wip trying something

.github/workflows/go.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Golangci-lint
         uses: golangci/golangci-lint-action@v5
         with:
-          version: v1.56.1
+          version: v1.55.2
           args: --config=.golangci.yml --out-${NO_FUTURE}format colored-line-number
 
   build:

.golangci.yml

@@ -73,7 +73,6 @@ linters:
     - promlinter
     - protogetter
     - revive
-    - spancheck
     - staticcheck
     - stylecheck
     - tagalign

CHANGELOG.md

@@ -8,7 +8,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 
 ### Added
 
-- Electra EIP6110: Queue deposit [pr](https://github.com/prysmaticlabs/prysm/pull/14430).
+- Electra EIP6110: Queue deposit [pr](https://github.com/prysmaticlabs/prysm/pull/14430)
 - Add Bellatrix tests for light client functions.
 - Add Discovery Rebooter Feature.
 - Added GetBlockAttestationsV2 endpoint.
@@ -19,18 +19,12 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Added ListAttestationsV2 endpoint.
 - Add ability to rollback node's internal state during processing.
 - Change how unsafe protobuf state is created to prevent unnecessary copies.
-- Added benchmarks for process slots for Capella, Deneb, Electra.
+- Added benchmarks for process slots for Capella, Deneb, Electra
 - Add helper to cast bytes to string without allocating memory.
 - Added GetAggregatedAttestationV2 endpoint.
 - Added SubmitAttestationsV2 endpoint.
-- Validator REST mode Electra block support.
-- Added validator index label to `validator_statuses` metric.
-- Added Validator REST mode use of Attestation V2 endpoints and Electra attestations.
-- PeerDAS: Added proto for `DataColumnIdentifier`, `DataColumnSidecar`, `DataColumnSidecarsByRangeRequest` and `MetadataV2`.
-- Better attestation packing for Electra. [PR](https://github.com/prysmaticlabs/prysm/pull/14534)
-- P2P: Add logs when a peer is (dis)connected. Add the reason of the disconnection when we initiate it.
-- Added a Prometheus error counter metric for HTTP requests to track beacon node requests.
-- Added a Prometheus error counter metric for SSE requests.
+- Validator REST mode Electra block support
+- Metric for the size of tracked validators cache
 
 ### Changed
 
@@ -58,18 +52,9 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Only Build the Protobuf state once during serialization.
 - Capella blocks are execution.
 - Fixed panic when http request to subscribe to event stream fails.
-- Return early for blob reconstructor during capella fork.
-- Updated block endpoint from V1 to V2.
+- Return early for blob reconstructor during capella fork
+- Updated block endpoint from V1 to V2
 - Rename instances of "deposit receipts" to "deposit requests".
-- Non-blocking payload attribute event handling in beacon api [pr](https://github.com/prysmaticlabs/prysm/pull/14644).
-- Updated light client protobufs. [PR](https://github.com/prysmaticlabs/prysm/pull/14650)
-- Added `Eth-Consensus-Version` header to `ListAttestationsV2` and `GetAggregateAttestationV2` endpoints.
-- Updated light client consensus types. [PR](https://github.com/prysmaticlabs/prysm/pull/14652)
-- Fixed pending deposits processing on Electra.
-- Modified `ListAttestationsV2`, `GetAttesterSlashingsV2` and `GetAggregateAttestationV2` endpoints to use slot to determine fork version.
-- Improvements to HTTP response handling. [pr](https://github.com/prysmaticlabs/prysm/pull/14673)
-- Updated `Blobs` endpoint to return additional metadata fields.
-- Refactor static and dynamic subnets subscription.
 
 ### Deprecated
 
@@ -80,7 +65,6 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Removed finalized validator index cache, no longer needed.
 - Removed validator queue position log on key reload and wait for activation.
 - Removed outdated spectest exclusions for EIP-6110.
-- Removed kzg proof check from blob reconstructor.
 
 ### Fixed
 
@@ -97,12 +81,6 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - EIP7521 - Fixes withdrawal bug by accounting for pending partial withdrawals and deducting already withdrawn amounts from the sweep balance. [PR](https://github.com/prysmaticlabs/prysm/pull/14578)
 - unskip electra merkle spec test
 - Fix panic in validator REST mode when checking status after removing all keys
-- Fix panic on attestation interface since we call data before validation
-- corrects nil check on some interface attestation types
-- temporary solution to handling electra attesation and attester_slashing events. [pr](14655)
-- Diverse log improvements and comment additions.
-- P2P: Avoid infinite loop when looking for peers in small networks.
-
 
 ### Security
 

api/client/builder/BUILD.bazel

@@ -12,7 +12,6 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//api:go_default_library",
-        "//api/client:go_default_library",
         "//api/server/structs:go_default_library",
         "//config/fieldparams:go_default_library",
         "//consensus-types:go_default_library",

api/client/builder/client.go

@@ -14,7 +14,6 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/api"
-	"github.com/prysmaticlabs/prysm/v5/api/client"
 	"github.com/prysmaticlabs/prysm/v5/api/server/structs"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
@@ -177,7 +176,7 @@ func (c *Client) do(ctx context.Context, method string, path string, body io.Rea
 		err = non200Err(r)
 		return
 	}
-	res, err = io.ReadAll(io.LimitReader(r.Body, client.MaxBodySize))
+	res, err = io.ReadAll(r.Body)
 	if err != nil {
 		err = errors.Wrap(err, "error reading http response body from builder server")
 		return
@@ -359,7 +358,7 @@ func (c *Client) Status(ctx context.Context) error {
 }
 
 func non200Err(response *http.Response) error {
-	bodyBytes, err := io.ReadAll(io.LimitReader(response.Body, client.MaxErrBodySize))
+	bodyBytes, err := io.ReadAll(response.Body)
 	var errMessage ErrorMessage
 	var body string
 	if err != nil {

api/client/client.go

@@ -10,17 +10,11 @@ import (
 	"github.com/pkg/errors"
 )
 
-const (
-	MaxBodySize    int64 = 1 << 23 // 8MB default, WithMaxBodySize can override
-	MaxErrBodySize int64 = 1 << 17 // 128KB
-)
-
 // Client is a wrapper object around the HTTP client.
 type Client struct {
-	hc          *http.Client
-	baseURL     *url.URL
-	token       string
-	maxBodySize int64
+	hc      *http.Client
+	baseURL *url.URL
+	token   string
 }
 
 // NewClient constructs a new client with the provided options (ex WithTimeout).
@@ -32,9 +26,8 @@ func NewClient(host string, opts ...ClientOpt) (*Client, error) {
 		return nil, err
 	}
 	c := &Client{
-		hc:          &http.Client{},
-		baseURL:     u,
-		maxBodySize: MaxBodySize,
+		hc:      &http.Client{},
+		baseURL: u,
 	}
 	for _, o := range opts {
 		o(c)
@@ -79,7 +72,7 @@ func (c *Client) NodeURL() string {
 // Get is a generic, opinionated GET function to reduce boilerplate amongst the getters in this package.
 func (c *Client) Get(ctx context.Context, path string, opts ...ReqOption) ([]byte, error) {
 	u := c.baseURL.ResolveReference(&url.URL{Path: path})
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, u.String(), http.NoBody)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, u.String(), nil)
 	if err != nil {
 		return nil, err
 	}
@@ -96,7 +89,7 @@ func (c *Client) Get(ctx context.Context, path string, opts ...ReqOption) ([]byt
 	if r.StatusCode != http.StatusOK {
 		return nil, Non200Err(r)
 	}
-	b, err := io.ReadAll(io.LimitReader(r.Body, c.maxBodySize))
+	b, err := io.ReadAll(r.Body)
 	if err != nil {
 		return nil, errors.Wrap(err, "error reading http response body")
 	}

api/client/errors.go

@@ -25,16 +25,16 @@ var ErrInvalidNodeVersion = errors.New("invalid node version response")
 var ErrConnectionIssue = errors.New("could not connect")
 
 // Non200Err is a function that parses an HTTP response to handle responses that are not 200 with a formatted error.
-func Non200Err(r *http.Response) error {
-	b, err := io.ReadAll(io.LimitReader(r.Body, MaxErrBodySize))
+func Non200Err(response *http.Response) error {
+	bodyBytes, err := io.ReadAll(response.Body)
 	var body string
 	if err != nil {
 		body = "(Unable to read response body.)"
 	} else {
-		body = "response body:\n" + string(b)
+		body = "response body:\n" + string(bodyBytes)
 	}
-	msg := fmt.Sprintf("code=%d, url=%s, body=%s", r.StatusCode, r.Request.URL, body)
-	switch r.StatusCode {
+	msg := fmt.Sprintf("code=%d, url=%s, body=%s", response.StatusCode, response.Request.URL, body)
+	switch response.StatusCode {
 	case http.StatusNotFound:
 		return errors.Wrap(ErrNotFound, msg)
 	default:

api/client/options.go

@@ -46,10 +46,3 @@ func WithAuthenticationToken(token string) ClientOpt {
 		c.token = token
 	}
 }
-
-// WithMaxBodySize overrides the default max body size of 8MB.
-func WithMaxBodySize(size int64) ClientOpt {
-	return func(c *Client) {
-		c.maxBodySize = size
-	}
-}

api/server/structs/endpoints_blob.go

@@ -1,10 +1,7 @@
 package structs
 
 type SidecarsResponse struct {
-	Version             string     `json:"version"`
-	Data                []*Sidecar `json:"data"`
-	ExecutionOptimistic bool       `json:"execution_optimistic"`
-	Finalized           bool       `json:"finalized"`
+	Data []*Sidecar `json:"data"`
 }
 
 type Sidecar struct {

beacon-chain/blockchain/execution_engine.go

@@ -6,11 +6,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/v5/async/event"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/cache"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/blocks"
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed"
-	statefeed "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed/state"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/transition"
@@ -72,7 +69,6 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *fcuConfig) (*
 	if arg.attributes == nil {
 		arg.attributes = payloadattribute.EmptyWithVersion(headBlk.Version())
 	}
-	go firePayloadAttributesEvent(ctx, s.cfg.StateNotifier.StateFeed(), arg)
 	payloadID, lastValidHash, err := s.cfg.ExecutionEngineCaller.ForkchoiceUpdated(ctx, fcs, arg.attributes)
 	if err != nil {
 		switch {
@@ -171,38 +167,6 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *fcuConfig) (*
 	return payloadID, nil
 }
 
-func firePayloadAttributesEvent(ctx context.Context, f event.SubscriberSender, cfg *fcuConfig) {
-	pidx, err := helpers.BeaconProposerIndex(ctx, cfg.headState)
-	if err != nil {
-		log.WithError(err).
-			WithField("head_root", cfg.headRoot[:]).
-			Error("Could not get proposer index for PayloadAttributes event")
-		return
-	}
-	evd := payloadattribute.EventData{
-		ProposerIndex:   pidx,
-		ProposalSlot:    cfg.headState.Slot(),
-		ParentBlockRoot: cfg.headRoot[:],
-		Attributer:      cfg.attributes,
-		HeadRoot:        cfg.headRoot,
-		HeadState:       cfg.headState,
-		HeadBlock:       cfg.headBlock,
-	}
-	if cfg.headBlock != nil && !cfg.headBlock.IsNil() {
-		headPayload, err := cfg.headBlock.Block().Body().Execution()
-		if err != nil {
-			log.WithError(err).Error("Could not get execution payload for head block")
-			return
-		}
-		evd.ParentBlockHash = headPayload.BlockHash()
-		evd.ParentBlockNumber = headPayload.BlockNumber()
-	}
-	f.Send(&feed.Event{
-		Type: statefeed.PayloadAttributes,
-		Data: evd,
-	})
-}
-
 // getPayloadHash returns the payload hash given the block root.
 // if the block is before bellatrix fork epoch, it returns the zero hash.
 func (s *Service) getPayloadHash(ctx context.Context, root []byte) ([32]byte, error) {

beacon-chain/blockchain/process_attestation_test.go

@@ -92,12 +92,12 @@ func TestStore_OnAttestation_ErrorConditions(t *testing.T) {
 		{
 			name:      "process nil attestation",
 			a:         nil,
-			wantedErr: "attestation is nil",
+			wantedErr: "attestation can't be nil",
 		},
 		{
 			name:      "process nil field (a.Data) in attestation",
 			a:         &ethpb.Attestation{},
-			wantedErr: "attestation is nil",
+			wantedErr: "attestation's data can't be nil",
 		},
 		{
 			name: "process nil field (a.Target) in attestation",

beacon-chain/blockchain/process_block.go

@@ -7,6 +7,8 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/blocks"
+	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed"
+	statefeed "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed/state"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	coreTime "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/transition"
@@ -618,6 +620,9 @@ func (s *Service) lateBlockTasks(ctx context.Context) {
 	if !s.inRegularSync() {
 		return
 	}
+	s.cfg.StateNotifier.StateFeed().Send(&feed.Event{
+		Type: statefeed.MissedSlot,
+	})
 	s.headLock.RLock()
 	headRoot := s.headRoot()
 	headState := s.headState(ctx)
@@ -645,13 +650,6 @@ func (s *Service) lateBlockTasks(ctx context.Context) {
 	attribute := s.getPayloadAttribute(ctx, headState, s.CurrentSlot()+1, headRoot[:])
 	// return early if we are not proposing next slot
 	if attribute.IsEmpty() {
-		fcuArgs := &fcuConfig{
-			headState:  headState,
-			headRoot:   headRoot,
-			headBlock:  nil,
-			attributes: attribute,
-		}
-		go firePayloadAttributesEvent(ctx, s.cfg.StateNotifier.StateFeed(), fcuArgs)
 		return
 	}
 

beacon-chain/cache/tracked_validators.go

@@ -2,19 +2,28 @@ package cache
 
 import (
 	"sync"
+	"time"
 
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 )
 
+var validatorInactivityThreshold = 5 // 5 epochs
+
 type TrackedValidator struct {
 	Active       bool
 	FeeRecipient primitives.ExecutionAddress
 	Index        primitives.ValidatorIndex
+	LastUpdated  time.Time
 }
 
 type TrackedValidatorsCache struct {
-	sync.Mutex
-	trackedValidators map[primitives.ValidatorIndex]TrackedValidator
+	sync.RWMutex
+	trackedValidators               map[primitives.ValidatorIndex]TrackedValidator
+	trackedValidatorsNum            uint64
+	trackedValidatorsNumLastUpdated uint64
+	trackedValidatorsMetric         prometheus.GaugeFunc
 }
 
 func NewTrackedValidatorsCache() *TrackedValidatorsCache {
@@ -24,8 +33,8 @@ func NewTrackedValidatorsCache() *TrackedValidatorsCache {
 }
 
 func (t *TrackedValidatorsCache) Validator(index primitives.ValidatorIndex) (TrackedValidator, bool) {
-	t.Lock()
-	defer t.Unlock()
+	t.RLock()
+	defer t.RUnlock()
 	val, ok := t.trackedValidators[index]
 	return val, ok
 }
@@ -34,6 +43,32 @@ func (t *TrackedValidatorsCache) Set(val TrackedValidator) {
 	t.Lock()
 	defer t.Unlock()
 	t.trackedValidators[val.Index] = val
+	t.updateTackedValidatorsNum()
+}
+
+func (t *TrackedValidatorsCache) updateTackedValidatorsNum() {
+	epochTime := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
+	if t.trackedValidatorsNumLastUpdated != 0 && t.trackedValidatorsNumLastUpdated+epochTime < uint64(time.Now().Unix()) {
+		// too early to update again
+		return
+	}
+	num := 0
+	for _, value := range t.trackedValidators {
+		if value.LastUpdated.Unix()+int64(validatorInactivityThreshold)*int64(epochTime) < time.Now().Unix() {
+			// validator expired
+			// TODO: should we prune?
+			continue
+		}
+		num++
+	}
+	t.trackedValidatorsNum = uint64(num)
+	t.trackedValidatorsNumLastUpdated = uint64(time.Now().Unix())
+}
+
+func (t *TrackedValidatorsCache) GetTrackedValidatorsNum() uint64 {
+	t.RLock()
+	defer t.RUnlock()
+	return t.trackedValidatorsNum
 }
 
 func (t *TrackedValidatorsCache) Prune() {
@@ -43,7 +78,32 @@ func (t *TrackedValidatorsCache) Prune() {
 }
 
 func (t *TrackedValidatorsCache) Validating() bool {
-	t.Lock()
-	defer t.Unlock()
+	t.RLock()
+	defer t.RUnlock()
 	return len(t.trackedValidators) > 0
 }
+
+func (t *TrackedValidatorsCache) Size() int {
+	t.RLock()
+	defer t.RUnlock()
+	return len(t.trackedValidators)
+}
+
+func (t *TrackedValidatorsCache) RegisterTrackedValidatorMetric() error {
+	t.Lock()
+	defer t.Unlock()
+	t.trackedValidatorsMetric = prometheus.NewGaugeFunc(
+		prometheus.GaugeOpts{
+			Name: "tracked_validator_count",
+			Help: "The total number of validators tracked by trackedValidatorsCache in the beacon node. This is updated at intervals via the push proposer settings API endpoint.",
+		},
+		func() float64 { return float64(t.GetTrackedValidatorsNum()) },
+	)
+	return prometheus.Register(t.trackedValidatorsMetric)
+}
+
+func (t *TrackedValidatorsCache) UnregisterTrackedValidatorMetric() {
+	t.RLock()
+	defer t.RUnlock()
+	prometheus.Unregister(t.trackedValidatorsMetric)
+}

beacon-chain/core/blocks/attestation_test.go

@@ -448,7 +448,6 @@ func TestValidateIndexedAttestation_AboveMaxLength(t *testing.T) {
 			Target: &ethpb.Checkpoint{
 				Epoch: primitives.Epoch(i),
 			},
-			Source: &ethpb.Checkpoint{},
 		}
 	}
 
@@ -490,7 +489,6 @@ func TestValidateIndexedAttestation_BadAttestationsSignatureSet(t *testing.T) {
 				Target: &ethpb.Checkpoint{
 					Root: []byte{},
 				},
-				Source: &ethpb.Checkpoint{},
 			},
 			Signature:       sig.Marshal(),
 			AggregationBits: list,

beacon-chain/core/electra/deposits.go

@@ -386,14 +386,8 @@ func batchProcessNewPendingDeposits(ctx context.Context, state state.BeaconState
 		return errors.Wrap(err, "batch signature verification failed")
 	}
 
-	pubKeyMap := make(map[[48]byte]struct{}, len(pendingDeposits))
-
 	// Process each deposit individually
 	for _, pendingDeposit := range pendingDeposits {
-		_, found := pubKeyMap[bytesutil.ToBytes48(pendingDeposit.PublicKey)]
-		if !found {
-			pubKeyMap[bytesutil.ToBytes48(pendingDeposit.PublicKey)] = struct{}{}
-		}
 		validSignature := allSignaturesVerified
 
 		// If batch verification failed, check the individual deposit signature
@@ -411,16 +405,9 @@ func batchProcessNewPendingDeposits(ctx context.Context, state state.BeaconState
 
 		// Add validator to the registry if the signature is valid
 		if validSignature {
-			if found {
-				index, _ := state.ValidatorIndexByPubkey(bytesutil.ToBytes48(pendingDeposit.PublicKey))
-				if err := helpers.IncreaseBalance(state, index, pendingDeposit.Amount); err != nil {
-					return errors.Wrap(err, "could not increase balance")
-				}
-			} else {
-				err = AddValidatorToRegistry(state, pendingDeposit.PublicKey, pendingDeposit.WithdrawalCredentials, pendingDeposit.Amount)
-				if err != nil {
-					return errors.Wrap(err, "failed to add validator to registry")
-				}
+			err = AddValidatorToRegistry(state, pendingDeposit.PublicKey, pendingDeposit.WithdrawalCredentials, pendingDeposit.Amount)
+			if err != nil {
+				return errors.Wrap(err, "failed to add validator to registry")
 			}
 		}
 	}

beacon-chain/core/electra/deposits_test.go

@@ -22,40 +22,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/testing/util"
 )
 
-func TestProcessPendingDepositsMultiplesSameDeposits(t *testing.T) {
-	st := stateWithActiveBalanceETH(t, 1000)
-	deps := make([]*eth.PendingDeposit, 2) // Make same deposit twice
-	validators := st.Validators()
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	for i := 0; i < len(deps); i += 1 {
-		wc := make([]byte, 32)
-		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
-		wc[31] = byte(i)
-		validators[i].PublicKey = sk.PublicKey().Marshal()
-		validators[i].WithdrawalCredentials = wc
-		deps[i] = stateTesting.GeneratePendingDeposit(t, sk, 32, bytesutil.ToBytes32(wc), 0)
-	}
-	require.NoError(t, st.SetPendingDeposits(deps))
-
-	err = electra.ProcessPendingDeposits(context.TODO(), st, 10000)
-	require.NoError(t, err)
-
-	val := st.Validators()
-	seenPubkeys := make(map[string]struct{})
-	for i := 0; i < len(val); i += 1 {
-		if len(val[i].PublicKey) == 0 {
-			continue
-		}
-		_, ok := seenPubkeys[string(val[i].PublicKey)]
-		if ok {
-			t.Fatalf("duplicated pubkeys")
-		} else {
-			seenPubkeys[string(val[i].PublicKey)] = struct{}{}
-		}
-	}
-}
-
 func TestProcessPendingDeposits(t *testing.T) {
 	tests := []struct {
 		name    string
@@ -319,7 +285,7 @@ func TestBatchProcessNewPendingDeposits(t *testing.T) {
 		wc[0] = params.BeaconConfig().ETH1AddressWithdrawalPrefixByte
 		wc[31] = byte(0)
 		validDep := stateTesting.GeneratePendingDeposit(t, sk, params.BeaconConfig().MinActivationBalance, bytesutil.ToBytes32(wc), 0)
-		invalidDep := &eth.PendingDeposit{PublicKey: make([]byte, 48)}
+		invalidDep := &eth.PendingDeposit{}
 		// have a combination of valid and invalid deposits
 		deps := []*eth.PendingDeposit{validDep, invalidDep}
 		require.NoError(t, electra.BatchProcessNewPendingDeposits(context.Background(), st, deps))

beacon-chain/core/feed/state/events.go

@@ -31,8 +31,6 @@ const (
 	LightClientFinalityUpdate
 	// LightClientOptimisticUpdate event
 	LightClientOptimisticUpdate
-	// PayloadAttributes events are fired upon a missed slot or new head.
-	PayloadAttributes
 )
 
 // BlockProcessedData is the data sent with BlockProcessed events.

beacon-chain/core/helpers/attestation.go

@@ -23,8 +23,11 @@ var (
 // Access to these nil fields will result in run time panic,
 // it is recommended to run these checks as first line of defense.
 func ValidateNilAttestation(attestation ethpb.Att) error {
-	if attestation == nil || attestation.IsNil() {
-		return errors.New("attestation is nil")
+	if attestation == nil {
+		return errors.New("attestation can't be nil")
+	}
+	if attestation.GetData() == nil {
+		return errors.New("attestation's data can't be nil")
 	}
 	if attestation.GetData().Source == nil {
 		return errors.New("attestation's source can't be nil")

beacon-chain/core/helpers/attestation_test.go

@@ -260,12 +260,12 @@ func TestValidateNilAttestation(t *testing.T) {
 		{
 			name:        "nil attestation",
 			attestation: nil,
-			errString:   "attestation is nil",
+			errString:   "attestation can't be nil",
 		},
 		{
 			name:        "nil attestation data",
 			attestation: &ethpb.Attestation{},
-			errString:   "attestation is nil",
+			errString:   "attestation's data can't be nil",
 		},
 		{
 			name: "nil attestation source",

beacon-chain/db/kv/blocks.go

@@ -23,10 +23,10 @@ import (
 	bolt "go.etcd.io/bbolt"
 )
 
-// Used to represent errors for inconsistent slot ranges.
+// used to represent errors for inconsistent slot ranges.
 var errInvalidSlotRange = errors.New("invalid end slot and start slot provided")
 
-// Block retrieval by root. Return nil if block is not found.
+// Block retrieval by root.
 func (s *Store) Block(ctx context.Context, blockRoot [32]byte) (interfaces.ReadOnlySignedBeaconBlock, error) {
 	ctx, span := trace.StartSpan(ctx, "BeaconDB.Block")
 	defer span.End()

beacon-chain/db/slasherkv/slasher.go

@@ -688,7 +688,7 @@ func decodeSlasherChunk(enc []byte) ([]uint16, error) {
 // Encode attestation record to bytes.
 // The output encoded attestation record consists in the signing root concatenated with the compressed attestation record.
 func encodeAttestationRecord(att *slashertypes.IndexedAttestationWrapper) ([]byte, error) {
-	if att == nil || att.IndexedAttestation == nil || att.IndexedAttestation.IsNil() {
+	if att == nil || att.IndexedAttestation == nil {
 		return []byte{}, errors.New("nil proposal record")
 	}
 

beacon-chain/execution/engine_client.go

@@ -623,7 +623,13 @@ func (s *Service) ReconstructBlobSidecars(ctx context.Context, block interfaces.
 			continue
 		}
 
+		// Verify the sidecar KZG proof
 		v := s.blobVerifier(roBlob, verification.ELMemPoolRequirements)
+		if err := v.SidecarKzgProofVerified(); err != nil {
+			log.WithError(err).WithField("index", i).Error("failed to verify KZG proof for sidecar")
+			continue
+		}
+
 		verifiedBlob, err := v.VerifiedROBlob()
 		if err != nil {
 			log.WithError(err).WithField("index", i).Error("failed to verify RO blob")

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

@@ -53,7 +53,7 @@ func (f *ForkChoice) ShouldOverrideFCU() (override bool) {
 	// Only reorg blocks that arrive late
 	early, err := head.arrivedEarly(f.store.genesisTime)
 	if err != nil {
-		log.WithError(err).Error("Could not check if block arrived early")
+		log.WithError(err).Error("could not check if block arrived early")
 		return
 	}
 	if early {

beacon-chain/node/node.go

@@ -192,13 +192,20 @@ func New(cliCtx *cli.Context, cancel context.CancelFunc, opts ...Option) (*Beaco
 	beacon.verifyInitWaiter = verification.NewInitializerWaiter(
 		beacon.clockWaiter, forkchoice.NewROForkChoice(beacon.forkChoicer), beacon.stateGen)
 
+	pa := peers.NewAssigner(beacon.fetchP2P().Peers(), beacon.forkChoicer)
+
 	beacon.BackfillOpts = append(
 		beacon.BackfillOpts,
 		backfill.WithVerifierWaiter(beacon.verifyInitWaiter),
 		backfill.WithInitSyncWaiter(initSyncWaiter(ctx, beacon.initialSyncComplete)),
 	)
 
-	if err := registerServices(cliCtx, beacon, synchronizer, bfs); err != nil {
+	bf, err := backfill.NewService(ctx, bfs, beacon.BlobStorage, beacon.clockWaiter, beacon.fetchP2P(), pa, beacon.BackfillOpts...)
+	if err != nil {
+		return nil, errors.Wrap(err, "error initializing backfill service")
+	}
+
+	if err := registerServices(cliCtx, beacon, synchronizer, bf, bfs); err != nil {
 		return nil, errors.Wrap(err, "could not register services")
 	}
 
@@ -210,7 +217,9 @@ func New(cliCtx *cli.Context, cancel context.CancelFunc, opts ...Option) (*Beaco
 		return nil, err
 	}
 	beacon.collector = c
-
+	if err := beacon.trackedValidatorsCache.RegisterTrackedValidatorMetric(); err != nil {
+		return nil, errors.Wrap(err, "unable to register tracked validator metric")
+	}
 	// Do not store the finalized state as it has been provided to the respective services during
 	// their initialization.
 	beacon.finalizedStateAtStartUp = nil
@@ -285,6 +294,11 @@ func startBaseServices(cliCtx *cli.Context, beacon *BeaconNode, depositAddress s
 		return nil, errors.Wrap(err, "could not start slashing DB")
 	}
 
+	log.Debugln("Registering P2P Service")
+	if err := beacon.registerP2P(cliCtx); err != nil {
+		return nil, errors.Wrap(err, "could not register P2P service")
+	}
+
 	bfs, err := backfill.NewUpdater(ctx, beacon.db)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not create backfill updater")
@@ -303,15 +317,9 @@ func startBaseServices(cliCtx *cli.Context, beacon *BeaconNode, depositAddress s
 	return bfs, nil
 }
 
-func registerServices(cliCtx *cli.Context, beacon *BeaconNode, synchronizer *startup.ClockSynchronizer, bfs *backfill.Store) error {
-	log.Debugln("Registering P2P Service")
-	if err := beacon.registerP2P(cliCtx); err != nil {
-		return errors.Wrap(err, "could not register P2P service")
-	}
-
-	log.Debugln("Registering Backfill Service")
-	if err := beacon.RegisterBackfillService(cliCtx, bfs); err != nil {
-		return errors.Wrap(err, "could not register Back Fill service")
+func registerServices(cliCtx *cli.Context, beacon *BeaconNode, synchronizer *startup.ClockSynchronizer, bf *backfill.Service, bfs *backfill.Store) error {
+	if err := beacon.services.RegisterService(bf); err != nil {
+		return errors.Wrap(err, "could not register backfill service")
 	}
 
 	log.Debugln("Registering POW Chain Service")
@@ -451,6 +459,7 @@ func (b *BeaconNode) Close() {
 		log.WithError(err).Error("Failed to close database")
 	}
 	b.collector.unregister()
+	b.trackedValidatorsCache.UnregisterTrackedValidatorMetric()
 	b.cancel()
 	close(b.stop)
 }
@@ -1130,16 +1139,6 @@ func (b *BeaconNode) registerBuilderService(cliCtx *cli.Context) error {
 	return b.services.RegisterService(svc)
 }
 
-func (b *BeaconNode) RegisterBackfillService(cliCtx *cli.Context, bfs *backfill.Store) error {
-	pa := peers.NewAssigner(b.fetchP2P().Peers(), b.forkChoicer)
-	bf, err := backfill.NewService(cliCtx.Context, bfs, b.BlobStorage, b.clockWaiter, b.fetchP2P(), pa, b.BackfillOpts...)
-	if err != nil {
-		return errors.Wrap(err, "error initializing backfill service")
-	}
-
-	return b.services.RegisterService(bf)
-}
-
 func hasNetworkFlag(cliCtx *cli.Context) bool {
 	for _, flag := range features.NetworkFlags {
 		for _, name := range flag.Names() {

beacon-chain/operations/attestations/kv/aggregated_test.go

@@ -49,12 +49,12 @@ func TestKV_Aggregated_SaveAggregatedAttestation(t *testing.T) {
 		{
 			name:          "nil attestation",
 			att:           nil,
-			wantErrString: "attestation is nil",
+			wantErrString: "attestation can't be nil",
 		},
 		{
 			name:          "nil attestation data",
 			att:           &ethpb.Attestation{},
-			wantErrString: "attestation is nil",
+			wantErrString: "attestation's data can't be nil",
 		},
 		{
 			name: "not aggregated",
@@ -206,7 +206,7 @@ func TestKV_Aggregated_AggregatedAttestations(t *testing.T) {
 func TestKV_Aggregated_DeleteAggregatedAttestation(t *testing.T) {
 	t.Run("nil attestation", func(t *testing.T) {
 		cache := NewAttCaches()
-		assert.ErrorContains(t, "attestation is nil", cache.DeleteAggregatedAttestation(nil))
+		assert.ErrorContains(t, "attestation can't be nil", cache.DeleteAggregatedAttestation(nil))
 		att := util.HydrateAttestation(&ethpb.Attestation{AggregationBits: bitfield.Bitlist{0b10101}, Data: &ethpb.AttestationData{Slot: 2}})
 		assert.NoError(t, cache.DeleteAggregatedAttestation(att))
 	})
@@ -288,7 +288,7 @@ func TestKV_Aggregated_HasAggregatedAttestation(t *testing.T) {
 			name:  "nil attestation",
 			input: nil,
 			want:  false,
-			err:   errors.New("is nil"),
+			err:   errors.New("can't be nil"),
 		},
 		{
 			name: "nil attestation data",
@@ -296,7 +296,7 @@ func TestKV_Aggregated_HasAggregatedAttestation(t *testing.T) {
 				AggregationBits: bitfield.Bitlist{0b1111},
 			},
 			want: false,
-			err:  errors.New("is nil"),
+			err:  errors.New("can't be nil"),
 		},
 		{
 			name: "empty cache aggregated",

beacon-chain/operations/attestations/kv/block.go

@@ -8,7 +8,7 @@ import (
 
 // SaveBlockAttestation saves an block attestation in cache.
 func (c *AttCaches) SaveBlockAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
 
@@ -53,9 +53,10 @@ func (c *AttCaches) BlockAttestations() []ethpb.Att {
 
 // DeleteBlockAttestation deletes a block attestation in cache.
 func (c *AttCaches) DeleteBlockAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
+
 	id, err := attestation.NewId(att, attestation.Data)
 	if err != nil {
 		return errors.Wrap(err, "could not create attestation ID")

beacon-chain/operations/attestations/kv/forkchoice.go

@@ -8,7 +8,7 @@ import (
 
 // SaveForkchoiceAttestation saves an forkchoice attestation in cache.
 func (c *AttCaches) SaveForkchoiceAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
 
@@ -50,7 +50,7 @@ func (c *AttCaches) ForkchoiceAttestations() []ethpb.Att {
 
 // DeleteForkchoiceAttestation deletes a forkchoice attestation in cache.
 func (c *AttCaches) DeleteForkchoiceAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
 

beacon-chain/operations/attestations/kv/unaggregated.go

@@ -14,7 +14,7 @@ import (
 
 // SaveUnaggregatedAttestation saves an unaggregated attestation in cache.
 func (c *AttCaches) SaveUnaggregatedAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
 	if helpers.IsAggregated(att) {
@@ -130,10 +130,9 @@ func (c *AttCaches) UnaggregatedAttestationsBySlotIndexElectra(
 
 // DeleteUnaggregatedAttestation deletes the unaggregated attestations in cache.
 func (c *AttCaches) DeleteUnaggregatedAttestation(att ethpb.Att) error {
-	if att == nil || att.IsNil() {
+	if att == nil {
 		return nil
 	}
-
 	if helpers.IsAggregated(att) {
 		return errors.New("attestation is aggregated")
 	}
@@ -162,7 +161,7 @@ func (c *AttCaches) DeleteSeenUnaggregatedAttestations() (int, error) {
 
 	count := 0
 	for r, att := range c.unAggregatedAtt {
-		if att == nil || att.IsNil() || helpers.IsAggregated(att) {
+		if att == nil || helpers.IsAggregated(att) {
 			continue
 		}
 		if seen, err := c.hasSeenBit(att); err == nil && seen {

beacon-chain/operations/attestations/mock/BUILD.bazel

@@ -7,7 +7,6 @@ go_library(
     importpath = "github.com/prysmaticlabs/prysm/v5/beacon-chain/operations/attestations/mock",
     visibility = ["//visibility:public"],
     deps = [
-        "//beacon-chain/operations/attestations:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
     ],

beacon-chain/operations/attestations/mock/mock.go

@@ -3,17 +3,13 @@ package mock
 import (
 	"context"
 
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/operations/attestations"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 )
 
-var _ attestations.Pool = &PoolMock{}
-
 // PoolMock --
 type PoolMock struct {
-	AggregatedAtts   []ethpb.Att
-	UnaggregatedAtts []ethpb.Att
+	AggregatedAtts []*ethpb.Attestation
 }
 
 // AggregateUnaggregatedAttestations --
@@ -27,18 +23,18 @@ func (*PoolMock) AggregateUnaggregatedAttestationsBySlotIndex(_ context.Context,
 }
 
 // SaveAggregatedAttestation --
-func (*PoolMock) SaveAggregatedAttestation(_ ethpb.Att) error {
+func (*PoolMock) SaveAggregatedAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // SaveAggregatedAttestations --
-func (m *PoolMock) SaveAggregatedAttestations(atts []ethpb.Att) error {
+func (m *PoolMock) SaveAggregatedAttestations(atts []*ethpb.Attestation) error {
 	m.AggregatedAtts = append(m.AggregatedAtts, atts...)
 	return nil
 }
 
 // AggregatedAttestations --
-func (m *PoolMock) AggregatedAttestations() []ethpb.Att {
+func (m *PoolMock) AggregatedAttestations() []*ethpb.Attestation {
 	return m.AggregatedAtts
 }
 
@@ -47,18 +43,13 @@ func (*PoolMock) AggregatedAttestationsBySlotIndex(_ context.Context, _ primitiv
 	panic("implement me")
 }
 
-// AggregatedAttestationsBySlotIndexElectra --
-func (*PoolMock) AggregatedAttestationsBySlotIndexElectra(_ context.Context, _ primitives.Slot, _ primitives.CommitteeIndex) []*ethpb.AttestationElectra {
-	panic("implement me")
-}
-
 // DeleteAggregatedAttestation --
-func (*PoolMock) DeleteAggregatedAttestation(_ ethpb.Att) error {
+func (*PoolMock) DeleteAggregatedAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // HasAggregatedAttestation --
-func (*PoolMock) HasAggregatedAttestation(_ ethpb.Att) (bool, error) {
+func (*PoolMock) HasAggregatedAttestation(_ *ethpb.Attestation) (bool, error) {
 	panic("implement me")
 }
 
@@ -68,19 +59,18 @@ func (*PoolMock) AggregatedAttestationCount() int {
 }
 
 // SaveUnaggregatedAttestation --
-func (*PoolMock) SaveUnaggregatedAttestation(_ ethpb.Att) error {
+func (*PoolMock) SaveUnaggregatedAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // SaveUnaggregatedAttestations --
-func (m *PoolMock) SaveUnaggregatedAttestations(atts []ethpb.Att) error {
-	m.UnaggregatedAtts = append(m.UnaggregatedAtts, atts...)
-	return nil
+func (*PoolMock) SaveUnaggregatedAttestations(_ []*ethpb.Attestation) error {
+	panic("implement me")
 }
 
 // UnaggregatedAttestations --
-func (m *PoolMock) UnaggregatedAttestations() ([]ethpb.Att, error) {
-	return m.UnaggregatedAtts, nil
+func (*PoolMock) UnaggregatedAttestations() ([]*ethpb.Attestation, error) {
+	panic("implement me")
 }
 
 // UnaggregatedAttestationsBySlotIndex --
@@ -88,13 +78,8 @@ func (*PoolMock) UnaggregatedAttestationsBySlotIndex(_ context.Context, _ primit
 	panic("implement me")
 }
 
-// UnaggregatedAttestationsBySlotIndexElectra --
-func (*PoolMock) UnaggregatedAttestationsBySlotIndexElectra(_ context.Context, _ primitives.Slot, _ primitives.CommitteeIndex) []*ethpb.AttestationElectra {
-	panic("implement me")
-}
-
 // DeleteUnaggregatedAttestation --
-func (*PoolMock) DeleteUnaggregatedAttestation(_ ethpb.Att) error {
+func (*PoolMock) DeleteUnaggregatedAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
@@ -109,42 +94,42 @@ func (*PoolMock) UnaggregatedAttestationCount() int {
 }
 
 // SaveBlockAttestation --
-func (*PoolMock) SaveBlockAttestation(_ ethpb.Att) error {
+func (*PoolMock) SaveBlockAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // SaveBlockAttestations --
-func (*PoolMock) SaveBlockAttestations(_ []ethpb.Att) error {
+func (*PoolMock) SaveBlockAttestations(_ []*ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // BlockAttestations --
-func (*PoolMock) BlockAttestations() []ethpb.Att {
+func (*PoolMock) BlockAttestations() []*ethpb.Attestation {
 	panic("implement me")
 }
 
 // DeleteBlockAttestation --
-func (*PoolMock) DeleteBlockAttestation(_ ethpb.Att) error {
+func (*PoolMock) DeleteBlockAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // SaveForkchoiceAttestation --
-func (*PoolMock) SaveForkchoiceAttestation(_ ethpb.Att) error {
+func (*PoolMock) SaveForkchoiceAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // SaveForkchoiceAttestations --
-func (*PoolMock) SaveForkchoiceAttestations(_ []ethpb.Att) error {
+func (*PoolMock) SaveForkchoiceAttestations(_ []*ethpb.Attestation) error {
 	panic("implement me")
 }
 
 // ForkchoiceAttestations --
-func (*PoolMock) ForkchoiceAttestations() []ethpb.Att {
+func (*PoolMock) ForkchoiceAttestations() []*ethpb.Attestation {
 	panic("implement me")
 }
 
 // DeleteForkchoiceAttestation --
-func (*PoolMock) DeleteForkchoiceAttestation(_ ethpb.Att) error {
+func (*PoolMock) DeleteForkchoiceAttestation(_ *ethpb.Attestation) error {
 	panic("implement me")
 }
 

beacon-chain/p2p/BUILD.bazel

@@ -17,6 +17,7 @@ go_library(
         "handshake.go",
         "info.go",
         "interfaces.go",
+        "iterator.go",
         "log.go",
         "message_id.go",
         "monitoring.go",
@@ -74,8 +75,6 @@ go_library(
         "//runtime/version:go_default_library",
         "//time:go_default_library",
         "//time/slots:go_default_library",
-        "@com_github_btcsuite_btcd_btcec_v2//:go_default_library",
-        "@com_github_ethereum_go_ethereum//crypto:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/discover:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/enode:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/enr:go_default_library",
@@ -163,10 +162,12 @@ go_test(
         "//proto/eth/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//proto/testing:go_default_library",
+        "//runtime/version:go_default_library",
         "//testing/assert:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
         "//time:go_default_library",
+        "//time/slots:go_default_library",
         "@com_github_ethereum_go_ethereum//crypto:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/discover:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/enode:go_default_library",

beacon-chain/p2p/broadcaster_test.go

@@ -225,11 +225,11 @@ func TestService_BroadcastAttestationWithDiscoveryAttempts(t *testing.T) {
 	require.NoError(t, err)
 	defer bootListener.Close()
 
-	// Use smaller batch size for testing.
-	currentBatchSize := batchSize
-	batchSize = 2
+	// Use shorter period for testing.
+	currentPeriod := pollingPeriod
+	pollingPeriod = 1 * time.Second
 	defer func() {
-		batchSize = currentBatchSize
+		pollingPeriod = currentPeriod
 	}()
 
 	bootNode := bootListener.Self()

beacon-chain/p2p/connection_gater.go

@@ -33,7 +33,7 @@ func (*Service) InterceptPeerDial(_ peer.ID) (allow bool) {
 // multiaddr for the given peer.
 func (s *Service) InterceptAddrDial(pid peer.ID, m multiaddr.Multiaddr) (allow bool) {
 	// Disallow bad peers from dialing in.
-	if s.peers.IsBad(pid) != nil {
+	if s.peers.IsBad(pid) {
 		return false
 	}
 	return filterConnections(s.addrFilter, m)

beacon-chain/p2p/connection_gater_test.go

@@ -50,7 +50,7 @@ func TestPeer_AtMaxLimit(t *testing.T) {
 	}()
 
 	for i := 0; i < highWatermarkBuffer; i++ {
-		addPeer(t, s.peers, peers.Connected, false)
+		addPeer(t, s.peers, peers.PeerConnected, false)
 	}
 
 	// create alternate host
@@ -159,7 +159,7 @@ func TestService_RejectInboundPeersBeyondLimit(t *testing.T) {
 	inboundLimit += 1
 	// Add in up to inbound peer limit.
 	for i := 0; i < int(inboundLimit); i++ {
-		addPeer(t, s.peers, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED), false)
+		addPeer(t, s.peers, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED), false)
 	}
 	valid = s.InterceptAccept(&maEndpoints{raddr: multiAddress})
 	if valid {

beacon-chain/p2p/discovery.go

@@ -22,7 +22,6 @@ import (
 	ecdsaprysm "github.com/prysmaticlabs/prysm/v5/crypto/ecdsa"
 	"github.com/prysmaticlabs/prysm/v5/runtime/version"
 	"github.com/prysmaticlabs/prysm/v5/time/slots"
-	"github.com/sirupsen/logrus"
 )
 
 type ListenerRebooter interface {
@@ -48,12 +47,10 @@ const (
 	udp6
 )
 
-const quickProtocolEnrKey = "quic"
-
 type quicProtocol uint16
 
 // quicProtocol is the "quic" key, which holds the QUIC port of the node.
-func (quicProtocol) ENRKey() string { return quickProtocolEnrKey }
+func (quicProtocol) ENRKey() string { return "quic" }
 
 type listenerWrapper struct {
 	mu              sync.RWMutex
@@ -136,129 +133,68 @@ func (l *listenerWrapper) RebootListener() error {
 	return nil
 }
 
-// RefreshPersistentSubnets checks that we are tracking our local persistent subnets for a variety of gossip topics.
-// This routine verifies and updates our attestation and sync committee subnets if they have been rotated.
-func (s *Service) RefreshPersistentSubnets() {
-	// Return early if discv5 service isn't running.
+// RefreshENR uses an epoch to refresh the enr entry for our node
+// with the tracked committee ids for the epoch, allowing our node
+// to be dynamically discoverable by others given our tracked committee ids.
+func (s *Service) RefreshENR() {
+	// return early if discv5 isn't running
 	if s.dv5Listener == nil || !s.isInitialized() {
 		return
 	}
-
-	// Get the current epoch.
-	currentSlot := slots.CurrentSlot(uint64(s.genesisTime.Unix()))
-	currentEpoch := slots.ToEpoch(currentSlot)
-
-	// Get our node ID.
-	nodeID := s.dv5Listener.LocalNode().ID()
-
-	// Get our node record.
-	record := s.dv5Listener.Self().Record()
-
-	// Get the version of our metadata.
-	metadataVersion := s.Metadata().Version()
-
-	// Initialize persistent subnets.
-	if err := initializePersistentSubnets(nodeID, currentEpoch); err != nil {
+	currEpoch := slots.ToEpoch(slots.CurrentSlot(uint64(s.genesisTime.Unix())))
+	if err := initializePersistentSubnets(s.dv5Listener.LocalNode().ID(), currEpoch); err != nil {
 		log.WithError(err).Error("Could not initialize persistent subnets")
 		return
 	}
 
-	// Get the current attestation subnet bitfield.
 	bitV := bitfield.NewBitvector64()
-	attestationCommittees := cache.SubnetIDs.GetAllSubnets()
-	for _, idx := range attestationCommittees {
+	committees := cache.SubnetIDs.GetAllSubnets()
+	for _, idx := range committees {
 		bitV.SetBitAt(idx, true)
 	}
-
-	// Get the attestation subnet bitfield we store in our record.
-	inRecordBitV, err := attBitvector(record)
+	currentBitV, err := attBitvector(s.dv5Listener.Self().Record())
 	if err != nil {
 		log.WithError(err).Error("Could not retrieve att bitfield")
 		return
 	}
 
-	// Get the attestation subnet bitfield in our metadata.
-	inMetadataBitV := s.Metadata().AttnetsBitfield()
-
-	// Is our attestation bitvector record up to date?
-	isBitVUpToDate := bytes.Equal(bitV, inRecordBitV) && bytes.Equal(bitV, inMetadataBitV)
-
-	// Compare current epoch with Altair fork epoch
+	// Compare current epoch with our fork epochs
 	altairForkEpoch := params.BeaconConfig().AltairForkEpoch
-
-	if currentEpoch < altairForkEpoch {
+	switch {
+	case currEpoch < altairForkEpoch:
 		// Phase 0 behaviour.
-		if isBitVUpToDate {
-			// Return early if bitfield hasn't changed.
+		if bytes.Equal(bitV, currentBitV) {
+			// return early if bitfield hasn't changed
 			return
 		}
-
-		// Some data changed. Update the record and the metadata.
 		s.updateSubnetRecordWithMetadata(bitV)
-
-		// Ping all peers.
-		s.pingPeersAndLogEnr()
-
-		return
+	default:
+		// Retrieve sync subnets from application level
+		// cache.
+		bitS := bitfield.Bitvector4{byte(0x00)}
+		committees = cache.SyncSubnetIDs.GetAllSubnets(currEpoch)
+		for _, idx := range committees {
+			bitS.SetBitAt(idx, true)
+		}
+		currentBitS, err := syncBitvector(s.dv5Listener.Self().Record())
+		if err != nil {
+			log.WithError(err).Error("Could not retrieve sync bitfield")
+			return
+		}
+		if bytes.Equal(bitV, currentBitV) && bytes.Equal(bitS, currentBitS) &&
+			s.Metadata().Version() == version.Altair {
+			// return early if bitfields haven't changed
+			return
+		}
+		s.updateSubnetRecordWithMetadataV2(bitV, bitS)
 	}
-
-	// Get the current sync subnet bitfield.
-	bitS := bitfield.Bitvector4{byte(0x00)}
-	syncCommittees := cache.SyncSubnetIDs.GetAllSubnets(currentEpoch)
-	for _, idx := range syncCommittees {
-		bitS.SetBitAt(idx, true)
-	}
-
-	// Get the sync subnet bitfield we store in our record.
-	inRecordBitS, err := syncBitvector(record)
-	if err != nil {
-		log.WithError(err).Error("Could not retrieve sync bitfield")
-		return
-	}
-
-	// Get the sync subnet bitfield in our metadata.
-	currentBitSInMetadata := s.Metadata().SyncnetsBitfield()
-
-	// Is our sync bitvector record up to date?
-	isBitSUpToDate := bytes.Equal(bitS, inRecordBitS) && bytes.Equal(bitS, currentBitSInMetadata)
-
-	if metadataVersion == version.Altair && isBitVUpToDate && isBitSUpToDate {
-		// Nothing to do, return early.
-		return
-	}
-
-	// Some data have changed, update our record and metadata.
-	s.updateSubnetRecordWithMetadataV2(bitV, bitS)
-
-	// Ping all peers to inform them of new metadata
-	s.pingPeersAndLogEnr()
+	// ping all peers to inform them of new metadata
+	s.pingPeers()
 }
 
 // listen for new nodes watches for new nodes in the network and adds them to the peerstore.
 func (s *Service) listenForNewNodes() {
-	const (
-		minLogInterval = 1 * time.Minute
-		thresholdLimit = 5
-	)
-
-	peersSummary := func(threshold uint) (uint, uint) {
-		// Retrieve how many active peers we have.
-		activePeers := s.Peers().Active()
-		activePeerCount := uint(len(activePeers))
-
-		// Compute how many peers we are missing to reach the threshold.
-		if activePeerCount >= threshold {
-			return activePeerCount, 0
-		}
-
-		missingPeerCount := threshold - activePeerCount
-
-		return activePeerCount, missingPeerCount
-	}
-
-	var lastLogTime time.Time
-
-	iterator := s.dv5Listener.RandomNodes()
+	iterator := filterNodes(s.ctx, s.dv5Listener.RandomNodes(), s.filterPeer)
 	defer iterator.Close()
 	connectivityTicker := time.NewTicker(1 * time.Minute)
 	thresholdCount := 0
@@ -267,31 +203,25 @@ func (s *Service) listenForNewNodes() {
 		select {
 		case <-s.ctx.Done():
 			return
-
 		case <-connectivityTicker.C:
 			// Skip the connectivity check if not enabled.
 			if !features.Get().EnableDiscoveryReboot {
 				continue
 			}
-
 			if !s.isBelowOutboundPeerThreshold() {
 				// Reset counter if we are beyond the threshold
 				thresholdCount = 0
 				continue
 			}
-
 			thresholdCount++
-
 			// Reboot listener if connectivity drops
-			if thresholdCount > thresholdLimit {
-				outBoundConnectedCount := len(s.peers.OutboundConnected())
-				log.WithField("outboundConnectionCount", outBoundConnectedCount).Warn("Rebooting discovery listener, reached threshold.")
+			if thresholdCount > 5 {
+				log.WithField("outboundConnectionCount", len(s.peers.OutboundConnected())).Warn("Rebooting discovery listener, reached threshold.")
 				if err := s.dv5Listener.RebootListener(); err != nil {
 					log.WithError(err).Error("Could not reboot listener")
 					continue
 				}
-
-				iterator = s.dv5Listener.RandomNodes()
+				iterator = filterNodes(s.ctx, s.dv5Listener.RandomNodes(), s.filterPeer)
 				thresholdCount = 0
 			}
 		default:
@@ -302,35 +232,17 @@ func (s *Service) listenForNewNodes() {
 				time.Sleep(pollingPeriod)
 				continue
 			}
-
-			// Compute the number of new peers we want to dial.
-			activePeerCount, missingPeerCount := peersSummary(s.cfg.MaxPeers)
-
-			fields := logrus.Fields{
-				"currentPeerCount": activePeerCount,
-				"targetPeerCount":  s.cfg.MaxPeers,
-			}
-
-			if missingPeerCount == 0 {
+			wantedCount := s.wantedPeerDials()
+			if wantedCount == 0 {
 				log.Trace("Not looking for peers, at peer limit")
 				time.Sleep(pollingPeriod)
 				continue
 			}
-
-			if time.Since(lastLogTime) > minLogInterval {
-				lastLogTime = time.Now()
-				log.WithFields(fields).Debug("Searching for new active peers")
-			}
-
 			// Restrict dials if limit is applied.
 			if flags.MaxDialIsActive() {
-				maxConcurrentDials := uint(flags.Get().MaxConcurrentDials)
-				missingPeerCount = min(missingPeerCount, maxConcurrentDials)
+				wantedCount = min(wantedCount, flags.Get().MaxConcurrentDials)
 			}
-
-			// Search for new peers.
-			wantedNodes := searchForPeers(iterator, batchSize, missingPeerCount, s.filterPeer)
-
+			wantedNodes := enode.ReadNodes(iterator, wantedCount)
 			wg := new(sync.WaitGroup)
 			for i := 0; i < len(wantedNodes); i++ {
 				node := wantedNodes[i]
@@ -540,14 +452,12 @@ func (s *Service) filterPeer(node *enode.Node) bool {
 	}
 
 	// Ignore bad nodes.
-	if s.peers.IsBad(peerData.ID) != nil {
+	if s.peers.IsBad(peerData.ID) {
 		return false
 	}
 
 	// Ignore nodes that are already active.
 	if s.peers.IsActive(peerData.ID) {
-		// Constantly update enr for known peers
-		s.peers.UpdateENR(node.Record(), peerData.ID)
 		return false
 	}
 
@@ -616,6 +526,17 @@ func (s *Service) isBelowOutboundPeerThreshold() bool {
 	return outBoundCount < outBoundThreshold
 }
 
+func (s *Service) wantedPeerDials() int {
+	maxPeers := int(s.cfg.MaxPeers)
+
+	activePeers := len(s.Peers().Active())
+	wantedCount := 0
+	if maxPeers > activePeers {
+		wantedCount = maxPeers - activePeers
+	}
+	return wantedCount
+}
+
 // PeersFromStringAddrs converts peer raw ENRs into multiaddrs for p2p.
 func PeersFromStringAddrs(addrs []string) ([]ma.Multiaddr, error) {
 	var allAddrs []ma.Multiaddr

beacon-chain/p2p/discovery_test.go

@@ -16,8 +16,6 @@ import (
 	"github.com/ethereum/go-ethereum/p2p/discover"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/p2p/enr"
-	"github.com/libp2p/go-libp2p"
-	"github.com/libp2p/go-libp2p/core/crypto"
 	"github.com/libp2p/go-libp2p/core/host"
 	"github.com/libp2p/go-libp2p/core/network"
 	"github.com/libp2p/go-libp2p/core/peer"
@@ -32,12 +30,13 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/wrapper"
 	leakybucket "github.com/prysmaticlabs/prysm/v5/container/leaky-bucket"
-	ecdsaprysm "github.com/prysmaticlabs/prysm/v5/crypto/ecdsa"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	prysmNetwork "github.com/prysmaticlabs/prysm/v5/network"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
+	"github.com/prysmaticlabs/prysm/v5/runtime/version"
 	"github.com/prysmaticlabs/prysm/v5/testing/assert"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
+	"github.com/prysmaticlabs/prysm/v5/time/slots"
 	logTest "github.com/sirupsen/logrus/hooks/test"
 )
 
@@ -132,10 +131,6 @@ func TestStartDiscV5_DiscoverAllPeers(t *testing.T) {
 }
 
 func TestCreateLocalNode(t *testing.T) {
-	params.SetupTestConfigCleanup(t)
-	cfg := params.BeaconConfig()
-	cfg.Eip7594ForkEpoch = 1
-	params.OverrideBeaconConfig(cfg)
 	testCases := []struct {
 		name          string
 		cfg           *Config
@@ -383,14 +378,14 @@ func TestInboundPeerLimit(t *testing.T) {
 	}
 
 	for i := 0; i < 30; i++ {
-		_ = addPeer(t, s.peers, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED), false)
+		_ = addPeer(t, s.peers, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED), false)
 	}
 
 	require.Equal(t, true, s.isPeerAtLimit(false), "not at limit for outbound peers")
 	require.Equal(t, false, s.isPeerAtLimit(true), "at limit for inbound peers")
 
 	for i := 0; i < highWatermarkBuffer; i++ {
-		_ = addPeer(t, s.peers, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED), false)
+		_ = addPeer(t, s.peers, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED), false)
 	}
 
 	require.Equal(t, true, s.isPeerAtLimit(true), "not at limit for inbound peers")
@@ -409,13 +404,13 @@ func TestOutboundPeerThreshold(t *testing.T) {
 	}
 
 	for i := 0; i < 2; i++ {
-		_ = addPeer(t, s.peers, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED), true)
+		_ = addPeer(t, s.peers, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED), true)
 	}
 
 	require.Equal(t, true, s.isBelowOutboundPeerThreshold(), "not at outbound peer threshold")
 
 	for i := 0; i < 3; i++ {
-		_ = addPeer(t, s.peers, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED), true)
+		_ = addPeer(t, s.peers, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED), true)
 	}
 
 	require.Equal(t, false, s.isBelowOutboundPeerThreshold(), "still at outbound peer threshold")
@@ -482,7 +477,7 @@ func TestCorrectUDPVersion(t *testing.T) {
 }
 
 // addPeer is a helper to add a peer with a given connection state)
-func addPeer(t *testing.T, p *peers.Status, state peerdata.ConnectionState, outbound bool) peer.ID {
+func addPeer(t *testing.T, p *peers.Status, state peerdata.PeerConnectionState, outbound bool) peer.ID {
 	// Set up some peers with different states
 	mhBytes := []byte{0x11, 0x04}
 	idBytes := make([]byte, 4)
@@ -504,270 +499,192 @@ func addPeer(t *testing.T, p *peers.Status, state peerdata.ConnectionState, outb
 	return id
 }
 
-func createAndConnectPeer(t *testing.T, p2pService *testp2p.TestP2P, offset int) {
-	// Create the private key.
-	privateKeyBytes := make([]byte, 32)
-	for i := 0; i < 32; i++ {
-		privateKeyBytes[i] = byte(offset + i)
-	}
-
-	privateKey, err := crypto.UnmarshalSecp256k1PrivateKey(privateKeyBytes)
-	require.NoError(t, err)
-
-	// Create the peer.
-	peer := testp2p.NewTestP2P(t, libp2p.Identity(privateKey))
-
-	// Add the peer and connect it.
-	p2pService.Peers().Add(&enr.Record{}, peer.PeerID(), nil, network.DirOutbound)
-	p2pService.Peers().SetConnectionState(peer.PeerID(), peers.Connected)
-	p2pService.Connect(peer)
-}
-
-// Define the ping count.
-var actualPingCount int
-
-type check struct {
-	pingCount              int
-	metadataSequenceNumber uint64
-	attestationSubnets     []uint64
-	syncSubnets            []uint64
-	custodySubnetCount     *uint64
-}
-
-func checkPingCountCacheMetadataRecord(
-	t *testing.T,
-	service *Service,
-	expected check,
-) {
-	// Check the ping count.
-	require.Equal(t, expected.pingCount, actualPingCount)
-
-	// Check the attestation subnets in the cache.
-	actualAttestationSubnets := cache.SubnetIDs.GetAllSubnets()
-	require.DeepSSZEqual(t, expected.attestationSubnets, actualAttestationSubnets)
-
-	// Check the metadata sequence number.
-	actualMetadataSequenceNumber := service.metaData.SequenceNumber()
-	require.Equal(t, expected.metadataSequenceNumber, actualMetadataSequenceNumber)
-
-	// Compute expected attestation subnets bits.
-	expectedBitV := bitfield.NewBitvector64()
-	exists := false
-
-	for _, idx := range expected.attestationSubnets {
-		exists = true
-		expectedBitV.SetBitAt(idx, true)
-	}
-
-	// Check attnets in ENR.
-	var actualBitVENR bitfield.Bitvector64
-	err := service.dv5Listener.LocalNode().Node().Record().Load(enr.WithEntry(attSubnetEnrKey, &actualBitVENR))
-	require.NoError(t, err)
-	require.DeepSSZEqual(t, expectedBitV, actualBitVENR)
-
-	// Check attnets in metadata.
-	if !exists {
-		expectedBitV = nil
-	}
-
-	actualBitVMetadata := service.metaData.AttnetsBitfield()
-	require.DeepSSZEqual(t, expectedBitV, actualBitVMetadata)
-
-	if expected.syncSubnets != nil {
-		// Compute expected sync subnets bits.
-		expectedBitS := bitfield.NewBitvector4()
-		exists = false
-
-		for _, idx := range expected.syncSubnets {
-			exists = true
-			expectedBitS.SetBitAt(idx, true)
-		}
-
-		// Check syncnets in ENR.
-		var actualBitSENR bitfield.Bitvector4
-		err := service.dv5Listener.LocalNode().Node().Record().Load(enr.WithEntry(syncCommsSubnetEnrKey, &actualBitSENR))
-		require.NoError(t, err)
-		require.DeepSSZEqual(t, expectedBitS, actualBitSENR)
-
-		// Check syncnets in metadata.
-		if !exists {
-			expectedBitS = nil
-		}
-
-		actualBitSMetadata := service.metaData.SyncnetsBitfield()
-		require.DeepSSZEqual(t, expectedBitS, actualBitSMetadata)
-	}
-}
-
-func TestRefreshPersistentSubnets(t *testing.T) {
+func TestRefreshENR_ForkBoundaries(t *testing.T) {
 	params.SetupTestConfigCleanup(t)
-
 	// Clean up caches after usage.
 	defer cache.SubnetIDs.EmptyAllCaches()
-	defer cache.SyncSubnetIDs.EmptyAllCaches()
 
-	const (
-		altairForkEpoch  = 5
-		eip7594ForkEpoch = 10
-	)
-
-	// Set up epochs.
-	defaultCfg := params.BeaconConfig()
-	cfg := defaultCfg.Copy()
-	cfg.AltairForkEpoch = altairForkEpoch
-	cfg.Eip7594ForkEpoch = eip7594ForkEpoch
-	params.OverrideBeaconConfig(cfg)
-
-	// Compute the number of seconds per epoch.
-	secondsPerSlot := params.BeaconConfig().SecondsPerSlot
-	slotsPerEpoch := params.BeaconConfig().SlotsPerEpoch
-	secondsPerEpoch := secondsPerSlot * uint64(slotsPerEpoch)
-
-	testCases := []struct {
-		name              string
-		epochSinceGenesis uint64
-		checks            []check
+	tests := []struct {
+		name           string
+		svcBuilder     func(t *testing.T) *Service
+		postValidation func(t *testing.T, s *Service)
 	}{
 		{
-			name:              "Phase0",
-			epochSinceGenesis: 0,
-			checks: []check{
-				{
-					pingCount:              0,
-					metadataSequenceNumber: 0,
-					attestationSubnets:     []uint64{},
-				},
-				{
-					pingCount:              1,
-					metadataSequenceNumber: 1,
-					attestationSubnets:     []uint64{40, 41},
-				},
-				{
-					pingCount:              1,
-					metadataSequenceNumber: 1,
-					attestationSubnets:     []uint64{40, 41},
-				},
-				{
-					pingCount:              1,
-					metadataSequenceNumber: 1,
-					attestationSubnets:     []uint64{40, 41},
-				},
+			name: "metadata no change",
+			svcBuilder: func(t *testing.T) *Service {
+				port := 2000
+				ipAddr, pkey := createAddrAndPrivKey(t)
+				s := &Service{
+					genesisTime:           time.Now(),
+					genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
+					cfg:                   &Config{UDPPort: uint(port)},
+				}
+				createListener := func() (*discover.UDPv5, error) {
+					return s.createListener(ipAddr, pkey)
+				}
+				listener, err := newListener(createListener)
+				assert.NoError(t, err)
+				s.dv5Listener = listener
+				s.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
+				s.updateSubnetRecordWithMetadata([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+				return s
+			},
+			postValidation: func(t *testing.T, s *Service) {
+				currEpoch := slots.ToEpoch(slots.CurrentSlot(uint64(s.genesisTime.Unix())))
+				subs, err := computeSubscribedSubnets(s.dv5Listener.LocalNode().ID(), currEpoch)
+				assert.NoError(t, err)
+
+				bitV := bitfield.NewBitvector64()
+				for _, idx := range subs {
+					bitV.SetBitAt(idx, true)
+				}
+				assert.DeepEqual(t, bitV, s.metaData.AttnetsBitfield())
 			},
 		},
 		{
-			name:              "Altair",
-			epochSinceGenesis: altairForkEpoch,
-			checks: []check{
-				{
-					pingCount:              0,
-					metadataSequenceNumber: 0,
-					attestationSubnets:     []uint64{},
-					syncSubnets:            nil,
-				},
-				{
-					pingCount:              1,
-					metadataSequenceNumber: 1,
-					attestationSubnets:     []uint64{40, 41},
-					syncSubnets:            nil,
-				},
-				{
-					pingCount:              2,
-					metadataSequenceNumber: 2,
-					attestationSubnets:     []uint64{40, 41},
-					syncSubnets:            []uint64{1, 2},
-				},
-				{
-					pingCount:              2,
-					metadataSequenceNumber: 2,
-					attestationSubnets:     []uint64{40, 41},
-					syncSubnets:            []uint64{1, 2},
-				},
+			name: "metadata updated",
+			svcBuilder: func(t *testing.T) *Service {
+				port := 2000
+				ipAddr, pkey := createAddrAndPrivKey(t)
+				s := &Service{
+					genesisTime:           time.Now(),
+					genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
+					cfg:                   &Config{UDPPort: uint(port)},
+				}
+				createListener := func() (*discover.UDPv5, error) {
+					return s.createListener(ipAddr, pkey)
+				}
+				listener, err := newListener(createListener)
+				assert.NoError(t, err)
+				s.dv5Listener = listener
+				s.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
+				s.updateSubnetRecordWithMetadata([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01})
+				cache.SubnetIDs.AddPersistentCommittee([]uint64{1, 2, 3, 23}, 0)
+				return s
+			},
+			postValidation: func(t *testing.T, s *Service) {
+				assert.DeepEqual(t, bitfield.Bitvector64{0xe, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0}, s.metaData.AttnetsBitfield())
+			},
+		},
+		{
+			name: "metadata updated at fork epoch",
+			svcBuilder: func(t *testing.T) *Service {
+				port := 2000
+				ipAddr, pkey := createAddrAndPrivKey(t)
+				s := &Service{
+					genesisTime:           time.Now().Add(-5 * oneEpochDuration()),
+					genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
+					cfg:                   &Config{UDPPort: uint(port)},
+				}
+				createListener := func() (*discover.UDPv5, error) {
+					return s.createListener(ipAddr, pkey)
+				}
+				listener, err := newListener(createListener)
+				assert.NoError(t, err)
+
+				// Update params
+				cfg := params.BeaconConfig().Copy()
+				cfg.AltairForkEpoch = 5
+				params.OverrideBeaconConfig(cfg)
+				params.BeaconConfig().InitializeForkSchedule()
+
+				s.dv5Listener = listener
+				s.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
+				s.updateSubnetRecordWithMetadata([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01})
+				cache.SubnetIDs.AddPersistentCommittee([]uint64{1, 2, 3, 23}, 0)
+				return s
+			},
+			postValidation: func(t *testing.T, s *Service) {
+				assert.Equal(t, version.Altair, s.metaData.Version())
+				assert.DeepEqual(t, bitfield.Bitvector4{0x00}, s.metaData.MetadataObjV1().Syncnets)
+				assert.DeepEqual(t, bitfield.Bitvector64{0xe, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0}, s.metaData.AttnetsBitfield())
+			},
+		},
+		{
+			name: "metadata updated at fork epoch with no bitfield",
+			svcBuilder: func(t *testing.T) *Service {
+				port := 2000
+				ipAddr, pkey := createAddrAndPrivKey(t)
+				s := &Service{
+					genesisTime:           time.Now().Add(-5 * oneEpochDuration()),
+					genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
+					cfg:                   &Config{UDPPort: uint(port)},
+				}
+				createListener := func() (*discover.UDPv5, error) {
+					return s.createListener(ipAddr, pkey)
+				}
+				listener, err := newListener(createListener)
+				assert.NoError(t, err)
+
+				// Update params
+				cfg := params.BeaconConfig().Copy()
+				cfg.AltairForkEpoch = 5
+				params.OverrideBeaconConfig(cfg)
+				params.BeaconConfig().InitializeForkSchedule()
+
+				s.dv5Listener = listener
+				s.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
+				s.updateSubnetRecordWithMetadata([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+				return s
+			},
+			postValidation: func(t *testing.T, s *Service) {
+				assert.Equal(t, version.Altair, s.metaData.Version())
+				assert.DeepEqual(t, bitfield.Bitvector4{0x00}, s.metaData.MetadataObjV1().Syncnets)
+				currEpoch := slots.ToEpoch(slots.CurrentSlot(uint64(s.genesisTime.Unix())))
+				subs, err := computeSubscribedSubnets(s.dv5Listener.LocalNode().ID(), currEpoch)
+				assert.NoError(t, err)
+
+				bitV := bitfield.NewBitvector64()
+				for _, idx := range subs {
+					bitV.SetBitAt(idx, true)
+				}
+				assert.DeepEqual(t, bitV, s.metaData.AttnetsBitfield())
+			},
+		},
+		{
+			name: "metadata updated past fork epoch with bitfields",
+			svcBuilder: func(t *testing.T) *Service {
+				port := 2000
+				ipAddr, pkey := createAddrAndPrivKey(t)
+				s := &Service{
+					genesisTime:           time.Now().Add(-6 * oneEpochDuration()),
+					genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
+					cfg:                   &Config{UDPPort: uint(port)},
+				}
+				createListener := func() (*discover.UDPv5, error) {
+					return s.createListener(ipAddr, pkey)
+				}
+				listener, err := newListener(createListener)
+				assert.NoError(t, err)
+
+				// Update params
+				cfg := params.BeaconConfig().Copy()
+				cfg.AltairForkEpoch = 5
+				params.OverrideBeaconConfig(cfg)
+				params.BeaconConfig().InitializeForkSchedule()
+
+				s.dv5Listener = listener
+				s.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
+				s.updateSubnetRecordWithMetadata([]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+				cache.SubnetIDs.AddPersistentCommittee([]uint64{1, 2, 3, 23}, 0)
+				cache.SyncSubnetIDs.AddSyncCommitteeSubnets([]byte{'A'}, 0, []uint64{0, 1}, 0)
+				return s
+			},
+			postValidation: func(t *testing.T, s *Service) {
+				assert.Equal(t, version.Altair, s.metaData.Version())
+				assert.DeepEqual(t, bitfield.Bitvector4{0x03}, s.metaData.MetadataObjV1().Syncnets)
+				assert.DeepEqual(t, bitfield.Bitvector64{0xe, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0}, s.metaData.AttnetsBitfield())
 			},
 		},
 	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			const peerOffset = 1
-
-			// Initialize the ping count.
-			actualPingCount = 0
-
-			// Create the private key.
-			privateKeyBytes := make([]byte, 32)
-			for i := 0; i < 32; i++ {
-				privateKeyBytes[i] = byte(i)
-			}
-
-			unmarshalledPrivateKey, err := crypto.UnmarshalSecp256k1PrivateKey(privateKeyBytes)
-			require.NoError(t, err)
-
-			privateKey, err := ecdsaprysm.ConvertFromInterfacePrivKey(unmarshalledPrivateKey)
-			require.NoError(t, err)
-
-			// Create a p2p service.
-			p2p := testp2p.NewTestP2P(t)
-
-			// Create and connect a peer.
-			createAndConnectPeer(t, p2p, peerOffset)
-
-			// Create a service.
-			service := &Service{
-				pingMethod: func(_ context.Context, _ peer.ID) error {
-					actualPingCount++
-					return nil
-				},
-				cfg:                   &Config{UDPPort: 2000},
-				peers:                 p2p.Peers(),
-				genesisTime:           time.Now().Add(-time.Duration(tc.epochSinceGenesis*secondsPerEpoch) * time.Second),
-				genesisValidatorsRoot: bytesutil.PadTo([]byte{'A'}, 32),
-			}
-
-			// Set the listener and the metadata.
-			createListener := func() (*discover.UDPv5, error) {
-				return service.createListener(nil, privateKey)
-			}
-
-			listener, err := newListener(createListener)
-			require.NoError(t, err)
-
-			service.dv5Listener = listener
-			service.metaData = wrapper.WrappedMetadataV0(new(ethpb.MetaDataV0))
-
-			// Run a check.
-			checkPingCountCacheMetadataRecord(t, service, tc.checks[0])
-
-			// Refresh the persistent subnets.
-			service.RefreshPersistentSubnets()
-			time.Sleep(10 * time.Millisecond)
-
-			// Run a check.
-			checkPingCountCacheMetadataRecord(t, service, tc.checks[1])
-
-			// Add a sync committee subnet.
-			cache.SyncSubnetIDs.AddSyncCommitteeSubnets([]byte{'a'}, altairForkEpoch, []uint64{1, 2}, 1*time.Hour)
-
-			// Refresh the persistent subnets.
-			service.RefreshPersistentSubnets()
-			time.Sleep(10 * time.Millisecond)
-
-			// Run a check.
-			checkPingCountCacheMetadataRecord(t, service, tc.checks[2])
-
-			// Refresh the persistent subnets.
-			service.RefreshPersistentSubnets()
-			time.Sleep(10 * time.Millisecond)
-
-			// Run a check.
-			checkPingCountCacheMetadataRecord(t, service, tc.checks[3])
-
-			// Clean the test.
-			service.dv5Listener.Close()
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			s := tt.svcBuilder(t)
+			s.RefreshENR()
+			tt.postValidation(t, s)
+			s.dv5Listener.Close()
 			cache.SubnetIDs.EmptyAllCaches()
 			cache.SyncSubnetIDs.EmptyAllCaches()
 		})
 	}
-
-	// Reset the config.
-	params.OverrideBeaconConfig(defaultCfg)
 }

beacon-chain/p2p/handshake.go

@@ -2,6 +2,7 @@ package p2p
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"sync"
@@ -9,7 +10,6 @@ import (
 
 	"github.com/libp2p/go-libp2p/core/network"
 	"github.com/libp2p/go-libp2p/core/peer"
-	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/peerdata"
 	prysmTime "github.com/prysmaticlabs/prysm/v5/time"
@@ -25,46 +25,6 @@ func peerMultiaddrString(conn network.Conn) string {
 	return fmt.Sprintf("%s/p2p/%s", conn.RemoteMultiaddr().String(), conn.RemotePeer().String())
 }
 
-func (s *Service) connectToPeer(conn network.Conn) {
-	s.peers.SetConnectionState(conn.RemotePeer(), peers.Connected)
-	// Go through the handshake process.
-	log.WithFields(logrus.Fields{
-		"direction":   conn.Stat().Direction.String(),
-		"multiAddr":   peerMultiaddrString(conn),
-		"activePeers": len(s.peers.Active()),
-	}).Debug("Initiate peer connection")
-}
-
-func (s *Service) disconnectFromPeerOnError(
-	conn network.Conn,
-	goodByeFunc func(ctx context.Context, id peer.ID) error,
-	badPeerErr error,
-) {
-	// Get the remote peer ID.
-	remotePeerID := conn.RemotePeer()
-
-	// Set the peer to disconnecting state.
-	s.peers.SetConnectionState(remotePeerID, peers.Disconnecting)
-
-	// Only attempt a goodbye if we are still connected to the peer.
-	if s.host.Network().Connectedness(remotePeerID) == network.Connected {
-		if err := goodByeFunc(context.TODO(), remotePeerID); err != nil {
-			log.WithError(err).Error("Unable to disconnect from peer")
-		}
-	}
-
-	log.
-		WithError(badPeerErr).
-		WithFields(logrus.Fields{
-			"multiaddr":            peerMultiaddrString(conn),
-			"direction":            conn.Stat().Direction.String(),
-			"remainingActivePeers": len(s.peers.Active()),
-		}).
-		Debug("Initiate peer disconnection")
-
-	s.peers.SetConnectionState(remotePeerID, peers.Disconnected)
-}
-
 // AddConnectionHandler adds a callback function which handles the connection with a
 // newly added peer. It performs a handshake with that peer by sending a hello request
 // and validating the response from the peer.
@@ -97,9 +57,18 @@ func (s *Service) AddConnectionHandler(reqFunc, goodByeFunc func(ctx context.Con
 	}
 
 	s.host.Network().Notify(&network.NotifyBundle{
-		ConnectedF: func(_ network.Network, conn network.Conn) {
+		ConnectedF: func(net network.Network, conn network.Conn) {
 			remotePeer := conn.RemotePeer()
-
+			disconnectFromPeer := func() {
+				s.peers.SetConnectionState(remotePeer, peers.PeerDisconnecting)
+				// Only attempt a goodbye if we are still connected to the peer.
+				if s.host.Network().Connectedness(remotePeer) == network.Connected {
+					if err := goodByeFunc(context.TODO(), remotePeer); err != nil {
+						log.WithError(err).Error("Unable to disconnect from peer")
+					}
+				}
+				s.peers.SetConnectionState(remotePeer, peers.PeerDisconnected)
+			}
 			// Connection handler must be non-blocking as part of libp2p design.
 			go func() {
 				if peerHandshaking(remotePeer) {
@@ -108,21 +77,28 @@ func (s *Service) AddConnectionHandler(reqFunc, goodByeFunc func(ctx context.Con
 					return
 				}
 				defer peerFinished(remotePeer)
-
 				// Handle the various pre-existing conditions that will result in us not handshaking.
 				peerConnectionState, err := s.peers.ConnectionState(remotePeer)
-				if err == nil && (peerConnectionState == peers.Connected || peerConnectionState == peers.Connecting) {
+				if err == nil && (peerConnectionState == peers.PeerConnected || peerConnectionState == peers.PeerConnecting) {
 					log.WithField("currentState", peerConnectionState).WithField("reason", "already active").Trace("Ignoring connection request")
 					return
 				}
-
 				s.peers.Add(nil /* ENR */, remotePeer, conn.RemoteMultiaddr(), conn.Stat().Direction)
-
 				// Defensive check in the event we still get a bad peer.
-				if err := s.peers.IsBad(remotePeer); err != nil {
-					s.disconnectFromPeerOnError(conn, goodByeFunc, err)
+				if s.peers.IsBad(remotePeer) {
+					log.WithField("reason", "bad peer").Trace("Ignoring connection request")
+					disconnectFromPeer()
 					return
 				}
+				validPeerConnection := func() {
+					s.peers.SetConnectionState(conn.RemotePeer(), peers.PeerConnected)
+					// Go through the handshake process.
+					log.WithFields(logrus.Fields{
+						"direction":   conn.Stat().Direction,
+						"multiAddr":   peerMultiaddrString(conn),
+						"activePeers": len(s.peers.Active()),
+					}).Debug("Peer connected")
+				}
 
 				// Do not perform handshake on inbound dials.
 				if conn.Stat().Direction == network.DirInbound {
@@ -141,80 +117,63 @@ func (s *Service) AddConnectionHandler(reqFunc, goodByeFunc func(ctx context.Con
 					// If peer hasn't sent a status request, we disconnect with them
 					if _, err := s.peers.ChainState(remotePeer); errors.Is(err, peerdata.ErrPeerUnknown) || errors.Is(err, peerdata.ErrNoPeerStatus) {
 						statusMessageMissing.Inc()
-						s.disconnectFromPeerOnError(conn, goodByeFunc, errors.Wrap(err, "chain state"))
+						disconnectFromPeer()
 						return
 					}
-
 					if peerExists {
 						updated, err := s.peers.ChainStateLastUpdated(remotePeer)
 						if err != nil {
-							s.disconnectFromPeerOnError(conn, goodByeFunc, errors.Wrap(err, "chain state last updated"))
+							disconnectFromPeer()
 							return
 						}
-
-						// Exit if we don't receive any current status messages from peer.
-						if updated.IsZero() {
-							s.disconnectFromPeerOnError(conn, goodByeFunc, errors.New("is zero"))
-							return
-						}
-
-						if updated.Before(currentTime) {
-							s.disconnectFromPeerOnError(conn, goodByeFunc, errors.New("did not update"))
+						// exit if we don't receive any current status messages from
+						// peer.
+						if updated.IsZero() || !updated.After(currentTime) {
+							disconnectFromPeer()
 							return
 						}
 					}
-
-					s.connectToPeer(conn)
+					validPeerConnection()
 					return
 				}
 
-				s.peers.SetConnectionState(conn.RemotePeer(), peers.Connecting)
+				s.peers.SetConnectionState(conn.RemotePeer(), peers.PeerConnecting)
 				if err := reqFunc(context.TODO(), conn.RemotePeer()); err != nil && !errors.Is(err, io.EOF) {
-					s.disconnectFromPeerOnError(conn, goodByeFunc, err)
+					log.WithError(err).Trace("Handshake failed")
+					disconnectFromPeer()
 					return
 				}
-
-				s.connectToPeer(conn)
+				validPeerConnection()
 			}()
 		},
 	})
 }
 
-// AddDisconnectionHandler disconnects from peers. It handles updating the peer status.
+// AddDisconnectionHandler disconnects from peers.  It handles updating the peer status.
 // This also calls the handler responsible for maintaining other parts of the sync or p2p system.
 func (s *Service) AddDisconnectionHandler(handler func(ctx context.Context, id peer.ID) error) {
 	s.host.Network().Notify(&network.NotifyBundle{
 		DisconnectedF: func(net network.Network, conn network.Conn) {
-			peerID := conn.RemotePeer()
-
-			log.WithFields(logrus.Fields{
-				"multiAddr": peerMultiaddrString(conn),
-				"direction": conn.Stat().Direction.String(),
-			})
+			log := log.WithField("multiAddr", peerMultiaddrString(conn))
 			// Must be handled in a goroutine as this callback cannot be blocking.
 			go func() {
 				// Exit early if we are still connected to the peer.
-				if net.Connectedness(peerID) == network.Connected {
+				if net.Connectedness(conn.RemotePeer()) == network.Connected {
 					return
 				}
-
-				priorState, err := s.peers.ConnectionState(peerID)
+				priorState, err := s.peers.ConnectionState(conn.RemotePeer())
 				if err != nil {
 					// Can happen if the peer has already disconnected, so...
-					priorState = peers.Disconnected
+					priorState = peers.PeerDisconnected
 				}
-
-				s.peers.SetConnectionState(peerID, peers.Disconnecting)
+				s.peers.SetConnectionState(conn.RemotePeer(), peers.PeerDisconnecting)
 				if err := handler(context.TODO(), conn.RemotePeer()); err != nil {
 					log.WithError(err).Error("Disconnect handler failed")
 				}
-
-				s.peers.SetConnectionState(peerID, peers.Disconnected)
-
+				s.peers.SetConnectionState(conn.RemotePeer(), peers.PeerDisconnected)
 				// Only log disconnections if we were fully connected.
-				if priorState == peers.Connected {
-					activePeersCount := len(s.peers.Active())
-					log.WithField("remainingActivePeers", activePeersCount).Debug("Peer disconnected")
+				if priorState == peers.PeerConnected {
+					log.WithField("activePeers", len(s.peers.Active())).Debug("Peer disconnected")
 				}
 			}()
 		},

beacon-chain/p2p/interfaces.go

@@ -82,7 +82,7 @@ type PeerManager interface {
 	Host() host.Host
 	ENR() *enr.Record
 	DiscoveryAddresses() ([]multiaddr.Multiaddr, error)
-	RefreshPersistentSubnets()
+	RefreshENR()
 	FindPeersWithSubnet(ctx context.Context, topic string, subIndex uint64, threshold int) (bool, error)
 	AddPingMethod(reqFunc func(ctx context.Context, id peer.ID) error)
 }

beacon-chain/p2p/iterator.go

@@ -0,0 +1,36 @@
+package p2p
+
+import (
+	"context"
+
+	"github.com/ethereum/go-ethereum/p2p/enode"
+)
+
+// filterNodes wraps an iterator such that Next only returns nodes for which
+// the 'check' function returns true. This custom implementation also
+// checks for context deadlines so that in the event the parent context has
+// expired, we do exit from the search rather than  perform more network
+// lookups for additional peers.
+func filterNodes(ctx context.Context, it enode.Iterator, check func(*enode.Node) bool) enode.Iterator {
+	return &filterIter{ctx, it, check}
+}
+
+type filterIter struct {
+	context.Context
+	enode.Iterator
+	check func(*enode.Node) bool
+}
+
+// Next looks up for the next valid node according to our
+// filter criteria.
+func (f *filterIter) Next() bool {
+	for f.Iterator.Next() {
+		if f.Context.Err() != nil {
+			return false
+		}
+		if f.check(f.Node()) {
+			return true
+		}
+	}
+	return false
+}

beacon-chain/p2p/peers/peerdata/store.go

@@ -23,8 +23,8 @@ var (
 	ErrNoPeerStatus = errors.New("no chain status for peer")
 )
 
-// ConnectionState is the state of the connection.
-type ConnectionState ethpb.ConnectionState
+// PeerConnectionState is the state of the connection.
+type PeerConnectionState ethpb.ConnectionState
 
 // StoreConfig holds peer store parameters.
 type StoreConfig struct {
@@ -49,7 +49,7 @@ type PeerData struct {
 	// Network related data.
 	Address       ma.Multiaddr
 	Direction     network.Direction
-	ConnState     ConnectionState
+	ConnState     PeerConnectionState
 	Enr           *enr.Record
 	NextValidTime time.Time
 	// Chain related data.

beacon-chain/p2p/peers/scorers/BUILD.bazel

@@ -20,7 +20,6 @@ go_library(
         "//crypto/rand:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "@com_github_libp2p_go_libp2p//core/peer:go_default_library",
-        "@com_github_pkg_errors//:go_default_library",
     ],
 )
 

beacon-chain/p2p/peers/scorers/bad_responses.go

@@ -4,7 +4,6 @@ import (
 	"time"
 
 	"github.com/libp2p/go-libp2p/core/peer"
-	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/peerdata"
 )
 
@@ -62,7 +61,7 @@ func (s *BadResponsesScorer) Score(pid peer.ID) float64 {
 
 // scoreNoLock is a lock-free version of Score.
 func (s *BadResponsesScorer) scoreNoLock(pid peer.ID) float64 {
-	if s.isBadPeerNoLock(pid) != nil {
+	if s.isBadPeerNoLock(pid) {
 		return BadPeerScore
 	}
 	score := float64(0)
@@ -117,24 +116,18 @@ func (s *BadResponsesScorer) Increment(pid peer.ID) {
 
 // IsBadPeer states if the peer is to be considered bad.
 // If the peer is unknown this will return `false`, which makes using this function easier than returning an error.
-func (s *BadResponsesScorer) IsBadPeer(pid peer.ID) error {
+func (s *BadResponsesScorer) IsBadPeer(pid peer.ID) bool {
 	s.store.RLock()
 	defer s.store.RUnlock()
-
 	return s.isBadPeerNoLock(pid)
 }
 
 // isBadPeerNoLock is lock-free version of IsBadPeer.
-func (s *BadResponsesScorer) isBadPeerNoLock(pid peer.ID) error {
+func (s *BadResponsesScorer) isBadPeerNoLock(pid peer.ID) bool {
 	if peerData, ok := s.store.PeerData(pid); ok {
-		if peerData.BadResponses >= s.config.Threshold {
-			return errors.Errorf("peer exceeded bad responses threshold: got %d, threshold %d", peerData.BadResponses, s.config.Threshold)
-		}
-
-		return nil
+		return peerData.BadResponses >= s.config.Threshold
 	}
-
-	return nil
+	return false
 }
 
 // BadPeers returns the peers that are considered bad.
@@ -144,7 +137,7 @@ func (s *BadResponsesScorer) BadPeers() []peer.ID {
 
 	badPeers := make([]peer.ID, 0)
 	for pid := range s.store.Peers() {
-		if s.isBadPeerNoLock(pid) != nil {
+		if s.isBadPeerNoLock(pid) {
 			badPeers = append(badPeers, pid)
 		}
 	}

beacon-chain/p2p/peers/scorers/bad_responses_test.go

@@ -33,19 +33,19 @@ func TestScorers_BadResponses_Score(t *testing.T) {
 	assert.Equal(t, 0., scorer.Score(pid), "Unexpected score for unregistered peer")
 
 	scorer.Increment(pid)
-	assert.NoError(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, false, scorer.IsBadPeer(pid))
 	assert.Equal(t, -2.5, scorer.Score(pid))
 
 	scorer.Increment(pid)
-	assert.NoError(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, false, scorer.IsBadPeer(pid))
 	assert.Equal(t, float64(-5), scorer.Score(pid))
 
 	scorer.Increment(pid)
-	assert.NoError(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, false, scorer.IsBadPeer(pid))
 	assert.Equal(t, float64(-7.5), scorer.Score(pid))
 
 	scorer.Increment(pid)
-	assert.NotNil(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, true, scorer.IsBadPeer(pid))
 	assert.Equal(t, -100.0, scorer.Score(pid))
 }
 
@@ -152,17 +152,17 @@ func TestScorers_BadResponses_IsBadPeer(t *testing.T) {
 	})
 	scorer := peerStatuses.Scorers().BadResponsesScorer()
 	pid := peer.ID("peer1")
-	assert.NoError(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, false, scorer.IsBadPeer(pid))
 
 	peerStatuses.Add(nil, pid, nil, network.DirUnknown)
-	assert.NoError(t, scorer.IsBadPeer(pid))
+	assert.Equal(t, false, scorer.IsBadPeer(pid))
 
 	for i := 0; i < scorers.DefaultBadResponsesThreshold; i++ {
 		scorer.Increment(pid)
 		if i == scorers.DefaultBadResponsesThreshold-1 {
-			assert.NotNil(t, scorer.IsBadPeer(pid), "Unexpected peer status")
+			assert.Equal(t, true, scorer.IsBadPeer(pid), "Unexpected peer status")
 		} else {
-			assert.NoError(t, scorer.IsBadPeer(pid), "Unexpected peer status")
+			assert.Equal(t, false, scorer.IsBadPeer(pid), "Unexpected peer status")
 		}
 	}
 }
@@ -185,11 +185,11 @@ func TestScorers_BadResponses_BadPeers(t *testing.T) {
 		scorer.Increment(pids[2])
 		scorer.Increment(pids[4])
 	}
-	assert.NoError(t, scorer.IsBadPeer(pids[0]), "Invalid peer status")
-	assert.NotNil(t, scorer.IsBadPeer(pids[1]), "Invalid peer status")
-	assert.NotNil(t, scorer.IsBadPeer(pids[2]), "Invalid peer status")
-	assert.NoError(t, scorer.IsBadPeer(pids[3]), "Invalid peer status")
-	assert.NotNil(t, scorer.IsBadPeer(pids[4]), "Invalid peer status")
+	assert.Equal(t, false, scorer.IsBadPeer(pids[0]), "Invalid peer status")
+	assert.Equal(t, true, scorer.IsBadPeer(pids[1]), "Invalid peer status")
+	assert.Equal(t, true, scorer.IsBadPeer(pids[2]), "Invalid peer status")
+	assert.Equal(t, false, scorer.IsBadPeer(pids[3]), "Invalid peer status")
+	assert.Equal(t, true, scorer.IsBadPeer(pids[4]), "Invalid peer status")
 	want := []peer.ID{pids[1], pids[2], pids[4]}
 	badPeers := scorer.BadPeers()
 	sort.Slice(badPeers, func(i, j int) bool {

beacon-chain/p2p/peers/scorers/block_providers.go

@@ -177,8 +177,8 @@ func (s *BlockProviderScorer) processedBlocksNoLock(pid peer.ID) uint64 {
 // Block provider scorer cannot guarantee that lower score of a peer is indeed a sign of a bad peer.
 // Therefore this scorer never marks peers as bad, and relies on scores to probabilistically sort
 // out low-scorers (see WeightSorted method).
-func (*BlockProviderScorer) IsBadPeer(_ peer.ID) error {
-	return nil
+func (*BlockProviderScorer) IsBadPeer(_ peer.ID) bool {
+	return false
 }
 
 // BadPeers returns the peers that are considered bad.

beacon-chain/p2p/peers/scorers/block_providers_test.go

@@ -119,7 +119,7 @@ func TestScorers_BlockProvider_Score(t *testing.T) {
 	}
 
 	for _, tt := range tests {
-		t.Run(tt.name, func(*testing.T) {
+		t.Run(tt.name, func(t *testing.T) {
 			peerStatuses := peers.NewStatus(ctx, &peers.StatusConfig{
 				PeerLimit: 30,
 				ScorerParams: &scorers.Config{
@@ -224,7 +224,7 @@ func TestScorers_BlockProvider_Sorted(t *testing.T) {
 	}{
 		{
 			name:   "no peers",
-			update: func(*scorers.BlockProviderScorer) {},
+			update: func(s *scorers.BlockProviderScorer) {},
 			have:   []peer.ID{},
 			want:   []peer.ID{},
 		},
@@ -451,7 +451,7 @@ func TestScorers_BlockProvider_FormatScorePretty(t *testing.T) {
 		})
 	}
 	for _, tt := range tests {
-		t.Run(tt.name, func(*testing.T) {
+		t.Run(tt.name, func(t *testing.T) {
 			peerStatuses := peerStatusGen()
 			scorer := peerStatuses.Scorers().BlockProviderScorer()
 			if tt.update != nil {
@@ -481,8 +481,8 @@ func TestScorers_BlockProvider_BadPeerMarking(t *testing.T) {
 	})
 	scorer := peerStatuses.Scorers().BlockProviderScorer()
 
-	assert.NoError(t, scorer.IsBadPeer("peer1"), "Unexpected status for unregistered peer")
+	assert.Equal(t, false, scorer.IsBadPeer("peer1"), "Unexpected status for unregistered peer")
 	scorer.IncrementProcessedBlocks("peer1", 64)
-	assert.NoError(t, scorer.IsBadPeer("peer1"))
+	assert.Equal(t, false, scorer.IsBadPeer("peer1"))
 	assert.Equal(t, 0, len(scorer.BadPeers()))
 }

beacon-chain/p2p/peers/scorers/gossip_scorer.go

@@ -2,7 +2,6 @@ package scorers
 
 import (
 	"github.com/libp2p/go-libp2p/core/peer"
-	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/peerdata"
 	pbrpc "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 )
@@ -52,24 +51,19 @@ func (s *GossipScorer) scoreNoLock(pid peer.ID) float64 {
 }
 
 // IsBadPeer states if the peer is to be considered bad.
-func (s *GossipScorer) IsBadPeer(pid peer.ID) error {
+func (s *GossipScorer) IsBadPeer(pid peer.ID) bool {
 	s.store.RLock()
 	defer s.store.RUnlock()
 	return s.isBadPeerNoLock(pid)
 }
 
 // isBadPeerNoLock is lock-free version of IsBadPeer.
-func (s *GossipScorer) isBadPeerNoLock(pid peer.ID) error {
+func (s *GossipScorer) isBadPeerNoLock(pid peer.ID) bool {
 	peerData, ok := s.store.PeerData(pid)
 	if !ok {
-		return nil
+		return false
 	}
-
-	if peerData.GossipScore < gossipThreshold {
-		return errors.Errorf("gossip score below threshold: got %f - threshold %f", peerData.GossipScore, gossipThreshold)
-	}
-
-	return nil
+	return peerData.GossipScore < gossipThreshold
 }
 
 // BadPeers returns the peers that are considered bad.
@@ -79,7 +73,7 @@ func (s *GossipScorer) BadPeers() []peer.ID {
 
 	badPeers := make([]peer.ID, 0)
 	for pid := range s.store.Peers() {
-		if s.isBadPeerNoLock(pid) != nil {
+		if s.isBadPeerNoLock(pid) {
 			badPeers = append(badPeers, pid)
 		}
 	}

beacon-chain/p2p/peers/scorers/gossip_scorer_test.go

@@ -21,7 +21,7 @@ func TestScorers_Gossip_Score(t *testing.T) {
 	}{
 		{
 			name: "nonexistent peer",
-			update: func(*scorers.GossipScorer) {
+			update: func(scorer *scorers.GossipScorer) {
 			},
 			check: func(scorer *scorers.GossipScorer) {
 				assert.Equal(t, 0.0, scorer.Score("peer1"), "Unexpected score")
@@ -34,7 +34,7 @@ func TestScorers_Gossip_Score(t *testing.T) {
 			},
 			check: func(scorer *scorers.GossipScorer) {
 				assert.Equal(t, -101.0, scorer.Score("peer1"), "Unexpected score")
-				assert.NotNil(t, scorer.IsBadPeer("peer1"), "Unexpected good peer")
+				assert.Equal(t, true, scorer.IsBadPeer("peer1"), "Unexpected good peer")
 			},
 		},
 		{
@@ -44,7 +44,7 @@ func TestScorers_Gossip_Score(t *testing.T) {
 			},
 			check: func(scorer *scorers.GossipScorer) {
 				assert.Equal(t, 10.0, scorer.Score("peer1"), "Unexpected score")
-				assert.Equal(t, nil, scorer.IsBadPeer("peer1"), "Unexpected bad peer")
+				assert.Equal(t, false, scorer.IsBadPeer("peer1"), "Unexpected bad peer")
 				_, _, topicMap, err := scorer.GossipData("peer1")
 				assert.NoError(t, err)
 				assert.Equal(t, uint64(100), topicMap["a"].TimeInMesh, "incorrect time in mesh")
@@ -53,7 +53,7 @@ func TestScorers_Gossip_Score(t *testing.T) {
 	}
 
 	for _, tt := range tests {
-		t.Run(tt.name, func(*testing.T) {
+		t.Run(tt.name, func(t *testing.T) {
 			peerStatuses := peers.NewStatus(ctx, &peers.StatusConfig{
 				ScorerParams: &scorers.Config{},
 			})

beacon-chain/p2p/peers/scorers/peer_status.go

@@ -46,7 +46,7 @@ func (s *PeerStatusScorer) Score(pid peer.ID) float64 {
 
 // scoreNoLock is a lock-free version of Score.
 func (s *PeerStatusScorer) scoreNoLock(pid peer.ID) float64 {
-	if s.isBadPeerNoLock(pid) != nil {
+	if s.isBadPeerNoLock(pid) {
 		return BadPeerScore
 	}
 	score := float64(0)
@@ -67,34 +67,30 @@ func (s *PeerStatusScorer) scoreNoLock(pid peer.ID) float64 {
 }
 
 // IsBadPeer states if the peer is to be considered bad.
-func (s *PeerStatusScorer) IsBadPeer(pid peer.ID) error {
+func (s *PeerStatusScorer) IsBadPeer(pid peer.ID) bool {
 	s.store.RLock()
 	defer s.store.RUnlock()
-
 	return s.isBadPeerNoLock(pid)
 }
 
 // isBadPeerNoLock is lock-free version of IsBadPeer.
-func (s *PeerStatusScorer) isBadPeerNoLock(pid peer.ID) error {
+func (s *PeerStatusScorer) isBadPeerNoLock(pid peer.ID) bool {
 	peerData, ok := s.store.PeerData(pid)
 	if !ok {
-		return nil
+		return false
 	}
-
 	// Mark peer as bad, if the latest error is one of the terminal ones.
 	terminalErrs := []error{
 		p2ptypes.ErrWrongForkDigestVersion,
 		p2ptypes.ErrInvalidFinalizedRoot,
 		p2ptypes.ErrInvalidRequest,
 	}
-
 	for _, err := range terminalErrs {
 		if errors.Is(peerData.ChainStateValidationError, err) {
-			return err
+			return true
 		}
 	}
-
-	return nil
+	return false
 }
 
 // BadPeers returns the peers that are considered bad.
@@ -104,7 +100,7 @@ func (s *PeerStatusScorer) BadPeers() []peer.ID {
 
 	badPeers := make([]peer.ID, 0)
 	for pid := range s.store.Peers() {
-		if s.isBadPeerNoLock(pid) != nil {
+		if s.isBadPeerNoLock(pid) {
 			badPeers = append(badPeers, pid)
 		}
 	}

beacon-chain/p2p/peers/scorers/peer_status_test.go

@@ -122,7 +122,7 @@ func TestScorers_PeerStatus_Score(t *testing.T) {
 	}
 
 	for _, tt := range tests {
-		t.Run(tt.name, func(*testing.T) {
+		t.Run(tt.name, func(t *testing.T) {
 			peerStatuses := peers.NewStatus(ctx, &peers.StatusConfig{
 				ScorerParams: &scorers.Config{},
 			})
@@ -140,12 +140,12 @@ func TestScorers_PeerStatus_IsBadPeer(t *testing.T) {
 		ScorerParams: &scorers.Config{},
 	})
 	pid := peer.ID("peer1")
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer(pid))
-	assert.NoError(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer(pid))
+	assert.Equal(t, false, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid))
 
 	peerStatuses.Scorers().PeerStatusScorer().SetPeerStatus(pid, &pb.Status{}, p2ptypes.ErrWrongForkDigestVersion)
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer(pid))
-	assert.NotNil(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer(pid))
+	assert.Equal(t, true, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid))
 }
 
 func TestScorers_PeerStatus_BadPeers(t *testing.T) {
@@ -155,22 +155,22 @@ func TestScorers_PeerStatus_BadPeers(t *testing.T) {
 	pid1 := peer.ID("peer1")
 	pid2 := peer.ID("peer2")
 	pid3 := peer.ID("peer3")
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer(pid1))
-	assert.NoError(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid1))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer(pid2))
-	assert.NoError(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid2))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer(pid3))
-	assert.NoError(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid3))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer(pid1))
+	assert.Equal(t, false, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid1))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer(pid2))
+	assert.Equal(t, false, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid2))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer(pid3))
+	assert.Equal(t, false, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid3))
 
 	peerStatuses.Scorers().PeerStatusScorer().SetPeerStatus(pid1, &pb.Status{}, p2ptypes.ErrWrongForkDigestVersion)
 	peerStatuses.Scorers().PeerStatusScorer().SetPeerStatus(pid2, &pb.Status{}, nil)
 	peerStatuses.Scorers().PeerStatusScorer().SetPeerStatus(pid3, &pb.Status{}, p2ptypes.ErrWrongForkDigestVersion)
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer(pid1))
-	assert.NotNil(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid1))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer(pid2))
-	assert.NoError(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid2))
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer(pid3))
-	assert.NotNil(t, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid3))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer(pid1))
+	assert.Equal(t, true, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid1))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer(pid2))
+	assert.Equal(t, false, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid2))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer(pid3))
+	assert.Equal(t, true, peerStatuses.Scorers().PeerStatusScorer().IsBadPeer(pid3))
 	assert.Equal(t, 2, len(peerStatuses.Scorers().PeerStatusScorer().BadPeers()))
 	assert.Equal(t, 2, len(peerStatuses.Scorers().BadPeers()))
 }

beacon-chain/p2p/peers/scorers/service.go

@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"github.com/libp2p/go-libp2p/core/peer"
-	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/peerdata"
 	"github.com/prysmaticlabs/prysm/v5/config/features"
 )
@@ -25,7 +24,7 @@ const BadPeerScore = gossipThreshold
 // Scorer defines minimum set of methods every peer scorer must expose.
 type Scorer interface {
 	Score(pid peer.ID) float64
-	IsBadPeer(pid peer.ID) error
+	IsBadPeer(pid peer.ID) bool
 	BadPeers() []peer.ID
 }
 
@@ -125,29 +124,26 @@ func (s *Service) ScoreNoLock(pid peer.ID) float64 {
 }
 
 // IsBadPeer traverses all the scorers to see if any of them classifies peer as bad.
-func (s *Service) IsBadPeer(pid peer.ID) error {
+func (s *Service) IsBadPeer(pid peer.ID) bool {
 	s.store.RLock()
 	defer s.store.RUnlock()
 	return s.IsBadPeerNoLock(pid)
 }
 
 // IsBadPeerNoLock is a lock-free version of IsBadPeer.
-func (s *Service) IsBadPeerNoLock(pid peer.ID) error {
-	if err := s.scorers.badResponsesScorer.isBadPeerNoLock(pid); err != nil {
-		return errors.Wrap(err, "bad responses scorer")
+func (s *Service) IsBadPeerNoLock(pid peer.ID) bool {
+	if s.scorers.badResponsesScorer.isBadPeerNoLock(pid) {
+		return true
 	}
-
-	if err := s.scorers.peerStatusScorer.isBadPeerNoLock(pid); err != nil {
-		return errors.Wrap(err, "peer status scorer")
+	if s.scorers.peerStatusScorer.isBadPeerNoLock(pid) {
+		return true
 	}
-
 	if features.Get().EnablePeerScorer {
-		if err := s.scorers.gossipScorer.isBadPeerNoLock(pid); err != nil {
-			return errors.Wrap(err, "gossip scorer")
+		if s.scorers.gossipScorer.isBadPeerNoLock(pid) {
+			return true
 		}
 	}
-
-	return nil
+	return false
 }
 
 // BadPeers returns the peers that are considered bad by any of registered scorers.
@@ -157,7 +153,7 @@ func (s *Service) BadPeers() []peer.ID {
 
 	badPeers := make([]peer.ID, 0)
 	for pid := range s.store.Peers() {
-		if s.IsBadPeerNoLock(pid) != nil {
+		if s.IsBadPeerNoLock(pid) {
 			badPeers = append(badPeers, pid)
 		}
 	}

beacon-chain/p2p/peers/scorers/service_test.go

@@ -100,7 +100,7 @@ func TestScorers_Service_Score(t *testing.T) {
 		return scores
 	}
 
-	pack := func(_ *scorers.Service, s1, s2, s3 float64) map[string]float64 {
+	pack := func(scorer *scorers.Service, s1, s2, s3 float64) map[string]float64 {
 		return map[string]float64{
 			"peer1": roundScore(s1),
 			"peer2": roundScore(s2),
@@ -237,7 +237,7 @@ func TestScorers_Service_loop(t *testing.T) {
 	for i := 0; i < s1.Params().Threshold+5; i++ {
 		s1.Increment(pid1)
 	}
-	assert.NotNil(t, s1.IsBadPeer(pid1), "Peer should be marked as bad")
+	assert.Equal(t, true, s1.IsBadPeer(pid1), "Peer should be marked as bad")
 
 	s2.IncrementProcessedBlocks("peer1", 221)
 	assert.Equal(t, uint64(221), s2.ProcessedBlocks("peer1"))
@@ -252,7 +252,7 @@ func TestScorers_Service_loop(t *testing.T) {
 		for {
 			select {
 			case <-ticker.C:
-				if s1.IsBadPeer(pid1) == nil && s2.ProcessedBlocks("peer1") == 0 {
+				if s1.IsBadPeer(pid1) == false && s2.ProcessedBlocks("peer1") == 0 {
 					return
 				}
 			case <-ctx.Done():
@@ -263,7 +263,7 @@ func TestScorers_Service_loop(t *testing.T) {
 	}()
 
 	<-done
-	assert.NoError(t, s1.IsBadPeer(pid1), "Peer should not be marked as bad")
+	assert.Equal(t, false, s1.IsBadPeer(pid1), "Peer should not be marked as bad")
 	assert.Equal(t, uint64(0), s2.ProcessedBlocks("peer1"), "No blocks are expected")
 }
 
@@ -278,10 +278,10 @@ func TestScorers_Service_IsBadPeer(t *testing.T) {
 		},
 	})
 
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer("peer1"))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer("peer1"))
 	peerStatuses.Scorers().BadResponsesScorer().Increment("peer1")
 	peerStatuses.Scorers().BadResponsesScorer().Increment("peer1")
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer("peer1"))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer("peer1"))
 }
 
 func TestScorers_Service_BadPeers(t *testing.T) {
@@ -295,16 +295,16 @@ func TestScorers_Service_BadPeers(t *testing.T) {
 		},
 	})
 
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer("peer1"))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer("peer2"))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer("peer3"))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer("peer1"))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer("peer2"))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer("peer3"))
 	assert.Equal(t, 0, len(peerStatuses.Scorers().BadPeers()))
 	for _, pid := range []peer.ID{"peer1", "peer3"} {
 		peerStatuses.Scorers().BadResponsesScorer().Increment(pid)
 		peerStatuses.Scorers().BadResponsesScorer().Increment(pid)
 	}
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer("peer1"))
-	assert.NoError(t, peerStatuses.Scorers().IsBadPeer("peer2"))
-	assert.NotNil(t, peerStatuses.Scorers().IsBadPeer("peer3"))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer("peer1"))
+	assert.Equal(t, false, peerStatuses.Scorers().IsBadPeer("peer2"))
+	assert.Equal(t, true, peerStatuses.Scorers().IsBadPeer("peer3"))
 	assert.Equal(t, 2, len(peerStatuses.Scorers().BadPeers()))
 }

beacon-chain/p2p/peers/status.go

@@ -34,7 +34,6 @@ import (
 	"github.com/libp2p/go-libp2p/core/peer"
 	ma "github.com/multiformats/go-multiaddr"
 	manet "github.com/multiformats/go-multiaddr/net"
-	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/go-bitfield"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/peerdata"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/peers/scorers"
@@ -50,14 +49,14 @@ import (
 )
 
 const (
-	// Disconnected means there is no connection to the peer.
-	Disconnected peerdata.ConnectionState = iota
-	// Disconnecting means there is an on-going attempt to disconnect from the peer.
-	Disconnecting
-	// Connected means the peer has an active connection.
-	Connected
-	// Connecting means there is an on-going attempt to connect to the peer.
-	Connecting
+	// PeerDisconnected means there is no connection to the peer.
+	PeerDisconnected peerdata.PeerConnectionState = iota
+	// PeerDisconnecting means there is an on-going attempt to disconnect from the peer.
+	PeerDisconnecting
+	// PeerConnected means the peer has an active connection.
+	PeerConnected
+	// PeerConnecting means there is an on-going attempt to connect to the peer.
+	PeerConnecting
 )
 
 const (
@@ -118,15 +117,6 @@ func NewStatus(ctx context.Context, config *StatusConfig) *Status {
 	}
 }
 
-func (p *Status) UpdateENR(record *enr.Record, pid peer.ID) {
-	p.store.Lock()
-	defer p.store.Unlock()
-
-	if peerData, ok := p.store.PeerData(pid); ok {
-		peerData.Enr = record
-	}
-}
-
 // Scorers exposes peer scoring management service.
 func (p *Status) Scorers() *scorers.Service {
 	return p.scorers
@@ -160,7 +150,7 @@ func (p *Status) Add(record *enr.Record, pid peer.ID, address ma.Multiaddr, dire
 		Address:   address,
 		Direction: direction,
 		// Peers start disconnected; state will be updated when the handshake process begins.
-		ConnState: Disconnected,
+		ConnState: PeerDisconnected,
 	}
 	if record != nil {
 		peerData.Enr = record
@@ -222,7 +212,7 @@ func (p *Status) IsActive(pid peer.ID) bool {
 	defer p.store.RUnlock()
 
 	peerData, ok := p.store.PeerData(pid)
-	return ok && (peerData.ConnState == Connected || peerData.ConnState == Connecting)
+	return ok && (peerData.ConnState == PeerConnected || peerData.ConnState == PeerConnecting)
 }
 
 // IsAboveInboundLimit checks if we are above our current inbound
@@ -232,7 +222,7 @@ func (p *Status) IsAboveInboundLimit() bool {
 	defer p.store.RUnlock()
 	totalInbound := 0
 	for _, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected &&
+		if peerData.ConnState == PeerConnected &&
 			peerData.Direction == network.DirInbound {
 			totalInbound += 1
 		}
@@ -296,7 +286,7 @@ func (p *Status) SubscribedToSubnet(index uint64) []peer.ID {
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
 		// look at active peers
-		connectedStatus := peerData.ConnState == Connecting || peerData.ConnState == Connected
+		connectedStatus := peerData.ConnState == PeerConnecting || peerData.ConnState == PeerConnected
 		if connectedStatus && peerData.MetaData != nil && !peerData.MetaData.IsNil() && peerData.MetaData.AttnetsBitfield() != nil {
 			indices := indicesFromBitfield(peerData.MetaData.AttnetsBitfield())
 			for _, idx := range indices {
@@ -311,7 +301,7 @@ func (p *Status) SubscribedToSubnet(index uint64) []peer.ID {
 }
 
 // SetConnectionState sets the connection state of the given remote peer.
-func (p *Status) SetConnectionState(pid peer.ID, state peerdata.ConnectionState) {
+func (p *Status) SetConnectionState(pid peer.ID, state peerdata.PeerConnectionState) {
 	p.store.Lock()
 	defer p.store.Unlock()
 
@@ -321,14 +311,14 @@ func (p *Status) SetConnectionState(pid peer.ID, state peerdata.ConnectionState)
 
 // ConnectionState gets the connection state of the given remote peer.
 // This will error if the peer does not exist.
-func (p *Status) ConnectionState(pid peer.ID) (peerdata.ConnectionState, error) {
+func (p *Status) ConnectionState(pid peer.ID) (peerdata.PeerConnectionState, error) {
 	p.store.RLock()
 	defer p.store.RUnlock()
 
 	if peerData, ok := p.store.PeerData(pid); ok {
 		return peerData.ConnState, nil
 	}
-	return Disconnected, peerdata.ErrPeerUnknown
+	return PeerDisconnected, peerdata.ErrPeerUnknown
 }
 
 // ChainStateLastUpdated gets the last time the chain state of the given remote peer was updated.
@@ -345,29 +335,19 @@ func (p *Status) ChainStateLastUpdated(pid peer.ID) (time.Time, error) {
 
 // IsBad states if the peer is to be considered bad (by *any* of the registered scorers).
 // If the peer is unknown this will return `false`, which makes using this function easier than returning an error.
-func (p *Status) IsBad(pid peer.ID) error {
+func (p *Status) IsBad(pid peer.ID) bool {
 	p.store.RLock()
 	defer p.store.RUnlock()
-
 	return p.isBad(pid)
 }
 
 // isBad is the lock-free version of IsBad.
-func (p *Status) isBad(pid peer.ID) error {
+func (p *Status) isBad(pid peer.ID) bool {
 	// Do not disconnect from trusted peers.
 	if p.store.IsTrustedPeer(pid) {
-		return nil
+		return false
 	}
-
-	if err := p.isfromBadIP(pid); err != nil {
-		return errors.Wrap(err, "peer is from a bad IP")
-	}
-
-	if err := p.scorers.IsBadPeerNoLock(pid); err != nil {
-		return errors.Wrap(err, "is bad peer no lock")
-	}
-
-	return nil
+	return p.isfromBadIP(pid) || p.scorers.IsBadPeerNoLock(pid)
 }
 
 // NextValidTime gets the earliest possible time it is to contact/dial
@@ -431,7 +411,7 @@ func (p *Status) Connecting() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connecting {
+		if peerData.ConnState == PeerConnecting {
 			peers = append(peers, pid)
 		}
 	}
@@ -444,7 +424,7 @@ func (p *Status) Connected() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected {
+		if peerData.ConnState == PeerConnected {
 			peers = append(peers, pid)
 		}
 	}
@@ -470,7 +450,7 @@ func (p *Status) InboundConnected() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected && peerData.Direction == network.DirInbound {
+		if peerData.ConnState == PeerConnected && peerData.Direction == network.DirInbound {
 			peers = append(peers, pid)
 		}
 	}
@@ -483,7 +463,7 @@ func (p *Status) InboundConnectedWithProtocol(protocol InternetProtocol) []peer.
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected && peerData.Direction == network.DirInbound && strings.Contains(peerData.Address.String(), string(protocol)) {
+		if peerData.ConnState == PeerConnected && peerData.Direction == network.DirInbound && strings.Contains(peerData.Address.String(), string(protocol)) {
 			peers = append(peers, pid)
 		}
 	}
@@ -509,7 +489,7 @@ func (p *Status) OutboundConnected() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected && peerData.Direction == network.DirOutbound {
+		if peerData.ConnState == PeerConnected && peerData.Direction == network.DirOutbound {
 			peers = append(peers, pid)
 		}
 	}
@@ -522,7 +502,7 @@ func (p *Status) OutboundConnectedWithProtocol(protocol InternetProtocol) []peer
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected && peerData.Direction == network.DirOutbound && strings.Contains(peerData.Address.String(), string(protocol)) {
+		if peerData.ConnState == PeerConnected && peerData.Direction == network.DirOutbound && strings.Contains(peerData.Address.String(), string(protocol)) {
 			peers = append(peers, pid)
 		}
 	}
@@ -535,7 +515,7 @@ func (p *Status) Active() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connecting || peerData.ConnState == Connected {
+		if peerData.ConnState == PeerConnecting || peerData.ConnState == PeerConnected {
 			peers = append(peers, pid)
 		}
 	}
@@ -548,7 +528,7 @@ func (p *Status) Disconnecting() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Disconnecting {
+		if peerData.ConnState == PeerDisconnecting {
 			peers = append(peers, pid)
 		}
 	}
@@ -561,7 +541,7 @@ func (p *Status) Disconnected() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Disconnected {
+		if peerData.ConnState == PeerDisconnected {
 			peers = append(peers, pid)
 		}
 	}
@@ -574,7 +554,7 @@ func (p *Status) Inactive() []peer.ID {
 	defer p.store.RUnlock()
 	peers := make([]peer.ID, 0)
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Disconnecting || peerData.ConnState == Disconnected {
+		if peerData.ConnState == PeerDisconnecting || peerData.ConnState == PeerDisconnected {
 			peers = append(peers, pid)
 		}
 	}
@@ -612,7 +592,7 @@ func (p *Status) Prune() {
 		return
 	}
 	notBadPeer := func(pid peer.ID) bool {
-		return p.isBad(pid) == nil
+		return !p.isBad(pid)
 	}
 	notTrustedPeer := func(pid peer.ID) bool {
 		return !p.isTrustedPeers(pid)
@@ -625,7 +605,7 @@ func (p *Status) Prune() {
 	// Select disconnected peers with a smaller bad response count.
 	for pid, peerData := range p.store.Peers() {
 		// Should not prune trusted peer or prune the peer dara and unset trusted peer.
-		if peerData.ConnState == Disconnected && notBadPeer(pid) && notTrustedPeer(pid) {
+		if peerData.ConnState == PeerDisconnected && notBadPeer(pid) && notTrustedPeer(pid) {
 			peersToPrune = append(peersToPrune, &peerResp{
 				pid:   pid,
 				score: p.Scorers().ScoreNoLock(pid),
@@ -677,7 +657,7 @@ func (p *Status) deprecatedPrune() {
 	// Select disconnected peers with a smaller bad response count.
 	for pid, peerData := range p.store.Peers() {
 		// Should not prune trusted peer or prune the peer dara and unset trusted peer.
-		if peerData.ConnState == Disconnected && notBadPeer(peerData) && notTrustedPeer(pid) {
+		if peerData.ConnState == PeerDisconnected && notBadPeer(peerData) && notTrustedPeer(pid) {
 			peersToPrune = append(peersToPrune, &peerResp{
 				pid:     pid,
 				badResp: peerData.BadResponses,
@@ -834,7 +814,7 @@ func (p *Status) PeersToPrune() []peer.ID {
 	peersToPrune := make([]*peerResp, 0)
 	// Select connected and inbound peers to prune.
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected &&
+		if peerData.ConnState == PeerConnected &&
 			peerData.Direction == network.DirInbound && !p.store.IsTrustedPeer(pid) {
 			peersToPrune = append(peersToPrune, &peerResp{
 				pid:   pid,
@@ -900,7 +880,7 @@ func (p *Status) deprecatedPeersToPrune() []peer.ID {
 	peersToPrune := make([]*peerResp, 0)
 	// Select connected and inbound peers to prune.
 	for pid, peerData := range p.store.Peers() {
-		if peerData.ConnState == Connected &&
+		if peerData.ConnState == PeerConnected &&
 			peerData.Direction == network.DirInbound && !p.store.IsTrustedPeer(pid) {
 			peersToPrune = append(peersToPrune, &peerResp{
 				pid:     pid,
@@ -1002,28 +982,24 @@ func (p *Status) isTrustedPeers(pid peer.ID) bool {
 
 // this method assumes the store lock is acquired before
 // executing the method.
-func (p *Status) isfromBadIP(pid peer.ID) error {
+func (p *Status) isfromBadIP(pid peer.ID) bool {
 	peerData, ok := p.store.PeerData(pid)
 	if !ok {
-		return nil
+		return false
 	}
-
 	if peerData.Address == nil {
-		return nil
+		return false
 	}
-
 	ip, err := manet.ToIP(peerData.Address)
 	if err != nil {
-		return errors.Wrap(err, "to ip")
+		return true
 	}
-
 	if val, ok := p.ipTracker[ip.String()]; ok {
 		if val > CollocationLimit {
-			return errors.Errorf("collocation limit exceeded: got %d - limit %d", val, CollocationLimit)
+			return true
 		}
 	}
-
-	return nil
+	return false
 }
 
 func (p *Status) addIpToTracker(pid peer.ID) {

beacon-chain/p2p/peers/status_test.go

@@ -215,7 +215,7 @@ func TestPeerSubscribedToSubnet(t *testing.T) {
 	// Add some peers with different states
 	numPeers := 2
 	for i := 0; i < numPeers; i++ {
-		addPeer(t, p, peers.Connected)
+		addPeer(t, p, peers.PeerConnected)
 	}
 	expectedPeer := p.All()[1]
 	bitV := bitfield.NewBitvector64()
@@ -230,7 +230,7 @@ func TestPeerSubscribedToSubnet(t *testing.T) {
 	}))
 	numPeers = 3
 	for i := 0; i < numPeers; i++ {
-		addPeer(t, p, peers.Disconnected)
+		addPeer(t, p, peers.PeerDisconnected)
 	}
 	ps := p.SubscribedToSubnet(2)
 	assert.Equal(t, 1, len(ps), "Unexpected num of peers")
@@ -259,7 +259,7 @@ func TestPeerImplicitAdd(t *testing.T) {
 	id, err := peer.Decode("16Uiu2HAkyWZ4Ni1TpvDS8dPxsozmHY85KaiFjodQuV6Tz5tkHVeR")
 	require.NoError(t, err)
 
-	connectionState := peers.Connecting
+	connectionState := peers.PeerConnecting
 	p.SetConnectionState(id, connectionState)
 
 	resConnectionState, err := p.ConnectionState(id)
@@ -347,7 +347,7 @@ func TestPeerBadResponses(t *testing.T) {
 		require.NoError(t, err)
 	}
 
-	assert.NoError(t, p.IsBad(id), "Peer marked as bad when should be good")
+	assert.Equal(t, false, p.IsBad(id), "Peer marked as bad when should be good")
 
 	address, err := ma.NewMultiaddr("/ip4/213.202.254.180/tcp/13000")
 	require.NoError(t, err, "Failed to create address")
@@ -358,25 +358,25 @@ func TestPeerBadResponses(t *testing.T) {
 	resBadResponses, err := scorer.Count(id)
 	require.NoError(t, err)
 	assert.Equal(t, 0, resBadResponses, "Unexpected bad responses")
-	assert.NoError(t, p.IsBad(id), "Peer marked as bad when should be good")
+	assert.Equal(t, false, p.IsBad(id), "Peer marked as bad when should be good")
 
 	scorer.Increment(id)
 	resBadResponses, err = scorer.Count(id)
 	require.NoError(t, err)
 	assert.Equal(t, 1, resBadResponses, "Unexpected bad responses")
-	assert.NoError(t, p.IsBad(id), "Peer marked as bad when should be good")
+	assert.Equal(t, false, p.IsBad(id), "Peer marked as bad when should be good")
 
 	scorer.Increment(id)
 	resBadResponses, err = scorer.Count(id)
 	require.NoError(t, err)
 	assert.Equal(t, 2, resBadResponses, "Unexpected bad responses")
-	assert.NotNil(t, p.IsBad(id), "Peer not marked as bad when it should be")
+	assert.Equal(t, true, p.IsBad(id), "Peer not marked as bad when it should be")
 
 	scorer.Increment(id)
 	resBadResponses, err = scorer.Count(id)
 	require.NoError(t, err)
 	assert.Equal(t, 3, resBadResponses, "Unexpected bad responses")
-	assert.NotNil(t, p.IsBad(id), "Peer not marked as bad when it should be")
+	assert.Equal(t, true, p.IsBad(id), "Peer not marked as bad when it should be")
 }
 
 func TestAddMetaData(t *testing.T) {
@@ -393,7 +393,7 @@ func TestAddMetaData(t *testing.T) {
 	// Add some peers with different states
 	numPeers := 5
 	for i := 0; i < numPeers; i++ {
-		addPeer(t, p, peers.Connected)
+		addPeer(t, p, peers.PeerConnected)
 	}
 	newPeer := p.All()[2]
 
@@ -422,19 +422,19 @@ func TestPeerConnectionStatuses(t *testing.T) {
 	// Add some peers with different states
 	numPeersDisconnected := 11
 	for i := 0; i < numPeersDisconnected; i++ {
-		addPeer(t, p, peers.Disconnected)
+		addPeer(t, p, peers.PeerDisconnected)
 	}
 	numPeersConnecting := 7
 	for i := 0; i < numPeersConnecting; i++ {
-		addPeer(t, p, peers.Connecting)
+		addPeer(t, p, peers.PeerConnecting)
 	}
 	numPeersConnected := 43
 	for i := 0; i < numPeersConnected; i++ {
-		addPeer(t, p, peers.Connected)
+		addPeer(t, p, peers.PeerConnected)
 	}
 	numPeersDisconnecting := 4
 	for i := 0; i < numPeersDisconnecting; i++ {
-		addPeer(t, p, peers.Disconnecting)
+		addPeer(t, p, peers.PeerDisconnecting)
 	}
 
 	// Now confirm the states
@@ -463,7 +463,7 @@ func TestPeerValidTime(t *testing.T) {
 
 	numPeersConnected := 6
 	for i := 0; i < numPeersConnected; i++ {
-		addPeer(t, p, peers.Connected)
+		addPeer(t, p, peers.PeerConnected)
 	}
 
 	allPeers := p.All()
@@ -510,10 +510,10 @@ func TestPrune(t *testing.T) {
 	for i := 0; i < p.MaxPeerLimit()+100; i++ {
 		if i%7 == 0 {
 			// Peer added as disconnected.
-			_ = addPeer(t, p, peers.Disconnected)
+			_ = addPeer(t, p, peers.PeerDisconnected)
 		}
 		// Peer added to peer handler.
-		_ = addPeer(t, p, peers.Connected)
+		_ = addPeer(t, p, peers.PeerConnected)
 	}
 
 	disPeers := p.Disconnected()
@@ -571,23 +571,23 @@ func TestPeerIPTracker(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		badPeers = append(badPeers, createPeer(t, p, addr, network.DirUnknown, peerdata.ConnectionState(ethpb.ConnectionState_DISCONNECTED)))
+		badPeers = append(badPeers, createPeer(t, p, addr, network.DirUnknown, peerdata.PeerConnectionState(ethpb.ConnectionState_DISCONNECTED)))
 	}
 	for _, pr := range badPeers {
-		assert.NotNil(t, p.IsBad(pr), "peer with bad ip is not bad")
+		assert.Equal(t, true, p.IsBad(pr), "peer with bad ip is not bad")
 	}
 
 	// Add in bad peers, so that our records are trimmed out
 	// from the peer store.
 	for i := 0; i < p.MaxPeerLimit()+100; i++ {
 		// Peer added to peer handler.
-		pid := addPeer(t, p, peers.Disconnected)
+		pid := addPeer(t, p, peers.PeerDisconnected)
 		p.Scorers().BadResponsesScorer().Increment(pid)
 	}
 	p.Prune()
 
 	for _, pr := range badPeers {
-		assert.NoError(t, p.IsBad(pr), "peer with good ip is regarded as bad")
+		assert.Equal(t, false, p.IsBad(pr), "peer with good ip is regarded as bad")
 	}
 }
 
@@ -601,11 +601,8 @@ func TestTrimmedOrderedPeers(t *testing.T) {
 		},
 	})
 
-	const (
-		expectedTarget = primitives.Epoch(2)
-		maxPeers       = 3
-	)
-
+	expectedTarget := primitives.Epoch(2)
+	maxPeers := 3
 	var mockroot2 [32]byte
 	var mockroot3 [32]byte
 	var mockroot4 [32]byte
@@ -614,41 +611,36 @@ func TestTrimmedOrderedPeers(t *testing.T) {
 	copy(mockroot3[:], "three")
 	copy(mockroot4[:], "four")
 	copy(mockroot5[:], "five")
-
 	// Peer 1
-	pid1 := addPeer(t, p, peers.Connected)
+	pid1 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid1, &pb.Status{
 		HeadSlot:       3 * params.BeaconConfig().SlotsPerEpoch,
 		FinalizedEpoch: 3,
 		FinalizedRoot:  mockroot3[:],
 	})
-
 	// Peer 2
-	pid2 := addPeer(t, p, peers.Connected)
+	pid2 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid2, &pb.Status{
 		HeadSlot:       4 * params.BeaconConfig().SlotsPerEpoch,
 		FinalizedEpoch: 4,
 		FinalizedRoot:  mockroot4[:],
 	})
-
 	// Peer 3
-	pid3 := addPeer(t, p, peers.Connected)
+	pid3 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid3, &pb.Status{
 		HeadSlot:       5 * params.BeaconConfig().SlotsPerEpoch,
 		FinalizedEpoch: 5,
 		FinalizedRoot:  mockroot5[:],
 	})
-
 	// Peer 4
-	pid4 := addPeer(t, p, peers.Connected)
+	pid4 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid4, &pb.Status{
 		HeadSlot:       2 * params.BeaconConfig().SlotsPerEpoch,
 		FinalizedEpoch: 2,
 		FinalizedRoot:  mockroot2[:],
 	})
-
 	// Peer 5
-	pid5 := addPeer(t, p, peers.Connected)
+	pid5 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid5, &pb.Status{
 		HeadSlot:       2 * params.BeaconConfig().SlotsPerEpoch,
 		FinalizedEpoch: 2,
@@ -688,12 +680,12 @@ func TestAtInboundPeerLimit(t *testing.T) {
 	})
 	for i := 0; i < 15; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirOutbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirOutbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 	assert.Equal(t, false, p.IsAboveInboundLimit(), "Inbound limit exceeded")
 	for i := 0; i < 31; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 	assert.Equal(t, true, p.IsAboveInboundLimit(), "Inbound limit not exceeded")
 }
@@ -713,7 +705,7 @@ func TestPrunePeers(t *testing.T) {
 	})
 	for i := 0; i < 15; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirOutbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirOutbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 	// Assert there are no prunable peers.
 	peersToPrune := p.PeersToPrune()
@@ -721,7 +713,7 @@ func TestPrunePeers(t *testing.T) {
 
 	for i := 0; i < 18; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 
 	// Assert there are the correct prunable peers.
@@ -731,7 +723,7 @@ func TestPrunePeers(t *testing.T) {
 	// Add in more peers.
 	for i := 0; i < 13; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 
 	// Set up bad scores for inbound peers.
@@ -775,7 +767,7 @@ func TestPrunePeers_TrustedPeers(t *testing.T) {
 
 	for i := 0; i < 15; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirOutbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirOutbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 	// Assert there are no prunable peers.
 	peersToPrune := p.PeersToPrune()
@@ -783,7 +775,7 @@ func TestPrunePeers_TrustedPeers(t *testing.T) {
 
 	for i := 0; i < 18; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 
 	// Assert there are the correct prunable peers.
@@ -793,7 +785,7 @@ func TestPrunePeers_TrustedPeers(t *testing.T) {
 	// Add in more peers.
 	for i := 0; i < 13; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 
 	var trustedPeers []peer.ID
@@ -829,7 +821,7 @@ func TestPrunePeers_TrustedPeers(t *testing.T) {
 	// Add more peers to check if trusted peers can be pruned after they are deleted from trusted peer set.
 	for i := 0; i < 9; i++ {
 		// Peer added to peer handler.
-		createPeer(t, p, nil, network.DirInbound, peerdata.ConnectionState(ethpb.ConnectionState_CONNECTED))
+		createPeer(t, p, nil, network.DirInbound, peerdata.PeerConnectionState(ethpb.ConnectionState_CONNECTED))
 	}
 
 	// Delete trusted peers.
@@ -873,14 +865,14 @@ func TestStatus_BestPeer(t *testing.T) {
 		headSlot       primitives.Slot
 		finalizedEpoch primitives.Epoch
 	}
-
 	tests := []struct {
-		name               string
-		peers              []*peerConfig
-		limitPeers         int
-		ourFinalizedEpoch  primitives.Epoch
-		targetEpoch        primitives.Epoch
-		targetEpochSupport int // Denotes how many peers support returned epoch.
+		name              string
+		peers             []*peerConfig
+		limitPeers        int
+		ourFinalizedEpoch primitives.Epoch
+		targetEpoch       primitives.Epoch
+		// targetEpochSupport denotes how many peers support returned epoch.
+		targetEpochSupport int
 	}{
 		{
 			name: "head slot matches finalized epoch",
@@ -893,7 +885,6 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 3, headSlot: 3 * params.BeaconConfig().SlotsPerEpoch},
 			},
 			limitPeers:         15,
-			ourFinalizedEpoch:  0,
 			targetEpoch:        4,
 			targetEpochSupport: 4,
 		},
@@ -911,7 +902,6 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 3, headSlot: 4 * params.BeaconConfig().SlotsPerEpoch},
 			},
 			limitPeers:         15,
-			ourFinalizedEpoch:  0,
 			targetEpoch:        4,
 			targetEpochSupport: 4,
 		},
@@ -926,7 +916,6 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 3, headSlot: 42 * params.BeaconConfig().SlotsPerEpoch},
 			},
 			limitPeers:         15,
-			ourFinalizedEpoch:  0,
 			targetEpoch:        4,
 			targetEpochSupport: 4,
 		},
@@ -941,8 +930,8 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 3, headSlot: 46 * params.BeaconConfig().SlotsPerEpoch},
 				{finalizedEpoch: 6, headSlot: 6 * params.BeaconConfig().SlotsPerEpoch},
 			},
-			limitPeers:         15,
 			ourFinalizedEpoch:  5,
+			limitPeers:         15,
 			targetEpoch:        6,
 			targetEpochSupport: 1,
 		},
@@ -961,8 +950,8 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 7, headSlot: 7 * params.BeaconConfig().SlotsPerEpoch},
 				{finalizedEpoch: 8, headSlot: 8 * params.BeaconConfig().SlotsPerEpoch},
 			},
-			limitPeers:         15,
 			ourFinalizedEpoch:  5,
+			limitPeers:         15,
 			targetEpoch:        6,
 			targetEpochSupport: 5,
 		},
@@ -981,8 +970,8 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 7, headSlot: 7 * params.BeaconConfig().SlotsPerEpoch},
 				{finalizedEpoch: 8, headSlot: 8 * params.BeaconConfig().SlotsPerEpoch},
 			},
-			limitPeers:         4,
 			ourFinalizedEpoch:  5,
+			limitPeers:         4,
 			targetEpoch:        6,
 			targetEpochSupport: 4,
 		},
@@ -997,8 +986,8 @@ func TestStatus_BestPeer(t *testing.T) {
 				{finalizedEpoch: 8, headSlot: 8 * params.BeaconConfig().SlotsPerEpoch},
 				{finalizedEpoch: 8, headSlot: 8 * params.BeaconConfig().SlotsPerEpoch},
 			},
-			limitPeers:         15,
 			ourFinalizedEpoch:  5,
+			limitPeers:         15,
 			targetEpoch:        8,
 			targetEpochSupport: 3,
 		},
@@ -1013,7 +1002,7 @@ func TestStatus_BestPeer(t *testing.T) {
 				},
 			})
 			for _, peerConfig := range tt.peers {
-				p.SetChainState(addPeer(t, p, peers.Connected), &pb.Status{
+				p.SetChainState(addPeer(t, p, peers.PeerConnected), &pb.Status{
 					FinalizedEpoch: peerConfig.finalizedEpoch,
 					HeadSlot:       peerConfig.headSlot,
 				})
@@ -1039,7 +1028,7 @@ func TestBestFinalized_returnsMaxValue(t *testing.T) {
 
 	for i := 0; i <= maxPeers+100; i++ {
 		p.Add(new(enr.Record), peer.ID(rune(i)), nil, network.DirOutbound)
-		p.SetConnectionState(peer.ID(rune(i)), peers.Connected)
+		p.SetConnectionState(peer.ID(rune(i)), peers.PeerConnected)
 		p.SetChainState(peer.ID(rune(i)), &pb.Status{
 			FinalizedEpoch: 10,
 		})
@@ -1062,7 +1051,7 @@ func TestStatus_BestNonFinalized(t *testing.T) {
 	peerSlots := []primitives.Slot{32, 32, 32, 32, 235, 233, 258, 268, 270}
 	for i, headSlot := range peerSlots {
 		p.Add(new(enr.Record), peer.ID(rune(i)), nil, network.DirOutbound)
-		p.SetConnectionState(peer.ID(rune(i)), peers.Connected)
+		p.SetConnectionState(peer.ID(rune(i)), peers.PeerConnected)
 		p.SetChainState(peer.ID(rune(i)), &pb.Status{
 			HeadSlot: headSlot,
 		})
@@ -1085,17 +1074,17 @@ func TestStatus_CurrentEpoch(t *testing.T) {
 		},
 	})
 	// Peer 1
-	pid1 := addPeer(t, p, peers.Connected)
+	pid1 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid1, &pb.Status{
 		HeadSlot: params.BeaconConfig().SlotsPerEpoch * 4,
 	})
 	// Peer 2
-	pid2 := addPeer(t, p, peers.Connected)
+	pid2 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid2, &pb.Status{
 		HeadSlot: params.BeaconConfig().SlotsPerEpoch * 5,
 	})
 	// Peer 3
-	pid3 := addPeer(t, p, peers.Connected)
+	pid3 := addPeer(t, p, peers.PeerConnected)
 	p.SetChainState(pid3, &pb.Status{
 		HeadSlot: params.BeaconConfig().SlotsPerEpoch * 4,
 	})
@@ -1114,8 +1103,8 @@ func TestInbound(t *testing.T) {
 	})
 	addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/33333")
 	require.NoError(t, err)
-	inbound := createPeer(t, p, addr, network.DirInbound, peers.Connected)
-	createPeer(t, p, addr, network.DirOutbound, peers.Connected)
+	inbound := createPeer(t, p, addr, network.DirInbound, peers.PeerConnected)
+	createPeer(t, p, addr, network.DirOutbound, peers.PeerConnected)
 
 	result := p.Inbound()
 	require.Equal(t, 1, len(result))
@@ -1134,8 +1123,8 @@ func TestInboundConnected(t *testing.T) {
 
 	addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/33333")
 	require.NoError(t, err)
-	inbound := createPeer(t, p, addr, network.DirInbound, peers.Connected)
-	createPeer(t, p, addr, network.DirInbound, peers.Connecting)
+	inbound := createPeer(t, p, addr, network.DirInbound, peers.PeerConnected)
+	createPeer(t, p, addr, network.DirInbound, peers.PeerConnecting)
 
 	result := p.InboundConnected()
 	require.Equal(t, 1, len(result))
@@ -1168,7 +1157,7 @@ func TestInboundConnectedWithProtocol(t *testing.T) {
 		multiaddr, err := ma.NewMultiaddr(addr)
 		require.NoError(t, err)
 
-		peer := createPeer(t, p, multiaddr, network.DirInbound, peers.Connected)
+		peer := createPeer(t, p, multiaddr, network.DirInbound, peers.PeerConnected)
 		expectedTCP[peer.String()] = true
 	}
 
@@ -1177,7 +1166,7 @@ func TestInboundConnectedWithProtocol(t *testing.T) {
 		multiaddr, err := ma.NewMultiaddr(addr)
 		require.NoError(t, err)
 
-		peer := createPeer(t, p, multiaddr, network.DirInbound, peers.Connected)
+		peer := createPeer(t, p, multiaddr, network.DirInbound, peers.PeerConnected)
 		expectedQUIC[peer.String()] = true
 	}
 
@@ -1214,8 +1203,8 @@ func TestOutbound(t *testing.T) {
 	})
 	addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/33333")
 	require.NoError(t, err)
-	createPeer(t, p, addr, network.DirInbound, peers.Connected)
-	outbound := createPeer(t, p, addr, network.DirOutbound, peers.Connected)
+	createPeer(t, p, addr, network.DirInbound, peers.PeerConnected)
+	outbound := createPeer(t, p, addr, network.DirOutbound, peers.PeerConnected)
 
 	result := p.Outbound()
 	require.Equal(t, 1, len(result))
@@ -1234,8 +1223,8 @@ func TestOutboundConnected(t *testing.T) {
 
 	addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/33333")
 	require.NoError(t, err)
-	inbound := createPeer(t, p, addr, network.DirOutbound, peers.Connected)
-	createPeer(t, p, addr, network.DirOutbound, peers.Connecting)
+	inbound := createPeer(t, p, addr, network.DirOutbound, peers.PeerConnected)
+	createPeer(t, p, addr, network.DirOutbound, peers.PeerConnecting)
 
 	result := p.OutboundConnected()
 	require.Equal(t, 1, len(result))
@@ -1268,7 +1257,7 @@ func TestOutboundConnectedWithProtocol(t *testing.T) {
 		multiaddr, err := ma.NewMultiaddr(addr)
 		require.NoError(t, err)
 
-		peer := createPeer(t, p, multiaddr, network.DirOutbound, peers.Connected)
+		peer := createPeer(t, p, multiaddr, network.DirOutbound, peers.PeerConnected)
 		expectedTCP[peer.String()] = true
 	}
 
@@ -1277,7 +1266,7 @@ func TestOutboundConnectedWithProtocol(t *testing.T) {
 		multiaddr, err := ma.NewMultiaddr(addr)
 		require.NoError(t, err)
 
-		peer := createPeer(t, p, multiaddr, network.DirOutbound, peers.Connected)
+		peer := createPeer(t, p, multiaddr, network.DirOutbound, peers.PeerConnected)
 		expectedQUIC[peer.String()] = true
 	}
 
@@ -1304,7 +1293,7 @@ func TestOutboundConnectedWithProtocol(t *testing.T) {
 }
 
 // addPeer is a helper to add a peer with a given connection state)
-func addPeer(t *testing.T, p *peers.Status, state peerdata.ConnectionState) peer.ID {
+func addPeer(t *testing.T, p *peers.Status, state peerdata.PeerConnectionState) peer.ID {
 	// Set up some peers with different states
 	mhBytes := []byte{0x11, 0x04}
 	idBytes := make([]byte, 4)
@@ -1323,7 +1312,7 @@ func addPeer(t *testing.T, p *peers.Status, state peerdata.ConnectionState) peer
 }
 
 func createPeer(t *testing.T, p *peers.Status, addr ma.Multiaddr,
-	dir network.Direction, state peerdata.ConnectionState) peer.ID {
+	dir network.Direction, state peerdata.PeerConnectionState) peer.ID {
 	mhBytes := []byte{0x11, 0x04}
 	idBytes := make([]byte, 4)
 	_, err := rand.Read(idBytes)

beacon-chain/p2p/pubsub.go

@@ -165,14 +165,14 @@ func (s *Service) pubsubOptions() []pubsub.Option {
 func parsePeersEnr(peers []string) ([]peer.AddrInfo, error) {
 	addrs, err := PeersFromStringAddrs(peers)
 	if err != nil {
-		return nil, fmt.Errorf("cannot convert peers raw ENRs into multiaddresses: %w", err)
+		return nil, fmt.Errorf("Cannot convert peers raw ENRs into multiaddresses: %w", err)
 	}
 	if len(addrs) == 0 {
-		return nil, fmt.Errorf("converting peers raw ENRs into multiaddresses resulted in an empty list")
+		return nil, fmt.Errorf("Converting peers raw ENRs into multiaddresses resulted in an empty list")
 	}
 	directAddrInfos, err := peer.AddrInfosFromP2pAddrs(addrs...)
 	if err != nil {
-		return nil, fmt.Errorf("cannot convert peers multiaddresses into AddrInfos: %w", err)
+		return nil, fmt.Errorf("Cannot convert peers multiaddresses into AddrInfos: %w", err)
 	}
 	return directAddrInfos, nil
 }

beacon-chain/p2p/pubsub_filter.go

@@ -10,25 +10,15 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/p2p/encoder"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/network/forks"
-	"github.com/sirupsen/logrus"
 )
 
 var _ pubsub.SubscriptionFilter = (*Service)(nil)
 
 // It is set at this limit to handle the possibility
 // of double topic subscriptions at fork boundaries.
-// -> BeaconBlock              * 2 = 2
-// -> BeaconAggregateAndProof  * 2 = 2
-// -> VoluntaryExit            * 2 = 2
-// -> ProposerSlashing         * 2 = 2
-// -> AttesterSlashing         * 2 = 2
-// -> 64 Beacon Attestation    * 2 = 128
-// -> SyncContributionAndProof * 2 = 2
-// -> 4 SyncCommitteeSubnets   * 2 = 8
-// -> BlsToExecutionChange     * 2 = 2
-// -> 6 BlobSidecar            * 2 = 12
-// -------------------------------------
-// TOTAL                           = 162
+// -> 64 Attestation Subnets * 2.
+// -> 4 Sync Committee Subnets * 2.
+// -> Block,Aggregate,ProposerSlashing,AttesterSlashing,Exits,SyncContribution * 2.
 const pubsubSubscriptionRequestLimit = 200
 
 // CanSubscribe returns true if the topic is of interest and we could subscribe to it.
@@ -105,15 +95,8 @@ func (s *Service) CanSubscribe(topic string) bool {
 // FilterIncomingSubscriptions is invoked for all RPCs containing subscription notifications.
 // This method returns only the topics of interest and may return an error if the subscription
 // request contains too many topics.
-func (s *Service) FilterIncomingSubscriptions(peerID peer.ID, subs []*pubsubpb.RPC_SubOpts) ([]*pubsubpb.RPC_SubOpts, error) {
+func (s *Service) FilterIncomingSubscriptions(_ peer.ID, subs []*pubsubpb.RPC_SubOpts) ([]*pubsubpb.RPC_SubOpts, error) {
 	if len(subs) > pubsubSubscriptionRequestLimit {
-		subsCount := len(subs)
-		log.WithFields(logrus.Fields{
-			"peerID":             peerID,
-			"subscriptionCounts": subsCount,
-			"subscriptionLimit":  pubsubSubscriptionRequestLimit,
-		}).Debug("Too many incoming subscriptions, filtering them")
-
 		return nil, pubsub.ErrTooManySubscriptions
 	}
 

beacon-chain/p2p/service.go

@@ -43,10 +43,6 @@ var _ runtime.Service = (*Service)(nil)
 // defined below.
 var pollingPeriod = 6 * time.Second
 
-// When looking for new nodes, if not enough nodes are found,
-// we stop after this amount of iterations.
-var batchSize = 2_000
-
 // Refresh rate of ENR set at twice per slot.
 var refreshRate = slots.DivideSlotBy(2)
 
@@ -206,13 +202,12 @@ func (s *Service) Start() {
 			s.startupErr = err
 			return
 		}
-
-		if err := s.connectToBootnodes(); err != nil {
-			log.WithError(err).Error("Could not connect to boot nodes")
+		err = s.connectToBootnodes()
+		if err != nil {
+			log.WithError(err).Error("Could not add bootnode to the exclusion list")
 			s.startupErr = err
 			return
 		}
-
 		s.dv5Listener = listener
 		go s.listenForNewNodes()
 	}
@@ -231,7 +226,7 @@ func (s *Service) Start() {
 	}
 	// Initialize metadata according to the
 	// current epoch.
-	s.RefreshPersistentSubnets()
+	s.RefreshENR()
 
 	// Periodic functions.
 	async.RunEvery(s.ctx, params.BeaconConfig().TtfbTimeoutDuration(), func() {
@@ -239,7 +234,7 @@ func (s *Service) Start() {
 	})
 	async.RunEvery(s.ctx, 30*time.Minute, s.Peers().Prune)
 	async.RunEvery(s.ctx, time.Duration(params.BeaconConfig().RespTimeout)*time.Second, s.updateMetrics)
-	async.RunEvery(s.ctx, refreshRate, s.RefreshPersistentSubnets)
+	async.RunEvery(s.ctx, refreshRate, s.RefreshENR)
 	async.RunEvery(s.ctx, 1*time.Minute, func() {
 		inboundQUICCount := len(s.peers.InboundConnectedWithProtocol(peers.QUIC))
 		inboundTCPCount := len(s.peers.InboundConnectedWithProtocol(peers.TCP))
@@ -389,17 +384,12 @@ func (s *Service) AddPingMethod(reqFunc func(ctx context.Context, id peer.ID) er
 	s.pingMethodLock.Unlock()
 }
 
-func (s *Service) pingPeersAndLogEnr() {
+func (s *Service) pingPeers() {
 	s.pingMethodLock.RLock()
 	defer s.pingMethodLock.RUnlock()
-
-	localENR := s.dv5Listener.Self()
-	log.WithField("ENR", localENR).Info("New node record")
-
 	if s.pingMethod == nil {
 		return
 	}
-
 	for _, pid := range s.peers.Connected() {
 		go func(id peer.ID) {
 			if err := s.pingMethod(s.ctx, id); err != nil {
@@ -472,8 +462,8 @@ func (s *Service) connectWithPeer(ctx context.Context, info peer.AddrInfo) error
 	if info.ID == s.host.ID() {
 		return nil
 	}
-	if err := s.Peers().IsBad(info.ID); err != nil {
-		return errors.Wrap(err, "refused to connect to bad peer")
+	if s.Peers().IsBad(info.ID) {
+		return errors.New("refused to connect to bad peer")
 	}
 	ctx, cancel := context.WithTimeout(ctx, maxDialTimeout)
 	defer cancel()

beacon-chain/p2p/subnets.go

@@ -2,7 +2,6 @@ package p2p
 
 import (
 	"context"
-	"math"
 	"strings"
 	"sync"
 	"time"
@@ -20,24 +19,22 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/wrapper"
 	"github.com/prysmaticlabs/prysm/v5/crypto/hash"
 	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
+	mathutil "github.com/prysmaticlabs/prysm/v5/math"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	pb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
-	"github.com/sirupsen/logrus"
 )
 
-var (
-	attestationSubnetCount = params.BeaconConfig().AttestationSubnetCount
-	syncCommsSubnetCount   = params.BeaconConfig().SyncCommitteeSubnetCount
+var attestationSubnetCount = params.BeaconConfig().AttestationSubnetCount
+var syncCommsSubnetCount = params.BeaconConfig().SyncCommitteeSubnetCount
 
-	attSubnetEnrKey       = params.BeaconNetworkConfig().AttSubnetKey
-	syncCommsSubnetEnrKey = params.BeaconNetworkConfig().SyncCommsSubnetKey
-)
+var attSubnetEnrKey = params.BeaconNetworkConfig().AttSubnetKey
+var syncCommsSubnetEnrKey = params.BeaconNetworkConfig().SyncCommsSubnetKey
 
 // The value used with the subnet, in order
 // to create an appropriate key to retrieve
 // the relevant lock. This is used to differentiate
-// sync subnets from others. This is deliberately
-// chosen as more than 64 (attestation subnet count).
+// sync subnets from attestation subnets. This is deliberately
+// chosen as more than 64(attestation subnet count).
 const syncLockerVal = 100
 
 // The value used with the blob sidecar subnet, in order
@@ -47,77 +44,6 @@ const syncLockerVal = 100
 // chosen more than sync and attestation subnet combined.
 const blobSubnetLockerVal = 110
 
-// nodeFilter return a function that filters nodes based on the subnet topic and subnet index.
-func (s *Service) nodeFilter(topic string, index uint64) (func(node *enode.Node) bool, error) {
-	switch {
-	case strings.Contains(topic, GossipAttestationMessage):
-		return s.filterPeerForAttSubnet(index), nil
-	case strings.Contains(topic, GossipSyncCommitteeMessage):
-		return s.filterPeerForSyncSubnet(index), nil
-	default:
-		return nil, errors.Errorf("no subnet exists for provided topic: %s", topic)
-	}
-}
-
-// searchForPeers performs a network search for peers subscribed to a particular subnet.
-// It exits as soon as one of these conditions is met:
-// - It looped through `batchSize` nodes.
-// - It found `peersToFindCount“ peers corresponding to the `filter` criteria.
-// - Iterator is exhausted.
-func searchForPeers(
-	iterator enode.Iterator,
-	batchSize int,
-	peersToFindCount uint,
-	filter func(node *enode.Node) bool,
-) []*enode.Node {
-	nodeFromNodeID := make(map[enode.ID]*enode.Node, batchSize)
-	for i := 0; i < batchSize && uint(len(nodeFromNodeID)) <= peersToFindCount && iterator.Next(); i++ {
-		node := iterator.Node()
-
-		// Filter out nodes that do not meet the criteria.
-		if !filter(node) {
-			continue
-		}
-
-		// Remove duplicates, keeping the node with higher seq.
-		prevNode, ok := nodeFromNodeID[node.ID()]
-		if ok && prevNode.Seq() > node.Seq() {
-			continue
-		}
-
-		nodeFromNodeID[node.ID()] = node
-	}
-
-	// Convert the map to a slice.
-	nodes := make([]*enode.Node, 0, len(nodeFromNodeID))
-	for _, node := range nodeFromNodeID {
-		nodes = append(nodes, node)
-	}
-
-	return nodes
-}
-
-// dialPeer dials a peer in a separate goroutine.
-func (s *Service) dialPeer(ctx context.Context, wg *sync.WaitGroup, node *enode.Node) {
-	info, _, err := convertToAddrInfo(node)
-	if err != nil {
-		return
-	}
-
-	if info == nil {
-		return
-	}
-
-	wg.Add(1)
-	go func() {
-		if err := s.connectWithPeer(ctx, *info); err != nil {
-			log.WithError(err).Tracef("Could not connect with peer %s", info.String())
-		}
-
-		wg.Done()
-	}()
-}
-
 // FindPeersWithSubnet performs a network search for peers
 // subscribed to a particular subnet. Then it tries to connect
 // with those peers. This method will block until either:
@@ -126,104 +52,67 @@ func (s *Service) dialPeer(ctx context.Context, wg *sync.WaitGroup, node *enode.
 // On some edge cases, this method may hang indefinitely while peers
 // are actually found. In such a case, the user should cancel the context
 // and re-run the method again.
-func (s *Service) FindPeersWithSubnet(
-	ctx context.Context,
-	topic string,
-	index uint64,
-	threshold int,
-) (bool, error) {
-	const minLogInterval = 1 * time.Minute
-
+func (s *Service) FindPeersWithSubnet(ctx context.Context, topic string,
+	index uint64, threshold int) (bool, error) {
 	ctx, span := trace.StartSpan(ctx, "p2p.FindPeersWithSubnet")
 	defer span.End()
 
 	span.SetAttributes(trace.Int64Attribute("index", int64(index))) // lint:ignore uintcast -- It's safe to do this for tracing.
 
 	if s.dv5Listener == nil {
-		// Return if discovery isn't set
+		// return if discovery isn't set
 		return false, nil
 	}
 
 	topic += s.Encoding().ProtocolSuffix()
 	iterator := s.dv5Listener.RandomNodes()
 	defer iterator.Close()
-
-	filter, err := s.nodeFilter(topic, index)
-	if err != nil {
-		return false, errors.Wrap(err, "node filter")
+	switch {
+	case strings.Contains(topic, GossipAttestationMessage):
+		iterator = filterNodes(ctx, iterator, s.filterPeerForAttSubnet(index))
+	case strings.Contains(topic, GossipSyncCommitteeMessage):
+		iterator = filterNodes(ctx, iterator, s.filterPeerForSyncSubnet(index))
+	default:
+		return false, errors.New("no subnet exists for provided topic")
 	}
 
-	peersSummary := func(topic string, threshold int) (int, int) {
-		// Retrieve how many peers we have for this topic.
-		peerCountForTopic := len(s.pubsub.ListPeers(topic))
-
-		// Compute how many peers we are missing to reach the threshold.
-		missingPeerCountForTopic := max(0, threshold-peerCountForTopic)
-
-		return peerCountForTopic, missingPeerCountForTopic
-	}
-
-	// Compute how many peers we are missing to reach the threshold.
-	peerCountForTopic, missingPeerCountForTopic := peersSummary(topic, threshold)
-
-	// Exit early if we have enough peers.
-	if missingPeerCountForTopic == 0 {
-		return true, nil
-	}
-
-	log := log.WithFields(logrus.Fields{
-		"topic":           topic,
-		"targetPeerCount": threshold,
-	})
-
-	log.WithField("currentPeerCount", peerCountForTopic).Debug("Searching for new peers for a subnet - start")
-
-	lastLogTime := time.Now()
-
 	wg := new(sync.WaitGroup)
 	for {
-		// If the context is done, we can exit the loop. This is the unhappy path.
-		if err := ctx.Err(); err != nil {
-			return false, errors.Errorf(
-				"unable to find requisite number of peers for topic %s - only %d out of %d peers available after searching",
-				topic, peerCountForTopic, threshold,
-			)
-		}
-
-		// Search for new peers in the network.
-		nodes := searchForPeers(iterator, batchSize, uint(missingPeerCountForTopic), filter)
-
-		// Restrict dials if limit is applied.
-		maxConcurrentDials := math.MaxInt
-		if flags.MaxDialIsActive() {
-			maxConcurrentDials = flags.Get().MaxConcurrentDials
-		}
-
-		// Dial the peers in batches.
-		for start := 0; start < len(nodes); start += maxConcurrentDials {
-			stop := min(start+maxConcurrentDials, len(nodes))
-			for _, node := range nodes[start:stop] {
-				s.dialPeer(ctx, wg, node)
-			}
-
-			// Wait for all dials to be completed.
-			wg.Wait()
-		}
-
-		peerCountForTopic, missingPeerCountForTopic := peersSummary(topic, threshold)
-
-		// If we have enough peers, we can exit the loop. This is the happy path.
-		if missingPeerCountForTopic == 0 {
+		currNum := len(s.pubsub.ListPeers(topic))
+		if currNum >= threshold {
 			break
 		}
-
-		if time.Since(lastLogTime) > minLogInterval {
-			lastLogTime = time.Now()
-			log.WithField("currentPeerCount", peerCountForTopic).Debug("Searching for new peers for a subnet - continue")
+		if err := ctx.Err(); err != nil {
+			return false, errors.Errorf("unable to find requisite number of peers for topic %s - "+
+				"only %d out of %d peers were able to be found", topic, currNum, threshold)
 		}
-	}
+		nodeCount := int(params.BeaconNetworkConfig().MinimumPeersInSubnetSearch)
+		// Restrict dials if limit is applied.
+		if flags.MaxDialIsActive() {
+			nodeCount = min(nodeCount, flags.Get().MaxConcurrentDials)
+		}
+		nodes := enode.ReadNodes(iterator, nodeCount)
+		for _, node := range nodes {
+			info, _, err := convertToAddrInfo(node)
+			if err != nil {
+				continue
+			}
 
-	log.WithField("currentPeerCount", threshold).Debug("Searching for new peers for a subnet - success")
+			if info == nil {
+				continue
+			}
+
+			wg.Add(1)
+			go func() {
+				if err := s.connectWithPeer(ctx, *info); err != nil {
+					log.WithError(err).Tracef("Could not connect with peer %s", info.String())
+				}
+				wg.Done()
+			}()
+		}
+		// Wait for all dials to be completed.
+		wg.Wait()
+	}
 	return true, nil
 }
 
@@ -267,17 +156,11 @@ func (s *Service) filterPeerForSyncSubnet(index uint64) func(node *enode.Node) b
 // lower threshold to broadcast object compared to searching
 // for a subnet. So that even in the event of poor peer
 // connectivity, we can still broadcast an attestation.
-func (s *Service) hasPeerWithSubnet(subnetTopic string) bool {
+func (s *Service) hasPeerWithSubnet(topic string) bool {
 	// In the event peer threshold is lower, we will choose the lower
 	// threshold.
-	minPeers := min(1, flags.Get().MinimumPeersPerSubnet)
-	topic := subnetTopic + s.Encoding().ProtocolSuffix()
-	peersWithSubnet := s.pubsub.ListPeers(topic)
-	peersWithSubnetCount := len(peersWithSubnet)
-
-	enoughPeers := peersWithSubnetCount >= minPeers
-
-	return enoughPeers
+	minPeers := mathutil.Min(1, uint64(flags.Get().MinimumPeersPerSubnet))
+	return len(s.pubsub.ListPeers(topic+s.Encoding().ProtocolSuffix())) >= int(minPeers) // lint:ignore uintcast -- Min peers can be safely cast to int.
 }
 
 // Updates the service's discv5 listener record's attestation subnet
@@ -472,10 +355,10 @@ func syncBitvector(record *enr.Record) (bitfield.Bitvector4, error) {
 
 // The subnet locker is a map which keeps track of all
 // mutexes stored per subnet. This locker is re-used
-// between both the attestation, sync and blob subnets.
-// Sync subnets are stored by (subnet+syncLockerVal).
-// Blob subnets are stored by (subnet+blobSubnetLockerVal).
-// This is to prevent conflicts while allowing subnets
+// between both the attestation and sync subnets. In
+// order to differentiate between attestation and sync
+// subnets. Sync subnets are stored by (subnet+syncLockerVal). This
+// is to prevent conflicts while allowing both subnets
 // to use a single locker.
 func (s *Service) subnetLocker(i uint64) *sync.RWMutex {
 	s.subnetsLockLock.Lock()

beacon-chain/p2p/testing/BUILD.bazel

@@ -27,7 +27,6 @@ go_library(
         "@com_github_ethereum_go_ethereum//p2p/enode:go_default_library",
         "@com_github_ethereum_go_ethereum//p2p/enr:go_default_library",
         "@com_github_libp2p_go_libp2p//:go_default_library",
-        "@com_github_libp2p_go_libp2p//config:go_default_library",
         "@com_github_libp2p_go_libp2p//core:go_default_library",
         "@com_github_libp2p_go_libp2p//core/connmgr:go_default_library",
         "@com_github_libp2p_go_libp2p//core/control:go_default_library",

beacon-chain/p2p/testing/fuzz_p2p.go

@@ -27,148 +27,148 @@ func NewFuzzTestP2P() *FakeP2P {
 }
 
 // Encoding -- fake.
-func (*FakeP2P) Encoding() encoder.NetworkEncoding {
+func (_ *FakeP2P) Encoding() encoder.NetworkEncoding {
 	return &encoder.SszNetworkEncoder{}
 }
 
 // AddConnectionHandler -- fake.
-func (*FakeP2P) AddConnectionHandler(_, _ func(ctx context.Context, id peer.ID) error) {
+func (_ *FakeP2P) AddConnectionHandler(_, _ func(ctx context.Context, id peer.ID) error) {
 
 }
 
 // AddDisconnectionHandler -- fake.
-func (*FakeP2P) AddDisconnectionHandler(_ func(ctx context.Context, id peer.ID) error) {
+func (_ *FakeP2P) AddDisconnectionHandler(_ func(ctx context.Context, id peer.ID) error) {
 }
 
 // AddPingMethod -- fake.
-func (*FakeP2P) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {
+func (_ *FakeP2P) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {
 
 }
 
 // PeerID -- fake.
-func (*FakeP2P) PeerID() peer.ID {
+func (_ *FakeP2P) PeerID() peer.ID {
 	return "fake"
 }
 
 // ENR returns the enr of the local peer.
-func (*FakeP2P) ENR() *enr.Record {
+func (_ *FakeP2P) ENR() *enr.Record {
 	return new(enr.Record)
 }
 
 // DiscoveryAddresses -- fake
-func (*FakeP2P) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
+func (_ *FakeP2P) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
 	return nil, nil
 }
 
 // FindPeersWithSubnet mocks the p2p func.
-func (*FakeP2P) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
+func (_ *FakeP2P) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
 	return false, nil
 }
 
-// RefreshPersistentSubnets mocks the p2p func.
-func (*FakeP2P) RefreshPersistentSubnets() {}
+// RefreshENR mocks the p2p func.
+func (_ *FakeP2P) RefreshENR() {}
 
 // LeaveTopic -- fake.
-func (*FakeP2P) LeaveTopic(_ string) error {
+func (_ *FakeP2P) LeaveTopic(_ string) error {
 	return nil
 }
 
 // Metadata -- fake.
-func (*FakeP2P) Metadata() metadata.Metadata {
+func (_ *FakeP2P) Metadata() metadata.Metadata {
 	return nil
 }
 
 // Peers -- fake.
-func (*FakeP2P) Peers() *peers.Status {
+func (_ *FakeP2P) Peers() *peers.Status {
 	return nil
 }
 
 // PublishToTopic -- fake.
-func (*FakeP2P) PublishToTopic(_ context.Context, _ string, _ []byte, _ ...pubsub.PubOpt) error {
+func (_ *FakeP2P) PublishToTopic(_ context.Context, _ string, _ []byte, _ ...pubsub.PubOpt) error {
 	return nil
 }
 
 // Send -- fake.
-func (*FakeP2P) Send(_ context.Context, _ interface{}, _ string, _ peer.ID) (network.Stream, error) {
+func (_ *FakeP2P) Send(_ context.Context, _ interface{}, _ string, _ peer.ID) (network.Stream, error) {
 	return nil, nil
 }
 
 // PubSub -- fake.
-func (*FakeP2P) PubSub() *pubsub.PubSub {
+func (_ *FakeP2P) PubSub() *pubsub.PubSub {
 	return nil
 }
 
 // MetadataSeq -- fake.
-func (*FakeP2P) MetadataSeq() uint64 {
+func (_ *FakeP2P) MetadataSeq() uint64 {
 	return 0
 }
 
 // SetStreamHandler -- fake.
-func (*FakeP2P) SetStreamHandler(_ string, _ network.StreamHandler) {
+func (_ *FakeP2P) SetStreamHandler(_ string, _ network.StreamHandler) {
 
 }
 
 // SubscribeToTopic -- fake.
-func (*FakeP2P) SubscribeToTopic(_ string, _ ...pubsub.SubOpt) (*pubsub.Subscription, error) {
+func (_ *FakeP2P) SubscribeToTopic(_ string, _ ...pubsub.SubOpt) (*pubsub.Subscription, error) {
 	return nil, nil
 }
 
 // JoinTopic -- fake.
-func (*FakeP2P) JoinTopic(_ string, _ ...pubsub.TopicOpt) (*pubsub.Topic, error) {
+func (_ *FakeP2P) JoinTopic(_ string, _ ...pubsub.TopicOpt) (*pubsub.Topic, error) {
 	return nil, nil
 }
 
 // Host -- fake.
-func (*FakeP2P) Host() host.Host {
+func (_ *FakeP2P) Host() host.Host {
 	return nil
 }
 
 // Disconnect -- fake.
-func (*FakeP2P) Disconnect(_ peer.ID) error {
+func (_ *FakeP2P) Disconnect(_ peer.ID) error {
 	return nil
 }
 
 // Broadcast -- fake.
-func (*FakeP2P) Broadcast(_ context.Context, _ proto.Message) error {
+func (_ *FakeP2P) Broadcast(_ context.Context, _ proto.Message) error {
 	return nil
 }
 
 // BroadcastAttestation -- fake.
-func (*FakeP2P) BroadcastAttestation(_ context.Context, _ uint64, _ ethpb.Att) error {
+func (_ *FakeP2P) BroadcastAttestation(_ context.Context, _ uint64, _ ethpb.Att) error {
 	return nil
 }
 
 // BroadcastSyncCommitteeMessage -- fake.
-func (*FakeP2P) BroadcastSyncCommitteeMessage(_ context.Context, _ uint64, _ *ethpb.SyncCommitteeMessage) error {
+func (_ *FakeP2P) BroadcastSyncCommitteeMessage(_ context.Context, _ uint64, _ *ethpb.SyncCommitteeMessage) error {
 	return nil
 }
 
 // BroadcastBlob -- fake.
-func (*FakeP2P) BroadcastBlob(_ context.Context, _ uint64, _ *ethpb.BlobSidecar) error {
+func (_ *FakeP2P) BroadcastBlob(_ context.Context, _ uint64, _ *ethpb.BlobSidecar) error {
 	return nil
 }
 
 // InterceptPeerDial -- fake.
-func (*FakeP2P) InterceptPeerDial(peer.ID) (allow bool) {
+func (_ *FakeP2P) InterceptPeerDial(peer.ID) (allow bool) {
 	return true
 }
 
 // InterceptAddrDial -- fake.
-func (*FakeP2P) InterceptAddrDial(peer.ID, multiaddr.Multiaddr) (allow bool) {
+func (_ *FakeP2P) InterceptAddrDial(peer.ID, multiaddr.Multiaddr) (allow bool) {
 	return true
 }
 
 // InterceptAccept -- fake.
-func (*FakeP2P) InterceptAccept(_ network.ConnMultiaddrs) (allow bool) {
+func (_ *FakeP2P) InterceptAccept(_ network.ConnMultiaddrs) (allow bool) {
 	return true
 }
 
 // InterceptSecured -- fake.
-func (*FakeP2P) InterceptSecured(network.Direction, peer.ID, network.ConnMultiaddrs) (allow bool) {
+func (_ *FakeP2P) InterceptSecured(network.Direction, peer.ID, network.ConnMultiaddrs) (allow bool) {
 	return true
 }
 
 // InterceptUpgraded -- fake.
-func (*FakeP2P) InterceptUpgraded(network.Conn) (allow bool, reason control.DisconnectReason) {
+func (_ *FakeP2P) InterceptUpgraded(network.Conn) (allow bool, reason control.DisconnectReason) {
 	return true, 0
 }

beacon-chain/p2p/testing/mock_host.go

@@ -18,12 +18,12 @@ type MockHost struct {
 }
 
 // ID --
-func (*MockHost) ID() peer.ID {
+func (_ *MockHost) ID() peer.ID {
 	return ""
 }
 
 // Peerstore --
-func (*MockHost) Peerstore() peerstore.Peerstore {
+func (_ *MockHost) Peerstore() peerstore.Peerstore {
 	return nil
 }
 
@@ -33,46 +33,46 @@ func (m *MockHost) Addrs() []ma.Multiaddr {
 }
 
 // Network --
-func (*MockHost) Network() network.Network {
+func (_ *MockHost) Network() network.Network {
 	return nil
 }
 
 // Mux --
-func (*MockHost) Mux() protocol.Switch {
+func (_ *MockHost) Mux() protocol.Switch {
 	return nil
 }
 
 // Connect --
-func (*MockHost) Connect(_ context.Context, _ peer.AddrInfo) error {
+func (_ *MockHost) Connect(_ context.Context, _ peer.AddrInfo) error {
 	return nil
 }
 
 // SetStreamHandler --
-func (*MockHost) SetStreamHandler(_ protocol.ID, _ network.StreamHandler) {}
+func (_ *MockHost) SetStreamHandler(_ protocol.ID, _ network.StreamHandler) {}
 
 // SetStreamHandlerMatch --
-func (*MockHost) SetStreamHandlerMatch(protocol.ID, func(id protocol.ID) bool, network.StreamHandler) {
+func (_ *MockHost) SetStreamHandlerMatch(protocol.ID, func(id protocol.ID) bool, network.StreamHandler) {
 }
 
 // RemoveStreamHandler --
-func (*MockHost) RemoveStreamHandler(_ protocol.ID) {}
+func (_ *MockHost) RemoveStreamHandler(_ protocol.ID) {}
 
 // NewStream --
-func (*MockHost) NewStream(_ context.Context, _ peer.ID, _ ...protocol.ID) (network.Stream, error) {
+func (_ *MockHost) NewStream(_ context.Context, _ peer.ID, _ ...protocol.ID) (network.Stream, error) {
 	return nil, nil
 }
 
 // Close --
-func (*MockHost) Close() error {
+func (_ *MockHost) Close() error {
 	return nil
 }
 
 // ConnManager --
-func (*MockHost) ConnManager() connmgr.ConnManager {
+func (_ *MockHost) ConnManager() connmgr.ConnManager {
 	return nil
 }
 
 // EventBus --
-func (*MockHost) EventBus() event.Bus {
+func (_ *MockHost) EventBus() event.Bus {
 	return nil
 }

beacon-chain/p2p/testing/mock_peermanager.go

@@ -20,7 +20,7 @@ type MockPeerManager struct {
 }
 
 // Disconnect .
-func (*MockPeerManager) Disconnect(peer.ID) error {
+func (_ *MockPeerManager) Disconnect(peer.ID) error {
 	return nil
 }
 
@@ -35,25 +35,25 @@ func (m *MockPeerManager) Host() host.Host {
 }
 
 // ENR .
-func (m *MockPeerManager) ENR() *enr.Record {
+func (m MockPeerManager) ENR() *enr.Record {
 	return m.Enr
 }
 
 // DiscoveryAddresses .
-func (m *MockPeerManager) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
+func (m MockPeerManager) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
 	if m.FailDiscoveryAddr {
 		return nil, errors.New("fail")
 	}
 	return m.DiscoveryAddr, nil
 }
 
-// RefreshPersistentSubnets .
-func (*MockPeerManager) RefreshPersistentSubnets() {}
+// RefreshENR .
+func (_ MockPeerManager) RefreshENR() {}
 
 // FindPeersWithSubnet .
-func (*MockPeerManager) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
+func (_ MockPeerManager) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
 	return true, nil
 }
 
 // AddPingMethod .
-func (*MockPeerManager) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {}
+func (_ MockPeerManager) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {}

beacon-chain/p2p/testing/mock_peersprovider.go

@@ -64,7 +64,7 @@ func (m *MockPeersProvider) Peers() *peers.Status {
 			log.WithError(err).Debug("Cannot decode")
 		}
 		m.peers.Add(createENR(), id0, ma0, network.DirInbound)
-		m.peers.SetConnectionState(id0, peers.Connected)
+		m.peers.SetConnectionState(id0, peers.PeerConnected)
 		m.peers.SetChainState(id0, &pb.Status{FinalizedEpoch: 10})
 		id1, err := peer.Decode(MockRawPeerId1)
 		if err != nil {
@@ -75,7 +75,7 @@ func (m *MockPeersProvider) Peers() *peers.Status {
 			log.WithError(err).Debug("Cannot decode")
 		}
 		m.peers.Add(createENR(), id1, ma1, network.DirOutbound)
-		m.peers.SetConnectionState(id1, peers.Connected)
+		m.peers.SetConnectionState(id1, peers.PeerConnected)
 		m.peers.SetChainState(id1, &pb.Status{FinalizedEpoch: 11})
 	}
 	return m.peers

beacon-chain/p2p/testing/p2p.go

@@ -10,11 +10,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/p2p/enr"
 	"github.com/libp2p/go-libp2p"
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
-	"github.com/libp2p/go-libp2p/config"
 	core "github.com/libp2p/go-libp2p/core"
 	"github.com/libp2p/go-libp2p/core/control"
 	"github.com/libp2p/go-libp2p/core/host"
@@ -36,17 +34,13 @@ import (
 
 // We have to declare this again here to prevent a circular dependency
 // with the main p2p package.
-const (
-	metadataV1Topic = "/eth2/beacon_chain/req/metadata/1"
-	metadataV2Topic = "/eth2/beacon_chain/req/metadata/2"
-	metadataV3Topic = "/eth2/beacon_chain/req/metadata/3"
-)
+const metatadataV1Topic = "/eth2/beacon_chain/req/metadata/1"
+const metatadataV2Topic = "/eth2/beacon_chain/req/metadata/2"
 
 // TestP2P represents a p2p implementation that can be used for testing.
 type TestP2P struct {
 	t               *testing.T
 	BHost           host.Host
-	EnodeID         enode.ID
 	pubsub          *pubsub.PubSub
 	joinedTopics    map[string]*pubsub.Topic
 	BroadcastCalled atomic.Bool
@@ -57,17 +51,9 @@ type TestP2P struct {
 }
 
 // NewTestP2P initializes a new p2p test service.
-func NewTestP2P(t *testing.T, userOptions ...config.Option) *TestP2P {
+func NewTestP2P(t *testing.T) *TestP2P {
 	ctx := context.Background()
-	options := []config.Option{
-		libp2p.ResourceManager(&network.NullResourceManager{}),
-		libp2p.Transport(tcp.NewTCPTransport),
-		libp2p.DefaultListenAddrs,
-	}
-
-	options = append(options, userOptions...)
-
-	h, err := libp2p.New(options...)
+	h, err := libp2p.New(libp2p.ResourceManager(&network.NullResourceManager{}), libp2p.Transport(tcp.NewTCPTransport), libp2p.DefaultListenAddrs)
 	require.NoError(t, err)
 	ps, err := pubsub.NewFloodSub(ctx, h,
 		pubsub.WithMessageSigning(false),
@@ -253,7 +239,7 @@ func (p *TestP2P) LeaveTopic(topic string) error {
 }
 
 // Encoding returns ssz encoding.
-func (*TestP2P) Encoding() encoder.NetworkEncoding {
+func (_ *TestP2P) Encoding() encoder.NetworkEncoding {
 	return &encoder.SszNetworkEncoder{}
 }
 
@@ -280,39 +266,34 @@ func (p *TestP2P) Host() host.Host {
 }
 
 // ENR returns the enr of the local peer.
-func (*TestP2P) ENR() *enr.Record {
+func (_ *TestP2P) ENR() *enr.Record {
 	return new(enr.Record)
 }
 
-// NodeID returns the node id of the local peer.
-func (p *TestP2P) NodeID() enode.ID {
-	return p.EnodeID
-}
-
 // DiscoveryAddresses --
-func (*TestP2P) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
+func (_ *TestP2P) DiscoveryAddresses() ([]multiaddr.Multiaddr, error) {
 	return nil, nil
 }
 
 // AddConnectionHandler handles the connection with a newly connected peer.
 func (p *TestP2P) AddConnectionHandler(f, _ func(ctx context.Context, id peer.ID) error) {
 	p.BHost.Network().Notify(&network.NotifyBundle{
-		ConnectedF: func(_ network.Network, conn network.Conn) {
+		ConnectedF: func(net network.Network, conn network.Conn) {
 			// Must be handled in a goroutine as this callback cannot be blocking.
 			go func() {
 				p.peers.Add(new(enr.Record), conn.RemotePeer(), conn.RemoteMultiaddr(), conn.Stat().Direction)
 				ctx := context.Background()
 
-				p.peers.SetConnectionState(conn.RemotePeer(), peers.Connecting)
+				p.peers.SetConnectionState(conn.RemotePeer(), peers.PeerConnecting)
 				if err := f(ctx, conn.RemotePeer()); err != nil {
 					logrus.WithError(err).Error("Could not send successful hello rpc request")
 					if err := p.Disconnect(conn.RemotePeer()); err != nil {
 						logrus.WithError(err).Errorf("Unable to close peer %s", conn.RemotePeer())
 					}
-					p.peers.SetConnectionState(conn.RemotePeer(), peers.Disconnected)
+					p.peers.SetConnectionState(conn.RemotePeer(), peers.PeerDisconnected)
 					return
 				}
-				p.peers.SetConnectionState(conn.RemotePeer(), peers.Connected)
+				p.peers.SetConnectionState(conn.RemotePeer(), peers.PeerConnected)
 			}()
 		},
 	})
@@ -321,14 +302,14 @@ func (p *TestP2P) AddConnectionHandler(f, _ func(ctx context.Context, id peer.ID
 // AddDisconnectionHandler --
 func (p *TestP2P) AddDisconnectionHandler(f func(ctx context.Context, id peer.ID) error) {
 	p.BHost.Network().Notify(&network.NotifyBundle{
-		DisconnectedF: func(_ network.Network, conn network.Conn) {
+		DisconnectedF: func(net network.Network, conn network.Conn) {
 			// Must be handled in a goroutine as this callback cannot be blocking.
 			go func() {
-				p.peers.SetConnectionState(conn.RemotePeer(), peers.Disconnecting)
+				p.peers.SetConnectionState(conn.RemotePeer(), peers.PeerDisconnecting)
 				if err := f(context.Background(), conn.RemotePeer()); err != nil {
 					logrus.WithError(err).Debug("Unable to invoke callback")
 				}
-				p.peers.SetConnectionState(conn.RemotePeer(), peers.Disconnected)
+				p.peers.SetConnectionState(conn.RemotePeer(), peers.PeerDisconnected)
 			}()
 		},
 	})
@@ -336,8 +317,6 @@ func (p *TestP2P) AddDisconnectionHandler(f func(ctx context.Context, id peer.ID
 
 // Send a message to a specific peer.
 func (p *TestP2P) Send(ctx context.Context, msg interface{}, topic string, pid peer.ID) (network.Stream, error) {
-	metadataTopics := map[string]bool{metadataV1Topic: true, metadataV2Topic: true, metadataV3Topic: true}
-
 	t := topic
 	if t == "" {
 		return nil, fmt.Errorf("protocol doesn't exist for proto message: %v", msg)
@@ -347,7 +326,7 @@ func (p *TestP2P) Send(ctx context.Context, msg interface{}, topic string, pid p
 		return nil, err
 	}
 
-	if !metadataTopics[topic] {
+	if topic != metatadataV1Topic && topic != metatadataV2Topic {
 		castedMsg, ok := msg.(ssz.Marshaler)
 		if !ok {
 			p.t.Fatalf("%T doesn't support ssz marshaler", msg)
@@ -374,7 +353,7 @@ func (p *TestP2P) Send(ctx context.Context, msg interface{}, topic string, pid p
 }
 
 // Started always returns true.
-func (*TestP2P) Started() bool {
+func (_ *TestP2P) Started() bool {
 	return true
 }
 
@@ -384,12 +363,12 @@ func (p *TestP2P) Peers() *peers.Status {
 }
 
 // FindPeersWithSubnet mocks the p2p func.
-func (*TestP2P) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
+func (_ *TestP2P) FindPeersWithSubnet(_ context.Context, _ string, _ uint64, _ int) (bool, error) {
 	return false, nil
 }
 
-// RefreshPersistentSubnets mocks the p2p func.
-func (*TestP2P) RefreshPersistentSubnets() {}
+// RefreshENR mocks the p2p func.
+func (_ *TestP2P) RefreshENR() {}
 
 // ForkDigest mocks the p2p func.
 func (p *TestP2P) ForkDigest() ([4]byte, error) {
@@ -407,31 +386,31 @@ func (p *TestP2P) MetadataSeq() uint64 {
 }
 
 // AddPingMethod mocks the p2p func.
-func (*TestP2P) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {
+func (_ *TestP2P) AddPingMethod(_ func(ctx context.Context, id peer.ID) error) {
 	// no-op
 }
 
 // InterceptPeerDial .
-func (*TestP2P) InterceptPeerDial(peer.ID) (allow bool) {
+func (_ *TestP2P) InterceptPeerDial(peer.ID) (allow bool) {
 	return true
 }
 
 // InterceptAddrDial .
-func (*TestP2P) InterceptAddrDial(peer.ID, multiaddr.Multiaddr) (allow bool) {
+func (_ *TestP2P) InterceptAddrDial(peer.ID, multiaddr.Multiaddr) (allow bool) {
 	return true
 }
 
 // InterceptAccept .
-func (*TestP2P) InterceptAccept(_ network.ConnMultiaddrs) (allow bool) {
+func (_ *TestP2P) InterceptAccept(_ network.ConnMultiaddrs) (allow bool) {
 	return true
 }
 
 // InterceptSecured .
-func (*TestP2P) InterceptSecured(network.Direction, peer.ID, network.ConnMultiaddrs) (allow bool) {
+func (_ *TestP2P) InterceptSecured(network.Direction, peer.ID, network.ConnMultiaddrs) (allow bool) {
 	return true
 }
 
 // InterceptUpgraded .
-func (*TestP2P) InterceptUpgraded(network.Conn) (allow bool, reason control.DisconnectReason) {
+func (_ *TestP2P) InterceptUpgraded(network.Conn) (allow bool, reason control.DisconnectReason) {
 	return true, 0
 }

beacon-chain/p2p/utils.go

@@ -12,15 +12,10 @@ import (
 	"path"
 	"time"
 
-	"github.com/btcsuite/btcd/btcec/v2"
-	gCrypto "github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/p2p/enr"
 	"github.com/libp2p/go-libp2p/core/crypto"
-	"github.com/libp2p/go-libp2p/core/peer"
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/go-bitfield"
-	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/wrapper"
 	ecdsaprysm "github.com/prysmaticlabs/prysm/v5/crypto/ecdsa"
 	"github.com/prysmaticlabs/prysm/v5/io/file"
@@ -67,7 +62,6 @@ func privKey(cfg *Config) (*ecdsa.PrivateKey, error) {
 	}
 
 	if defaultKeysExist {
-		log.WithField("filePath", defaultKeyPath).Info("Reading static P2P private key from a file. To generate a new random private key at every start, please remove this file.")
 		return privKeyFromFile(defaultKeyPath)
 	}
 
@@ -77,8 +71,8 @@ func privKey(cfg *Config) (*ecdsa.PrivateKey, error) {
 		return nil, err
 	}
 
-	// If the StaticPeerID flag is not set and if peerDAS is not enabled, return the private key.
-	if !(cfg.StaticPeerID || params.PeerDASEnabled()) {
+	// If the StaticPeerID flag is not set, return the private key.
+	if !cfg.StaticPeerID {
 		return ecdsaprysm.ConvertFromInterfacePrivKey(priv)
 	}
 
@@ -95,7 +89,7 @@ func privKey(cfg *Config) (*ecdsa.PrivateKey, error) {
 		return nil, err
 	}
 
-	log.WithField("path", defaultKeyPath).Info("Wrote network key to file")
+	log.Info("Wrote network key to file")
 	// Read the key from the defaultKeyPath file just written
 	// for the strongest guarantee that the next start will be the same as this one.
 	return privKeyFromFile(defaultKeyPath)
@@ -179,27 +173,3 @@ func verifyConnectivity(addr string, port uint, protocol string) {
 		}
 	}
 }
-
-// ConvertPeerIDToNodeID converts a peer ID (libp2p) to a node ID (devp2p).
-func ConvertPeerIDToNodeID(pid peer.ID) (enode.ID, error) {
-	// Retrieve the public key object of the peer under "crypto" form.
-	pubkeyObjCrypto, err := pid.ExtractPublicKey()
-	if err != nil {
-		return [32]byte{}, errors.Wrapf(err, "extract public key from peer ID `%s`", pid)
-	}
-
-	// Extract the bytes representation of the public key.
-	compressedPubKeyBytes, err := pubkeyObjCrypto.Raw()
-	if err != nil {
-		return [32]byte{}, errors.Wrap(err, "public key raw")
-	}
-
-	// Retrieve the public key object of the peer under "SECP256K1" form.
-	pubKeyObjSecp256k1, err := btcec.ParsePubKey(compressedPubKeyBytes)
-	if err != nil {
-		return [32]byte{}, errors.Wrap(err, "parse public key")
-	}
-
-	newPubkey := &ecdsa.PublicKey{Curve: gCrypto.S256(), X: pubKeyObjSecp256k1.X(), Y: pubKeyObjSecp256k1.Y()}
-	return enode.PubkeyToIDV4(newPubkey), nil
-}

beacon-chain/p2p/utils_test.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/p2p/enode"
-	"github.com/libp2p/go-libp2p/core/peer"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/testing/assert"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
@@ -65,19 +64,3 @@ func TestSerializeENR(t *testing.T) {
 		assert.ErrorContains(t, "could not serialize nil record", err)
 	})
 }
-
-func TestConvertPeerIDToNodeID(t *testing.T) {
-	const (
-		peerIDStr         = "16Uiu2HAmRrhnqEfybLYimCiAYer2AtZKDGamQrL1VwRCyeh2YiFc"
-		expectedNodeIDStr = "eed26c5d2425ab95f57246a5dca87317c41cacee4bcafe8bbe57e5965527c290"
-	)
-
-	peerID, err := peer.Decode(peerIDStr)
-	require.NoError(t, err)
-
-	actualNodeID, err := ConvertPeerIDToNodeID(peerID)
-	require.NoError(t, err)
-
-	actualNodeIDStr := actualNodeID.String()
-	require.Equal(t, expectedNodeIDStr, actualNodeIDStr)
-}

beacon-chain/rpc/BUILD.bazel

@@ -5,7 +5,6 @@ go_library(
     srcs = [
         "endpoints.go",
         "log.go",
-        "metrics.go",
         "service.go",
     ],
     importpath = "github.com/prysmaticlabs/prysm/v5/beacon-chain/rpc",

beacon-chain/rpc/core/validator.go

@@ -381,12 +381,21 @@ func (s *Service) SubmitSignedAggregateSelectionProof(
 	ctx, span := trace.StartSpan(ctx, "coreService.SubmitSignedAggregateSelectionProof")
 	defer span.End()
 
-	if agg == nil || agg.IsNil() {
+	if agg == nil {
 		return &RpcError{Err: errors.New("signed aggregate request can't be nil"), Reason: BadRequest}
 	}
 	attAndProof := agg.AggregateAttestationAndProof()
+	if attAndProof == nil {
+		return &RpcError{Err: errors.New("signed aggregate request can't be nil"), Reason: BadRequest}
+	}
 	att := attAndProof.AggregateVal()
+	if att == nil {
+		return &RpcError{Err: errors.New("signed aggregate request can't be nil"), Reason: BadRequest}
+	}
 	data := att.GetData()
+	if data == nil {
+		return &RpcError{Err: errors.New("signed aggregate request can't be nil"), Reason: BadRequest}
+	}
 	emptySig := make([]byte, fieldparams.BLSSignatureLength)
 	if bytes.Equal(agg.GetSignature(), emptySig) || bytes.Equal(attAndProof.GetSelectionProof(), emptySig) {
 		return &RpcError{Err: errors.New("signed signatures can't be zero hashes"), Reason: BadRequest}

beacon-chain/rpc/endpoints.go

@@ -34,48 +34,18 @@ type endpoint struct {
 	methods    []string
 }
 
-// responseWriter is the wrapper to http Response writer.
-type responseWriter struct {
-	http.ResponseWriter
-	statusCode int
-}
-
-// WriteHeader wraps the WriteHeader method of the underlying http.ResponseWriter to capture the status code.
-// Refer for WriteHeader doc: https://pkg.go.dev/net/http@go1.23.3#ResponseWriter.
-func (w *responseWriter) WriteHeader(statusCode int) {
-	w.statusCode = statusCode
-	w.ResponseWriter.WriteHeader(statusCode)
-}
-
 func (e *endpoint) handlerWithMiddleware() http.HandlerFunc {
 	handler := http.Handler(e.handler)
 	for _, m := range e.middleware {
 		handler = m(handler)
 	}
-
-	handler = promhttp.InstrumentHandlerDuration(
+	return promhttp.InstrumentHandlerDuration(
 		httpRequestLatency.MustCurryWith(prometheus.Labels{"endpoint": e.name}),
 		promhttp.InstrumentHandlerCounter(
 			httpRequestCount.MustCurryWith(prometheus.Labels{"endpoint": e.name}),
 			handler,
 		),
 	)
-
-	return func(w http.ResponseWriter, r *http.Request) {
-		// SSE errors are handled separately to avoid interference with the streaming
-		// mechanism and ensure accurate error tracking.
-		if e.template == "/eth/v1/events" {
-			handler.ServeHTTP(w, r)
-			return
-		}
-
-		rw := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}
-		handler.ServeHTTP(rw, r)
-
-		if rw.statusCode >= 400 {
-			httpErrorCount.WithLabelValues(r.URL.Path, http.StatusText(rw.statusCode), r.Method).Inc()
-		}
-	}
 }
 
 func (s *Service) endpoints(
@@ -172,11 +142,9 @@ func (s *Service) builderEndpoints(stater lookup.Stater) []endpoint {
 	}
 }
 
-func (s *Service) blobEndpoints(blocker lookup.Blocker) []endpoint {
+func (*Service) blobEndpoints(blocker lookup.Blocker) []endpoint {
 	server := &blob.Server{
-		Blocker:               blocker,
-		OptimisticModeFetcher: s.cfg.OptimisticModeFetcher,
-		FinalizationFetcher:   s.cfg.FinalizationFetcher,
+		Blocker: blocker,
 	}
 
 	const namespace = "blob"

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

@@ -87,7 +87,7 @@ func (s *Server) ListAttestations(w http.ResponseWriter, r *http.Request) {
 // ListAttestationsV2 retrieves attestations known by the node but
 // not necessarily incorporated into any block. Allows filtering by committee index or slot.
 func (s *Server) ListAttestationsV2(w http.ResponseWriter, r *http.Request) {
-	_, span := trace.StartSpan(r.Context(), "beacon.ListAttestationsV2")
+	ctx, span := trace.StartSpan(r.Context(), "beacon.ListAttestationsV2")
 	defer span.End()
 
 	rawSlot, slot, ok := shared.UintFromQuery(w, r, "slot", false)
@@ -98,10 +98,13 @@ func (s *Server) ListAttestationsV2(w http.ResponseWriter, r *http.Request) {
 	if !ok {
 		return
 	}
-	v := slots.ToForkVersion(primitives.Slot(slot))
-	if rawSlot == "" {
-		v = slots.ToForkVersion(s.TimeFetcher.CurrentSlot())
+
+	headState, err := s.ChainInfoFetcher.HeadStateReadOnly(ctx)
+	if err != nil {
+		httputil.HandleError(w, "Could not get head state: "+err.Error(), http.StatusInternalServerError)
+		return
 	}
+
 	attestations := s.AttestationsPool.AggregatedAttestations()
 	unaggAtts, err := s.AttestationsPool.UnaggregatedAttestations()
 	if err != nil {
@@ -113,7 +116,7 @@ func (s *Server) ListAttestationsV2(w http.ResponseWriter, r *http.Request) {
 	filteredAtts := make([]interface{}, 0, len(attestations))
 	for _, att := range attestations {
 		var includeAttestation bool
-		if v >= version.Electra && att.Version() >= version.Electra {
+		if headState.Version() >= version.Electra {
 			attElectra, ok := att.(*eth.AttestationElectra)
 			if !ok {
 				httputil.HandleError(w, fmt.Sprintf("Unable to convert attestation of type %T", att), http.StatusInternalServerError)
@@ -125,7 +128,7 @@ func (s *Server) ListAttestationsV2(w http.ResponseWriter, r *http.Request) {
 				attStruct := structs.AttElectraFromConsensus(attElectra)
 				filteredAtts = append(filteredAtts, attStruct)
 			}
-		} else if v < version.Electra && att.Version() < version.Electra {
+		} else {
 			attOld, ok := att.(*eth.Attestation)
 			if !ok {
 				httputil.HandleError(w, fmt.Sprintf("Unable to convert attestation of type %T", att), http.StatusInternalServerError)
@@ -146,9 +149,8 @@ func (s *Server) ListAttestationsV2(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Set(api.VersionHeader, version.String(v))
 	httputil.WriteJson(w, &structs.ListAttestationsResponse{
-		Version: version.String(v),
+		Version: version.String(headState.Version()),
 		Data:    attsData,
 	})
 }
@@ -723,33 +725,31 @@ func (s *Server) GetAttesterSlashingsV2(w http.ResponseWriter, r *http.Request)
 	ctx, span := trace.StartSpan(r.Context(), "beacon.GetAttesterSlashingsV2")
 	defer span.End()
 
-	v := slots.ToForkVersion(s.TimeFetcher.CurrentSlot())
 	headState, err := s.ChainInfoFetcher.HeadStateReadOnly(ctx)
 	if err != nil {
 		httputil.HandleError(w, "Could not get head state: "+err.Error(), http.StatusInternalServerError)
 		return
 	}
+
 	var attStructs []interface{}
 	sourceSlashings := s.SlashingsPool.PendingAttesterSlashings(ctx, headState, true /* return unlimited slashings */)
 
 	for _, slashing := range sourceSlashings {
 		var attStruct interface{}
-		if v >= version.Electra && slashing.Version() >= version.Electra {
+		if headState.Version() >= version.Electra {
 			a, ok := slashing.(*eth.AttesterSlashingElectra)
 			if !ok {
 				httputil.HandleError(w, fmt.Sprintf("Unable to convert slashing of type %T to an Electra slashing", slashing), http.StatusInternalServerError)
 				return
 			}
 			attStruct = structs.AttesterSlashingElectraFromConsensus(a)
-		} else if v < version.Electra && slashing.Version() < version.Electra {
+		} else {
 			a, ok := slashing.(*eth.AttesterSlashing)
 			if !ok {
 				httputil.HandleError(w, fmt.Sprintf("Unable to convert slashing of type %T to a Phase0 slashing", slashing), http.StatusInternalServerError)
 				return
 			}
 			attStruct = structs.AttesterSlashingFromConsensus(a)
-		} else {
-			continue
 		}
 		attStructs = append(attStructs, attStruct)
 	}
@@ -761,10 +761,10 @@ func (s *Server) GetAttesterSlashingsV2(w http.ResponseWriter, r *http.Request)
 	}
 
 	resp := &structs.GetAttesterSlashingsResponse{
-		Version: version.String(v),
+		Version: version.String(headState.Version()),
 		Data:    attBytes,
 	}
-	w.Header().Set(api.VersionHeader, version.String(v))
+	w.Header().Set(api.VersionHeader, version.String(headState.Version()))
 	httputil.WriteJson(w, resp)
 }
 

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

@@ -115,16 +115,9 @@ func TestListAttestations(t *testing.T) {
 		Signature: bytesutil.PadTo([]byte("signature4"), 96),
 	}
 	t.Run("V1", func(t *testing.T) {
-		bs, err := util.NewBeaconState()
-		require.NoError(t, err)
-
-		chainService := &blockchainmock.ChainService{State: bs}
 		s := &Server{
-			ChainInfoFetcher: chainService,
-			TimeFetcher:      chainService,
 			AttestationsPool: attestations.NewPool(),
 		}
-
 		require.NoError(t, s.AttestationsPool.SaveAggregatedAttestations([]ethpbv1alpha1.Att{att1, att2}))
 		require.NoError(t, s.AttestationsPool.SaveUnaggregatedAttestations([]ethpbv1alpha1.Att{att3, att4}))
 
@@ -211,19 +204,10 @@ func TestListAttestations(t *testing.T) {
 		t.Run("Pre-Electra", func(t *testing.T) {
 			bs, err := util.NewBeaconState()
 			require.NoError(t, err)
-
-			chainService := &blockchainmock.ChainService{State: bs}
 			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
+				ChainInfoFetcher: &blockchainmock.ChainService{State: bs},
 				AttestationsPool: attestations.NewPool(),
 			}
-
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.DenebForkEpoch = 0
-			params.OverrideBeaconConfig(config)
-
 			require.NoError(t, s.AttestationsPool.SaveAggregatedAttestations([]ethpbv1alpha1.Att{att1, att2}))
 			require.NoError(t, s.AttestationsPool.SaveUnaggregatedAttestations([]ethpbv1alpha1.Att{att3, att4}))
 			t.Run("empty request", func(t *testing.T) {
@@ -242,7 +226,7 @@ func TestListAttestations(t *testing.T) {
 				var atts []*structs.Attestation
 				require.NoError(t, json.Unmarshal(resp.Data, &atts))
 				assert.Equal(t, 4, len(atts))
-				assert.Equal(t, "deneb", resp.Version)
+				assert.Equal(t, "phase0", resp.Version)
 			})
 			t.Run("slot request", func(t *testing.T) {
 				url := "http://example.com?slot=2"
@@ -260,7 +244,7 @@ func TestListAttestations(t *testing.T) {
 				var atts []*structs.Attestation
 				require.NoError(t, json.Unmarshal(resp.Data, &atts))
 				assert.Equal(t, 2, len(atts))
-				assert.Equal(t, "deneb", resp.Version)
+				assert.Equal(t, "phase0", resp.Version)
 				for _, a := range atts {
 					assert.Equal(t, "2", a.Data.Slot)
 				}
@@ -281,7 +265,7 @@ func TestListAttestations(t *testing.T) {
 				var atts []*structs.Attestation
 				require.NoError(t, json.Unmarshal(resp.Data, &atts))
 				assert.Equal(t, 2, len(atts))
-				assert.Equal(t, "deneb", resp.Version)
+				assert.Equal(t, "phase0", resp.Version)
 				for _, a := range atts {
 					assert.Equal(t, "4", a.Data.CommitteeIndex)
 				}
@@ -302,7 +286,7 @@ func TestListAttestations(t *testing.T) {
 				var atts []*structs.Attestation
 				require.NoError(t, json.Unmarshal(resp.Data, &atts))
 				assert.Equal(t, 1, len(atts))
-				assert.Equal(t, "deneb", resp.Version)
+				assert.Equal(t, "phase0", resp.Version)
 				for _, a := range atts {
 					assert.Equal(t, "2", a.Data.Slot)
 					assert.Equal(t, "4", a.Data.CommitteeIndex)
@@ -386,21 +370,12 @@ func TestListAttestations(t *testing.T) {
 			}
 			bs, err := util.NewBeaconStateElectra()
 			require.NoError(t, err)
-
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.ElectraForkEpoch = 0
-			params.OverrideBeaconConfig(config)
-
-			chainService := &blockchainmock.ChainService{State: bs}
 			s := &Server{
 				AttestationsPool: attestations.NewPool(),
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
+				ChainInfoFetcher: &blockchainmock.ChainService{State: bs},
 			}
-			// Added one pre electra attestation to ensure it is ignored.
-			require.NoError(t, s.AttestationsPool.SaveAggregatedAttestations([]ethpbv1alpha1.Att{attElectra1, attElectra2, att1}))
-			require.NoError(t, s.AttestationsPool.SaveUnaggregatedAttestations([]ethpbv1alpha1.Att{attElectra3, attElectra4, att3}))
+			require.NoError(t, s.AttestationsPool.SaveAggregatedAttestations([]ethpbv1alpha1.Att{attElectra1, attElectra2}))
+			require.NoError(t, s.AttestationsPool.SaveUnaggregatedAttestations([]ethpbv1alpha1.Att{attElectra3, attElectra4}))
 
 			t.Run("empty request", func(t *testing.T) {
 				url := "http://example.com"
@@ -1683,59 +1658,12 @@ func TestGetAttesterSlashings(t *testing.T) {
 		})
 	})
 	t.Run("V2", func(t *testing.T) {
-		t.Run("post-electra-ok-1-pre-slashing", func(t *testing.T) {
-			bs, err := util.NewBeaconStateElectra()
-			require.NoError(t, err)
-
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.ElectraForkEpoch = 100
-			params.OverrideBeaconConfig(config)
-
-			chainService := &blockchainmock.ChainService{State: bs}
-
-			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
-				SlashingsPool:    &slashingsmock.PoolMock{PendingAttSlashings: []ethpbv1alpha1.AttSlashing{slashing1PostElectra, slashing2PostElectra, slashing1PreElectra}},
-			}
-
-			request := httptest.NewRequest(http.MethodGet, "http://example.com/eth/v2/beacon/pool/attester_slashings", nil)
-			writer := httptest.NewRecorder()
-			writer.Body = &bytes.Buffer{}
-
-			s.GetAttesterSlashingsV2(writer, request)
-			require.Equal(t, http.StatusOK, writer.Code)
-			resp := &structs.GetAttesterSlashingsResponse{}
-			require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
-			require.NotNil(t, resp)
-			require.NotNil(t, resp.Data)
-			assert.Equal(t, "electra", resp.Version)
-
-			// Unmarshal resp.Data into a slice of slashings
-			var slashings []*structs.AttesterSlashingElectra
-			require.NoError(t, json.Unmarshal(resp.Data, &slashings))
-
-			ss, err := structs.AttesterSlashingsElectraToConsensus(slashings)
-			require.NoError(t, err)
-
-			require.DeepEqual(t, slashing1PostElectra, ss[0])
-			require.DeepEqual(t, slashing2PostElectra, ss[1])
-		})
 		t.Run("post-electra-ok", func(t *testing.T) {
 			bs, err := util.NewBeaconStateElectra()
 			require.NoError(t, err)
 
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.ElectraForkEpoch = 100
-			params.OverrideBeaconConfig(config)
-
-			chainService := &blockchainmock.ChainService{State: bs}
-
 			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
+				ChainInfoFetcher: &blockchainmock.ChainService{State: bs},
 				SlashingsPool:    &slashingsmock.PoolMock{PendingAttSlashings: []ethpbv1alpha1.AttSlashing{slashing1PostElectra, slashing2PostElectra}},
 			}
 
@@ -1764,11 +1692,9 @@ func TestGetAttesterSlashings(t *testing.T) {
 		t.Run("pre-electra-ok", func(t *testing.T) {
 			bs, err := util.NewBeaconState()
 			require.NoError(t, err)
-			chainService := &blockchainmock.ChainService{State: bs}
 
 			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
+				ChainInfoFetcher: &blockchainmock.ChainService{State: bs},
 				SlashingsPool:    &slashingsmock.PoolMock{PendingAttSlashings: []ethpbv1alpha1.AttSlashing{slashing1PreElectra, slashing2PreElectra}},
 			}
 
@@ -1796,15 +1722,8 @@ func TestGetAttesterSlashings(t *testing.T) {
 			bs, err := util.NewBeaconStateElectra()
 			require.NoError(t, err)
 
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.ElectraForkEpoch = 100
-			params.OverrideBeaconConfig(config)
-
-			chainService := &blockchainmock.ChainService{State: bs}
 			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
+				ChainInfoFetcher: &blockchainmock.ChainService{State: bs},
 				SlashingsPool:    &slashingsmock.PoolMock{PendingAttSlashings: []ethpbv1alpha1.AttSlashing{}},
 			}
 

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

@@ -10,14 +10,12 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//api/server/structs:go_default_library",
-        "//beacon-chain/blockchain:go_default_library",
         "//beacon-chain/rpc/core:go_default_library",
         "//beacon-chain/rpc/lookup:go_default_library",
         "//config/fieldparams:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//monitoring/tracing/trace:go_default_library",
         "//network/httputil:go_default_library",
-        "//runtime/version:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
     ],

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

@@ -15,7 +15,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	"github.com/prysmaticlabs/prysm/v5/network/httputil"
-	"github.com/prysmaticlabs/prysm/v5/runtime/version"
 )
 
 // Blobs is an HTTP handler for Beacon API getBlobs.
@@ -60,30 +59,7 @@ func (s *Server) Blobs(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	blk, err := s.Blocker.Block(ctx, []byte(blockId))
-	if err != nil {
-		httputil.HandleError(w, "Could not fetch block: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	blkRoot, err := blk.Block().HashTreeRoot()
-	if err != nil {
-		httputil.HandleError(w, "Could not hash block: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-	isOptimistic, err := s.OptimisticModeFetcher.IsOptimisticForRoot(ctx, blkRoot)
-	if err != nil {
-		httputil.HandleError(w, "Could not check if block is optimistic: "+err.Error(), http.StatusInternalServerError)
-		return
-	}
-
-	data := buildSidecarsJsonResponse(verifiedBlobs)
-	resp := &structs.SidecarsResponse{
-		Version:             version.String(blk.Version()),
-		Data:                data,
-		ExecutionOptimistic: isOptimistic,
-		Finalized:           s.FinalizationFetcher.IsFinalized(ctx, blkRoot),
-	}
-	httputil.WriteJson(w, resp)
+	httputil.WriteJson(w, buildSidecarsJsonResponse(verifiedBlobs))
 }
 
 // parseIndices filters out invalid and duplicate blob indices
@@ -116,14 +92,14 @@ loop:
 	return indices, nil
 }
 
-func buildSidecarsJsonResponse(verifiedBlobs []*blocks.VerifiedROBlob) []*structs.Sidecar {
-	sidecars := make([]*structs.Sidecar, len(verifiedBlobs))
+func buildSidecarsJsonResponse(verifiedBlobs []*blocks.VerifiedROBlob) *structs.SidecarsResponse {
+	resp := &structs.SidecarsResponse{Data: make([]*structs.Sidecar, len(verifiedBlobs))}
 	for i, sc := range verifiedBlobs {
 		proofs := make([]string, len(sc.CommitmentInclusionProof))
 		for j := range sc.CommitmentInclusionProof {
 			proofs[j] = hexutil.Encode(sc.CommitmentInclusionProof[j])
 		}
-		sidecars[i] = &structs.Sidecar{
+		resp.Data[i] = &structs.Sidecar{
 			Index:                    strconv.FormatUint(sc.Index, 10),
 			Blob:                     hexutil.Encode(sc.Blob),
 			KzgCommitment:            hexutil.Encode(sc.KzgCommitment),
@@ -132,7 +108,7 @@ func buildSidecarsJsonResponse(verifiedBlobs []*blocks.VerifiedROBlob) []*struct
 			CommitmentInclusionProof: proofs,
 		}
 	}
-	return sidecars
+	return resp
 }
 
 func buildSidecarsSSZResponse(verifiedBlobs []*blocks.VerifiedROBlob) ([]byte, error) {

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

@@ -46,20 +46,16 @@ func TestBlobs(t *testing.T) {
 	}
 	blockRoot := blobs[0].BlockRoot()
 
-	mockChainService := &mockChain.ChainService{
-		FinalizedRoots: map[[32]byte]bool{},
-	}
-	s := &Server{
-		OptimisticModeFetcher: mockChainService,
-		FinalizationFetcher:   mockChainService,
-	}
-
 	t.Run("genesis", func(t *testing.T) {
 		u := "http://foo.example/genesis"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{}
+		blocker := &lookup.BeaconDbBlocker{}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusBadRequest, writer.Code)
@@ -73,14 +69,18 @@ func TestBlobs(t *testing.T) {
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{Root: blockRoot[:], Block: denebBlock},
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{Root: blockRoot[:]},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusOK, writer.Code)
@@ -111,96 +111,118 @@ func TestBlobs(t *testing.T) {
 		assert.Equal(t, hexutil.Encode(blobs[3].Blob), sidecar.Blob)
 		assert.Equal(t, hexutil.Encode(blobs[3].KzgCommitment), sidecar.KzgCommitment)
 		assert.Equal(t, hexutil.Encode(blobs[3].KzgProof), sidecar.KzgProof)
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("finalized", func(t *testing.T) {
 		u := "http://foo.example/finalized"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}, Block: denebBlock},
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusOK, writer.Code)
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, 4, len(resp.Data))
+	})
+	t.Run("justified", func(t *testing.T) {
+		u := "http://foo.example/justified"
+		request := httptest.NewRequest("GET", u, nil)
+		writer := httptest.NewRecorder()
+		writer.Body = &bytes.Buffer{}
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{CurrentJustifiedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
+			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
+				Genesis: time.Now(),
+			},
+			BeaconDB:    db,
+			BlobStorage: bs,
+		}
+		s := &Server{
+			Blocker: blocker,
+		}
 
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
+		s.Blobs(writer, request)
+
+		assert.Equal(t, http.StatusOK, writer.Code)
+		resp := &structs.SidecarsResponse{}
+		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
+		require.Equal(t, 4, len(resp.Data))
 	})
 	t.Run("root", func(t *testing.T) {
 		u := "http://foo.example/" + hexutil.Encode(blockRoot[:])
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{Block: denebBlock},
-			BeaconDB:         db,
+		blocker := &lookup.BeaconDbBlocker{
+			BeaconDB: db,
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusOK, writer.Code)
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, 4, len(resp.Data))
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("slot", func(t *testing.T) {
 		u := "http://foo.example/123"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{Block: denebBlock},
-			BeaconDB:         db,
+		blocker := &lookup.BeaconDbBlocker{
+			BeaconDB: db,
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusOK, writer.Code)
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, 4, len(resp.Data))
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("one blob only", func(t *testing.T) {
 		u := "http://foo.example/123?indices=2"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}, Block: denebBlock},
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusOK, writer.Code)
@@ -213,47 +235,45 @@ func TestBlobs(t *testing.T) {
 		assert.Equal(t, hexutil.Encode(blobs[2].Blob), sidecar.Blob)
 		assert.Equal(t, hexutil.Encode(blobs[2].KzgCommitment), sidecar.KzgCommitment)
 		assert.Equal(t, hexutil.Encode(blobs[2].KzgProof), sidecar.KzgProof)
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("no blobs returns an empty array", func(t *testing.T) {
 		u := "http://foo.example/123"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}, Block: denebBlock},
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BeaconDB:    db,
 			BlobStorage: filesystem.NewEphemeralBlobStorage(t), // new ephemeral storage
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
 
 		s.Blobs(writer, request)
 		assert.Equal(t, http.StatusOK, writer.Code)
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, len(resp.Data), 0)
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("outside retention period returns 200 w/ empty list ", func(t *testing.T) {
 		u := "http://foo.example/123"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		moc := &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}, Block: denebBlock}
-		s.Blocker = &lookup.BeaconDbBlocker{
+		moc := &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}}
+		blocker := &lookup.BeaconDbBlocker{
 			ChainInfoFetcher:   moc,
 			GenesisTimeFetcher: moc, // genesis time is set to 0 here, so it results in current epoch being extremely large
 			BeaconDB:           db,
 			BlobStorage:        bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
 
 		s.Blobs(writer, request)
 
@@ -261,10 +281,6 @@ func TestBlobs(t *testing.T) {
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, 0, len(resp.Data))
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("block without commitments returns 200 w/empty list ", func(t *testing.T) {
 		denebBlock, _ := util.GenerateTestDenebBlockWithSidecar(t, [32]byte{}, 333, 0)
@@ -277,14 +293,17 @@ func TestBlobs(t *testing.T) {
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
-			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}, Block: denebBlock},
+		blocker := &lookup.BeaconDbBlocker{
+			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
 			},
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
 
 		s.Blobs(writer, request)
 
@@ -292,17 +311,16 @@ func TestBlobs(t *testing.T) {
 		resp := &structs.SidecarsResponse{}
 		require.NoError(t, json.Unmarshal(writer.Body.Bytes(), resp))
 		require.Equal(t, 0, len(resp.Data))
-
-		require.Equal(t, "deneb", resp.Version)
-		require.Equal(t, false, resp.ExecutionOptimistic)
-		require.Equal(t, false, resp.Finalized)
 	})
 	t.Run("slot before Deneb fork", func(t *testing.T) {
 		u := "http://foo.example/31"
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{}
+		blocker := &lookup.BeaconDbBlocker{}
+		s := &Server{
+			Blocker: blocker,
+		}
 
 		s.Blobs(writer, request)
 
@@ -317,7 +335,11 @@ func TestBlobs(t *testing.T) {
 		request := httptest.NewRequest("GET", u, nil)
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{}
+		blocker := &lookup.BeaconDbBlocker{}
+		s := &Server{
+			Blocker: blocker,
+		}
+
 		s.Blobs(writer, request)
 
 		assert.Equal(t, http.StatusBadRequest, writer.Code)
@@ -332,7 +354,7 @@ func TestBlobs(t *testing.T) {
 		request.Header.Add("Accept", "application/octet-stream")
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
+		blocker := &lookup.BeaconDbBlocker{
 			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
@@ -340,8 +362,10 @@ func TestBlobs(t *testing.T) {
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
 		s.Blobs(writer, request)
-
 		assert.Equal(t, http.StatusOK, writer.Code)
 		require.Equal(t, len(writer.Body.Bytes()), fieldparams.BlobSidecarSize) // size of each sidecar
 		// can directly unmarshal to sidecar since there's only 1
@@ -355,7 +379,7 @@ func TestBlobs(t *testing.T) {
 		request.Header.Add("Accept", "application/octet-stream")
 		writer := httptest.NewRecorder()
 		writer.Body = &bytes.Buffer{}
-		s.Blocker = &lookup.BeaconDbBlocker{
+		blocker := &lookup.BeaconDbBlocker{
 			ChainInfoFetcher: &mockChain.ChainService{FinalizedCheckPoint: &eth.Checkpoint{Root: blockRoot[:]}},
 			GenesisTimeFetcher: &testutil.MockGenesisTimeFetcher{
 				Genesis: time.Now(),
@@ -363,8 +387,10 @@ func TestBlobs(t *testing.T) {
 			BeaconDB:    db,
 			BlobStorage: bs,
 		}
+		s := &Server{
+			Blocker: blocker,
+		}
 		s.Blobs(writer, request)
-
 		assert.Equal(t, http.StatusOK, writer.Code)
 		require.Equal(t, len(writer.Body.Bytes()), fieldparams.BlobSidecarSize*4) // size of each sidecar
 	})

beacon-chain/rpc/eth/blob/server.go

@@ -1,12 +1,9 @@
 package blob
 
 import (
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/blockchain"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/rpc/lookup"
 )
 
 type Server struct {
-	Blocker               lookup.Blocker
-	OptimisticModeFetcher blockchain.OptimisticModeFetcher
-	FinalizationFetcher   blockchain.FinalizationFetcher
+	Blocker lookup.Blocker
 }

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

@@ -79,7 +79,6 @@ func TestGetSpec(t *testing.T) {
 	config.DenebForkEpoch = 105
 	config.ElectraForkVersion = []byte("ElectraForkVersion")
 	config.ElectraForkEpoch = 107
-	config.Eip7594ForkEpoch = 109
 	config.BLSWithdrawalPrefixByte = byte('b')
 	config.ETH1AddressWithdrawalPrefixByte = byte('c')
 	config.GenesisDelay = 24
@@ -190,7 +189,7 @@ func TestGetSpec(t *testing.T) {
 	data, ok := resp.Data.(map[string]interface{})
 	require.Equal(t, true, ok)
 
-	assert.Equal(t, 156, len(data))
+	assert.Equal(t, 155, len(data))
 	for k, v := range data {
 		t.Run(k, func(t *testing.T) {
 			switch k {
@@ -268,8 +267,6 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x"+hex.EncodeToString([]byte("ElectraForkVersion")), v)
 			case "ELECTRA_FORK_EPOCH":
 				assert.Equal(t, "107", v)
-			case "EIP7594_FORK_EPOCH":
-				assert.Equal(t, "109", v)
 			case "MIN_ANCHOR_POW_BLOCK_DIFFICULTY":
 				assert.Equal(t, "1000", v)
 			case "BLS_WITHDRAWAL_PREFIX":

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

@@ -19,12 +19,11 @@ go_library(
         "//beacon-chain/core/feed/state:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/time:go_default_library",
+        "//beacon-chain/core/transition:go_default_library",
         "//config/params:go_default_library",
-        "//consensus-types/payload-attribute:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//monitoring/tracing/trace:go_default_library",
         "//network/httputil:go_default_library",
-        "//proto/engine/v1:go_default_library",
         "//proto/eth/v1:go_default_library",
         "//proto/eth/v2:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
@@ -32,8 +31,6 @@ go_library(
         "//time/slots:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
-        "@com_github_prometheus_client_golang//prometheus:go_default_library",
-        "@com_github_prometheus_client_golang//prometheus/promauto:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
     ],
 )
@@ -55,7 +52,6 @@ go_test(
         "//config/fieldparams:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
-        "//consensus-types/payload-attribute:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//proto/eth/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",

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

@@ -7,13 +7,10 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"strconv"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prysmaticlabs/prysm/v5/api"
 	"github.com/prysmaticlabs/prysm/v5/api/server/structs"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed"
@@ -21,12 +18,11 @@ import (
 	statefeed "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed/state"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	chaintime "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
+	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/transition"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
-	payloadattribute "github.com/prysmaticlabs/prysm/v5/consensus-types/payload-attribute"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
 	"github.com/prysmaticlabs/prysm/v5/network/httputil"
-	engine "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
 	ethpbv2 "github.com/prysmaticlabs/prysm/v5/proto/eth/v2"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -35,7 +31,6 @@ import (
 )
 
 const DefaultEventFeedDepth = 1000
-const payloadAttributeTimeout = 2 * time.Second
 
 const (
 	InvalidTopic = "__invalid__"
@@ -78,14 +73,6 @@ var (
 	errWriterUnusable     = errors.New("http response writer is unusable")
 )
 
-var httpSSEErrorCount = promauto.NewCounterVec(
-	prometheus.CounterOpts{
-		Name: "http_sse_error_count",
-		Help: "Total HTTP errors for server sent events endpoint",
-	},
-	[]string{"endpoint", "error"},
-)
-
 // The eventStreamer uses lazyReaders to defer serialization until the moment the value is ready to be written to the client.
 type lazyReader func() io.Reader
 
@@ -102,12 +89,12 @@ var opsFeedEventTopics = map[feed.EventType]string{
 
 var stateFeedEventTopics = map[feed.EventType]string{
 	statefeed.NewHead:                     HeadTopic,
+	statefeed.MissedSlot:                  PayloadAttributesTopic,
 	statefeed.FinalizedCheckpoint:         FinalizedCheckpointTopic,
 	statefeed.LightClientFinalityUpdate:   LightClientFinalityUpdateTopic,
 	statefeed.LightClientOptimisticUpdate: LightClientOptimisticUpdateTopic,
 	statefeed.Reorg:                       ChainReorgTopic,
 	statefeed.BlockProcessed:              BlockTopic,
-	statefeed.PayloadAttributes:           PayloadAttributesTopic,
 }
 
 var topicsForStateFeed = topicsForFeed(stateFeedEventTopics)
@@ -155,13 +142,6 @@ func newTopicRequest(topics []string) (*topicRequest, error) {
 // Servers may send SSE comments beginning with ':' for any purpose,
 // including to keep the event stream connection alive in the presence of proxy servers.
 func (s *Server) StreamEvents(w http.ResponseWriter, r *http.Request) {
-	var err error
-	defer func() {
-		if err != nil {
-			httpSSEErrorCount.WithLabelValues(r.URL.Path, err.Error()).Inc()
-		}
-	}()
-
 	log.Debug("Starting StreamEvents handler")
 	ctx, span := trace.StartSpan(r.Context(), "events.StreamEvents")
 	defer span.End()
@@ -191,7 +171,7 @@ func (s *Server) StreamEvents(w http.ResponseWriter, r *http.Request) {
 	defer cancel()
 	es := newEventStreamer(buffSize, ka)
 
-	go es.outboxWriteLoop(ctx, cancel, sw, r.URL.Path)
+	go es.outboxWriteLoop(ctx, cancel, sw)
 	if err := es.recvEventLoop(ctx, cancel, topics, s); err != nil {
 		log.WithError(err).Debug("Shutting down StreamEvents handler.")
 	}
@@ -281,12 +261,11 @@ func newlineReader() io.Reader {
 
 // outboxWriteLoop runs in a separate goroutine. Its job is to write the values in the outbox to
 // the client as fast as the client can read them.
-func (es *eventStreamer) outboxWriteLoop(ctx context.Context, cancel context.CancelFunc, w *streamingResponseWriterController, endpoint string) {
+func (es *eventStreamer) outboxWriteLoop(ctx context.Context, cancel context.CancelFunc, w *streamingResponseWriterController) {
 	var err error
 	defer func() {
 		if err != nil {
 			log.WithError(err).Debug("Event streamer shutting down due to error.")
-			httpSSEErrorCount.WithLabelValues(endpoint, err.Error()).Inc()
 		}
 		es.exit()
 	}()
@@ -439,9 +418,10 @@ func topicForEvent(event *feed.Event) string {
 		return ChainReorgTopic
 	case *statefeed.BlockProcessedData:
 		return BlockTopic
-	case payloadattribute.EventData:
-		return PayloadAttributesTopic
 	default:
+		if event.Type == statefeed.MissedSlot {
+			return PayloadAttributesTopic
+		}
 		return InvalidTopic
 	}
 }
@@ -451,17 +431,31 @@ func (s *Server) lazyReaderForEvent(ctx context.Context, event *feed.Event, topi
 	if !topics.requested(eventName) {
 		return nil, errNotRequested
 	}
+	if eventName == PayloadAttributesTopic {
+		return s.currentPayloadAttributes(ctx)
+	}
 	if event == nil || event.Data == nil {
 		return nil, errors.New("event or event data is nil")
 	}
 	switch v := event.Data.(type) {
-	case payloadattribute.EventData:
-		return s.payloadAttributesReader(ctx, v)
 	case *ethpb.EventHead:
 		// The head event is a special case because, if the client requested the payload attributes topic,
 		// we send two event messages in reaction; the head event and the payload attributes.
-		return func() io.Reader {
+		headReader := func() io.Reader {
 			return jsonMarshalReader(eventName, structs.HeadEventFromV1(v))
+		}
+		// Don't do the expensive attr lookup unless the client requested it.
+		if !topics.requested(PayloadAttributesTopic) {
+			return headReader, nil
+		}
+		// Since payload attributes could change before the outbox is written, we need to do a blocking operation to
+		// get the current payload attributes right here.
+		attrReader, err := s.currentPayloadAttributes(ctx)
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get payload attributes for head event")
+		}
+		return func() io.Reader {
+			return io.MultiReader(headReader(), attrReader())
 		}, nil
 	case *operation.AggregatedAttReceivedData:
 		return func() io.Reader {
@@ -469,20 +463,14 @@ func (s *Server) lazyReaderForEvent(ctx context.Context, event *feed.Event, topi
 			return jsonMarshalReader(eventName, att)
 		}, nil
 	case *operation.UnAggregatedAttReceivedData:
-		switch att := v.Attestation.(type) {
-		case *eth.Attestation:
-			return func() io.Reader {
-				att := structs.AttFromConsensus(att)
-				return jsonMarshalReader(eventName, att)
-			}, nil
-		case *eth.AttestationElectra:
-			return func() io.Reader {
-				att := structs.AttElectraFromConsensus(att)
-				return jsonMarshalReader(eventName, att)
-			}, nil
-		default:
+		att, ok := v.Attestation.(*eth.Attestation)
+		if !ok {
 			return nil, errors.Wrapf(errUnhandledEventData, "Unexpected type %T for the .Attestation field of UnAggregatedAttReceivedData", v.Attestation)
 		}
+		return func() io.Reader {
+			att := structs.AttFromConsensus(att)
+			return jsonMarshalReader(eventName, att)
+		}, nil
 	case *operation.ExitReceivedData:
 		return func() io.Reader {
 			return jsonMarshalReader(eventName, structs.SignedExitFromConsensus(v.Exit))
@@ -507,18 +495,13 @@ func (s *Server) lazyReaderForEvent(ctx context.Context, event *feed.Event, topi
 			})
 		}, nil
 	case *operation.AttesterSlashingReceivedData:
-		switch slashing := v.AttesterSlashing.(type) {
-		case *eth.AttesterSlashing:
-			return func() io.Reader {
-				return jsonMarshalReader(eventName, structs.AttesterSlashingFromConsensus(slashing))
-			}, nil
-		case *eth.AttesterSlashingElectra:
-			return func() io.Reader {
-				return jsonMarshalReader(eventName, structs.AttesterSlashingElectraFromConsensus(slashing))
-			}, nil
-		default:
+		slashing, ok := v.AttesterSlashing.(*eth.AttesterSlashing)
+		if !ok {
 			return nil, errors.Wrapf(errUnhandledEventData, "Unexpected type %T for the .AttesterSlashing field of AttesterSlashingReceivedData", v.AttesterSlashing)
 		}
+		return func() io.Reader {
+			return jsonMarshalReader(eventName, structs.AttesterSlashingFromConsensus(slashing))
+		}, nil
 	case *operation.ProposerSlashingReceivedData:
 		return func() io.Reader {
 			return jsonMarshalReader(eventName, structs.ProposerSlashingFromConsensus(v.ProposerSlashing))
@@ -573,202 +556,115 @@ func (s *Server) lazyReaderForEvent(ctx context.Context, event *feed.Event, topi
 	}
 }
 
-var errUnsupportedPayloadAttribute = errors.New("cannot compute payload attributes pre-Bellatrix")
-
-func (s *Server) computePayloadAttributes(ctx context.Context, ev payloadattribute.EventData) (payloadattribute.Attributer, error) {
-	v := ev.HeadState.Version()
-	if v < version.Bellatrix {
-		return nil, errors.Wrapf(errUnsupportedPayloadAttribute, "%s is not supported", version.String(v))
+// This event stream is intended to be used by builders and relays.
+// Parent fields are based on state at N_{current_slot}, while the rest of fields are based on state of N_{current_slot + 1}
+func (s *Server) currentPayloadAttributes(ctx context.Context) (lazyReader, error) {
+	headRoot, err := s.HeadFetcher.HeadRoot(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get head root")
+	}
+	st, err := s.HeadFetcher.HeadState(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get head state")
+	}
+	// advance the head state
+	headState, err := transition.ProcessSlotsIfPossible(ctx, st, s.ChainInfoFetcher.CurrentSlot()+1)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not advance head state")
 	}
 
-	t, err := slots.ToTime(ev.HeadState.GenesisTime(), ev.HeadState.Slot())
+	headBlock, err := s.HeadFetcher.HeadBlock(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get head block")
+	}
+
+	headPayload, err := headBlock.Block().Body().Execution()
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get execution payload")
+	}
+
+	t, err := slots.ToTime(headState.GenesisTime(), headState.Slot())
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get head state slot time")
 	}
-	timestamp := uint64(t.Unix())
-	prevRando, err := helpers.RandaoMix(ev.HeadState, chaintime.CurrentEpoch(ev.HeadState))
+
+	prevRando, err := helpers.RandaoMix(headState, chaintime.CurrentEpoch(headState))
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get head state randao mix")
 	}
-	proposerIndex, err := helpers.BeaconProposerIndex(ctx, ev.HeadState)
+
+	proposerIndex, err := helpers.BeaconProposerIndex(ctx, headState)
 	if err != nil {
 		return nil, errors.Wrap(err, "could not get head state proposer index")
 	}
-	feeRecpt := params.BeaconConfig().DefaultFeeRecipient.Bytes()
+	feeRecipient := params.BeaconConfig().DefaultFeeRecipient.Bytes()
 	tValidator, exists := s.TrackedValidatorsCache.Validator(proposerIndex)
 	if exists {
-		feeRecpt = tValidator.FeeRecipient[:]
+		feeRecipient = tValidator.FeeRecipient[:]
+	}
+	var attributes interface{}
+	switch headState.Version() {
+	case version.Bellatrix:
+		attributes = &structs.PayloadAttributesV1{
+			Timestamp:             fmt.Sprintf("%d", t.Unix()),
+			PrevRandao:            hexutil.Encode(prevRando),
+			SuggestedFeeRecipient: hexutil.Encode(feeRecipient),
+		}
+	case version.Capella:
+		withdrawals, _, err := headState.ExpectedWithdrawals()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get head state expected withdrawals")
+		}
+		attributes = &structs.PayloadAttributesV2{
+			Timestamp:             fmt.Sprintf("%d", t.Unix()),
+			PrevRandao:            hexutil.Encode(prevRando),
+			SuggestedFeeRecipient: hexutil.Encode(feeRecipient),
+			Withdrawals:           structs.WithdrawalsFromConsensus(withdrawals),
+		}
+	case version.Deneb, version.Electra:
+		withdrawals, _, err := headState.ExpectedWithdrawals()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get head state expected withdrawals")
+		}
+		parentRoot, err := headBlock.Block().HashTreeRoot()
+		if err != nil {
+			return nil, errors.Wrap(err, "could not get head block root")
+		}
+		attributes = &structs.PayloadAttributesV3{
+			Timestamp:             fmt.Sprintf("%d", t.Unix()),
+			PrevRandao:            hexutil.Encode(prevRando),
+			SuggestedFeeRecipient: hexutil.Encode(feeRecipient),
+			Withdrawals:           structs.WithdrawalsFromConsensus(withdrawals),
+			ParentBeaconBlockRoot: hexutil.Encode(parentRoot[:]),
+		}
+	default:
+		return nil, errors.Wrapf(err, "Payload version %s is not supported", version.String(headState.Version()))
 	}
 
-	if v == version.Bellatrix {
-		return payloadattribute.New(&engine.PayloadAttributes{
-			Timestamp:             timestamp,
-			PrevRandao:            prevRando,
-			SuggestedFeeRecipient: feeRecpt,
-		})
-	}
-
-	w, _, err := ev.HeadState.ExpectedWithdrawals()
+	attributesBytes, err := json.Marshal(attributes)
 	if err != nil {
-		return nil, errors.Wrap(err, "could not get withdrawals from head state")
+		return nil, errors.Wrap(err, "errors marshaling payload attributes to json")
 	}
-	if v == version.Capella {
-		return payloadattribute.New(&engine.PayloadAttributesV2{
-			Timestamp:             timestamp,
-			PrevRandao:            prevRando,
-			SuggestedFeeRecipient: feeRecpt,
-			Withdrawals:           w,
-		})
+	eventData := structs.PayloadAttributesEventData{
+		ProposerIndex:     fmt.Sprintf("%d", proposerIndex),
+		ProposalSlot:      fmt.Sprintf("%d", headState.Slot()),
+		ParentBlockNumber: fmt.Sprintf("%d", headPayload.BlockNumber()),
+		ParentBlockRoot:   hexutil.Encode(headRoot),
+		ParentBlockHash:   hexutil.Encode(headPayload.BlockHash()),
+		PayloadAttributes: attributesBytes,
 	}
-
-	pr, err := ev.HeadBlock.Block().HashTreeRoot()
+	eventDataBytes, err := json.Marshal(eventData)
 	if err != nil {
-		return nil, errors.Wrap(err, "could not compute head block root")
+		return nil, errors.Wrap(err, "errors marshaling payload attributes event data to json")
 	}
-	return payloadattribute.New(&engine.PayloadAttributesV3{
-		Timestamp:             timestamp,
-		PrevRandao:            prevRando,
-		SuggestedFeeRecipient: feeRecpt,
-		Withdrawals:           w,
-		ParentBeaconBlockRoot: pr[:],
-	})
-}
-
-type asyncPayloadAttrData struct {
-	data    json.RawMessage
-	version string
-	err     error
-}
-
-func (s *Server) fillEventData(ctx context.Context, ev payloadattribute.EventData) (payloadattribute.EventData, error) {
-	if ev.HeadBlock == nil || ev.HeadBlock.IsNil() {
-		hb, err := s.HeadFetcher.HeadBlock(ctx)
-		if err != nil {
-			return ev, errors.Wrap(err, "Could not look up head block")
-		}
-		root, err := hb.Block().HashTreeRoot()
-		if err != nil {
-			return ev, errors.Wrap(err, "Could not compute head block root")
-		}
-		if ev.HeadRoot != root {
-			return ev, errors.Wrap(err, "head root changed before payload attribute event handler execution")
-		}
-		ev.HeadBlock = hb
-		payload, err := hb.Block().Body().Execution()
-		if err != nil {
-			return ev, errors.Wrap(err, "Could not get execution payload for head block")
-		}
-		ev.ParentBlockHash = payload.BlockHash()
-		ev.ParentBlockNumber = payload.BlockNumber()
-	}
-
-	attr := ev.Attributer
-	if attr == nil || attr.IsEmpty() {
-		attr, err := s.computePayloadAttributes(ctx, ev)
-		if err != nil {
-			return ev, errors.Wrap(err, "Could not compute payload attributes")
-		}
-		ev.Attributer = attr
-	}
-	return ev, nil
-}
-
-// This event stream is intended to be used by builders and relays.
-// Parent fields are based on state at N_{current_slot}, while the rest of fields are based on state of N_{current_slot + 1}
-func (s *Server) payloadAttributesReader(ctx context.Context, ev payloadattribute.EventData) (lazyReader, error) {
-	ctx, cancel := context.WithTimeout(ctx, payloadAttributeTimeout)
-	edc := make(chan asyncPayloadAttrData)
-	go func() {
-		d := asyncPayloadAttrData{
-			version: version.String(ev.HeadState.Version()),
-		}
-
-		defer func() {
-			edc <- d
-		}()
-		ev, err := s.fillEventData(ctx, ev)
-		if err != nil {
-			d.err = errors.Wrap(err, "Could not fill event data")
-			return
-		}
-		attributesBytes, err := marshalAttributes(ev.Attributer)
-		if err != nil {
-			d.err = errors.Wrap(err, "errors marshaling payload attributes to json")
-			return
-		}
-		d.data, d.err = json.Marshal(structs.PayloadAttributesEventData{
-			ProposerIndex:     strconv.FormatUint(uint64(ev.ProposerIndex), 10),
-			ProposalSlot:      strconv.FormatUint(uint64(ev.ProposalSlot), 10),
-			ParentBlockNumber: strconv.FormatUint(ev.ParentBlockNumber, 10),
-			ParentBlockRoot:   hexutil.Encode(ev.ParentBlockRoot),
-			ParentBlockHash:   hexutil.Encode(ev.ParentBlockHash),
-			PayloadAttributes: attributesBytes,
-		})
-		if d.err != nil {
-			d.err = errors.Wrap(d.err, "errors marshaling payload attributes event data to json")
-		}
-	}()
 	return func() io.Reader {
-		defer cancel()
-		select {
-		case <-ctx.Done():
-			log.WithError(ctx.Err()).Warn("Context canceled while waiting for payload attributes event data")
-			return nil
-		case ed := <-edc:
-			if ed.err != nil {
-				log.WithError(ed.err).Warn("Error while marshaling payload attributes event data")
-				return nil
-			}
-			return jsonMarshalReader(PayloadAttributesTopic, &structs.PayloadAttributesEvent{
-				Version: ed.version,
-				Data:    ed.data,
-			})
-		}
+		return jsonMarshalReader(PayloadAttributesTopic, &structs.PayloadAttributesEvent{
+			Version: version.String(headState.Version()),
+			Data:    eventDataBytes,
+		})
 	}, nil
 }
 
-func marshalAttributes(attr payloadattribute.Attributer) ([]byte, error) {
-	v := attr.Version()
-	if v < version.Bellatrix {
-		return nil, errors.Wrapf(errUnsupportedPayloadAttribute, "Payload version %s is not supported", version.String(v))
-	}
-
-	timestamp := strconv.FormatUint(attr.Timestamp(), 10)
-	prevRandao := hexutil.Encode(attr.PrevRandao())
-	feeRecpt := hexutil.Encode(attr.SuggestedFeeRecipient())
-	if v == version.Bellatrix {
-		return json.Marshal(&structs.PayloadAttributesV1{
-			Timestamp:             timestamp,
-			PrevRandao:            prevRandao,
-			SuggestedFeeRecipient: feeRecpt,
-		})
-	}
-	w, err := attr.Withdrawals()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not get withdrawals from payload attributes event")
-	}
-	withdrawals := structs.WithdrawalsFromConsensus(w)
-	if v == version.Capella {
-		return json.Marshal(&structs.PayloadAttributesV2{
-			Timestamp:             timestamp,
-			PrevRandao:            prevRandao,
-			SuggestedFeeRecipient: feeRecpt,
-			Withdrawals:           withdrawals,
-		})
-	}
-	parentRoot, err := attr.ParentBeaconBlockRoot()
-	if err != nil {
-		return nil, errors.Wrap(err, "could not get parent beacon block root from payload attributes event")
-	}
-	return json.Marshal(&structs.PayloadAttributesV3{
-		Timestamp:             timestamp,
-		PrevRandao:            prevRandao,
-		SuggestedFeeRecipient: feeRecpt,
-		Withdrawals:           withdrawals,
-		ParentBeaconBlockRoot: hexutil.Encode(parentRoot),
-	})
-}
-
 func newStreamingResponseController(rw http.ResponseWriter, timeout time.Duration) *streamingResponseWriterController {
 	rc := http.NewResponseController(rw)
 	return &streamingResponseWriterController{

beacon-chain/rpc/eth/events/events_test.go

@@ -21,7 +21,6 @@ import (
 	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces"
-	payloadattribute "github.com/prysmaticlabs/prysm/v5/consensus-types/payload-attribute"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/eth/v1"
 	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
@@ -490,21 +489,7 @@ func TestStreamEvents_OperationsEvents(t *testing.T) {
 				require.NoError(t, err)
 				request := topics.testHttpRequest(testSync.ctx, t)
 				w := NewStreamingResponseWriterRecorder(testSync.ctx)
-				events := []*feed.Event{
-					&feed.Event{
-						Type: statefeed.PayloadAttributes,
-						Data: payloadattribute.EventData{
-							ProposerIndex:     0,
-							ProposalSlot:      0,
-							ParentBlockNumber: 0,
-							ParentBlockRoot:   make([]byte, 32),
-							ParentBlockHash:   make([]byte, 32),
-							HeadState:         st,
-							HeadBlock:         b,
-							HeadRoot:          [fieldparams.RootLength]byte{},
-						},
-					},
-				}
+				events := []*feed.Event{&feed.Event{Type: statefeed.MissedSlot}}
 
 				go func() {
 					s.StreamEvents(w, request)

beacon-chain/rpc/eth/events/server.go

@@ -12,7 +12,7 @@ import (
 	statefeed "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/feed/state"
 )
 
-// Server defines a server implementation of the http events service,
+// Server defines a server implementation of the gRPC events service,
 // providing RPC endpoints to subscribe to events from the beacon node.
 type Server struct {
 	StateNotifier          statefeed.Notifier

beacon-chain/rpc/eth/node/handlers_peers_test.go

@@ -117,13 +117,13 @@ func TestGetPeers(t *testing.T) {
 
 			switch i {
 			case 0, 1:
-				peerStatus.SetConnectionState(id, peers.Connecting)
+				peerStatus.SetConnectionState(id, peers.PeerConnecting)
 			case 2, 3:
-				peerStatus.SetConnectionState(id, peers.Connected)
+				peerStatus.SetConnectionState(id, peers.PeerConnected)
 			case 4, 5:
-				peerStatus.SetConnectionState(id, peers.Disconnecting)
+				peerStatus.SetConnectionState(id, peers.PeerDisconnecting)
 			case 6, 7:
-				peerStatus.SetConnectionState(id, peers.Disconnected)
+				peerStatus.SetConnectionState(id, peers.PeerDisconnected)
 			default:
 				t.Fatalf("Failed to set connection state for peer")
 			}
@@ -289,13 +289,13 @@ func TestGetPeerCount(t *testing.T) {
 
 		switch i {
 		case 0:
-			peerStatus.SetConnectionState(id, peers.Connecting)
+			peerStatus.SetConnectionState(id, peers.PeerConnecting)
 		case 1, 2:
-			peerStatus.SetConnectionState(id, peers.Connected)
+			peerStatus.SetConnectionState(id, peers.PeerConnected)
 		case 3, 4, 5:
-			peerStatus.SetConnectionState(id, peers.Disconnecting)
+			peerStatus.SetConnectionState(id, peers.PeerDisconnecting)
 		case 6, 7, 8, 9:
-			peerStatus.SetConnectionState(id, peers.Disconnected)
+			peerStatus.SetConnectionState(id, peers.PeerDisconnected)
 		default:
 			t.Fatalf("Failed to set connection state for peer")
 		}

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

@@ -91,15 +91,14 @@ func (s *Server) GetAggregateAttestationV2(w http.ResponseWriter, r *http.Reques
 		return
 	}
 
-	v := slots.ToForkVersion(primitives.Slot(slot))
 	agg := s.aggregatedAttestation(w, primitives.Slot(slot), attDataRoot, primitives.CommitteeIndex(index))
 	if agg == nil {
 		return
 	}
 	resp := &structs.AggregateAttestationResponse{
-		Version: version.String(v),
+		Version: version.String(agg.Version()),
 	}
-	if v >= version.Electra {
+	if agg.Version() >= version.Electra {
 		typedAgg, ok := agg.(*ethpbalpha.AttestationElectra)
 		if !ok {
 			httputil.HandleError(w, fmt.Sprintf("Attestation is not of type %T", &ethpbalpha.AttestationElectra{}), http.StatusInternalServerError)
@@ -124,7 +123,6 @@ func (s *Server) GetAggregateAttestationV2(w http.ResponseWriter, r *http.Reques
 		}
 		resp.Data = data
 	}
-	w.Header().Set(api.VersionHeader, version.String(v))
 	httputil.WriteJson(w, resp)
 }
 
@@ -175,37 +173,27 @@ func matchingAtts(atts []ethpbalpha.Att, slot primitives.Slot, attDataRoot []byt
 		return []ethpbalpha.Att{}, nil
 	}
 
-	postElectra := slots.ToForkVersion(slot) >= version.Electra
+	postElectra := atts[0].Version() >= version.Electra
+
 	result := make([]ethpbalpha.Att, 0)
 	for _, att := range atts {
 		if att.GetData().Slot != slot {
 			continue
 		}
-
 		// We ignore the committee index from the request before Electra.
 		// This is because before Electra the committee index is part of the attestation data,
 		// meaning that comparing the data root is sufficient.
 		// Post-Electra the committee index in the data root is always 0, so we need to
 		// compare the committee index separately.
 		if postElectra {
-			if att.Version() >= version.Electra {
-				ci, err := att.GetCommitteeIndex()
-				if err != nil {
-					return nil, err
-				}
-				if ci != index {
-					continue
-				}
-			} else {
-				continue
+			ci, err := att.GetCommitteeIndex()
+			if err != nil {
+				return nil, err
 			}
-		} else {
-			// If postElectra is false and att.Version >= version.Electra, ignore the attestation.
-			if att.Version() >= version.Electra {
+			if ci != index {
 				continue
 			}
 		}
-
 		root, err := att.GetData().HashTreeRoot()
 		if err != nil {
 			return nil, errors.Wrap(err, "could not get attestation data root")
@@ -773,6 +761,7 @@ func (s *Server) PrepareBeaconProposer(w http.ResponseWriter, r *http.Request) {
 			Active:       true, // TODO: either check or add the field in the request
 			Index:        primitives.ValidatorIndex(validatorIndex),
 			FeeRecipient: feeRecipient,
+			LastUpdated:  time.Now().UTC(),
 		}
 		s.TrackedValidatorsCache.Set(val)
 		validatorIndices = append(validatorIndices, primitives.ValidatorIndex(validatorIndex))

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

@@ -55,33 +55,15 @@ func TestGetAggregateAttestation(t *testing.T) {
 	require.NoError(t, err)
 	sig := key.Sign([]byte("sig"))
 
-	// It is important to use 0 as the index because that's the only way
-	// pre and post-Electra attestations can both match,
-	// which allows us to properly test that attestations from the
-	// wrong fork are ignored.
-	committeeIndex := uint64(0)
-
-	createAttestation := func(slot primitives.Slot, aggregationBits bitfield.Bitlist, root []byte) *ethpbalpha.Attestation {
-		return &ethpbalpha.Attestation{
-			AggregationBits: aggregationBits,
-			Data:            createAttestationData(slot, primitives.CommitteeIndex(committeeIndex), root),
-			Signature:       sig.Marshal(),
-		}
-	}
-
-	createAttestationElectra := func(slot primitives.Slot, aggregationBits bitfield.Bitlist, root []byte) *ethpbalpha.AttestationElectra {
-		committeeBits := bitfield.NewBitvector64()
-		committeeBits.SetBitAt(committeeIndex, true)
-
-		return &ethpbalpha.AttestationElectra{
-			CommitteeBits:   committeeBits,
-			AggregationBits: aggregationBits,
-			Data:            createAttestationData(slot, primitives.CommitteeIndex(committeeIndex), root),
-			Signature:       sig.Marshal(),
-		}
-	}
-
 	t.Run("V1", func(t *testing.T) {
+		createAttestation := func(slot primitives.Slot, aggregationBits bitfield.Bitlist, root []byte) *ethpbalpha.Attestation {
+			return &ethpbalpha.Attestation{
+				AggregationBits: aggregationBits,
+				Data:            createAttestationData(slot, 1, 1, root),
+				Signature:       sig.Marshal(),
+			}
+		}
+
 		aggSlot1_Root1_1 := createAttestation(1, bitfield.Bitlist{0b11100}, root1)
 		aggSlot1_Root1_2 := createAttestation(1, bitfield.Bitlist{0b10111}, root1)
 		aggSlot1_Root2 := createAttestation(1, bitfield.Bitlist{0b11100}, root2)
@@ -102,7 +84,7 @@ func TestGetAggregateAttestation(t *testing.T) {
 			assert.Equal(t, expectedAggregationBits, attestation.AggregationBits, "Unexpected aggregation bits in attestation")
 			assert.Equal(t, hexutil.Encode(expectedSig), attestation.Signature, "Signature mismatch")
 			assert.Equal(t, expectedSlot, attestation.Data.Slot, "Slot mismatch in attestation data")
-			assert.Equal(t, "0", attestation.Data.CommitteeIndex, "Committee index mismatch")
+			assert.Equal(t, "1", attestation.Data.CommitteeIndex, "Committee index mismatch")
 			assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.BeaconBlockRoot, "Beacon block root mismatch")
 
 			// Source checkpoint checks
@@ -224,288 +206,178 @@ func TestGetAggregateAttestation(t *testing.T) {
 		})
 	})
 	t.Run("V2", func(t *testing.T) {
-		t.Run("pre-electra", func(t *testing.T) {
+		createAttestation := func(slot primitives.Slot, aggregationBits bitfield.Bitlist, root []byte, bits uint64) *ethpbalpha.AttestationElectra {
 			committeeBits := bitfield.NewBitvector64()
-			committeeBits.SetBitAt(1, true)
+			committeeBits.SetBitAt(bits, true)
 
-			aggSlot1_Root1_1 := createAttestation(1, bitfield.Bitlist{0b11100}, root1)
-			aggSlot1_Root1_2 := createAttestation(1, bitfield.Bitlist{0b10111}, root1)
-			aggSlot1_Root2 := createAttestation(1, bitfield.Bitlist{0b11100}, root2)
-			aggSlot2 := createAttestation(2, bitfield.Bitlist{0b11100}, root1)
-			unaggSlot3_Root1_1 := createAttestation(3, bitfield.Bitlist{0b11000}, root1)
-			unaggSlot3_Root1_2 := createAttestation(3, bitfield.Bitlist{0b10100}, root1)
-			unaggSlot3_Root2 := createAttestation(3, bitfield.Bitlist{0b11000}, root2)
-			unaggSlot4 := createAttestation(4, bitfield.Bitlist{0b11000}, root1)
-
-			// Add one post-electra attestation to ensure that it is being ignored.
-			// We choose slot 2 where we have one pre-electra attestation with less attestation bits.
-			postElectraAtt := createAttestationElectra(2, bitfield.Bitlist{0b11111}, root1)
-
-			compareResult := func(
-				t *testing.T,
-				attestation structs.Attestation,
-				expectedSlot string,
-				expectedAggregationBits string,
-				expectedRoot []byte,
-				expectedSig []byte,
-			) {
-				assert.Equal(t, expectedAggregationBits, attestation.AggregationBits, "Unexpected aggregation bits in attestation")
-				assert.Equal(t, hexutil.Encode(expectedSig), attestation.Signature, "Signature mismatch")
-				assert.Equal(t, expectedSlot, attestation.Data.Slot, "Slot mismatch in attestation data")
-				assert.Equal(t, "0", attestation.Data.CommitteeIndex, "Committee index mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.BeaconBlockRoot, "Beacon block root mismatch")
-
-				// Source checkpoint checks
-				require.NotNil(t, attestation.Data.Source, "Source checkpoint should not be nil")
-				assert.Equal(t, "1", attestation.Data.Source.Epoch, "Source epoch mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Source.Root, "Source root mismatch")
-
-				// Target checkpoint checks
-				require.NotNil(t, attestation.Data.Target, "Target checkpoint should not be nil")
-				assert.Equal(t, "1", attestation.Data.Target.Epoch, "Target epoch mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Target.Root, "Target root mismatch")
+			return &ethpbalpha.AttestationElectra{
+				CommitteeBits:   committeeBits,
+				AggregationBits: aggregationBits,
+				Data:            createAttestationData(slot, 0, 1, root),
+				Signature:       sig.Marshal(),
 			}
+		}
 
-			pool := attestations.NewPool()
-			require.NoError(t, pool.SaveUnaggregatedAttestations([]ethpbalpha.Att{unaggSlot3_Root1_1, unaggSlot3_Root1_2, unaggSlot3_Root2, unaggSlot4}), "Failed to save unaggregated attestations")
-			unagg, err := pool.UnaggregatedAttestations()
-			require.NoError(t, err)
-			require.Equal(t, 4, len(unagg), "Expected 4 unaggregated attestations")
-			require.NoError(t, pool.SaveAggregatedAttestations([]ethpbalpha.Att{aggSlot1_Root1_1, aggSlot1_Root1_2, aggSlot1_Root2, aggSlot2, postElectraAtt}), "Failed to save aggregated attestations")
-			agg := pool.AggregatedAttestations()
-			require.Equal(t, 5, len(agg), "Expected 5 aggregated attestations, 4 pre electra and 1 post electra")
-			s := &Server{
-				AttestationsPool: pool,
-			}
+		aggSlot1_Root1_1 := createAttestation(1, bitfield.Bitlist{0b11100}, root1, 1)
+		aggSlot1_Root1_2 := createAttestation(1, bitfield.Bitlist{0b10111}, root1, 1)
+		aggSlot1_Root2 := createAttestation(1, bitfield.Bitlist{0b11100}, root2, 1)
+		aggSlot2 := createAttestation(2, bitfield.Bitlist{0b11100}, root1, 1)
+		unaggSlot3_Root1_1 := createAttestation(3, bitfield.Bitlist{0b11000}, root1, 1)
+		unaggSlot3_Root1_2 := createAttestation(3, bitfield.Bitlist{0b10100}, root1, 1)
+		unaggSlot3_Root2 := createAttestation(3, bitfield.Bitlist{0b11000}, root2, 1)
+		unaggSlot4 := createAttestation(4, bitfield.Bitlist{0b11000}, root1, 1)
 
-			t.Run("non-matching attestation request", func(t *testing.T) {
-				reqRoot, err := aggSlot2.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
+		compareResult := func(
+			t *testing.T,
+			attestation structs.AttestationElectra,
+			expectedSlot string,
+			expectedAggregationBits string,
+			expectedRoot []byte,
+			expectedSig []byte,
+			expectedCommitteeBits string,
+		) {
+			assert.Equal(t, expectedAggregationBits, attestation.AggregationBits, "Unexpected aggregation bits in attestation")
+			assert.Equal(t, expectedCommitteeBits, attestation.CommitteeBits)
+			assert.Equal(t, hexutil.Encode(expectedSig), attestation.Signature, "Signature mismatch")
+			assert.Equal(t, expectedSlot, attestation.Data.Slot, "Slot mismatch in attestation data")
+			assert.Equal(t, "0", attestation.Data.CommitteeIndex, "Committee index mismatch")
+			assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.BeaconBlockRoot, "Beacon block root mismatch")
 
-				s.GetAggregateAttestationV2(writer, request)
-				assert.Equal(t, http.StatusNotFound, writer.Code, "Expected HTTP status NotFound for non-matching request")
-			})
-			t.Run("1 matching aggregated attestation", func(t *testing.T) {
-				reqRoot, err := aggSlot2.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=2" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
+			// Source checkpoint checks
+			require.NotNil(t, attestation.Data.Source, "Source checkpoint should not be nil")
+			assert.Equal(t, "1", attestation.Data.Source.Epoch, "Source epoch mismatch")
+			assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Source.Root, "Source root mismatch")
 
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
+			// Target checkpoint checks
+			require.NotNil(t, attestation.Data.Target, "Target checkpoint should not be nil")
+			assert.Equal(t, "1", attestation.Data.Target.Epoch, "Target epoch mismatch")
+			assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Target.Root, "Target root mismatch")
+		}
 
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
+		pool := attestations.NewPool()
+		require.NoError(t, pool.SaveUnaggregatedAttestations([]ethpbalpha.Att{unaggSlot3_Root1_1, unaggSlot3_Root1_2, unaggSlot3_Root2, unaggSlot4}), "Failed to save unaggregated attestations")
+		unagg, err := pool.UnaggregatedAttestations()
+		require.NoError(t, err)
+		require.Equal(t, 4, len(unagg), "Expected 4 unaggregated attestations")
+		require.NoError(t, pool.SaveAggregatedAttestations([]ethpbalpha.Att{aggSlot1_Root1_1, aggSlot1_Root1_2, aggSlot1_Root2, aggSlot2}), "Failed to save aggregated attestations")
+		agg := pool.AggregatedAttestations()
+		require.Equal(t, 4, len(agg), "Expected 4 aggregated attestations")
+		s := &Server{
+			AttestationsPool: pool,
+		}
+		t.Run("non-matching attestation request", func(t *testing.T) {
+			reqRoot, err := aggSlot2.Data.HashTreeRoot()
+			require.NoError(t, err, "Failed to generate attestation data hash tree root")
+			attDataRoot := hexutil.Encode(reqRoot[:])
+			url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=1"
+			request := httptest.NewRequest(http.MethodGet, url, nil)
+			writer := httptest.NewRecorder()
 
-				var attestation structs.Attestation
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-
-				compareResult(t, attestation, "2", hexutil.Encode(aggSlot2.AggregationBits), root1, sig.Marshal())
-			})
-			t.Run("multiple matching aggregated attestations - return the one with most bits", func(t *testing.T) {
-				reqRoot, err := aggSlot1_Root1_1.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
-
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
-
-				var attestation structs.Attestation
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-
-				compareResult(t, attestation, "1", hexutil.Encode(aggSlot1_Root1_2.AggregationBits), root1, sig.Marshal())
-			})
+			s.GetAggregateAttestationV2(writer, request)
+			assert.Equal(t, http.StatusNotFound, writer.Code, "Expected HTTP status NotFound for non-matching request")
 		})
-		t.Run("post-electra", func(t *testing.T) {
-			aggSlot1_Root1_1 := createAttestationElectra(1, bitfield.Bitlist{0b11100}, root1)
-			aggSlot1_Root1_2 := createAttestationElectra(1, bitfield.Bitlist{0b10111}, root1)
-			aggSlot1_Root2 := createAttestationElectra(1, bitfield.Bitlist{0b11100}, root2)
-			aggSlot2 := createAttestationElectra(2, bitfield.Bitlist{0b11100}, root1)
-			unaggSlot3_Root1_1 := createAttestationElectra(3, bitfield.Bitlist{0b11000}, root1)
-			unaggSlot3_Root1_2 := createAttestationElectra(3, bitfield.Bitlist{0b10100}, root1)
-			unaggSlot3_Root2 := createAttestationElectra(3, bitfield.Bitlist{0b11000}, root2)
-			unaggSlot4 := createAttestationElectra(4, bitfield.Bitlist{0b11000}, root1)
+		t.Run("1 matching aggregated attestation", func(t *testing.T) {
+			reqRoot, err := aggSlot2.Data.HashTreeRoot()
+			require.NoError(t, err, "Failed to generate attestation data hash tree root")
+			attDataRoot := hexutil.Encode(reqRoot[:])
+			url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=2" + "&committee_index=1"
+			request := httptest.NewRequest(http.MethodGet, url, nil)
+			writer := httptest.NewRecorder()
 
-			// Add one pre-electra attestation to ensure that it is being ignored.
-			// We choose slot 2 where we have one post-electra attestation with less attestation bits.
-			preElectraAtt := createAttestation(2, bitfield.Bitlist{0b11111}, root1)
+			s.GetAggregateAttestationV2(writer, request)
+			require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
 
-			compareResult := func(
-				t *testing.T,
-				attestation structs.AttestationElectra,
-				expectedSlot string,
-				expectedAggregationBits string,
-				expectedRoot []byte,
-				expectedSig []byte,
-				expectedCommitteeBits string,
-			) {
-				assert.Equal(t, expectedAggregationBits, attestation.AggregationBits, "Unexpected aggregation bits in attestation")
-				assert.Equal(t, expectedCommitteeBits, attestation.CommitteeBits)
-				assert.Equal(t, hexutil.Encode(expectedSig), attestation.Signature, "Signature mismatch")
-				assert.Equal(t, expectedSlot, attestation.Data.Slot, "Slot mismatch in attestation data")
-				assert.Equal(t, "0", attestation.Data.CommitteeIndex, "Committee index mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.BeaconBlockRoot, "Beacon block root mismatch")
+			var resp structs.AggregateAttestationResponse
+			require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
+			require.NotNil(t, resp.Data, "Response data should not be nil")
 
-				// Source checkpoint checks
-				require.NotNil(t, attestation.Data.Source, "Source checkpoint should not be nil")
-				assert.Equal(t, "1", attestation.Data.Source.Epoch, "Source epoch mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Source.Root, "Source root mismatch")
+			var attestation structs.AttestationElectra
+			require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
 
-				// Target checkpoint checks
-				require.NotNil(t, attestation.Data.Target, "Target checkpoint should not be nil")
-				assert.Equal(t, "1", attestation.Data.Target.Epoch, "Target epoch mismatch")
-				assert.Equal(t, hexutil.Encode(expectedRoot), attestation.Data.Target.Root, "Target root mismatch")
-			}
+			compareResult(t, attestation, "2", hexutil.Encode(aggSlot2.AggregationBits), root1, sig.Marshal(), hexutil.Encode(aggSlot2.CommitteeBits))
+		})
+		t.Run("multiple matching aggregated attestations - return the one with most bits", func(t *testing.T) {
+			reqRoot, err := aggSlot1_Root1_1.Data.HashTreeRoot()
+			require.NoError(t, err, "Failed to generate attestation data hash tree root")
+			attDataRoot := hexutil.Encode(reqRoot[:])
+			url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=1"
+			request := httptest.NewRequest(http.MethodGet, url, nil)
+			writer := httptest.NewRecorder()
 
-			pool := attestations.NewPool()
-			require.NoError(t, pool.SaveUnaggregatedAttestations([]ethpbalpha.Att{unaggSlot3_Root1_1, unaggSlot3_Root1_2, unaggSlot3_Root2, unaggSlot4}), "Failed to save unaggregated attestations")
-			unagg, err := pool.UnaggregatedAttestations()
+			s.GetAggregateAttestationV2(writer, request)
+			require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
+
+			var resp structs.AggregateAttestationResponse
+			require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
+			require.NotNil(t, resp.Data, "Response data should not be nil")
+
+			var attestation structs.AttestationElectra
+			require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
+
+			compareResult(t, attestation, "1", hexutil.Encode(aggSlot1_Root1_2.AggregationBits), root1, sig.Marshal(), hexutil.Encode(aggSlot1_Root1_1.CommitteeBits))
+		})
+		t.Run("1 matching unaggregated attestation", func(t *testing.T) {
+			reqRoot, err := unaggSlot4.Data.HashTreeRoot()
+			require.NoError(t, err, "Failed to generate attestation data hash tree root")
+			attDataRoot := hexutil.Encode(reqRoot[:])
+			url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=4" + "&committee_index=1"
+			request := httptest.NewRequest(http.MethodGet, url, nil)
+			writer := httptest.NewRecorder()
+
+			s.GetAggregateAttestationV2(writer, request)
+			require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
+
+			var resp structs.AggregateAttestationResponse
+			require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
+			require.NotNil(t, resp.Data, "Response data should not be nil")
+
+			var attestation structs.AttestationElectra
+			require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
+			compareResult(t, attestation, "4", hexutil.Encode(unaggSlot4.AggregationBits), root1, sig.Marshal(), hexutil.Encode(unaggSlot4.CommitteeBits))
+		})
+		t.Run("multiple matching unaggregated attestations - their aggregate is returned", func(t *testing.T) {
+			reqRoot, err := unaggSlot3_Root1_1.Data.HashTreeRoot()
+			require.NoError(t, err, "Failed to generate attestation data hash tree root")
+			attDataRoot := hexutil.Encode(reqRoot[:])
+			url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=3" + "&committee_index=1"
+			request := httptest.NewRequest(http.MethodGet, url, nil)
+			writer := httptest.NewRecorder()
+
+			s.GetAggregateAttestationV2(writer, request)
+			require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
+
+			var resp structs.AggregateAttestationResponse
+			require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
+			require.NotNil(t, resp.Data, "Response data should not be nil")
+
+			var attestation structs.AttestationElectra
+			require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
+			sig1, err := bls.SignatureFromBytes(unaggSlot3_Root1_1.Signature)
 			require.NoError(t, err)
-			require.Equal(t, 4, len(unagg), "Expected 4 unaggregated attestations")
-			require.NoError(t, pool.SaveAggregatedAttestations([]ethpbalpha.Att{aggSlot1_Root1_1, aggSlot1_Root1_2, aggSlot1_Root2, aggSlot2, preElectraAtt}), "Failed to save aggregated attestations")
-			agg := pool.AggregatedAttestations()
-			require.Equal(t, 5, len(agg), "Expected 5 aggregated attestations, 4 electra and 1 pre electra")
-			bs, err := util.NewBeaconState()
+			sig2, err := bls.SignatureFromBytes(unaggSlot3_Root1_2.Signature)
 			require.NoError(t, err)
-
-			params.SetupTestConfigCleanup(t)
-			config := params.BeaconConfig()
-			config.ElectraForkEpoch = 0
-			params.OverrideBeaconConfig(config)
-
-			chainService := &mockChain.ChainService{State: bs}
-			s := &Server{
-				ChainInfoFetcher: chainService,
-				TimeFetcher:      chainService,
-				AttestationsPool: pool,
-			}
-			t.Run("non-matching attestation request", func(t *testing.T) {
-				reqRoot, err := aggSlot2.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				assert.Equal(t, http.StatusNotFound, writer.Code, "Expected HTTP status NotFound for non-matching request")
-			})
-			t.Run("1 matching aggregated attestation", func(t *testing.T) {
-				reqRoot, err := aggSlot2.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=2" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
-
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
-
-				var attestation structs.AttestationElectra
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-
-				compareResult(t, attestation, "2", hexutil.Encode(aggSlot2.AggregationBits), root1, sig.Marshal(), hexutil.Encode(aggSlot2.CommitteeBits))
-			})
-			t.Run("multiple matching aggregated attestations - return the one with most bits", func(t *testing.T) {
-				reqRoot, err := aggSlot1_Root1_1.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=1" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
-
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
-
-				var attestation structs.AttestationElectra
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-
-				compareResult(t, attestation, "1", hexutil.Encode(aggSlot1_Root1_2.AggregationBits), root1, sig.Marshal(), hexutil.Encode(aggSlot1_Root1_1.CommitteeBits))
-			})
-			t.Run("1 matching unaggregated attestation", func(t *testing.T) {
-				reqRoot, err := unaggSlot4.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=4" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
-
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
-
-				var attestation structs.AttestationElectra
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-				compareResult(t, attestation, "4", hexutil.Encode(unaggSlot4.AggregationBits), root1, sig.Marshal(), hexutil.Encode(unaggSlot4.CommitteeBits))
-			})
-			t.Run("multiple matching unaggregated attestations - their aggregate is returned", func(t *testing.T) {
-				reqRoot, err := unaggSlot3_Root1_1.Data.HashTreeRoot()
-				require.NoError(t, err, "Failed to generate attestation data hash tree root")
-				attDataRoot := hexutil.Encode(reqRoot[:])
-				url := "http://example.com?attestation_data_root=" + attDataRoot + "&slot=3" + "&committee_index=0"
-				request := httptest.NewRequest(http.MethodGet, url, nil)
-				writer := httptest.NewRecorder()
-
-				s.GetAggregateAttestationV2(writer, request)
-				require.Equal(t, http.StatusOK, writer.Code, "Expected HTTP status OK")
-
-				var resp structs.AggregateAttestationResponse
-				require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp), "Failed to unmarshal response")
-				require.NotNil(t, resp.Data, "Response data should not be nil")
-
-				var attestation structs.AttestationElectra
-				require.NoError(t, json.Unmarshal(resp.Data, &attestation), "Failed to unmarshal attestation data")
-				sig1, err := bls.SignatureFromBytes(unaggSlot3_Root1_1.Signature)
-				require.NoError(t, err)
-				sig2, err := bls.SignatureFromBytes(unaggSlot3_Root1_2.Signature)
-				require.NoError(t, err)
-				expectedSig := bls.AggregateSignatures([]common.Signature{sig1, sig2})
-				compareResult(t, attestation, "3", hexutil.Encode(bitfield.Bitlist{0b11100}), root1, expectedSig.Marshal(), hexutil.Encode(unaggSlot3_Root1_1.CommitteeBits))
-			})
-			t.Run("pre-electra attestation is ignored", func(t *testing.T) {
-
-			})
+			expectedSig := bls.AggregateSignatures([]common.Signature{sig1, sig2})
+			compareResult(t, attestation, "3", hexutil.Encode(bitfield.Bitlist{0b11100}), root1, expectedSig.Marshal(), hexutil.Encode(unaggSlot3_Root1_1.CommitteeBits))
 		})
 	})
-
 }
 
-func createAttestationData(slot primitives.Slot, committeeIndex primitives.CommitteeIndex, root []byte) *ethpbalpha.AttestationData {
+func createAttestationData(
+	slot primitives.Slot,
+	committeeIndex primitives.CommitteeIndex,
+	epoch primitives.Epoch,
+	root []byte,
+) *ethpbalpha.AttestationData {
 	return &ethpbalpha.AttestationData{
 		Slot:            slot,
 		CommitteeIndex:  committeeIndex,
 		BeaconBlockRoot: root,
 		Source: &ethpbalpha.Checkpoint{
-			Epoch: 1,
+			Epoch: epoch,
 			Root:  root,
 		},
 		Target: &ethpbalpha.Checkpoint{
-			Epoch: 1,
+			Epoch: epoch,
 			Root:  root,
 		},
 	}

beacon-chain/rpc/metrics.go

@@ -1,31 +0,0 @@
-package rpc
-
-import (
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promauto"
-)
-
-var (
-	httpRequestLatency = promauto.NewHistogramVec(
-		prometheus.HistogramOpts{
-			Name:    "http_request_latency_seconds",
-			Help:    "Latency of HTTP requests in seconds",
-			Buckets: []float64{0.001, 0.01, 0.025, 0.1, 0.25, 1, 2.5, 10},
-		},
-		[]string{"endpoint", "code", "method"},
-	)
-	httpRequestCount = promauto.NewCounterVec(
-		prometheus.CounterOpts{
-			Name: "http_request_count",
-			Help: "Number of HTTP requests",
-		},
-		[]string{"endpoint", "code", "method"},
-	)
-	httpErrorCount = promauto.NewCounterVec(
-		prometheus.CounterOpts{
-			Name: "http_error_count",
-			Help: "Total HTTP errors for beacon node requests",
-		},
-		[]string{"endpoint", "code", "method"},
-	)
-)

beacon-chain/rpc/prysm/node/handlers_test.go

@@ -25,8 +25,8 @@ import (
 
 type testIdentity enode.ID
 
-func (testIdentity) Verify(*enr.Record, []byte) error { return nil }
-func (id testIdentity) NodeAddr(*enr.Record) []byte   { return id[:] }
+func (_ testIdentity) Verify(_ *enr.Record, _ []byte) error { return nil }
+func (id testIdentity) NodeAddr(_ *enr.Record) []byte       { return id[:] }
 
 func TestListTrustedPeer(t *testing.T) {
 	ids := libp2ptest.GeneratePeerIDs(9)
@@ -62,13 +62,13 @@ func TestListTrustedPeer(t *testing.T) {
 
 		switch i {
 		case 0, 1:
-			peerStatus.SetConnectionState(id, peers.Connecting)
+			peerStatus.SetConnectionState(id, peers.PeerConnecting)
 		case 2, 3:
-			peerStatus.SetConnectionState(id, peers.Connected)
+			peerStatus.SetConnectionState(id, peers.PeerConnected)
 		case 4, 5:
-			peerStatus.SetConnectionState(id, peers.Disconnecting)
+			peerStatus.SetConnectionState(id, peers.PeerDisconnecting)
 		case 6, 7:
-			peerStatus.SetConnectionState(id, peers.Disconnected)
+			peerStatus.SetConnectionState(id, peers.PeerDisconnected)
 		default:
 			t.Fatalf("Failed to set connection state for peer")
 		}

beacon-chain/rpc/prysm/v1alpha1/beacon/attestations.go

@@ -303,7 +303,7 @@ func (bs *Server) ListIndexedAttestationsElectra(
 // that it was included in a block. The attestation may have expired.
 // Refer to the ethereum consensus specification for more details on how
 // attestations are processed and when they are no longer valid.
-// https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#attestations
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/core/0_beacon-chain.md#attestations
 func (bs *Server) AttestationPool(_ context.Context, req *ethpb.AttestationPoolRequest) (*ethpb.AttestationPoolResponse, error) {
 	atts, err := attestationsFromPool[*ethpb.Attestation](req.PageSize, bs.AttestationsPool)
 	if err != nil {

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

@@ -33,6 +33,7 @@ go_library(
     importpath = "github.com/prysmaticlabs/prysm/v5/beacon-chain/rpc/prysm/v1alpha1/validator",
     visibility = ["//beacon-chain:__subpackages__"],
     deps = [
+        "//api:go_default_library",
         "//api/client/builder:go_default_library",
         "//async/event:go_default_library",
         "//beacon-chain/blockchain:go_default_library",
@@ -212,9 +213,7 @@ go_test(
     embed = [":go_default_library"],
     eth_network = "minimal",
     tags = ["minimal"],
-    deps = common_deps + [
-        "//beacon-chain/operations/attestations/mock:go_default_library",
-    ],
+    deps = common_deps,
 )
 
 go_test(

beacon-chain/rpc/prysm/v1alpha1/validator/proposer.go

@@ -339,7 +339,7 @@ func (vs *Server) handleBlindedBlock(ctx context.Context, block interfaces.Signe
 
 	sidecars, err := unblindBlobsSidecars(copiedBlock, bundle)
 	if err != nil {
-		return nil, nil, errors.Wrap(err, "unblind blobs sidecars: commitment value doesn't match block")
+		return nil, nil, errors.Wrap(err, "unblind sidecars failed")
 	}
 
 	return copiedBlock, sidecars, nil

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_attestations.go

@@ -91,7 +91,14 @@ func (vs *Server) packAttestations(ctx context.Context, latestState state.Beacon
 
 	var attsForInclusion proposerAtts
 	if postElectra {
-		attsForInclusion, err = onChainAggregates(attsById)
+		// TODO: hack for Electra devnet-1, take only one aggregate per ID
+		// (which essentially means one aggregate for an attestation_data+committee combination
+		topAggregates := make([]ethpb.Att, 0)
+		for _, v := range attsById {
+			topAggregates = append(topAggregates, v[0])
+		}
+
+		attsForInclusion, err = computeOnChainAggregate(topAggregates)
 		if err != nil {
 			return nil, err
 		}
@@ -106,68 +113,14 @@ func (vs *Server) packAttestations(ctx context.Context, latestState state.Beacon
 	if err != nil {
 		return nil, err
 	}
-
-	var sorted proposerAtts
-	if postElectra {
-		sorted, err = deduped.sortOnChainAggregates()
-		if err != nil {
-			return nil, err
-		}
-	} else {
-		sorted, err = deduped.sort()
-		if err != nil {
-			return nil, err
-		}
+	sorted, err := deduped.sort()
+	if err != nil {
+		return nil, err
 	}
-
 	atts = sorted.limitToMaxAttestations()
 	return vs.filterAttestationBySignature(ctx, atts, latestState)
 }
 
-func onChainAggregates(attsById map[attestation.Id][]ethpb.Att) (proposerAtts, error) {
-	var result proposerAtts
-	var err error
-
-	// When constructing on-chain aggregates, we want to combine the most profitable
-	// aggregate for each ID, then the second most profitable, and so on and so forth.
-	// Because of this we sort attestations at the beginning.
-	for id, as := range attsById {
-		attsById[id], err = proposerAtts(as).sort()
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	// We construct the first on-chain aggregate by taking the first aggregate for each ID.
-	// We construct the second on-chain aggregate by taking the second aggregate for each ID.
-	// We continue doing this until we run out of aggregates.
-	idx := 0
-	for {
-		topAggregates := make([]ethpb.Att, 0, len(attsById))
-		for _, as := range attsById {
-			// In case there are no more aggregates for an ID, we skip that ID.
-			if len(as) > idx {
-				topAggregates = append(topAggregates, as[idx])
-			}
-		}
-
-		// Once there are no more aggregates for any ID, we are done.
-		if len(topAggregates) == 0 {
-			break
-		}
-
-		onChainAggs, err := computeOnChainAggregate(topAggregates)
-		if err != nil {
-			return nil, err
-		}
-		result = append(result, onChainAggs...)
-
-		idx++
-	}
-
-	return result, nil
-}
-
 // filter separates attestation list into two groups: valid and invalid attestations.
 // The first group passes the all the required checks for attestation to be considered for proposing.
 // And attestations from the second group should be deleted.
@@ -270,14 +223,6 @@ func (a proposerAtts) sort() (proposerAtts, error) {
 	return a.sortBySlotAndCommittee()
 }
 
-func (a proposerAtts) sortOnChainAggregates() (proposerAtts, error) {
-	if len(a) < 2 {
-		return a, nil
-	}
-
-	return a.sortByProfitabilityUsingMaxCover()
-}
-
 // Separate attestations by slot, as slot number takes higher precedence when sorting.
 // Also separate by committee index because maxcover will prefer attestations for the same
 // committee with disjoint bits over attestations for different committees with overlapping
@@ -286,6 +231,7 @@ func (a proposerAtts) sortBySlotAndCommittee() (proposerAtts, error) {
 	type slotAtts struct {
 		candidates map[primitives.CommitteeIndex]proposerAtts
 		selected   map[primitives.CommitteeIndex]proposerAtts
+		leftover   map[primitives.CommitteeIndex]proposerAtts
 	}
 
 	var slots []primitives.Slot
@@ -304,6 +250,7 @@ func (a proposerAtts) sortBySlotAndCommittee() (proposerAtts, error) {
 	var err error
 	for _, sa := range attsBySlot {
 		sa.selected = make(map[primitives.CommitteeIndex]proposerAtts)
+		sa.leftover = make(map[primitives.CommitteeIndex]proposerAtts)
 		for ci, committeeAtts := range sa.candidates {
 			sa.selected[ci], err = committeeAtts.sortByProfitabilityUsingMaxCover_committeeAwarePacking()
 			if err != nil {
@@ -319,6 +266,9 @@ func (a proposerAtts) sortBySlotAndCommittee() (proposerAtts, error) {
 	for _, slot := range slots {
 		sortedAtts = append(sortedAtts, sortSlotAttestations(attsBySlot[slot].selected)...)
 	}
+	for _, slot := range slots {
+		sortedAtts = append(sortedAtts, sortSlotAttestations(attsBySlot[slot].leftover)...)
+	}
 
 	return sortedAtts, nil
 }
@@ -337,11 +287,15 @@ func (a proposerAtts) sortByProfitabilityUsingMaxCover_committeeAwarePacking() (
 			return nil, err
 		}
 	}
+	// Add selected candidates on top, those that are not selected - append at bottom.
 	selectedKeys, _, err := aggregation.MaxCover(candidates, len(candidates), true /* allowOverlaps */)
 	if err != nil {
 		log.WithError(err).Debug("MaxCover aggregation failed")
 		return a, nil
 	}
+
+	// Pick selected attestations first, leftover attestations will be appended at the end.
+	// Both lists will be sorted by number of bits set.
 	selected := make(proposerAtts, selectedKeys.Count())
 	for i, key := range selectedKeys.BitIndices() {
 		selected[i] = a[key]

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_attestations_electra.go

@@ -13,9 +13,6 @@ import (
 // computeOnChainAggregate constructs a final aggregate form a list of network aggregates with equal attestation data.
 // It assumes that each network aggregate has exactly one committee bit set.
 //
-// Our implementation allows to pass aggregates for different attestation data, in which case the function will return
-// one final aggregate per attestation data.
-//
 // Spec definition:
 //
 //	def compute_on_chain_aggregate(network_aggregates: Sequence[Attestation]) -> Attestation:

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_attestations_test.go

@@ -3,21 +3,16 @@ package validator
 import (
 	"bytes"
 	"context"
-	"math/rand"
 	"sort"
-	"strconv"
 	"testing"
 
 	"github.com/prysmaticlabs/go-bitfield"
 	chainMock "github.com/prysmaticlabs/prysm/v5/beacon-chain/blockchain/testing"
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/operations/attestations"
-	"github.com/prysmaticlabs/prysm/v5/beacon-chain/operations/attestations/mock"
 	"github.com/prysmaticlabs/prysm/v5/config/features"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/crypto/bls/blst"
-	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
 	ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v5/testing/assert"
 	"github.com/prysmaticlabs/prysm/v5/testing/require"
@@ -685,212 +680,6 @@ func Test_packAttestations(t *testing.T) {
 	})
 }
 
-func Test_packAttestations_ElectraOnChainAggregates(t *testing.T) {
-	ctx := context.Background()
-
-	params.SetupTestConfigCleanup(t)
-	cfg := params.BeaconConfig().Copy()
-	cfg.ElectraForkEpoch = 1
-	params.OverrideBeaconConfig(cfg)
-
-	key, err := blst.RandKey()
-	require.NoError(t, err)
-	sig := key.Sign([]byte{'X'})
-
-	cb0 := primitives.NewAttestationCommitteeBits()
-	cb0.SetBitAt(0, true)
-	cb1 := primitives.NewAttestationCommitteeBits()
-	cb1.SetBitAt(1, true)
-
-	data0 := util.HydrateAttestationData(&ethpb.AttestationData{BeaconBlockRoot: bytesutil.PadTo([]byte{'0'}, 32)})
-	data1 := util.HydrateAttestationData(&ethpb.AttestationData{BeaconBlockRoot: bytesutil.PadTo([]byte{'1'}, 32)})
-
-	// Glossary:
-	// - Single Aggregate: aggregate with exactly one committee bit set, from which an On-Chain Aggregate is constructed
-	// - On-Chain Aggregate: final aggregate packed into a block
-	//
-	// We construct the following number of single aggregates:
-	// - data_root_0 and committee_index_0: 3 single aggregates
-	// - data_root_0 and committee_index_1: 2 single aggregates
-	// - data_root_1 and committee_index_0: 1 single aggregate
-	// - data_root_1 and committee_index_1: 3 single aggregates
-	//
-	// Because the function tries to aggregate attestations, we have to create attestations which are not aggregatable
-	// and are not redundant when using MaxCover.
-	// The function should also sort attestation by ID before computing the On-Chain Aggregate, so we want unsorted aggregation bits
-	// to test the sorting part.
-	//
-	// The result should be the following six on-chain aggregates:
-	// - for data_root_0 combining the most profitable aggregate for each committee
-	// - for data_root_0 combining the second most profitable aggregate for each committee
-	// - for data_root_0 constructed from the single aggregate at index 2 for committee_index_0
-	// - for data_root_1 combining the most profitable aggregate for each committee
-	// - for data_root_1 constructed from the single aggregate at index 1 for committee_index_1
-	// - for data_root_1 constructed from the single aggregate at index 2 for committee_index_1
-
-	d0_c0_a1 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1000011},
-		CommitteeBits:   cb0,
-		Data:            data0,
-		Signature:       sig.Marshal(),
-	}
-	d0_c0_a2 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1100101},
-		CommitteeBits:   cb0,
-		Data:            data0,
-		Signature:       sig.Marshal(),
-	}
-	d0_c0_a3 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1111000},
-		CommitteeBits:   cb0,
-		Data:            data0,
-		Signature:       sig.Marshal(),
-	}
-	d0_c1_a1 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1111100},
-		CommitteeBits:   cb1,
-		Data:            data0,
-		Signature:       sig.Marshal(),
-	}
-	d0_c1_a2 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1001111},
-		CommitteeBits:   cb1,
-		Data:            data0,
-		Signature:       sig.Marshal(),
-	}
-	d1_c0_a1 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1111111},
-		CommitteeBits:   cb0,
-		Data:            data1,
-		Signature:       sig.Marshal(),
-	}
-	d1_c1_a1 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1000011},
-		CommitteeBits:   cb1,
-		Data:            data1,
-		Signature:       sig.Marshal(),
-	}
-	d1_c1_a2 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1100101},
-		CommitteeBits:   cb1,
-		Data:            data1,
-		Signature:       sig.Marshal(),
-	}
-	d1_c1_a3 := &ethpb.AttestationElectra{
-		AggregationBits: bitfield.Bitlist{0b1111000},
-		CommitteeBits:   cb1,
-		Data:            data1,
-		Signature:       sig.Marshal(),
-	}
-
-	pool := &mock.PoolMock{}
-	require.NoError(t, pool.SaveAggregatedAttestations([]ethpb.Att{d0_c0_a1, d0_c0_a2, d0_c0_a3, d0_c1_a1, d0_c1_a2, d1_c0_a1, d1_c1_a1, d1_c1_a2, d1_c1_a3}))
-	slot := primitives.Slot(1)
-	s := &Server{AttPool: pool, HeadFetcher: &chainMock.ChainService{}, TimeFetcher: &chainMock.ChainService{Slot: &slot}}
-
-	// We need the correct number of validators so that there are at least 2 committees per slot
-	// and each committee has exactly 6 validators (this is because we have 6 aggregation bits).
-	st, _ := util.DeterministicGenesisStateElectra(t, 192)
-
-	require.NoError(t, st.SetSlot(params.BeaconConfig().SlotsPerEpoch+1))
-
-	atts, err := s.packAttestations(ctx, st, params.BeaconConfig().SlotsPerEpoch)
-	require.NoError(t, err)
-	require.Equal(t, 6, len(atts))
-	assert.Equal(t, true,
-		atts[0].GetAggregationBits().Count() >= atts[1].GetAggregationBits().Count() &&
-			atts[1].GetAggregationBits().Count() >= atts[2].GetAggregationBits().Count() &&
-			atts[2].GetAggregationBits().Count() >= atts[3].GetAggregationBits().Count() &&
-			atts[3].GetAggregationBits().Count() >= atts[4].GetAggregationBits().Count() &&
-			atts[4].GetAggregationBits().Count() >= atts[5].GetAggregationBits().Count(),
-		"on-chain aggregates are not sorted by aggregation bit count",
-	)
-
-	t.Run("slot takes precedence", func(t *testing.T) {
-		moreRecentAtt := &ethpb.AttestationElectra{
-			AggregationBits: bitfield.Bitlist{0b1100000}, // we set only one bit for committee_index_0
-			CommitteeBits:   cb1,
-			Data:            util.HydrateAttestationData(&ethpb.AttestationData{Slot: 1, BeaconBlockRoot: bytesutil.PadTo([]byte{'0'}, 32)}),
-			Signature:       sig.Marshal(),
-		}
-		require.NoError(t, pool.SaveUnaggregatedAttestations([]ethpb.Att{moreRecentAtt}))
-		atts, err = s.packAttestations(ctx, st, params.BeaconConfig().SlotsPerEpoch)
-		require.NoError(t, err)
-		require.Equal(t, 7, len(atts))
-		assert.Equal(t, true, atts[0].GetData().Slot == 1)
-	})
-}
-
-func Benchmark_packAttestations_Electra(b *testing.B) {
-	ctx := context.Background()
-
-	params.SetupTestConfigCleanup(b)
-	cfg := params.MainnetConfig().Copy()
-	cfg.ElectraForkEpoch = 1
-	params.OverrideBeaconConfig(cfg)
-
-	valCount := uint64(1048576)
-	committeeCount := helpers.SlotCommitteeCount(valCount)
-	valsPerCommittee := valCount / committeeCount / uint64(params.BeaconConfig().SlotsPerEpoch)
-
-	st, _ := util.DeterministicGenesisStateElectra(b, valCount)
-
-	key, err := blst.RandKey()
-	require.NoError(b, err)
-	sig := key.Sign([]byte{'X'})
-
-	r := rand.New(rand.NewSource(123))
-
-	var atts []ethpb.Att
-	for c := uint64(0); c < committeeCount; c++ {
-		for a := uint64(0); a < params.BeaconConfig().TargetAggregatorsPerCommittee; a++ {
-			cb := primitives.NewAttestationCommitteeBits()
-			cb.SetBitAt(c, true)
-
-			var att *ethpb.AttestationElectra
-			// Last two aggregators send aggregates for some random block root with only a few bits set.
-			if a >= params.BeaconConfig().TargetAggregatorsPerCommittee-2 {
-				root := bytesutil.PadTo([]byte("root_"+strconv.Itoa(r.Intn(100))), 32)
-				att = &ethpb.AttestationElectra{
-					Data:            util.HydrateAttestationData(&ethpb.AttestationData{Slot: params.BeaconConfig().SlotsPerEpoch - 1, BeaconBlockRoot: root}),
-					AggregationBits: bitfield.NewBitlist(valsPerCommittee),
-					CommitteeBits:   cb,
-					Signature:       sig.Marshal(),
-				}
-				for bit := uint64(0); bit < valsPerCommittee; bit++ {
-					att.AggregationBits.SetBitAt(bit, r.Intn(100) < 2) // 2% that the bit is set
-				}
-			} else {
-				att = &ethpb.AttestationElectra{
-					Data:            util.HydrateAttestationData(&ethpb.AttestationData{Slot: params.BeaconConfig().SlotsPerEpoch - 1, BeaconBlockRoot: bytesutil.PadTo([]byte("root"), 32)}),
-					AggregationBits: bitfield.NewBitlist(valsPerCommittee),
-					CommitteeBits:   cb,
-					Signature:       sig.Marshal(),
-				}
-				for bit := uint64(0); bit < valsPerCommittee; bit++ {
-					att.AggregationBits.SetBitAt(bit, r.Intn(100) < 98) // 98% that the bit is set
-				}
-			}
-
-			atts = append(atts, att)
-		}
-	}
-
-	pool := &mock.PoolMock{}
-	require.NoError(b, pool.SaveAggregatedAttestations(atts))
-
-	slot := primitives.Slot(1)
-	s := &Server{AttPool: pool, HeadFetcher: &chainMock.ChainService{}, TimeFetcher: &chainMock.ChainService{Slot: &slot}}
-
-	require.NoError(b, st.SetSlot(params.BeaconConfig().SlotsPerEpoch))
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		_, err = s.packAttestations(ctx, st, params.BeaconConfig().SlotsPerEpoch+1)
-		require.NoError(b, err)
-	}
-}
-
 func Test_limitToMaxAttestations(t *testing.T) {
 	t.Run("Phase 0", func(t *testing.T) {
 		atts := make([]ethpb.Att, params.BeaconConfig().MaxAttestations+1)

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_eth1data.go

@@ -54,7 +54,7 @@ func (vs *Server) eth1DataMajorityVote(ctx context.Context, beaconState state.Be
 	// by ETH1_FOLLOW_DISTANCE. The head state should maintain the same ETH1Data until this condition has passed, so
 	// trust the existing head for the right eth1 vote until we can get a meaningful value from the deposit contract.
 	if latestValidTime < genesisTime+followDistanceSeconds {
-		log.WithField("genesisTime", genesisTime).WithField("latestValidTime", latestValidTime).Warn("Voting period before genesis + follow distance, using eth1data from head")
+		log.WithField("genesisTime", genesisTime).WithField("latestValidTime", latestValidTime).Warn("voting period before genesis + follow distance, using eth1data from head")
 		return vs.HeadFetcher.HeadETH1Data(), nil
 	}
 

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_execution_payload.go

@@ -84,6 +84,7 @@ func (vs *Server) getLocalPayloadFromEngine(
 	}
 	setFeeRecipientIfBurnAddress(&val)
 
+	var err error
 	if ok && payloadId != [8]byte{} {
 		// Payload ID is cache hit. Return the cached payload ID.
 		var pid primitives.PayloadID
@@ -101,7 +102,7 @@ func (vs *Server) getLocalPayloadFromEngine(
 			return nil, errors.Wrap(err, "could not get cached payload from execution client")
 		}
 	}
-	log.WithFields(logFields).Debug("Payload ID cache miss")
+	log.WithFields(logFields).Debug("payload ID cache miss")
 	parentHash, err := vs.getParentBlockHash(ctx, st, slot)
 	switch {
 	case errors.Is(err, errActivationNotReached) || errors.Is(err, errNoTerminalBlockHash):
@@ -190,7 +191,7 @@ func (vs *Server) getLocalPayloadFromEngine(
 	}
 
 	warnIfFeeRecipientDiffers(val.FeeRecipient[:], res.ExecutionData.FeeRecipient())
-	log.WithField("value", res.Bid).Debug("Received execution payload from local engine")
+	log.WithField("value", res.Bid).Debug("received execution payload from local engine")
 	return res, nil
 }
 

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_test.go

@@ -912,7 +912,7 @@ func TestProposer_ProposeBlock_OK(t *testing.T) {
 				return &ethpb.GenericSignedBeaconBlock{Block: blk}
 			},
 			useBuilder: true,
-			err:        "unblind blobs sidecars: commitment value doesn't match block",
+			err:        "unblind sidecars failed: commitment value doesn't match block",
 		},
 		{
 			name: "electra block no blob",

beacon-chain/rpc/service.go

@@ -14,6 +14,8 @@ import (
 	grpcopentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
 	grpcprometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
 	"github.com/pkg/errors"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/blockchain"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/builder"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/cache"
@@ -55,6 +57,24 @@ import (
 
 const attestationBufferSize = 100
 
+var (
+	httpRequestLatency = promauto.NewHistogramVec(
+		prometheus.HistogramOpts{
+			Name:    "http_request_latency_seconds",
+			Help:    "Latency of HTTP requests in seconds",
+			Buckets: []float64{0.001, 0.01, 0.025, 0.1, 0.25, 1, 2.5, 10},
+		},
+		[]string{"endpoint", "code", "method"},
+	)
+	httpRequestCount = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: "http_request_count",
+			Help: "Number of HTTP requests",
+		},
+		[]string{"endpoint", "code", "method"},
+	)
+)
+
 // Service defining an RPC server for a beacon node.
 type Service struct {
 	cfg                  *Config

beacon-chain/slasher/helpers.go

@@ -97,7 +97,10 @@ func (s *Service) filterAttestations(
 // detection (except for the genesis epoch).
 func validateAttestationIntegrity(att ethpb.IndexedAtt) bool {
 	// If an attestation is malformed, we drop it.
-	if att == nil || att.IsNil() || att.GetData().Source == nil || att.GetData().Target == nil {
+	if att == nil ||
+		att.GetData() == nil ||
+		att.GetData().Source == nil ||
+		att.GetData().Target == nil {
 		return false
 	}
 

beacon-chain/sync/backfill/blobs.go

@@ -107,7 +107,7 @@ type blobBatchVerifier struct {
 
 func (bbv *blobBatchVerifier) newVerifier(rb blocks.ROBlob) verification.BlobVerifier {
 	m := bbv.verifiers[rb.BlockRoot()]
-	m[rb.Index] = bbv.newBlobVerifier(rb, verification.BackfillBlobSidecarRequirements)
+	m[rb.Index] = bbv.newBlobVerifier(rb, verification.BackfillSidecarRequirements)
 	bbv.verifiers[rb.BlockRoot()] = m
 	return m[rb.Index]
 }

beacon-chain/sync/checkpoint/BUILD.bazel

@@ -10,7 +10,6 @@ go_library(
     importpath = "github.com/prysmaticlabs/prysm/v5/beacon-chain/sync/checkpoint",
     visibility = ["//visibility:public"],
     deps = [
-        "//api/client:go_default_library",
         "//api/client/beacon:go_default_library",
         "//beacon-chain/db:go_default_library",
         "//config/params:go_default_library",

beacon-chain/sync/checkpoint/api.go

@@ -4,14 +4,11 @@ import (
 	"context"
 
 	"github.com/pkg/errors"
-	"github.com/prysmaticlabs/prysm/v5/api/client"
 	"github.com/prysmaticlabs/prysm/v5/api/client/beacon"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/db"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 )
 
-const stateSizeLimit int64 = 1 << 29 // 512MB
-
 // APIInitializer manages initializing the beacon node using checkpoint sync, retrieving the checkpoint state and root
 // from the remote beacon node api.
 type APIInitializer struct {
@@ -21,7 +18,7 @@ type APIInitializer struct {
 // NewAPIInitializer creates an APIInitializer, handling the set up of a beacon node api client
 // using the provided host string.
 func NewAPIInitializer(beaconNodeHost string) (*APIInitializer, error) {
-	c, err := beacon.NewClient(beaconNodeHost, client.WithMaxBodySize(stateSizeLimit))
+	c, err := beacon.NewClient(beaconNodeHost)
 	if err != nil {
 		return nil, errors.Wrapf(err, "unable to parse beacon node url or hostname - %s", beaconNodeHost)
 	}
@@ -35,9 +32,10 @@ func (dl *APIInitializer) Initialize(ctx context.Context, d db.Database) error {
 	if err == nil && origin != params.BeaconConfig().ZeroHash {
 		log.Warnf("Origin checkpoint root %#x found in db, ignoring checkpoint sync flags", origin)
 		return nil
-	}
-	if err != nil && !errors.Is(err, db.ErrNotFound) {
-		return errors.Wrap(err, "error while checking database for origin root")
+	} else {
+		if !errors.Is(err, db.ErrNotFound) {
+			return errors.Wrap(err, "error while checking database for origin root")
+		}
 	}
 	od, err := beacon.DownloadFinalizedData(ctx, dl.c)
 	if err != nil {

beacon-chain/sync/fork_watcher_test.go

@@ -388,7 +388,6 @@ func TestService_CheckForPreviousEpochFork(t *testing.T) {
 	}
 }
 
-// oneEpoch returns the duration of one epoch.
 func oneEpoch() time.Duration {
 	return time.Duration(params.BeaconConfig().SlotsPerEpoch.Mul(params.BeaconConfig().SecondsPerSlot)) * time.Second
 }

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

@@ -1094,7 +1094,7 @@ func TestBlocksQueue_stuckInUnfavourableFork(t *testing.T) {
 		// its claims with actual blocks.
 		emptyPeer := connectPeerHavingBlocks(t, p2p, chain1, finalizedSlot, p2p.Peers())
 		defer func() {
-			p2p.Peers().SetConnectionState(emptyPeer, peers.Disconnected)
+			p2p.Peers().SetConnectionState(emptyPeer, peers.PeerDisconnected)
 		}()
 		chainState, err := p2p.Peers().ChainState(emptyPeer)
 		require.NoError(t, err)
@@ -1291,7 +1291,7 @@ func TestBlocksQueue_stuckWhenHeadIsSetToOrphanedBlock(t *testing.T) {
 	// Connect peer that has all the blocks available.
 	allBlocksPeer := connectPeerHavingBlocks(t, p2p, chain, finalizedSlot, p2p.Peers())
 	defer func() {
-		p2p.Peers().SetConnectionState(allBlocksPeer, peers.Disconnected)
+		p2p.Peers().SetConnectionState(allBlocksPeer, peers.PeerDisconnected)
 	}()
 
 	// Queue should be able to fetch whole chain (including slot which comes before the currently set head).