStampsChecks(t *testing.T) {
 	headRoot, err = f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, root, headRoot)
-	early, err = f.store.choosePayloadContent(f.store.headNode).arrivedEarly(f.store.genesisTime)
+	early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
 	require.ErrorContains(t, "invalid timestamp", err)
 	require.Equal(t, true, early)
-	late, err = f.store.choosePayloadContent(f.store.headNode).arrivedAfterOrphanCheck(f.store.genesisTime)
+	late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
 	require.ErrorContains(t, "invalid timestamp", err)
 	require.Equal(t, false, late)
 }

beacon-chain/forkchoice/doubly-linked-tree/optimistic_sync.go

@@ -7,141 +7,92 @@ import (
 	"github.com/pkg/errors"
 )
 
-// setOptimisticToInvalid removes invalid nodes from forkchoice. It does NOT remove the empty node for the passed root.
-func (s *Store) setOptimisticToInvalid(ctx context.Context, root, parentRoot, parentHash, lastValidHash [32]byte) ([][32]byte, error) {
+func (s *Store) setOptimisticToInvalid(ctx context.Context, root, parentRoot, lastValidHash [32]byte) ([][32]byte, error) {
 	invalidRoots := make([][32]byte, 0)
-	n := s.fullNodeByRoot[root]
-	if n == nil {
-		// The offending node with its payload is not in forkchoice. Try with the parent
-		n = s.emptyNodeByRoot[parentRoot]
-		if n == nil {
-			return invalidRoots, errors.Wrap(ErrNilNode, "could not set node to invalid, could not find consensus parent")
+	node, ok := s.nodeByRoot[root]
+	if !ok {
+		node, ok = s.nodeByRoot[parentRoot]
+		if !ok || node == nil {
+			return invalidRoots, errors.Wrap(ErrNilNode, "could not set node to invalid")
 		}
-		if n.node.payloadHash == lastValidHash {
-			// The parent node must have been full and with a valid payload
+		// return early if the parent is LVH
+		if node.payloadHash == lastValidHash {
 			return invalidRoots, nil
 		}
-		if n.node.payloadHash == parentHash {
-			// The parent was full and invalid
-			n = s.fullNodeByRoot[parentRoot]
-			if n == nil {
-				return invalidRoots, errors.Wrap(ErrNilNode, "could not set node to invalid, could not find full parent")
-			}
-		} else {
-			// The parent is empty and we don't yet know if it's valid or not
-			for n = n.node.parent; n != nil; n = n.node.parent {
-				if ctx.Err() != nil {
-					return invalidRoots, ctx.Err()
-				}
-				if n.node.payloadHash == lastValidHash {
-					// The node built on empty and the whole chain was valid
-					return invalidRoots, nil
-				}
-				if n.node.payloadHash == parentHash {
-					// The parent was full and invalid
-					break
-				}
-			}
-			if n == nil {
-				return nil, errors.Wrap(ErrNilNode, "could not set node to invalid, could not find full parent in ancestry")
-			}
-		}
 	} else {
-		// check consistency with the parent information
-		if n.node.parent == nil {
-			return nil, ErrNilNode
+		if node == nil {
+			return invalidRoots, errors.Wrap(ErrNilNode, "could not set node to invalid")
 		}
-		if n.node.parent.node.root != parentRoot {
-			return nil, errInvalidParentRoot
+		if node.parent.root != parentRoot {
+			return invalidRoots, errInvalidParentRoot
 		}
 	}
-	// n points to a full node that has an invalid payload in forkchoice. We need to find the fist node in the chain that is actually invalid.
-	startNode := n
-	fp := s.fullParent(n)
-	for ; fp != nil && fp.node.payloadHash != lastValidHash; fp = s.fullParent(fp) {
+	firstInvalid := node
+	for ; firstInvalid.parent != nil && firstInvalid.parent.payloadHash != lastValidHash; firstInvalid = firstInvalid.parent {
 		if ctx.Err() != nil {
 			return invalidRoots, ctx.Err()
 		}
-		n = fp
 	}
 	// Deal with the case that the last valid payload is in a different fork
 	// This means we are dealing with an EE that does not follow the spec
-	if fp == nil {
+	if firstInvalid.parent == nil {
 		// return early if the invalid node was not imported
-		if startNode.node.root != root {
+		if node.root == parentRoot {
 			return invalidRoots, nil
 		}
-		// Remove just the imported invalid root
-		n = startNode
+		firstInvalid = node
 	}
-	return s.removeNode(ctx, n)
+	return s.removeNode(ctx, firstInvalid)
 }
 
 // removeNode removes the node with the given root and all of its children
 // from the Fork Choice Store.
-func (s *Store) removeNode(ctx context.Context, pn *PayloadNode) ([][32]byte, error) {
+func (s *Store) removeNode(ctx context.Context, node *Node) ([][32]byte, error) {
 	invalidRoots := make([][32]byte, 0)
 
-	if pn == nil {
+	if node == nil {
 		return invalidRoots, errors.Wrap(ErrNilNode, "could not remove node")
 	}
-	if !pn.optimistic || pn.node.parent == nil {
+	if !node.optimistic || node.parent == nil {
 		return invalidRoots, errInvalidOptimisticStatus
 	}
-	children := pn.node.parent.children
+
+	children := node.parent.children
 	if len(children) == 1 {
-		pn.node.parent.children = []*Node{}
+		node.parent.children = []*Node{}
 	} else {
 		for i, n := range children {
-			if n == pn.node {
+			if n == node {
 				if i != len(children)-1 {
 					children[i] = children[len(children)-1]
 				}
-				pn.node.parent.children = children[:len(children)-1]
+				node.parent.children = children[:len(children)-1]
 				break
 			}
 		}
 	}
-	return s.removeNodeAndChildren(ctx, pn, invalidRoots)
+	return s.removeNodeAndChildren(ctx, node, invalidRoots)
 }
 
 // removeNodeAndChildren removes `node` and all of its descendant from the Store
-func (s *Store) removeNodeAndChildren(ctx context.Context, pn *PayloadNode, invalidRoots [][32]byte) ([][32]byte, error) {
+func (s *Store) removeNodeAndChildren(ctx context.Context, node *Node, invalidRoots [][32]byte) ([][32]byte, error) {
 	var err error
-	// If we are removing an empty node, then remove the full node as well if it exists.
-	if !pn.full {
-		fn, ok := s.fullNodeByRoot[pn.node.root]
-		if ok {
-			invalidRoots, err = s.removeNodeAndChildren(ctx, fn, invalidRoots)
-			if err != nil {
-				return invalidRoots, err
-			}
-		}
-	}
-	// Now we remove the full node's children.
-	for _, child := range pn.children {
+	for _, child := range node.children {
 		if ctx.Err() != nil {
 			return invalidRoots, ctx.Err()
 		}
-		// We need to remove only the empty node here since the recursion will take care of the full one.
-		en := s.emptyNodeByRoot[child.root]
-		if invalidRoots, err = s.removeNodeAndChildren(ctx, en, invalidRoots); err != nil {
+		if invalidRoots, err = s.removeNodeAndChildren(ctx, child, invalidRoots); err != nil {
 			return invalidRoots, err
 		}
 	}
-	// Only append the root for the empty nodes.
-	if pn.full {
-		delete(s.fullNodeByRoot, pn.node.root)
-	} else {
-		invalidRoots = append(invalidRoots, pn.node.root)
-		if pn.node.root == s.proposerBoostRoot {
-			s.proposerBoostRoot = [32]byte{}
-		}
-		if pn.node.root == s.previousProposerBoostRoot {
-			s.previousProposerBoostRoot = params.BeaconConfig().ZeroHash
-			s.previousProposerBoostScore = 0
-		}
-		delete(s.emptyNodeByRoot, pn.node.root)
+	invalidRoots = append(invalidRoots, node.root)
+	if node.root == s.proposerBoostRoot {
+		s.proposerBoostRoot = [32]byte{}
 	}
+	if node.root == s.previousProposerBoostRoot {
+		s.previousProposerBoostRoot = params.BeaconConfig().ZeroHash
+		s.previousProposerBoostScore = 0
+	}
+	delete(s.nodeByRoot, node.root)
 	return invalidRoots, nil
 }

beacon-chain/forkchoice/doubly-linked-tree/optimistic_sync_test.go

@@ -23,35 +23,93 @@ import (
 // And every block in the Fork choice is optimistic.
 func TestPruneInvalid(t *testing.T) {
 	tests := []struct {
-		name             string
 		root             [32]byte // the root of the new INVALID block
 		parentRoot       [32]byte // the root of the parent block
-		parentHash       [32]byte // the execution hash of the parent block
-		lastValidHash    [32]byte // the last valid execution hash
+		payload          [32]byte // the last valid hash
 		wantedNodeNumber int
 		wantedRoots      [][32]byte
 		wantedErr        error
 	}{
 		{ // Bogus LVH, root not in forkchoice
-			name: "bogus LVH not in forkchoice",
-			root: [32]byte{'x'}, parentRoot: [32]byte{'i'}, parentHash: [32]byte{'I'}, lastValidHash: [32]byte{'R'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
-		},
-		{ // Bogus LVH
-			name: "bogus LVH",
-			root: [32]byte{'i'}, parentRoot: [32]byte{'h'}, parentHash: [32]byte{'H'}, lastValidHash: [32]byte{'R'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
+			[32]byte{'x'},
+			[32]byte{'i'},
+			[32]byte{'R'},
+			13,
+			[][32]byte{},
+			nil,
 		},
 		{
-			name: "wanted j",
-			root: [32]byte{'j'}, parentRoot: [32]byte{'b'}, parentHash: [32]byte{'B'}, lastValidHash: [32]byte{'B'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
+			// Bogus LVH
+			[32]byte{'i'},
+			[32]byte{'h'},
+			[32]byte{'R'},
+			12,
+			[][32]byte{{'i'}},
+			nil,
 		},
 		{
-			name: "wanted 5",
-			root: [32]byte{'c'}, parentRoot: [32]byte{'b'}, parentHash: [32]byte{'B'}, lastValidHash: [32]byte{'B'},
-			wantedNodeNumber: 5,
-			wantedRoots: [][32]byte{
+			[32]byte{'j'},
+			[32]byte{'b'},
+			[32]byte{'B'},
+			12,
+			[][32]byte{{'j'}},
+			nil,
+		},
+		{
+			[32]byte{'c'},
+			[32]byte{'b'},
+			[32]byte{'B'},
+			4,
+			[][32]byte{{'f'}, {'e'}, {'i'}, {'h'}, {'l'},
+				{'k'}, {'g'}, {'d'}, {'c'}},
+			nil,
+		},
+		{
+			[32]byte{'i'},
+			[32]byte{'h'},
+			[32]byte{'H'},
+			12,
+			[][32]byte{{'i'}},
+			nil,
+		},
+		{
+			[32]byte{'h'},
+			[32]byte{'g'},
+			[32]byte{'G'},
+			11,
+			[][32]byte{{'i'}, {'h'}},
+			nil,
+		},
+		{
+			[32]byte{'g'},
+			[32]byte{'d'},
+			[32]byte{'D'},
+			8,
+			[][32]byte{{'i'}, {'h'}, {'l'}, {'k'}, {'g'}},
+			nil,
+		},
+		{
+			[32]byte{'i'},
+			[32]byte{'h'},
+			[32]byte{'D'},
+			8,
+			[][32]byte{{'i'}, {'h'}, {'l'}, {'k'}, {'g'}},
+			nil,
+		},
+		{
+			[32]byte{'f'},
+			[32]byte{'e'},
+			[32]byte{'D'},
+			11,
+			[][32]byte{{'f'}, {'e'}},
+			nil,
+		},
+		{
+			[32]byte{'h'},
+			[32]byte{'g'},
+			[32]byte{'C'},
+			5,
+			[][32]byte{
 				{'f'},
 				{'e'},
 				{'i'},
@@ -61,118 +119,106 @@ func TestPruneInvalid(t *testing.T) {
 				{'g'},
 				{'d'},
 			},
+			nil,
 		},
 		{
-			name: "wanted i",
-			root: [32]byte{'i'}, parentRoot: [32]byte{'h'}, parentHash: [32]byte{'H'}, lastValidHash: [32]byte{'H'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
+			[32]byte{'g'},
+			[32]byte{'d'},
+			[32]byte{'E'},
+			8,
+			[][32]byte{{'i'}, {'h'}, {'l'}, {'k'}, {'g'}},
+			nil,
 		},
 		{
-			name: "wanted i and h",
-			root: [32]byte{'h'}, parentRoot: [32]byte{'g'}, parentHash: [32]byte{'G'}, lastValidHash: [32]byte{'G'},
-			wantedNodeNumber: 12, wantedRoots: [][32]byte{{'i'}},
+			[32]byte{'z'},
+			[32]byte{'j'},
+			[32]byte{'B'},
+			12,
+			[][32]byte{{'j'}},
+			nil,
 		},
 		{
-			name: "wanted i--g",
-			root: [32]byte{'g'}, parentRoot: [32]byte{'d'}, parentHash: [32]byte{'D'}, lastValidHash: [32]byte{'D'},
-			wantedNodeNumber: 9, wantedRoots: [][32]byte{{'i'}, {'h'}, {'l'}, {'k'}},
+			[32]byte{'z'},
+			[32]byte{'j'},
+			[32]byte{'J'},
+			13,
+			[][32]byte{},
+			nil,
 		},
 		{
-			name: "wanted 9",
-			root: [32]byte{'i'}, parentRoot: [32]byte{'h'}, parentHash: [32]byte{'H'}, lastValidHash: [32]byte{'D'},
-			wantedNodeNumber: 9, wantedRoots: [][32]byte{{'i'}, {'h'}, {'l'}, {'k'}},
+			[32]byte{'j'},
+			[32]byte{'a'},
+			[32]byte{'B'},
+			0,
+			[][32]byte{},
+			errInvalidParentRoot,
 		},
 		{
-			name: "wanted f and e",
-			root: [32]byte{'f'}, parentRoot: [32]byte{'e'}, parentHash: [32]byte{'E'}, lastValidHash: [32]byte{'D'},
-			wantedNodeNumber: 12, wantedRoots: [][32]byte{{'f'}},
+			[32]byte{'z'},
+			[32]byte{'h'},
+			[32]byte{'D'},
+			8,
+			[][32]byte{{'i'}, {'h'}, {'l'}, {'k'}, {'g'}},
+			nil,
 		},
 		{
-			name: "wanted 6",
-			root: [32]byte{'h'}, parentRoot: [32]byte{'g'}, parentHash: [32]byte{'G'}, lastValidHash: [32]byte{'C'},
-			wantedNodeNumber: 6,
-			wantedRoots: [][32]byte{
-				{'f'}, {'e'}, {'i'}, {'h'}, {'l'}, {'k'}, {'g'},
-			},
-		},
-		{
-			name: "wanted 9 again",
-			root: [32]byte{'g'}, parentRoot: [32]byte{'d'}, parentHash: [32]byte{'D'}, lastValidHash: [32]byte{'E'},
-			wantedNodeNumber: 9, wantedRoots: [][32]byte{{'i'}, {'h'}, {'l'}, {'k'}},
-		},
-		{
-			name: "wanted 13",
-			root: [32]byte{'z'}, parentRoot: [32]byte{'j'}, parentHash: [32]byte{'J'}, lastValidHash: [32]byte{'B'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
-		},
-		{
-			name: "wanted empty",
-			root: [32]byte{'z'}, parentRoot: [32]byte{'j'}, parentHash: [32]byte{'J'}, lastValidHash: [32]byte{'J'},
-			wantedNodeNumber: 13, wantedRoots: [][32]byte{},
-		},
-		{
-			name: "errInvalidParentRoot",
-			root: [32]byte{'j'}, parentRoot: [32]byte{'a'}, parentHash: [32]byte{'A'}, lastValidHash: [32]byte{'B'},
-			wantedErr: errInvalidParentRoot,
-		},
-		{
-			name: "root z",
-			root: [32]byte{'z'}, parentRoot: [32]byte{'h'}, parentHash: [32]byte{'H'}, lastValidHash: [32]byte{'D'},
-			wantedNodeNumber: 9, wantedRoots: [][32]byte{{'i'}, {'h'}, {'l'}, {'k'}},
+			[32]byte{'z'},
+			[32]byte{'h'},
+			[32]byte{'D'},
+			8,
+			[][32]byte{{'i'}, {'h'}, {'l'}, {'k'}, {'g'}},
+			nil,
 		},
 	}
 	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			ctx := t.Context()
-			f := setup(1, 1)
-			require.NoError(t, f.SetOptimisticToValid(ctx, [32]byte{}))
-			state, blkRoot, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, [32]byte{'B'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'j'}, [32]byte{'b'}, [32]byte{'J'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 103, [32]byte{'d'}, [32]byte{'c'}, [32]byte{'D'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 104, [32]byte{'e'}, [32]byte{'d'}, [32]byte{'E'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 104, [32]byte{'g'}, [32]byte{'d'}, [32]byte{'G'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'f'}, [32]byte{'e'}, [32]byte{'F'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'h'}, [32]byte{'g'}, [32]byte{'H'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'k'}, [32]byte{'g'}, [32]byte{'K'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 106, [32]byte{'i'}, [32]byte{'h'}, [32]byte{'I'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-			state, blkRoot, err = prepareForkchoiceState(ctx, 106, [32]byte{'l'}, [32]byte{'k'}, [32]byte{'L'}, 1, 1)
-			require.NoError(t, err)
-			require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		ctx := t.Context()
+		f := setup(1, 1)
 
-			roots, err := f.store.setOptimisticToInvalid(t.Context(), tc.root, tc.parentRoot, tc.parentHash, tc.lastValidHash)
-			if tc.wantedErr == nil {
-				require.NoError(t, err)
-				require.Equal(t, len(tc.wantedRoots), len(roots))
-				require.DeepEqual(t, tc.wantedRoots, roots)
-				require.Equal(t, tc.wantedNodeNumber, f.NodeCount())
-			} else {
-				require.ErrorIs(t, tc.wantedErr, err)
-			}
-		})
+		state, blkRoot, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, [32]byte{'B'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'j'}, [32]byte{'b'}, [32]byte{'J'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 103, [32]byte{'d'}, [32]byte{'c'}, [32]byte{'D'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 104, [32]byte{'e'}, [32]byte{'d'}, [32]byte{'E'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 104, [32]byte{'g'}, [32]byte{'d'}, [32]byte{'G'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'f'}, [32]byte{'e'}, [32]byte{'F'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'h'}, [32]byte{'g'}, [32]byte{'H'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 105, [32]byte{'k'}, [32]byte{'g'}, [32]byte{'K'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 106, [32]byte{'i'}, [32]byte{'h'}, [32]byte{'I'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+		state, blkRoot, err = prepareForkchoiceState(ctx, 106, [32]byte{'l'}, [32]byte{'k'}, [32]byte{'L'}, 1, 1)
+		require.NoError(t, err)
+		require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+
+		roots, err := f.store.setOptimisticToInvalid(t.Context(), tc.root, tc.parentRoot, tc.payload)
+		if tc.wantedErr == nil {
+			require.NoError(t, err)
+			require.DeepEqual(t, tc.wantedRoots, roots)
+			require.Equal(t, tc.wantedNodeNumber, f.NodeCount())
+		} else {
+			require.ErrorIs(t, tc.wantedErr, err)
+		}
 	}
 }
 
@@ -194,40 +240,11 @@ func TestSetOptimisticToInvalid_ProposerBoost(t *testing.T) {
 	f.store.previousProposerBoostScore = 10
 	f.store.previousProposerBoostRoot = [32]byte{'b'}
 
-	_, err = f.SetOptimisticToInvalid(ctx, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'B'}, [32]byte{'A'})
+	_, err = f.SetOptimisticToInvalid(ctx, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'A'})
 	require.NoError(t, err)
-	// proposer boost is still applied to c
-	require.Equal(t, uint64(10), f.store.previousProposerBoostScore)
-	require.Equal(t, [32]byte{}, f.store.proposerBoostRoot)
-	require.Equal(t, [32]byte{'b'}, f.store.previousProposerBoostRoot)
-}
-
-func TestSetOptimisticToInvalid_ProposerBoost_Older(t *testing.T) {
-	ctx := t.Context()
-	f := setup(1, 1)
-
-	state, blkRoot, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 1, 1)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	state, blkRoot, err = prepareForkchoiceState(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, [32]byte{'B'}, 1, 1)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	state, blkRoot, err = prepareForkchoiceState(ctx, 103, [32]byte{'d'}, [32]byte{'c'}, [32]byte{'D'}, 1, 1)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	f.store.proposerBoostRoot = [32]byte{'d'}
-	f.store.previousProposerBoostScore = 10
-	f.store.previousProposerBoostRoot = [32]byte{'c'}
-
-	_, err = f.SetOptimisticToInvalid(ctx, [32]byte{'d'}, [32]byte{'c'}, [32]byte{'C'}, [32]byte{'A'})
-	require.NoError(t, err)
-	// proposer boost is still applied to c
 	require.Equal(t, uint64(0), f.store.previousProposerBoostScore)
-	require.Equal(t, [32]byte{}, f.store.proposerBoostRoot)
-	require.Equal(t, [32]byte{}, f.store.previousProposerBoostRoot)
+	require.DeepEqual(t, [32]byte{}, f.store.proposerBoostRoot)
+	require.DeepEqual(t, params.BeaconConfig().ZeroHash, f.store.previousProposerBoostRoot)
 }
 
 // This is a regression test (10565)
@@ -255,9 +272,10 @@ func TestSetOptimisticToInvalid_CorrectChildren(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
 
-	_, err = f.store.setOptimisticToInvalid(ctx, [32]byte{'d'}, [32]byte{'a'}, [32]byte{'A'}, [32]byte{'A'})
+	_, err = f.store.setOptimisticToInvalid(ctx, [32]byte{'d'}, [32]byte{'a'}, [32]byte{'A'})
 	require.NoError(t, err)
-	require.Equal(t, 2, len(f.store.fullNodeByRoot[[32]byte{'a'}].children))
+	require.Equal(t, 2, len(f.store.nodeByRoot[[32]byte{'a'}].children))
+
 }
 
 // Pow       |      Pos
@@ -304,13 +322,13 @@ func TestSetOptimisticToInvalid_ForkAtMerge(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, root))
 
-	roots, err := f.SetOptimisticToInvalid(ctx, [32]byte{'x'}, [32]byte{'d'}, [32]byte{'D'}, [32]byte{})
+	roots, err := f.SetOptimisticToInvalid(ctx, [32]byte{'x'}, [32]byte{'d'}, [32]byte{})
 	require.NoError(t, err)
-	require.Equal(t, 3, len(roots))
+	require.Equal(t, 4, len(roots))
 	sort.Slice(roots, func(i, j int) bool {
 		return bytesutil.BytesToUint64BigEndian(roots[i][:]) < bytesutil.BytesToUint64BigEndian(roots[j][:])
 	})
-	require.DeepEqual(t, roots, [][32]byte{{'c'}, {'d'}, {'e'}})
+	require.DeepEqual(t, roots, [][32]byte{{'b'}, {'c'}, {'d'}, {'e'}})
 }
 
 // Pow       |      Pos
@@ -357,13 +375,13 @@ func TestSetOptimisticToInvalid_ForkAtMerge_bis(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, st, root))
 
-	roots, err := f.SetOptimisticToInvalid(ctx, [32]byte{'x'}, [32]byte{'d'}, [32]byte{'D'}, [32]byte{})
+	roots, err := f.SetOptimisticToInvalid(ctx, [32]byte{'x'}, [32]byte{'d'}, [32]byte{})
 	require.NoError(t, err)
-	require.Equal(t, 3, len(roots))
+	require.Equal(t, 4, len(roots))
 	sort.Slice(roots, func(i, j int) bool {
 		return bytesutil.BytesToUint64BigEndian(roots[i][:]) < bytesutil.BytesToUint64BigEndian(roots[j][:])
 	})
-	require.DeepEqual(t, roots, [][32]byte{{'c'}, {'d'}, {'e'}})
+	require.DeepEqual(t, roots, [][32]byte{{'b'}, {'c'}, {'d'}, {'e'}})
 }
 
 func TestSetOptimisticToValid(t *testing.T) {

beacon-chain/forkchoice/doubly-linked-tree/proposer_boost.go

@@ -11,7 +11,7 @@ func (f *ForkChoice) applyProposerBoostScore() error {
 	s := f.store
 	proposerScore := uint64(0)
 	if s.previousProposerBoostRoot != params.BeaconConfig().ZeroHash {
-		previousNode, ok := s.emptyNodeByRoot[s.previousProposerBoostRoot]
+		previousNode, ok := s.nodeByRoot[s.previousProposerBoostRoot]
 		if !ok || previousNode == nil {
 			log.WithError(errInvalidProposerBoostRoot).Errorf("invalid prev root %#x", s.previousProposerBoostRoot)
 		} else {
@@ -20,7 +20,7 @@ func (f *ForkChoice) applyProposerBoostScore() error {
 	}
 
 	if s.proposerBoostRoot != params.BeaconConfig().ZeroHash {
-		currentNode, ok := s.emptyNodeByRoot[s.proposerBoostRoot]
+		currentNode, ok := s.nodeByRoot[s.proposerBoostRoot]
 		if !ok || currentNode == nil {
 			log.WithError(errInvalidProposerBoostRoot).Errorf("invalid current root %#x", s.proposerBoostRoot)
 		} else {

beacon-chain/forkchoice/doubly-linked-tree/proposer_boost_test.go

@@ -166,14 +166,14 @@ func TestForkChoice_BoostProposerRoot_PreventsExAnteAttack(t *testing.T) {
 		// (1: 48) -> (2: 38) -> (3: 10)
 		//		    \--------------->(4: 18)
 		//
-		node1 := f.store.emptyNodeByRoot[indexToHash(1)]
-		require.Equal(t, node1.node.weight, uint64(48))
-		node2 := f.store.emptyNodeByRoot[indexToHash(2)]
-		require.Equal(t, node2.node.weight, uint64(38))
-		node3 := f.store.emptyNodeByRoot[indexToHash(3)]
-		require.Equal(t, node3.node.weight, uint64(10))
-		node4 := f.store.emptyNodeByRoot[indexToHash(4)]
-		require.Equal(t, node4.node.weight, uint64(18))
+		node1 := f.store.nodeByRoot[indexToHash(1)]
+		require.Equal(t, node1.weight, uint64(48))
+		node2 := f.store.nodeByRoot[indexToHash(2)]
+		require.Equal(t, node2.weight, uint64(38))
+		node3 := f.store.nodeByRoot[indexToHash(3)]
+		require.Equal(t, node3.weight, uint64(10))
+		node4 := f.store.nodeByRoot[indexToHash(4)]
+		require.Equal(t, node4.weight, uint64(18))
 
 		// Regression: process attestations for C, check that it
 		// becomes head, we need two attestations to have C.weight = 30 > 24 = D.weight

beacon-chain/forkchoice/doubly-linked-tree/reorg_late_blocks.go

@@ -34,23 +34,22 @@ const orphanLateBlockProposingEarly = 2
 func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 	override = false
 
-	// We only need to override FCU if our current consensusHead is from the current
+	// We only need to override FCU if our current head is from the current
 	// slot. This differs from the spec implementation in that we assume
 	// that we will call this function in the previous slot to proposing.
-	consensusHead := f.store.headNode
-	if consensusHead == nil {
+	head := f.store.headNode
+	if head == nil {
 		return
 	}
 
-	if consensusHead.slot != slots.CurrentSlot(f.store.genesisTime) {
+	if head.slot != slots.CurrentSlot(f.store.genesisTime) {
 		return
 	}
 
 	// Do not reorg on epoch boundaries
-	if (consensusHead.slot+1)%params.BeaconConfig().SlotsPerEpoch == 0 {
+	if (head.slot+1)%params.BeaconConfig().SlotsPerEpoch == 0 {
 		return
 	}
-	head := f.store.choosePayloadContent(consensusHead)
 	// Only reorg blocks that arrive late
 	early, err := head.arrivedEarly(f.store.genesisTime)
 	if err != nil {
@@ -62,15 +61,15 @@ func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 	}
 	// Only reorg if we have been finalizing
 	finalizedEpoch := f.store.finalizedCheckpoint.Epoch
-	if slots.ToEpoch(consensusHead.slot+1) > finalizedEpoch+params.BeaconConfig().ReorgMaxEpochsSinceFinalization {
+	if slots.ToEpoch(head.slot+1) > finalizedEpoch+params.BeaconConfig().ReorgMaxEpochsSinceFinalization {
 		return
 	}
 	// Only orphan a single block
-	parent := consensusHead.parent
+	parent := head.parent
 	if parent == nil {
 		return
 	}
-	if consensusHead.slot > parent.node.slot+1 {
+	if head.slot > parent.slot+1 {
 		return
 	}
 	// Do not orphan a block that has higher justification than the parent
@@ -79,12 +78,12 @@ func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 	// }
 
 	// Only orphan a block if the head LMD vote is weak
-	if consensusHead.weight*100 > f.store.committeeWeight*params.BeaconConfig().ReorgHeadWeightThreshold {
+	if head.weight*100 > f.store.committeeWeight*params.BeaconConfig().ReorgHeadWeightThreshold {
 		return
 	}
 
 	// Return early if we are checking before 10 seconds into the slot
-	sss, err := slots.SinceSlotStart(consensusHead.slot, f.store.genesisTime, time.Now())
+	sss, err := slots.SinceSlotStart(head.slot, f.store.genesisTime, time.Now())
 	if err != nil {
 		log.WithError(err).Error("could not check current slot")
 		return true
@@ -93,7 +92,7 @@ func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 		return true
 	}
 	// Only orphan a block if the parent LMD vote is strong
-	if parent.node.weight*100 < f.store.committeeWeight*params.BeaconConfig().ReorgParentWeightThreshold {
+	if parent.weight*100 < f.store.committeeWeight*params.BeaconConfig().ReorgParentWeightThreshold {
 		return
 	}
 	return true
@@ -107,61 +106,60 @@ func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 // This function needs to be called only when proposing a block and all
 // attestation processing has already happened.
 func (f *ForkChoice) GetProposerHead() [32]byte {
-	consensusHead := f.store.headNode
-	if consensusHead == nil {
+	head := f.store.headNode
+	if head == nil {
 		return [32]byte{}
 	}
 	// Only reorg blocks from the previous slot.
 	currentSlot := slots.CurrentSlot(f.store.genesisTime)
-	if consensusHead.slot+1 != currentSlot {
-		return consensusHead.root
+	if head.slot+1 != currentSlot {
+		return head.root
 	}
 	// Do not reorg on epoch boundaries
-	if (consensusHead.slot+1)%params.BeaconConfig().SlotsPerEpoch == 0 {
-		return consensusHead.root
+	if (head.slot+1)%params.BeaconConfig().SlotsPerEpoch == 0 {
+		return head.root
 	}
 	// Only reorg blocks that arrive late
-	head := f.store.choosePayloadContent(consensusHead)
 	early, err := head.arrivedEarly(f.store.genesisTime)
 	if err != nil {
 		log.WithError(err).Error("could not check if block arrived early")
-		return consensusHead.root
+		return head.root
 	}
 	if early {
-		return consensusHead.root
+		return head.root
 	}
 	// Only reorg if we have been finalizing
 	finalizedEpoch := f.store.finalizedCheckpoint.Epoch
-	if slots.ToEpoch(consensusHead.slot+1) > finalizedEpoch+params.BeaconConfig().ReorgMaxEpochsSinceFinalization {
-		return consensusHead.root
+	if slots.ToEpoch(head.slot+1) > finalizedEpoch+params.BeaconConfig().ReorgMaxEpochsSinceFinalization {
+		return head.root
 	}
 	// Only orphan a single block
-	parent := consensusHead.parent
+	parent := head.parent
 	if parent == nil {
-		return consensusHead.root
+		return head.root
 	}
-	if consensusHead.slot > parent.node.slot+1 {
-		return consensusHead.root
+	if head.slot > parent.slot+1 {
+		return head.root
 	}
 
 	// Only orphan a block if the head LMD vote is weak
-	if consensusHead.weight*100 > f.store.committeeWeight*params.BeaconConfig().ReorgHeadWeightThreshold {
-		return consensusHead.root
+	if head.weight*100 > f.store.committeeWeight*params.BeaconConfig().ReorgHeadWeightThreshold {
+		return head.root
 	}
 
 	// Only orphan a block if the parent LMD vote is strong
-	if parent.node.weight*100 < f.store.committeeWeight*params.BeaconConfig().ReorgParentWeightThreshold {
-		return consensusHead.root
+	if parent.weight*100 < f.store.committeeWeight*params.BeaconConfig().ReorgParentWeightThreshold {
+		return head.root
 	}
 
 	// Only reorg if we are proposing early
 	sss, err := slots.SinceSlotStart(currentSlot, f.store.genesisTime, time.Now())
 	if err != nil {
 		log.WithError(err).Error("could not check if proposing early")
-		return consensusHead.root
+		return head.root
 	}
 	if sss >= orphanLateBlockProposingEarly*time.Second {
-		return consensusHead.root
+		return head.root
 	}
-	return parent.node.root
+	return parent.root
 }

beacon-chain/forkchoice/doubly-linked-tree/reorg_late_blocks_test.go

@@ -38,6 +38,7 @@ func TestForkChoice_ShouldOverrideFCU(t *testing.T) {
 	require.Equal(t, blk.Root(), headRoot)
 	t.Run("head is weak", func(t *testing.T) {
 		require.Equal(t, true, f.ShouldOverrideFCU())
+
 	})
 	t.Run("head is nil", func(t *testing.T) {
 		saved := f.store.headNode
@@ -59,11 +60,10 @@ func TestForkChoice_ShouldOverrideFCU(t *testing.T) {
 		f.store.headNode.slot = saved
 	})
 	t.Run("head is early", func(t *testing.T) {
-		fn := f.store.fullNodeByRoot[f.store.headNode.root]
-		saved := fn.timestamp
-		fn.timestamp = saved.Add(-2 * time.Second)
+		saved := f.store.headNode.timestamp
+		f.store.headNode.timestamp = saved.Add(-2 * time.Second)
 		require.Equal(t, false, f.ShouldOverrideFCU())
-		fn.timestamp = saved
+		f.store.headNode.timestamp = saved
 	})
 	t.Run("chain not finalizing", func(t *testing.T) {
 		saved := f.store.headNode.slot
@@ -74,10 +74,10 @@ func TestForkChoice_ShouldOverrideFCU(t *testing.T) {
 		driftGenesisTime(f, 2, orphanLateBlockFirstThreshold+time.Second)
 	})
 	t.Run("Not single block reorg", func(t *testing.T) {
-		saved := f.store.headNode.parent.node.slot
-		f.store.headNode.parent.node.slot = 0
+		saved := f.store.headNode.parent.slot
+		f.store.headNode.parent.slot = 0
 		require.Equal(t, false, f.ShouldOverrideFCU())
-		f.store.headNode.parent.node.slot = saved
+		f.store.headNode.parent.slot = saved
 	})
 	t.Run("parent is nil", func(t *testing.T) {
 		saved := f.store.headNode.parent
@@ -86,17 +86,17 @@ func TestForkChoice_ShouldOverrideFCU(t *testing.T) {
 		f.store.headNode.parent = saved
 	})
 	t.Run("parent is weak early call", func(t *testing.T) {
-		saved := f.store.headNode.parent.node.weight
-		f.store.headNode.parent.node.weight = 0
+		saved := f.store.headNode.parent.weight
+		f.store.headNode.parent.weight = 0
 		require.Equal(t, true, f.ShouldOverrideFCU())
-		f.store.headNode.parent.node.weight = saved
+		f.store.headNode.parent.weight = saved
 	})
 	t.Run("parent is weak late call", func(t *testing.T) {
-		saved := f.store.headNode.parent.node.weight
+		saved := f.store.headNode.parent.weight
 		driftGenesisTime(f, 2, 11*time.Second)
-		f.store.headNode.parent.node.weight = 0
+		f.store.headNode.parent.weight = 0
 		require.Equal(t, false, f.ShouldOverrideFCU())
-		f.store.headNode.parent.node.weight = saved
+		f.store.headNode.parent.weight = saved
 		driftGenesisTime(f, 2, orphanLateBlockFirstThreshold+time.Second)
 	})
 	t.Run("Head is strong", func(t *testing.T) {
@@ -135,8 +135,7 @@ func TestForkChoice_GetProposerHead(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, blk.Root(), headRoot)
 	orphanLateBlockFirstThreshold := params.BeaconConfig().SlotComponentDuration(params.BeaconConfig().AttestationDueBPS)
-	fn := f.store.fullNodeByRoot[f.store.headNode.root]
-	fn.timestamp = fn.timestamp.Add(-1 * (params.BeaconConfig().SlotDuration() - orphanLateBlockFirstThreshold))
+	f.store.headNode.timestamp.Add(-1 * (params.BeaconConfig().SlotDuration() - orphanLateBlockFirstThreshold))
 	t.Run("head is weak", func(t *testing.T) {
 		require.Equal(t, parentRoot, f.GetProposerHead())
 	})
@@ -160,12 +159,11 @@ func TestForkChoice_GetProposerHead(t *testing.T) {
 		f.store.headNode.slot = saved
 	})
 	t.Run("head is early", func(t *testing.T) {
-		fn := f.store.fullNodeByRoot[f.store.headNode.root]
-		saved := fn.timestamp
+		saved := f.store.headNode.timestamp
 		headTimeStamp := f.store.genesisTime.Add(time.Duration(uint64(f.store.headNode.slot)*params.BeaconConfig().SecondsPerSlot+1) * time.Second)
-		fn.timestamp = headTimeStamp
+		f.store.headNode.timestamp = headTimeStamp
 		require.Equal(t, childRoot, f.GetProposerHead())
-		fn.timestamp = saved
+		f.store.headNode.timestamp = saved
 	})
 	t.Run("chain not finalizing", func(t *testing.T) {
 		saved := f.store.headNode.slot
@@ -176,10 +174,10 @@ func TestForkChoice_GetProposerHead(t *testing.T) {
 		driftGenesisTime(f, 3, 1*time.Second)
 	})
 	t.Run("Not single block reorg", func(t *testing.T) {
-		saved := f.store.headNode.parent.node.slot
-		f.store.headNode.parent.node.slot = 0
+		saved := f.store.headNode.parent.slot
+		f.store.headNode.parent.slot = 0
 		require.Equal(t, childRoot, f.GetProposerHead())
-		f.store.headNode.parent.node.slot = saved
+		f.store.headNode.parent.slot = saved
 	})
 	t.Run("parent is nil", func(t *testing.T) {
 		saved := f.store.headNode.parent

beacon-chain/forkchoice/doubly-linked-tree/store.go

@@ -13,7 +13,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
 	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
 )
 
 // head starts from justified root and then follows the best descendant links
@@ -27,16 +26,13 @@ func (s *Store) head(ctx context.Context) ([32]byte, error) {
 	}
 
 	// JustifiedRoot has to be known
-	var jn *Node
-	ej := s.emptyNodeByRoot[s.justifiedCheckpoint.Root]
-	if ej != nil {
-		jn = ej.node
-	} else {
+	justifiedNode, ok := s.nodeByRoot[s.justifiedCheckpoint.Root]
+	if !ok || justifiedNode == nil {
 		// If the justifiedCheckpoint is from genesis, then the root is
 		// zeroHash. In this case it should be the root of forkchoice
 		// tree.
 		if s.justifiedCheckpoint.Epoch == params.BeaconConfig().GenesisEpoch {
-			jn = s.treeRootNode
+			justifiedNode = s.treeRootNode
 		} else {
 			return [32]byte{}, errors.WithMessage(errUnknownJustifiedRoot, fmt.Sprintf("%#x", s.justifiedCheckpoint.Root))
 		}
@@ -44,9 +40,9 @@ func (s *Store) head(ctx context.Context) ([32]byte, error) {
 
 	// If the justified node doesn't have a best descendant,
 	// the best node is itself.
-	bestDescendant := jn.bestDescendant
+	bestDescendant := justifiedNode.bestDescendant
 	if bestDescendant == nil {
-		bestDescendant = jn
+		bestDescendant = justifiedNode
 	}
 	currentEpoch := slots.EpochsSinceGenesis(s.genesisTime)
 	if !bestDescendant.viableForHead(s.justifiedCheckpoint.Epoch, currentEpoch) {
@@ -70,42 +66,29 @@ func (s *Store) head(ctx context.Context) ([32]byte, error) {
 // It then updates the new node's parent with the best child and descendant node.
 func (s *Store) insert(ctx context.Context,
 	roblock consensus_blocks.ROBlock,
-	justifiedEpoch, finalizedEpoch primitives.Epoch,
-) (*PayloadNode, error) {
+	justifiedEpoch, finalizedEpoch primitives.Epoch) (*Node, error) {
 	ctx, span := trace.StartSpan(ctx, "doublyLinkedForkchoice.insert")
 	defer span.End()
 
 	root := roblock.Root()
+	block := roblock.Block()
+	slot := block.Slot()
+	parentRoot := block.ParentRoot()
+	var payloadHash [32]byte
+	if block.Version() >= version.Bellatrix {
+		execution, err := block.Body().Execution()
+		if err != nil {
+			return nil, err
+		}
+		copy(payloadHash[:], execution.BlockHash())
+	}
+
 	// Return if the block has been inserted into Store before.
-	if n, ok := s.emptyNodeByRoot[root]; ok {
+	if n, ok := s.nodeByRoot[root]; ok {
 		return n, nil
 	}
 
-	block := roblock.Block()
-	slot := block.Slot()
-	var parent *PayloadNode
-	payloadHash := &[32]byte{}
-	if block.Version() >= version.Gloas {
-		if err := s.getNodeInformation(block, &parent, payloadHash); err != nil {
-			return nil, err
-		}
-	} else {
-		if block.Version() >= version.Bellatrix {
-			execution, err := block.Body().Execution()
-			if err != nil {
-				return nil, err
-			}
-			copy(payloadHash[:], execution.BlockHash())
-		}
-		parentRoot := block.ParentRoot()
-		en := s.fullNodeByRoot[parentRoot]
-		parent = s.fullNodeByRoot[parentRoot]
-		if parent == nil && en != nil {
-			// pre-Gloas only full parents are allowed.
-			return nil, errInvalidParentRoot
-		}
-	}
-
+	parent := s.nodeByRoot[parentRoot]
 	n := &Node{
 		slot:                     slot,
 		root:                     root,
@@ -114,51 +97,30 @@ func (s *Store) insert(ctx context.Context,
 		unrealizedJustifiedEpoch: justifiedEpoch,
 		finalizedEpoch:           finalizedEpoch,
 		unrealizedFinalizedEpoch: finalizedEpoch,
-		payloadHash:              *payloadHash,
+		optimistic:               true,
+		payloadHash:              payloadHash,
+		timestamp:                time.Now(),
 	}
+
 	// Set the node's target checkpoint
 	if slot%params.BeaconConfig().SlotsPerEpoch == 0 {
 		n.target = n
 	} else if parent != nil {
-		if slots.ToEpoch(slot) == slots.ToEpoch(parent.node.slot) {
-			n.target = parent.node.target
+		if slots.ToEpoch(slot) == slots.ToEpoch(parent.slot) {
+			n.target = parent.target
 		} else {
-			n.target = parent.node
+			n.target = parent
 		}
 	}
-	var ret *PayloadNode
-	optimistic := true
-	if parent != nil {
-		optimistic = n.parent.optimistic
-	}
-	// Make the empty node.It's optimistic status equals it's parent's status.
-	pn := &PayloadNode{
-		node:       n,
-		optimistic: optimistic,
-		timestamp:  time.Now(),
-	}
-	s.emptyNodeByRoot[root] = pn
-	ret = pn
-	if block.Version() < version.Gloas {
-		// Make also the full node, this is optimistic until the engine returns the execution payload validation.
-		fn := &PayloadNode{
-			node:       n,
-			optimistic: true,
-			timestamp:  time.Now(),
-			full:       true,
-		}
-		ret = fn
-		s.fullNodeByRoot[root] = fn
-	}
 
+	s.nodeByRoot[root] = n
 	if parent == nil {
 		if s.treeRootNode == nil {
 			s.treeRootNode = n
 			s.headNode = n
 			s.highestReceivedNode = n
 		} else {
-			delete(s.emptyNodeByRoot, root)
-			delete(s.fullNodeByRoot, root)
+			delete(s.nodeByRoot, root)
 			return nil, errInvalidParentRoot
 		}
 	} else {
@@ -166,7 +128,7 @@ func (s *Store) insert(ctx context.Context,
 		// Apply proposer boost
 		now := time.Now()
 		if now.Before(s.genesisTime) {
-			return ret, nil
+			return n, nil
 		}
 		currentSlot := slots.CurrentSlot(s.genesisTime)
 		sss, err := slots.SinceSlotStart(currentSlot, s.genesisTime, now)
@@ -182,16 +144,17 @@ func (s *Store) insert(ctx context.Context,
 		// Update best descendants
 		jEpoch := s.justifiedCheckpoint.Epoch
 		fEpoch := s.finalizedCheckpoint.Epoch
-		if err := s.updateBestDescendantConsensusNode(ctx, s.treeRootNode, jEpoch, fEpoch, slots.ToEpoch(currentSlot)); err != nil {
-			log.WithError(err).WithFields(logrus.Fields{
-				"slot": slot,
-				"root": root,
-			}).Error("Could not update best descendant")
+		if err := s.treeRootNode.updateBestDescendant(ctx, jEpoch, fEpoch, slots.ToEpoch(currentSlot)); err != nil {
+			_, remErr := s.removeNode(ctx, n)
+			if remErr != nil {
+				log.WithError(remErr).Error("could not remove node")
+			}
+			return nil, errors.Wrap(err, "could not update best descendants")
 		}
 	}
 	// Update metrics.
 	processedBlockCount.Inc()
-	nodeCount.Set(float64(len(s.emptyNodeByRoot)))
+	nodeCount.Set(float64(len(s.nodeByRoot)))
 
 	// Only update received block slot if it's within epoch from current time.
 	if slot+params.BeaconConfig().SlotsPerEpoch > slots.CurrentSlot(s.genesisTime) {
@@ -202,10 +165,10 @@ func (s *Store) insert(ctx context.Context,
 		s.highestReceivedNode = n
 	}
 
-	return ret, nil
+	return n, nil
 }
 
-// pruneFinalizedNodeByRootMap prunes the `nodeByRoot` maps
+// pruneFinalizedNodeByRootMap prunes the `nodeByRoot` map
 // starting from `node` down to the finalized Node or to a leaf of the Fork
 // choice store.
 func (s *Store) pruneFinalizedNodeByRootMap(ctx context.Context, node, finalizedNode *Node) error {
@@ -218,51 +181,44 @@ func (s *Store) pruneFinalizedNodeByRootMap(ctx context.Context, node, finalized
 		}
 		return nil
 	}
-	for _, child := range s.allConsensusChildren(node) {
+	for _, child := range node.children {
 		if err := s.pruneFinalizedNodeByRootMap(ctx, child, finalizedNode); err != nil {
 			return err
 		}
 	}
-	en := s.emptyNodeByRoot[node.root]
-	en.children = nil
-	delete(s.emptyNodeByRoot, node.root)
-	fn := s.fullNodeByRoot[node.root]
-	if fn != nil {
-		fn.children = nil
-		delete(s.fullNodeByRoot, node.root)
-	}
+
+	node.children = nil
+	delete(s.nodeByRoot, node.root)
 	return nil
 }
 
 // prune prunes the fork choice store. It removes all nodes that compete with the finalized root.
 // This function does not prune for invalid optimistically synced nodes, it deals only with pruning upon finalization
-// TODO: GLOAS, to ensure that chains up to a full node are found, we may want to consider pruning only up to the latest full block that was finalized
 func (s *Store) prune(ctx context.Context) error {
 	ctx, span := trace.StartSpan(ctx, "doublyLinkedForkchoice.Prune")
 	defer span.End()
 
 	finalizedRoot := s.finalizedCheckpoint.Root
 	finalizedEpoch := s.finalizedCheckpoint.Epoch
-	fen, ok := s.emptyNodeByRoot[finalizedRoot]
-	if !ok || fen == nil {
+	finalizedNode, ok := s.nodeByRoot[finalizedRoot]
+	if !ok || finalizedNode == nil {
 		return errors.WithMessage(errUnknownFinalizedRoot, fmt.Sprintf("%#x", finalizedRoot))
 	}
-	fn := fen.node
 	// return early if we haven't changed the finalized checkpoint
-	if fn.parent == nil {
+	if finalizedNode.parent == nil {
 		return nil
 	}
 
 	// Save the new finalized dependent root because it will be pruned
-	s.finalizedDependentRoot = fn.parent.node.root
+	s.finalizedDependentRoot = finalizedNode.parent.root
 
 	// Prune nodeByRoot starting from root
-	if err := s.pruneFinalizedNodeByRootMap(ctx, s.treeRootNode, fn); err != nil {
+	if err := s.pruneFinalizedNodeByRootMap(ctx, s.treeRootNode, finalizedNode); err != nil {
 		return err
 	}
 
-	fn.parent = nil
-	s.treeRootNode = fn
+	finalizedNode.parent = nil
+	s.treeRootNode = finalizedNode
 
 	prunedCount.Inc()
 	// Prune all children of the finalized checkpoint block that are incompatible with it
@@ -270,13 +226,13 @@ func (s *Store) prune(ctx context.Context) error {
 	if err != nil {
 		return errors.Wrap(err, "could not compute epoch start")
 	}
-	if fn.slot == checkpointMaxSlot {
+	if finalizedNode.slot == checkpointMaxSlot {
 		return nil
 	}
 
-	for _, child := range fen.children {
+	for _, child := range finalizedNode.children {
 		if child != nil && child.slot <= checkpointMaxSlot {
-			if err := s.pruneFinalizedNodeByRootMap(ctx, child, fn); err != nil {
+			if err := s.pruneFinalizedNodeByRootMap(ctx, child, finalizedNode); err != nil {
 				return errors.Wrap(err, "could not prune incompatible finalized child")
 			}
 		}
@@ -290,10 +246,10 @@ func (s *Store) tips() ([][32]byte, []primitives.Slot) {
 	var roots [][32]byte
 	var slots []primitives.Slot
 
-	for root, n := range s.emptyNodeByRoot {
-		if len(s.allConsensusChildren(n.node)) == 0 {
+	for root, node := range s.nodeByRoot {
+		if len(node.children) == 0 {
 			roots = append(roots, root)
-			slots = append(slots, n.node.slot)
+			slots = append(slots, node.slot)
 		}
 	}
 	return roots, slots

beacon-chain/forkchoice/doubly-linked-tree/store_test.go

@@ -1,6 +1,7 @@
 package doublylinkedtree
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -40,18 +41,18 @@ func TestStore_NodeByRoot(t *testing.T) {
 	state, blkRoot, err = prepareForkchoiceState(t.Context(), 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 0, 0)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	node0 := f.store.emptyNodeByRoot[params.BeaconConfig().ZeroHash]
-	node1 := f.store.emptyNodeByRoot[indexToHash(1)]
-	node2 := f.store.emptyNodeByRoot[indexToHash(2)]
+	node0 := f.store.treeRootNode
+	node1 := node0.children[0]
+	node2 := node1.children[0]
 
-	expectedRoots := map[[32]byte]*PayloadNode{
+	expectedRoots := map[[32]byte]*Node{
 		params.BeaconConfig().ZeroHash: node0,
 		indexToHash(1):                 node1,
 		indexToHash(2):                 node2,
 	}
 
 	require.Equal(t, 3, f.NodeCount())
-	for root, node := range f.store.emptyNodeByRoot {
+	for root, node := range f.store.nodeByRoot {
 		v, ok := expectedRoots[root]
 		require.Equal(t, ok, true)
 		require.Equal(t, v, node)
@@ -110,28 +111,37 @@ func TestStore_Head_BestDescendant(t *testing.T) {
 	require.Equal(t, h, indexToHash(4))
 }
 
+func TestStore_UpdateBestDescendant_ContextCancelled(t *testing.T) {
+	ctx, cancel := context.WithCancel(t.Context())
+	f := setup(0, 0)
+	state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 0, 0)
+	require.NoError(t, err)
+	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
+	cancel()
+	state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 0, 0)
+	require.NoError(t, err)
+	err = f.InsertNode(ctx, state, blkRoot)
+	require.ErrorContains(t, "context canceled", err)
+}
+
 func TestStore_Insert(t *testing.T) {
 	// The new node does not have a parent.
 	treeRootNode := &Node{slot: 0, root: indexToHash(0)}
-	emptyRootPN := &PayloadNode{node: treeRootNode}
-	fullRootPN := &PayloadNode{node: treeRootNode, full: true, optimistic: true}
-	emptyNodeByRoot := map[[32]byte]*PayloadNode{indexToHash(0): emptyRootPN}
-	fullNodeByRoot := map[[32]byte]*PayloadNode{indexToHash(0): fullRootPN}
+	nodeByRoot := map[[32]byte]*Node{indexToHash(0): treeRootNode}
 	jc := &forkchoicetypes.Checkpoint{Epoch: 0}
 	fc := &forkchoicetypes.Checkpoint{Epoch: 0}
-	s := &Store{emptyNodeByRoot: emptyNodeByRoot, fullNodeByRoot: fullNodeByRoot, treeRootNode: treeRootNode, justifiedCheckpoint: jc, finalizedCheckpoint: fc, highestReceivedNode: &Node{}}
+	s := &Store{nodeByRoot: nodeByRoot, treeRootNode: treeRootNode, justifiedCheckpoint: jc, finalizedCheckpoint: fc, highestReceivedNode: &Node{}}
 	payloadHash := [32]byte{'a'}
 	ctx := t.Context()
 	_, blk, err := prepareForkchoiceState(ctx, 100, indexToHash(100), indexToHash(0), payloadHash, 1, 1)
 	require.NoError(t, err)
 	_, err = s.insert(ctx, blk, 1, 1)
 	require.NoError(t, err)
-	assert.Equal(t, 2, len(s.emptyNodeByRoot), "Did not insert block")
-	assert.Equal(t, (*PayloadNode)(nil), treeRootNode.parent, "Incorrect parent")
-	children := s.allConsensusChildren(treeRootNode)
-	assert.Equal(t, 1, len(children), "Incorrect children number")
-	assert.Equal(t, payloadHash, children[0].payloadHash, "Incorrect payload hash")
-	child := children[0]
+	assert.Equal(t, 2, len(s.nodeByRoot), "Did not insert block")
+	assert.Equal(t, (*Node)(nil), treeRootNode.parent, "Incorrect parent")
+	assert.Equal(t, 1, len(treeRootNode.children), "Incorrect children number")
+	assert.Equal(t, payloadHash, treeRootNode.children[0].payloadHash, "Incorrect payload hash")
+	child := treeRootNode.children[0]
 	assert.Equal(t, primitives.Epoch(1), child.justifiedEpoch, "Incorrect justification")
 	assert.Equal(t, primitives.Epoch(1), child.finalizedEpoch, "Incorrect finalization")
 	assert.Equal(t, indexToHash(100), child.root, "Incorrect root")
@@ -156,7 +166,7 @@ func TestStore_Prune_MoreThanThreshold(t *testing.T) {
 	// Finalized root is at index 99 so everything before 99 should be pruned.
 	s.finalizedCheckpoint.Root = indexToHash(99)
 	require.NoError(t, s.prune(t.Context()))
-	assert.Equal(t, 1, len(s.emptyNodeByRoot), "Incorrect nodes count")
+	assert.Equal(t, 1, len(s.nodeByRoot), "Incorrect nodes count")
 }
 
 func TestStore_Prune_MoreThanOnce(t *testing.T) {
@@ -178,12 +188,12 @@ func TestStore_Prune_MoreThanOnce(t *testing.T) {
 	// Finalized root is at index 11 so everything before 11 should be pruned.
 	s.finalizedCheckpoint.Root = indexToHash(10)
 	require.NoError(t, s.prune(t.Context()))
-	assert.Equal(t, 90, len(s.emptyNodeByRoot), "Incorrect nodes count")
+	assert.Equal(t, 90, len(s.nodeByRoot), "Incorrect nodes count")
 
 	// One more time.
 	s.finalizedCheckpoint.Root = indexToHash(20)
 	require.NoError(t, s.prune(t.Context()))
-	assert.Equal(t, 80, len(s.emptyNodeByRoot), "Incorrect nodes count")
+	assert.Equal(t, 80, len(s.nodeByRoot), "Incorrect nodes count")
 }
 
 func TestStore_Prune_ReturnEarly(t *testing.T) {
@@ -226,7 +236,7 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 	s := f.store
 	s.finalizedCheckpoint.Root = indexToHash(1)
 	require.NoError(t, s.prune(t.Context()))
-	require.Equal(t, len(s.emptyNodeByRoot), 1)
+	require.Equal(t, len(s.nodeByRoot), 1)
 }
 
 // This test starts with the following branching diagram
@@ -306,7 +316,7 @@ func TestStore_PruneMapsNodes(t *testing.T) {
 	s := f.store
 	s.finalizedCheckpoint.Root = indexToHash(1)
 	require.NoError(t, s.prune(t.Context()))
-	require.Equal(t, len(s.emptyNodeByRoot), 1)
+	require.Equal(t, len(s.nodeByRoot), 1)
 }
 
 func TestForkChoice_ReceivedBlocksLastEpoch(t *testing.T) {

beacon-chain/forkchoice/doubly-linked-tree/types.go

@@ -21,26 +21,23 @@ type ForkChoice struct {
 	balancesByRoot      forkchoice.BalancesByRooter // handler to obtain balances for the state with a given root
 }
 
-var _ forkchoice.ForkChoicer = (*ForkChoice)(nil)
-
 // Store defines the fork choice store which includes block nodes and the last view of checkpoint information.
 type Store struct {
-	justifiedCheckpoint           *forkchoicetypes.Checkpoint                   // latest justified epoch in store.
-	unrealizedJustifiedCheckpoint *forkchoicetypes.Checkpoint                   // best unrealized justified checkpoint in store.
-	unrealizedFinalizedCheckpoint *forkchoicetypes.Checkpoint                   // best unrealized finalized checkpoint in store.
-	prevJustifiedCheckpoint       *forkchoicetypes.Checkpoint                   // previous justified checkpoint in store.
-	finalizedCheckpoint           *forkchoicetypes.Checkpoint                   // latest finalized epoch in store.
-	proposerBoostRoot             [fieldparams.RootLength]byte                  // latest block root that was boosted after being received in a timely manner.
-	previousProposerBoostRoot     [fieldparams.RootLength]byte                  // previous block root that was boosted after being received in a timely manner.
-	previousProposerBoostScore    uint64                                        // previous proposer boosted root score.
-	finalizedDependentRoot        [fieldparams.RootLength]byte                  // dependent root at finalized checkpoint.
-	committeeWeight               uint64                                        // tracks the total active validator balance divided by the number of slots per Epoch.
-	treeRootNode                  *Node                                         // the root node of the store tree.
-	headNode                      *Node                                         // last head Node
-	emptyNodeByRoot               map[[fieldparams.RootLength]byte]*PayloadNode // nodes indexed by roots.
-	fullNodeByRoot                map[[fieldparams.RootLength]byte]*PayloadNode // full nodes (the payload was present) indexed by beacon block root.
-	slashedIndices                map[primitives.ValidatorIndex]bool            // the list of equivocating validator indices
-	originRoot                    [fieldparams.RootLength]byte                  // The genesis block root
+	justifiedCheckpoint           *forkchoicetypes.Checkpoint            // latest justified epoch in store.
+	unrealizedJustifiedCheckpoint *forkchoicetypes.Checkpoint            // best unrealized justified checkpoint in store.
+	unrealizedFinalizedCheckpoint *forkchoicetypes.Checkpoint            // best unrealized finalized checkpoint in store.
+	prevJustifiedCheckpoint       *forkchoicetypes.Checkpoint            // previous justified checkpoint in store.
+	finalizedCheckpoint           *forkchoicetypes.Checkpoint            // latest finalized epoch in store.
+	proposerBoostRoot             [fieldparams.RootLength]byte           // latest block root that was boosted after being received in a timely manner.
+	previousProposerBoostRoot     [fieldparams.RootLength]byte           // previous block root that was boosted after being received in a timely manner.
+	previousProposerBoostScore    uint64                                 // previous proposer boosted root score.
+	finalizedDependentRoot        [fieldparams.RootLength]byte           // dependent root at finalized checkpoint.
+	committeeWeight               uint64                                 // tracks the total active validator balance divided by the number of slots per Epoch.
+	treeRootNode                  *Node                                  // the root node of the store tree.
+	headNode                      *Node                                  // last head Node
+	nodeByRoot                    map[[fieldparams.RootLength]byte]*Node // nodes indexed by roots.
+	slashedIndices                map[primitives.ValidatorIndex]bool     // the list of equivocating validator indices
+	originRoot                    [fieldparams.RootLength]byte           // The genesis block root
 	genesisTime                   time.Time
 	highestReceivedNode           *Node                                      // The highest slot node.
 	receivedBlocksLastEpoch       [fieldparams.SlotsPerEpoch]primitives.Slot // Using `highestReceivedSlot`. The slot of blocks received in the last epoch.
@@ -53,27 +50,18 @@ type Node struct {
 	slot                     primitives.Slot              // slot of the block converted to the node.
 	root                     [fieldparams.RootLength]byte // root of the block converted to the node.
 	payloadHash              [fieldparams.RootLength]byte // payloadHash of the block converted to the node.
-	parent                   *PayloadNode                 // parent index of this node.
+	parent                   *Node                        // parent index of this node.
 	target                   *Node                        // target checkpoint for
-	bestDescendant           *Node                        // bestDescendant node of this node.
+	children                 []*Node                      // the list of direct children of this Node
 	justifiedEpoch           primitives.Epoch             // justifiedEpoch of this node.
 	unrealizedJustifiedEpoch primitives.Epoch             // the epoch that would be justified if the block would be advanced to the next epoch.
 	finalizedEpoch           primitives.Epoch             // finalizedEpoch of this node.
 	unrealizedFinalizedEpoch primitives.Epoch             // the epoch that would be finalized if the block would be advanced to the next epoch.
 	balance                  uint64                       // the balance that voted for this node directly
 	weight                   uint64                       // weight of this node: the total balance including children
-}
-
-// PayloadNode defines a full Forkchoice node after the Gloas fork, with the payload status either empty of full
-type PayloadNode struct {
-	optimistic     bool      // whether the block has been fully validated or not
-	full           bool      // whether this node represents a payload present or not
-	weight         uint64    // weight of this node: the total balance including children
-	balance        uint64    // the balance that voted for this node directly
-	bestDescendant *Node     // bestDescendant node of this payload node.
-	node           *Node     // the consensus part of this full forkchoice node
-	timestamp      time.Time // The timestamp when the node was inserted.
-	children       []*Node   // the list of direct children of this Node
+	bestDescendant           *Node                        // bestDescendant node of this node.
+	optimistic               bool                         // whether the block has been fully validated or not
+	timestamp                time.Time                    // The timestamp when the node was inserted.
 }
 
 // Vote defines an individual validator's vote.

beacon-chain/forkchoice/doubly-linked-tree/unrealized_justification.go

@@ -15,34 +15,33 @@ import (
 )
 
 func (s *Store) setUnrealizedJustifiedEpoch(root [32]byte, epoch primitives.Epoch) error {
-	en, ok := s.emptyNodeByRoot[root]
-	if !ok || en == nil {
+	node, ok := s.nodeByRoot[root]
+	if !ok || node == nil {
 		return errors.Wrap(ErrNilNode, "could not set unrealized justified epoch")
 	}
-	if epoch < en.node.unrealizedJustifiedEpoch {
+	if epoch < node.unrealizedJustifiedEpoch {
 		return errInvalidUnrealizedJustifiedEpoch
 	}
-	en.node.unrealizedJustifiedEpoch = epoch
+	node.unrealizedJustifiedEpoch = epoch
 	return nil
 }
 
 func (s *Store) setUnrealizedFinalizedEpoch(root [32]byte, epoch primitives.Epoch) error {
-	en, ok := s.emptyNodeByRoot[root]
-	if !ok || en == nil {
+	node, ok := s.nodeByRoot[root]
+	if !ok || node == nil {
 		return errors.Wrap(ErrNilNode, "could not set unrealized finalized epoch")
 	}
-	if epoch < en.node.unrealizedFinalizedEpoch {
+	if epoch < node.unrealizedFinalizedEpoch {
 		return errInvalidUnrealizedFinalizedEpoch
 	}
-	en.node.unrealizedFinalizedEpoch = epoch
+	node.unrealizedFinalizedEpoch = epoch
 	return nil
 }
 
 // updateUnrealizedCheckpoints "realizes" the unrealized justified and finalized
 // epochs stored within nodes. It should be called at the beginning of each epoch.
 func (f *ForkChoice) updateUnrealizedCheckpoints(ctx context.Context) error {
-	for _, en := range f.store.emptyNodeByRoot {
-		node := en.node
+	for _, node := range f.store.nodeByRoot {
 		node.justifiedEpoch = node.unrealizedJustifiedEpoch
 		node.finalizedEpoch = node.unrealizedFinalizedEpoch
 		if node.justifiedEpoch > f.store.justifiedCheckpoint.Epoch {
@@ -63,17 +62,16 @@ func (s *Store) pullTips(state state.BeaconState, node *Node, jc, fc *ethpb.Chec
 	if node.parent == nil { // Nothing to do if the parent is nil.
 		return jc, fc
 	}
-	pn := node.parent.node
 	currentEpoch := slots.ToEpoch(slots.CurrentSlot(s.genesisTime))
 	stateSlot := state.Slot()
 	stateEpoch := slots.ToEpoch(stateSlot)
-	currJustified := pn.unrealizedJustifiedEpoch == currentEpoch
-	prevJustified := pn.unrealizedJustifiedEpoch+1 == currentEpoch
+	currJustified := node.parent.unrealizedJustifiedEpoch == currentEpoch
+	prevJustified := node.parent.unrealizedJustifiedEpoch+1 == currentEpoch
 	tooEarlyForCurr := slots.SinceEpochStarts(stateSlot)*3 < params.BeaconConfig().SlotsPerEpoch*2
 	// Exit early if it's justified or too early to be justified.
 	if currJustified || (stateEpoch == currentEpoch && prevJustified && tooEarlyForCurr) {
-		node.unrealizedJustifiedEpoch = pn.unrealizedJustifiedEpoch
-		node.unrealizedFinalizedEpoch = pn.unrealizedFinalizedEpoch
+		node.unrealizedJustifiedEpoch = node.parent.unrealizedJustifiedEpoch
+		node.unrealizedFinalizedEpoch = node.parent.unrealizedFinalizedEpoch
 		return jc, fc
 	}
 

beacon-chain/forkchoice/doubly-linked-tree/unrealized_justification_test.go

@@ -22,12 +22,12 @@ func TestStore_SetUnrealizedEpochs(t *testing.T) {
 	state, blkRoot, err = prepareForkchoiceState(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{'C'}, 1, 1)
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
-	require.Equal(t, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'b'}].node.unrealizedJustifiedEpoch)
-	require.Equal(t, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'b'}].node.unrealizedFinalizedEpoch)
+	require.Equal(t, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'b'}].unrealizedJustifiedEpoch)
+	require.Equal(t, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'b'}].unrealizedFinalizedEpoch)
 	require.NoError(t, f.store.setUnrealizedJustifiedEpoch([32]byte{'b'}, 2))
 	require.NoError(t, f.store.setUnrealizedFinalizedEpoch([32]byte{'b'}, 2))
-	require.Equal(t, primitives.Epoch(2), f.store.emptyNodeByRoot[[32]byte{'b'}].node.unrealizedJustifiedEpoch)
-	require.Equal(t, primitives.Epoch(2), f.store.emptyNodeByRoot[[32]byte{'b'}].node.unrealizedFinalizedEpoch)
+	require.Equal(t, primitives.Epoch(2), f.store.nodeByRoot[[32]byte{'b'}].unrealizedJustifiedEpoch)
+	require.Equal(t, primitives.Epoch(2), f.store.nodeByRoot[[32]byte{'b'}].unrealizedFinalizedEpoch)
 
 	require.ErrorIs(t, errInvalidUnrealizedJustifiedEpoch, f.store.setUnrealizedJustifiedEpoch([32]byte{'b'}, 0))
 	require.ErrorIs(t, errInvalidUnrealizedFinalizedEpoch, f.store.setUnrealizedFinalizedEpoch([32]byte{'b'}, 0))
@@ -78,9 +78,9 @@ func TestStore_LongFork(t *testing.T) {
 	// Add an attestation to c, it is head
 	f.ProcessAttestation(ctx, []uint64{0}, [32]byte{'c'}, 1)
 	f.justifiedBalances = []uint64{100}
-	c := f.store.emptyNodeByRoot[[32]byte{'c'}]
-	require.Equal(t, primitives.Epoch(2), slots.ToEpoch(c.node.slot))
-	driftGenesisTime(f, c.node.slot, 0)
+	c := f.store.nodeByRoot[[32]byte{'c'}]
+	require.Equal(t, primitives.Epoch(2), slots.ToEpoch(c.slot))
+	driftGenesisTime(f, c.slot, 0)
 	headRoot, err := f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'c'}, headRoot)
@@ -91,15 +91,15 @@ func TestStore_LongFork(t *testing.T) {
 	require.NoError(t, err)
 	require.NoError(t, f.InsertNode(ctx, state, blkRoot))
 	require.NoError(t, f.UpdateJustifiedCheckpoint(ctx, &forkchoicetypes.Checkpoint{Epoch: 2, Root: ha}))
-	d := f.store.emptyNodeByRoot[[32]byte{'d'}]
-	require.Equal(t, primitives.Epoch(3), slots.ToEpoch(d.node.slot))
-	driftGenesisTime(f, d.node.slot, 0)
-	require.Equal(t, true, d.node.viableForHead(f.store.justifiedCheckpoint.Epoch, slots.ToEpoch(d.node.slot)))
+	d := f.store.nodeByRoot[[32]byte{'d'}]
+	require.Equal(t, primitives.Epoch(3), slots.ToEpoch(d.slot))
+	driftGenesisTime(f, d.slot, 0)
+	require.Equal(t, true, d.viableForHead(f.store.justifiedCheckpoint.Epoch, slots.ToEpoch(d.slot)))
 	headRoot, err = f.Head(ctx)
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'c'}, headRoot)
-	require.Equal(t, uint64(0), f.store.emptyNodeByRoot[[32]byte{'d'}].weight)
-	require.Equal(t, uint64(100), f.store.emptyNodeByRoot[[32]byte{'c'}].weight)
+	require.Equal(t, uint64(0), f.store.nodeByRoot[[32]byte{'d'}].weight)
+	require.Equal(t, uint64(100), f.store.nodeByRoot[[32]byte{'c'}].weight)
 }
 
 //	Epoch 1                Epoch 2               Epoch 3
@@ -243,8 +243,8 @@ func TestStore_ForkNextEpoch(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'d'}, headRoot)
 	require.Equal(t, primitives.Epoch(2), f.JustifiedCheckpoint().Epoch)
-	require.Equal(t, uint64(0), f.store.emptyNodeByRoot[[32]byte{'d'}].weight)
-	require.Equal(t, uint64(100), f.store.emptyNodeByRoot[[32]byte{'h'}].weight)
+	require.Equal(t, uint64(0), f.store.nodeByRoot[[32]byte{'d'}].weight)
+	require.Equal(t, uint64(100), f.store.nodeByRoot[[32]byte{'h'}].weight)
 	// Set current epoch to 3, and H's unrealized checkpoint. Check it's head
 	driftGenesisTime(f, 99, 0)
 	require.NoError(t, f.store.setUnrealizedJustifiedEpoch([32]byte{'h'}, 2))
@@ -252,8 +252,8 @@ func TestStore_ForkNextEpoch(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, [32]byte{'h'}, headRoot)
 	require.Equal(t, primitives.Epoch(2), f.JustifiedCheckpoint().Epoch)
-	require.Equal(t, uint64(0), f.store.emptyNodeByRoot[[32]byte{'d'}].weight)
-	require.Equal(t, uint64(100), f.store.emptyNodeByRoot[[32]byte{'h'}].weight)
+	require.Equal(t, uint64(0), f.store.nodeByRoot[[32]byte{'d'}].weight)
+	require.Equal(t, uint64(100), f.store.nodeByRoot[[32]byte{'h'}].weight)
 }
 
 func TestStore_PullTips_Heuristics(t *testing.T) {
@@ -263,14 +263,14 @@ func TestStore_PullTips_Heuristics(t *testing.T) {
 		st, root, err := prepareForkchoiceState(ctx, 65, [32]byte{'p'}, [32]byte{}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		f.store.emptyNodeByRoot[[32]byte{'p'}].node.unrealizedJustifiedEpoch = primitives.Epoch(2)
+		f.store.nodeByRoot[[32]byte{'p'}].unrealizedJustifiedEpoch = primitives.Epoch(2)
 		driftGenesisTime(f, 66, 0)
 
 		st, root, err = prepareForkchoiceState(ctx, 66, [32]byte{'h'}, [32]byte{'p'}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		require.Equal(tt, primitives.Epoch(2), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedJustifiedEpoch)
-		require.Equal(tt, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedFinalizedEpoch)
+		require.Equal(tt, primitives.Epoch(2), f.store.nodeByRoot[[32]byte{'h'}].unrealizedJustifiedEpoch)
+		require.Equal(tt, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'h'}].unrealizedFinalizedEpoch)
 	})
 
 	t.Run("Previous Epoch is justified and too early for current", func(tt *testing.T) {
@@ -278,21 +278,21 @@ func TestStore_PullTips_Heuristics(t *testing.T) {
 		st, root, err := prepareForkchoiceState(ctx, 95, [32]byte{'p'}, [32]byte{}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		f.store.emptyNodeByRoot[[32]byte{'p'}].node.unrealizedJustifiedEpoch = primitives.Epoch(2)
+		f.store.nodeByRoot[[32]byte{'p'}].unrealizedJustifiedEpoch = primitives.Epoch(2)
 		driftGenesisTime(f, 96, 0)
 
 		st, root, err = prepareForkchoiceState(ctx, 96, [32]byte{'h'}, [32]byte{'p'}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		require.Equal(tt, primitives.Epoch(2), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedJustifiedEpoch)
-		require.Equal(tt, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedFinalizedEpoch)
+		require.Equal(tt, primitives.Epoch(2), f.store.nodeByRoot[[32]byte{'h'}].unrealizedJustifiedEpoch)
+		require.Equal(tt, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'h'}].unrealizedFinalizedEpoch)
 	})
 	t.Run("Previous Epoch is justified and not too early for current", func(tt *testing.T) {
 		f := setup(1, 1)
 		st, root, err := prepareForkchoiceState(ctx, 95, [32]byte{'p'}, [32]byte{}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		f.store.emptyNodeByRoot[[32]byte{'p'}].node.unrealizedJustifiedEpoch = primitives.Epoch(2)
+		f.store.nodeByRoot[[32]byte{'p'}].unrealizedJustifiedEpoch = primitives.Epoch(2)
 		driftGenesisTime(f, 127, 0)
 
 		st, root, err = prepareForkchoiceState(ctx, 127, [32]byte{'h'}, [32]byte{'p'}, [32]byte{}, 1, 1)
@@ -302,14 +302,14 @@ func TestStore_PullTips_Heuristics(t *testing.T) {
 		// This test checks that the heuristics in pullTips did not apply and
 		// the test continues to compute a bogus unrealized
 		// justification
-		require.Equal(tt, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedJustifiedEpoch)
+		require.Equal(tt, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'h'}].unrealizedJustifiedEpoch)
 	})
 	t.Run("Block from previous Epoch", func(tt *testing.T) {
 		f := setup(1, 1)
 		st, root, err := prepareForkchoiceState(ctx, 94, [32]byte{'p'}, [32]byte{}, [32]byte{}, 1, 1)
 		require.NoError(tt, err)
 		require.NoError(tt, f.InsertNode(ctx, st, root))
-		f.store.emptyNodeByRoot[[32]byte{'p'}].node.unrealizedJustifiedEpoch = primitives.Epoch(2)
+		f.store.nodeByRoot[[32]byte{'p'}].unrealizedJustifiedEpoch = primitives.Epoch(2)
 		driftGenesisTime(f, 96, 0)
 
 		st, root, err = prepareForkchoiceState(ctx, 95, [32]byte{'h'}, [32]byte{'p'}, [32]byte{}, 1, 1)
@@ -319,7 +319,7 @@ func TestStore_PullTips_Heuristics(t *testing.T) {
 		// This test checks that the heuristics in pullTips did not apply and
 		// the test continues to compute a bogus unrealized
 		// justification
-		require.Equal(tt, primitives.Epoch(1), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedJustifiedEpoch)
+		require.Equal(tt, primitives.Epoch(1), f.store.nodeByRoot[[32]byte{'h'}].unrealizedJustifiedEpoch)
 	})
 	t.Run("Previous Epoch is not justified", func(tt *testing.T) {
 		f := setup(1, 1)
@@ -335,6 +335,6 @@ func TestStore_PullTips_Heuristics(t *testing.T) {
 		// This test checks that the heuristics in pullTips did not apply and
 		// the test continues to compute a bogus unrealized
 		// justification
-		require.Equal(tt, primitives.Epoch(2), f.store.emptyNodeByRoot[[32]byte{'h'}].node.unrealizedJustifiedEpoch)
+		require.Equal(tt, primitives.Epoch(2), f.store.nodeByRoot[[32]byte{'h'}].unrealizedJustifiedEpoch)
 	})
 }

beacon-chain/forkchoice/doubly-linked-tree/vote_test.go

@@ -284,7 +284,7 @@ func TestVotes_CanFindHead(t *testing.T) {
 	//        9  10
 	f.store.finalizedCheckpoint.Root = indexToHash(5)
 	require.NoError(t, f.store.prune(t.Context()))
-	assert.Equal(t, 5, len(f.store.emptyNodeByRoot), "Incorrect nodes length after prune")
+	assert.Equal(t, 5, len(f.store.nodeByRoot), "Incorrect nodes length after prune")
 	// we pruned artificially the justified root.
 	f.store.justifiedCheckpoint.Root = indexToHash(5)
 

beacon-chain/forkchoice/interfaces.go

@@ -89,7 +89,7 @@ type FastGetter interface {
 // Setter allows to set forkchoice information
 type Setter interface {
 	SetOptimisticToValid(context.Context, [fieldparams.RootLength]byte) error
-	SetOptimisticToInvalid(context.Context, [32]byte, [32]byte, [32]byte, [32]byte) ([][32]byte, error)
+	SetOptimisticToInvalid(context.Context, [fieldparams.RootLength]byte, [fieldparams.RootLength]byte, [fieldparams.RootLength]byte) ([][32]byte, error)
 	UpdateJustifiedCheckpoint(context.Context, *forkchoicetypes.Checkpoint) error
 	UpdateFinalizedCheckpoint(*forkchoicetypes.Checkpoint) error
 	SetGenesisTime(time.Time)

beacon-chain/p2p/gossip_topic_mappings.go

@@ -25,6 +25,8 @@ var gossipTopicMappings = map[string]func() proto.Message{
 	LightClientOptimisticUpdateTopicFormat:    func() proto.Message { return &ethpb.LightClientOptimisticUpdateAltair{} },
 	LightClientFinalityUpdateTopicFormat:      func() proto.Message { return &ethpb.LightClientFinalityUpdateAltair{} },
 	DataColumnSubnetTopicFormat:               func() proto.Message { return &ethpb.DataColumnSidecar{} },
+	PayloadAttestationMessageTopicFormat:      func() proto.Message { return &ethpb.PayloadAttestationMessage{} },
+	ExecutionPayloadEnvelopeTopicFormat:       func() proto.Message { return &ethpb.SignedExecutionPayloadEnvelope{} },
 }
 
 // GossipTopicMappings is a function to return the assigned data type
@@ -144,4 +146,7 @@ func init() {
 
 	// Specially handle Fulu objects.
 	GossipTypeMapping[reflect.TypeFor[*ethpb.SignedBeaconBlockFulu]()] = BlockSubnetTopicFormat
+
+	// Payload attestation messages.
+	GossipTypeMapping[reflect.TypeFor[*ethpb.PayloadAttestationMessage]()] = PayloadAttestationMessageTopicFormat
 }

beacon-chain/p2p/testing/p2p.go

@@ -138,6 +138,9 @@ func connect(a, b host.Host) error {
 func (p *TestP2P) ReceiveRPC(topic string, msg proto.Message) {
 	h, err := libp2p.New(libp2p.ResourceManager(&network.NullResourceManager{}))
 	require.NoError(p.t, err)
+	p.t.Cleanup(func() {
+		require.NoError(p.t, h.Close())
+	})
 	if err := connect(h, p.BHost); err != nil {
 		p.t.Fatalf("Failed to connect two peers for RPC: %v", err)
 	}
@@ -169,6 +172,9 @@ func (p *TestP2P) ReceiveRPC(topic string, msg proto.Message) {
 func (p *TestP2P) ReceivePubSub(topic string, msg proto.Message) {
 	h, err := libp2p.New(libp2p.ResourceManager(&network.NullResourceManager{}))
 	require.NoError(p.t, err)
+	p.t.Cleanup(func() {
+		require.NoError(p.t, h.Close())
+	})
 	ps, err := pubsub.NewFloodSub(context.Background(), h,
 		pubsub.WithMessageSigning(false),
 		pubsub.WithStrictSignatureVerification(false),

beacon-chain/p2p/topics.go

@@ -46,6 +46,10 @@ const (
 	GossipLightClientOptimisticUpdateMessage = "light_client_optimistic_update"
 	// GossipDataColumnSidecarMessage is the name for the data column sidecar message type.
 	GossipDataColumnSidecarMessage = "data_column_sidecar"
+	// GossipPayloadAttestationMessage is the name for the payload attestation message type.
+	GossipPayloadAttestationMessage = "payload_attestation_message"
+	// GossipExecutionPayloadEnvelopeMessage is the name for the execution payload envelope message type.
+	GossipExecutionPayloadEnvelopeMessage = "execution_payload_envelope"
 
 	// Topic Formats
 	//
@@ -75,6 +79,10 @@ const (
 	LightClientOptimisticUpdateTopicFormat = GossipProtocolAndDigest + GossipLightClientOptimisticUpdateMessage
 	// DataColumnSubnetTopicFormat is the topic format for the data column subnet.
 	DataColumnSubnetTopicFormat = GossipProtocolAndDigest + GossipDataColumnSidecarMessage + "_%d"
+	// PayloadAttestationMessageTopicFormat is the topic format for payload attestation messages.
+	PayloadAttestationMessageTopicFormat = GossipProtocolAndDigest + GossipPayloadAttestationMessage
+	// ExecutionPayloadEnvelopeTopicFormat is the topic format for execution payload envelopes.
+	ExecutionPayloadEnvelopeTopicFormat = GossipProtocolAndDigest + GossipExecutionPayloadEnvelopeMessage
 )
 
 // topic is a struct representing a single gossipsub topic.
@@ -141,7 +149,7 @@ func (s *Service) allTopics() []topic {
 	cfg := params.BeaconConfig()
 	// bellatrix: no special topics; electra: blobs topics handled all together
 	genesis, altair, capella := cfg.GenesisEpoch, cfg.AltairForkEpoch, cfg.CapellaForkEpoch
-	deneb, fulu, future := cfg.DenebForkEpoch, cfg.FuluForkEpoch, cfg.FarFutureEpoch
+	deneb, fulu, gloas, future := cfg.DenebForkEpoch, cfg.FuluForkEpoch, cfg.GloasForkEpoch, cfg.FarFutureEpoch
 	// Templates are starter topics - they have a placeholder digest and the subnet is set to the maximum value
 	// for the subnet (see how this is used in allSubnetsBelow). These are not directly returned by the method,
 	// they are copied and modified for each digest where they apply based on the start and end epochs.
@@ -158,6 +166,8 @@ func (s *Service) allTopics() []topic {
 		newTopic(altair, future, empty, GossipLightClientOptimisticUpdateMessage),
 		newTopic(altair, future, empty, GossipLightClientFinalityUpdateMessage),
 		newTopic(capella, future, empty, GossipBlsToExecutionChangeMessage),
+		newTopic(gloas, future, empty, GossipPayloadAttestationMessage),
+		newTopic(gloas, future, empty, GossipExecutionPayloadEnvelopeMessage),
 	}
 	last := params.GetNetworkScheduleEntry(genesis)
 	schedule := []params.NetworkScheduleEntry{last}

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

@@ -82,20 +82,20 @@ func (b *BeaconState) SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid)
 	parentBlockRoot := h.ParentBlockRoot()
 	blockHash := h.BlockHash()
 	randao := h.PrevRandao()
-	blobKzgCommitmentsRoot := h.BlobKzgCommitmentsRoot()
+	blobKzgCommitments := h.BlobKzgCommitments()
 	feeRecipient := h.FeeRecipient()
 	b.latestExecutionPayloadBid = &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        parentBlockHash[:],
-		ParentBlockRoot:        parentBlockRoot[:],
-		BlockHash:              blockHash[:],
-		PrevRandao:             randao[:],
-		GasLimit:               h.GasLimit(),
-		BuilderIndex:           h.BuilderIndex(),
-		Slot:                   h.Slot(),
-		Value:                  h.Value(),
-		ExecutionPayment:       h.ExecutionPayment(),
-		BlobKzgCommitmentsRoot: blobKzgCommitmentsRoot[:],
-		FeeRecipient:           feeRecipient[:],
+		ParentBlockHash:    parentBlockHash[:],
+		ParentBlockRoot:    parentBlockRoot[:],
+		BlockHash:          blockHash[:],
+		PrevRandao:         randao[:],
+		GasLimit:           h.GasLimit(),
+		BuilderIndex:       h.BuilderIndex(),
+		Slot:               h.Slot(),
+		Value:              h.Value(),
+		ExecutionPayment:   h.ExecutionPayment(),
+		BlobKzgCommitments: blobKzgCommitments,
+		FeeRecipient:       feeRecipient[:],
 	}
 	b.markFieldAsDirty(types.LatestExecutionPayloadBid)
 

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

@@ -14,17 +14,17 @@ import (
 )
 
 type testExecutionPayloadBid struct {
-	parentBlockHash        [32]byte
-	parentBlockRoot        [32]byte
-	blockHash              [32]byte
-	prevRandao             [32]byte
-	blobKzgCommitmentsRoot [32]byte
-	feeRecipient           [20]byte
-	gasLimit               uint64
-	builderIndex           primitives.BuilderIndex
-	slot                   primitives.Slot
-	value                  primitives.Gwei
-	executionPayment       primitives.Gwei
+	parentBlockHash    [32]byte
+	parentBlockRoot    [32]byte
+	blockHash          [32]byte
+	prevRandao         [32]byte
+	blobKzgCommitments [][]byte
+	feeRecipient       [20]byte
+	gasLimit           uint64
+	builderIndex       primitives.BuilderIndex
+	slot               primitives.Slot
+	value              primitives.Gwei
+	executionPayment   primitives.Gwei
 }
 
 func (t testExecutionPayloadBid) ParentBlockHash() [32]byte { return t.parentBlockHash }
@@ -40,9 +40,12 @@ func (t testExecutionPayloadBid) Value() primitives.Gwei { return t.value }
 func (t testExecutionPayloadBid) ExecutionPayment() primitives.Gwei {
 	return t.executionPayment
 }
-func (t testExecutionPayloadBid) BlobKzgCommitmentsRoot() [32]byte { return t.blobKzgCommitmentsRoot }
-func (t testExecutionPayloadBid) FeeRecipient() [20]byte           { return t.feeRecipient }
-func (t testExecutionPayloadBid) IsNil() bool                      { return false }
+func (t testExecutionPayloadBid) BlobKzgCommitments() [][]byte { return t.blobKzgCommitments }
+func (t testExecutionPayloadBid) BlobKzgCommitmentCount() uint64 {
+	return uint64(len(t.blobKzgCommitments))
+}
+func (t testExecutionPayloadBid) FeeRecipient() [20]byte { return t.feeRecipient }
+func (t testExecutionPayloadBid) IsNil() bool            { return false }
 
 func TestSetExecutionPayloadBid(t *testing.T) {
 	t.Run("previous fork returns expected error", func(t *testing.T) {
@@ -57,7 +60,7 @@ func TestSetExecutionPayloadBid(t *testing.T) {
 			parentBlockRoot = [32]byte(bytes.Repeat([]byte{0xCD}, 32))
 			blockHash       = [32]byte(bytes.Repeat([]byte{0xEF}, 32))
 			prevRandao      = [32]byte(bytes.Repeat([]byte{0x11}, 32))
-			blobRoot        = [32]byte(bytes.Repeat([]byte{0x22}, 32))
+			blobCommitments = [][]byte{bytes.Repeat([]byte{0x22}, 48)}
 			feeRecipient    [20]byte
 		)
 		copy(feeRecipient[:], bytes.Repeat([]byte{0x33}, len(feeRecipient)))
@@ -66,17 +69,17 @@ func TestSetExecutionPayloadBid(t *testing.T) {
 			dirtyFields: make(map[types.FieldIndex]bool),
 		}
 		bid := testExecutionPayloadBid{
-			parentBlockHash:        parentBlockHash,
-			parentBlockRoot:        parentBlockRoot,
-			blockHash:              blockHash,
-			prevRandao:             prevRandao,
-			blobKzgCommitmentsRoot: blobRoot,
-			feeRecipient:           feeRecipient,
-			gasLimit:               123,
-			builderIndex:           7,
-			slot:                   9,
-			value:                  11,
-			executionPayment:       22,
+			parentBlockHash:    parentBlockHash,
+			parentBlockRoot:    parentBlockRoot,
+			blockHash:          blockHash,
+			prevRandao:         prevRandao,
+			blobKzgCommitments: blobCommitments,
+			feeRecipient:       feeRecipient,
+			gasLimit:           123,
+			builderIndex:       7,
+			slot:               9,
+			value:              11,
+			executionPayment:   22,
 		}
 
 		require.NoError(t, st.SetExecutionPayloadBid(bid))
@@ -86,7 +89,7 @@ func TestSetExecutionPayloadBid(t *testing.T) {
 		require.DeepEqual(t, parentBlockRoot[:], st.latestExecutionPayloadBid.ParentBlockRoot)
 		require.DeepEqual(t, blockHash[:], st.latestExecutionPayloadBid.BlockHash)
 		require.DeepEqual(t, prevRandao[:], st.latestExecutionPayloadBid.PrevRandao)
-		require.DeepEqual(t, blobRoot[:], st.latestExecutionPayloadBid.BlobKzgCommitmentsRoot)
+		require.DeepEqual(t, blobCommitments, st.latestExecutionPayloadBid.BlobKzgCommitments)
 		require.DeepEqual(t, feeRecipient[:], st.latestExecutionPayloadBid.FeeRecipient)
 		require.Equal(t, uint64(123), st.latestExecutionPayloadBid.GasLimit)
 		require.Equal(t, primitives.BuilderIndex(7), st.latestExecutionPayloadBid.BuilderIndex)

beacon-chain/sync/BUILD.bazel

@@ -47,6 +47,7 @@ go_library(
         "subscriber_bls_to_execution_change.go",
         "subscriber_data_column_sidecar.go",
         "subscriber_handlers.go",
+        "subscriber_payload_attestation.go",
         "subscriber_sync_committee_message.go",
         "subscriber_sync_contribution_proof.go",
         "subscription_topic_handler.go",
@@ -57,7 +58,9 @@ go_library(
         "validate_blob.go",
         "validate_bls_to_execution_change.go",
         "validate_data_column.go",
+        "validate_execution_payload_envelope.go",
         "validate_light_client.go",
+        "validate_payload_attestation.go",
         "validate_proposer_slashing.go",
         "validate_sync_committee_message.go",
         "validate_sync_contribution_proof.go",
@@ -114,6 +117,7 @@ go_library(
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/payload-attestation:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//consensus-types/wrapper:go_default_library",
         "//container/leaky-bucket:go_default_library",
@@ -211,7 +215,9 @@ go_test(
         "validate_blob_test.go",
         "validate_bls_to_execution_change_test.go",
         "validate_data_column_test.go",
+        "validate_execution_payload_envelope_test.go",
         "validate_light_client_test.go",
+        "validate_payload_attestation_test.go",
         "validate_proposer_slashing_test.go",
         "validate_sync_committee_message_test.go",
         "validate_sync_contribution_proof_test.go",
@@ -264,6 +270,7 @@ go_test(
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/payload-attestation:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//consensus-types/wrapper:go_default_library",
         "//container/leaky-bucket:go_default_library",

beacon-chain/sync/options.go

@@ -207,6 +207,13 @@ func WithTrackedValidatorsCache(c *cache.TrackedValidatorsCache) Option {
 	}
 }
 
+func WithPayloadAttestationCache(c *cache.PayloadAttestationCache) Option {
+	return func(s *Service) error {
+		s.payloadAttestationCache = c
+		return nil
+	}
+}
+
 // WithSlasherEnabled configures the sync package to support slashing detection.
 func WithSlasherEnabled(enabled bool) Option {
 	return func(s *Service) error {

beacon-chain/sync/service.go

@@ -38,6 +38,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	leakybucket "github.com/OffchainLabs/prysm/v7/container/leaky-bucket"
 	"github.com/OffchainLabs/prysm/v7/crypto/rand"
@@ -61,6 +62,7 @@ var _ runtime.Service = (*Service)(nil)
 const (
 	rangeLimit               uint64 = 1024
 	seenBlockSize                   = 1000
+	seenPayloadEnvelopeSize         = 1000
 	seenDataColumnSize              = seenBlockSize * 128 // Each block can have max 128 data columns.
 	seenUnaggregatedAttSize         = 20000
 	seenAggregatedAttSize           = 16384
@@ -117,10 +119,12 @@ type blockchainService interface {
 	blockchain.BlockReceiver
 	blockchain.BlobReceiver
 	blockchain.DataColumnReceiver
+	blockchain.ExecutionPayloadEnvelopeReceiver
 	blockchain.HeadFetcher
 	blockchain.FinalizationFetcher
 	blockchain.ForkFetcher
 	blockchain.AttestationReceiver
+	blockchain.PayloadAttestationReceiver
 	blockchain.TimeFetcher
 	blockchain.GenesisFetcher
 	blockchain.CanonicalFetcher
@@ -146,6 +150,8 @@ type Service struct {
 	rateLimiter                      *limiter
 	seenBlockLock                    sync.RWMutex
 	seenBlockCache                   *lru.Cache
+	seenPayloadEnvelopeLock          sync.RWMutex
+	seenPayloadEnvelopeCache         *lru.Cache
 	seenBlobLock                     sync.RWMutex
 	seenBlobCache                    *lru.Cache
 	seenDataColumnCache              *slotAwareCache
@@ -173,6 +179,7 @@ type Service struct {
 	verifierWaiter                   *verification.InitializerWaiter
 	newBlobVerifier                  verification.NewBlobVerifier
 	newColumnsVerifier               verification.NewDataColumnsVerifier
+	newPayloadAttestationVerifier    verification.NewPayloadAttestationMsgVerifier
 	columnSidecarsExecSingleFlight   singleflight.Group
 	reconstructionSingleFlight       singleflight.Group
 	availableBlocker                 coverage.AvailableBlocker
@@ -182,23 +189,26 @@ type Service struct {
 	slasherEnabled                   bool
 	lcStore                          *lightClient.Store
 	dataColumnLogCh                  chan dataColumnLogEntry
+	payloadAttestationCache          *cache.PayloadAttestationCache
 	digestActions                    perDigestSet
 	subscriptionSpawner              func(func()) // see Service.spawn for details
+	newExecutionPayloadEnvelopeVerifier verification.NewExecutionPayloadEnvelopeVerifier
 }
 
 // NewService initializes new regular sync service.
 func NewService(ctx context.Context, opts ...Option) *Service {
 	ctx, cancel := context.WithCancel(ctx)
 	r := &Service{
-		ctx:                   ctx,
-		cancel:                cancel,
-		chainStarted:          abool.New(),
-		cfg:                   &config{clock: startup.NewClock(time.Unix(0, 0), [32]byte{})},
-		slotToPendingBlocks:   gcache.New(pendingBlockExpTime /* exp time */, 0 /* disable janitor */),
-		seenPendingBlocks:     make(map[[32]byte]bool),
-		blkRootToPendingAtts:  make(map[[32]byte][]any),
-		dataColumnLogCh:       make(chan dataColumnLogEntry, 1000),
-		reconstructionRandGen: rand.NewGenerator(),
+		ctx:                     ctx,
+		cancel:                  cancel,
+		chainStarted:            abool.New(),
+		cfg:                     &config{clock: startup.NewClock(time.Unix(0, 0), [32]byte{})},
+		slotToPendingBlocks:     gcache.New(pendingBlockExpTime /* exp time */, 0 /* disable janitor */),
+		seenPendingBlocks:       make(map[[32]byte]bool),
+		blkRootToPendingAtts:    make(map[[32]byte][]any),
+		dataColumnLogCh:         make(chan dataColumnLogEntry, 1000),
+		reconstructionRandGen:   rand.NewGenerator(),
+		payloadAttestationCache: &cache.PayloadAttestationCache{},
 	}
 
 	for _, opt := range opts {
@@ -250,6 +260,12 @@ func newDataColumnsVerifierFromInitializer(ini *verification.Initializer) verifi
 	}
 }
 
+func newPayloadAttestationMessageFromInitializer(ini *verification.Initializer) verification.NewPayloadAttestationMsgVerifier {
+	return func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+		return ini.NewPayloadAttestationMsgVerifier(pa, reqs)
+	}
+}
+
 // Start the regular sync service.
 func (s *Service) Start() {
 	v, err := s.verifierWaiter.WaitForInitializer(s.ctx)
@@ -259,6 +275,8 @@ func (s *Service) Start() {
 	}
 	s.newBlobVerifier = newBlobVerifierFromInitializer(v)
 	s.newColumnsVerifier = newDataColumnsVerifierFromInitializer(v)
+	s.newPayloadAttestationVerifier = newPayloadAttestationMessageFromInitializer(v)
+	s.newExecutionPayloadEnvelopeVerifier = newPayloadVerifierFromInitializer(v)
 
 	go s.verifierRoutine()
 	go s.startDiscoveryAndSubscriptions()
@@ -346,6 +364,7 @@ func (s *Service) Status() error {
 // and prevent DoS.
 func (s *Service) initCaches() {
 	s.seenBlockCache = lruwrpr.New(seenBlockSize)
+	s.seenPayloadEnvelopeCache = lruwrpr.New(seenPayloadEnvelopeSize)
 	s.seenBlobCache = lruwrpr.New(seenBlockSize * params.BeaconConfig().DeprecatedMaxBlobsPerBlockElectra)
 	s.seenDataColumnCache = newSlotAwareCache(seenDataColumnSize)
 	s.seenAggregatedAttestationCache = lruwrpr.New(seenAggregatedAttSize)
@@ -546,3 +565,9 @@ type Checker interface {
 	Status() error
 	Resync() error
 }
+
+func newPayloadVerifierFromInitializer(ini *verification.Initializer) verification.NewExecutionPayloadEnvelopeVerifier {
+	return func(e interfaces.ROSignedExecutionPayloadEnvelope, reqs []verification.Requirement) verification.ExecutionPayloadEnvelopeVerifier {
+		return ini.NewPayloadEnvelopeVerifier(e, reqs)
+	}
+}

beacon-chain/sync/subscriber.go

@@ -330,6 +330,27 @@ func (s *Service) registerSubscribers(nse params.NetworkScheduleEntry) bool {
 			})
 		})
 	}
+
+	// New gossip topic in Gloas.
+	if params.BeaconConfig().GloasForkEpoch <= nse.Epoch {
+		s.spawn(func() {
+			s.subscribe(
+				p2p.PayloadAttestationMessageTopicFormat,
+				s.validatePayloadAttestation,
+				s.payloadAttestationSubscriber,
+				nse,
+			)
+		})
+
+		s.spawn(func() {
+			s.subscribe(
+				p2p.ExecutionPayloadEnvelopeTopicFormat,
+				s.validateExecutionPayloadEnvelope,
+				s.executionPayloadEnvelopeSubscriber,
+				nse,
+			)
+		})
+	}
 	return true
 }
 

beacon-chain/sync/subscriber_payload_attestation.go

@@ -0,0 +1,21 @@
+package sync
+
+import (
+	"context"
+
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"google.golang.org/protobuf/proto"
+)
+
+func (s *Service) payloadAttestationSubscriber(ctx context.Context, msg proto.Message) error {
+	a, ok := msg.(*eth.PayloadAttestationMessage)
+	if !ok {
+		return errWrongMessage
+	}
+
+	if err := s.payloadAttestationCache.Add(a.Data.Slot, a.ValidatorIndex); err != nil {
+		return err
+	}
+
+	return s.cfg.chain.ReceivePayloadAttestationMessage(ctx, a)
+}

beacon-chain/sync/validate_beacon_blocks.go

@@ -291,7 +291,7 @@ func (s *Service) validatePhase0Block(ctx context.Context, blk interfaces.ReadOn
 		return nil, blockchain.ErrNotDescendantOfFinalized
 	}
 
-	verifyingState, err := s.blockVerifyingState(ctx, blk)
+	verifyingState, err := s.blockVerifyingState(ctx, blk.Block().ParentRoot(), blk.Block().Slot())
 	if err != nil {
 		return nil, err
 	}
@@ -315,18 +315,16 @@ func (s *Service) validatePhase0Block(ctx context.Context, blk interfaces.ReadOn
 // blockVerifyingState returns the appropriate state to verify the signature and proposer index of the given block.
 // The returned state is guaranteed to be at the same epoch as the block's epoch, and have the same randao mix and active validator indices as the
 // block's parent state advanced to the block's slot.
-func (s *Service) blockVerifyingState(ctx context.Context, blk interfaces.ReadOnlySignedBeaconBlock) (state.ReadOnlyBeaconState, error) {
+func (s *Service) blockVerifyingState(ctx context.Context, root [32]byte, blockSlot primitives.Slot) (state.ReadOnlyBeaconState, error) {
 	headRoot, err := s.cfg.chain.HeadRoot(ctx)
 	if err != nil {
 		return nil, err
 	}
-	parentRoot := blk.Block().ParentRoot()
-	blockSlot := blk.Block().Slot()
 	blockEpoch := slots.ToEpoch(blockSlot)
 	headSlot := s.cfg.chain.HeadSlot()
 	headEpoch := slots.ToEpoch(headSlot)
-	// Use head if it's the parent
-	if bytes.Equal(parentRoot[:], headRoot) {
+	// Use head if it's the root
+	if bytes.Equal(root[:], headRoot) {
 		// If they are in the same epoch, then we can return the head state directly
 		if blockEpoch == headEpoch {
 			return s.cfg.chain.HeadStateReadOnly(ctx)
@@ -338,22 +336,22 @@ func (s *Service) blockVerifyingState(ctx context.Context, blk interfaces.ReadOn
 		}
 		return transition.ProcessSlotsUsingNextSlotCache(ctx, headState, headRoot, blockSlot)
 	}
-	// If head and block are in the same epoch and head is compatible with the parent's dependent root, then use head
-	if blockEpoch == headEpoch {
+	// If head and block are in the same epoch and head is compatible with the root's dependent root, then use head
+	if blockEpoch == headEpoch && s.cfg.chain.InForkchoice(root) {
 		headDependent, err := s.cfg.chain.DependentRootForEpoch([32]byte(headRoot), blockEpoch)
 		if err != nil {
 			return nil, err
 		}
-		parentDependent, err := s.cfg.chain.DependentRootForEpoch([32]byte(parentRoot), blockEpoch)
+		rootDependent, err := s.cfg.chain.DependentRootForEpoch([32]byte(root), blockEpoch)
 		if err != nil {
 			return nil, err
 		}
-		if bytes.Equal(headDependent[:], parentDependent[:]) {
+		if bytes.Equal(headDependent[:], rootDependent[:]) {
 			return s.cfg.chain.HeadStateReadOnly(ctx)
 		}
 	}
-	// Otherwise retrieve the the parent state and advance it to the block's slot
-	parentState, err := s.cfg.stateGen.StateByRoot(ctx, parentRoot)
+	// Otherwise retrieve the the root state and advance it to the block's slot
+	parentState, err := s.cfg.stateGen.StateByRoot(ctx, root)
 	if err != nil {
 		return nil, err
 	}
@@ -361,7 +359,7 @@ func (s *Service) blockVerifyingState(ctx context.Context, blk interfaces.ReadOn
 	if blockEpoch == parentEpoch {
 		return parentState, nil
 	}
-	return transition.ProcessSlotsUsingNextSlotCache(ctx, parentState, parentRoot[:], blockSlot)
+	return transition.ProcessSlotsUsingNextSlotCache(ctx, parentState, root[:], blockSlot)
 }
 
 func validateDenebBeaconBlock(blk interfaces.ReadOnlyBeaconBlock) error {

beacon-chain/sync/validate_beacon_blocks_test.go

@@ -2172,7 +2172,7 @@ func TestBlockVerifyingState_SameEpochAsParent(t *testing.T) {
 	}
 
 	// Call blockVerifyingState - should return parent state without processing
-	result, err := r.blockVerifyingState(ctx, signedBlock)
+	result, err := r.blockVerifyingState(ctx, signedBlock.Block().ParentRoot(), signedBlock.Block().Slot())
 	require.NoError(t, err)
 	require.NotNil(t, result)
 

beacon-chain/sync/validate_execution_payload_envelope.go

@@ -0,0 +1,158 @@
+package sync
+
+import (
+	"context"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v7/monitoring/tracing"
+	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
+	"github.com/libp2p/go-libp2p/core/peer"
+	"github.com/pkg/errors"
+	"google.golang.org/protobuf/proto"
+)
+
+func (s *Service) validateExecutionPayloadEnvelope(ctx context.Context, pid peer.ID, msg *pubsub.Message) (pubsub.ValidationResult, error) {
+	if pid == s.cfg.p2p.PeerID() {
+		return pubsub.ValidationAccept, nil
+	}
+	if s.cfg.initialSync.Syncing() {
+		return pubsub.ValidationIgnore, nil
+	}
+
+	ctx, span := trace.StartSpan(ctx, "sync.validateExecutionPayloadEnvelope")
+	defer span.End()
+
+	if msg.Topic == nil {
+		return pubsub.ValidationReject, p2p.ErrInvalidTopic
+	}
+
+	m, err := s.decodePubsubMessage(msg)
+	if err != nil {
+		tracing.AnnotateError(span, err)
+		return pubsub.ValidationReject, err
+	}
+
+	signedEnvelope, ok := m.(*ethpb.SignedExecutionPayloadEnvelope)
+	if !ok {
+		return pubsub.ValidationReject, errWrongMessage
+	}
+	e, err := blocks.WrappedROSignedExecutionPayloadEnvelope(signedEnvelope)
+	if err != nil {
+		log.WithError(err).Error("failed to create read only signed payload execution envelope")
+		return pubsub.ValidationIgnore, err
+	}
+	v := s.newExecutionPayloadEnvelopeVerifier(e, verification.GossipExecutionPayloadEnvelopeRequirements)
+
+	env, err := e.Envelope()
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+
+	// [IGNORE] The envelope's block root envelope.block_root has been seen (via gossip or non-gossip sources)
+	// (a client MAY queue payload for processing once the block is retrieved).
+	if err := v.VerifyBlockRootSeen(func(root [32]byte) bool { return s.cfg.chain.HasBlock(ctx, root) }); err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	root := env.BeaconBlockRoot()
+	// [IGNORE] The node has not seen another valid SignedExecutionPayloadEnvelope for this block root from this builder.
+	if s.hasSeenPayloadEnvelope(root, env.BuilderIndex()) {
+		return pubsub.ValidationIgnore, nil
+	}
+	finalized := s.cfg.chain.FinalizedCheckpt()
+	if finalized == nil {
+		return pubsub.ValidationIgnore, errors.New("nil finalized checkpoint")
+	}
+	// [IGNORE] The envelope is from a slot greater than or equal to the latest finalized slot --
+	// i.e. validate that envelope.slot >= compute_start_slot_at_epoch(store.finalized_checkpoint.epoch).
+	if err := v.VerifySlotAboveFinalized(finalized.Epoch); err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	// [REJECT] block passes validation.
+	if err := v.VerifyBlockRootValid(s.hasBadBlock); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	// Let block be the block with envelope.beacon_block_root.
+	block, err := s.cfg.beaconDB.Block(ctx, root)
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	// [REJECT] block.slot equals envelope.slot.
+	if err := v.VerifySlotMatchesBlock(block.Block().Slot()); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	// Let bid alias block.body.signed_execution_payload_bid.message
+	// (notice that this can be obtained from the state.latest_execution_payload_bid).
+	signedBid, err := block.Block().Body().SignedExecutionPayloadBid()
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	wrappedBid, err := blocks.WrappedROSignedExecutionPayloadBid(signedBid)
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	bid, err := wrappedBid.Bid()
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	// [REJECT] envelope.builder_index == bid.builder_index.
+	if err := v.VerifyBuilderValid(bid); err != nil {
+		return pubsub.ValidationReject, err
+	}
+	// [REJECT] payload.block_hash == bid.block_hash.
+	if err := v.VerifyPayloadHash(bid); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	st, err := s.blockVerifyingState(ctx, root, block.Block().Slot())
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+
+	// [REJECT] signed_execution_payload_envelope.signature is valid with respect to the builder's public key.
+	if err := v.VerifySignature(st); err != nil {
+		return pubsub.ValidationReject, err
+	}
+	s.setSeenPayloadEnvelope(root, env.BuilderIndex())
+	return pubsub.ValidationAccept, nil
+}
+
+func (s *Service) executionPayloadEnvelopeSubscriber(ctx context.Context, msg proto.Message) error {
+	e, ok := msg.(*ethpb.SignedExecutionPayloadEnvelope)
+	if !ok {
+		return errWrongMessage
+	}
+	env, err := blocks.WrappedROSignedExecutionPayloadEnvelope(e)
+	if err != nil {
+		return err
+	}
+	return s.cfg.chain.ReceiveExecutionPayloadEnvelope(ctx, env)
+}
+
+func (s *Service) hasSeenPayloadEnvelope(root [32]byte, builderIdx primitives.BuilderIndex) bool {
+	if s.seenPayloadEnvelopeCache == nil {
+		return false
+	}
+	s.seenPayloadEnvelopeLock.RLock()
+	defer s.seenPayloadEnvelopeLock.RUnlock()
+	b := append(bytesutil.Bytes32(uint64(builderIdx)), root[:]...)
+	_, seen := s.seenPayloadEnvelopeCache.Get(string(b))
+	return seen
+}
+
+func (s *Service) setSeenPayloadEnvelope(root [32]byte, builderIdx primitives.BuilderIndex) {
+	if s.seenPayloadEnvelopeCache == nil {
+		return
+	}
+	s.seenPayloadEnvelopeLock.Lock()
+	defer s.seenPayloadEnvelopeLock.Unlock()
+	b := append(bytesutil.Bytes32(uint64(builderIdx)), root[:]...)
+	s.seenPayloadEnvelopeCache.Add(string(b), true)
+}

beacon-chain/sync/validate_execution_payload_envelope_test.go

@@ -0,0 +1,263 @@
+package sync
+
+import (
+	"bytes"
+	"context"
+	"reflect"
+	"testing"
+	"time"
+
+	mock "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/testing"
+	dbtest "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
+	p2ptest "github.com/OffchainLabs/prysm/v7/beacon-chain/p2p/testing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/stategen"
+	mockSync "github.com/OffchainLabs/prysm/v7/beacon-chain/sync/initial-sync/testing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	lruwrpr "github.com/OffchainLabs/prysm/v7/cache/lru"
+	"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/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/require"
+	"github.com/OffchainLabs/prysm/v7/testing/util"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
+	pb "github.com/libp2p/go-libp2p-pubsub/pb"
+	"github.com/pkg/errors"
+)
+
+func TestValidateExecutionPayloadEnvelope_InvalidTopic(t *testing.T) {
+	ctx := context.Background()
+	p := p2ptest.NewTestP2P(t)
+	s := &Service{cfg: &config{p2p: p, initialSync: &mockSync.Sync{}}}
+
+	result, err := s.validateExecutionPayloadEnvelope(ctx, "", &pubsub.Message{
+		Message: &pb.Message{},
+	})
+	require.ErrorIs(t, p2p.ErrInvalidTopic, err)
+	require.Equal(t, result, pubsub.ValidationReject)
+}
+
+func TestValidateExecutionPayloadEnvelope_AlreadySeen(t *testing.T) {
+	ctx := context.Background()
+	s, msg, builderIdx, root := setupExecutionPayloadEnvelopeService(t, 1, 1)
+	s.newExecutionPayloadEnvelopeVerifier = testNewExecutionPayloadEnvelopeVerifier(mockExecutionPayloadEnvelopeVerifier{})
+
+	s.setSeenPayloadEnvelope(root, builderIdx)
+	result, err := s.validateExecutionPayloadEnvelope(ctx, "", msg)
+	require.NoError(t, err)
+	require.Equal(t, result, pubsub.ValidationIgnore)
+}
+
+func TestValidateExecutionPayloadEnvelope_ErrorPathsWithMock(t *testing.T) {
+	ctx := context.Background()
+	tests := []struct {
+		name     string
+		verifier mockExecutionPayloadEnvelopeVerifier
+		result   pubsub.ValidationResult
+	}{
+		{
+			name:     "block root not seen",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errBlockRootSeen: errors.New("not seen")},
+			result:   pubsub.ValidationIgnore,
+		},
+		{
+			name:     "slot below finalized",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errSlotAboveFinalized: errors.New("below finalized")},
+			result:   pubsub.ValidationIgnore,
+		},
+		{
+			name:     "block root invalid",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errBlockRootValid: errors.New("invalid block")},
+			result:   pubsub.ValidationReject,
+		},
+		{
+			name:     "slot mismatch",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errSlotMatchesBlock: errors.New("slot mismatch")},
+			result:   pubsub.ValidationReject,
+		},
+		{
+			name:     "builder mismatch",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errBuilderValid: errors.New("builder mismatch")},
+			result:   pubsub.ValidationReject,
+		},
+		{
+			name:     "payload hash mismatch",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errPayloadHash: errors.New("payload hash mismatch")},
+			result:   pubsub.ValidationReject,
+		},
+		{
+			name:     "signature invalid",
+			verifier: mockExecutionPayloadEnvelopeVerifier{errSignature: errors.New("signature invalid")},
+			result:   pubsub.ValidationReject,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			s, msg, _, _ := setupExecutionPayloadEnvelopeService(t, 1, 1)
+			s.newExecutionPayloadEnvelopeVerifier = testNewExecutionPayloadEnvelopeVerifier(tc.verifier)
+
+			result, err := s.validateExecutionPayloadEnvelope(ctx, "", msg)
+			require.NotNil(t, err)
+			require.Equal(t, result, tc.result)
+		})
+	}
+}
+
+type mockExecutionPayloadEnvelopeVerifier struct {
+	errBlockRootSeen      error
+	errBlockRootValid     error
+	errSlotAboveFinalized error
+	errSlotMatchesBlock   error
+	errBuilderValid       error
+	errPayloadHash        error
+	errSignature          error
+}
+
+var _ verification.ExecutionPayloadEnvelopeVerifier = &mockExecutionPayloadEnvelopeVerifier{}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifyBlockRootSeen(_ func([32]byte) bool) error {
+	return m.errBlockRootSeen
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifyBlockRootValid(_ func([32]byte) bool) error {
+	return m.errBlockRootValid
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifySlotAboveFinalized(_ primitives.Epoch) error {
+	return m.errSlotAboveFinalized
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifySlotMatchesBlock(_ primitives.Slot) error {
+	return m.errSlotMatchesBlock
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifyBuilderValid(_ interfaces.ROExecutionPayloadBid) error {
+	return m.errBuilderValid
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifyPayloadHash(_ interfaces.ROExecutionPayloadBid) error {
+	return m.errPayloadHash
+}
+
+func (m *mockExecutionPayloadEnvelopeVerifier) VerifySignature(_ state.BeaconState) error {
+	return m.errSignature
+}
+
+func (*mockExecutionPayloadEnvelopeVerifier) SatisfyRequirement(_ verification.Requirement) {}
+
+func testNewExecutionPayloadEnvelopeVerifier(m mockExecutionPayloadEnvelopeVerifier) verification.NewExecutionPayloadEnvelopeVerifier {
+	return func(_ interfaces.ROSignedExecutionPayloadEnvelope, _ []verification.Requirement) verification.ExecutionPayloadEnvelopeVerifier {
+		clone := m
+		return &clone
+	}
+}
+
+func setupExecutionPayloadEnvelopeService(t *testing.T, envelopeSlot, blockSlot primitives.Slot) (*Service, *pubsub.Message, primitives.BuilderIndex, [32]byte) {
+	t.Helper()
+
+	ctx := context.Background()
+	db := dbtest.SetupDB(t)
+	p := p2ptest.NewTestP2P(t)
+	chainService := &mock.ChainService{
+		Genesis:             time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
+		FinalizedCheckPoint: &ethpb.Checkpoint{},
+		DB:                  db,
+	}
+	stateGen := stategen.New(db, doublylinkedtree.New())
+	s := &Service{
+		seenPayloadEnvelopeCache: lruwrpr.New(10),
+		cfg: &config{
+			p2p:         p,
+			initialSync: &mockSync.Sync{},
+			chain:       chainService,
+			beaconDB:    db,
+			stateGen:    stateGen,
+			clock:       startup.NewClock(chainService.Genesis, chainService.ValidatorsRoot),
+		},
+	}
+
+	bid := util.GenerateTestSignedExecutionPayloadBid(blockSlot)
+	sb := util.NewBeaconBlockGloas()
+	sb.Block.Slot = blockSlot
+	sb.Block.Body.SignedExecutionPayloadBid = bid
+	signedBlock, err := blocks.NewSignedBeaconBlock(sb)
+	require.NoError(t, err)
+	root, err := signedBlock.Block().HashTreeRoot()
+	require.NoError(t, err)
+	require.NoError(t, db.SaveBlock(ctx, signedBlock))
+
+	state, err := util.NewBeaconStateFulu()
+	require.NoError(t, err)
+	require.NoError(t, db.SaveState(ctx, state, root))
+
+	blockHash := bytesutil.ToBytes32(bid.Message.BlockHash)
+	env := testSignedExecutionPayloadEnvelope(t, envelopeSlot, primitives.BuilderIndex(bid.Message.BuilderIndex), root, blockHash)
+	msg := envelopeToPubsub(t, s, p, env)
+
+	return s, msg, primitives.BuilderIndex(bid.Message.BuilderIndex), root
+}
+
+func envelopeToPubsub(t *testing.T, s *Service, p p2p.P2P, env *ethpb.SignedExecutionPayloadEnvelope) *pubsub.Message {
+	t.Helper()
+
+	buf := new(bytes.Buffer)
+	_, err := p.Encoding().EncodeGossip(buf, env)
+	require.NoError(t, err)
+
+	topic := p2p.GossipTypeMapping[reflect.TypeFor[*ethpb.SignedExecutionPayloadEnvelope]()]
+	digest, err := s.currentForkDigest()
+	require.NoError(t, err)
+	topic = s.addDigestToTopic(topic, digest)
+
+	return &pubsub.Message{
+		Message: &pb.Message{
+			Data:  buf.Bytes(),
+			Topic: &topic,
+		},
+	}
+}
+
+func testSignedExecutionPayloadEnvelope(t *testing.T, slot primitives.Slot, builderIdx primitives.BuilderIndex, root, blockHash [32]byte) *ethpb.SignedExecutionPayloadEnvelope {
+	t.Helper()
+
+	payload := &enginev1.ExecutionPayloadDeneb{
+		ParentHash:    bytes.Repeat([]byte{0x01}, 32),
+		FeeRecipient:  bytes.Repeat([]byte{0x02}, 20),
+		StateRoot:     bytes.Repeat([]byte{0x03}, 32),
+		ReceiptsRoot:  bytes.Repeat([]byte{0x04}, 32),
+		LogsBloom:     bytes.Repeat([]byte{0x05}, 256),
+		PrevRandao:    bytes.Repeat([]byte{0x06}, 32),
+		BlockNumber:   1,
+		GasLimit:      2,
+		GasUsed:       3,
+		Timestamp:     4,
+		BaseFeePerGas: bytes.Repeat([]byte{0x07}, 32),
+		BlockHash:     blockHash[:],
+		Transactions:  [][]byte{},
+		Withdrawals:   []*enginev1.Withdrawal{},
+		BlobGasUsed:   0,
+		ExcessBlobGas: 0,
+	}
+
+	return &ethpb.SignedExecutionPayloadEnvelope{
+		Message: &ethpb.ExecutionPayloadEnvelope{
+			Payload: payload,
+			ExecutionRequests: &enginev1.ExecutionRequests{
+				Deposits: []*enginev1.DepositRequest{},
+			},
+			BuilderIndex:    builderIdx,
+			BeaconBlockRoot: root[:],
+			Slot:            slot,
+			StateRoot:       bytes.Repeat([]byte{0xBB}, 32),
+		},
+		Signature: bytes.Repeat([]byte{0xAA}, 96),
+	}
+}

beacon-chain/sync/validate_payload_attestation.go

@@ -0,0 +1,131 @@
+package sync
+
+import (
+	"bytes"
+	"context"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
+	"github.com/libp2p/go-libp2p/core/peer"
+	"github.com/pkg/errors"
+)
+
+var (
+	errAlreadySeenPayloadAttestation = errors.New("payload attestation already seen for validator index")
+)
+
+func (s *Service) validatePayloadAttestation(ctx context.Context, pid peer.ID, msg *pubsub.Message) (pubsub.ValidationResult, error) {
+	if pid == s.cfg.p2p.PeerID() {
+		return pubsub.ValidationAccept, nil
+	}
+	if s.cfg.initialSync.Syncing() {
+		return pubsub.ValidationIgnore, nil
+	}
+	ctx, span := trace.StartSpan(ctx, "sync.validatePayloadAttestation")
+	defer span.End()
+
+	if msg.Topic == nil {
+		return pubsub.ValidationReject, p2p.ErrInvalidTopic
+	}
+	m, err := s.decodePubsubMessage(msg)
+	if err != nil {
+		return pubsub.ValidationReject, err
+	}
+	att, ok := m.(*eth.PayloadAttestationMessage)
+	if !ok {
+		return pubsub.ValidationReject, errWrongMessage
+	}
+	pa, err := payloadattestation.NewReadOnly(att)
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+	v := s.newPayloadAttestationVerifier(pa, verification.GossipPayloadAttestationMessageRequirements)
+
+	// [IGNORE] The message's slot is for the current slot (with a MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance),
+	// i.e. data.slot == current_slot.
+	if err := v.VerifyCurrentSlot(); err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+
+	// [IGNORE] The payload_attestation_message is the first valid message received from the validator with
+	// index payload_attestation_message.validator_index.
+	if s.payloadAttestationCache.Seen(pa.Slot(), pa.ValidatorIndex()) {
+		return pubsub.ValidationIgnore, errAlreadySeenPayloadAttestation
+	}
+
+	// [IGNORE] The message's block data.beacon_block_root has been seen (via gossip or non-gossip sources)
+	// (a client MAY queue attestation for processing once the block is retrieved. Note a client might want to request payload after).
+	if err := v.VerifyBlockRootSeen(s.cfg.chain.InForkchoice); err != nil {
+		// TODO: queue attestation
+		return pubsub.ValidationIgnore, err
+	}
+
+	// [REJECT] The message's block data.beacon_block_root passes validation.
+	if err := v.VerifyBlockRootValid(s.hasBadBlock); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	st, err := s.getPtcState(ctx, pa)
+	if err != nil {
+		return pubsub.ValidationIgnore, err
+	}
+
+	// [REJECT] The message's validator index is within the payload committee in get_ptc(state, data.slot).
+	// The state is the head state corresponding to processing the block up to the current slot.
+	if err := v.VerifyValidatorInPTC(ctx, st); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	// [REJECT] payload_attestation_message.signature is valid with respect to the validator's public key.
+	if err := v.VerifySignature(st); err != nil {
+		return pubsub.ValidationReject, err
+	}
+
+	msg.ValidatorData = att
+
+	return pubsub.ValidationAccept, nil
+}
+
+func (s *Service) getPtcState(ctx context.Context, pa payloadattestation.ROMessage) (state.ReadOnlyBeaconState, error) {
+	blockRoot := pa.BeaconBlockRoot()
+	blockSlot := pa.Slot()
+	blockEpoch := slots.ToEpoch(blockSlot)
+	headSlot := s.cfg.chain.HeadSlot()
+	headEpoch := slots.ToEpoch(headSlot)
+	headRoot, err := s.cfg.chain.HeadRoot(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if blockEpoch == headEpoch {
+		if bytes.Equal(blockRoot[:], headRoot) {
+			return s.cfg.chain.HeadStateReadOnly(ctx)
+		}
+
+		headDependent, err := s.cfg.chain.DependentRootForEpoch(bytesutil.ToBytes32(headRoot), blockEpoch)
+		if err != nil {
+			return nil, err
+		}
+		blockDependent, err := s.cfg.chain.DependentRootForEpoch(blockRoot, blockEpoch)
+		if err != nil {
+			return nil, err
+		}
+		if bytes.Equal(headDependent[:], blockDependent[:]) {
+			return s.cfg.chain.HeadStateReadOnly(ctx)
+		}
+	}
+
+	headState, err := s.cfg.chain.HeadState(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return transition.ProcessSlotsUsingNextSlotCache(ctx, headState, headRoot, blockSlot)
+}

beacon-chain/sync/validate_payload_attestation_test.go

@@ -0,0 +1,165 @@
+package sync
+
+import (
+	"bytes"
+	"context"
+	"reflect"
+	"testing"
+	"time"
+
+	mock "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/testing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
+	p2ptest "github.com/OffchainLabs/prysm/v7/beacon-chain/p2p/testing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
+	mockSync "github.com/OffchainLabs/prysm/v7/beacon-chain/sync/initial-sync/testing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
+	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/OffchainLabs/prysm/v7/testing/util"
+	pubsub "github.com/libp2p/go-libp2p-pubsub"
+	pb "github.com/libp2p/go-libp2p-pubsub/pb"
+	"github.com/pkg/errors"
+)
+
+func TestValidatePayloadAttestationMessage_IncorrectTopic(t *testing.T) {
+	ctx := context.Background()
+	p := p2ptest.NewTestP2P(t)
+	chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0)}
+	s := &Service{
+		payloadAttestationCache: &cache.PayloadAttestationCache{},
+		cfg:                     &config{chain: chainService, p2p: p, initialSync: &mockSync.Sync{}, clock: startup.NewClock(chainService.Genesis, chainService.ValidatorsRoot)}}
+
+	msg := util.HydratePayloadAttestation(&ethpb.PayloadAttestation{}) // Using payload attestation for message should fail.
+	buf := new(bytes.Buffer)
+	_, err := p.Encoding().EncodeGossip(buf, msg)
+	require.NoError(t, err)
+
+	topic := p2p.GossipTypeMapping[reflect.TypeFor[*ethpb.PayloadAttestation]()]
+	digest, err := s.currentForkDigest()
+	require.NoError(t, err)
+	topic = s.addDigestToTopic(topic, digest)
+
+	result, err := s.validatePayloadAttestation(ctx, "", &pubsub.Message{
+		Message: &pb.Message{
+			Data:  buf.Bytes(),
+			Topic: &topic,
+		}})
+	require.ErrorContains(t, "extraction failed for topic", err)
+	require.Equal(t, result, pubsub.ValidationReject)
+}
+
+func TestValidatePayloadAttestationMessage_ErrorPathsWithMock(t *testing.T) {
+	tests := []struct {
+		error    error
+		verifier verification.NewPayloadAttestationMsgVerifier
+		result   pubsub.ValidationResult
+	}{
+		{
+			error: errors.New("incorrect slot"),
+			verifier: func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+				return &verification.MockPayloadAttestation{ErrIncorrectPayloadAttSlot: errors.New("incorrect slot")}
+			},
+			result: pubsub.ValidationIgnore,
+		},
+		{
+			error: errors.New("block root seen"),
+			verifier: func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+				return &verification.MockPayloadAttestation{ErrPayloadAttBlockRootNotSeen: errors.New("block root seen")}
+			},
+			result: pubsub.ValidationIgnore,
+		},
+		{
+			error: errors.New("block root invalid"),
+			verifier: func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+				return &verification.MockPayloadAttestation{ErrPayloadAttBlockRootInvalid: errors.New("block root invalid")}
+			},
+			result: pubsub.ValidationReject,
+		},
+		{
+			error: errors.New("validator not in PTC"),
+			verifier: func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+				return &verification.MockPayloadAttestation{ErrIncorrectPayloadAttValidator: errors.New("validator not in PTC")}
+			},
+			result: pubsub.ValidationReject,
+		},
+		{
+			error: errors.New("incorrect signature"),
+			verifier: func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+				return &verification.MockPayloadAttestation{ErrInvalidMessageSignature: errors.New("incorrect signature")}
+			},
+			result: pubsub.ValidationReject,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.error.Error(), func(t *testing.T) {
+			ctx := context.Background()
+			p := p2ptest.NewTestP2P(t)
+			chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0)}
+			s := &Service{
+				payloadAttestationCache: &cache.PayloadAttestationCache{},
+				cfg:                     &config{chain: chainService, p2p: p, initialSync: &mockSync.Sync{}, clock: startup.NewClock(chainService.Genesis, chainService.ValidatorsRoot)}}
+			s.newPayloadAttestationVerifier = tt.verifier
+
+			msg := newPayloadAttestationMessage()
+			buf := new(bytes.Buffer)
+			_, err := p.Encoding().EncodeGossip(buf, msg)
+			require.NoError(t, err)
+
+			topic := p2p.GossipTypeMapping[reflect.TypeFor[*ethpb.PayloadAttestationMessage]()]
+			digest, err := s.currentForkDigest()
+			require.NoError(t, err)
+			topic = s.addDigestToTopic(topic, digest)
+
+			result, err := s.validatePayloadAttestation(ctx, "", &pubsub.Message{
+				Message: &pb.Message{
+					Data:  buf.Bytes(),
+					Topic: &topic,
+				}})
+
+			require.ErrorContains(t, tt.error.Error(), err)
+			require.Equal(t, result, tt.result)
+		})
+	}
+}
+
+func TestValidatePayloadAttestationMessage_Accept(t *testing.T) {
+	ctx := context.Background()
+	p := p2ptest.NewTestP2P(t)
+	chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0)}
+	s := &Service{
+		payloadAttestationCache: &cache.PayloadAttestationCache{},
+		cfg:                     &config{chain: chainService, p2p: p, initialSync: &mockSync.Sync{}, clock: startup.NewClock(chainService.Genesis, chainService.ValidatorsRoot)}}
+	s.newPayloadAttestationVerifier = func(pa payloadattestation.ROMessage, reqs []verification.Requirement) verification.PayloadAttestationMsgVerifier {
+		return &verification.MockPayloadAttestation{}
+	}
+
+	msg := newPayloadAttestationMessage()
+	buf := new(bytes.Buffer)
+	_, err := p.Encoding().EncodeGossip(buf, msg)
+	require.NoError(t, err)
+
+	topic := p2p.GossipTypeMapping[reflect.TypeFor[*ethpb.PayloadAttestationMessage]()]
+	digest, err := s.currentForkDigest()
+	require.NoError(t, err)
+	topic = s.addDigestToTopic(topic, digest)
+
+	result, err := s.validatePayloadAttestation(ctx, "", &pubsub.Message{
+		Message: &pb.Message{
+			Data:  buf.Bytes(),
+			Topic: &topic,
+		}})
+	require.NoError(t, err)
+	require.Equal(t, result, pubsub.ValidationAccept)
+}
+
+func newPayloadAttestationMessage() *ethpb.PayloadAttestationMessage {
+	return &ethpb.PayloadAttestationMessage{
+		ValidatorIndex: 0,
+		Data:           util.HydratePayloadAttestationData(&ethpb.PayloadAttestationData{Slot: 1}),
+		Signature:      make([]byte, fieldparams.BLSSignatureLength),
+	}
+}

beacon-chain/verification/BUILD.bazel

@@ -8,6 +8,7 @@ go_library(
         "cache.go",
         "data_column.go",
         "error.go",
+        "execution_payload_envelope.go",
         "fake.go",
         "filesystem.go",
         "initializer.go",
@@ -15,12 +16,16 @@ go_library(
         "log.go",
         "metrics.go",
         "mock.go",
+        "payload_attestation.go",
+        "payload_attestation_mock.go",
+        "requirements.go",
         "result.go",
     ],
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/verification",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/blockchain/kzg:go_default_library",
+        "//beacon-chain/core/gloas:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/peerdas:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
@@ -32,6 +37,8 @@ go_library(
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/payload-attestation:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
         "//encoding/bytesutil:go_default_library",
@@ -55,14 +62,17 @@ go_test(
         "blob_test.go",
         "cache_test.go",
         "data_column_test.go",
+        "execution_payload_envelope_test.go",
         "filesystem_test.go",
         "initializer_test.go",
+        "payload_attestation_test.go",
         "result_test.go",
         "verification_test.go",
     ],
     embed = [":go_default_library"],
     deps = [
         "//beacon-chain/blockchain/kzg:go_default_library",
+        "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/peerdas:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/db:go_default_library",
@@ -73,9 +83,13 @@ go_test(
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/payload-attestation:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
+        "//crypto/bls/common:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//runtime/interop:go_default_library",
         "//testing/require:go_default_library",

beacon-chain/verification/blob.go

@@ -14,24 +14,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-const (
-	RequireBlobIndexInBounds Requirement = iota
-	RequireNotFromFutureSlot
-	RequireSlotAboveFinalized
-	RequireValidProposerSignature
-	RequireSidecarParentSeen
-	RequireSidecarParentValid
-	RequireSidecarParentSlotLower
-	RequireSidecarDescendsFromFinalized
-	RequireSidecarInclusionProven
-	RequireSidecarKzgProofVerified
-	RequireSidecarProposerExpected
-
-	// Data columns specific.
-	RequireValidFields
-	RequireCorrectSubnet
-)
-
 var allBlobSidecarRequirements = []Requirement{
 	RequireBlobIndexInBounds,
 	RequireNotFromFutureSlot,

beacon-chain/verification/execution_payload_envelope.go

@@ -0,0 +1,229 @@
+package verification
+
+import (
+	"fmt"
+
+	"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/interfaces"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/pkg/errors"
+)
+
+// ExecutionPayloadEnvelopeVerifier defines the methods implemented by the ROSignedExecutionPayloadEnvelope.
+type ExecutionPayloadEnvelopeVerifier interface {
+	VerifyBlockRootSeen(func([32]byte) bool) error
+	VerifyBlockRootValid(func([32]byte) bool) error
+	VerifySlotAboveFinalized(primitives.Epoch) error
+	VerifySlotMatchesBlock(primitives.Slot) error
+	VerifyBuilderValid(interfaces.ROExecutionPayloadBid) error
+	VerifyPayloadHash(interfaces.ROExecutionPayloadBid) error
+	VerifySignature(state.ReadOnlyBeaconState) error
+	SatisfyRequirement(Requirement)
+}
+
+// NewExecutionPayloadEnvelopeVerifier is a function signature that can be used by code that needs to be
+// able to mock Initializer.NewExecutionPayloadEnvelopeVerifier without complex setup.
+type NewExecutionPayloadEnvelopeVerifier func(e interfaces.ROSignedExecutionPayloadEnvelope, reqs []Requirement) ExecutionPayloadEnvelopeVerifier
+
+// ExecutionPayloadEnvelopeGossipRequirements defines the list of requirements for gossip
+// execution payload envelopes.
+var ExecutionPayloadEnvelopeGossipRequirements = []Requirement{
+	RequireBlockRootSeen,
+	RequireBlockRootValid,
+	RequireEnvelopeSlotAboveFinalized,
+	RequireEnvelopeSlotMatchesBlock,
+	RequireBuilderValid,
+	RequirePayloadHashValid,
+	RequireBuilderSignatureValid,
+}
+
+// GossipExecutionPayloadEnvelopeRequirements is a requirement list for gossip execution payload envelopes.
+var GossipExecutionPayloadEnvelopeRequirements = requirementList(ExecutionPayloadEnvelopeGossipRequirements)
+
+var (
+	ErrEnvelopeBlockRootNotSeen    = errors.New("block root not seen")
+	ErrEnvelopeBlockRootInvalid    = errors.New("block root invalid")
+	ErrEnvelopeSlotBeforeFinalized = errors.New("envelope slot is before finalized checkpoint")
+	ErrEnvelopeSlotMismatch        = errors.New("envelope slot does not match block slot")
+	ErrIncorrectEnvelopeBuilder    = errors.New("builder index does not match committed header")
+	ErrIncorrectEnvelopeBlockHash  = errors.New("block hash does not match committed header")
+)
+
+var _ ExecutionPayloadEnvelopeVerifier = &EnvelopeVerifier{}
+
+// EnvelopeVerifier is a read-only verifier for execution payload envelopes.
+type EnvelopeVerifier struct {
+	results *results
+	e       interfaces.ROSignedExecutionPayloadEnvelope
+}
+
+// VerifyBlockRootSeen verifies if the block root has been seen before.
+func (v *EnvelopeVerifier) VerifyBlockRootSeen(parentSeen func([32]byte) bool) (err error) {
+	defer v.record(RequireBlockRootSeen, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	if parentSeen != nil && parentSeen(env.BeaconBlockRoot()) {
+		return nil
+	}
+	return fmt.Errorf("%w: root=%#x slot=%d builder=%d", ErrEnvelopeBlockRootNotSeen, env.BeaconBlockRoot(), env.Slot(), env.BuilderIndex())
+}
+
+// VerifyBlockRootValid verifies if the block root is valid.
+func (v *EnvelopeVerifier) VerifyBlockRootValid(badBlock func([32]byte) bool) (err error) {
+	defer v.record(RequireBlockRootValid, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	if badBlock != nil && badBlock(env.BeaconBlockRoot()) {
+		return fmt.Errorf("%w: root=%#x slot=%d builder=%d", ErrEnvelopeBlockRootInvalid, env.BeaconBlockRoot(), env.Slot(), env.BuilderIndex())
+	}
+	return nil
+}
+
+// VerifySlotAboveFinalized ensures the envelope slot is not before the latest finalized epoch start.
+func (v *EnvelopeVerifier) VerifySlotAboveFinalized(finalizedEpoch primitives.Epoch) (err error) {
+	defer v.record(RequireEnvelopeSlotAboveFinalized, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	startSlot, err := slots.EpochStart(finalizedEpoch)
+	if err != nil {
+		return errors.Wrapf(ErrEnvelopeSlotBeforeFinalized, "error computing epoch start slot for finalized checkpoint (%d) %s", finalizedEpoch, err.Error())
+	}
+	if env.Slot() < startSlot {
+		return fmt.Errorf("%w: slot=%d start=%d", ErrEnvelopeSlotBeforeFinalized, env.Slot(), startSlot)
+	}
+	return nil
+}
+
+// VerifySlotMatchesBlock ensures the envelope slot matches the block slot.
+func (v *EnvelopeVerifier) VerifySlotMatchesBlock(blockSlot primitives.Slot) (err error) {
+	defer v.record(RequireEnvelopeSlotMatchesBlock, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	if env.Slot() != blockSlot {
+		return fmt.Errorf("%w: envelope=%d block=%d", ErrEnvelopeSlotMismatch, env.Slot(), blockSlot)
+	}
+	return nil
+}
+
+// VerifyBuilderValid checks that the builder index matches the one in the bid.
+func (v *EnvelopeVerifier) VerifyBuilderValid(bid interfaces.ROExecutionPayloadBid) (err error) {
+	defer v.record(RequireBuilderValid, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	if bid.BuilderIndex() != env.BuilderIndex() {
+		return fmt.Errorf("%w: envelope=%d bid=%d", ErrIncorrectEnvelopeBuilder, env.BuilderIndex(), bid.BuilderIndex())
+	}
+	return nil
+}
+
+// VerifyPayloadHash checks that the payload blockhash matches the one in the bid.
+func (v *EnvelopeVerifier) VerifyPayloadHash(bid interfaces.ROExecutionPayloadBid) (err error) {
+	defer v.record(RequirePayloadHashValid, &err)
+	env, err := v.e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	if env.IsBlinded() {
+		return nil
+	}
+	payload, err := env.Execution()
+	if err != nil {
+		return errors.Wrap(err, "failed to get payload execution")
+	}
+	if bid.BlockHash() != [32]byte(payload.BlockHash()) {
+		return fmt.Errorf("%w: payload=%#x bid=%#x", ErrIncorrectEnvelopeBlockHash, payload.BlockHash(), bid.BlockHash())
+	}
+	return nil
+}
+
+// VerifySignature verifies the signature of the execution payload envelope.
+func (v *EnvelopeVerifier) VerifySignature(st state.ReadOnlyBeaconState) (err error) {
+	defer v.record(RequireBuilderSignatureValid, &err)
+
+	err = validatePayloadEnvelopeSignature(st, v.e)
+	if err != nil {
+		env, envErr := v.e.Envelope()
+		if envErr != nil {
+			return errors.Wrap(err, "failed to get envelope for signature validation")
+		}
+		return errors.Wrapf(err, "signature validation failed: root=%#x slot=%d builder=%d", env.BeaconBlockRoot(), env.Slot(), env.BuilderIndex())
+	}
+	return nil
+}
+
+// SatisfyRequirement allows the caller to manually mark a requirement as satisfied.
+func (v *EnvelopeVerifier) SatisfyRequirement(req Requirement) {
+	v.record(req, nil)
+}
+
+// record records the result of a requirement verification.
+func (v *EnvelopeVerifier) record(req Requirement, err *error) {
+	if err == nil || *err == nil {
+		v.results.record(req, nil)
+		return
+	}
+
+	v.results.record(req, *err)
+}
+
+// validatePayloadEnvelopeSignature verifies the signature of a signed execution payload envelope
+func validatePayloadEnvelopeSignature(st state.ReadOnlyBeaconState, e interfaces.ROSignedExecutionPayloadEnvelope) error {
+	env, err := e.Envelope()
+	if err != nil {
+		return errors.Wrap(err, "failed to get envelope")
+	}
+	var pubkey []byte
+	if env.BuilderIndex() == params.BeaconConfig().BuilderIndexSelfBuild {
+		header := st.LatestBlockHeader()
+		if header == nil {
+			return errors.New("latest block header is nil")
+		}
+		val, err := st.ValidatorAtIndex(primitives.ValidatorIndex(header.ProposerIndex))
+		if err != nil {
+			return errors.Wrap(err, "failed to get proposer validator")
+		}
+		pubkey = val.PublicKey
+	} else {
+		builderPubkey, err := st.BuilderPubkey(env.BuilderIndex())
+		if err != nil {
+			return errors.Wrap(err, "failed to get builder pubkey")
+		}
+		pubkey = builderPubkey[:]
+	}
+	pub, err := bls.PublicKeyFromBytes(pubkey)
+	if err != nil {
+		return errors.Wrap(err, "invalid public key")
+	}
+	s := e.Signature()
+	sig, err := bls.SignatureFromBytes(s[:])
+	if err != nil {
+		return errors.Wrap(err, "invalid signature format")
+	}
+	currentEpoch := slots.ToEpoch(st.Slot())
+	domain, err := signing.Domain(st.Fork(), currentEpoch, params.BeaconConfig().DomainBeaconBuilder, st.GenesisValidatorsRoot())
+	if err != nil {
+		return errors.Wrap(err, "failed to compute signing domain")
+	}
+	root, err := e.SigningRoot(domain)
+	if err != nil {
+		return errors.Wrap(err, "failed to compute signing root")
+	}
+	if !sig.Verify(pub, root[:]) {
+		return signing.ErrSigFailedToVerify
+	}
+	return nil
+}

beacon-chain/verification/execution_payload_envelope_test.go

@@ -0,0 +1,255 @@
+package verification
+
+import (
+	"bytes"
+	"testing"
+
+	"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/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/require"
+	"github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+)
+
+func TestEnvelopeVerifier_VerifySlotAboveFinalized(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 1, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireEnvelopeSlotAboveFinalized), e: wrapped}
+	require.ErrorIs(t, verifier.VerifySlotAboveFinalized(1), ErrEnvelopeSlotBeforeFinalized)
+
+	verifier = &EnvelopeVerifier{results: newResults(RequireEnvelopeSlotAboveFinalized), e: wrapped}
+	require.NoError(t, verifier.VerifySlotAboveFinalized(0))
+}
+
+func TestEnvelopeVerifier_VerifySlotMatchesBlock(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 2, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireEnvelopeSlotMatchesBlock), e: wrapped}
+	require.ErrorIs(t, verifier.VerifySlotMatchesBlock(3), ErrEnvelopeSlotMismatch)
+
+	verifier = &EnvelopeVerifier{results: newResults(RequireEnvelopeSlotMatchesBlock), e: wrapped}
+	require.NoError(t, verifier.VerifySlotMatchesBlock(2))
+}
+
+func TestEnvelopeVerifier_VerifyBlockRootSeen(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 1, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireBlockRootSeen), e: wrapped}
+	require.ErrorIs(t, verifier.VerifyBlockRootSeen(func([32]byte) bool { return false }), ErrEnvelopeBlockRootNotSeen)
+
+	verifier = &EnvelopeVerifier{results: newResults(RequireBlockRootSeen), e: wrapped}
+	require.NoError(t, verifier.VerifyBlockRootSeen(func([32]byte) bool { return true }))
+}
+
+func TestEnvelopeVerifier_VerifyBlockRootValid(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 1, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireBlockRootValid), e: wrapped}
+	require.ErrorIs(t, verifier.VerifyBlockRootValid(func([32]byte) bool { return true }), ErrEnvelopeBlockRootInvalid)
+
+	verifier = &EnvelopeVerifier{results: newResults(RequireBlockRootValid), e: wrapped}
+	require.NoError(t, verifier.VerifyBlockRootValid(func([32]byte) bool { return false }))
+}
+
+func TestEnvelopeVerifier_VerifyBuilderValid(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 1, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	badBid := testExecutionPayloadBid(t, 1, 2, blockHash)
+	verifier := &EnvelopeVerifier{results: newResults(RequireBuilderValid), e: wrapped}
+	require.ErrorIs(t, verifier.VerifyBuilderValid(badBid), ErrIncorrectEnvelopeBuilder)
+
+	okBid := testExecutionPayloadBid(t, 1, 1, blockHash)
+	verifier = &EnvelopeVerifier{results: newResults(RequireBuilderValid), e: wrapped}
+	require.NoError(t, verifier.VerifyBuilderValid(okBid))
+}
+
+func TestEnvelopeVerifier_VerifyPayloadHash(t *testing.T) {
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, 1, 1, root, blockHash)
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	badHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xCC}, 32))
+	badBid := testExecutionPayloadBid(t, 1, 1, badHash)
+	verifier := &EnvelopeVerifier{results: newResults(RequirePayloadHashValid), e: wrapped}
+	require.ErrorIs(t, verifier.VerifyPayloadHash(badBid), ErrIncorrectEnvelopeBlockHash)
+
+	okBid := testExecutionPayloadBid(t, 1, 1, blockHash)
+	verifier = &EnvelopeVerifier{results: newResults(RequirePayloadHashValid), e: wrapped}
+	require.NoError(t, verifier.VerifyPayloadHash(okBid))
+}
+
+func TestEnvelopeVerifier_VerifySignature_Builder(t *testing.T) {
+	slot := primitives.Slot(1)
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, slot, 0, root, blockHash)
+
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	builderPubkey := sk.PublicKey().Marshal()
+
+	st := newGloasState(t, slot, nil, nil, []*ethpb.Builder{{Pubkey: builderPubkey}})
+
+	sig := signEnvelope(t, sk, env.Message, st.Fork(), st.GenesisValidatorsRoot(), slot)
+	env.Signature = sig[:]
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireBuilderSignatureValid), e: wrapped}
+	require.NoError(t, verifier.VerifySignature(st))
+
+	env.Signature[0] ^= 0xFF
+	wrapped, err = blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+	verifier = &EnvelopeVerifier{results: newResults(RequireBuilderSignatureValid), e: wrapped}
+	require.ErrorIs(t, verifier.VerifySignature(st), signing.ErrSigFailedToVerify)
+}
+
+func TestEnvelopeVerifier_VerifySignature_SelfBuild(t *testing.T) {
+	slot := primitives.Slot(2)
+	root := bytesutil.ToBytes32(bytes.Repeat([]byte{0xAA}, 32))
+	blockHash := bytesutil.ToBytes32(bytes.Repeat([]byte{0xBB}, 32))
+	env := testSignedExecutionPayloadEnvelope(t, slot, params.BeaconConfig().BuilderIndexSelfBuild, root, blockHash)
+
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	validatorPubkey := sk.PublicKey().Marshal()
+
+	validators := []*ethpb.Validator{{PublicKey: validatorPubkey}}
+	balances := []uint64{0}
+	st := newGloasState(t, slot, validators, balances, nil)
+
+	sig := signEnvelope(t, sk, env.Message, st.Fork(), st.GenesisValidatorsRoot(), slot)
+	env.Signature = sig[:]
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(env)
+	require.NoError(t, err)
+
+	verifier := &EnvelopeVerifier{results: newResults(RequireBuilderSignatureValid), e: wrapped}
+	require.NoError(t, verifier.VerifySignature(st))
+}
+
+func testSignedExecutionPayloadEnvelope(t *testing.T, slot primitives.Slot, builderIdx primitives.BuilderIndex, root, blockHash [32]byte) *ethpb.SignedExecutionPayloadEnvelope {
+	t.Helper()
+
+	payload := &enginev1.ExecutionPayloadDeneb{
+		ParentHash:    bytes.Repeat([]byte{0x01}, 32),
+		FeeRecipient:  bytes.Repeat([]byte{0x02}, 20),
+		StateRoot:     bytes.Repeat([]byte{0x03}, 32),
+		ReceiptsRoot:  bytes.Repeat([]byte{0x04}, 32),
+		LogsBloom:     bytes.Repeat([]byte{0x05}, 256),
+		PrevRandao:    bytes.Repeat([]byte{0x06}, 32),
+		BlockNumber:   1,
+		GasLimit:      2,
+		GasUsed:       3,
+		Timestamp:     4,
+		BaseFeePerGas: bytes.Repeat([]byte{0x07}, 32),
+		BlockHash:     blockHash[:],
+		Transactions:  [][]byte{},
+		Withdrawals:   []*enginev1.Withdrawal{},
+		BlobGasUsed:   0,
+		ExcessBlobGas: 0,
+	}
+
+	return &ethpb.SignedExecutionPayloadEnvelope{
+		Message: &ethpb.ExecutionPayloadEnvelope{
+			Payload: payload,
+			ExecutionRequests: &enginev1.ExecutionRequests{
+				Deposits: []*enginev1.DepositRequest{},
+			},
+			BuilderIndex:    builderIdx,
+			BeaconBlockRoot: root[:],
+			Slot:            slot,
+			StateRoot:       bytes.Repeat([]byte{0xBB}, 32),
+		},
+		Signature: bytes.Repeat([]byte{0xCC}, 96),
+	}
+}
+
+func testExecutionPayloadBid(t *testing.T, slot primitives.Slot, builderIdx primitives.BuilderIndex, blockHash [32]byte) interfaces.ROExecutionPayloadBid {
+	t.Helper()
+
+	signed := util.GenerateTestSignedExecutionPayloadBid(slot)
+	signed.Message.BuilderIndex = builderIdx
+	copy(signed.Message.BlockHash, blockHash[:])
+
+	wrapped, err := blocks.WrappedROSignedExecutionPayloadBid(signed)
+	require.NoError(t, err)
+	bid, err := wrapped.Bid()
+	require.NoError(t, err)
+	return bid
+}
+
+func newGloasState(
+	t *testing.T,
+	slot primitives.Slot,
+	validators []*ethpb.Validator,
+	balances []uint64,
+	builders []*ethpb.Builder,
+) state.BeaconState {
+	t.Helper()
+
+	genesisRoot := bytes.Repeat([]byte{0x11}, 32)
+	st, err := util.NewBeaconStateGloas(func(s *ethpb.BeaconStateGloas) error {
+		s.Slot = slot
+		s.GenesisValidatorsRoot = genesisRoot
+		if validators != nil {
+			s.Validators = validators
+		}
+		if balances != nil {
+			s.Balances = balances
+		}
+		if s.LatestBlockHeader != nil {
+			s.LatestBlockHeader.ProposerIndex = 0
+		}
+		if builders != nil {
+			s.Builders = builders
+		}
+		return nil
+	})
+	require.NoError(t, err)
+	return st
+}
+
+func signEnvelope(t *testing.T, sk bls.SecretKey, env *ethpb.ExecutionPayloadEnvelope, fork *ethpb.Fork, genesisRoot []byte, slot primitives.Slot) [96]byte {
+	t.Helper()
+
+	epoch := slots.ToEpoch(slot)
+	domain, err := signing.Domain(fork, epoch, params.BeaconConfig().DomainBeaconBuilder, genesisRoot)
+	require.NoError(t, err)
+	root, err := signing.ComputeSigningRoot(env, domain)
+	require.NoError(t, err)
+	sig := sk.Sign(root[:]).Marshal()
+	var out [96]byte
+	copy(out[:], sig)
+	return out
+}

beacon-chain/verification/initializer.go

@@ -12,6 +12,8 @@ import (
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"golang.org/x/sync/singleflight"
@@ -86,6 +88,24 @@ func (ini *Initializer) NewDataColumnsVerifier(roDataColumns []blocks.RODataColu
 	}
 }
 
+// NewPayloadAttestationMsgVerifier creates a PayloadAttestationMsgVerifier for a single payload attestation message,
+// with the given set of requirements.
+func (ini *Initializer) NewPayloadAttestationMsgVerifier(pa payloadattestation.ROMessage, reqs []Requirement) *PayloadAttMsgVerifier {
+	return &PayloadAttMsgVerifier{
+		sharedResources: ini.shared,
+		results:         newResults(reqs...),
+		pa:              pa,
+	}
+}
+
+// NewPayloadEnvelopeVerifier creates a SignedExecutionPayloadEnvelopeVerifier for a single signed execution payload envelope with the given set of requirements.
+func (ini *Initializer) NewPayloadEnvelopeVerifier(ee interfaces.ROSignedExecutionPayloadEnvelope, reqs []Requirement) *EnvelopeVerifier {
+	return &EnvelopeVerifier{
+		results: newResults(reqs...),
+		e:       ee,
+	}
+}
+
 // InitializerWaiter provides an Initializer once all dependent resources are ready
 // via the WaitForInitializer method.
 type InitializerWaiter struct {

beacon-chain/verification/interface.go

@@ -3,8 +3,10 @@ package verification
 import (
 	"context"
 
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
 )
 
 // BlobVerifier defines the methods implemented by the ROBlobVerifier.
@@ -54,3 +56,18 @@ type DataColumnsVerifier interface {
 // NewDataColumnsVerifier is a function signature that can be used to mock a setup where a
 // column verifier can be easily initialized.
 type NewDataColumnsVerifier func(dataColumns []blocks.RODataColumn, reqs []Requirement) DataColumnsVerifier
+
+// PayloadAttestationMsgVerifier defines the methods implemented by the ROPayloadAttestation.
+type PayloadAttestationMsgVerifier interface {
+	VerifyCurrentSlot() error
+	VerifyBlockRootSeen(blockRootSeen func([32]byte) bool) error
+	VerifyBlockRootValid(func([32]byte) bool) error
+	VerifyValidatorInPTC(context.Context, state.ReadOnlyBeaconState) error
+	VerifySignature(state.ReadOnlyBeaconState) error
+	VerifiedPayloadAttestation() (payloadattestation.VerifiedROMessage, error)
+	SatisfyRequirement(Requirement)
+}
+
+// NewPayloadAttestationMsgVerifier is a function signature that can be used by code that needs to be
+// able to mock Initializer.NewPayloadAttestationMsgVerifier without complex setup.
+type NewPayloadAttestationMsgVerifier func(pa payloadattestation.ROMessage, reqs []Requirement) PayloadAttestationMsgVerifier

beacon-chain/verification/payload_attestation.go

@@ -0,0 +1,177 @@
+package verification
+
+import (
+	"context"
+	"fmt"
+	"slices"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/gloas"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/pkg/errors"
+)
+
+// RequirementList defines a list of requirements.
+type RequirementList []Requirement
+
+// PayloadAttGossipRequirements defines the list of requirements for gossip payload attestation messages.
+var PayloadAttGossipRequirements = []Requirement{
+	RequireCurrentSlot,
+	RequireMessageNotSeen,
+	RequireValidatorInPTC,
+	RequireBlockRootSeen,
+	RequireBlockRootValid,
+	RequireSignatureValid,
+}
+
+// GossipPayloadAttestationMessageRequirements is a requirement list for gossip payload attestation messages.
+var GossipPayloadAttestationMessageRequirements = RequirementList(PayloadAttGossipRequirements)
+
+var (
+	ErrIncorrectPayloadAttSlot      = errors.New("payload att slot does not match the current slot")
+	ErrPayloadAttBlockRootNotSeen   = errors.New("block root not seen")
+	ErrPayloadAttBlockRootInvalid   = errors.New("block root invalid")
+	ErrIncorrectPayloadAttValidator = errors.New("validator not present in payload timeliness committee")
+	ErrInvalidPayloadAttMessage     = errors.New("invalid payload attestation message")
+)
+
+var _ PayloadAttestationMsgVerifier = &PayloadAttMsgVerifier{}
+
+// PayloadAttMsgVerifier is a read-only verifier for payload attestation messages.
+type PayloadAttMsgVerifier struct {
+	*sharedResources
+	results *results
+	pa      payloadattestation.ROMessage
+}
+
+// VerifyCurrentSlot verifies if the current slot matches the expected slot.
+// Represents the following spec verification:
+// [IGNORE] data.slot is the current slot.
+func (v *PayloadAttMsgVerifier) VerifyCurrentSlot() (err error) {
+	defer v.record(RequireCurrentSlot, &err)
+
+	currentSlot := v.clock.CurrentSlot()
+	if v.pa.Slot() != currentSlot {
+		return fmt.Errorf("%w: got %d want %d", ErrIncorrectPayloadAttSlot, v.pa.Slot(), currentSlot)
+	}
+
+	return nil
+}
+
+// VerifyBlockRootSeen verifies if the block root has been seen before.
+// Represents the following spec verification:
+// [IGNORE] The attestation's data.beacon_block_root has been seen (via both gossip and non-gossip sources).
+func (v *PayloadAttMsgVerifier) VerifyBlockRootSeen(blockRootSeen func([32]byte) bool) (err error) {
+	defer v.record(RequireBlockRootSeen, &err)
+	if blockRootSeen != nil && blockRootSeen(v.pa.BeaconBlockRoot()) {
+		return nil
+	}
+	return fmt.Errorf("%w: root=%#x", ErrPayloadAttBlockRootNotSeen, v.pa.BeaconBlockRoot())
+}
+
+// VerifyBlockRootValid verifies if the block root is valid.
+// Represents the following spec verification:
+// [REJECT] The beacon block with root data.beacon_block_root passes validation.
+func (v *PayloadAttMsgVerifier) VerifyBlockRootValid(badBlock func([32]byte) bool) (err error) {
+	defer v.record(RequireBlockRootValid, &err)
+
+	if badBlock != nil && badBlock(v.pa.BeaconBlockRoot()) {
+		return fmt.Errorf("%w: root=%#x", ErrPayloadAttBlockRootInvalid, v.pa.BeaconBlockRoot())
+	}
+
+	return nil
+}
+
+// VerifyValidatorInPTC verifies if the validator is present.
+// Represents the following spec verification:
+// [REJECT] The validator index is within the payload committee in get_ptc(state, data.slot). For the current's slot head state.
+func (v *PayloadAttMsgVerifier) VerifyValidatorInPTC(ctx context.Context, st state.ReadOnlyBeaconState) (err error) {
+	defer v.record(RequireValidatorInPTC, &err)
+
+	ptc, err := gloas.PayloadCommittee(ctx, st, v.pa.Slot())
+	if err != nil {
+		return err
+	}
+
+	if slices.Index(ptc, v.pa.ValidatorIndex()) == -1 {
+		return fmt.Errorf("%w: validatorIndex=%d", ErrIncorrectPayloadAttValidator, v.pa.ValidatorIndex())
+	}
+
+	return nil
+}
+
+// VerifySignature verifies the signature of the payload attestation message.
+// Represents the following spec verification:
+// [REJECT] The signature of payload_attestation_message.signature is valid with respect to the validator index.
+func (v *PayloadAttMsgVerifier) VerifySignature(st state.ReadOnlyBeaconState) (err error) {
+	defer v.record(RequireSignatureValid, &err)
+
+	err = validatePayloadAttestationMessageSignature(st, v.pa)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// VerifiedPayloadAttestation returns a verified payload attestation message by checking all requirements.
+func (v *PayloadAttMsgVerifier) VerifiedPayloadAttestation() (payloadattestation.VerifiedROMessage, error) {
+	if v.results.allSatisfied() {
+		return payloadattestation.NewVerifiedROMessage(v.pa), nil
+	}
+	return payloadattestation.VerifiedROMessage{}, ErrInvalidPayloadAttMessage
+}
+
+// SatisfyRequirement allows the caller to manually mark a requirement as satisfied.
+func (v *PayloadAttMsgVerifier) SatisfyRequirement(req Requirement) {
+	v.record(req, nil)
+}
+
+// ValidatePayloadAttestationMessageSignature verifies the signature of a payload attestation message.
+func validatePayloadAttestationMessageSignature(st state.ReadOnlyBeaconState, payloadAtt payloadattestation.ROMessage) error {
+	val, err := st.ValidatorAtIndex(payloadAtt.ValidatorIndex())
+	if err != nil {
+		return fmt.Errorf("validator %d: %w", payloadAtt.ValidatorIndex(), err)
+	}
+
+	pub, err := bls.PublicKeyFromBytes(val.PublicKey)
+	if err != nil {
+		return fmt.Errorf("public key: %w", err)
+	}
+
+	s := payloadAtt.Signature()
+	sig, err := bls.SignatureFromBytes(s[:])
+	if err != nil {
+		return fmt.Errorf("signature bytes: %w", err)
+	}
+
+	currentEpoch := slots.ToEpoch(st.Slot())
+	domain, err := signing.Domain(st.Fork(), currentEpoch, params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
+	if err != nil {
+		return fmt.Errorf("domain: %w", err)
+	}
+
+	root, err := payloadAtt.SigningRoot(domain)
+	if err != nil {
+		return fmt.Errorf("signing root: %w", err)
+	}
+
+	if !sig.Verify(pub, root[:]) {
+		return fmt.Errorf("verify signature: %w", signing.ErrSigFailedToVerify)
+	}
+	return nil
+}
+
+// record records the result of a requirement verification.
+func (v *PayloadAttMsgVerifier) record(req Requirement, err *error) {
+	if err == nil || *err == nil {
+		v.results.record(req, nil)
+		return
+	}
+
+	v.results.record(req, *err)
+}

beacon-chain/verification/payload_attestation_mock.go

@@ -0,0 +1,46 @@
+package verification
+
+import (
+	"context"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
+)
+
+type MockPayloadAttestation struct {
+	ErrIncorrectPayloadAttSlot      error
+	ErrIncorrectPayloadAttValidator error
+	ErrPayloadAttBlockRootNotSeen   error
+	ErrPayloadAttBlockRootInvalid   error
+	ErrInvalidPayloadAttMessage     error
+	ErrInvalidMessageSignature      error
+	ErrUnsatisfiedRequirement       error
+}
+
+var _ PayloadAttestationMsgVerifier = &MockPayloadAttestation{}
+
+func (m *MockPayloadAttestation) VerifyCurrentSlot() error {
+	return m.ErrIncorrectPayloadAttSlot
+}
+
+func (m *MockPayloadAttestation) VerifyValidatorInPTC(ctx context.Context, st state.ReadOnlyBeaconState) error {
+	return m.ErrIncorrectPayloadAttValidator
+}
+
+func (m *MockPayloadAttestation) VerifyBlockRootSeen(_ func([32]byte) bool) error {
+	return m.ErrPayloadAttBlockRootNotSeen
+}
+
+func (m *MockPayloadAttestation) VerifyBlockRootValid(func([32]byte) bool) error {
+	return m.ErrPayloadAttBlockRootInvalid
+}
+
+func (m *MockPayloadAttestation) VerifySignature(st state.ReadOnlyBeaconState) (err error) {
+	return m.ErrInvalidMessageSignature
+}
+
+func (m *MockPayloadAttestation) VerifiedPayloadAttestation() (payloadattestation.VerifiedROMessage, error) {
+	return payloadattestation.VerifiedROMessage{}, nil
+}
+
+func (m *MockPayloadAttestation) SatisfyRequirement(req Requirement) {}

beacon-chain/verification/payload_attestation_test.go

@@ -0,0 +1,167 @@
+package verification
+
+import (
+	"bytes"
+	"context"
+	"testing"
+	"time"
+
+	"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/startup"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	payloadattestation "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation"
+	"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 TestPayloadAttestationVerifyCurrentSlot(t *testing.T) {
+	params.SetupTestConfigCleanup(t)
+	now := time.Unix(1000, 0)
+	genesis := now.Add(-time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
+	clock := startup.NewClock(genesis, [32]byte{}, startup.WithNower(func() time.Time { return now }))
+	ini := &Initializer{shared: &sharedResources{clock: clock}}
+
+	msg := newPayloadAttestationMessage(primitives.Slot(1), 0, bytes.Repeat([]byte{0x11}, 32))
+	pa, err := payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v := ini.NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.NoError(t, v.VerifyCurrentSlot())
+
+	msg = newPayloadAttestationMessage(primitives.Slot(2), 0, bytes.Repeat([]byte{0x11}, 32))
+	pa, err = payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v = ini.NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.ErrorIs(t, v.VerifyCurrentSlot(), ErrIncorrectPayloadAttSlot)
+}
+
+func TestPayloadAttestationVerifyBlockRootSeenAndValid(t *testing.T) {
+	params.SetupTestConfigCleanup(t)
+	ini := &Initializer{shared: &sharedResources{}}
+	root := bytes.Repeat([]byte{0x22}, 32)
+	var root32 [32]byte
+	copy(root32[:], root)
+
+	msg := newPayloadAttestationMessage(primitives.Slot(1), 0, root)
+	pa, err := payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v := ini.NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+
+	require.NoError(t, v.VerifyBlockRootSeen(func(r [32]byte) bool { return r == root32 }))
+	require.ErrorIs(t, v.VerifyBlockRootSeen(func([32]byte) bool { return false }), ErrPayloadAttBlockRootNotSeen)
+
+	require.NoError(t, v.VerifyBlockRootValid(func([32]byte) bool { return false }))
+	require.ErrorIs(t, v.VerifyBlockRootValid(func([32]byte) bool { return true }), ErrPayloadAttBlockRootInvalid)
+}
+
+func TestPayloadAttestationVerifyValidatorInPTC(t *testing.T) {
+	setupPayloadAttTestConfig(t)
+
+	_, pk := newKey(t)
+	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
+	msg := newPayloadAttestationMessage(primitives.Slot(1), 0, bytes.Repeat([]byte{0x33}, 32))
+	pa, err := payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v := (&Initializer{shared: &sharedResources{}}).NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.NoError(t, v.VerifyValidatorInPTC(context.Background(), st))
+
+	msg = newPayloadAttestationMessage(primitives.Slot(1), 1, bytes.Repeat([]byte{0x33}, 32))
+	pa, err = payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v = (&Initializer{shared: &sharedResources{}}).NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.ErrorIs(t, v.VerifyValidatorInPTC(context.Background(), st), ErrIncorrectPayloadAttValidator)
+}
+
+func TestPayloadAttestationVerifySignature(t *testing.T) {
+	setupPayloadAttTestConfig(t)
+
+	sk, pk := newKey(t)
+	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
+	root := bytes.Repeat([]byte{0x44}, 32)
+	data := &eth.PayloadAttestationData{
+		BeaconBlockRoot:   root,
+		Slot:              1,
+		PayloadPresent:    true,
+		BlobDataAvailable: true,
+	}
+	msg := &eth.PayloadAttestationMessage{
+		ValidatorIndex: 0,
+		Data:           data,
+		Signature:      signPayloadAttestationMessage(t, st, data, sk),
+	}
+	pa, err := payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v := (&Initializer{shared: &sharedResources{}}).NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.NoError(t, v.VerifySignature(st))
+
+	sk2, _ := newKey(t)
+	msg.Signature = signPayloadAttestationMessage(t, st, data, sk2)
+	pa, err = payloadattestation.NewReadOnly(msg)
+	require.NoError(t, err)
+	v = (&Initializer{shared: &sharedResources{}}).NewPayloadAttestationMsgVerifier(pa, GossipPayloadAttestationMessageRequirements)
+	require.ErrorIs(t, v.VerifySignature(st), signing.ErrSigFailedToVerify)
+}
+
+func newPayloadAttestationMessage(slot primitives.Slot, idx primitives.ValidatorIndex, root []byte) *eth.PayloadAttestationMessage {
+	return &eth.PayloadAttestationMessage{
+		ValidatorIndex: idx,
+		Data: &eth.PayloadAttestationData{
+			BeaconBlockRoot:   root,
+			Slot:              slot,
+			PayloadPresent:    true,
+			BlobDataAvailable: true,
+		},
+		Signature: []byte{0x01},
+	}
+}
+
+func newTestState(t *testing.T, vals []*eth.Validator, slot primitives.Slot) state.BeaconState {
+	st, err := testutil.NewBeaconStateGloas()
+	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 setupPayloadAttTestConfig(t *testing.T) {
+	params.SetupTestConfigCleanup(t)
+	cfg := params.BeaconConfig().Copy()
+	cfg.SlotsPerEpoch = 1
+	cfg.MaxEffectiveBalanceElectra = cfg.MaxEffectiveBalance
+	params.OverrideBeaconConfig(cfg)
+}
+
+func activeValidator(pub []byte) *eth.Validator {
+	return &eth.Validator{
+		PublicKey:                  pub,
+		EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
+		WithdrawalCredentials:      make([]byte, 32),
+		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 signPayloadAttestationMessage(t *testing.T, st state.ReadOnlyBeaconState, data *eth.PayloadAttestationData, sk common.SecretKey) []byte {
+	domain, err := signing.Domain(st.Fork(), slots.ToEpoch(st.Slot()), params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
+	require.NoError(t, err)
+	root, err := signing.ComputeSigningRoot(data, domain)
+	require.NoError(t, err)
+	sig := sk.Sign(root[:])
+	return sig.Marshal()
+}

beacon-chain/verification/requirements.go

@@ -0,0 +1,34 @@
+package verification
+
+const (
+	RequireBlobIndexInBounds Requirement = iota
+	RequireNotFromFutureSlot
+	RequireSlotAboveFinalized
+	RequireValidProposerSignature
+	RequireSidecarParentSeen
+	RequireSidecarParentValid
+	RequireSidecarParentSlotLower
+	RequireSidecarDescendsFromFinalized
+	RequireSidecarInclusionProven
+	RequireSidecarKzgProofVerified
+	RequireSidecarProposerExpected
+
+	// Data columns specific.
+	RequireValidFields
+	RequireCorrectSubnet
+
+	// Payload attestation specific.
+	RequireCurrentSlot
+	RequireMessageNotSeen
+	RequireValidatorInPTC
+	RequireBlockRootSeen
+	RequireBlockRootValid
+	RequireSignatureValid
+
+	// Execution payload envelope specific.
+	RequireBuilderValid
+	RequirePayloadHashValid
+	RequireEnvelopeSlotAboveFinalized
+	RequireEnvelopeSlotMatchesBlock
+	RequireBuilderSignatureValid
+)

beacon-chain/verification/result.go

@@ -29,6 +29,32 @@ func (r Requirement) String() string {
 		return "RequireSidecarKzgProofVerified"
 	case RequireSidecarProposerExpected:
 		return "RequireSidecarProposerExpected"
+	case RequireValidFields:
+		return "RequireValidFields"
+	case RequireCorrectSubnet:
+		return "RequireCorrectSubnet"
+	case RequireCurrentSlot:
+		return "RequireCurrentSlot"
+	case RequireMessageNotSeen:
+		return "RequireMessageNotSeen"
+	case RequireValidatorInPTC:
+		return "RequireValidatorInPTC"
+	case RequireBlockRootSeen:
+		return "RequireBlockRootSeen"
+	case RequireBlockRootValid:
+		return "RequireBlockRootValid"
+	case RequireSignatureValid:
+		return "RequireSignatureValid"
+	case RequireBuilderValid:
+		return "RequireBuilderValid"
+	case RequirePayloadHashValid:
+		return "RequirePayloadHashValid"
+	case RequireEnvelopeSlotAboveFinalized:
+		return "RequireEnvelopeSlotAboveFinalized"
+	case RequireEnvelopeSlotMatchesBlock:
+		return "RequireEnvelopeSlotMatchesBlock"
+	case RequireBuilderSignatureValid:
+		return "RequireBuilderSignatureValid"
 	default:
 		return unknownRequirementName
 	}

beacon-chain/verification/result_test.go

@@ -61,3 +61,16 @@ func TestAllBlobRequirementsHaveStrings(t *testing.T) {
 		require.NotEqual(t, unknownRequirementName, allBlobSidecarRequirements[i].String())
 	}
 }
+
+func TestPayloadAttestationRequirementsHaveStrings(t *testing.T) {
+	blobReqs := make(map[Requirement]struct{}, len(allBlobSidecarRequirements))
+	for i := range allBlobSidecarRequirements {
+		blobReqs[allBlobSidecarRequirements[i]] = struct{}{}
+	}
+	for i := range PayloadAttGossipRequirements {
+		req := PayloadAttGossipRequirements[i]
+		require.NotEqual(t, unknownRequirementName, req.String())
+		_, overlaps := blobReqs[req]
+		require.Equal(t, false, overlaps)
+	}
+}

changelog/potuz_forkchoice_unused_highestblockdelay.md

@@ -0,0 +1,2 @@
+### Ignored
+- Remove unused `HighestBlockDelay` method in forkchoice.

changelog/potuz_gloas_forkchoice_1.md

@@ -1,2 +0,0 @@
-### Added
-- Adapted forkchoice to future Gloas compatible type. 

changelog/pvl-bbolt-read-copy.md

@@ -0,0 +1,3 @@
+### Fixed
+
+- Fixed some database slices that were used outside of a read transaction. See [bbolt README](https://github.com/etcd-io/bbolt/blob/7b38172caf8cde993d187be4b8738fbe9266fde8/README.md?plain=1#L852) for more on this caveat.

changelog/satushh-close-host.md

@@ -0,0 +1,2 @@
+### Ignored
+- Close opened host in test helpers

changelog/tt_gossip_payload.md

@@ -0,0 +1,3 @@
+### Added
+
+- Added support for Payload attestation gossip net in gloas

changelog/tt_move-kzg-commitments.md

@@ -0,0 +1,3 @@
+### Changed
+
+- Moved blob KZG commitments into `ExecutionPayloadBid` and removed them from `ExecutionPayloadEnvelope` for Gloas.

changelog/tt_ro-payload-envelope.md

@@ -0,0 +1,3 @@
+### Added
+
+- Add read only wrapper for execution payload envelope for gloas

consensus-types/blocks/BUILD.bazel

@@ -4,6 +4,7 @@ go_library(
     name = "go_default_library",
     srcs = [
         "execution.go",
+        "execution_payload_envelope.go",
         "factory.go",
         "get_payload.go",
         "getters.go",
@@ -45,6 +46,7 @@ go_library(
 go_test(
     name = "go_default_test",
     srcs = [
+        "execution_payload_envelope_test.go",
         "execution_test.go",
         "factory_test.go",
         "getters_test.go",

consensus-types/blocks/execution_payload_envelope.go

@@ -0,0 +1,131 @@
+package blocks
+
+import (
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	field_params "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	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"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"google.golang.org/protobuf/proto"
+)
+
+type signedExecutionPayloadEnvelope struct {
+	s *ethpb.SignedExecutionPayloadEnvelope
+}
+
+type executionPayloadEnvelope struct {
+	p *ethpb.ExecutionPayloadEnvelope
+}
+
+// WrappedROSignedExecutionPayloadEnvelope wraps a signed execution payload envelope proto in a read-only interface.
+func WrappedROSignedExecutionPayloadEnvelope(s *ethpb.SignedExecutionPayloadEnvelope) (interfaces.ROSignedExecutionPayloadEnvelope, error) {
+	w := signedExecutionPayloadEnvelope{s: s}
+	if w.IsNil() {
+		return nil, consensus_types.ErrNilObjectWrapped
+	}
+	return w, nil
+}
+
+// WrappedROExecutionPayloadEnvelope wraps an execution payload envelope proto in a read-only interface.
+func WrappedROExecutionPayloadEnvelope(p *ethpb.ExecutionPayloadEnvelope) (interfaces.ROExecutionPayloadEnvelope, error) {
+	w := &executionPayloadEnvelope{p: p}
+	if w.IsNil() {
+		return nil, consensus_types.ErrNilObjectWrapped
+	}
+	return w, nil
+}
+
+// Envelope returns the execution payload envelope as a read-only interface.
+func (s signedExecutionPayloadEnvelope) Envelope() (interfaces.ROExecutionPayloadEnvelope, error) {
+	return WrappedROExecutionPayloadEnvelope(s.s.Message)
+}
+
+// Signature returns the BLS signature as a 96-byte array.
+func (s signedExecutionPayloadEnvelope) Signature() [field_params.BLSSignatureLength]byte {
+	return [field_params.BLSSignatureLength]byte(s.s.Signature)
+}
+
+// IsNil reports whether the signed envelope or its contents are invalid.
+func (s signedExecutionPayloadEnvelope) IsNil() bool {
+	if s.s == nil {
+		return true
+	}
+	if len(s.s.Signature) != field_params.BLSSignatureLength {
+		return true
+	}
+	if len(s.s.Message.BeaconBlockRoot) != field_params.RootLength {
+		return true
+	}
+	if len(s.s.Message.StateRoot) != field_params.RootLength {
+		return true
+	}
+	if s.s.Message.ExecutionRequests == nil {
+		return true
+	}
+	if s.s.Message.Payload == nil {
+		return true
+	}
+	w := executionPayloadEnvelope{p: s.s.Message}
+	return w.IsNil()
+}
+
+// SigningRoot computes the signing root for the signed envelope with the provided domain.
+func (s signedExecutionPayloadEnvelope) SigningRoot(domain []byte) (root [32]byte, err error) {
+	return signing.ComputeSigningRoot(s.s.Message, domain)
+}
+
+// Proto returns the underlying protobuf message.
+func (s signedExecutionPayloadEnvelope) Proto() proto.Message {
+	return s.s
+}
+
+// IsNil reports whether the envelope or its required fields are invalid.
+func (p *executionPayloadEnvelope) IsNil() bool {
+	if p.p == nil {
+		return true
+	}
+	if p.p.Payload == nil {
+		return true
+	}
+	if len(p.p.BeaconBlockRoot) != field_params.RootLength {
+		return true
+	}
+	return false
+}
+
+// IsBlinded reports whether the envelope contains a blinded payload.
+func (p *executionPayloadEnvelope) IsBlinded() bool {
+	return false
+}
+
+// Execution returns the execution payload as a read-only interface.
+func (p *executionPayloadEnvelope) Execution() (interfaces.ExecutionData, error) {
+	return WrappedExecutionPayloadDeneb(p.p.Payload)
+}
+
+// ExecutionRequests returns the execution requests attached to the envelope.
+func (p *executionPayloadEnvelope) ExecutionRequests() *enginev1.ExecutionRequests {
+	return ethpb.CopyExecutionRequests(p.p.ExecutionRequests)
+}
+
+// BuilderIndex returns the proposer/builder index for the envelope.
+func (p *executionPayloadEnvelope) BuilderIndex() primitives.BuilderIndex {
+	return p.p.BuilderIndex
+}
+
+// BeaconBlockRoot returns the beacon block root referenced by the envelope.
+func (p *executionPayloadEnvelope) BeaconBlockRoot() [field_params.RootLength]byte {
+	return [field_params.RootLength]byte(p.p.BeaconBlockRoot)
+}
+
+// Slot returns the slot of the envelope.
+func (p *executionPayloadEnvelope) Slot() primitives.Slot {
+	return p.p.Slot
+}
+
+// StateRoot returns the state root carried by the envelope.
+func (p *executionPayloadEnvelope) StateRoot() [field_params.RootLength]byte {
+	return [field_params.RootLength]byte(p.p.StateRoot)
+}

consensus-types/blocks/execution_payload_envelope_test.go

@@ -0,0 +1,136 @@
+package blocks_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	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 validExecutionPayloadEnvelope() *ethpb.ExecutionPayloadEnvelope {
+	payload := &enginev1.ExecutionPayloadDeneb{
+		ParentHash:    bytes.Repeat([]byte{0x01}, 32),
+		FeeRecipient:  bytes.Repeat([]byte{0x02}, 20),
+		StateRoot:     bytes.Repeat([]byte{0x03}, 32),
+		ReceiptsRoot:  bytes.Repeat([]byte{0x04}, 32),
+		LogsBloom:     bytes.Repeat([]byte{0x05}, 256),
+		PrevRandao:    bytes.Repeat([]byte{0x06}, 32),
+		BlockNumber:   1,
+		GasLimit:      2,
+		GasUsed:       3,
+		Timestamp:     4,
+		BaseFeePerGas: bytes.Repeat([]byte{0x07}, 32),
+		BlockHash:     bytes.Repeat([]byte{0x08}, 32),
+		Transactions:  [][]byte{},
+		Withdrawals:   []*enginev1.Withdrawal{},
+		BlobGasUsed:   0,
+		ExcessBlobGas: 0,
+	}
+
+	return &ethpb.ExecutionPayloadEnvelope{
+		Payload: payload,
+		ExecutionRequests: &enginev1.ExecutionRequests{
+			Deposits: []*enginev1.DepositRequest{
+				{
+					Pubkey:                bytes.Repeat([]byte{0x09}, 48),
+					WithdrawalCredentials: bytes.Repeat([]byte{0x0A}, 32),
+					Signature:             bytes.Repeat([]byte{0x0B}, 96),
+				},
+			},
+		},
+		BuilderIndex:    10,
+		BeaconBlockRoot: bytes.Repeat([]byte{0xAA}, 32),
+		Slot:            9,
+		StateRoot:       bytes.Repeat([]byte{0xBB}, 32),
+	}
+}
+
+func TestWrappedROExecutionPayloadEnvelope(t *testing.T) {
+	t.Run("returns error on nil payload", func(t *testing.T) {
+		invalid := validExecutionPayloadEnvelope()
+		invalid.Payload = nil
+		_, err := blocks.WrappedROExecutionPayloadEnvelope(invalid)
+		require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
+	})
+
+	t.Run("returns error on invalid beacon root length", func(t *testing.T) {
+		invalid := validExecutionPayloadEnvelope()
+		invalid.BeaconBlockRoot = []byte{0x01}
+		_, err := blocks.WrappedROExecutionPayloadEnvelope(invalid)
+		require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
+	})
+
+	t.Run("wraps and exposes fields", func(t *testing.T) {
+		env := validExecutionPayloadEnvelope()
+		wrapped, err := blocks.WrappedROExecutionPayloadEnvelope(env)
+		require.NoError(t, err)
+
+		require.Equal(t, primitives.BuilderIndex(10), wrapped.BuilderIndex())
+		require.Equal(t, primitives.Slot(9), wrapped.Slot())
+		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0xAA}, 32)), wrapped.BeaconBlockRoot())
+		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0xBB}, 32)), wrapped.StateRoot())
+
+		reqs := wrapped.ExecutionRequests()
+		require.NotNil(t, reqs)
+		if len(reqs.Deposits) > 0 {
+			reqs.Deposits[0].Pubkey[0] = 0xFF
+			require.NotEqual(t, reqs.Deposits[0].Pubkey[0], env.ExecutionRequests.Deposits[0].Pubkey[0])
+		}
+
+		exec, err := wrapped.Execution()
+		require.NoError(t, err)
+		assert.DeepEqual(t, env.Payload.ParentHash, exec.ParentHash())
+
+		require.Equal(t, false, wrapped.IsBlinded())
+	})
+}
+
+func TestWrappedROSignedExecutionPayloadEnvelope(t *testing.T) {
+	t.Run("returns error for invalid signature length", func(t *testing.T) {
+		signed := &ethpb.SignedExecutionPayloadEnvelope{
+			Message:   validExecutionPayloadEnvelope(),
+			Signature: bytes.Repeat([]byte{0xAA}, 95),
+		}
+		_, err := blocks.WrappedROSignedExecutionPayloadEnvelope(signed)
+		require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
+	})
+
+	t.Run("returns error on nil envelope", func(t *testing.T) {
+		_, err := blocks.WrappedROSignedExecutionPayloadEnvelope(nil)
+		require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
+	})
+
+	t.Run("wraps and provides envelope/signing data", func(t *testing.T) {
+		sig := bytes.Repeat([]byte{0xAB}, 96)
+		signed := &ethpb.SignedExecutionPayloadEnvelope{
+			Message:   validExecutionPayloadEnvelope(),
+			Signature: sig,
+		}
+
+		wrapped, err := blocks.WrappedROSignedExecutionPayloadEnvelope(signed)
+		require.NoError(t, err)
+
+		gotSig := wrapped.Signature()
+		assert.DeepEqual(t, [96]byte(sig), gotSig)
+
+		env, err := wrapped.Envelope()
+		require.NoError(t, err)
+		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0xAA}, 32)), env.BeaconBlockRoot())
+
+		domain := bytes.Repeat([]byte{0xCC}, 32)
+		wantRoot, err := signing.ComputeSigningRoot(signed.Message, domain)
+		require.NoError(t, err)
+		gotRoot, err := wrapped.SigningRoot(domain)
+		require.NoError(t, err)
+		require.Equal(t, wantRoot, gotRoot)
+
+		require.Equal(t, signed, wrapped.Proto())
+	})
+}

consensus-types/blocks/getters_test.go

@@ -671,7 +671,7 @@ func hydrateBeaconBlockBodyGloas() *eth.BeaconBlockBodyGloas {
 				BlockHash:              make([]byte, fieldparams.RootLength),
 				PrevRandao:             make([]byte, fieldparams.RootLength),
 				FeeRecipient:           make([]byte, 20),
-				BlobKzgCommitmentsRoot: make([]byte, fieldparams.RootLength),
+				BlobKzgCommitments:     [][]byte{make([]byte, fieldparams.BLSPubkeyLength)},
 			},
 			Signature: make([]byte, fieldparams.BLSSignatureLength),
 		},

consensus-types/blocks/signed_execution_bid.go

@@ -5,6 +5,7 @@ import (
 	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/encoding/bytesutil"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 )
 
@@ -43,11 +44,16 @@ func (h executionPayloadBidGloas) IsNil() bool {
 		len(h.payload.ParentBlockRoot) != 32 ||
 		len(h.payload.BlockHash) != 32 ||
 		len(h.payload.PrevRandao) != 32 ||
-		len(h.payload.BlobKzgCommitmentsRoot) != 32 ||
 		len(h.payload.FeeRecipient) != 20 {
 		return true
 	}
 
+	for _, commitment := range h.payload.BlobKzgCommitments {
+		if len(commitment) != 48 {
+			return true
+		}
+	}
+
 	return false
 }
 
@@ -131,9 +137,14 @@ func (h executionPayloadBidGloas) ExecutionPayment() primitives.Gwei {
 	return primitives.Gwei(h.payload.ExecutionPayment)
 }
 
-// BlobKzgCommitmentsRoot returns the root of the KZG commitments for blobs.
-func (h executionPayloadBidGloas) BlobKzgCommitmentsRoot() [32]byte {
-	return [32]byte(h.payload.BlobKzgCommitmentsRoot)
+// BlobKzgCommitments returns the KZG commitments for blobs.
+func (h executionPayloadBidGloas) BlobKzgCommitments() [][]byte {
+	return bytesutil.SafeCopy2dBytes(h.payload.BlobKzgCommitments)
+}
+
+// BlobKzgCommitmentCount returns the number of blob KZG commitments.
+func (h executionPayloadBidGloas) BlobKzgCommitmentCount() uint64 {
+	return uint64(len(h.payload.BlobKzgCommitments))
 }
 
 // FeeRecipient returns the execution address that will receive the builder payment.

consensus-types/blocks/signed_execution_bid_test.go

@@ -15,17 +15,17 @@ import (
 
 func validExecutionPayloadBid() *ethpb.ExecutionPayloadBid {
 	return &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        bytes.Repeat([]byte{0x01}, 32),
-		ParentBlockRoot:        bytes.Repeat([]byte{0x02}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x03}, 32),
-		PrevRandao:             bytes.Repeat([]byte{0x04}, 32),
-		GasLimit:               123,
-		BuilderIndex:           5,
-		Slot:                   6,
-		Value:                  7,
-		ExecutionPayment:       8,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x05}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x06}, 20),
+		ParentBlockHash:    bytes.Repeat([]byte{0x01}, 32),
+		ParentBlockRoot:    bytes.Repeat([]byte{0x02}, 32),
+		BlockHash:          bytes.Repeat([]byte{0x03}, 32),
+		PrevRandao:         bytes.Repeat([]byte{0x04}, 32),
+		GasLimit:           123,
+		BuilderIndex:       5,
+		Slot:               6,
+		Value:              7,
+		ExecutionPayment:   8,
+		BlobKzgCommitments: [][]byte{bytes.Repeat([]byte{0x05}, 48)},
+		FeeRecipient:       bytes.Repeat([]byte{0x06}, 20),
 	}
 }
 
@@ -52,8 +52,8 @@ func TestWrappedROExecutionPayloadBid(t *testing.T) {
 				mutate: func(b *ethpb.ExecutionPayloadBid) { b.PrevRandao = []byte{0x04} },
 			},
 			{
-				name:   "blob kzg commitments root",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.BlobKzgCommitmentsRoot = []byte{0x05} },
+				name:   "blob kzg commitments length",
+				mutate: func(b *ethpb.ExecutionPayloadBid) { b.BlobKzgCommitments = [][]byte{[]byte{0x05}} },
 			},
 			{
 				name:   "fee recipient",
@@ -85,7 +85,8 @@ func TestWrappedROExecutionPayloadBid(t *testing.T) {
 		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x02}, 32)), wrapped.ParentBlockRoot())
 		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x03}, 32)), wrapped.BlockHash())
 		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x04}, 32)), wrapped.PrevRandao())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x05}, 32)), wrapped.BlobKzgCommitmentsRoot())
+		assert.DeepEqual(t, [][]byte{bytes.Repeat([]byte{0x05}, 48)}, wrapped.BlobKzgCommitments())
+		require.Equal(t, uint64(1), wrapped.BlobKzgCommitmentCount())
 		assert.DeepEqual(t, [20]byte(bytes.Repeat([]byte{0x06}, 20)), wrapped.FeeRecipient())
 	})
 }

consensus-types/interfaces/BUILD.bazel

@@ -5,6 +5,7 @@ go_library(
     srcs = [
         "beacon_block.go",
         "error.go",
+        "execution_payload_envelope.go",
         "light_client.go",
         "signed_execution_payload_bid.go",
         "utils.go",

consensus-types/interfaces/execution_payload_envelope.go

@@ -0,0 +1,27 @@
+package interfaces
+
+import (
+	field_params "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	"google.golang.org/protobuf/proto"
+)
+
+type ROSignedExecutionPayloadEnvelope interface {
+	Envelope() (ROExecutionPayloadEnvelope, error)
+	Signature() [field_params.BLSSignatureLength]byte
+	SigningRoot([]byte) ([32]byte, error)
+	IsNil() bool
+	Proto() proto.Message
+}
+
+type ROExecutionPayloadEnvelope interface {
+	Execution() (ExecutionData, error)
+	ExecutionRequests() *enginev1.ExecutionRequests
+	BuilderIndex() primitives.BuilderIndex
+	BeaconBlockRoot() [field_params.RootLength]byte
+	Slot() primitives.Slot
+	StateRoot() [field_params.RootLength]byte
+	IsBlinded() bool
+	IsNil() bool
+}

consensus-types/interfaces/signed_execution_payload_bid.go

@@ -22,7 +22,8 @@ type ROExecutionPayloadBid interface {
 	Slot() primitives.Slot
 	Value() primitives.Gwei
 	ExecutionPayment() primitives.Gwei
-	BlobKzgCommitmentsRoot() [32]byte
+	BlobKzgCommitments() [][]byte
+	BlobKzgCommitmentCount() uint64
 	FeeRecipient() [20]byte
 	IsNil() bool
 }

consensus-types/payload-attestation/BUILD.bazel

@@ -0,0 +1,15 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["readonly_message.go"],
+    importpath = "github.com/OffchainLabs/prysm/v7/consensus-types/payload-attestation",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//beacon-chain/core/signing:go_default_library",
+        "//consensus-types/primitives:go_default_library",
+        "//encoding/bytesutil:go_default_library",
+        "//proto/prysm/v1alpha1:go_default_library",
+        "@com_github_pkg_errors//:go_default_library",
+    ],
+)

consensus-types/payload-attestation/readonly_message.go

@@ -0,0 +1,87 @@
+package payloadattestation
+
+import (
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/pkg/errors"
+)
+
+var (
+	errNilPayloadAttMessage   = errors.New("received nil payload attestation message")
+	errNilPayloadAttData      = errors.New("received nil payload attestation data")
+	errNilPayloadAttSignature = errors.New("received nil payload attestation signature")
+)
+
+// ROMessage represents a read-only payload attestation message.
+type ROMessage struct {
+	m *ethpb.PayloadAttestationMessage
+}
+
+// validatePayloadAtt checks if the given payload attestation message is valid.
+func validatePayloadAtt(m *ethpb.PayloadAttestationMessage) error {
+	if m == nil {
+		return errNilPayloadAttMessage
+	}
+	if m.Data == nil {
+		return errNilPayloadAttData
+	}
+	if len(m.Signature) == 0 {
+		return errNilPayloadAttSignature
+	}
+	return nil
+}
+
+// NewReadOnly creates a new ReadOnly instance after validating the message.
+func NewReadOnly(m *ethpb.PayloadAttestationMessage) (ROMessage, error) {
+	if err := validatePayloadAtt(m); err != nil {
+		return ROMessage{}, err
+	}
+	return ROMessage{m}, nil
+}
+
+// ValidatorIndex returns the validator index from the payload attestation message.
+func (r *ROMessage) ValidatorIndex() primitives.ValidatorIndex {
+	return r.m.ValidatorIndex
+}
+
+// Signature returns the signature from the payload attestation message.
+func (r *ROMessage) Signature() [96]byte {
+	return bytesutil.ToBytes96(r.m.Signature)
+}
+
+// BeaconBlockRoot returns the beacon block root from the payload attestation message.
+func (r *ROMessage) BeaconBlockRoot() [32]byte {
+	return bytesutil.ToBytes32(r.m.Data.BeaconBlockRoot)
+}
+
+// Slot returns the slot from the payload attestation message.
+func (r *ROMessage) Slot() primitives.Slot {
+	return r.m.Data.Slot
+}
+
+// PayloadPresent returns whether the payload was present.
+func (r *ROMessage) PayloadPresent() bool {
+	return r.m.Data.PayloadPresent
+}
+
+// BlobDataAvailable returns whether blob data was available.
+func (r *ROMessage) BlobDataAvailable() bool {
+	return r.m.Data.BlobDataAvailable
+}
+
+// SigningRoot returns the signing root from the payload attestation message.
+func (r *ROMessage) SigningRoot(domain []byte) ([32]byte, error) {
+	return signing.ComputeSigningRoot(r.m.Data, domain)
+}
+
+// VerifiedROMessage represents a verified read-only payload attestation message.
+type VerifiedROMessage struct {
+	ROMessage
+}
+
+// NewVerifiedROMessage creates a new VerifiedROMessage instance after validating the message.
+func NewVerifiedROMessage(r ROMessage) VerifiedROMessage {
+	return VerifiedROMessage{r}
+}

proto/engine/v1/gloas.pb.go

@@ -1,288 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.36.3
-// 	protoc        v3.21.7
-// source: proto/engine/v1/gloas.proto
-
-package enginev1
-
-import (
-	reflect "reflect"
-	sync "sync"
-
-	github_com_OffchainLabs_prysm_v6_consensus_types_primitives "github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	_ "github.com/OffchainLabs/prysm/v7/proto/eth/ext"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-)
-
-const (
-	// Verify that this generated code is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
-	// Verify that runtime/protoimpl is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
-)
-
-type ExecutionPayloadEnvelope struct {
-	state              protoimpl.MessageState                                                     `protogen:"open.v1"`
-	Payload            *ExecutionPayloadDeneb                                                     `protobuf:"bytes,1,opt,name=payload,proto3" json:"payload,omitempty"`
-	ExecutionRequests  *ExecutionRequests                                                         `protobuf:"bytes,2,opt,name=execution_requests,json=executionRequests,proto3" json:"execution_requests,omitempty"`
-	BuilderIndex       github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex `protobuf:"varint,3,opt,name=builder_index,json=builderIndex,proto3" json:"builder_index,omitempty" cast-type:"github.com/OffchainLabs/prysm/v7/consensus-types/primitives.ValidatorIndex"`
-	BeaconBlockRoot    []byte                                                                     `protobuf:"bytes,4,opt,name=beacon_block_root,json=beaconBlockRoot,proto3" json:"beacon_block_root,omitempty" ssz-size:"32"`
-	Slot               github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot           `protobuf:"varint,5,opt,name=slot,proto3" json:"slot,omitempty" cast-type:"github.com/OffchainLabs/prysm/v7/consensus-types/primitives.Slot"`
-	BlobKzgCommitments [][]byte                                                                   `protobuf:"bytes,6,rep,name=blob_kzg_commitments,json=blobKzgCommitments,proto3" json:"blob_kzg_commitments,omitempty" ssz-max:"4096" ssz-size:"?,48"`
-	StateRoot          []byte                                                                     `protobuf:"bytes,7,opt,name=state_root,json=stateRoot,proto3" json:"state_root,omitempty" ssz-size:"32"`
-	unknownFields      protoimpl.UnknownFields
-	sizeCache          protoimpl.SizeCache
-}
-
-func (x *ExecutionPayloadEnvelope) Reset() {
-	*x = ExecutionPayloadEnvelope{}
-	mi := &file_proto_engine_v1_gloas_proto_msgTypes[0]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *ExecutionPayloadEnvelope) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ExecutionPayloadEnvelope) ProtoMessage() {}
-
-func (x *ExecutionPayloadEnvelope) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_engine_v1_gloas_proto_msgTypes[0]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ExecutionPayloadEnvelope.ProtoReflect.Descriptor instead.
-func (*ExecutionPayloadEnvelope) Descriptor() ([]byte, []int) {
-	return file_proto_engine_v1_gloas_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *ExecutionPayloadEnvelope) GetPayload() *ExecutionPayloadDeneb {
-	if x != nil {
-		return x.Payload
-	}
-	return nil
-}
-
-func (x *ExecutionPayloadEnvelope) GetExecutionRequests() *ExecutionRequests {
-	if x != nil {
-		return x.ExecutionRequests
-	}
-	return nil
-}
-
-func (x *ExecutionPayloadEnvelope) GetBuilderIndex() github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex {
-	if x != nil {
-		return x.BuilderIndex
-	}
-	return github_com_OffchainLabs_prysm_v6_consensus_types_primitives.ValidatorIndex(0)
-}
-
-func (x *ExecutionPayloadEnvelope) GetBeaconBlockRoot() []byte {
-	if x != nil {
-		return x.BeaconBlockRoot
-	}
-	return nil
-}
-
-func (x *ExecutionPayloadEnvelope) GetSlot() github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot {
-	if x != nil {
-		return x.Slot
-	}
-	return github_com_OffchainLabs_prysm_v6_consensus_types_primitives.Slot(0)
-}
-
-func (x *ExecutionPayloadEnvelope) GetBlobKzgCommitments() [][]byte {
-	if x != nil {
-		return x.BlobKzgCommitments
-	}
-	return nil
-}
-
-func (x *ExecutionPayloadEnvelope) GetStateRoot() []byte {
-	if x != nil {
-		return x.StateRoot
-	}
-	return nil
-}
-
-type SignedExecutionPayloadEnvelope struct {
-	state         protoimpl.MessageState    `protogen:"open.v1"`
-	Message       *ExecutionPayloadEnvelope `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
-	Signature     []byte                    `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty" ssz-size:"96"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
-}
-
-func (x *SignedExecutionPayloadEnvelope) Reset() {
-	*x = SignedExecutionPayloadEnvelope{}
-	mi := &file_proto_engine_v1_gloas_proto_msgTypes[1]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *SignedExecutionPayloadEnvelope) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*SignedExecutionPayloadEnvelope) ProtoMessage() {}
-
-func (x *SignedExecutionPayloadEnvelope) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_engine_v1_gloas_proto_msgTypes[1]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use SignedExecutionPayloadEnvelope.ProtoReflect.Descriptor instead.
-func (*SignedExecutionPayloadEnvelope) Descriptor() ([]byte, []int) {
-	return file_proto_engine_v1_gloas_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *SignedExecutionPayloadEnvelope) GetMessage() *ExecutionPayloadEnvelope {
-	if x != nil {
-		return x.Message
-	}
-	return nil
-}
-
-func (x *SignedExecutionPayloadEnvelope) GetSignature() []byte {
-	if x != nil {
-		return x.Signature
-	}
-	return nil
-}
-
-var File_proto_engine_v1_gloas_proto protoreflect.FileDescriptor
-
-var file_proto_engine_v1_gloas_proto_rawDesc = []byte{
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-	0x33,
-}
-
-var (
-	file_proto_engine_v1_gloas_proto_rawDescOnce sync.Once
-	file_proto_engine_v1_gloas_proto_rawDescData = file_proto_engine_v1_gloas_proto_rawDesc
-)
-
-func file_proto_engine_v1_gloas_proto_rawDescGZIP() []byte {
-	file_proto_engine_v1_gloas_proto_rawDescOnce.Do(func() {
-		file_proto_engine_v1_gloas_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_engine_v1_gloas_proto_rawDescData)
-	})
-	return file_proto_engine_v1_gloas_proto_rawDescData
-}
-
-var file_proto_engine_v1_gloas_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_proto_engine_v1_gloas_proto_goTypes = []any{
-	(*ExecutionPayloadEnvelope)(nil),       // 0: ethereum.engine.v1.ExecutionPayloadEnvelope
-	(*SignedExecutionPayloadEnvelope)(nil), // 1: ethereum.engine.v1.SignedExecutionPayloadEnvelope
-	(*ExecutionPayloadDeneb)(nil),          // 2: ethereum.engine.v1.ExecutionPayloadDeneb
-	(*ExecutionRequests)(nil),              // 3: ethereum.engine.v1.ExecutionRequests
-}
-var file_proto_engine_v1_gloas_proto_depIdxs = []int32{
-	2, // 0: ethereum.engine.v1.ExecutionPayloadEnvelope.payload:type_name -> ethereum.engine.v1.ExecutionPayloadDeneb
-	3, // 1: ethereum.engine.v1.ExecutionPayloadEnvelope.execution_requests:type_name -> ethereum.engine.v1.ExecutionRequests
-	0, // 2: ethereum.engine.v1.SignedExecutionPayloadEnvelope.message:type_name -> ethereum.engine.v1.ExecutionPayloadEnvelope
-	3, // [3:3] is the sub-list for method output_type
-	3, // [3:3] is the sub-list for method input_type
-	3, // [3:3] is the sub-list for extension type_name
-	3, // [3:3] is the sub-list for extension extendee
-	0, // [0:3] is the sub-list for field type_name
-}
-
-func init() { file_proto_engine_v1_gloas_proto_init() }
-func file_proto_engine_v1_gloas_proto_init() {
-	if File_proto_engine_v1_gloas_proto != nil {
-		return
-	}
-	file_proto_engine_v1_execution_engine_proto_init()
-	file_proto_engine_v1_electra_proto_init()
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_proto_engine_v1_gloas_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   2,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_proto_engine_v1_gloas_proto_goTypes,
-		DependencyIndexes: file_proto_engine_v1_gloas_proto_depIdxs,
-		MessageInfos:      file_proto_engine_v1_gloas_proto_msgTypes,
-	}.Build()
-	File_proto_engine_v1_gloas_proto = out.File
-	file_proto_engine_v1_gloas_proto_rawDesc = nil
-	file_proto_engine_v1_gloas_proto_goTypes = nil
-	file_proto_engine_v1_gloas_proto_depIdxs = nil
-}

proto/prysm/v1alpha1/cloners.go

@@ -144,15 +144,17 @@ func copySignedExecutionPayloadBid(header *SignedExecutionPayloadBid) *SignedExe
 	}
 	if header.Message != nil {
 		copied.Message = &ExecutionPayloadBid{
-			ParentBlockHash:        bytesutil.SafeCopyBytes(header.Message.ParentBlockHash),
-			ParentBlockRoot:        bytesutil.SafeCopyBytes(header.Message.ParentBlockRoot),
-			BlockHash:              bytesutil.SafeCopyBytes(header.Message.BlockHash),
-			FeeRecipient:           bytesutil.SafeCopyBytes(header.Message.FeeRecipient),
-			GasLimit:               header.Message.GasLimit,
-			BuilderIndex:           header.Message.BuilderIndex,
-			Slot:                   header.Message.Slot,
-			Value:                  header.Message.Value,
-			BlobKzgCommitmentsRoot: bytesutil.SafeCopyBytes(header.Message.BlobKzgCommitmentsRoot),
+			ParentBlockHash:    bytesutil.SafeCopyBytes(header.Message.ParentBlockHash),
+			ParentBlockRoot:    bytesutil.SafeCopyBytes(header.Message.ParentBlockRoot),
+			BlockHash:          bytesutil.SafeCopyBytes(header.Message.BlockHash),
+			PrevRandao:         bytesutil.SafeCopyBytes(header.Message.PrevRandao),
+			FeeRecipient:       bytesutil.SafeCopyBytes(header.Message.FeeRecipient),
+			GasLimit:           header.Message.GasLimit,
+			BuilderIndex:       header.Message.BuilderIndex,
+			Slot:               header.Message.Slot,
+			Value:              header.Message.Value,
+			ExecutionPayment:   header.Message.ExecutionPayment,
+			BlobKzgCommitments: bytesutil.SafeCopy2dBytes(header.Message.BlobKzgCommitments),
 		}
 	}
 	return copied

proto/prysm/v1alpha1/cloners_test.go

@@ -1215,15 +1215,16 @@ func genSignedExecutionPayloadBidGloas() *v1alpha1.SignedExecutionPayloadBid {
 
 func genExecutionPayloadBidGloas() *v1alpha1.ExecutionPayloadBid {
 	return &v1alpha1.ExecutionPayloadBid{
-		ParentBlockHash:        bytes(32),
-		ParentBlockRoot:        bytes(32),
-		BlockHash:              bytes(32),
-		FeeRecipient:           bytes(20),
-		GasLimit:               rand.Uint64(),
-		BuilderIndex:           primitives.BuilderIndex(rand.Uint64()),
-		Slot:                   primitives.Slot(rand.Uint64()),
-		Value:                  primitives.Gwei(rand.Uint64()),
-		BlobKzgCommitmentsRoot: bytes(32),
+		ParentBlockHash:    bytes(32),
+		ParentBlockRoot:    bytes(32),
+		BlockHash:          bytes(32),
+		FeeRecipient:       bytes(20),
+		GasLimit:           rand.Uint64(),
+		BuilderIndex:       primitives.BuilderIndex(rand.Uint64()),
+		Slot:               primitives.Slot(rand.Uint64()),
+		Value:              primitives.Gwei(rand.Uint64()),
+		ExecutionPayment:   primitives.Gwei(rand.Uint64()),
+		BlobKzgCommitments: [][]byte{bytes(48)},
 	}
 }
 

proto/prysm/v1alpha1/gloas.go

@@ -10,17 +10,17 @@ func (header *ExecutionPayloadBid) Copy() *ExecutionPayloadBid {
 		return nil
 	}
 	return &ExecutionPayloadBid{
-		ParentBlockHash:        bytesutil.SafeCopyBytes(header.ParentBlockHash),
-		ParentBlockRoot:        bytesutil.SafeCopyBytes(header.ParentBlockRoot),
-		BlockHash:              bytesutil.SafeCopyBytes(header.BlockHash),
-		PrevRandao:             bytesutil.SafeCopyBytes(header.PrevRandao),
-		FeeRecipient:           bytesutil.SafeCopyBytes(header.FeeRecipient),
-		GasLimit:               header.GasLimit,
-		BuilderIndex:           header.BuilderIndex,
-		Slot:                   header.Slot,
-		Value:                  header.Value,
-		ExecutionPayment:       header.ExecutionPayment,
-		BlobKzgCommitmentsRoot: bytesutil.SafeCopyBytes(header.BlobKzgCommitmentsRoot),
+		ParentBlockHash:    bytesutil.SafeCopyBytes(header.ParentBlockHash),
+		ParentBlockRoot:    bytesutil.SafeCopyBytes(header.ParentBlockRoot),
+		BlockHash:          bytesutil.SafeCopyBytes(header.BlockHash),
+		PrevRandao:         bytesutil.SafeCopyBytes(header.PrevRandao),
+		FeeRecipient:       bytesutil.SafeCopyBytes(header.FeeRecipient),
+		GasLimit:           header.GasLimit,
+		BuilderIndex:       header.BuilderIndex,
+		Slot:               header.Slot,
+		Value:              header.Value,
+		ExecutionPayment:   header.ExecutionPayment,
+		BlobKzgCommitments: bytesutil.SafeCopy2dBytes(header.BlobKzgCommitments),
 	}
 }
 

proto/prysm/v1alpha1/gloas.proto

@@ -33,7 +33,7 @@ option go_package = "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1;eth";
 //     slot: Slot
 //     value: Gwei
 //     execution_payment: Gwei
-//     blob_kzg_commitments_root: Root
+//     blob_kzg_commitments: List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]
 message ExecutionPayloadBid {
   bytes parent_block_hash = 1 [ (ethereum.eth.ext.ssz_size) = "32" ];
   bytes parent_block_root = 2 [ (ethereum.eth.ext.ssz_size) = "32" ];
@@ -56,7 +56,10 @@ message ExecutionPayloadBid {
     (ethereum.eth.ext.cast_type) =
         "github.com/OffchainLabs/prysm/v7/consensus-types/primitives.Gwei"
   ];
-  bytes blob_kzg_commitments_root = 11 [ (ethereum.eth.ext.ssz_size) = "32" ];
+  repeated bytes blob_kzg_commitments = 11 [
+    (ethereum.eth.ext.ssz_size) = "?,48",
+    (ethereum.eth.ext.ssz_max) = "max_blob_commitments.size"
+  ];
 }
 
 // SignedExecutionPayloadBid wraps an execution payload bid with a signature.
@@ -366,7 +369,6 @@ message BuilderPendingWithdrawal {
 // class DataColumnSidecar(Container):
 //     index: ColumnIndex
 //     column: List[Cell, MAX_BLOB_COMMITMENTS_PER_BLOCK]
-//     kzg_commitents: List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]
 //     kzg_proofs: List[KZGProof, MAX_BLOB_COMMITMENTS_PER_BLOCK]
 //     slot: Slot
 //     beacon_block_root: Root
@@ -376,10 +378,6 @@ message DataColumnSidecarGloas {
     (ethereum.eth.ext.ssz_size) = "?,bytes_per_cell.size",
     (ethereum.eth.ext.ssz_max) = "max_blob_commitments.size"
   ];
-  repeated bytes kzg_commitments = 3 [
-    (ethereum.eth.ext.ssz_size) = "?,48",
-    (ethereum.eth.ext.ssz_max) = "max_blob_commitments.size"
-  ];
   repeated bytes kzg_proofs = 4 [
     (ethereum.eth.ext.ssz_size) = "?,48",
     (ethereum.eth.ext.ssz_max) = "max_blob_commitments.size"
@@ -402,7 +400,6 @@ message DataColumnSidecarGloas {
 //     builder_index: BuilderIndex
 //     beacon_block_root: Root
 //     slot: Slot
-//     blob_kzg_commitments: List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]
 //     state_root: Root
 message ExecutionPayloadEnvelope {
   ethereum.engine.v1.ExecutionPayloadDeneb payload = 1;
@@ -415,11 +412,7 @@ message ExecutionPayloadEnvelope {
     (ethereum.eth.ext.cast_type) =
         "github.com/OffchainLabs/prysm/v7/consensus-types/primitives.Slot"
   ];
-  repeated bytes blob_kzg_commitments = 6 [
-    (ethereum.eth.ext.ssz_size) = "?,48",
-    (ethereum.eth.ext.ssz_max) = "max_blob_commitments.size"
-  ];
-  bytes state_root = 7 [ (ethereum.eth.ext.ssz_size) = "32" ];
+  bytes state_root = 6 [ (ethereum.eth.ext.ssz_size) = "32" ];
 }
 
 // SignedExecutionPayloadEnvelope wraps an execution payload envelope with a signature.

proto/prysm/v1alpha1/gloas.ssz.go

@@ -15,6 +15,7 @@ func (e *ExecutionPayloadBid) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the ExecutionPayloadBid object to a target array
 func (e *ExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
+	offset := int(192)
 
 	// Field (0) 'ParentBlockHash'
 	if size := len(e.ParentBlockHash); size != 32 {
@@ -66,12 +67,22 @@ func (e *ExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	// Field (9) 'ExecutionPayment'
 	dst = ssz.MarshalUint64(dst, uint64(e.ExecutionPayment))
 
-	// Field (10) 'BlobKzgCommitmentsRoot'
-	if size := len(e.BlobKzgCommitmentsRoot); size != 32 {
-		err = ssz.ErrBytesLengthFn("--.BlobKzgCommitmentsRoot", size, 32)
+	// Offset (10) 'BlobKzgCommitments'
+	dst = ssz.WriteOffset(dst, offset)
+	offset += len(e.BlobKzgCommitments) * 48
+
+	// Field (10) 'BlobKzgCommitments'
+	if size := len(e.BlobKzgCommitments); size > 4096 {
+		err = ssz.ErrListTooBigFn("--.BlobKzgCommitments", size, 4096)
 		return
 	}
-	dst = append(dst, e.BlobKzgCommitmentsRoot...)
+	for ii := 0; ii < len(e.BlobKzgCommitments); ii++ {
+		if size := len(e.BlobKzgCommitments[ii]); size != 48 {
+			err = ssz.ErrBytesLengthFn("--.BlobKzgCommitments[ii]", size, 48)
+			return
+		}
+		dst = append(dst, e.BlobKzgCommitments[ii]...)
+	}
 
 	return
 }
@@ -80,10 +91,13 @@ func (e *ExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 func (e *ExecutionPayloadBid) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size != 220 {
+	if size < 192 {
 		return ssz.ErrSize
 	}
 
+	tail := buf
+	var o10 uint64
+
 	// Field (0) 'ParentBlockHash'
 	if cap(e.ParentBlockHash) == 0 {
 		e.ParentBlockHash = make([]byte, 0, len(buf[0:32]))
@@ -129,18 +143,40 @@ func (e *ExecutionPayloadBid) UnmarshalSSZ(buf []byte) error {
 	// Field (9) 'ExecutionPayment'
 	e.ExecutionPayment = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[180:188]))
 
-	// Field (10) 'BlobKzgCommitmentsRoot'
-	if cap(e.BlobKzgCommitmentsRoot) == 0 {
-		e.BlobKzgCommitmentsRoot = make([]byte, 0, len(buf[188:220]))
+	// Offset (10) 'BlobKzgCommitments'
+	if o10 = ssz.ReadOffset(buf[188:192]); o10 > size {
+		return ssz.ErrOffset
 	}
-	e.BlobKzgCommitmentsRoot = append(e.BlobKzgCommitmentsRoot, buf[188:220]...)
 
+	if o10 != 192 {
+		return ssz.ErrInvalidVariableOffset
+	}
+
+	// Field (10) 'BlobKzgCommitments'
+	{
+		buf = tail[o10:]
+		num, err := ssz.DivideInt2(len(buf), 48, 4096)
+		if err != nil {
+			return err
+		}
+		e.BlobKzgCommitments = make([][]byte, num)
+		for ii := 0; ii < num; ii++ {
+			if cap(e.BlobKzgCommitments[ii]) == 0 {
+				e.BlobKzgCommitments[ii] = make([]byte, 0, len(buf[ii*48:(ii+1)*48]))
+			}
+			e.BlobKzgCommitments[ii] = append(e.BlobKzgCommitments[ii], buf[ii*48:(ii+1)*48]...)
+		}
+	}
 	return err
 }
 
 // SizeSSZ returns the ssz encoded size in bytes for the ExecutionPayloadBid object
 func (e *ExecutionPayloadBid) SizeSSZ() (size int) {
-	size = 220
+	size = 192
+
+	// Field (10) 'BlobKzgCommitments'
+	size += len(e.BlobKzgCommitments) * 48
+
 	return
 }
 
@@ -203,12 +239,24 @@ func (e *ExecutionPayloadBid) HashTreeRootWith(hh *ssz.Hasher) (err error) {
 	// Field (9) 'ExecutionPayment'
 	hh.PutUint64(uint64(e.ExecutionPayment))
 
-	// Field (10) 'BlobKzgCommitmentsRoot'
-	if size := len(e.BlobKzgCommitmentsRoot); size != 32 {
-		err = ssz.ErrBytesLengthFn("--.BlobKzgCommitmentsRoot", size, 32)
-		return
+	// Field (10) 'BlobKzgCommitments'
+	{
+		if size := len(e.BlobKzgCommitments); size > 4096 {
+			err = ssz.ErrListTooBigFn("--.BlobKzgCommitments", size, 4096)
+			return
+		}
+		subIndx := hh.Index()
+		for _, i := range e.BlobKzgCommitments {
+			if len(i) != 48 {
+				err = ssz.ErrBytesLength
+				return
+			}
+			hh.PutBytes(i)
+		}
+
+		numItems := uint64(len(e.BlobKzgCommitments))
+		hh.MerkleizeWithMixin(subIndx, numItems, 4096)
 	}
-	hh.PutBytes(e.BlobKzgCommitmentsRoot)
 
 	hh.Merkleize(indx)
 	return
@@ -222,14 +270,14 @@ func (s *SignedExecutionPayloadBid) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the SignedExecutionPayloadBid object to a target array
 func (s *SignedExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
+	offset := int(100)
 
-	// Field (0) 'Message'
+	// Offset (0) 'Message'
+	dst = ssz.WriteOffset(dst, offset)
 	if s.Message == nil {
 		s.Message = new(ExecutionPayloadBid)
 	}
-	if dst, err = s.Message.MarshalSSZTo(dst); err != nil {
-		return
-	}
+	offset += s.Message.SizeSSZ()
 
 	// Field (1) 'Signature'
 	if size := len(s.Signature); size != 96 {
@@ -238,6 +286,11 @@ func (s *SignedExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err er
 	}
 	dst = append(dst, s.Signature...)
 
+	// Field (0) 'Message'
+	if dst, err = s.Message.MarshalSSZTo(dst); err != nil {
+		return
+	}
+
 	return
 }
 
@@ -245,30 +298,51 @@ func (s *SignedExecutionPayloadBid) MarshalSSZTo(buf []byte) (dst []byte, err er
 func (s *SignedExecutionPayloadBid) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size != 316 {
+	if size < 100 {
 		return ssz.ErrSize
 	}
 
-	// Field (0) 'Message'
-	if s.Message == nil {
-		s.Message = new(ExecutionPayloadBid)
+	tail := buf
+	var o0 uint64
+
+	// Offset (0) 'Message'
+	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
+		return ssz.ErrOffset
 	}
-	if err = s.Message.UnmarshalSSZ(buf[0:220]); err != nil {
-		return err
+
+	if o0 != 100 {
+		return ssz.ErrInvalidVariableOffset
 	}
 
 	// Field (1) 'Signature'
 	if cap(s.Signature) == 0 {
-		s.Signature = make([]byte, 0, len(buf[220:316]))
+		s.Signature = make([]byte, 0, len(buf[4:100]))
 	}
-	s.Signature = append(s.Signature, buf[220:316]...)
+	s.Signature = append(s.Signature, buf[4:100]...)
 
+	// Field (0) 'Message'
+	{
+		buf = tail[o0:]
+		if s.Message == nil {
+			s.Message = new(ExecutionPayloadBid)
+		}
+		if err = s.Message.UnmarshalSSZ(buf); err != nil {
+			return err
+		}
+	}
 	return err
 }
 
 // SizeSSZ returns the ssz encoded size in bytes for the SignedExecutionPayloadBid object
 func (s *SignedExecutionPayloadBid) SizeSSZ() (size int) {
-	size = 316
+	size = 100
+
+	// Field (0) 'Message'
+	if s.Message == nil {
+		s.Message = new(ExecutionPayloadBid)
+	}
+	size += s.Message.SizeSSZ()
+
 	return
 }
 
@@ -742,7 +816,7 @@ func (b *BeaconBlockBodyGloas) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the BeaconBlockBodyGloas object to a target array
 func (b *BeaconBlockBodyGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
-	offset := int(704)
+	offset := int(392)
 
 	// Field (0) 'RandaoReveal'
 	if size := len(b.RandaoReveal); size != 96 {
@@ -804,13 +878,12 @@ func (b *BeaconBlockBodyGloas) MarshalSSZTo(buf []byte) (dst []byte, err error)
 	dst = ssz.WriteOffset(dst, offset)
 	offset += len(b.BlsToExecutionChanges) * 172
 
-	// Field (10) 'SignedExecutionPayloadBid'
+	// Offset (10) 'SignedExecutionPayloadBid'
+	dst = ssz.WriteOffset(dst, offset)
 	if b.SignedExecutionPayloadBid == nil {
 		b.SignedExecutionPayloadBid = new(SignedExecutionPayloadBid)
 	}
-	if dst, err = b.SignedExecutionPayloadBid.MarshalSSZTo(dst); err != nil {
-		return
-	}
+	offset += b.SignedExecutionPayloadBid.SizeSSZ()
 
 	// Offset (11) 'PayloadAttestations'
 	dst = ssz.WriteOffset(dst, offset)
@@ -896,6 +969,11 @@ func (b *BeaconBlockBodyGloas) MarshalSSZTo(buf []byte) (dst []byte, err error)
 		}
 	}
 
+	// Field (10) 'SignedExecutionPayloadBid'
+	if dst, err = b.SignedExecutionPayloadBid.MarshalSSZTo(dst); err != nil {
+		return
+	}
+
 	// Field (11) 'PayloadAttestations'
 	if size := len(b.PayloadAttestations); size > 4 {
 		err = ssz.ErrListTooBigFn("--.PayloadAttestations", size, 4)
@@ -914,12 +992,12 @@ func (b *BeaconBlockBodyGloas) MarshalSSZTo(buf []byte) (dst []byte, err error)
 func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size < 704 {
+	if size < 392 {
 		return ssz.ErrSize
 	}
 
 	tail := buf
-	var o3, o4, o5, o6, o7, o9, o11 uint64
+	var o3, o4, o5, o6, o7, o9, o10, o11 uint64
 
 	// Field (0) 'RandaoReveal'
 	if cap(b.RandaoReveal) == 0 {
@@ -946,7 +1024,7 @@ func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 		return ssz.ErrOffset
 	}
 
-	if o3 != 704 {
+	if o3 != 392 {
 		return ssz.ErrInvalidVariableOffset
 	}
 
@@ -983,16 +1061,13 @@ func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 		return ssz.ErrOffset
 	}
 
-	// Field (10) 'SignedExecutionPayloadBid'
-	if b.SignedExecutionPayloadBid == nil {
-		b.SignedExecutionPayloadBid = new(SignedExecutionPayloadBid)
-	}
-	if err = b.SignedExecutionPayloadBid.UnmarshalSSZ(buf[384:700]); err != nil {
-		return err
+	// Offset (10) 'SignedExecutionPayloadBid'
+	if o10 = ssz.ReadOffset(buf[384:388]); o10 > size || o9 > o10 {
+		return ssz.ErrOffset
 	}
 
 	// Offset (11) 'PayloadAttestations'
-	if o11 = ssz.ReadOffset(buf[700:704]); o11 > size || o9 > o11 {
+	if o11 = ssz.ReadOffset(buf[388:392]); o11 > size || o10 > o11 {
 		return ssz.ErrOffset
 	}
 
@@ -1096,7 +1171,7 @@ func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 
 	// Field (9) 'BlsToExecutionChanges'
 	{
-		buf = tail[o9:o11]
+		buf = tail[o9:o10]
 		num, err := ssz.DivideInt2(len(buf), 172, 16)
 		if err != nil {
 			return err
@@ -1112,6 +1187,17 @@ func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 		}
 	}
 
+	// Field (10) 'SignedExecutionPayloadBid'
+	{
+		buf = tail[o10:o11]
+		if b.SignedExecutionPayloadBid == nil {
+			b.SignedExecutionPayloadBid = new(SignedExecutionPayloadBid)
+		}
+		if err = b.SignedExecutionPayloadBid.UnmarshalSSZ(buf); err != nil {
+			return err
+		}
+	}
+
 	// Field (11) 'PayloadAttestations'
 	{
 		buf = tail[o11:]
@@ -1134,7 +1220,7 @@ func (b *BeaconBlockBodyGloas) UnmarshalSSZ(buf []byte) error {
 
 // SizeSSZ returns the ssz encoded size in bytes for the BeaconBlockBodyGloas object
 func (b *BeaconBlockBodyGloas) SizeSSZ() (size int) {
-	size = 704
+	size = 392
 
 	// Field (3) 'ProposerSlashings'
 	size += len(b.ProposerSlashings) * 416
@@ -1160,6 +1246,12 @@ func (b *BeaconBlockBodyGloas) SizeSSZ() (size int) {
 	// Field (9) 'BlsToExecutionChanges'
 	size += len(b.BlsToExecutionChanges) * 172
 
+	// Field (10) 'SignedExecutionPayloadBid'
+	if b.SignedExecutionPayloadBid == nil {
+		b.SignedExecutionPayloadBid = new(SignedExecutionPayloadBid)
+	}
+	size += b.SignedExecutionPayloadBid.SizeSSZ()
+
 	// Field (11) 'PayloadAttestations'
 	size += len(b.PayloadAttestations) * 202
 
@@ -1437,7 +1529,7 @@ func (b *BeaconStateGloas) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the BeaconStateGloas object to a target array
 func (b *BeaconStateGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
-	offset := int(2741333)
+	offset := int(2741117)
 
 	// Field (0) 'GenesisTime'
 	dst = ssz.MarshalUint64(dst, b.GenesisTime)
@@ -1602,13 +1694,12 @@ func (b *BeaconStateGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 		return
 	}
 
-	// Field (24) 'LatestExecutionPayloadBid'
+	// Offset (24) 'LatestExecutionPayloadBid'
+	dst = ssz.WriteOffset(dst, offset)
 	if b.LatestExecutionPayloadBid == nil {
 		b.LatestExecutionPayloadBid = new(ExecutionPayloadBid)
 	}
-	if dst, err = b.LatestExecutionPayloadBid.MarshalSSZTo(dst); err != nil {
-		return
-	}
+	offset += b.LatestExecutionPayloadBid.SizeSSZ()
 
 	// Field (25) 'NextWithdrawalIndex'
 	dst = ssz.MarshalUint64(dst, b.NextWithdrawalIndex)
@@ -1766,6 +1857,11 @@ func (b *BeaconStateGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 		dst = ssz.MarshalUint64(dst, b.InactivityScores[ii])
 	}
 
+	// Field (24) 'LatestExecutionPayloadBid'
+	if dst, err = b.LatestExecutionPayloadBid.MarshalSSZTo(dst); err != nil {
+		return
+	}
+
 	// Field (27) 'HistoricalSummaries'
 	if size := len(b.HistoricalSummaries); size > 16777216 {
 		err = ssz.ErrListTooBigFn("--.HistoricalSummaries", size, 16777216)
@@ -1850,12 +1946,12 @@ func (b *BeaconStateGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size < 2741333 {
+	if size < 2741117 {
 		return ssz.ErrSize
 	}
 
 	tail := buf
-	var o7, o9, o11, o12, o15, o16, o21, o27, o34, o35, o36, o38, o42, o44 uint64
+	var o7, o9, o11, o12, o15, o16, o21, o24, o27, o34, o35, o36, o38, o42, o44 uint64
 
 	// Field (0) 'GenesisTime'
 	b.GenesisTime = ssz.UnmarshallUint64(buf[0:8])
@@ -1908,7 +2004,7 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 		return ssz.ErrOffset
 	}
 
-	if o7 != 2741333 {
+	if o7 != 2741117 {
 		return ssz.ErrInvalidVariableOffset
 	}
 
@@ -2014,77 +2110,74 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 		return err
 	}
 
-	// Field (24) 'LatestExecutionPayloadBid'
-	if b.LatestExecutionPayloadBid == nil {
-		b.LatestExecutionPayloadBid = new(ExecutionPayloadBid)
-	}
-	if err = b.LatestExecutionPayloadBid.UnmarshalSSZ(buf[2736629:2736849]); err != nil {
-		return err
+	// Offset (24) 'LatestExecutionPayloadBid'
+	if o24 = ssz.ReadOffset(buf[2736629:2736633]); o24 > size || o21 > o24 {
+		return ssz.ErrOffset
 	}
 
 	// Field (25) 'NextWithdrawalIndex'
-	b.NextWithdrawalIndex = ssz.UnmarshallUint64(buf[2736849:2736857])
+	b.NextWithdrawalIndex = ssz.UnmarshallUint64(buf[2736633:2736641])
 
 	// Field (26) 'NextWithdrawalValidatorIndex'
-	b.NextWithdrawalValidatorIndex = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.ValidatorIndex(ssz.UnmarshallUint64(buf[2736857:2736865]))
+	b.NextWithdrawalValidatorIndex = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.ValidatorIndex(ssz.UnmarshallUint64(buf[2736641:2736649]))
 
 	// Offset (27) 'HistoricalSummaries'
-	if o27 = ssz.ReadOffset(buf[2736865:2736869]); o27 > size || o21 > o27 {
+	if o27 = ssz.ReadOffset(buf[2736649:2736653]); o27 > size || o24 > o27 {
 		return ssz.ErrOffset
 	}
 
 	// Field (28) 'DepositRequestsStartIndex'
-	b.DepositRequestsStartIndex = ssz.UnmarshallUint64(buf[2736869:2736877])
+	b.DepositRequestsStartIndex = ssz.UnmarshallUint64(buf[2736653:2736661])
 
 	// Field (29) 'DepositBalanceToConsume'
-	b.DepositBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736877:2736885]))
+	b.DepositBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736661:2736669]))
 
 	// Field (30) 'ExitBalanceToConsume'
-	b.ExitBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736885:2736893]))
+	b.ExitBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736669:2736677]))
 
 	// Field (31) 'EarliestExitEpoch'
-	b.EarliestExitEpoch = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Epoch(ssz.UnmarshallUint64(buf[2736893:2736901]))
+	b.EarliestExitEpoch = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Epoch(ssz.UnmarshallUint64(buf[2736677:2736685]))
 
 	// Field (32) 'ConsolidationBalanceToConsume'
-	b.ConsolidationBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736901:2736909]))
+	b.ConsolidationBalanceToConsume = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Gwei(ssz.UnmarshallUint64(buf[2736685:2736693]))
 
 	// Field (33) 'EarliestConsolidationEpoch'
-	b.EarliestConsolidationEpoch = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Epoch(ssz.UnmarshallUint64(buf[2736909:2736917]))
+	b.EarliestConsolidationEpoch = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Epoch(ssz.UnmarshallUint64(buf[2736693:2736701]))
 
 	// Offset (34) 'PendingDeposits'
-	if o34 = ssz.ReadOffset(buf[2736917:2736921]); o34 > size || o27 > o34 {
+	if o34 = ssz.ReadOffset(buf[2736701:2736705]); o34 > size || o27 > o34 {
 		return ssz.ErrOffset
 	}
 
 	// Offset (35) 'PendingPartialWithdrawals'
-	if o35 = ssz.ReadOffset(buf[2736921:2736925]); o35 > size || o34 > o35 {
+	if o35 = ssz.ReadOffset(buf[2736705:2736709]); o35 > size || o34 > o35 {
 		return ssz.ErrOffset
 	}
 
 	// Offset (36) 'PendingConsolidations'
-	if o36 = ssz.ReadOffset(buf[2736925:2736929]); o36 > size || o35 > o36 {
+	if o36 = ssz.ReadOffset(buf[2736709:2736713]); o36 > size || o35 > o36 {
 		return ssz.ErrOffset
 	}
 
 	// Field (37) 'ProposerLookahead'
 	b.ProposerLookahead = ssz.ExtendUint64(b.ProposerLookahead, 64)
 	for ii := 0; ii < 64; ii++ {
-		b.ProposerLookahead[ii] = ssz.UnmarshallUint64(buf[2736929:2737441][ii*8 : (ii+1)*8])
+		b.ProposerLookahead[ii] = ssz.UnmarshallUint64(buf[2736713:2737225][ii*8 : (ii+1)*8])
 	}
 
 	// Offset (38) 'Builders'
-	if o38 = ssz.ReadOffset(buf[2737441:2737445]); o38 > size || o36 > o38 {
+	if o38 = ssz.ReadOffset(buf[2737225:2737229]); o38 > size || o36 > o38 {
 		return ssz.ErrOffset
 	}
 
 	// Field (39) 'NextWithdrawalBuilderIndex'
-	b.NextWithdrawalBuilderIndex = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.BuilderIndex(ssz.UnmarshallUint64(buf[2737445:2737453]))
+	b.NextWithdrawalBuilderIndex = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.BuilderIndex(ssz.UnmarshallUint64(buf[2737229:2737237]))
 
 	// Field (40) 'ExecutionPayloadAvailability'
 	if cap(b.ExecutionPayloadAvailability) == 0 {
-		b.ExecutionPayloadAvailability = make([]byte, 0, len(buf[2737453:2738477]))
+		b.ExecutionPayloadAvailability = make([]byte, 0, len(buf[2737237:2738261]))
 	}
-	b.ExecutionPayloadAvailability = append(b.ExecutionPayloadAvailability, buf[2737453:2738477]...)
+	b.ExecutionPayloadAvailability = append(b.ExecutionPayloadAvailability, buf[2737237:2738261]...)
 
 	// Field (41) 'BuilderPendingPayments'
 	b.BuilderPendingPayments = make([]*BuilderPendingPayment, 64)
@@ -2092,24 +2185,24 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 		if b.BuilderPendingPayments[ii] == nil {
 			b.BuilderPendingPayments[ii] = new(BuilderPendingPayment)
 		}
-		if err = b.BuilderPendingPayments[ii].UnmarshalSSZ(buf[2738477:2741293][ii*44 : (ii+1)*44]); err != nil {
+		if err = b.BuilderPendingPayments[ii].UnmarshalSSZ(buf[2738261:2741077][ii*44 : (ii+1)*44]); err != nil {
 			return err
 		}
 	}
 
 	// Offset (42) 'BuilderPendingWithdrawals'
-	if o42 = ssz.ReadOffset(buf[2741293:2741297]); o42 > size || o38 > o42 {
+	if o42 = ssz.ReadOffset(buf[2741077:2741081]); o42 > size || o38 > o42 {
 		return ssz.ErrOffset
 	}
 
 	// Field (43) 'LatestBlockHash'
 	if cap(b.LatestBlockHash) == 0 {
-		b.LatestBlockHash = make([]byte, 0, len(buf[2741297:2741329]))
+		b.LatestBlockHash = make([]byte, 0, len(buf[2741081:2741113]))
 	}
-	b.LatestBlockHash = append(b.LatestBlockHash, buf[2741297:2741329]...)
+	b.LatestBlockHash = append(b.LatestBlockHash, buf[2741081:2741113]...)
 
 	// Offset (44) 'PayloadExpectedWithdrawals'
-	if o44 = ssz.ReadOffset(buf[2741329:2741333]); o44 > size || o42 > o44 {
+	if o44 = ssz.ReadOffset(buf[2741113:2741117]); o44 > size || o42 > o44 {
 		return ssz.ErrOffset
 	}
 
@@ -2204,7 +2297,7 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 
 	// Field (21) 'InactivityScores'
 	{
-		buf = tail[o21:o27]
+		buf = tail[o21:o24]
 		num, err := ssz.DivideInt2(len(buf), 8, 1099511627776)
 		if err != nil {
 			return err
@@ -2215,6 +2308,17 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 		}
 	}
 
+	// Field (24) 'LatestExecutionPayloadBid'
+	{
+		buf = tail[o24:o27]
+		if b.LatestExecutionPayloadBid == nil {
+			b.LatestExecutionPayloadBid = new(ExecutionPayloadBid)
+		}
+		if err = b.LatestExecutionPayloadBid.UnmarshalSSZ(buf); err != nil {
+			return err
+		}
+	}
+
 	// Field (27) 'HistoricalSummaries'
 	{
 		buf = tail[o27:o34]
@@ -2345,7 +2449,7 @@ func (b *BeaconStateGloas) UnmarshalSSZ(buf []byte) error {
 
 // SizeSSZ returns the ssz encoded size in bytes for the BeaconStateGloas object
 func (b *BeaconStateGloas) SizeSSZ() (size int) {
-	size = 2741333
+	size = 2741117
 
 	// Field (7) 'HistoricalRoots'
 	size += len(b.HistoricalRoots) * 32
@@ -2368,6 +2472,12 @@ func (b *BeaconStateGloas) SizeSSZ() (size int) {
 	// Field (21) 'InactivityScores'
 	size += len(b.InactivityScores) * 8
 
+	// Field (24) 'LatestExecutionPayloadBid'
+	if b.LatestExecutionPayloadBid == nil {
+		b.LatestExecutionPayloadBid = new(ExecutionPayloadBid)
+	}
+	size += b.LatestExecutionPayloadBid.SizeSSZ()
+
 	// Field (27) 'HistoricalSummaries'
 	size += len(b.HistoricalSummaries) * 64
 
@@ -2981,7 +3091,7 @@ func (d *DataColumnSidecarGloas) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the DataColumnSidecarGloas object to a target array
 func (d *DataColumnSidecarGloas) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
-	offset := int(60)
+	offset := int(56)
 
 	// Field (0) 'Index'
 	dst = ssz.MarshalUint64(dst, d.Index)
@@ -2990,18 +3100,14 @@ func (d *DataColumnSidecarGloas) MarshalSSZTo(buf []byte) (dst []byte, err error
 	dst = ssz.WriteOffset(dst, offset)
 	offset += len(d.Column) * 2048
 
-	// Offset (2) 'KzgCommitments'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(d.KzgCommitments) * 48
-
-	// Offset (3) 'KzgProofs'
+	// Offset (2) 'KzgProofs'
 	dst = ssz.WriteOffset(dst, offset)
 	offset += len(d.KzgProofs) * 48
 
-	// Field (4) 'Slot'
+	// Field (3) 'Slot'
 	dst = ssz.MarshalUint64(dst, uint64(d.Slot))
 
-	// Field (5) 'BeaconBlockRoot'
+	// Field (4) 'BeaconBlockRoot'
 	if size := len(d.BeaconBlockRoot); size != 32 {
 		err = ssz.ErrBytesLengthFn("--.BeaconBlockRoot", size, 32)
 		return
@@ -3021,20 +3127,7 @@ func (d *DataColumnSidecarGloas) MarshalSSZTo(buf []byte) (dst []byte, err error
 		dst = append(dst, d.Column[ii]...)
 	}
 
-	// Field (2) 'KzgCommitments'
-	if size := len(d.KzgCommitments); size > 4096 {
-		err = ssz.ErrListTooBigFn("--.KzgCommitments", size, 4096)
-		return
-	}
-	for ii := 0; ii < len(d.KzgCommitments); ii++ {
-		if size := len(d.KzgCommitments[ii]); size != 48 {
-			err = ssz.ErrBytesLengthFn("--.KzgCommitments[ii]", size, 48)
-			return
-		}
-		dst = append(dst, d.KzgCommitments[ii]...)
-	}
-
-	// Field (3) 'KzgProofs'
+	// Field (2) 'KzgProofs'
 	if size := len(d.KzgProofs); size > 4096 {
 		err = ssz.ErrListTooBigFn("--.KzgProofs", size, 4096)
 		return
@@ -3054,12 +3147,12 @@ func (d *DataColumnSidecarGloas) MarshalSSZTo(buf []byte) (dst []byte, err error
 func (d *DataColumnSidecarGloas) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size < 60 {
+	if size < 56 {
 		return ssz.ErrSize
 	}
 
 	tail := buf
-	var o1, o2, o3 uint64
+	var o1, o2 uint64
 
 	// Field (0) 'Index'
 	d.Index = ssz.UnmarshallUint64(buf[0:8])
@@ -3069,28 +3162,23 @@ func (d *DataColumnSidecarGloas) UnmarshalSSZ(buf []byte) error {
 		return ssz.ErrOffset
 	}
 
-	if o1 != 60 {
+	if o1 != 56 {
 		return ssz.ErrInvalidVariableOffset
 	}
 
-	// Offset (2) 'KzgCommitments'
+	// Offset (2) 'KzgProofs'
 	if o2 = ssz.ReadOffset(buf[12:16]); o2 > size || o1 > o2 {
 		return ssz.ErrOffset
 	}
 
-	// Offset (3) 'KzgProofs'
-	if o3 = ssz.ReadOffset(buf[16:20]); o3 > size || o2 > o3 {
-		return ssz.ErrOffset
-	}
+	// Field (3) 'Slot'
+	d.Slot = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Slot(ssz.UnmarshallUint64(buf[16:24]))
 
-	// Field (4) 'Slot'
-	d.Slot = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Slot(ssz.UnmarshallUint64(buf[20:28]))
-
-	// Field (5) 'BeaconBlockRoot'
+	// Field (4) 'BeaconBlockRoot'
 	if cap(d.BeaconBlockRoot) == 0 {
-		d.BeaconBlockRoot = make([]byte, 0, len(buf[28:60]))
+		d.BeaconBlockRoot = make([]byte, 0, len(buf[24:56]))
 	}
-	d.BeaconBlockRoot = append(d.BeaconBlockRoot, buf[28:60]...)
+	d.BeaconBlockRoot = append(d.BeaconBlockRoot, buf[24:56]...)
 
 	// Field (1) 'Column'
 	{
@@ -3108,25 +3196,9 @@ func (d *DataColumnSidecarGloas) UnmarshalSSZ(buf []byte) error {
 		}
 	}
 
-	// Field (2) 'KzgCommitments'
+	// Field (2) 'KzgProofs'
 	{
-		buf = tail[o2:o3]
-		num, err := ssz.DivideInt2(len(buf), 48, 4096)
-		if err != nil {
-			return err
-		}
-		d.KzgCommitments = make([][]byte, num)
-		for ii := 0; ii < num; ii++ {
-			if cap(d.KzgCommitments[ii]) == 0 {
-				d.KzgCommitments[ii] = make([]byte, 0, len(buf[ii*48:(ii+1)*48]))
-			}
-			d.KzgCommitments[ii] = append(d.KzgCommitments[ii], buf[ii*48:(ii+1)*48]...)
-		}
-	}
-
-	// Field (3) 'KzgProofs'
-	{
-		buf = tail[o3:]
+		buf = tail[o2:]
 		num, err := ssz.DivideInt2(len(buf), 48, 4096)
 		if err != nil {
 			return err
@@ -3144,15 +3216,12 @@ func (d *DataColumnSidecarGloas) UnmarshalSSZ(buf []byte) error {
 
 // SizeSSZ returns the ssz encoded size in bytes for the DataColumnSidecarGloas object
 func (d *DataColumnSidecarGloas) SizeSSZ() (size int) {
-	size = 60
+	size = 56
 
 	// Field (1) 'Column'
 	size += len(d.Column) * 2048
 
-	// Field (2) 'KzgCommitments'
-	size += len(d.KzgCommitments) * 48
-
-	// Field (3) 'KzgProofs'
+	// Field (2) 'KzgProofs'
 	size += len(d.KzgProofs) * 48
 
 	return
@@ -3189,26 +3258,7 @@ func (d *DataColumnSidecarGloas) HashTreeRootWith(hh *ssz.Hasher) (err error) {
 		hh.MerkleizeWithMixin(subIndx, numItems, 4096)
 	}
 
-	// Field (2) 'KzgCommitments'
-	{
-		if size := len(d.KzgCommitments); size > 4096 {
-			err = ssz.ErrListTooBigFn("--.KzgCommitments", size, 4096)
-			return
-		}
-		subIndx := hh.Index()
-		for _, i := range d.KzgCommitments {
-			if len(i) != 48 {
-				err = ssz.ErrBytesLength
-				return
-			}
-			hh.PutBytes(i)
-		}
-
-		numItems := uint64(len(d.KzgCommitments))
-		hh.MerkleizeWithMixin(subIndx, numItems, 4096)
-	}
-
-	// Field (3) 'KzgProofs'
+	// Field (2) 'KzgProofs'
 	{
 		if size := len(d.KzgProofs); size > 4096 {
 			err = ssz.ErrListTooBigFn("--.KzgProofs", size, 4096)
@@ -3227,10 +3277,10 @@ func (d *DataColumnSidecarGloas) HashTreeRootWith(hh *ssz.Hasher) (err error) {
 		hh.MerkleizeWithMixin(subIndx, numItems, 4096)
 	}
 
-	// Field (4) 'Slot'
+	// Field (3) 'Slot'
 	hh.PutUint64(uint64(d.Slot))
 
-	// Field (5) 'BeaconBlockRoot'
+	// Field (4) 'BeaconBlockRoot'
 	if size := len(d.BeaconBlockRoot); size != 32 {
 		err = ssz.ErrBytesLengthFn("--.BeaconBlockRoot", size, 32)
 		return
@@ -3249,7 +3299,7 @@ func (e *ExecutionPayloadEnvelope) MarshalSSZ() ([]byte, error) {
 // MarshalSSZTo ssz marshals the ExecutionPayloadEnvelope object to a target array
 func (e *ExecutionPayloadEnvelope) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
-	offset := int(92)
+	offset := int(88)
 
 	// Offset (0) 'Payload'
 	dst = ssz.WriteOffset(dst, offset)
@@ -3278,11 +3328,7 @@ func (e *ExecutionPayloadEnvelope) MarshalSSZTo(buf []byte) (dst []byte, err err
 	// Field (4) 'Slot'
 	dst = ssz.MarshalUint64(dst, uint64(e.Slot))
 
-	// Offset (5) 'BlobKzgCommitments'
-	dst = ssz.WriteOffset(dst, offset)
-	offset += len(e.BlobKzgCommitments) * 48
-
-	// Field (6) 'StateRoot'
+	// Field (5) 'StateRoot'
 	if size := len(e.StateRoot); size != 32 {
 		err = ssz.ErrBytesLengthFn("--.StateRoot", size, 32)
 		return
@@ -3299,19 +3345,6 @@ func (e *ExecutionPayloadEnvelope) MarshalSSZTo(buf []byte) (dst []byte, err err
 		return
 	}
 
-	// Field (5) 'BlobKzgCommitments'
-	if size := len(e.BlobKzgCommitments); size > 4096 {
-		err = ssz.ErrListTooBigFn("--.BlobKzgCommitments", size, 4096)
-		return
-	}
-	for ii := 0; ii < len(e.BlobKzgCommitments); ii++ {
-		if size := len(e.BlobKzgCommitments[ii]); size != 48 {
-			err = ssz.ErrBytesLengthFn("--.BlobKzgCommitments[ii]", size, 48)
-			return
-		}
-		dst = append(dst, e.BlobKzgCommitments[ii]...)
-	}
-
 	return
 }
 
@@ -3319,19 +3352,19 @@ func (e *ExecutionPayloadEnvelope) MarshalSSZTo(buf []byte) (dst []byte, err err
 func (e *ExecutionPayloadEnvelope) UnmarshalSSZ(buf []byte) error {
 	var err error
 	size := uint64(len(buf))
-	if size < 92 {
+	if size < 88 {
 		return ssz.ErrSize
 	}
 
 	tail := buf
-	var o0, o1, o5 uint64
+	var o0, o1 uint64
 
 	// Offset (0) 'Payload'
 	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
 		return ssz.ErrOffset
 	}
 
-	if o0 != 92 {
+	if o0 != 88 {
 		return ssz.ErrInvalidVariableOffset
 	}
 
@@ -3352,16 +3385,11 @@ func (e *ExecutionPayloadEnvelope) UnmarshalSSZ(buf []byte) error {
 	// Field (4) 'Slot'
 	e.Slot = github_com_OffchainLabs_prysm_v7_consensus_types_primitives.Slot(ssz.UnmarshallUint64(buf[48:56]))
 
-	// Offset (5) 'BlobKzgCommitments'
-	if o5 = ssz.ReadOffset(buf[56:60]); o5 > size || o1 > o5 {
-		return ssz.ErrOffset
-	}
-
-	// Field (6) 'StateRoot'
+	// Field (5) 'StateRoot'
 	if cap(e.StateRoot) == 0 {
-		e.StateRoot = make([]byte, 0, len(buf[60:92]))
+		e.StateRoot = make([]byte, 0, len(buf[56:88]))
 	}
-	e.StateRoot = append(e.StateRoot, buf[60:92]...)
+	e.StateRoot = append(e.StateRoot, buf[56:88]...)
 
 	// Field (0) 'Payload'
 	{
@@ -3376,7 +3404,7 @@ func (e *ExecutionPayloadEnvelope) UnmarshalSSZ(buf []byte) error {
 
 	// Field (1) 'ExecutionRequests'
 	{
-		buf = tail[o1:o5]
+		buf = tail[o1:]
 		if e.ExecutionRequests == nil {
 			e.ExecutionRequests = new(v1.ExecutionRequests)
 		}
@@ -3384,28 +3412,12 @@ func (e *ExecutionPayloadEnvelope) UnmarshalSSZ(buf []byte) error {
 			return err
 		}
 	}
-
-	// Field (5) 'BlobKzgCommitments'
-	{
-		buf = tail[o5:]
-		num, err := ssz.DivideInt2(len(buf), 48, 4096)
-		if err != nil {
-			return err
-		}
-		e.BlobKzgCommitments = make([][]byte, num)
-		for ii := 0; ii < num; ii++ {
-			if cap(e.BlobKzgCommitments[ii]) == 0 {
-				e.BlobKzgCommitments[ii] = make([]byte, 0, len(buf[ii*48:(ii+1)*48]))
-			}
-			e.BlobKzgCommitments[ii] = append(e.BlobKzgCommitments[ii], buf[ii*48:(ii+1)*48]...)
-		}
-	}
 	return err
 }
 
 // SizeSSZ returns the ssz encoded size in bytes for the ExecutionPayloadEnvelope object
 func (e *ExecutionPayloadEnvelope) SizeSSZ() (size int) {
-	size = 92
+	size = 88
 
 	// Field (0) 'Payload'
 	if e.Payload == nil {
@@ -3419,9 +3431,6 @@ func (e *ExecutionPayloadEnvelope) SizeSSZ() (size int) {
 	}
 	size += e.ExecutionRequests.SizeSSZ()
 
-	// Field (5) 'BlobKzgCommitments'
-	size += len(e.BlobKzgCommitments) * 48
-
 	return
 }
 
@@ -3457,26 +3466,7 @@ func (e *ExecutionPayloadEnvelope) HashTreeRootWith(hh *ssz.Hasher) (err error)
 	// Field (4) 'Slot'
 	hh.PutUint64(uint64(e.Slot))
 
-	// Field (5) 'BlobKzgCommitments'
-	{
-		if size := len(e.BlobKzgCommitments); size > 4096 {
-			err = ssz.ErrListTooBigFn("--.BlobKzgCommitments", size, 4096)
-			return
-		}
-		subIndx := hh.Index()
-		for _, i := range e.BlobKzgCommitments {
-			if len(i) != 48 {
-				err = ssz.ErrBytesLength
-				return
-			}
-			hh.PutBytes(i)
-		}
-
-		numItems := uint64(len(e.BlobKzgCommitments))
-		hh.MerkleizeWithMixin(subIndx, numItems, 4096)
-	}
-
-	// Field (6) 'StateRoot'
+	// Field (5) 'StateRoot'
 	if size := len(e.StateRoot); size != 32 {
 		err = ssz.ErrBytesLengthFn("--.StateRoot", size, 32)
 		return

proto/prysm/v1alpha1/gloas_test.go

@@ -23,17 +23,17 @@ func TestExecutionPayloadBid_Copy(t *testing.T) {
 		{
 			name: "fully populated bid",
 			bid: &ExecutionPayloadBid{
-				ParentBlockHash:        []byte("parent_block_hash_32_bytes_long!"),
-				ParentBlockRoot:        []byte("parent_block_root_32_bytes_long!"),
-				BlockHash:              []byte("block_hash_32_bytes_are_long!!"),
-				PrevRandao:             []byte("prev_randao_32_bytes_long!!!"),
-				FeeRecipient:           []byte("fee_recipient_20_byt"),
-				GasLimit:               15000000,
-				BuilderIndex:           primitives.BuilderIndex(42),
-				Slot:                   primitives.Slot(12345),
-				ExecutionPayment:       5645654,
-				Value:                  1000000000000000000,
-				BlobKzgCommitmentsRoot: []byte("blob_kzg_commitments_32_bytes!!"),
+				ParentBlockHash:    []byte("parent_block_hash_32_bytes_long!"),
+				ParentBlockRoot:    []byte("parent_block_root_32_bytes_long!"),
+				BlockHash:          []byte("block_hash_32_bytes_are_long!!"),
+				PrevRandao:         []byte("prev_randao_32_bytes_long!!!"),
+				FeeRecipient:       []byte("fee_recipient_20_byt"),
+				GasLimit:           15000000,
+				BuilderIndex:       primitives.BuilderIndex(42),
+				Slot:               primitives.Slot(12345),
+				Value:              1000000000000000000,
+				ExecutionPayment:   5645654,
+				BlobKzgCommitments: [][]byte{[]byte("blob_kzg_commitments_48_bytes_longer_than_needed")},
 			},
 		},
 	}

specrefs/configs.yml

@@ -512,8 +512,8 @@
 - name: MIN_BUILDER_WITHDRAWABILITY_DELAY#gloas
   sources: []
   spec: |
-    <spec config_var="MIN_BUILDER_WITHDRAWABILITY_DELAY" fork="gloas" hash="d378428f">
-    MIN_BUILDER_WITHDRAWABILITY_DELAY: uint64 = 4096
+    <spec config_var="MIN_BUILDER_WITHDRAWABILITY_DELAY" fork="gloas" hash="be7f8473">
+    MIN_BUILDER_WITHDRAWABILITY_DELAY: uint64 = 64
     </spec>
 
 - name: MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS#deneb