Quick and dirty earliest_available_slot implementation (networking only).

This was cherry picked from PR #15364
and edited to remove the minimal cases

BUILD.bazel

@@ -194,7 +194,6 @@ nogo(
         "//tools/analyzers/gocognit:go_default_library",
         "//tools/analyzers/ineffassign:go_default_library",
         "//tools/analyzers/interfacechecker:go_default_library",
-        "//tools/analyzers/logcapitalization:go_default_library",
         "//tools/analyzers/logruswitherror:go_default_library",
         "//tools/analyzers/maligned:go_default_library",
         "//tools/analyzers/nop:go_default_library",

api/apiutil/BUILD.bazel

@@ -2,28 +2,18 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
-    srcs = [
-        "common.go",
-        "header.go",
-    ],
+    srcs = ["common.go"],
     importpath = "github.com/OffchainLabs/prysm/v6/api/apiutil",
     visibility = ["//visibility:public"],
-    deps = [
-        "//consensus-types/primitives:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-    ],
+    deps = ["//consensus-types/primitives:go_default_library"],
 )
 
 go_test(
     name = "go_default_test",
-    srcs = [
-        "common_test.go",
-        "header_test.go",
-    ],
+    srcs = ["common_test.go"],
     embed = [":go_default_library"],
     deps = [
         "//consensus-types/primitives:go_default_library",
         "//testing/assert:go_default_library",
-        "//testing/require:go_default_library",
     ],
 )

api/apiutil/header.go

@@ -1,122 +0,0 @@
-package apiutil
-
-import (
-	"mime"
-	"sort"
-	"strconv"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
-)
-
-type mediaRange struct {
-	mt   string  // canonicalised media‑type, e.g. "application/json"
-	q    float64 // quality factor (0‑1)
-	raw  string  // original string – useful for logging/debugging
-	spec int     // 2=exact, 1=type/*, 0=*/*
-}
-
-func parseMediaRange(field string) (mediaRange, bool) {
-	field = strings.TrimSpace(field)
-
-	mt, params, err := mime.ParseMediaType(field)
-	if err != nil {
-		log.WithError(err).Debug("Failed to parse header field")
-		return mediaRange{}, false
-	}
-
-	r := mediaRange{mt: mt, q: 1, spec: 2, raw: field}
-
-	if qs, ok := params["q"]; ok {
-		v, err := strconv.ParseFloat(qs, 64)
-		if err != nil || v < 0 || v > 1 {
-			log.WithField("q", qs).Debug("Invalid quality factor (0‑1)")
-			return mediaRange{}, false // skip invalid entry
-		}
-		r.q = v
-	}
-
-	switch {
-	case mt == "*/*":
-		r.spec = 0
-	case strings.HasSuffix(mt, "/*"):
-		r.spec = 1
-	}
-	return r, true
-}
-
-func hasExplicitQ(r mediaRange) bool {
-	return strings.Contains(strings.ToLower(r.raw), ";q=")
-}
-
-// ParseAccept returns media ranges sorted by q (desc) then specificity.
-func ParseAccept(header string) []mediaRange {
-	if header == "" {
-		return []mediaRange{{mt: "*/*", q: 1, spec: 0, raw: "*/*"}}
-	}
-
-	var out []mediaRange
-	for _, field := range strings.Split(header, ",") {
-		if r, ok := parseMediaRange(field); ok {
-			out = append(out, r)
-		}
-	}
-
-	sort.SliceStable(out, func(i, j int) bool {
-		ei, ej := hasExplicitQ(out[i]), hasExplicitQ(out[j])
-		if ei != ej {
-			return ei // explicit beats implicit
-		}
-		if out[i].q != out[j].q {
-			return out[i].q > out[j].q
-		}
-		return out[i].spec > out[j].spec
-	})
-	return out
-}
-
-// Matches reports whether content type is acceptable per the header.
-func Matches(header, ct string) bool {
-	for _, r := range ParseAccept(header) {
-		switch {
-		case r.q == 0:
-			continue
-		case r.mt == "*/*":
-			return true
-		case strings.HasSuffix(r.mt, "/*"):
-			if strings.HasPrefix(ct, r.mt[:len(r.mt)-1]) {
-				return true
-			}
-		case r.mt == ct:
-			return true
-		}
-	}
-	return false
-}
-
-// Negotiate selects the best server type according to the header.
-// Returns the chosen type and true, or "", false when nothing matches.
-func Negotiate(header string, serverTypes []string) (string, bool) {
-	for _, r := range ParseAccept(header) {
-		if r.q == 0 {
-			continue
-		}
-		for _, s := range serverTypes {
-			if Matches(r.mt, s) {
-				return s, true
-			}
-		}
-	}
-	return "", false
-}
-
-// PrimaryAcceptMatches only checks if the first accept matches
-func PrimaryAcceptMatches(header, produced string) bool {
-	for _, r := range ParseAccept(header) {
-		if r.q == 0 {
-			continue // explicitly unacceptable – skip
-		}
-		return Matches(r.mt, produced)
-	}
-	return false
-}

api/apiutil/header_test.go

@@ -1,174 +0,0 @@
-package apiutil
-
-import (
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v6/testing/require"
-)
-
-func TestParseAccept(t *testing.T) {
-	type want struct {
-		mt   string
-		q    float64
-		spec int
-	}
-
-	cases := []struct {
-		name   string
-		header string
-		want   []want
-	}{
-		{
-			name:   "empty header becomes */*;q=1",
-			header: "",
-			want:   []want{{mt: "*/*", q: 1, spec: 0}},
-		},
-		{
-			name:   "quality ordering then specificity",
-			header: "application/json;q=0.2, */*;q=0.1, application/xml;q=0.5, text/*;q=0.5",
-			want: []want{
-				{mt: "application/xml", q: 0.5, spec: 2},
-				{mt: "text/*", q: 0.5, spec: 1},
-				{mt: "application/json", q: 0.2, spec: 2},
-				{mt: "*/*", q: 0.1, spec: 0},
-			},
-		},
-		{
-			name:   "invalid pieces are skipped",
-			header: "text/plain; q=boom, application/json",
-			want:   []want{{mt: "application/json", q: 1, spec: 2}},
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			got := ParseAccept(tc.header)
-			gotProjected := make([]want, len(got))
-			for i, g := range got {
-				gotProjected[i] = want{mt: g.mt, q: g.q, spec: g.spec}
-			}
-			require.DeepEqual(t, gotProjected, tc.want)
-		})
-	}
-}
-
-func TestMatches(t *testing.T) {
-	cases := []struct {
-		name    string
-		accept  string
-		ct      string
-		matches bool
-	}{
-		{"exact match", "application/json", "application/json", true},
-		{"type wildcard", "application/*;q=0.8", "application/xml", true},
-		{"global wildcard", "*/*;q=0.1", "image/png", true},
-		{"explicitly unacceptable (q=0)", "text/*;q=0", "text/plain", false},
-		{"no match", "image/png", "application/json", false},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			got := Matches(tc.accept, tc.ct)
-			require.Equal(t, tc.matches, got)
-		})
-	}
-}
-
-func TestNegotiate(t *testing.T) {
-	cases := []struct {
-		name        string
-		accept      string
-		serverTypes []string
-		wantType    string
-		ok          bool
-	}{
-		{
-			name:        "highest quality wins",
-			accept:      "application/json;q=0.8,application/xml;q=0.9",
-			serverTypes: []string{"application/json", "application/xml"},
-			wantType:    "application/xml",
-			ok:          true,
-		},
-		{
-			name:        "wildcard matches first server type",
-			accept:      "*/*;q=0.5",
-			serverTypes: []string{"application/octet-stream", "application/json"},
-			wantType:    "application/octet-stream",
-			ok:          true,
-		},
-		{
-			name:        "no acceptable type",
-			accept:      "image/png",
-			serverTypes: []string{"application/json"},
-			wantType:    "",
-			ok:          false,
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			got, ok := Negotiate(tc.accept, tc.serverTypes)
-			require.Equal(t, tc.ok, ok)
-			require.Equal(t, tc.wantType, got)
-		})
-	}
-}
-
-func TestPrimaryAcceptMatches(t *testing.T) {
-	tests := []struct {
-		name     string
-		accept   string
-		produced string
-		expect   bool
-	}{
-		{
-			name:     "prefers json",
-			accept:   "application/json;q=0.9,application/xml",
-			produced: "application/json",
-			expect:   true,
-		},
-		{
-			name:     "wildcard application beats other wildcard",
-			accept:   "application/*;q=0.2,*/*;q=0.1",
-			produced: "application/xml",
-			expect:   true,
-		},
-		{
-			name:     "json wins",
-			accept:   "application/xml;q=0.8,application/json;q=0.9",
-			produced: "application/json",
-			expect:   true,
-		},
-		{
-			name:     "json loses",
-			accept:   "application/xml;q=0.8,application/json;q=0.9,application/octet-stream;q=0.99",
-			produced: "application/json",
-			expect:   false,
-		},
-		{
-			name:     "json wins with non q option",
-			accept:   "application/xml;q=0.8,image/png,application/json;q=0.9",
-			produced: "application/json",
-			expect:   true,
-		},
-		{
-			name:     "json not primary",
-			accept:   "image/png,application/json",
-			produced: "application/json",
-			expect:   false,
-		},
-		{
-			name:     "absent header",
-			accept:   "",
-			produced: "text/plain",
-			expect:   true,
-		},
-	}
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			got := PrimaryAcceptMatches(tc.accept, tc.produced)
-			require.Equal(t, got, tc.expect)
-		})
-	}
-}

api/client/beacon/BUILD.bazel

@@ -16,6 +16,7 @@ go_library(
         "//api/server/structs:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//network/forks:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_pkg_errors//:go_default_library",

api/client/beacon/client.go

@@ -9,6 +9,7 @@ import (
 	"net/url"
 	"path"
 	"regexp"
+	"sort"
 	"strconv"
 
 	"github.com/OffchainLabs/prysm/v6/api/client"
@@ -16,6 +17,7 @@ import (
 	"github.com/OffchainLabs/prysm/v6/api/server/structs"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v6/network/forks"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/pkg/errors"
@@ -135,6 +137,24 @@ func (c *Client) GetFork(ctx context.Context, stateId StateOrBlockId) (*ethpb.Fo
 	return fr.ToConsensus()
 }
 
+// GetForkSchedule retrieve all forks, past present and future, of which this node is aware.
+func (c *Client) GetForkSchedule(ctx context.Context) (forks.OrderedSchedule, error) {
+	body, err := c.Get(ctx, getForkSchedulePath)
+	if err != nil {
+		return nil, errors.Wrap(err, "error requesting fork schedule")
+	}
+	fsr := &forkScheduleResponse{}
+	err = json.Unmarshal(body, fsr)
+	if err != nil {
+		return nil, err
+	}
+	ofs, err := fsr.OrderedForkSchedule()
+	if err != nil {
+		return nil, errors.Wrap(err, fmt.Sprintf("problem unmarshaling %s response", getForkSchedulePath))
+	}
+	return ofs, nil
+}
+
 // GetConfigSpec retrieve the current configs of the network used by the beacon node.
 func (c *Client) GetConfigSpec(ctx context.Context) (*structs.GetSpecResponse, error) {
 	body, err := c.Get(ctx, getConfigSpecPath)
@@ -314,3 +334,31 @@ func (c *Client) GetBLStoExecutionChanges(ctx context.Context) (*structs.BLSToEx
 	}
 	return poolResponse, nil
 }
+
+type forkScheduleResponse struct {
+	Data []structs.Fork
+}
+
+func (fsr *forkScheduleResponse) OrderedForkSchedule() (forks.OrderedSchedule, error) {
+	ofs := make(forks.OrderedSchedule, 0)
+	for _, d := range fsr.Data {
+		epoch, err := strconv.ParseUint(d.Epoch, 10, 64)
+		if err != nil {
+			return nil, errors.Wrapf(err, "error parsing epoch %s", d.Epoch)
+		}
+		vSlice, err := hexutil.Decode(d.CurrentVersion)
+		if err != nil {
+			return nil, err
+		}
+		if len(vSlice) != 4 {
+			return nil, fmt.Errorf("got %d byte version, expected 4 bytes. version hex=%s", len(vSlice), d.CurrentVersion)
+		}
+		version := bytesutil.ToBytes4(vSlice)
+		ofs = append(ofs, forks.ForkScheduleEntry{
+			Version: version,
+			Epoch:   primitives.Epoch(epoch),
+		})
+	}
+	sort.Sort(ofs)
+	return ofs, nil
+}

api/client/beacon/health/BUILD.bazel

@@ -0,0 +1,20 @@
+load("@prysm//tools/go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "health.go",
+        "interfaces.go",
+        "mock.go",
+    ],
+    importpath = "github.com/OffchainLabs/prysm/v6/api/client/beacon/health",
+    visibility = ["//visibility:public"],
+    deps = ["@org_uber_go_mock//gomock:go_default_library"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["health_test.go"],
+    embed = [":go_default_library"],
+    deps = ["@org_uber_go_mock//gomock:go_default_library"],
+)

api/client/beacon/health/health.go

@@ -0,0 +1,58 @@
+package health
+
+import (
+	"context"
+	"sync"
+)
+
+type NodeHealthTracker struct {
+	isHealthy  *bool
+	healthChan chan bool
+	node       Node
+	sync.RWMutex
+}
+
+func NewTracker(node Node) Tracker {
+	return &NodeHealthTracker{
+		node:       node,
+		healthChan: make(chan bool, 1),
+	}
+}
+
+// HealthUpdates provides a read-only channel for health updates.
+func (n *NodeHealthTracker) HealthUpdates() <-chan bool {
+	return n.healthChan
+}
+
+func (n *NodeHealthTracker) IsHealthy(_ context.Context) bool {
+	n.RLock()
+	defer n.RUnlock()
+	if n.isHealthy == nil {
+		return false
+	}
+	return *n.isHealthy
+}
+
+func (n *NodeHealthTracker) CheckHealth(ctx context.Context) bool {
+	n.Lock()
+	defer n.Unlock()
+
+	newStatus := n.node.IsHealthy(ctx)
+	if n.isHealthy == nil {
+		n.isHealthy = &newStatus
+	}
+
+	isStatusChanged := newStatus != *n.isHealthy
+	if isStatusChanged {
+		// Update the health status
+		n.isHealthy = &newStatus
+		// Send the new status to the health channel, potentially overwriting the existing value
+		select {
+		case <-n.healthChan:
+			n.healthChan <- newStatus
+		default:
+			n.healthChan <- newStatus
+		}
+	}
+	return newStatus
+}

api/client/beacon/health/health_test.go

@@ -0,0 +1,111 @@
+package health
+
+import (
+	"context"
+	"sync"
+	"testing"
+
+	"go.uber.org/mock/gomock"
+)
+
+func TestNodeHealth_IsHealthy(t *testing.T) {
+	tests := []struct {
+		name      string
+		isHealthy bool
+		want      bool
+	}{
+		{"initially healthy", true, true},
+		{"initially unhealthy", false, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			n := &NodeHealthTracker{
+				isHealthy:  &tt.isHealthy,
+				healthChan: make(chan bool, 1),
+			}
+			if got := n.IsHealthy(context.Background()); got != tt.want {
+				t.Errorf("IsHealthy() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestNodeHealth_UpdateNodeHealth(t *testing.T) {
+	tests := []struct {
+		name       string
+		initial    bool // Initial health status
+		newStatus  bool // Status to update to
+		shouldSend bool // Should a message be sent through the channel
+	}{
+		{"healthy to unhealthy", true, false, true},
+		{"unhealthy to healthy", false, true, true},
+		{"remain healthy", true, true, false},
+		{"remain unhealthy", false, false, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ctrl := gomock.NewController(t)
+			defer ctrl.Finish()
+			client := NewMockHealthClient(ctrl)
+			client.EXPECT().IsHealthy(gomock.Any()).Return(tt.newStatus)
+			n := &NodeHealthTracker{
+				isHealthy:  &tt.initial,
+				node:       client,
+				healthChan: make(chan bool, 1),
+			}
+
+			s := n.CheckHealth(context.Background())
+			// Check if health status was updated
+			if s != tt.newStatus {
+				t.Errorf("UpdateNodeHealth() failed to update isHealthy from %v to %v", tt.initial, tt.newStatus)
+			}
+
+			select {
+			case status := <-n.HealthUpdates():
+				if !tt.shouldSend {
+					t.Errorf("UpdateNodeHealth() unexpectedly sent status %v to HealthCh", status)
+				} else if status != tt.newStatus {
+					t.Errorf("UpdateNodeHealth() sent wrong status %v, want %v", status, tt.newStatus)
+				}
+			default:
+				if tt.shouldSend {
+					t.Error("UpdateNodeHealth() did not send any status to HealthCh when expected")
+				}
+			}
+		})
+	}
+}
+
+func TestNodeHealth_Concurrency(t *testing.T) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	client := NewMockHealthClient(ctrl)
+	n := NewTracker(client)
+	var wg sync.WaitGroup
+
+	// Number of goroutines to spawn for both reading and writing
+	numGoroutines := 6
+
+	wg.Add(numGoroutines * 2) // for readers and writers
+
+	// Concurrently update health status
+	for i := 0; i < numGoroutines; i++ {
+		go func() {
+			defer wg.Done()
+			client.EXPECT().IsHealthy(gomock.Any()).Return(false).Times(1)
+			n.CheckHealth(context.Background())
+			client.EXPECT().IsHealthy(gomock.Any()).Return(true).Times(1)
+			n.CheckHealth(context.Background())
+		}()
+	}
+
+	// Concurrently read health status
+	for i := 0; i < numGoroutines; i++ {
+		go func() {
+			defer wg.Done()
+			_ = n.IsHealthy(context.Background()) // Just read the value
+		}()
+	}
+
+	wg.Wait() // Wait for all goroutines to finish
+}

api/client/beacon/health/interfaces.go

@@ -0,0 +1,13 @@
+package health
+
+import "context"
+
+type Tracker interface {
+	HealthUpdates() <-chan bool
+	CheckHealth(ctx context.Context) bool
+	Node
+}
+
+type Node interface {
+	IsHealthy(ctx context.Context) bool
+}

api/client/beacon/health/mock.go

@@ -0,0 +1,58 @@
+package health
+
+import (
+	"context"
+	"reflect"
+	"sync"
+
+	"go.uber.org/mock/gomock"
+)
+
+var (
+	_ = Node(&MockHealthClient{})
+)
+
+// MockHealthClient is a mock of HealthClient interface.
+type MockHealthClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockHealthClientMockRecorder
+	sync.Mutex
+}
+
+// MockHealthClientMockRecorder is the mock recorder for MockHealthClient.
+type MockHealthClientMockRecorder struct {
+	mock *MockHealthClient
+}
+
+// IsHealthy mocks base method.
+func (m *MockHealthClient) IsHealthy(arg0 context.Context) bool {
+	m.Lock()
+	defer m.Unlock()
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "IsHealthy", arg0)
+	ret0, ok := ret[0].(bool)
+	if !ok {
+		return false
+	}
+	return ret0
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockHealthClient) EXPECT() *MockHealthClientMockRecorder {
+	return m.recorder
+}
+
+// IsHealthy indicates an expected call of IsHealthy.
+func (mr *MockHealthClientMockRecorder) IsHealthy(arg0 any) *gomock.Call {
+	mr.mock.Lock()
+	defer mr.mock.Unlock()
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IsHealthy", reflect.TypeOf((*MockHealthClient)(nil).IsHealthy), arg0)
+}
+
+// NewMockHealthClient creates a new mock instance.
+func NewMockHealthClient(ctrl *gomock.Controller) *MockHealthClient {
+	mock := &MockHealthClient{ctrl: ctrl}
+	mock.recorder = &MockHealthClientMockRecorder{mock}
+	return mock
+}

api/client/builder/BUILD.bazel

@@ -50,7 +50,6 @@ go_test(
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
-        "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",

api/client/builder/client.go

@@ -72,7 +72,7 @@ func (*requestLogger) observe(r *http.Request) (e error) {
 		log.WithFields(log.Fields{
 			"bodyBase64": "(nil value)",
 			"url":        r.URL.String(),
-		}).Info("Builder http request")
+		}).Info("builder http request")
 		return nil
 	}
 	t := io.TeeReader(r.Body, b)
@@ -89,7 +89,7 @@ func (*requestLogger) observe(r *http.Request) (e error) {
 	log.WithFields(log.Fields{
 		"bodyBase64": string(body),
 		"url":        r.URL.String(),
-	}).Info("Builder http request")
+	}).Info("builder http request")
 
 	return nil
 }
@@ -101,7 +101,7 @@ type BuilderClient interface {
 	NodeURL() string
 	GetHeader(ctx context.Context, slot primitives.Slot, parentHash [32]byte, pubkey [48]byte) (SignedBid, error)
 	RegisterValidator(ctx context.Context, svr []*ethpb.SignedValidatorRegistrationV1) error
-	SubmitBlindedBlock(ctx context.Context, sb interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error)
+	SubmitBlindedBlock(ctx context.Context, sb interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error)
 	Status(ctx context.Context) error
 }
 
@@ -446,9 +446,6 @@ func sszValidatorRegisterRequest(svr []*ethpb.SignedValidatorRegistrationV1) ([]
 var errResponseVersionMismatch = errors.New("builder API response uses a different version than requested in " + api.VersionHeader + " header")
 
 func getVersionsBlockToPayload(blockVersion int) (int, error) {
-	if blockVersion >= version.Fulu {
-		return version.Fulu, nil
-	}
 	if blockVersion >= version.Deneb {
 		return version.Deneb, nil
 	}
@@ -463,7 +460,7 @@ func getVersionsBlockToPayload(blockVersion int) (int, error) {
 
 // SubmitBlindedBlock calls the builder API endpoint that binds the validator to the builder and submits the block.
 // The response is the full execution payload used to create the blinded block.
-func (c *Client) SubmitBlindedBlock(ctx context.Context, sb interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error) {
+func (c *Client) SubmitBlindedBlock(ctx context.Context, sb interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
 	body, postOpts, err := c.buildBlindedBlockRequest(sb)
 	if err != nil {
 		return nil, nil, err
@@ -561,7 +558,7 @@ func (c *Client) buildBlindedBlockRequest(sb interfaces.ReadOnlySignedBeaconBloc
 func (c *Client) parseBlindedBlockResponse(
 	respBytes []byte,
 	forkVersion int,
-) (interfaces.ExecutionData, v1.BlobsBundler, error) {
+) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
 	if c.sszEnabled {
 		return c.parseBlindedBlockResponseSSZ(respBytes, forkVersion)
 	}
@@ -571,18 +568,8 @@ func (c *Client) parseBlindedBlockResponse(
 func (c *Client) parseBlindedBlockResponseSSZ(
 	respBytes []byte,
 	forkVersion int,
-) (interfaces.ExecutionData, v1.BlobsBundler, error) {
-	if forkVersion >= version.Fulu {
-		payloadAndBlobs := &v1.ExecutionPayloadDenebAndBlobsBundleV2{}
-		if err := payloadAndBlobs.UnmarshalSSZ(respBytes); err != nil {
-			return nil, nil, errors.Wrap(err, "unable to unmarshal ExecutionPayloadDenebAndBlobsBundleV2 SSZ")
-		}
-		ed, err := blocks.NewWrappedExecutionData(payloadAndBlobs.Payload)
-		if err != nil {
-			return nil, nil, errors.Wrapf(err, "unable to wrap execution data for %s", version.String(forkVersion))
-		}
-		return ed, payloadAndBlobs.BlobsBundle, nil
-	} else if forkVersion >= version.Deneb {
+) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
+	if forkVersion >= version.Deneb {
 		payloadAndBlobs := &v1.ExecutionPayloadDenebAndBlobsBundle{}
 		if err := payloadAndBlobs.UnmarshalSSZ(respBytes); err != nil {
 			return nil, nil, errors.Wrap(err, "unable to unmarshal ExecutionPayloadDenebAndBlobsBundle SSZ")

api/client/builder/client_test.go

@@ -14,7 +14,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/api/server/structs"
 	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
 	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
@@ -32,7 +31,7 @@ func (fn roundtrip) RoundTrip(r *http.Request) (*http.Response, error) {
 }
 
 func TestClient_Status(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	statusPath := "/eth/v1/builder/status"
 	hc := &http.Client{
 		Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
@@ -85,7 +84,7 @@ func TestClient_Status(t *testing.T) {
 }
 
 func TestClient_RegisterValidator(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	expectedBody := `[{"message":{"fee_recipient":"0x0000000000000000000000000000000000000000","gas_limit":"23","timestamp":"42","pubkey":"0x93247f2209abcacf57b75a51dafae777f9dd38bc7053d1af526f220a7489a6d3a2753e5f3e8b1cfe39b56f43611df74a"},"signature":"0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505"}]`
 	expectedPath := "/eth/v1/builder/validators"
 	t.Run("JSON success", func(t *testing.T) {
@@ -169,7 +168,7 @@ func TestClient_RegisterValidator(t *testing.T) {
 }
 
 func TestClient_GetHeader(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	expectedPath := "/eth/v1/builder/header/23/0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2/0x93247f2209abcacf57b75a51dafae777f9dd38bc7053d1af526f220a7489a6d3a2753e5f3e8b1cfe39b56f43611df74a"
 	var slot primitives.Slot = 23
 	parentHash := ezDecode(t, "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2")
@@ -602,7 +601,7 @@ func TestClient_GetHeader(t *testing.T) {
 }
 
 func TestSubmitBlindedBlock(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
 	t.Run("bellatrix", func(t *testing.T) {
 		hc := &http.Client{
@@ -1560,7 +1559,7 @@ func TestRequestLogger(t *testing.T) {
 	c, err := NewClient("localhost:3500", wo)
 	require.NoError(t, err)
 
-	ctx := t.Context()
+	ctx := context.Background()
 	hc := &http.Client{
 		Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
 			require.Equal(t, getStatus, r.URL.Path)
@@ -1575,166 +1574,3 @@ func TestRequestLogger(t *testing.T) {
 	err = c.Status(ctx)
 	require.NoError(t, err)
 }
-
-func TestGetVersionsBlockToPayload(t *testing.T) {
-	tests := []struct {
-		name            string
-		blockVersion    int
-		expectedVersion int
-		expectedError   bool
-	}{
-		{
-			name:            "Fulu version",
-			blockVersion:    6, // version.Fulu
-			expectedVersion: 6,
-			expectedError:   false,
-		},
-		{
-			name:            "Deneb version",
-			blockVersion:    4, // version.Deneb
-			expectedVersion: 4,
-			expectedError:   false,
-		},
-		{
-			name:            "Capella version",
-			blockVersion:    3, // version.Capella
-			expectedVersion: 3,
-			expectedError:   false,
-		},
-		{
-			name:            "Bellatrix version",
-			blockVersion:    2, // version.Bellatrix
-			expectedVersion: 2,
-			expectedError:   false,
-		},
-		{
-			name:          "Unsupported version",
-			blockVersion:  0,
-			expectedError: true,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			version, err := getVersionsBlockToPayload(tt.blockVersion)
-			if tt.expectedError {
-				assert.NotNil(t, err)
-			} else {
-				assert.NoError(t, err)
-				assert.Equal(t, tt.expectedVersion, version)
-			}
-		})
-	}
-}
-
-func TestParseBlindedBlockResponseSSZ_WithBlobsBundleV2(t *testing.T) {
-	c := &Client{sszEnabled: true}
-
-	// Create test payload
-	payload := &v1.ExecutionPayloadDeneb{
-		ParentHash:    make([]byte, 32),
-		FeeRecipient:  make([]byte, 20),
-		StateRoot:     make([]byte, 32),
-		ReceiptsRoot:  make([]byte, 32),
-		LogsBloom:     make([]byte, 256),
-		PrevRandao:    make([]byte, 32),
-		BlockNumber:   123456,
-		GasLimit:      30000000,
-		GasUsed:       21000,
-		Timestamp:     1234567890,
-		ExtraData:     []byte("test-extra-data"),
-		BaseFeePerGas: make([]byte, 32),
-		BlockHash:     make([]byte, 32),
-		Transactions:  [][]byte{},
-		Withdrawals:   []*v1.Withdrawal{},
-		BlobGasUsed:   1024,
-		ExcessBlobGas: 2048,
-	}
-
-	// Create test BlobsBundleV2
-	bundleV2 := &v1.BlobsBundleV2{
-		KzgCommitments: [][]byte{make([]byte, 48), make([]byte, 48)},
-		Proofs:         [][]byte{make([]byte, 48), make([]byte, 48)},
-		Blobs:          [][]byte{make([]byte, 131072), make([]byte, 131072)},
-	}
-
-	// Test Fulu version (should use ExecutionPayloadDenebAndBlobsBundleV2)
-	t.Run("Fulu version with BlobsBundleV2", func(t *testing.T) {
-		payloadAndBlobsV2 := &v1.ExecutionPayloadDenebAndBlobsBundleV2{
-			Payload:     payload,
-			BlobsBundle: bundleV2,
-		}
-
-		respBytes, err := payloadAndBlobsV2.MarshalSSZ()
-		require.NoError(t, err)
-
-		ed, bundle, err := c.parseBlindedBlockResponseSSZ(respBytes, 6) // version.Fulu
-		require.NoError(t, err)
-		require.NotNil(t, ed)
-		require.NotNil(t, bundle)
-
-		// Verify the bundle is BlobsBundleV2
-		bundleV2Result, ok := bundle.(*v1.BlobsBundleV2)
-		assert.Equal(t, true, ok, "Expected BlobsBundleV2 type")
-		require.Equal(t, len(bundleV2.KzgCommitments), len(bundleV2Result.KzgCommitments))
-		require.Equal(t, len(bundleV2.Proofs), len(bundleV2Result.Proofs))
-		require.Equal(t, len(bundleV2.Blobs), len(bundleV2Result.Blobs))
-	})
-
-	// Test Deneb version (should use regular BlobsBundle)
-	t.Run("Deneb version with regular BlobsBundle", func(t *testing.T) {
-		regularBundle := &v1.BlobsBundle{
-			KzgCommitments: bundleV2.KzgCommitments,
-			Proofs:         bundleV2.Proofs,
-			Blobs:          bundleV2.Blobs,
-		}
-
-		payloadAndBlobs := &v1.ExecutionPayloadDenebAndBlobsBundle{
-			Payload:     payload,
-			BlobsBundle: regularBundle,
-		}
-
-		respBytes, err := payloadAndBlobs.MarshalSSZ()
-		require.NoError(t, err)
-
-		ed, bundle, err := c.parseBlindedBlockResponseSSZ(respBytes, 4) // version.Deneb
-		require.NoError(t, err)
-		require.NotNil(t, ed)
-		require.NotNil(t, bundle)
-
-		// Verify the bundle is regular BlobsBundle
-		regularBundleResult, ok := bundle.(*v1.BlobsBundle)
-		assert.Equal(t, true, ok, "Expected BlobsBundle type")
-		require.Equal(t, len(regularBundle.KzgCommitments), len(regularBundleResult.KzgCommitments))
-	})
-
-	// Test invalid SSZ data
-	t.Run("Invalid SSZ data", func(t *testing.T) {
-		invalidBytes := []byte("invalid-ssz-data")
-
-		ed, bundle, err := c.parseBlindedBlockResponseSSZ(invalidBytes, 6)
-		assert.NotNil(t, err)
-		assert.Equal(t, true, ed == nil)
-		assert.Equal(t, true, bundle == nil)
-	})
-}
-
-func TestSubmitBlindedBlock_BlobsBundlerInterface(t *testing.T) {
-	// Note: The full integration test is complex due to version detection logic
-	// The key functionality is tested in the parseBlindedBlockResponseSSZ tests above
-	// and in the mock service tests which verify the interface changes work correctly
-
-	t.Run("Interface signature verification", func(t *testing.T) {
-		// This test verifies that the SubmitBlindedBlock method signature
-		// has been updated to return BlobsBundler interface
-		
-		client := &Client{}
-
-		// Verify the method exists with the correct signature
-		// by using reflection or by checking it compiles with the interface
-		var _ func(ctx context.Context, sb interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error) = client.SubmitBlindedBlock
-
-		// This test passes if the signature is correct
-		assert.Equal(t, true, true)
-	})
-}

api/client/builder/testing/mock.go

@@ -41,7 +41,7 @@ func (m MockClient) RegisterValidator(_ context.Context, svr []*ethpb.SignedVali
 }
 
 // SubmitBlindedBlock --
-func (MockClient) SubmitBlindedBlock(_ context.Context, _ interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error) {
+func (MockClient) SubmitBlindedBlock(_ context.Context, _ interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
 	return nil, nil, nil
 }
 

api/client/event/event_stream_test.go

@@ -1,6 +1,7 @@
 package event
 
 import (
+	"context"
 	"fmt"
 	"net/http"
 	"net/http/httptest"
@@ -29,7 +30,7 @@ func TestNewEventStream(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			_, err := NewEventStream(t.Context(), &http.Client{}, tt.host, tt.topics)
+			_, err := NewEventStream(context.Background(), &http.Client{}, tt.host, tt.topics)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("NewEventStream() error = %v, wantErr %v", err, tt.wantErr)
 			}
@@ -55,7 +56,7 @@ func TestEventStream(t *testing.T) {
 
 	topics := []string{"head"}
 	eventsChannel := make(chan *Event, 1)
-	stream, err := NewEventStream(t.Context(), http.DefaultClient, server.URL, topics)
+	stream, err := NewEventStream(context.Background(), http.DefaultClient, server.URL, topics)
 	require.NoError(t, err)
 	go stream.Subscribe(eventsChannel)
 

api/grpc/grpcutils_test.go

@@ -1,6 +1,7 @@
 package grpc
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
@@ -15,7 +16,7 @@ type customErrorData struct {
 
 func TestAppendHeaders(t *testing.T) {
 	t.Run("one_header", func(t *testing.T) {
-		ctx := AppendHeaders(t.Context(), []string{"first=value1"})
+		ctx := AppendHeaders(context.Background(), []string{"first=value1"})
 		md, ok := metadata.FromOutgoingContext(ctx)
 		require.Equal(t, true, ok, "Failed to read context metadata")
 		require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
@@ -23,7 +24,7 @@ func TestAppendHeaders(t *testing.T) {
 	})
 
 	t.Run("multiple_headers", func(t *testing.T) {
-		ctx := AppendHeaders(t.Context(), []string{"first=value1", "second=value2"})
+		ctx := AppendHeaders(context.Background(), []string{"first=value1", "second=value2"})
 		md, ok := metadata.FromOutgoingContext(ctx)
 		require.Equal(t, true, ok, "Failed to read context metadata")
 		require.Equal(t, 2, md.Len(), "MetadataV0 contains wrong number of values")
@@ -32,7 +33,7 @@ func TestAppendHeaders(t *testing.T) {
 	})
 
 	t.Run("one_empty_header", func(t *testing.T) {
-		ctx := AppendHeaders(t.Context(), []string{"first=value1", ""})
+		ctx := AppendHeaders(context.Background(), []string{"first=value1", ""})
 		md, ok := metadata.FromOutgoingContext(ctx)
 		require.Equal(t, true, ok, "Failed to read context metadata")
 		require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
@@ -41,7 +42,7 @@ func TestAppendHeaders(t *testing.T) {
 
 	t.Run("incorrect_header", func(t *testing.T) {
 		logHook := logTest.NewGlobal()
-		ctx := AppendHeaders(t.Context(), []string{"first=value1", "second"})
+		ctx := AppendHeaders(context.Background(), []string{"first=value1", "second"})
 		md, ok := metadata.FromOutgoingContext(ctx)
 		require.Equal(t, true, ok, "Failed to read context metadata")
 		require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
@@ -50,7 +51,7 @@ func TestAppendHeaders(t *testing.T) {
 	})
 
 	t.Run("header_value_with_equal_sign", func(t *testing.T) {
-		ctx := AppendHeaders(t.Context(), []string{"first=value=1"})
+		ctx := AppendHeaders(context.Background(), []string{"first=value=1"})
 		md, ok := metadata.FromOutgoingContext(ctx)
 		require.Equal(t, true, ok, "Failed to read context metadata")
 		require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")

api/server/httprest/server_test.go

@@ -1,6 +1,7 @@
 package httprest
 
 import (
+	"context"
 	"flag"
 	"fmt"
 	"net"
@@ -33,7 +34,7 @@ func TestServer_StartStop(t *testing.T) {
 		WithRouter(handler),
 	}
 
-	g, err := New(t.Context(), opts...)
+	g, err := New(context.Background(), opts...)
 	require.NoError(t, err)
 
 	g.Start()
@@ -61,7 +62,7 @@ func TestServer_NilHandler_NotFoundHandlerRegistered(t *testing.T) {
 		WithRouter(handler),
 	}
 
-	g, err := New(t.Context(), opts...)
+	g, err := New(context.Background(), opts...)
 	require.NoError(t, err)
 
 	writer := httptest.NewRecorder()

api/server/middleware/BUILD.bazel

@@ -8,12 +8,7 @@ go_library(
     ],
     importpath = "github.com/OffchainLabs/prysm/v6/api/server/middleware",
     visibility = ["//visibility:public"],
-    deps = [
-        "//api:go_default_library",
-        "//api/apiutil:go_default_library",
-        "@com_github_rs_cors//:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-    ],
+    deps = ["@com_github_rs_cors//:go_default_library"],
 )
 
 go_test(
@@ -27,6 +22,5 @@ go_test(
         "//api:go_default_library",
         "//testing/assert:go_default_library",
         "//testing/require:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
     ],
 )

api/server/middleware/middleware.go

@@ -1,15 +1,11 @@
 package middleware
 
 import (
-	"compress/gzip"
 	"fmt"
 	"net/http"
 	"strings"
 
-	"github.com/OffchainLabs/prysm/v6/api"
-	"github.com/OffchainLabs/prysm/v6/api/apiutil"
 	"github.com/rs/cors"
-	log "github.com/sirupsen/logrus"
 )
 
 type Middleware func(http.Handler) http.Handler
@@ -75,64 +71,47 @@ func ContentTypeHandler(acceptedMediaTypes []string) Middleware {
 func AcceptHeaderHandler(serverAcceptedTypes []string) Middleware {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			if _, ok := apiutil.Negotiate(r.Header.Get("Accept"), serverAcceptedTypes); !ok {
-				http.Error(w, "Not Acceptable", http.StatusNotAcceptable)
-				return
-			}
-			next.ServeHTTP(w, r)
-		})
-	}
-}
-
-// AcceptEncodingHeaderHandler compresses the response before sending it back to the client, if gzip is supported.
-func AcceptEncodingHeaderHandler() Middleware {
-	return func(next http.Handler) http.Handler {
-		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
+			acceptHeader := r.Header.Get("Accept")
+			// header is optional and should skip if not provided
+			if acceptHeader == "" {
 				next.ServeHTTP(w, r)
 				return
 			}
 
-			gz := gzip.NewWriter(w)
-			gzipRW := &gzipResponseWriter{gz: gz, ResponseWriter: w}
-			defer func() {
-				if !gzipRW.zip {
-					return
+			accepted := false
+			acceptTypes := strings.Split(acceptHeader, ",")
+			// follows rules defined in https://datatracker.ietf.org/doc/html/rfc2616#section-14.1
+			for _, acceptType := range acceptTypes {
+				acceptType = strings.TrimSpace(acceptType)
+				if acceptType == "*/*" {
+					accepted = true
+					break
 				}
-				if err := gz.Close(); err != nil {
-					log.WithError(err).Error("Failed to close gzip writer")
+				for _, serverAcceptedType := range serverAcceptedTypes {
+					if strings.HasPrefix(acceptType, serverAcceptedType) {
+						accepted = true
+						break
+					}
+					if acceptType != "/*" && strings.HasSuffix(acceptType, "/*") && strings.HasPrefix(serverAcceptedType, acceptType[:len(acceptType)-2]) {
+						accepted = true
+						break
+					}
 				}
-			}()
+				if accepted {
+					break
+				}
+			}
 
-			next.ServeHTTP(gzipRW, r)
+			if !accepted {
+				http.Error(w, fmt.Sprintf("Not Acceptable: %s", acceptHeader), http.StatusNotAcceptable)
+				return
+			}
+
+			next.ServeHTTP(w, r)
 		})
 	}
 }
 
-type gzipResponseWriter struct {
-	gz *gzip.Writer
-	http.ResponseWriter
-	zip bool
-}
-
-func (g *gzipResponseWriter) WriteHeader(statusCode int) {
-	if strings.Contains(g.Header().Get("Content-Type"), api.JsonMediaType) {
-		// Removing the current Content-Length because zipping will change it.
-		g.Header().Del("Content-Length")
-		g.Header().Set("Content-Encoding", "gzip")
-		g.zip = true
-	}
-
-	g.ResponseWriter.WriteHeader(statusCode)
-}
-
-func (g *gzipResponseWriter) Write(b []byte) (int, error) {
-	if g.zip {
-		return g.gz.Write(b)
-	}
-	return g.ResponseWriter.Write(b)
-}
-
 func MiddlewareChain(h http.Handler, mw []Middleware) http.Handler {
 	if len(mw) < 1 {
 		return h

api/server/middleware/middleware_test.go

@@ -1,35 +1,14 @@
 package middleware
 
 import (
-	"bytes"
-	"compress/gzip"
-	"io"
 	"net/http"
 	"net/http/httptest"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/api"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
-	log "github.com/sirupsen/logrus"
 )
 
-// frozenHeaderRecorder allows asserting that response headers were not modified
-// after the call to WriteHeader.
-//
-// Its purpose is to have a regression test for https://github.com/OffchainLabs/prysm/pull/15499.
-type frozenHeaderRecorder struct {
-	*httptest.ResponseRecorder
-	frozenHeader http.Header
-}
-
-func (r *frozenHeaderRecorder) WriteHeader(code int) {
-	if r.frozenHeader != nil {
-		return
-	}
-	r.ResponseRecorder.WriteHeader(code)
-	r.frozenHeader = r.ResponseRecorder.Header().Clone()
-}
-
 func TestNormalizeQueryValuesHandler(t *testing.T) {
 	nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		_, err := w.Write([]byte("next handler"))
@@ -145,90 +124,6 @@ func TestContentTypeHandler(t *testing.T) {
 	}
 }
 
-func TestAcceptEncodingHeaderHandler(t *testing.T) {
-	dummyContent := "Test gzip middleware content"
-	nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", r.Header.Get("Accept"))
-		w.WriteHeader(http.StatusOK)
-		_, err := w.Write([]byte(dummyContent))
-		require.NoError(t, err)
-	})
-
-	handler := AcceptEncodingHeaderHandler()(nextHandler)
-
-	tests := []struct {
-		name             string
-		accept           string
-		acceptEncoding   string
-		expectCompressed bool
-	}{
-		{
-			name:             "Accept gzip",
-			accept:           api.JsonMediaType,
-			acceptEncoding:   "gzip",
-			expectCompressed: true,
-		},
-		{
-			name:             "Accept multiple encodings",
-			accept:           api.JsonMediaType,
-			acceptEncoding:   "deflate, gzip",
-			expectCompressed: true,
-		},
-		{
-			name:             "Accept unsupported encoding",
-			accept:           api.JsonMediaType,
-			acceptEncoding:   "deflate",
-			expectCompressed: false,
-		},
-		{
-			name:             "No accept encoding header",
-			accept:           api.JsonMediaType,
-			acceptEncoding:   "",
-			expectCompressed: false,
-		},
-		{
-			name:             "SSZ",
-			accept:           api.OctetStreamMediaType,
-			acceptEncoding:   "gzip",
-			expectCompressed: false,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			req := httptest.NewRequest("GET", "/", nil)
-			req.Header.Set("Accept", tt.accept)
-			if tt.acceptEncoding != "" {
-				req.Header.Set("Accept-Encoding", tt.acceptEncoding)
-			}
-			rr := &frozenHeaderRecorder{ResponseRecorder: httptest.NewRecorder()}
-
-			handler.ServeHTTP(rr, req)
-
-			if tt.expectCompressed {
-				require.Equal(t, "gzip", rr.frozenHeader.Get("Content-Encoding"), "Expected Content-Encoding header to be 'gzip'")
-
-				compressedBody := rr.Body.Bytes()
-				require.NotEqual(t, dummyContent, string(compressedBody), "Response body should be compressed and differ from the original")
-
-				gzReader, err := gzip.NewReader(bytes.NewReader(compressedBody))
-				require.NoError(t, err, "Failed to create gzipReader")
-				defer func() {
-					if err := gzReader.Close(); err != nil {
-						log.WithError(err).Error("Failed to close gzip reader")
-					}
-				}()
-
-				decompressedBody, err := io.ReadAll(gzReader)
-				require.NoError(t, err, "Failed to decompress response body")
-				require.Equal(t, dummyContent, string(decompressedBody), "Decompressed content should match the original")
-			} else {
-				require.Equal(t, dummyContent, rr.Body.String(), "Response body should be uncompressed and match the original")
-			}
-		})
-	}
-}
-
 func TestAcceptHeaderHandler(t *testing.T) {
 	acceptedTypes := []string{"application/json", "application/octet-stream"}
 

api/server/structs/BUILD.bazel

@@ -36,7 +36,6 @@ go_library(
         "//consensus-types/primitives:go_default_library",
         "//consensus-types/validator:go_default_library",
         "//container/slice:go_default_library",
-        "//crypto/bls:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
         "//proto/engine/v1:go_default_library",

api/server/structs/conversions.go

@@ -10,7 +10,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/validator"
 	"github.com/OffchainLabs/prysm/v6/container/slice"
-	"github.com/OffchainLabs/prysm/v6/crypto/bls"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v6/math"
 	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
@@ -700,11 +699,6 @@ func (m *SyncCommitteeMessage) ToConsensus() (*eth.SyncCommitteeMessage, error)
 	if err != nil {
 		return nil, server.NewDecodeError(err, "Signature")
 	}
-	// Add validation to check if the signature is valid BLS format
-	_, err = bls.SignatureFromBytes(sig)
-	if err != nil {
-		return nil, server.NewDecodeError(err, "Signature")
-	}
 
 	return &eth.SyncCommitteeMessage{
 		Slot:           primitives.Slot(slot),

api/server/structs/conversions_state.go

@@ -74,7 +74,7 @@ func BeaconStateFromConsensus(st beaconState.BeaconState) (*BeaconState, error)
 	}
 
 	return &BeaconState{
-		GenesisTime:                 fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                 fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:       hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                        fmt.Sprintf("%d", st.Slot()),
 		Fork:                        ForkFromConsensus(st.Fork()),
@@ -177,7 +177,7 @@ func BeaconStateAltairFromConsensus(st beaconState.BeaconState) (*BeaconStateAlt
 	}
 
 	return &BeaconStateAltair{
-		GenesisTime:                 fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                 fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:       hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                        fmt.Sprintf("%d", st.Slot()),
 		Fork:                        ForkFromConsensus(st.Fork()),
@@ -295,7 +295,7 @@ func BeaconStateBellatrixFromConsensus(st beaconState.BeaconState) (*BeaconState
 	}
 
 	return &BeaconStateBellatrix{
-		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:        hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                         fmt.Sprintf("%d", st.Slot()),
 		Fork:                         ForkFromConsensus(st.Fork()),
@@ -430,7 +430,7 @@ func BeaconStateCapellaFromConsensus(st beaconState.BeaconState) (*BeaconStateCa
 	}
 
 	return &BeaconStateCapella{
-		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:        hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                         fmt.Sprintf("%d", st.Slot()),
 		Fork:                         ForkFromConsensus(st.Fork()),
@@ -568,7 +568,7 @@ func BeaconStateDenebFromConsensus(st beaconState.BeaconState) (*BeaconStateDene
 	}
 
 	return &BeaconStateDeneb{
-		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                  fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:        hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                         fmt.Sprintf("%d", st.Slot()),
 		Fork:                         ForkFromConsensus(st.Fork()),
@@ -742,7 +742,7 @@ func BeaconStateElectraFromConsensus(st beaconState.BeaconState) (*BeaconStateEl
 	}
 
 	return &BeaconStateElectra{
-		GenesisTime:                   fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                   fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:         hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                          fmt.Sprintf("%d", st.Slot()),
 		Fork:                          ForkFromConsensus(st.Fork()),
@@ -932,7 +932,7 @@ func BeaconStateFuluFromConsensus(st beaconState.BeaconState) (*BeaconStateFulu,
 		lookahead[i] = fmt.Sprintf("%d", uint64(v))
 	}
 	return &BeaconStateFulu{
-		GenesisTime:                   fmt.Sprintf("%d", st.GenesisTime().Unix()),
+		GenesisTime:                   fmt.Sprintf("%d", st.GenesisTime()),
 		GenesisValidatorsRoot:         hexutil.Encode(st.GenesisValidatorsRoot()),
 		Slot:                          fmt.Sprintf("%d", st.Slot()),
 		Fork:                          ForkFromConsensus(st.Fork()),

api/server/structs/endpoints_beacon.go

@@ -283,10 +283,3 @@ type GetPendingPartialWithdrawalsResponse struct {
 	Finalized           bool                        `json:"finalized"`
 	Data                []*PendingPartialWithdrawal `json:"data"`
 }
-
-type GetProposerLookaheadResponse struct {
-	Version             string   `json:"version"`
-	ExecutionOptimistic bool     `json:"execution_optimistic"`
-	Finalized           bool     `json:"finalized"`
-	Data                []string `json:"data"` // validator indexes
-}

api/server/structs/endpoints_events.go

@@ -25,13 +25,6 @@ type BlockGossipEvent struct {
 	Block string `json:"block"`
 }
 
-type DataColumnGossipEvent struct {
-	Slot           string   `json:"slot"`
-	Index          string   `json:"index"`
-	BlockRoot      string   `json:"block_root"`
-	KzgCommitments []string `json:"kzg_commitments"`
-}
-
 type AggregatedAttEventSource struct {
 	Aggregate *Attestation `json:"aggregate"`
 }

api/server/structs/endpoints_node.go

@@ -27,8 +27,6 @@ type Identity struct {
 type Metadata struct {
 	SeqNumber string `json:"seq_number"`
 	Attnets   string `json:"attnets"`
-	Syncnets  string `json:"syncnets,omitempty"`
-	Cgc       string `json:"custody_group_count,omitempty"`
 }
 
 type GetPeerResponse struct {

async/debounce_test.go

@@ -15,7 +15,7 @@ import (
 
 func TestDebounce_NoEvents(t *testing.T) {
 	eventsChan := make(chan interface{}, 100)
-	ctx, cancel := context.WithCancel(t.Context())
+	ctx, cancel := context.WithCancel(context.Background())
 	interval := time.Second
 	timesHandled := int32(0)
 	wg := &sync.WaitGroup{}
@@ -39,7 +39,7 @@ func TestDebounce_NoEvents(t *testing.T) {
 
 func TestDebounce_CtxClosing(t *testing.T) {
 	eventsChan := make(chan interface{}, 100)
-	ctx, cancel := context.WithCancel(t.Context())
+	ctx, cancel := context.WithCancel(context.Background())
 	interval := time.Second
 	timesHandled := int32(0)
 	wg := &sync.WaitGroup{}
@@ -75,7 +75,7 @@ func TestDebounce_CtxClosing(t *testing.T) {
 
 func TestDebounce_SingleHandlerInvocation(t *testing.T) {
 	eventsChan := make(chan interface{}, 100)
-	ctx, cancel := context.WithCancel(t.Context())
+	ctx, cancel := context.WithCancel(context.Background())
 	interval := time.Second
 	timesHandled := int32(0)
 	go async.Debounce(ctx, interval, eventsChan, func(event interface{}) {
@@ -93,7 +93,7 @@ func TestDebounce_SingleHandlerInvocation(t *testing.T) {
 
 func TestDebounce_MultipleHandlerInvocation(t *testing.T) {
 	eventsChan := make(chan interface{}, 100)
-	ctx, cancel := context.WithCancel(t.Context())
+	ctx, cancel := context.WithCancel(context.Background())
 	interval := time.Second
 	timesHandled := int32(0)
 	go async.Debounce(ctx, interval, eventsChan, func(event interface{}) {

async/every.go

@@ -19,10 +19,10 @@ func RunEvery(ctx context.Context, period time.Duration, f func()) {
 		for {
 			select {
 			case <-ticker.C:
-				log.WithField("function", funcName).Trace("Running")
+				log.WithField("function", funcName).Trace("running")
 				f()
 			case <-ctx.Done():
-				log.WithField("function", funcName).Debug("Context is closed, exiting")
+				log.WithField("function", funcName).Debug("context is closed, exiting")
 				ticker.Stop()
 				return
 			}

async/every_test.go

@@ -10,7 +10,7 @@ import (
 )
 
 func TestEveryRuns(t *testing.T) {
-	ctx, cancel := context.WithCancel(t.Context())
+	ctx, cancel := context.WithCancel(context.Background())
 
 	i := int32(0)
 	async.RunEvery(ctx, 100*time.Millisecond, func() {

beacon-chain/blockchain/BUILD.bazel

@@ -73,7 +73,6 @@ go_library(
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/stategen:go_default_library",
         "//beacon-chain/verification:go_default_library",
-        "//cmd/beacon-chain/flags:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
@@ -182,7 +181,6 @@ go_test(
         "//container/trie:go_default_library",
         "//crypto/bls:go_default_library",
         "//encoding/bytesutil:go_default_library",
-        "//genesis:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/eth/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
@@ -196,7 +194,6 @@ go_test(
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_ethereum_go_ethereum//core/types:go_default_library",
         "@com_github_holiman_uint256//:go_default_library",
-        "@com_github_libp2p_go_libp2p//core/peer:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",

beacon-chain/blockchain/chain_info.go

@@ -41,7 +41,7 @@ type ForkchoiceFetcher interface {
 	Ancestor(context.Context, []byte, primitives.Slot) ([]byte, error)
 	CachedHeadRoot() [32]byte
 	GetProposerHead() [32]byte
-	SetForkChoiceGenesisTime(time.Time)
+	SetForkChoiceGenesisTime(uint64)
 	UpdateHead(context.Context, primitives.Slot)
 	HighestReceivedBlockSlot() primitives.Slot
 	ReceivedBlocksLastEpoch() (uint64, error)
@@ -514,7 +514,7 @@ func (s *Service) Ancestor(ctx context.Context, root []byte, slot primitives.Slo
 
 // SetGenesisTime sets the genesis time of beacon chain.
 func (s *Service) SetGenesisTime(t time.Time) {
-	s.genesisTime = t.Truncate(time.Second) // Genesis time has a precision of 1 second.
+	s.genesisTime = t
 }
 
 func (s *Service) recoverStateSummary(ctx context.Context, blockRoot [32]byte) (*ethpb.StateSummary, error) {

beacon-chain/blockchain/chain_info_forkchoice.go

@@ -2,7 +2,6 @@ package blockchain
 
 import (
 	"context"
-	"time"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
 	consensus_blocks "github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
@@ -28,7 +27,7 @@ func (s *Service) GetProposerHead() [32]byte {
 }
 
 // SetForkChoiceGenesisTime sets the genesis time in Forkchoice
-func (s *Service) SetForkChoiceGenesisTime(timestamp time.Time) {
+func (s *Service) SetForkChoiceGenesisTime(timestamp uint64) {
 	s.cfg.ForkChoiceStore.Lock()
 	defer s.cfg.ForkChoiceStore.Unlock()
 	s.cfg.ForkChoiceStore.SetGenesisTime(timestamp)

beacon-chain/blockchain/chain_info_norace_test.go

@@ -1,8 +1,12 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/stategen"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
@@ -11,71 +15,82 @@ import (
 )
 
 func TestHeadSlot_DataRace(t *testing.T) {
-	s := testServiceWithDB(t)
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg: &config{BeaconDB: beaconDB},
+	}
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
 	st, _ := util.DeterministicGenesisState(t, 1)
 	wait := make(chan struct{})
 	go func() {
 		defer close(wait)
-		require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+		require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 	}()
 	s.HeadSlot()
 	<-wait
 }
 
 func TestHeadRoot_DataRace(t *testing.T) {
-	s := testServiceWithDB(t)
-	s.head = &head{root: [32]byte{'A'}}
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg:  &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB, doublylinkedtree.New())},
+		head: &head{root: [32]byte{'A'}},
+	}
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
 	wait := make(chan struct{})
 	st, _ := util.DeterministicGenesisState(t, 1)
 	go func() {
 		defer close(wait)
-		require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+		require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 
 	}()
-	_, err = s.HeadRoot(t.Context())
+	_, err = s.HeadRoot(context.Background())
 	require.NoError(t, err)
 	<-wait
 }
 
 func TestHeadBlock_DataRace(t *testing.T) {
+	beaconDB := testDB.SetupDB(t)
 	wsb, err := blocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Body: &ethpb.BeaconBlockBody{}}})
 	require.NoError(t, err)
-	s := testServiceWithDB(t)
-	s.head = &head{block: wsb}
+	s := &Service{
+		cfg:  &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB, doublylinkedtree.New())},
+		head: &head{block: wsb},
+	}
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
 	wait := make(chan struct{})
 	st, _ := util.DeterministicGenesisState(t, 1)
 	go func() {
 		defer close(wait)
-		require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+		require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 
 	}()
-	_, err = s.HeadBlock(t.Context())
+	_, err = s.HeadBlock(context.Background())
 	require.NoError(t, err)
 	<-wait
 }
 
 func TestHeadState_DataRace(t *testing.T) {
-	s := testServiceWithDB(t)
-	beaconDB := s.cfg.BeaconDB
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg: &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB, doublylinkedtree.New())},
+	}
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
 	wait := make(chan struct{})
 	st, _ := util.DeterministicGenesisState(t, 1)
 	root := bytesutil.ToBytes32(bytesutil.PadTo([]byte{'s'}, 32))
-	require.NoError(t, beaconDB.SaveGenesisBlockRoot(t.Context(), root))
-	require.NoError(t, beaconDB.SaveState(t.Context(), st, root))
+	require.NoError(t, beaconDB.SaveGenesisBlockRoot(context.Background(), root))
+	require.NoError(t, beaconDB.SaveState(context.Background(), st, root))
 	go func() {
 		defer close(wait)
-		require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+		require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 
 	}()
-	_, err = s.HeadState(t.Context())
+	_, err = s.HeadState(context.Background())
 	require.NoError(t, err)
 	<-wait
 }

beacon-chain/blockchain/chain_info_test.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
 	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
 	state_native "github.com/OffchainLabs/prysm/v6/beacon-chain/state/state-native"
@@ -14,7 +15,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v6/genesis"
 	enginev1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
@@ -84,7 +84,7 @@ func prepareForkchoiceState(
 func TestHeadRoot_Nil(t *testing.T) {
 	beaconDB := testDB.SetupDB(t)
 	c := setupBeaconChain(t, beaconDB)
-	headRoot, err := c.HeadRoot(t.Context())
+	headRoot, err := c.HeadRoot(context.Background())
 	require.NoError(t, err)
 	assert.DeepEqual(t, params.BeaconConfig().ZeroHash[:], headRoot, "Incorrect pre chain start value")
 }
@@ -137,8 +137,8 @@ func TestFinalizedBlockHash(t *testing.T) {
 }
 
 func TestUnrealizedJustifiedBlockHash(t *testing.T) {
-	ctx := t.Context()
-	service := testServiceWithDB(t)
+	ctx := context.Background()
+	service := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}}
 	ojc := &ethpb.Checkpoint{Root: []byte{'j'}}
 	ofc := &ethpb.Checkpoint{Root: []byte{'f'}}
 	st, roblock, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
@@ -153,7 +153,7 @@ func TestUnrealizedJustifiedBlockHash(t *testing.T) {
 }
 
 func TestHeadSlot_CanRetrieve(t *testing.T) {
-	c := testServiceNoDB(t)
+	c := &Service{}
 	s, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{})
 	require.NoError(t, err)
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
@@ -200,10 +200,10 @@ func TestHeadBlock_CanRetrieve(t *testing.T) {
 	require.NoError(t, err)
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{block: wsb, state: s}
 
-	received, err := c.HeadBlock(t.Context())
+	received, err := c.HeadBlock(context.Background())
 	require.NoError(t, err)
 	pb, err := received.Proto()
 	require.NoError(t, err)
@@ -213,16 +213,15 @@ func TestHeadBlock_CanRetrieve(t *testing.T) {
 func TestHeadState_CanRetrieve(t *testing.T) {
 	s, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{Slot: 2, GenesisValidatorsRoot: params.BeaconConfig().ZeroHash[:]})
 	require.NoError(t, err)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
-	headState, err := c.HeadState(t.Context())
+	headState, err := c.HeadState(context.Background())
 	require.NoError(t, err)
 	assert.DeepEqual(t, headState.ToProtoUnsafe(), s.ToProtoUnsafe(), "Incorrect head state received")
 }
 
 func TestGenesisTime_CanRetrieve(t *testing.T) {
-	c := testServiceNoDB(t)
-	c.genesisTime = time.Unix(999, 0)
+	c := &Service{genesisTime: time.Unix(999, 0)}
 	wanted := time.Unix(999, 0)
 	assert.Equal(t, wanted, c.GenesisTime(), "Did not get wanted genesis time")
 }
@@ -231,7 +230,7 @@ func TestCurrentFork_CanRetrieve(t *testing.T) {
 	f := &ethpb.Fork{Epoch: 999}
 	s, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{Fork: f})
 	require.NoError(t, err)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 	if !proto.Equal(c.CurrentFork(), f) {
 		t.Error("Received incorrect fork version")
@@ -243,7 +242,7 @@ func TestCurrentFork_NilHeadSTate(t *testing.T) {
 		PreviousVersion: params.BeaconConfig().GenesisForkVersion,
 		CurrentVersion:  params.BeaconConfig().GenesisForkVersion,
 	}
-	c := testServiceNoDB(t)
+	c := &Service{}
 	if !proto.Equal(c.CurrentFork(), f) {
 		t.Error("Received incorrect fork version")
 	}
@@ -251,7 +250,7 @@ func TestCurrentFork_NilHeadSTate(t *testing.T) {
 
 func TestGenesisValidatorsRoot_CanRetrieve(t *testing.T) {
 	// Should not panic if head state is nil.
-	c := testServiceNoDB(t)
+	c := &Service{}
 	assert.Equal(t, [32]byte{}, c.GenesisValidatorsRoot(), "Did not get correct genesis validators root")
 
 	s, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{GenesisValidatorsRoot: []byte{'a'}})
@@ -270,7 +269,7 @@ func TestHeadETH1Data_CanRetrieve(t *testing.T) {
 	d := &ethpb.Eth1Data{DepositCount: 999}
 	s, err := state_native.InitializeFromProtoPhase0(&ethpb.BeaconState{Eth1Data: d})
 	require.NoError(t, err)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 	if !proto.Equal(c.HeadETH1Data(), d) {
 		t.Error("Received incorrect eth1 data")
@@ -278,7 +277,7 @@ func TestHeadETH1Data_CanRetrieve(t *testing.T) {
 }
 
 func TestIsCanonical_Ok(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	c := setupBeaconChain(t, beaconDB)
 
@@ -299,22 +298,22 @@ func TestIsCanonical_Ok(t *testing.T) {
 
 func TestService_HeadValidatorsIndices(t *testing.T) {
 	s, _ := util.DeterministicGenesisState(t, 10)
-	c := testServiceNoDB(t)
+	c := &Service{}
 
 	c.head = &head{}
-	indices, err := c.HeadValidatorsIndices(t.Context(), 0)
+	indices, err := c.HeadValidatorsIndices(context.Background(), 0)
 	require.NoError(t, err)
 	require.Equal(t, 0, len(indices))
 
 	c.head = &head{state: s}
-	indices, err = c.HeadValidatorsIndices(t.Context(), 0)
+	indices, err = c.HeadValidatorsIndices(context.Background(), 0)
 	require.NoError(t, err)
 	require.Equal(t, 10, len(indices))
 }
 
 func TestService_HeadGenesisValidatorsRoot(t *testing.T) {
 	s, _ := util.DeterministicGenesisState(t, 1)
-	c := testServiceNoDB(t)
+	c := &Service{}
 
 	c.head = &head{}
 	root := c.HeadGenesisValidatorsRoot()
@@ -332,8 +331,8 @@ func TestService_HeadGenesisValidatorsRoot(t *testing.T) {
 //     ---------- D
 
 func TestService_ChainHeads(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
+	ctx := context.Background()
+	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}}
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	st, roblock, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
@@ -367,7 +366,7 @@ func TestService_ChainHeads(t *testing.T) {
 
 func TestService_HeadPublicKeyToValidatorIndex(t *testing.T) {
 	s, _ := util.DeterministicGenesisState(t, 10)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 
 	_, e := c.HeadPublicKeyToValidatorIndex([fieldparams.BLSPubkeyLength]byte{})
@@ -382,7 +381,7 @@ func TestService_HeadPublicKeyToValidatorIndex(t *testing.T) {
 }
 
 func TestService_HeadPublicKeyToValidatorIndexNil(t *testing.T) {
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = nil
 
 	idx, e := c.HeadPublicKeyToValidatorIndex([fieldparams.BLSPubkeyLength]byte{})
@@ -397,10 +396,10 @@ func TestService_HeadPublicKeyToValidatorIndexNil(t *testing.T) {
 
 func TestService_HeadValidatorIndexToPublicKey(t *testing.T) {
 	s, _ := util.DeterministicGenesisState(t, 10)
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 
-	p, err := c.HeadValidatorIndexToPublicKey(t.Context(), 0)
+	p, err := c.HeadValidatorIndexToPublicKey(context.Background(), 0)
 	require.NoError(t, err)
 
 	v, err := s.ValidatorAtIndex(0)
@@ -410,15 +409,15 @@ func TestService_HeadValidatorIndexToPublicKey(t *testing.T) {
 }
 
 func TestService_HeadValidatorIndexToPublicKeyNil(t *testing.T) {
-	c := testServiceNoDB(t)
+	c := &Service{}
 	c.head = nil
 
-	p, err := c.HeadValidatorIndexToPublicKey(t.Context(), 0)
+	p, err := c.HeadValidatorIndexToPublicKey(context.Background(), 0)
 	require.NoError(t, err)
 	require.Equal(t, [fieldparams.BLSPubkeyLength]byte{}, p)
 
 	c.head = &head{state: nil}
-	p, err = c.HeadValidatorIndexToPublicKey(t.Context(), 0)
+	p, err = c.HeadValidatorIndexToPublicKey(context.Background(), 0)
 	require.NoError(t, err)
 	require.Equal(t, [fieldparams.BLSPubkeyLength]byte{}, p)
 }
@@ -429,12 +428,10 @@ func TestService_IsOptimistic(t *testing.T) {
 	cfg.BellatrixForkEpoch = 0
 	params.OverrideBeaconConfig(cfg)
 
-	ctx := t.Context()
+	ctx := context.Background()
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
-	c := testServiceWithDB(t)
-	c.SetGenesisTime(time.Now())
-	c.head = &head{root: [32]byte{'b'}}
+	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	st, roblock, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
 	require.NoError(t, err)
 	require.NoError(t, c.cfg.ForkChoiceStore.InsertNode(ctx, st, roblock))
@@ -453,24 +450,22 @@ func TestService_IsOptimistic(t *testing.T) {
 	require.Equal(t, true, opt)
 
 	// If head is nil, for some reason, an error should be returned rather than panic.
-	c = testServiceNoDB(t)
+	c = &Service{}
 	_, err = c.IsOptimistic(ctx)
 	require.ErrorIs(t, err, ErrNilHead)
 }
 
 func TestService_IsOptimisticBeforeBellatrix(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceNoDB(t)
-	c.genesisTime = time.Now()
+	ctx := context.Background()
+	c := &Service{genesisTime: time.Now()}
 	opt, err := c.IsOptimistic(ctx)
 	require.NoError(t, err)
 	require.Equal(t, false, opt)
 }
 
 func TestService_IsOptimisticForRoot(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
-	c.head = &head{root: [32]byte{'b'}}
+	ctx := context.Background()
+	c := &Service{cfg: &config{ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	st, roblock, err := prepareForkchoiceState(ctx, 100, [32]byte{'a'}, [32]byte{}, params.BeaconConfig().ZeroHash, ojc, ofc)
@@ -486,29 +481,28 @@ func TestService_IsOptimisticForRoot(t *testing.T) {
 }
 
 func TestService_IsOptimisticForRoot_DB(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
-	c.head = &head{root: [32]byte{'b'}}
-	beaconDB := c.cfg.BeaconDB
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+	c := &Service{cfg: &config{BeaconDB: beaconDB, ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	c.head = &head{root: params.BeaconConfig().ZeroHash}
 	b := util.NewBeaconBlock()
 	b.Block.Slot = 10
 	br, err := b.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, b)
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: br[:], Slot: 10}))
+	util.SaveBlock(t, context.Background(), beaconDB, b)
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: br[:], Slot: 10}))
 
 	optimisticBlock := util.NewBeaconBlock()
 	optimisticBlock.Block.Slot = 97
 	optimisticRoot, err := optimisticBlock.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, optimisticBlock)
+	util.SaveBlock(t, context.Background(), beaconDB, optimisticBlock)
 
 	validatedBlock := util.NewBeaconBlock()
 	validatedBlock.Block.Slot = 9
 	validatedRoot, err := validatedBlock.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, validatedBlock)
+	util.SaveBlock(t, context.Background(), beaconDB, validatedBlock)
 
 	validatedCheckpoint := &ethpb.Checkpoint{Root: br[:]}
 	require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
@@ -530,48 +524,48 @@ func TestService_IsOptimisticForRoot_DB(t *testing.T) {
 	// Before the first finalized epoch, finalized root could be zeros.
 	validatedCheckpoint = &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, br))
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: params.BeaconConfig().ZeroHash[:], Slot: 10}))
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: params.BeaconConfig().ZeroHash[:], Slot: 10}))
 	require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
 
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
 	optimistic, err = c.IsOptimisticForRoot(ctx, optimisticRoot)
 	require.NoError(t, err)
 	require.Equal(t, true, optimistic)
 }
 
 func TestService_IsOptimisticForRoot_DB_non_canonical(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
-	beaconDB := c.cfg.BeaconDB
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+	c := &Service{cfg: &config{BeaconDB: beaconDB, ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	c.head = &head{root: params.BeaconConfig().ZeroHash}
 	b := util.NewBeaconBlock()
 	b.Block.Slot = 10
 	br, err := b.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, b)
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: br[:], Slot: 10}))
+	util.SaveBlock(t, context.Background(), beaconDB, b)
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: br[:], Slot: 10}))
 
 	optimisticBlock := util.NewBeaconBlock()
 	optimisticBlock.Block.Slot = 97
 	optimisticRoot, err := optimisticBlock.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, optimisticBlock)
+	util.SaveBlock(t, context.Background(), beaconDB, optimisticBlock)
 
 	validatedBlock := util.NewBeaconBlock()
 	validatedBlock.Block.Slot = 9
 	validatedRoot, err := validatedBlock.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, validatedBlock)
+	util.SaveBlock(t, context.Background(), beaconDB, validatedBlock)
 
 	validatedCheckpoint := &ethpb.Checkpoint{Root: br[:]}
 	require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
 
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
 	optimistic, err := c.IsOptimisticForRoot(ctx, optimisticRoot)
 	require.NoError(t, err)
 	require.Equal(t, true, optimistic)
 
-	require.NoError(t, beaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Root: validatedRoot[:], Slot: 9}))
+	require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: validatedRoot[:], Slot: 9}))
 	validated, err := c.IsOptimisticForRoot(ctx, validatedRoot)
 	require.NoError(t, err)
 	require.Equal(t, true, validated)
@@ -579,15 +573,15 @@ func TestService_IsOptimisticForRoot_DB_non_canonical(t *testing.T) {
 }
 
 func TestService_IsOptimisticForRoot_StateSummaryRecovered(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
-	beaconDB := c.cfg.BeaconDB
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+	c := &Service{cfg: &config{BeaconDB: beaconDB, ForkChoiceStore: doublylinkedtree.New()}, head: &head{root: [32]byte{'b'}}}
 	c.head = &head{root: params.BeaconConfig().ZeroHash}
 	b := util.NewBeaconBlock()
 	b.Block.Slot = 10
 	br, err := b.Block.HashTreeRoot()
 	require.NoError(t, err)
-	util.SaveBlock(t, t.Context(), beaconDB, b)
+	util.SaveBlock(t, context.Background(), beaconDB, b)
 	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, [32]byte{}))
 	_, err = c.IsOptimisticForRoot(ctx, br)
 	assert.NoError(t, err)
@@ -599,9 +593,9 @@ func TestService_IsOptimisticForRoot_StateSummaryRecovered(t *testing.T) {
 }
 
 func TestService_IsFinalized(t *testing.T) {
-	ctx := t.Context()
-	c := testServiceWithDB(t)
-	beaconDB := c.cfg.BeaconDB
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+	c := &Service{cfg: &config{BeaconDB: beaconDB, ForkChoiceStore: doublylinkedtree.New()}}
 	r1 := [32]byte{'a'}
 	require.NoError(t, c.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(&forkchoicetypes.Checkpoint{
 		Root: r1,
@@ -622,10 +616,9 @@ func TestService_IsFinalized(t *testing.T) {
 
 func Test_hashForGenesisRoot(t *testing.T) {
 	beaconDB := testDB.SetupDB(t)
-	ctx := t.Context()
+	ctx := context.Background()
 	c := setupBeaconChain(t, beaconDB)
 	st, _ := util.DeterministicGenesisStateElectra(t, 10)
-	genesis.StoreDuringTest(t, genesis.GenesisData{State: st})
 	require.NoError(t, c.cfg.BeaconDB.SaveGenesisData(ctx, st))
 	root, err := beaconDB.GenesisBlockRoot(ctx)
 	require.NoError(t, err)

beacon-chain/blockchain/defragment.go

@@ -2,6 +2,7 @@ package blockchain
 
 import (
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/features"
 	"github.com/OffchainLabs/prysm/v6/time"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
@@ -16,6 +17,9 @@ var stateDefragmentationTime = promauto.NewSummary(prometheus.SummaryOpts{
 // a higher number of fragmented indexes are reallocated to a new separate slice for
 // that field.
 func (s *Service) defragmentState(st state.BeaconState) {
+	if !features.Get().EnableExperimentalState {
+		return
+	}
 	startTime := time.Now()
 	st.Defragment()
 	elapsedTime := time.Since(startTime)

beacon-chain/blockchain/execution_engine.go

@@ -141,7 +141,7 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *fcuConfig) (*
 			}
 
 			if err := s.saveHead(ctx, r, b, st); err != nil {
-				log.WithError(err).Error("Could not save head after pruning invalid blocks")
+				log.WithError(err).Error("could not save head after pruning invalid blocks")
 			}
 
 			log.WithFields(logrus.Fields{
@@ -174,7 +174,6 @@ func (s *Service) notifyForkchoiceUpdate(ctx context.Context, arg *fcuConfig) (*
 			"payloadID": fmt.Sprintf("%#x", bytesutil.Trunc(payloadID[:])),
 		}).Info("Forkchoice updated with payload attributes for proposal")
 		s.cfg.PayloadIDCache.Set(nextSlot, arg.headRoot, pId)
-		go s.firePayloadAttributesEvent(s.cfg.StateNotifier.StateFeed(), arg.headBlock, arg.headRoot, nextSlot)
 	} else if hasAttr && payloadID == nil && !features.Get().PrepareAllPayloads {
 		log.WithFields(logrus.Fields{
 			"blockHash": fmt.Sprintf("%#x", headPayload.BlockHash()),
@@ -355,7 +354,7 @@ func (s *Service) getPayloadAttribute(ctx context.Context, st state.BeaconState,
 	}
 
 	// Get timestamp.
-	t, err := slots.StartTime(s.genesisTime, slot)
+	t, err := slots.ToTime(uint64(s.genesisTime.Unix()), slot)
 	if err != nil {
 		log.WithError(err).Error("Could not get timestamp to get payload attribute")
 		return emptyAttri

beacon-chain/blockchain/execution_engine_test.go

@@ -19,7 +19,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v6/genesis"
 	v1 "github.com/OffchainLabs/prysm/v6/proto/engine/v1"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
@@ -310,7 +309,6 @@ func Test_NotifyForkchoiceUpdate_NIlLVH(t *testing.T) {
 		block: wba,
 	}
 
-	genesis.StoreStateDuringTest(t, st)
 	require.NoError(t, beaconDB.SaveState(ctx, st, bra))
 	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, bra))
 	a := &fcuConfig{
@@ -405,7 +403,6 @@ func Test_NotifyForkchoiceUpdateRecursive_DoublyLinkedTree(t *testing.T) {
 	require.NoError(t, err)
 
 	bState, _ := util.DeterministicGenesisState(t, 10)
-	genesis.StoreStateDuringTest(t, bState)
 	require.NoError(t, beaconDB.SaveState(ctx, bState, bra))
 	require.NoError(t, fcs.InsertNode(ctx, state, blkRoot))
 	state, blkRoot, err = prepareForkchoiceState(ctx, 2, brb, bra, [32]byte{'B'}, ojc, ofc)

beacon-chain/blockchain/forkchoice_update_execution.go

@@ -76,14 +76,14 @@ func (s *Service) sendFCUWithAttributes(cfg *postBlockProcessConfig, fcuArgs *fc
 	s.cfg.ForkChoiceStore.RLock()
 	defer s.cfg.ForkChoiceStore.RUnlock()
 	if err := s.computePayloadAttributes(cfg, fcuArgs); err != nil {
-		log.WithError(err).Error("Could not compute payload attributes")
+		log.WithError(err).Error("could not compute payload attributes")
 		return
 	}
 	if fcuArgs.attributes.IsEmpty() {
 		return
 	}
 	if _, err := s.notifyForkchoiceUpdate(cfg.ctx, fcuArgs); err != nil {
-		log.WithError(err).Error("Could not update forkchoice with payload attributes for proposal")
+		log.WithError(err).Error("could not update forkchoice with payload attributes for proposal")
 	}
 }
 
@@ -99,9 +99,11 @@ func (s *Service) forkchoiceUpdateWithExecution(ctx context.Context, args *fcuCo
 	}
 
 	if err := s.saveHead(ctx, args.headRoot, args.headBlock, args.headState); err != nil {
-		log.WithError(err).Error("Could not save head")
+		log.WithError(err).Error("could not save head")
 	}
 
+	go s.firePayloadAttributesEvent(s.cfg.StateNotifier.StateFeed(), args.headBlock, args.headRoot, s.CurrentSlot()+1)
+
 	// Only need to prune attestations from pool if the head has changed.
 	s.pruneAttsFromPool(s.ctx, args.headState, args.headBlock)
 	return nil
@@ -112,7 +114,7 @@ func (s *Service) forkchoiceUpdateWithExecution(ctx context.Context, args *fcuCo
 func (s *Service) shouldOverrideFCU(newHeadRoot [32]byte, proposingSlot primitives.Slot) bool {
 	headWeight, err := s.cfg.ForkChoiceStore.Weight(newHeadRoot)
 	if err != nil {
-		log.WithError(err).WithField("root", fmt.Sprintf("%#x", newHeadRoot)).Warn("Could not determine node weight")
+		log.WithError(err).WithField("root", fmt.Sprintf("%#x", newHeadRoot)).Warn("could not determine node weight")
 	}
 	currentSlot := s.CurrentSlot()
 	if proposingSlot == currentSlot {
@@ -130,17 +132,17 @@ func (s *Service) shouldOverrideFCU(newHeadRoot [32]byte, proposingSlot primitiv
 		if s.cfg.ForkChoiceStore.ShouldOverrideFCU() {
 			return true
 		}
-		sss, err := slots.SinceSlotStart(currentSlot, s.genesisTime, time.Now())
+		secs, err := slots.SecondsSinceSlotStart(currentSlot,
+			uint64(s.genesisTime.Unix()), uint64(time.Now().Unix()))
 		if err != nil {
-			log.WithError(err).Error("Could not compute seconds since slot start")
+			log.WithError(err).Error("could not compute seconds since slot start")
 		}
-		if sss >= doublylinkedtree.ProcessAttestationsThreshold {
+		if secs >= doublylinkedtree.ProcessAttestationsThreshold {
 			log.WithFields(logrus.Fields{
-				"root":           fmt.Sprintf("%#x", newHeadRoot),
-				"weight":         headWeight,
-				"sinceSlotStart": sss,
-				"threshold":      doublylinkedtree.ProcessAttestationsThreshold,
-			}).Info("Attempted late block reorg aborted due to attestations after threshold")
+				"root":   fmt.Sprintf("%#x", newHeadRoot),
+				"weight": headWeight,
+			}).Infof("Attempted late block reorg aborted due to attestations at %d seconds",
+				doublylinkedtree.ProcessAttestationsThreshold)
 			lateBlockFailedAttemptFirstThreshold.Inc()
 		}
 	}

beacon-chain/blockchain/forkchoice_update_execution_test.go

@@ -1,6 +1,7 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -35,29 +36,29 @@ func TestService_isNewHead(t *testing.T) {
 func TestService_getHeadStateAndBlock(t *testing.T) {
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
-	_, _, err := service.getStateAndBlock(t.Context(), [32]byte{})
+	_, _, err := service.getStateAndBlock(context.Background(), [32]byte{})
 	require.ErrorContains(t, "block does not exist", err)
 
 	blk, err := blocks.NewSignedBeaconBlock(util.HydrateSignedBeaconBlock(&ethpb.SignedBeaconBlock{Signature: []byte{1}}))
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.BeaconDB.SaveBlock(t.Context(), blk))
+	require.NoError(t, service.cfg.BeaconDB.SaveBlock(context.Background(), blk))
 
 	st, _ := util.DeterministicGenesisState(t, 1)
 	r, err := blk.Block().HashTreeRoot()
 	require.NoError(t, err)
-	require.NoError(t, service.cfg.BeaconDB.SaveState(t.Context(), st, r))
+	require.NoError(t, service.cfg.BeaconDB.SaveState(context.Background(), st, r))
 
-	gotState, err := service.cfg.BeaconDB.State(t.Context(), r)
+	gotState, err := service.cfg.BeaconDB.State(context.Background(), r)
 	require.NoError(t, err)
 	require.DeepEqual(t, st.ToProto(), gotState.ToProto())
 
-	gotBlk, err := service.cfg.BeaconDB.Block(t.Context(), r)
+	gotBlk, err := service.cfg.BeaconDB.Block(context.Background(), r)
 	require.NoError(t, err)
 	require.DeepEqual(t, blk, gotBlk)
 }
 
 func TestService_forkchoiceUpdateWithExecution_exceptionalCases(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	opts := testServiceOptsWithDB(t)
 
 	service, err := NewService(ctx, opts...)
@@ -160,7 +161,6 @@ func TestShouldOverrideFCU(t *testing.T) {
 	ctx, fcs := tr.ctx, tr.fcs
 
 	service.SetGenesisTime(time.Now().Add(-time.Duration(2*params.BeaconConfig().SecondsPerSlot) * time.Second))
-	fcs.SetGenesisTime(time.Now().Add(-time.Duration(2*params.BeaconConfig().SecondsPerSlot) * time.Second))
 	headRoot := [32]byte{'b'}
 	parentRoot := [32]byte{'a'}
 	ojc := &ethpb.Checkpoint{}
@@ -181,12 +181,11 @@ func TestShouldOverrideFCU(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, headRoot, head)
 
-	wantLog := "aborted due to attestations after threshold"
-	fcs.SetGenesisTime(time.Now().Add(-29 * time.Second))
+	fcs.SetGenesisTime(uint64(time.Now().Unix()) - 29)
 	require.Equal(t, true, service.shouldOverrideFCU(parentRoot, 3))
-	require.LogsDoNotContain(t, hook, wantLog)
-	fcs.SetGenesisTime(time.Now().Add(-24 * time.Second))
+	require.LogsDoNotContain(t, hook, "10 seconds")
+	fcs.SetGenesisTime(uint64(time.Now().Unix()) - 24)
 	service.SetGenesisTime(time.Now().Add(-time.Duration(2*params.BeaconConfig().SecondsPerSlot+10) * time.Second))
 	require.Equal(t, false, service.shouldOverrideFCU(parentRoot, 3))
-	require.LogsContain(t, hook, wantLog)
+	require.LogsContain(t, hook, "10 seconds")
 }

beacon-chain/blockchain/head.go

@@ -98,7 +98,7 @@ func (s *Service) saveHead(ctx context.Context, newHeadRoot [32]byte, headBlock
 	oldHeadRoot := bytesutil.ToBytes32(r)
 	isOptimistic, err := s.cfg.ForkChoiceStore.IsOptimistic(newHeadRoot)
 	if err != nil {
-		log.WithError(err).Error("Could not check if node is optimistically synced")
+		log.WithError(err).Error("could not check if node is optimistically synced")
 	}
 	if headBlock.Block().ParentRoot() != oldHeadRoot {
 		// A chain re-org occurred, so we fire an event notifying the rest of the services.
@@ -111,11 +111,11 @@ func (s *Service) saveHead(ctx context.Context, newHeadRoot [32]byte, headBlock
 		dep := math.Max(uint64(headSlot-forkSlot), uint64(newHeadSlot-forkSlot))
 		oldWeight, err := s.cfg.ForkChoiceStore.Weight(oldHeadRoot)
 		if err != nil {
-			log.WithField("root", fmt.Sprintf("%#x", oldHeadRoot)).Warn("Could not determine node weight")
+			log.WithField("root", fmt.Sprintf("%#x", oldHeadRoot)).Warn("could not determine node weight")
 		}
 		newWeight, err := s.cfg.ForkChoiceStore.Weight(newHeadRoot)
 		if err != nil {
-			log.WithField("root", fmt.Sprintf("%#x", newHeadRoot)).Warn("Could not determine node weight")
+			log.WithField("root", fmt.Sprintf("%#x", newHeadRoot)).Warn("could not determine node weight")
 		}
 		log.WithFields(logrus.Fields{
 			"newSlot":            fmt.Sprintf("%d", newHeadSlot),

beacon-chain/blockchain/head_sync_committee_info.go

@@ -18,6 +18,9 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Initialize the state cache for sync committees.
+var syncCommitteeHeadStateCache = cache.NewSyncCommitteeHeadState()
+
 // HeadSyncCommitteeFetcher is the interface that wraps the head sync committee related functions.
 // The head sync committee functions return callers sync committee indices and public keys with respect to current head state.
 type HeadSyncCommitteeFetcher interface {
@@ -140,7 +143,7 @@ func (s *Service) getSyncCommitteeHeadState(ctx context.Context, slot primitives
 	defer mLock.Unlock()
 
 	// If there's already a head state exists with the request slot, we don't need to process slots.
-	cachedState, err := s.syncCommitteeHeadState.Get(slot)
+	cachedState, err := syncCommitteeHeadStateCache.Get(slot)
 	switch {
 	case err == nil:
 		syncHeadStateHit.Inc()
@@ -163,7 +166,7 @@ func (s *Service) getSyncCommitteeHeadState(ctx context.Context, slot primitives
 			return nil, err
 		}
 		syncHeadStateMiss.Inc()
-		err = s.syncCommitteeHeadState.Put(slot, headState)
+		err = syncCommitteeHeadStateCache.Put(slot, headState)
 		return headState, err
 	default:
 		// In the event, we encounter another error

beacon-chain/blockchain/head_sync_committee_info_test.go

@@ -1,10 +1,12 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/signing"
+	dbTest "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
 	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
@@ -14,35 +16,35 @@ import (
 
 func TestService_HeadSyncCommitteeIndices(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{cfg: &config{BeaconDB: dbTest.SetupDB(t)}}
 	c.head = &head{state: s}
 
 	// Current period
 	slot := 2*uint64(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) + 1
-	a, err := c.HeadSyncCommitteeIndices(t.Context(), 0, primitives.Slot(slot))
+	a, err := c.HeadSyncCommitteeIndices(context.Background(), 0, primitives.Slot(slot))
 	require.NoError(t, err)
 
 	// Current period where slot-2 across EPOCHS_PER_SYNC_COMMITTEE_PERIOD
 	slot = 3*uint64(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) - 2
-	b, err := c.HeadSyncCommitteeIndices(t.Context(), 0, primitives.Slot(slot))
+	b, err := c.HeadSyncCommitteeIndices(context.Background(), 0, primitives.Slot(slot))
 	require.NoError(t, err)
 	require.DeepEqual(t, a, b)
 
 	// Next period where slot-1 across EPOCHS_PER_SYNC_COMMITTEE_PERIOD
 	slot = 3*uint64(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) - 1
-	b, err = c.HeadSyncCommitteeIndices(t.Context(), 0, primitives.Slot(slot))
+	b, err = c.HeadSyncCommitteeIndices(context.Background(), 0, primitives.Slot(slot))
 	require.NoError(t, err)
 	require.DeepNotEqual(t, a, b)
 }
 
 func TestService_headCurrentSyncCommitteeIndices(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{cfg: &config{BeaconDB: dbTest.SetupDB(t)}}
 	c.head = &head{state: s}
 
 	// Process slot up to `EpochsPerSyncCommitteePeriod` so it can `ProcessSyncCommitteeUpdates`.
 	slot := uint64(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) + 1
-	indices, err := c.headCurrentSyncCommitteeIndices(t.Context(), 0, primitives.Slot(slot))
+	indices, err := c.headCurrentSyncCommitteeIndices(context.Background(), 0, primitives.Slot(slot))
 	require.NoError(t, err)
 
 	// NextSyncCommittee becomes CurrentSyncCommittee so it should be empty by default.
@@ -51,12 +53,12 @@ func TestService_headCurrentSyncCommitteeIndices(t *testing.T) {
 
 func TestService_headNextSyncCommitteeIndices(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 
 	// Process slot up to `EpochsPerSyncCommitteePeriod` so it can `ProcessSyncCommitteeUpdates`.
 	slot := uint64(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) + 1
-	indices, err := c.headNextSyncCommitteeIndices(t.Context(), 0, primitives.Slot(slot))
+	indices, err := c.headNextSyncCommitteeIndices(context.Background(), 0, primitives.Slot(slot))
 	require.NoError(t, err)
 
 	// NextSyncCommittee should be empty after `ProcessSyncCommitteeUpdates`. Validator should get indices.
@@ -65,12 +67,12 @@ func TestService_headNextSyncCommitteeIndices(t *testing.T) {
 
 func TestService_HeadSyncCommitteePubKeys(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{cfg: &config{BeaconDB: dbTest.SetupDB(t)}}
 	c.head = &head{state: s}
 
 	// Process slot up to 2 * `EpochsPerSyncCommitteePeriod` so it can run `ProcessSyncCommitteeUpdates` twice.
 	slot := uint64(2*params.BeaconConfig().EpochsPerSyncCommitteePeriod)*uint64(params.BeaconConfig().SlotsPerEpoch) + 1
-	pubkeys, err := c.HeadSyncCommitteePubKeys(t.Context(), primitives.Slot(slot), 0)
+	pubkeys, err := c.HeadSyncCommitteePubKeys(context.Background(), primitives.Slot(slot), 0)
 	require.NoError(t, err)
 
 	// Any subcommittee should match the subcommittee size.
@@ -80,13 +82,13 @@ func TestService_HeadSyncCommitteePubKeys(t *testing.T) {
 
 func TestService_HeadSyncCommitteeDomain(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{cfg: &config{BeaconDB: dbTest.SetupDB(t)}}
 	c.head = &head{state: s}
 
 	wanted, err := signing.Domain(s.Fork(), slots.ToEpoch(s.Slot()), params.BeaconConfig().DomainSyncCommittee, s.GenesisValidatorsRoot())
 	require.NoError(t, err)
 
-	d, err := c.HeadSyncCommitteeDomain(t.Context(), 0)
+	d, err := c.HeadSyncCommitteeDomain(context.Background(), 0)
 	require.NoError(t, err)
 
 	require.DeepEqual(t, wanted, d)
@@ -94,13 +96,13 @@ func TestService_HeadSyncCommitteeDomain(t *testing.T) {
 
 func TestService_HeadSyncContributionProofDomain(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 
 	wanted, err := signing.Domain(s.Fork(), slots.ToEpoch(s.Slot()), params.BeaconConfig().DomainContributionAndProof, s.GenesisValidatorsRoot())
 	require.NoError(t, err)
 
-	d, err := c.HeadSyncContributionProofDomain(t.Context(), 0)
+	d, err := c.HeadSyncContributionProofDomain(context.Background(), 0)
 	require.NoError(t, err)
 
 	require.DeepEqual(t, wanted, d)
@@ -108,27 +110,30 @@ func TestService_HeadSyncContributionProofDomain(t *testing.T) {
 
 func TestService_HeadSyncSelectionProofDomain(t *testing.T) {
 	s, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().TargetCommitteeSize)
-	c := testServiceWithDB(t)
+	c := &Service{}
 	c.head = &head{state: s}
 
 	wanted, err := signing.Domain(s.Fork(), slots.ToEpoch(s.Slot()), params.BeaconConfig().DomainSyncCommitteeSelectionProof, s.GenesisValidatorsRoot())
 	require.NoError(t, err)
 
-	d, err := c.HeadSyncSelectionProofDomain(t.Context(), 0)
+	d, err := c.HeadSyncSelectionProofDomain(context.Background(), 0)
 	require.NoError(t, err)
 
 	require.DeepEqual(t, wanted, d)
 }
 
 func TestSyncCommitteeHeadStateCache_RoundTrip(t *testing.T) {
-	s := testServiceNoDB(t)
+	c := syncCommitteeHeadStateCache
+	t.Cleanup(func() {
+		syncCommitteeHeadStateCache = cache.NewSyncCommitteeHeadState()
+	})
 	beaconState, _ := util.DeterministicGenesisStateAltair(t, 100)
 	require.NoError(t, beaconState.SetSlot(100))
-	cachedState, err := s.syncCommitteeHeadState.Get(101)
+	cachedState, err := c.Get(101)
 	require.ErrorContains(t, cache.ErrNotFound.Error(), err)
 	require.Equal(t, nil, cachedState)
-	require.NoError(t, s.syncCommitteeHeadState.Put(101, beaconState))
-	cachedState, err = s.syncCommitteeHeadState.Get(101)
+	require.NoError(t, c.Put(101, beaconState))
+	cachedState, err = c.Get(101)
 	require.NoError(t, err)
 	require.DeepEqual(t, beaconState, cachedState)
 }

beacon-chain/blockchain/head_test.go

@@ -9,6 +9,7 @@ import (
 
 	mock "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/testing"
 	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
 	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/operations/blstoexec"
 	"github.com/OffchainLabs/prysm/v6/config/params"
@@ -33,17 +34,17 @@ func TestSaveHead_Same(t *testing.T) {
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
 	st, _ := util.DeterministicGenesisState(t, 1)
-	require.NoError(t, service.saveHead(t.Context(), r, b, st))
+	require.NoError(t, service.saveHead(context.Background(), r, b, st))
 	assert.Equal(t, primitives.Slot(0), service.headSlot(), "Head did not stay the same")
 	assert.Equal(t, r, service.headRoot(), "Head did not stay the same")
 }
 
 func TestSaveHead_Different(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 
-	oldBlock := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, util.NewBeaconBlock())
+	oldBlock := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, util.NewBeaconBlock())
 	oldRoot, err := oldBlock.Block().HashTreeRoot()
 	require.NoError(t, err)
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
@@ -60,7 +61,7 @@ func TestSaveHead_Different(t *testing.T) {
 	newHeadSignedBlock.Block.Slot = 1
 	newHeadBlock := newHeadSignedBlock.Block
 
-	wsb := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, newHeadSignedBlock)
+	wsb := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, newHeadSignedBlock)
 	newRoot, err := newHeadBlock.HashTreeRoot()
 	require.NoError(t, err)
 	state, blkRoot, err = prepareForkchoiceState(ctx, slots.PrevSlot(wsb.Block().Slot()), wsb.Block().ParentRoot(), service.cfg.ForkChoiceStore.CachedHeadRoot(), [32]byte{}, ojc, ofc)
@@ -73,13 +74,13 @@ func TestSaveHead_Different(t *testing.T) {
 	headState, err := util.NewBeaconState()
 	require.NoError(t, err)
 	require.NoError(t, headState.SetSlot(1))
-	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
-	require.NoError(t, service.cfg.BeaconDB.SaveState(t.Context(), headState, newRoot))
-	require.NoError(t, service.saveHead(t.Context(), newRoot, wsb, headState))
+	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
+	require.NoError(t, service.cfg.BeaconDB.SaveState(context.Background(), headState, newRoot))
+	require.NoError(t, service.saveHead(context.Background(), newRoot, wsb, headState))
 
 	assert.Equal(t, primitives.Slot(1), service.HeadSlot(), "Head did not change")
 
-	cachedRoot, err := service.HeadRoot(t.Context())
+	cachedRoot, err := service.HeadRoot(context.Background())
 	require.NoError(t, err)
 	assert.DeepEqual(t, cachedRoot, newRoot[:], "Head did not change")
 	headBlock, err := service.headBlock()
@@ -91,12 +92,12 @@ func TestSaveHead_Different(t *testing.T) {
 }
 
 func TestSaveHead_Different_Reorg(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	hook := logTest.NewGlobal()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 
-	oldBlock := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, util.NewBeaconBlock())
+	oldBlock := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, util.NewBeaconBlock())
 	oldRoot, err := oldBlock.Block().HashTreeRoot()
 	require.NoError(t, err)
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
@@ -119,7 +120,7 @@ func TestSaveHead_Different_Reorg(t *testing.T) {
 	newHeadSignedBlock.Block.ParentRoot = reorgChainParent[:]
 	newHeadBlock := newHeadSignedBlock.Block
 
-	wsb := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, newHeadSignedBlock)
+	wsb := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, newHeadSignedBlock)
 	newRoot, err := newHeadBlock.HashTreeRoot()
 	require.NoError(t, err)
 	state, blkRoot, err = prepareForkchoiceState(ctx, wsb.Block().Slot(), newRoot, wsb.Block().ParentRoot(), [32]byte{}, ojc, ofc)
@@ -128,13 +129,13 @@ func TestSaveHead_Different_Reorg(t *testing.T) {
 	headState, err := util.NewBeaconState()
 	require.NoError(t, err)
 	require.NoError(t, headState.SetSlot(1))
-	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
-	require.NoError(t, service.cfg.BeaconDB.SaveState(t.Context(), headState, newRoot))
-	require.NoError(t, service.saveHead(t.Context(), newRoot, wsb, headState))
+	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
+	require.NoError(t, service.cfg.BeaconDB.SaveState(context.Background(), headState, newRoot))
+	require.NoError(t, service.saveHead(context.Background(), newRoot, wsb, headState))
 
 	assert.Equal(t, primitives.Slot(1), service.HeadSlot(), "Head did not change")
 
-	cachedRoot, err := service.HeadRoot(t.Context())
+	cachedRoot, err := service.HeadRoot(context.Background())
 	require.NoError(t, err)
 	if !bytes.Equal(cachedRoot, newRoot[:]) {
 		t.Error("Head did not change")
@@ -153,16 +154,20 @@ func TestSaveHead_Different_Reorg(t *testing.T) {
 func Test_notifyNewHeadEvent(t *testing.T) {
 	t.Run("genesis_state_root", func(t *testing.T) {
 		bState, _ := util.DeterministicGenesisState(t, 10)
-		srv := testServiceWithDB(t)
-		srv.SetGenesisTime(time.Now())
-		notifier := srv.cfg.StateNotifier.(*mock.MockStateNotifier)
-		srv.originBlockRoot = [32]byte{1}
-		st, blk, err := prepareForkchoiceState(t.Context(), 0, [32]byte{}, [32]byte{}, [32]byte{}, &ethpb.Checkpoint{}, &ethpb.Checkpoint{})
+		notifier := &mock.MockStateNotifier{RecordEvents: true}
+		srv := &Service{
+			cfg: &config{
+				StateNotifier:   notifier,
+				ForkChoiceStore: doublylinkedtree.New(),
+			},
+			originBlockRoot: [32]byte{1},
+		}
+		st, blk, err := prepareForkchoiceState(context.Background(), 0, [32]byte{}, [32]byte{}, [32]byte{}, &ethpb.Checkpoint{}, &ethpb.Checkpoint{})
 		require.NoError(t, err)
-		require.NoError(t, srv.cfg.ForkChoiceStore.InsertNode(t.Context(), st, blk))
+		require.NoError(t, srv.cfg.ForkChoiceStore.InsertNode(context.Background(), st, blk))
 		newHeadStateRoot := [32]byte{2}
 		newHeadRoot := [32]byte{3}
-		require.NoError(t, srv.notifyNewHeadEvent(t.Context(), 1, bState, newHeadStateRoot[:], newHeadRoot[:]))
+		require.NoError(t, srv.notifyNewHeadEvent(context.Background(), 1, bState, newHeadStateRoot[:], newHeadRoot[:]))
 		events := notifier.ReceivedEvents()
 		require.Equal(t, 1, len(events))
 
@@ -180,14 +185,18 @@ func Test_notifyNewHeadEvent(t *testing.T) {
 	})
 	t.Run("non_genesis_values", func(t *testing.T) {
 		bState, _ := util.DeterministicGenesisState(t, 10)
+		notifier := &mock.MockStateNotifier{RecordEvents: true}
 		genesisRoot := [32]byte{1}
-		srv := testServiceWithDB(t)
-		srv.SetGenesisTime(time.Now())
-		srv.originBlockRoot = genesisRoot
-		notifier := srv.cfg.StateNotifier.(*mock.MockStateNotifier)
-		st, blk, err := prepareForkchoiceState(t.Context(), 0, [32]byte{}, [32]byte{}, [32]byte{}, &ethpb.Checkpoint{}, &ethpb.Checkpoint{})
+		srv := &Service{
+			cfg: &config{
+				StateNotifier:   notifier,
+				ForkChoiceStore: doublylinkedtree.New(),
+			},
+			originBlockRoot: genesisRoot,
+		}
+		st, blk, err := prepareForkchoiceState(context.Background(), 0, [32]byte{}, [32]byte{}, [32]byte{}, &ethpb.Checkpoint{}, &ethpb.Checkpoint{})
 		require.NoError(t, err)
-		require.NoError(t, srv.cfg.ForkChoiceStore.InsertNode(t.Context(), st, blk))
+		require.NoError(t, srv.cfg.ForkChoiceStore.InsertNode(context.Background(), st, blk))
 		epoch1Start, err := slots.EpochStart(1)
 		require.NoError(t, err)
 		epoch2Start, err := slots.EpochStart(1)
@@ -196,7 +205,7 @@ func Test_notifyNewHeadEvent(t *testing.T) {
 
 		newHeadStateRoot := [32]byte{2}
 		newHeadRoot := [32]byte{3}
-		err = srv.notifyNewHeadEvent(t.Context(), epoch2Start, bState, newHeadStateRoot[:], newHeadRoot[:])
+		err = srv.notifyNewHeadEvent(context.Background(), epoch2Start, bState, newHeadStateRoot[:], newHeadRoot[:])
 		require.NoError(t, err)
 		events := notifier.ReceivedEvents()
 		require.Equal(t, 1, len(events))
@@ -216,11 +225,11 @@ func Test_notifyNewHeadEvent(t *testing.T) {
 }
 
 func TestRetrieveHead_ReadOnly(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 
-	oldBlock := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, util.NewBeaconBlock())
+	oldBlock := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, util.NewBeaconBlock())
 	oldRoot, err := oldBlock.Block().HashTreeRoot()
 	require.NoError(t, err)
 	service.head = &head{
@@ -234,7 +243,7 @@ func TestRetrieveHead_ReadOnly(t *testing.T) {
 	ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 	ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
 
-	wsb := util.SaveBlock(t, t.Context(), service.cfg.BeaconDB, newHeadSignedBlock)
+	wsb := util.SaveBlock(t, context.Background(), service.cfg.BeaconDB, newHeadSignedBlock)
 	newRoot, err := newHeadBlock.HashTreeRoot()
 	require.NoError(t, err)
 	state, blkRoot, err := prepareForkchoiceState(ctx, slots.PrevSlot(wsb.Block().Slot()), wsb.Block().ParentRoot(), service.cfg.ForkChoiceStore.CachedHeadRoot(), [32]byte{}, ojc, ofc)
@@ -247,9 +256,9 @@ func TestRetrieveHead_ReadOnly(t *testing.T) {
 	headState, err := util.NewBeaconState()
 	require.NoError(t, err)
 	require.NoError(t, headState.SetSlot(1))
-	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(t.Context(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
-	require.NoError(t, service.cfg.BeaconDB.SaveState(t.Context(), headState, newRoot))
-	require.NoError(t, service.saveHead(t.Context(), newRoot, wsb, headState))
+	require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Slot: 1, Root: newRoot[:]}))
+	require.NoError(t, service.cfg.BeaconDB.SaveState(context.Background(), headState, newRoot))
+	require.NoError(t, service.saveHead(context.Background(), newRoot, wsb, headState))
 
 	rOnlyState, err := service.HeadStateReadOnly(ctx)
 	require.NoError(t, err)
@@ -258,7 +267,7 @@ func TestRetrieveHead_ReadOnly(t *testing.T) {
 }
 
 func TestSaveOrphanedAtts(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
@@ -324,7 +333,7 @@ func TestSaveOrphanedAtts(t *testing.T) {
 }
 
 func TestSaveOrphanedAttsElectra(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
@@ -395,10 +404,10 @@ func TestSaveOrphanedOps(t *testing.T) {
 	config.ShardCommitteePeriod = 0
 	params.OverrideBeaconConfig(config)
 
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
-	service.SetGenesisTime(time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second))
+	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
 
 	// Chain setup
 	// 0 -- 1 -- 2 -- 3
@@ -472,7 +481,7 @@ func TestSaveOrphanedOps(t *testing.T) {
 }
 
 func TestSaveOrphanedAtts_CanFilter(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 	service.cfg.BLSToExecPool = blstoexec.NewPool()
@@ -530,7 +539,7 @@ func TestSaveOrphanedAtts_CanFilter(t *testing.T) {
 }
 
 func TestSaveOrphanedAtts_DoublyLinkedTrie(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 	service.genesisTime = time.Now().Add(time.Duration(-10*int64(1)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
@@ -595,7 +604,7 @@ func TestSaveOrphanedAtts_DoublyLinkedTrie(t *testing.T) {
 }
 
 func TestSaveOrphanedAtts_CanFilter_DoublyLinkedTrie(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	service := setupBeaconChain(t, beaconDB)
 	service.genesisTime = time.Now().Add(time.Duration(-1*int64(params.BeaconConfig().SlotsPerEpoch+2)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)

beacon-chain/blockchain/init_sync_process_block_test.go

@@ -1,6 +1,7 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 
 	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
@@ -10,7 +11,7 @@ import (
 )
 
 func TestService_getBlock(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	s := setupBeaconChain(t, beaconDB)
 	b1 := util.NewBeaconBlock()
@@ -41,7 +42,7 @@ func TestService_getBlock(t *testing.T) {
 }
 
 func TestService_hasBlockInInitSyncOrDB(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	s := setupBeaconChain(t, beaconDB)
 	b1 := util.NewBeaconBlock()

beacon-chain/blockchain/kzg/trusted_setup.go

@@ -11,7 +11,7 @@ import (
 )
 
 var (
-	// https://github.com/ethereum/consensus-specs/blob/master/presets/mainnet/trusted_setups/trusted_setup_4096.json
+	// https://github.com/ethereum/consensus-specs/blob/dev/presets/mainnet/trusted_setups/trusted_setup_4096.json
 	//go:embed trusted_setup_4096.json
 	embeddedTrustedSetup []byte // 1.2Mb
 	kzgContext           *GoKZG.Context

beacon-chain/blockchain/log.go

@@ -26,6 +26,9 @@ func logStateTransitionData(b interfaces.ReadOnlyBeaconBlock) error {
 	if len(b.Body().Attestations()) > 0 {
 		log = log.WithField("attestations", len(b.Body().Attestations()))
 	}
+	if len(b.Body().Deposits()) > 0 {
+		log = log.WithField("deposits", len(b.Body().Deposits()))
+	}
 	if len(b.Body().AttesterSlashings()) > 0 {
 		log = log.WithField("attesterSlashings", len(b.Body().AttesterSlashings()))
 	}
@@ -86,8 +89,8 @@ func logStateTransitionData(b interfaces.ReadOnlyBeaconBlock) error {
 	return nil
 }
 
-func logBlockSyncStatus(block interfaces.ReadOnlyBeaconBlock, blockRoot [32]byte, justified, finalized *ethpb.Checkpoint, receivedTime time.Time, genesis time.Time, daWaitedTime time.Duration) error {
-	startTime, err := slots.StartTime(genesis, block.Slot())
+func logBlockSyncStatus(block interfaces.ReadOnlyBeaconBlock, blockRoot [32]byte, justified, finalized *ethpb.Checkpoint, receivedTime time.Time, genesisTime uint64, daWaitedTime time.Duration) error {
+	startTime, err := slots.ToTime(genesisTime, block.Slot())
 	if err != nil {
 		return err
 	}
@@ -108,6 +111,7 @@ func logBlockSyncStatus(block interfaces.ReadOnlyBeaconBlock, blockRoot [32]byte
 			"sinceSlotStartTime":         prysmTime.Now().Sub(startTime),
 			"chainServiceProcessedTime":  prysmTime.Now().Sub(receivedTime) - daWaitedTime,
 			"dataAvailabilityWaitedTime": daWaitedTime,
+			"deposits":                   len(block.Body().Deposits()),
 		}
 		log.WithFields(lf).Debug("Synced new block")
 	} else {
@@ -155,9 +159,7 @@ func logPayload(block interfaces.ReadOnlyBeaconBlock) error {
 		if err != nil {
 			return errors.Wrap(err, "could not get BLSToExecutionChanges")
 		}
-		if len(changes) > 0 {
-			fields["blsToExecutionChanges"] = len(changes)
-		}
+		fields["blsToExecutionChanges"] = len(changes)
 	}
 	log.WithFields(fields).Debug("Synced new payload")
 	return nil

beacon-chain/blockchain/log_test.go

@@ -53,7 +53,7 @@ func Test_logStateTransitionData(t *testing.T) {
 				require.NoError(t, err)
 				return wb
 			},
-			want: "\"Finished applying state transition\" attestations=1 prefix=blockchain slot=0",
+			want: "\"Finished applying state transition\" attestations=1 deposits=1 prefix=blockchain slot=0",
 		},
 		{name: "has attester slashing",
 			b: func() interfaces.ReadOnlyBeaconBlock {
@@ -93,7 +93,7 @@ func Test_logStateTransitionData(t *testing.T) {
 				require.NoError(t, err)
 				return wb
 			},
-			want: "\"Finished applying state transition\" attestations=1 attesterSlashings=1 prefix=blockchain proposerSlashings=1 slot=0 voluntaryExits=1",
+			want: "\"Finished applying state transition\" attestations=1 attesterSlashings=1 deposits=1 prefix=blockchain proposerSlashings=1 slot=0 voluntaryExits=1",
 		},
 		{name: "has payload",
 			b:    func() interfaces.ReadOnlyBeaconBlock { return wrappedPayloadBlk },

beacon-chain/blockchain/metrics_test.go

@@ -1,6 +1,7 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 
 	eth "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
@@ -8,13 +9,23 @@ import (
 	"github.com/OffchainLabs/prysm/v6/testing/util"
 )
 
+func TestReportEpochMetrics_BadHeadState(t *testing.T) {
+	s, err := util.NewBeaconState()
+	require.NoError(t, err)
+	h, err := util.NewBeaconState()
+	require.NoError(t, err)
+	require.NoError(t, h.SetValidators(nil))
+	err = reportEpochMetrics(context.Background(), s, h)
+	require.ErrorContains(t, "failed to initialize precompute: state has nil validator slice", err)
+}
+
 func TestReportEpochMetrics_BadAttestation(t *testing.T) {
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
 	h, err := util.NewBeaconState()
 	require.NoError(t, err)
 	require.NoError(t, h.AppendCurrentEpochAttestations(&eth.PendingAttestation{InclusionDelay: 0}))
-	err = reportEpochMetrics(t.Context(), s, h)
+	err = reportEpochMetrics(context.Background(), s, h)
 	require.ErrorContains(t, "attestation with inclusion delay of 0", err)
 }
 
@@ -25,6 +36,6 @@ func TestReportEpochMetrics_SlashedValidatorOutOfBound(t *testing.T) {
 	v.Slashed = true
 	require.NoError(t, h.UpdateValidatorAtIndex(0, v))
 	require.NoError(t, h.AppendCurrentEpochAttestations(&eth.PendingAttestation{InclusionDelay: 1, Data: util.HydrateAttestationData(&eth.AttestationData{})}))
-	err = reportEpochMetrics(t.Context(), h, h)
+	err = reportEpochMetrics(context.Background(), h, h)
 	require.ErrorContains(t, "slot 0 out of bounds", err)
 }

beacon-chain/blockchain/mock_test.go

@@ -8,10 +8,9 @@ import (
 	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/startup"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/stategen"
-	"github.com/OffchainLabs/prysm/v6/testing/require"
 )
 
-func testServiceOptsWithDB(t testing.TB) []Option {
+func testServiceOptsWithDB(t *testing.T) []Option {
 	beaconDB := testDB.SetupDB(t)
 	fcs := doublylinkedtree.New()
 	cs := startup.NewClockSynchronizer()
@@ -32,15 +31,3 @@ func testServiceOptsNoDB() []Option {
 	cs := startup.NewClockSynchronizer()
 	return []Option{WithClockSynchronizer(cs)}
 }
-
-func testServiceNoDB(t testing.TB) *Service {
-	s, err := NewService(t.Context(), testServiceOptsNoDB()...)
-	require.NoError(t, err)
-	return s
-}
-
-func testServiceWithDB(t testing.TB) *Service {
-	s, err := NewService(t.Context(), testServiceOptsWithDB(t)...)
-	require.NoError(t, err)
-	return s
-}

beacon-chain/blockchain/options.go

@@ -7,6 +7,7 @@ import (
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
 	statefeed "github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed/state"
 	lightclient "github.com/OffchainLabs/prysm/v6/beacon-chain/core/light-client"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/peerdas"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/db"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/db/filesystem"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/execution"
@@ -32,14 +33,6 @@ func WithMaxGoroutines(x int) Option {
 	}
 }
 
-// WithLCStore for light client store access.
-func WithLCStore() Option {
-	return func(s *Service) error {
-		s.lcStore = lightclient.NewLightClientStore(s.cfg.BeaconDB)
-		return nil
-	}
-}
-
 // WithWeakSubjectivityCheckpoint for checkpoint sync.
 func WithWeakSubjectivityCheckpoint(c *ethpb.Checkpoint) Option {
 	return func(s *Service) error {
@@ -234,6 +227,14 @@ func WithSyncChecker(checker Checker) Option {
 	}
 }
 
+// WithCustodyInfo sets the custody info for the blockchain service.
+func WithCustodyInfo(custodyInfo *peerdas.CustodyInfo) Option {
+	return func(s *Service) error {
+		s.cfg.CustodyInfo = custodyInfo
+		return nil
+	}
+}
+
 // WithSlasherEnabled sets whether the slasher is enabled or not.
 func WithSlasherEnabled(enabled bool) Option {
 	return func(s *Service) error {
@@ -245,7 +246,7 @@ func WithSlasherEnabled(enabled bool) Option {
 // WithGenesisTime sets the genesis time for the blockchain service.
 func WithGenesisTime(genesisTime time.Time) Option {
 	return func(s *Service) error {
-		s.genesisTime = genesisTime.Truncate(time.Second) // Genesis time has a precision of 1 second.
+		s.genesisTime = genesisTime
 		return nil
 	}
 }
@@ -257,12 +258,3 @@ func WithLightClientStore(lcs *lightclient.Store) Option {
 		return nil
 	}
 }
-
-// WithStartWaitingDataColumnSidecars sets a channel that the `areDataColumnsAvailable` function will fill
-// in when starting to wait for additional data columns.
-func WithStartWaitingDataColumnSidecars(c chan bool) Option {
-	return func(s *Service) error {
-		s.startWaitingDataColumnSidecars = c
-		return nil
-	}
-}

beacon-chain/blockchain/process_attestation.go

@@ -5,7 +5,6 @@ import (
 	"time"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v6/monitoring/tracing/trace"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
@@ -60,8 +59,10 @@ func (s *Service) OnAttestation(ctx context.Context, a ethpb.Att, disparity time
 		return err
 	}
 
+	genesisTime := uint64(s.genesisTime.Unix())
+
 	// Verify attestation target is from current epoch or previous epoch.
-	if err := verifyAttTargetEpoch(ctx, s.genesisTime, time.Now().Add(disparity), tgt); err != nil {
+	if err := verifyAttTargetEpoch(ctx, genesisTime, uint64(time.Now().Add(disparity).Unix()), tgt); err != nil {
 		return err
 	}
 
@@ -74,7 +75,7 @@ func (s *Service) OnAttestation(ctx context.Context, a ethpb.Att, disparity time
 	// validate_aggregate_proof.go and validate_beacon_attestation.go
 
 	// Verify attestations can only affect the fork choice of subsequent slots.
-	if err := slots.VerifyTime(s.genesisTime, a.GetData().Slot+1, disparity); err != nil {
+	if err := slots.VerifyTime(genesisTime, a.GetData().Slot+1, disparity); err != nil {
 		return err
 	}
 
@@ -87,7 +88,7 @@ func (s *Service) OnAttestation(ctx context.Context, a ethpb.Att, disparity time
 	if err != nil {
 		return err
 	}
-	if err := attestation.IsValidAttestationIndices(ctx, indexedAtt, params.BeaconConfig().MaxValidatorsPerCommittee, params.BeaconConfig().MaxCommitteesPerSlot); err != nil {
+	if err := attestation.IsValidAttestationIndices(ctx, indexedAtt); err != nil {
 		return err
 	}
 

beacon-chain/blockchain/process_attestation_helpers.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"fmt"
 	"strconv"
-	"time"
 
 	"github.com/OffchainLabs/prysm/v6/async"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/transition"
 	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
@@ -139,8 +139,8 @@ func (s *Service) getAttPreState(ctx context.Context, c *ethpb.Checkpoint) (stat
 }
 
 // verifyAttTargetEpoch validates attestation is from the current or previous epoch.
-func verifyAttTargetEpoch(_ context.Context, genesis, now time.Time, c *ethpb.Checkpoint) error {
-	currentSlot := slots.At(genesis, now)
+func verifyAttTargetEpoch(_ context.Context, genesisTime, nowTime uint64, c *ethpb.Checkpoint) error {
+	currentSlot := primitives.Slot((nowTime - genesisTime) / params.BeaconConfig().SecondsPerSlot)
 	currentEpoch := slots.ToEpoch(currentSlot)
 	var prevEpoch primitives.Epoch
 	// Prevents previous epoch under flow

beacon-chain/blockchain/process_attestation_test.go

@@ -161,7 +161,7 @@ func TestStore_OnAttestation_Ok_DoublyLinkedTree(t *testing.T) {
 
 func TestService_GetRecentPreState(t *testing.T) {
 	service, _ := minimalTestService(t)
-	ctx := t.Context()
+	ctx := context.Background()
 
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
@@ -183,7 +183,7 @@ func TestService_GetRecentPreState(t *testing.T) {
 
 func TestService_GetAttPreState_Concurrency(t *testing.T) {
 	service, _ := minimalTestService(t)
-	ctx := t.Context()
+	ctx := context.Background()
 
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
@@ -353,29 +353,29 @@ func TestStore_UpdateCheckpointState(t *testing.T) {
 }
 
 func TestAttEpoch_MatchPrevEpoch(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
-	nowTime := time.Unix(int64(params.BeaconConfig().SlotsPerEpoch)*int64(params.BeaconConfig().SecondsPerSlot), 0)
-	require.NoError(t, verifyAttTargetEpoch(ctx, time.Unix(0, 0), nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)}))
+	nowTime := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
+	require.NoError(t, verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)}))
 }
 
 func TestAttEpoch_MatchCurrentEpoch(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
-	nowTime := time.Unix(int64(params.BeaconConfig().SlotsPerEpoch)*int64(params.BeaconConfig().SecondsPerSlot), 0)
-	require.NoError(t, verifyAttTargetEpoch(ctx, time.Unix(0, 0), nowTime, &ethpb.Checkpoint{Epoch: 1}))
+	nowTime := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
+	require.NoError(t, verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Epoch: 1}))
 }
 
 func TestAttEpoch_NotMatch(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
-	nowTime := time.Unix(2*int64(params.BeaconConfig().SlotsPerEpoch)*int64(params.BeaconConfig().SecondsPerSlot), 0)
-	err := verifyAttTargetEpoch(ctx, time.Unix(0, 0), nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)})
+	nowTime := 2 * uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
+	err := verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)})
 	assert.ErrorContains(t, "target epoch 0 does not match current epoch 2 or prev epoch 1", err)
 }
 
 func TestVerifyBeaconBlock_NoBlock(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	opts := testServiceOptsWithDB(t)
 	service, err := NewService(ctx, opts...)
 	require.NoError(t, err)
@@ -385,7 +385,7 @@ func TestVerifyBeaconBlock_NoBlock(t *testing.T) {
 }
 
 func TestVerifyBeaconBlock_futureBlock(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
 	opts := testServiceOptsWithDB(t)
 	service, err := NewService(ctx, opts...)
@@ -402,7 +402,7 @@ func TestVerifyBeaconBlock_futureBlock(t *testing.T) {
 }
 
 func TestVerifyBeaconBlock_OK(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
 	opts := testServiceOptsWithDB(t)
 	service, err := NewService(ctx, opts...)

beacon-chain/blockchain/process_block.go

@@ -72,6 +72,8 @@ func (s *Service) postBlockProcess(cfg *postBlockProcessConfig) error {
 	}
 	if features.Get().EnableLightClient && slots.ToEpoch(s.CurrentSlot()) >= params.BeaconConfig().AltairForkEpoch {
 		defer s.processLightClientUpdates(cfg)
+		defer s.saveLightClientUpdate(cfg)
+		defer s.saveLightClientBootstrap(cfg)
 	}
 	defer s.sendStateFeedOnBlock(cfg)
 	defer reportProcessingTime(startTime)
@@ -329,7 +331,7 @@ func (s *Service) updateEpochBoundaryCaches(ctx context.Context, st state.Beacon
 	// The latest block header is from the previous epoch
 	r, err := st.LatestBlockHeader().HashTreeRoot()
 	if err != nil {
-		log.WithError(err).Error("Could not update proposer index state-root map")
+		log.WithError(err).Error("could not update proposer index state-root map")
 		return nil
 	}
 	// The proposer indices cache takes the target root for the previous
@@ -339,12 +341,12 @@ func (s *Service) updateEpochBoundaryCaches(ctx context.Context, st state.Beacon
 	}
 	target, err := s.cfg.ForkChoiceStore.TargetRootForEpoch(r, e)
 	if err != nil {
-		log.WithError(err).Error("Could not update proposer index state-root map")
+		log.WithError(err).Error("could not update proposer index state-root map")
 		return nil
 	}
 	err = helpers.UpdateCachedCheckpointToStateRoot(st, &forkchoicetypes.Checkpoint{Epoch: e, Root: target})
 	if err != nil {
-		log.WithError(err).Error("Could not update proposer index state-root map")
+		log.WithError(err).Error("could not update proposer index state-root map")
 	}
 	return nil
 }
@@ -562,7 +564,7 @@ func (s *Service) validateMergeTransitionBlock(ctx context.Context, stateVersion
 // If there is not, it will call forkchoice updated with the correct payload attribute then cache the payload ID.
 func (s *Service) runLateBlockTasks() {
 	if err := s.waitForSync(); err != nil {
-		log.WithError(err).Error("Failed to wait for initial sync")
+		log.WithError(err).Error("failed to wait for initial sync")
 		return
 	}
 
@@ -641,6 +643,7 @@ func (s *Service) isDataAvailable(
 	ctx context.Context,
 	root [fieldparams.RootLength]byte,
 	signedBlock interfaces.ReadOnlySignedBeaconBlock,
+	startWaiting ...chan<- bool, // For tests purposes only
 ) error {
 	block := signedBlock.Block()
 	if block == nil {
@@ -649,7 +652,7 @@ func (s *Service) isDataAvailable(
 
 	blockVersion := block.Version()
 	if blockVersion >= version.Fulu {
-		return s.areDataColumnsAvailable(ctx, root, block)
+		return s.areDataColumnsAvailable(ctx, root, block, startWaiting...)
 	}
 
 	if blockVersion >= version.Deneb {
@@ -665,12 +668,12 @@ func (s *Service) areDataColumnsAvailable(
 	ctx context.Context,
 	root [fieldparams.RootLength]byte,
 	block interfaces.ReadOnlyBeaconBlock,
+	startWaiting ...chan<- bool, // For tests purposes only
 ) error {
-	samplesPerSlot := params.BeaconConfig().SamplesPerSlot
-
 	// We are only required to check within MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS
 	blockSlot, currentSlot := block.Slot(), s.CurrentSlot()
 	blockEpoch, currentEpoch := slots.ToEpoch(blockSlot), slots.ToEpoch(currentSlot)
+
 	if !params.WithinDAPeriod(blockEpoch, currentEpoch) {
 		return nil
 	}
@@ -694,15 +697,13 @@ func (s *Service) areDataColumnsAvailable(
 	// https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.10/specs/fulu/das-core.md#custody-sampling
 	nodeID := s.cfg.P2P.NodeID()
 
+	// Prevent custody group count to change during the rest of the function.
+	s.cfg.CustodyInfo.Mut.RLock()
+	defer s.cfg.CustodyInfo.Mut.RUnlock()
+
 	// Get the custody group sampling size for the node.
-	custodyGroupCount := s.cfg.P2P.CustodyGroupCount()
-
-	// Compute the sampling size.
-	// https://github.com/ethereum/consensus-specs/blob/dev/specs/fulu/das-core.md#custody-sampling
-	samplingSize := max(samplesPerSlot, custodyGroupCount)
-
-	// Get the peer info for the node.
-	peerInfo, _, err := peerdas.Info(nodeID, samplingSize)
+	custodyGroupSamplingSize := s.cfg.CustodyInfo.CustodyGroupSamplingSize(peerdas.Actual)
+	peerInfo, _, err := peerdas.Info(nodeID, custodyGroupSamplingSize)
 	if err != nil {
 		return errors.Wrap(err, "peer info")
 	}
@@ -735,15 +736,13 @@ func (s *Service) areDataColumnsAvailable(
 		return nil
 	}
 
-	if s.startWaitingDataColumnSidecars != nil {
-		s.startWaitingDataColumnSidecars <- true
+	// Notify the caller that we are waiting for data columns.
+	if len(startWaiting) > 0 && startWaiting[0] != nil {
+		startWaiting[0] <- true
 	}
 
 	// Log for DA checks that cross over into the next slot; helpful for debugging.
-	nextSlot, err := slots.StartTime(s.genesisTime, block.Slot()+1)
-	if err != nil {
-		return fmt.Errorf("unable to determine slot start time: %w", err)
-	}
+	nextSlot := slots.BeginsAt(block.Slot()+1, s.genesisTime)
 
 	// Avoid logging if DA check is called after next slot start.
 	if nextSlot.After(time.Now()) {
@@ -861,10 +860,7 @@ func (s *Service) areBlobsAvailable(ctx context.Context, root [fieldparams.RootL
 	nc := s.blobNotifiers.forRoot(root, block.Slot())
 
 	// Log for DA checks that cross over into the next slot; helpful for debugging.
-	nextSlot, err := slots.StartTime(s.genesisTime, block.Slot()+1)
-	if err != nil {
-		return fmt.Errorf("unable to determine slot start time: %w", err)
-	}
+	nextSlot := slots.BeginsAt(block.Slot()+1, s.genesisTime)
 	// Avoid logging if DA check is called after next slot start.
 	if nextSlot.After(time.Now()) {
 		nst := time.AfterFunc(time.Until(nextSlot), func() {
@@ -915,7 +911,7 @@ func uint64MapToSortedSlice(input map[uint64]bool) []uint64 {
 // it also updates the next slot cache and the proposer index cache to deal with skipped slots.
 func (s *Service) lateBlockTasks(ctx context.Context) {
 	currentSlot := s.CurrentSlot()
-	if currentSlot == s.HeadSlot() {
+	if s.CurrentSlot() == s.HeadSlot() {
 		return
 	}
 	s.cfg.ForkChoiceStore.RLock()
@@ -936,10 +932,10 @@ func (s *Service) lateBlockTasks(ctx context.Context) {
 	// blocks.
 	lastState.CopyAllTries()
 	if err := transition.UpdateNextSlotCache(ctx, lastRoot, lastState); err != nil {
-		log.WithError(err).Debug("Could not update next slot state cache")
+		log.WithError(err).Debug("could not update next slot state cache")
 	}
 	if err := s.handleEpochBoundary(ctx, currentSlot, headState, headRoot[:]); err != nil {
-		log.WithError(err).Error("Could not update epoch boundary caches")
+		log.WithError(err).Error("lateBlockTasks: could not update epoch boundary caches")
 	}
 	// return early if we already started building a block for the current
 	// head root
@@ -953,7 +949,7 @@ func (s *Service) lateBlockTasks(ctx context.Context) {
 	if attribute.IsEmpty() {
 		headBlock, err := s.headBlock()
 		if err != nil {
-			log.WithError(err).WithField("head_root", headRoot).Error("Unable to retrieve head block to fire payload attributes event")
+			log.WithError(err).WithField("head_root", headRoot).Error("unable to retrieve head block to fire payload attributes event")
 		}
 		// notifyForkchoiceUpdate fires the payload attribute event. But in this case, we won't
 		// call notifyForkchoiceUpdate, so the event is fired here.

beacon-chain/blockchain/process_block_helpers.go

@@ -33,7 +33,7 @@ import (
 
 // CurrentSlot returns the current slot based on time.
 func (s *Service) CurrentSlot() primitives.Slot {
-	return slots.CurrentSlot(s.genesisTime)
+	return slots.CurrentSlot(uint64(s.genesisTime.Unix()))
 }
 
 // getFCUArgs returns the arguments to call forkchoice update
@@ -45,7 +45,7 @@ func (s *Service) getFCUArgs(cfg *postBlockProcessConfig, fcuArgs *fcuConfig) er
 		return nil
 	}
 	slot := cfg.roblock.Block().Slot()
-	if slots.WithinVotingWindow(s.genesisTime, slot) {
+	if slots.WithinVotingWindow(uint64(s.genesisTime.Unix()), slot) {
 		return nil
 	}
 	return s.computePayloadAttributes(cfg, fcuArgs)
@@ -68,11 +68,11 @@ func (s *Service) getFCUArgsEarlyBlock(cfg *postBlockProcessConfig, fcuArgs *fcu
 func (s *Service) logNonCanonicalBlockReceived(blockRoot [32]byte, headRoot [32]byte) {
 	receivedWeight, err := s.cfg.ForkChoiceStore.Weight(blockRoot)
 	if err != nil {
-		log.WithField("root", fmt.Sprintf("%#x", blockRoot)).Warn("Could not determine node weight")
+		log.WithField("root", fmt.Sprintf("%#x", blockRoot)).Warn("could not determine node weight")
 	}
 	headWeight, err := s.cfg.ForkChoiceStore.Weight(headRoot)
 	if err != nil {
-		log.WithField("root", fmt.Sprintf("%#x", headRoot)).Warn("Could not determine node weight")
+		log.WithField("root", fmt.Sprintf("%#x", headRoot)).Warn("could not determine node weight")
 	}
 	log.WithFields(logrus.Fields{
 		"receivedRoot":   fmt.Sprintf("%#x", blockRoot),
@@ -131,9 +131,6 @@ func (s *Service) sendStateFeedOnBlock(cfg *postBlockProcessConfig) {
 }
 
 func (s *Service) processLightClientUpdates(cfg *postBlockProcessConfig) {
-	if err := s.processLightClientUpdate(cfg); err != nil {
-		log.WithError(err).Error("Failed to process light client update")
-	}
 	if err := s.processLightClientOptimisticUpdate(cfg.ctx, cfg.roblock, cfg.postState); err != nil {
 		log.WithError(err).Error("Failed to process light client optimistic update")
 	}
@@ -142,43 +139,101 @@ func (s *Service) processLightClientUpdates(cfg *postBlockProcessConfig) {
 	}
 }
 
-// processLightClientUpdate saves the light client update for this block
+// saveLightClientUpdate saves the light client update for this block
 // if it's better than the already saved one, when feature flag is enabled.
-func (s *Service) processLightClientUpdate(cfg *postBlockProcessConfig) error {
+func (s *Service) saveLightClientUpdate(cfg *postBlockProcessConfig) {
 	attestedRoot := cfg.roblock.Block().ParentRoot()
 	attestedBlock, err := s.getBlock(cfg.ctx, attestedRoot)
 	if err != nil {
-		return errors.Wrapf(err, "could not get attested block for root %#x", attestedRoot)
+		log.WithError(err).Errorf("Saving light client update failed: Could not get attested block for root %#x", attestedRoot)
+		return
 	}
 	if attestedBlock == nil || attestedBlock.IsNil() {
-		return errors.New("attested block is nil")
+		log.Error("Saving light client update failed: Attested block is nil")
+		return
 	}
 	attestedState, err := s.cfg.StateGen.StateByRoot(cfg.ctx, attestedRoot)
 	if err != nil {
-		return errors.Wrapf(err, "could not get attested state for root %#x", attestedRoot)
+		log.WithError(err).Errorf("Saving light client update failed: Could not get attested state for root %#x", attestedRoot)
+		return
 	}
 	if attestedState == nil || attestedState.IsNil() {
-		return errors.New("attested state is nil")
+		log.Error("Saving light client update failed: Attested state is nil")
+		return
 	}
 
 	finalizedRoot := attestedState.FinalizedCheckpoint().Root
 	finalizedBlock, err := s.getBlock(cfg.ctx, [32]byte(finalizedRoot))
 	if err != nil {
 		if errors.Is(err, errBlockNotFoundInCacheOrDB) {
-			log.Debugf("Skipping saving light client update because finalized block is nil for root %#x", finalizedRoot)
-			return nil
+			log.Debugf("Skipping saving light client update: Finalized block is nil for root %#x", finalizedRoot)
+		} else {
+			log.WithError(err).Errorf("Saving light client update failed: Could not get finalized block for root %#x", finalizedRoot)
 		}
-		return errors.Wrapf(err, "could not get finalized block for root %#x", finalizedRoot)
+		return
 	}
 
-	update, err := lightclient.NewLightClientUpdateFromBeaconState(cfg.ctx, cfg.postState, cfg.roblock, attestedState, attestedBlock, finalizedBlock)
+	update, err := lightclient.NewLightClientUpdateFromBeaconState(
+		cfg.ctx,
+		s.CurrentSlot(),
+		cfg.postState,
+		cfg.roblock,
+		attestedState,
+		attestedBlock,
+		finalizedBlock,
+	)
 	if err != nil {
-		return errors.Wrapf(err, "could not create light client update")
+		log.WithError(err).Error("Saving light client update failed: Could not create light client update")
+		return
 	}
 
 	period := slots.SyncCommitteePeriod(slots.ToEpoch(attestedState.Slot()))
 
-	return s.lcStore.SaveLightClientUpdate(cfg.ctx, period, update)
+	oldUpdate, err := s.cfg.BeaconDB.LightClientUpdate(cfg.ctx, period)
+	if err != nil {
+		log.WithError(err).Error("Saving light client update failed: Could not get current light client update")
+		return
+	}
+
+	if oldUpdate == nil {
+		if err := s.cfg.BeaconDB.SaveLightClientUpdate(cfg.ctx, period, update); err != nil {
+			log.WithError(err).Error("Saving light client update failed: Could not save light client update")
+		} else {
+			log.WithField("period", period).Debug("Saving light client update: Saved new update")
+		}
+		return
+	}
+
+	isNewUpdateBetter, err := lightclient.IsBetterUpdate(update, oldUpdate)
+	if err != nil {
+		log.WithError(err).Error("Saving light client update failed: Could not compare light client updates")
+		return
+	}
+
+	if isNewUpdateBetter {
+		if err := s.cfg.BeaconDB.SaveLightClientUpdate(cfg.ctx, period, update); err != nil {
+			log.WithError(err).Error("Saving light client update failed: Could not save light client update")
+		} else {
+			log.WithField("period", period).Debug("Saving light client update: Saved new update")
+		}
+	} else {
+		log.WithField("period", period).Debug("Saving light client update: New update is not better than the current one. Skipping save.")
+	}
+}
+
+// saveLightClientBootstrap saves a light client bootstrap for this block
+// when feature flag is enabled.
+func (s *Service) saveLightClientBootstrap(cfg *postBlockProcessConfig) {
+	blockRoot := cfg.roblock.Root()
+	bootstrap, err := lightclient.NewLightClientBootstrapFromBeaconState(cfg.ctx, s.CurrentSlot(), cfg.postState, cfg.roblock)
+	if err != nil {
+		log.WithError(err).Error("Saving light client bootstrap failed: Could not create light client bootstrap")
+		return
+	}
+	err = s.cfg.BeaconDB.SaveLightClientBootstrap(cfg.ctx, blockRoot[:], bootstrap)
+	if err != nil {
+		log.WithError(err).Error("Saving light client bootstrap failed: Could not save light client bootstrap in DB")
+	}
 }
 
 func (s *Service) processLightClientFinalityUpdate(
@@ -213,17 +268,40 @@ func (s *Service) processLightClientFinalityUpdate(
 		return errors.Wrapf(err, "could not get finalized block for root %#x", finalizedRoot)
 	}
 
-	newUpdate, err := lightclient.NewLightClientFinalityUpdateFromBeaconState(ctx, postState, signed, attestedState, attestedBlock, finalizedBlock)
+	newUpdate, err := lightclient.NewLightClientFinalityUpdateFromBeaconState(
+		ctx,
+		postState.Slot(),
+		postState,
+		signed,
+		attestedState,
+		attestedBlock,
+		finalizedBlock,
+	)
 
 	if err != nil {
 		return errors.Wrap(err, "could not create light client finality update")
 	}
 
-	if !lightclient.IsBetterFinalityUpdate(newUpdate, s.lcStore.LastFinalityUpdate()) {
-		log.Debug("Skip saving light client finality update: current update is better")
-		return nil
-	}
+	lastUpdate := s.lcStore.LastFinalityUpdate()
+	if lastUpdate != nil {
+		// The finalized_header.beacon.lastUpdateSlot is greater than that of all previously forwarded finality_updates,
+		// or it matches the highest previously forwarded lastUpdateSlot and also has a sync_aggregate indicating supermajority (> 2/3)
+		// sync committee participation while the previously forwarded finality_update for that lastUpdateSlot did not indicate supermajority
+		newUpdateSlot := newUpdate.FinalizedHeader().Beacon().Slot
+		newHasSupermajority := lightclient.UpdateHasSupermajority(newUpdate.SyncAggregate())
 
+		lastUpdateSlot := lastUpdate.FinalizedHeader().Beacon().Slot
+		lastHasSupermajority := lightclient.UpdateHasSupermajority(lastUpdate.SyncAggregate())
+
+		if newUpdateSlot < lastUpdateSlot {
+			log.Debug("Skip saving light client finality newUpdate: Older than local newUpdate")
+			return nil
+		}
+		if newUpdateSlot == lastUpdateSlot && (lastHasSupermajority || !newHasSupermajority) {
+			log.Debug("Skip saving light client finality update: No supermajority advantage")
+			return nil
+		}
+	}
 	log.Debug("Saving new light client finality update")
 	s.lcStore.SetLastFinalityUpdate(newUpdate)
 
@@ -251,7 +329,14 @@ func (s *Service) processLightClientOptimisticUpdate(ctx context.Context, signed
 		return errors.Wrapf(err, "could not get attested state for root %#x", attestedRoot)
 	}
 
-	newUpdate, err := lightclient.NewLightClientOptimisticUpdateFromBeaconState(ctx, postState, signed, attestedState, attestedBlock)
+	newUpdate, err := lightclient.NewLightClientOptimisticUpdateFromBeaconState(
+		ctx,
+		postState.Slot(),
+		postState,
+		signed,
+		attestedState,
+		attestedBlock,
+	)
 
 	if err != nil {
 		if strings.Contains(err.Error(), lightclient.ErrNotEnoughSyncCommitteeBits) {
@@ -261,9 +346,13 @@ func (s *Service) processLightClientOptimisticUpdate(ctx context.Context, signed
 		return errors.Wrap(err, "could not create light client optimistic update")
 	}
 
-	if !lightclient.IsBetterOptimisticUpdate(newUpdate, s.lcStore.LastOptimisticUpdate()) {
-		log.Debug("Skip saving light client optimistic update: current update is better")
-		return nil
+	lastUpdate := s.lcStore.LastOptimisticUpdate()
+	if lastUpdate != nil {
+		// The attested_header.beacon.slot is greater than that of all previously forwarded optimistic updates
+		if newUpdate.AttestedHeader().Beacon().Slot <= lastUpdate.AttestedHeader().Beacon().Slot {
+			log.Debug("Skip saving light client optimistic update: Older than local update")
+			return nil
+		}
 	}
 
 	log.Debug("Saving new light client optimistic update")
@@ -347,7 +436,7 @@ func (s *Service) getBlockPreState(ctx context.Context, b interfaces.ReadOnlyBea
 	}
 
 	// Verify block slot time is not from the future.
-	if err := slots.VerifyTime(s.genesisTime, b.Slot(), params.BeaconConfig().MaximumGossipClockDisparityDuration()); err != nil {
+	if err := slots.VerifyTime(uint64(s.genesisTime.Unix()), b.Slot(), params.BeaconConfig().MaximumGossipClockDisparityDuration()); err != nil {
 		return nil, err
 	}
 
@@ -442,7 +531,7 @@ func (s *Service) updateFinalized(ctx context.Context, cp *ethpb.Checkpoint) err
 		// is meant to be asynchronous and run in the background rather than being
 		// tied to the execution of a block.
 		if err := s.cfg.StateGen.MigrateToCold(s.ctx, fRoot); err != nil {
-			log.WithError(err).Error("Could not migrate to cold")
+			log.WithError(err).Error("could not migrate to cold")
 		}
 	}()
 	return nil
@@ -531,7 +620,7 @@ func (s *Service) insertFinalizedDepositsAndPrune(ctx context.Context, fRoot [32
 	// Update deposit cache.
 	finalizedState, err := s.cfg.StateGen.StateByRoot(ctx, fRoot)
 	if err != nil {
-		log.WithError(err).Error("Could not fetch finalized state")
+		log.WithError(err).Error("could not fetch finalized state")
 		return
 	}
 
@@ -549,7 +638,7 @@ func (s *Service) insertFinalizedDepositsAndPrune(ctx context.Context, fRoot [32
 	// because the Eth1 follow distance makes such long-range reorgs extremely unlikely.
 	eth1DepositIndex, err := mathutil.Int(finalizedState.Eth1DepositIndex())
 	if err != nil {
-		log.WithError(err).Error("Could not cast eth1 deposit index")
+		log.WithError(err).Error("could not cast eth1 deposit index")
 		return
 	}
 	// The deposit index in the state is always the index of the next deposit
@@ -558,12 +647,12 @@ func (s *Service) insertFinalizedDepositsAndPrune(ctx context.Context, fRoot [32
 	finalizedEth1DepIdx := eth1DepositIndex - 1
 	if err = s.cfg.DepositCache.InsertFinalizedDeposits(ctx, int64(finalizedEth1DepIdx), common.Hash(finalizedState.Eth1Data().BlockHash),
 		0 /* Setting a zero value as we have no access to block height */); err != nil {
-		log.WithError(err).Error("Could not insert finalized deposits")
+		log.WithError(err).Error("could not insert finalized deposits")
 		return
 	}
 	// Deposit proofs are only used during state transition and can be safely removed to save space.
 	if err = s.cfg.DepositCache.PruneProofs(ctx, int64(finalizedEth1DepIdx)); err != nil {
-		log.WithError(err).Error("Could not prune deposit proofs")
+		log.WithError(err).Error("could not prune deposit proofs")
 	}
 	// Prune deposits which have already been finalized, the below method prunes all pending deposits (non-inclusive) up
 	// to the provided eth1 deposit index.

beacon-chain/blockchain/receive_attestation.go

@@ -43,7 +43,7 @@ func (s *Service) AttestationTargetState(ctx context.Context, target *ethpb.Chec
 	if err != nil {
 		return nil, err
 	}
-	if err := slots.ValidateClock(ss, s.genesisTime); err != nil {
+	if err := slots.ValidateClock(ss, uint64(s.genesisTime.Unix())); err != nil {
 		return nil, err
 	}
 	// We acquire the lock here instead than on gettAttPreState because that function gets called from UpdateHead that holds a write lock
@@ -69,7 +69,7 @@ func (s *Service) spawnProcessAttestationsRoutine() {
 	go func() {
 		_, err := s.clockWaiter.WaitForClock(s.ctx)
 		if err != nil {
-			log.WithError(err).Error("Failed to receive genesis data")
+			log.WithError(err).Error("spawnProcessAttestationsRoutine failed to receive genesis data")
 			return
 		}
 		if s.genesisTime.IsZero() {
@@ -103,7 +103,7 @@ func (s *Service) spawnProcessAttestationsRoutine() {
 				} else {
 					s.cfg.ForkChoiceStore.Lock()
 					if err := s.cfg.ForkChoiceStore.NewSlot(s.ctx, slotInterval.Slot); err != nil {
-						log.WithError(err).Error("Could not process new slot")
+						log.WithError(err).Error("could not process new slot")
 					}
 					s.cfg.ForkChoiceStore.Unlock()
 
@@ -144,7 +144,7 @@ func (s *Service) UpdateHead(ctx context.Context, proposingSlot primitives.Slot)
 	log.WithField("newHeadRoot", fmt.Sprintf("%#x", newHeadRoot)).Debug("Head changed due to attestations")
 	headState, headBlock, err := s.getStateAndBlock(ctx, newHeadRoot)
 	if err != nil {
-		log.WithError(err).Error("Could not get head block")
+		log.WithError(err).Error("could not get head block")
 		return
 	}
 	newAttHeadElapsedTime.Observe(float64(time.Since(start).Milliseconds()))
@@ -161,7 +161,7 @@ func (s *Service) UpdateHead(ctx context.Context, proposingSlot primitives.Slot)
 		return
 	}
 	if err := s.forkchoiceUpdateWithExecution(s.ctx, fcuArgs); err != nil {
-		log.WithError(err).Error("Could not update forkchoice")
+		log.WithError(err).Error("could not update forkchoice")
 	}
 }
 
@@ -177,9 +177,9 @@ func (s *Service) processAttestations(ctx context.Context, disparity time.Durati
 	for _, a := range atts {
 		// Based on the spec, don't process the attestation until the subsequent slot.
 		// This delays consideration in the fork choice until their slot is in the past.
-		// https://github.com/ethereum/consensus-specs/blob/master/specs/phase0/fork-choice.md#validate_on_attestation
+		// https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/fork-choice.md#validate_on_attestation
 		nextSlot := a.GetData().Slot + 1
-		if err := slots.VerifyTime(s.genesisTime, nextSlot, disparity); err != nil {
+		if err := slots.VerifyTime(uint64(s.genesisTime.Unix()), nextSlot, disparity); err != nil {
 			continue
 		}
 

beacon-chain/blockchain/receive_attestation_test.go

@@ -1,6 +1,7 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -31,7 +32,7 @@ func TestAttestationCheckPtState_FarFutureSlot(t *testing.T) {
 	service.genesisTime = time.Now()
 
 	e := primitives.Epoch(slots.MaxSlotBuffer/uint64(params.BeaconConfig().SlotsPerEpoch) + 1)
-	_, err := service.AttestationTargetState(t.Context(), &ethpb.Checkpoint{Epoch: e})
+	_, err := service.AttestationTargetState(context.Background(), &ethpb.Checkpoint{Epoch: e})
 	require.ErrorContains(t, "exceeds max allowed value relative to the local clock", err)
 }
 
@@ -55,11 +56,11 @@ func TestVerifyLMDFFGConsistent(t *testing.T) {
 	a.Data.Target.Root = []byte{'c'}
 	r33Root := r33.Root()
 	a.Data.BeaconBlockRoot = r33Root[:]
-	require.ErrorContains(t, wanted, service.VerifyLmdFfgConsistency(t.Context(), a))
+	require.ErrorContains(t, wanted, service.VerifyLmdFfgConsistency(context.Background(), a))
 
 	r32Root := r32.Root()
 	a.Data.Target.Root = r32Root[:]
-	err = service.VerifyLmdFfgConsistency(t.Context(), a)
+	err = service.VerifyLmdFfgConsistency(context.Background(), a)
 	require.NoError(t, err, "Could not verify LMD and FFG votes to be consistent")
 }
 
@@ -70,7 +71,7 @@ func TestProcessAttestations_Ok(t *testing.T) {
 
 	service.genesisTime = prysmTime.Now().Add(-1 * time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
 	genesisState, pks := util.DeterministicGenesisState(t, 64)
-	require.NoError(t, genesisState.SetGenesisTime(time.Now().Add(-1*time.Duration(params.BeaconConfig().SecondsPerSlot)*time.Second)))
+	require.NoError(t, genesisState.SetGenesisTime(uint64(prysmTime.Now().Unix())-params.BeaconConfig().SecondsPerSlot))
 	require.NoError(t, service.saveGenesisData(ctx, genesisState))
 	atts, err := util.GenerateAttestations(genesisState, pks, 1, 0, false)
 	require.NoError(t, err)

beacon-chain/blockchain/receive_block.go

@@ -183,7 +183,7 @@ func (s *Service) updateCheckpoints(
 			return errors.Wrap(err, "could not get head state")
 		}
 		if err := reportEpochMetrics(ctx, postState, headSt); err != nil {
-			log.WithError(err).Error("Could not report epoch metrics")
+			log.WithError(err).Error("could not report epoch metrics")
 		}
 	}
 	if err := s.updateJustificationOnBlock(ctx, preState, postState, cp.j); err != nil {
@@ -283,7 +283,7 @@ func (s *Service) reportPostBlockProcessing(
 	// Log block sync status.
 	cp = s.cfg.ForkChoiceStore.JustifiedCheckpoint()
 	justified := &ethpb.Checkpoint{Epoch: cp.Epoch, Root: bytesutil.SafeCopyBytes(cp.Root[:])}
-	if err := logBlockSyncStatus(block.Block(), blockRoot, justified, finalized, receivedTime, s.genesisTime, daWaitedTime); err != nil {
+	if err := logBlockSyncStatus(block.Block(), blockRoot, justified, finalized, receivedTime, uint64(s.genesisTime.Unix()), daWaitedTime); err != nil {
 		log.WithError(err).Error("Unable to log block sync status")
 	}
 	// Log payload data
@@ -300,30 +300,15 @@ func (s *Service) reportPostBlockProcessing(
 
 func (s *Service) executePostFinalizationTasks(ctx context.Context, finalizedState state.BeaconState) {
 	finalized := s.cfg.ForkChoiceStore.FinalizedCheckpoint()
-
-	// Send finalization event
 	go func() {
 		s.sendNewFinalizedEvent(ctx, finalizedState)
 	}()
 
-	// Insert finalized deposits into finalized deposit trie
 	depCtx, cancel := context.WithTimeout(context.Background(), depositDeadline)
 	go func() {
 		s.insertFinalizedDepositsAndPrune(depCtx, finalized.Root)
 		cancel()
 	}()
-
-	if features.Get().EnableLightClient {
-		// Save a light client bootstrap for the finalized checkpoint
-		go func() {
-			err := s.lcStore.SaveLightClientBootstrap(s.ctx, finalized.Root)
-			if err != nil {
-				log.WithError(err).Error("Could not save light client bootstrap by block root")
-			} else {
-				log.Debugf("Saved light client bootstrap for finalized root %#x", finalized.Root)
-			}
-		}()
-	}
 }
 
 // ReceiveBlockBatch processes the whole block batch at once, assuming the block batch is linear ,transitioning

beacon-chain/blockchain/receive_block_test.go

@@ -1,6 +1,7 @@
 package blockchain
 
 import (
+	"context"
 	"sync"
 	"testing"
 	"time"
@@ -8,10 +9,7 @@ import (
 	blockchainTesting "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/testing"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
 	statefeed "github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed/state"
-	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
-	lightClient "github.com/OffchainLabs/prysm/v6/beacon-chain/core/light-client"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/das"
-	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/operations/voluntaryexits"
 	"github.com/OffchainLabs/prysm/v6/config/features"
 	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
@@ -21,7 +19,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
 	ethpbv1 "github.com/OffchainLabs/prysm/v6/proto/eth/v1"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v6/runtime/version"
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/OffchainLabs/prysm/v6/testing/util"
@@ -31,7 +28,7 @@ import (
 )
 
 func TestService_ReceiveBlock(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
 	genesis, keys := util.DeterministicGenesisState(t, 64)
 	copiedGen := genesis.Copy()
@@ -192,7 +189,7 @@ func TestHandleDA(t *testing.T) {
 	require.NoError(t, err)
 
 	s, _ := minimalTestService(t)
-	elapsed, err := s.handleDA(t.Context(), signedBeaconBlock, [fieldparams.RootLength]byte{}, nil)
+	elapsed, err := s.handleDA(context.Background(), signedBeaconBlock, [fieldparams.RootLength]byte{}, nil)
 	require.NoError(t, err)
 	require.Equal(t, true, elapsed > 0, "Elapsed time should be greater than 0")
 }
@@ -231,7 +228,7 @@ func TestService_ReceiveBlockUpdateHead(t *testing.T) {
 }
 
 func TestService_ReceiveBlockBatch(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 
 	genesis, keys := util.DeterministicGenesisState(t, 64)
 	genFullBlock := func(t *testing.T, conf *util.BlockGenConfig, slot primitives.Slot) *ethpb.SignedBeaconBlock {
@@ -296,23 +293,23 @@ func TestService_ReceiveBlockBatch(t *testing.T) {
 func TestService_HasBlock(t *testing.T) {
 	s, _ := minimalTestService(t)
 	r := [32]byte{'a'}
-	if s.HasBlock(t.Context(), r) {
+	if s.HasBlock(context.Background(), r) {
 		t.Error("Should not have block")
 	}
 	wsb, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	require.NoError(t, err)
-	require.NoError(t, s.saveInitSyncBlock(t.Context(), r, wsb))
-	if !s.HasBlock(t.Context(), r) {
+	require.NoError(t, s.saveInitSyncBlock(context.Background(), r, wsb))
+	if !s.HasBlock(context.Background(), r) {
 		t.Error("Should have block")
 	}
 	b := util.NewBeaconBlock()
 	b.Block.Slot = 1
-	util.SaveBlock(t, t.Context(), s.cfg.BeaconDB, b)
+	util.SaveBlock(t, context.Background(), s.cfg.BeaconDB, b)
 	r, err = b.Block.HashTreeRoot()
 	require.NoError(t, err)
-	require.Equal(t, true, s.HasBlock(t.Context(), r))
+	require.Equal(t, true, s.HasBlock(context.Background(), r))
 	s.blockBeingSynced.set(r)
-	require.Equal(t, false, s.HasBlock(t.Context(), r))
+	require.Equal(t, false, s.HasBlock(context.Background(), r))
 }
 
 func TestCheckSaveHotStateDB_Enabling(t *testing.T) {
@@ -321,7 +318,7 @@ func TestCheckSaveHotStateDB_Enabling(t *testing.T) {
 	st := params.BeaconConfig().SlotsPerEpoch.Mul(uint64(epochsSinceFinalitySaveHotStateDB))
 	s.genesisTime = time.Now().Add(time.Duration(-1*int64(st)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
 
-	require.NoError(t, s.checkSaveHotStateDB(t.Context()))
+	require.NoError(t, s.checkSaveHotStateDB(context.Background()))
 	assert.LogsContain(t, hook, "Entering mode to save hot states in DB")
 }
 
@@ -332,19 +329,19 @@ func TestCheckSaveHotStateDB_Disabling(t *testing.T) {
 
 	st := params.BeaconConfig().SlotsPerEpoch.Mul(uint64(epochsSinceFinalitySaveHotStateDB))
 	s.genesisTime = time.Now().Add(time.Duration(-1*int64(st)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
-	require.NoError(t, s.checkSaveHotStateDB(t.Context()))
+	require.NoError(t, s.checkSaveHotStateDB(context.Background()))
 	s.genesisTime = time.Now()
 
-	require.NoError(t, s.checkSaveHotStateDB(t.Context()))
+	require.NoError(t, s.checkSaveHotStateDB(context.Background()))
 	assert.LogsContain(t, hook, "Exiting mode to save hot states in DB")
 }
 
 func TestCheckSaveHotStateDB_Overflow(t *testing.T) {
 	hook := logTest.NewGlobal()
 	s, _ := minimalTestService(t)
-	s.SetGenesisTime(time.Now())
+	s.genesisTime = time.Now()
 
-	require.NoError(t, s.checkSaveHotStateDB(t.Context()))
+	require.NoError(t, s.checkSaveHotStateDB(context.Background()))
 	assert.LogsDoNotContain(t, hook, "Entering mode to save hot states in DB")
 }
 
@@ -352,9 +349,8 @@ func TestHandleCaches_EnablingLargeSize(t *testing.T) {
 	hook := logTest.NewGlobal()
 	s, _ := minimalTestService(t)
 	st := params.BeaconConfig().SlotsPerEpoch.Mul(uint64(epochsSinceFinalitySaveHotStateDB))
-	s.SetGenesisTime(time.Now().Add(time.Duration(-1*int64(st)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second))
+	s.genesisTime = time.Now().Add(time.Duration(-1*int64(st)*int64(params.BeaconConfig().SecondsPerSlot)) * time.Second)
 
-	helpers.ClearCache()
 	require.NoError(t, s.handleCaches())
 	assert.LogsContain(t, hook, "Expanding committee cache size")
 }
@@ -460,7 +456,7 @@ func Test_executePostFinalizationTasks(t *testing.T) {
 
 	headState, err := util.NewBeaconStateElectra()
 	require.NoError(t, err)
-	finalizedStRoot, err := headState.HashTreeRoot(t.Context())
+	finalizedStRoot, err := headState.HashTreeRoot(context.Background())
 	require.NoError(t, err)
 
 	genesis := util.NewBeaconBlock()
@@ -567,48 +563,3 @@ func Test_executePostFinalizationTasks(t *testing.T) {
 	})
 
 }
-
-func TestProcessLightClientBootstrap(t *testing.T) {
-	featCfg := &features.Flags{}
-	featCfg.EnableLightClient = true
-	reset := features.InitWithReset(featCfg)
-	defer reset()
-
-	s, tr := minimalTestService(t, WithLCStore())
-	ctx := tr.ctx
-
-	for testVersion := version.Altair; testVersion <= version.Electra; testVersion++ {
-		t.Run(version.String(testVersion), func(t *testing.T) {
-			l := util.NewTestLightClient(t, testVersion)
-
-			require.NoError(t, s.cfg.BeaconDB.SaveBlock(ctx, l.FinalizedBlock))
-			finalizedBlockRoot, err := l.FinalizedBlock.Block().HashTreeRoot()
-			require.NoError(t, err)
-			require.NoError(t, s.cfg.BeaconDB.SaveState(ctx, l.FinalizedState, finalizedBlockRoot))
-
-			cp := l.AttestedState.FinalizedCheckpoint()
-			require.DeepSSZEqual(t, finalizedBlockRoot, [32]byte(cp.Root))
-
-			require.NoError(t, s.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(&forkchoicetypes.Checkpoint{Epoch: cp.Epoch, Root: [32]byte(cp.Root)}))
-
-			sss, err := s.cfg.BeaconDB.State(ctx, finalizedBlockRoot)
-			require.NoError(t, err)
-			require.NotNil(t, sss)
-
-			s.executePostFinalizationTasks(s.ctx, l.FinalizedState)
-
-			// wait for the goroutine to finish processing
-			time.Sleep(1 * time.Second)
-
-			// Check that the light client bootstrap is saved
-			b, err := s.lcStore.LightClientBootstrap(ctx, [32]byte(cp.Root))
-			require.NoError(t, err)
-			require.NotNil(t, b)
-
-			btst, err := lightClient.NewLightClientBootstrapFromBeaconState(ctx, l.FinalizedState.Slot(), l.FinalizedState, l.FinalizedBlock)
-			require.NoError(t, err)
-			require.DeepEqual(t, btst, b)
-			require.Equal(t, b.Version(), testVersion)
-		})
-	}
-}

beacon-chain/blockchain/receive_data_column.go

@@ -15,6 +15,7 @@ func (s *Service) ReceiveDataColumns(dataColumnSidecars []blocks.VerifiedRODataC
 }
 
 // ReceiveDataColumn receives a single data column.
+// (It is only a wrapper around ReceiveDataColumns.)
 func (s *Service) ReceiveDataColumn(dataColumnSidecar blocks.VerifiedRODataColumn) error {
 	if err := s.dataColumnStorage.Save([]blocks.VerifiedRODataColumn{dataColumnSidecar}); err != nil {
 		return errors.Wrap(err, "save data column sidecars")

beacon-chain/blockchain/service.go

@@ -12,9 +12,11 @@ import (
 	"github.com/OffchainLabs/prysm/v6/async/event"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/kzg"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/cache"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed"
 	statefeed "github.com/OffchainLabs/prysm/v6/beacon-chain/core/feed/state"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/helpers"
 	lightClient "github.com/OffchainLabs/prysm/v6/beacon-chain/core/light-client"
+	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/peerdas"
 	coreTime "github.com/OffchainLabs/prysm/v6/beacon-chain/core/time"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/transition"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/db"
@@ -29,7 +31,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/startup"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/stategen"
-	"github.com/OffchainLabs/prysm/v6/cmd/beacon-chain/flags"
 	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
@@ -47,29 +48,27 @@ import (
 // Service represents a service that handles the internal
 // logic of managing the full PoS beacon chain.
 type Service struct {
-	cfg                            *config
-	ctx                            context.Context
-	cancel                         context.CancelFunc
-	genesisTime                    time.Time
-	head                           *head
-	headLock                       sync.RWMutex
-	originBlockRoot                [32]byte // genesis root, or weak subjectivity checkpoint root, depending on how the node is initialized
-	boundaryRoots                  [][32]byte
-	checkpointStateCache           *cache.CheckpointStateCache
-	initSyncBlocks                 map[[32]byte]interfaces.ReadOnlySignedBeaconBlock
-	initSyncBlocksLock             sync.RWMutex
-	wsVerifier                     *WeakSubjectivityVerifier
-	clockSetter                    startup.ClockSetter
-	clockWaiter                    startup.ClockWaiter
-	syncComplete                   chan struct{}
-	blobNotifiers                  *blobNotifierMap
-	blockBeingSynced               *currentlySyncingBlock
-	blobStorage                    *filesystem.BlobStorage
-	dataColumnStorage              *filesystem.DataColumnStorage
-	slasherEnabled                 bool
-	lcStore                        *lightClient.Store
-	startWaitingDataColumnSidecars chan bool // for testing purposes only
-	syncCommitteeHeadState         *cache.SyncCommitteeHeadStateCache
+	cfg                  *config
+	ctx                  context.Context
+	cancel               context.CancelFunc
+	genesisTime          time.Time
+	head                 *head
+	headLock             sync.RWMutex
+	originBlockRoot      [32]byte // genesis root, or weak subjectivity checkpoint root, depending on how the node is initialized
+	boundaryRoots        [][32]byte
+	checkpointStateCache *cache.CheckpointStateCache
+	initSyncBlocks       map[[32]byte]interfaces.ReadOnlySignedBeaconBlock
+	initSyncBlocksLock   sync.RWMutex
+	wsVerifier           *WeakSubjectivityVerifier
+	clockSetter          startup.ClockSetter
+	clockWaiter          startup.ClockWaiter
+	syncComplete         chan struct{}
+	blobNotifiers        *blobNotifierMap
+	blockBeingSynced     *currentlySyncingBlock
+	blobStorage          *filesystem.BlobStorage
+	dataColumnStorage    *filesystem.DataColumnStorage
+	slasherEnabled       bool
+	lcStore              *lightClient.Store
 }
 
 // config options for the service.
@@ -97,6 +96,7 @@ type config struct {
 	FinalizedStateAtStartUp state.BeaconState
 	ExecutionEngineCaller   execution.EngineCaller
 	SyncChecker             Checker
+	CustodyInfo             *peerdas.CustodyInfo
 }
 
 // Checker is an interface used to determine if a node is in initial sync
@@ -191,15 +191,14 @@ func NewService(ctx context.Context, opts ...Option) (*Service, error) {
 		seenIndex: make(map[[32]byte][fieldparams.NumberOfColumns]bool),
 	}
 	srv := &Service{
-		ctx:                    ctx,
-		cancel:                 cancel,
-		boundaryRoots:          [][32]byte{},
-		checkpointStateCache:   cache.NewCheckpointStateCache(),
-		initSyncBlocks:         make(map[[32]byte]interfaces.ReadOnlySignedBeaconBlock),
-		blobNotifiers:          bn,
-		cfg:                    &config{},
-		blockBeingSynced:       &currentlySyncingBlock{roots: make(map[[32]byte]struct{})},
-		syncCommitteeHeadState: cache.NewSyncCommitteeHeadState(),
+		ctx:                  ctx,
+		cancel:               cancel,
+		boundaryRoots:        [][32]byte{},
+		checkpointStateCache: cache.NewCheckpointStateCache(),
+		initSyncBlocks:       make(map[[32]byte]interfaces.ReadOnlySignedBeaconBlock),
+		blobNotifiers:        bn,
+		cfg:                  &config{},
+		blockBeingSynced:     &currentlySyncingBlock{roots: make(map[[32]byte]struct{})},
 	}
 	for _, opt := range opts {
 		if err := opt(srv); err != nil {
@@ -218,9 +217,17 @@ func NewService(ctx context.Context, opts ...Option) (*Service, error) {
 
 // Start a blockchain service's main event loop.
 func (s *Service) Start() {
+	saved := s.cfg.FinalizedStateAtStartUp
 	defer s.removeStartupState()
-	if err := s.StartFromSavedState(s.cfg.FinalizedStateAtStartUp); err != nil {
-		log.Fatal(err)
+
+	if saved != nil && !saved.IsNil() {
+		if err := s.StartFromSavedState(saved); err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		if err := s.startFromExecutionChain(); err != nil {
+			log.Fatal(err)
+		}
 	}
 	s.spawnProcessAttestationsRoutine()
 	go s.runLateBlockTasks()
@@ -269,11 +276,8 @@ func (s *Service) Status() error {
 
 // StartFromSavedState initializes the blockchain using a previously saved finalized checkpoint.
 func (s *Service) StartFromSavedState(saved state.BeaconState) error {
-	if state.IsNil(saved) {
-		return errors.New("Last finalized state at startup is nil")
-	}
 	log.Info("Blockchain data already exists in DB, initializing...")
-	s.genesisTime = saved.GenesisTime()
+	s.genesisTime = time.Unix(int64(saved.GenesisTime()), 0) // lint:ignore uintcast -- Genesis time will not exceed int64 in your lifetime.
 	s.cfg.AttService.SetGenesisTime(saved.GenesisTime())
 
 	originRoot, err := s.originRootFromSavedState(s.ctx)
@@ -301,16 +305,6 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 	if err := s.clockSetter.SetClock(startup.NewClock(s.genesisTime, vr)); err != nil {
 		return errors.Wrap(err, "failed to initialize blockchain service")
 	}
-
-	earliestAvailableSlot, custodySubnetCount, err := s.updateCustodyInfoInDB(saved.Slot())
-	if err != nil {
-		return errors.Wrap(err, "could not get and save custody group count")
-	}
-
-	if _, _, err := s.cfg.P2P.UpdateCustodyInfo(earliestAvailableSlot, custodySubnetCount); err != nil {
-		return errors.Wrap(err, "update custody info")
-	}
-
 	return nil
 }
 
@@ -373,6 +367,62 @@ func (s *Service) initializeHead(ctx context.Context, st state.BeaconState) erro
 	return nil
 }
 
+func (s *Service) startFromExecutionChain() error {
+	log.Info("Waiting to reach the validator deposit threshold to start the beacon chain...")
+	if s.cfg.ChainStartFetcher == nil {
+		return errors.New("not configured execution chain")
+	}
+	go func() {
+		stateChannel := make(chan *feed.Event, 1)
+		stateSub := s.cfg.StateNotifier.StateFeed().Subscribe(stateChannel)
+		defer stateSub.Unsubscribe()
+		for {
+			select {
+			case e := <-stateChannel:
+				if e.Type == statefeed.ChainStarted {
+					data, ok := e.Data.(*statefeed.ChainStartedData)
+					if !ok {
+						log.Error("event data is not type *statefeed.ChainStartedData")
+						return
+					}
+					log.WithField("startTime", data.StartTime).Debug("Received chain start event")
+					s.onExecutionChainStart(s.ctx, data.StartTime)
+					return
+				}
+			case <-s.ctx.Done():
+				log.Debug("Context closed, exiting goroutine")
+				return
+			case err := <-stateSub.Err():
+				log.WithError(err).Error("Subscription to state forRoot failed")
+				return
+			}
+		}
+	}()
+
+	return nil
+}
+
+// onExecutionChainStart initializes a series of deposits from the ChainStart deposits in the eth1
+// deposit contract, initializes the beacon chain's state, and kicks off the beacon chain.
+func (s *Service) onExecutionChainStart(ctx context.Context, genesisTime time.Time) {
+	preGenesisState := s.cfg.ChainStartFetcher.PreGenesisState()
+	initializedState, err := s.initializeBeaconChain(ctx, genesisTime, preGenesisState, s.cfg.ChainStartFetcher.ChainStartEth1Data())
+	if err != nil {
+		log.WithError(err).Fatal("Could not initialize beacon chain")
+	}
+	// We start a counter to genesis, if needed.
+	gRoot, err := initializedState.HashTreeRoot(s.ctx)
+	if err != nil {
+		log.WithError(err).Fatal("Could not hash tree root genesis state")
+	}
+	go slots.CountdownToGenesis(ctx, genesisTime, uint64(initializedState.NumValidators()), gRoot)
+
+	vr := bytesutil.ToBytes32(initializedState.GenesisValidatorsRoot())
+	if err := s.clockSetter.SetClock(startup.NewClock(genesisTime, vr)); err != nil {
+		log.WithError(err).Fatal("failed to initialize blockchain service from execution start event")
+	}
+}
+
 // initializes the state and genesis block of the beacon chain to persistent storage
 // based on a genesis timestamp value obtained from the ChainStart event emitted
 // by the ETH1.0 Deposit Contract and the POWChain service of the node.
@@ -383,7 +433,7 @@ func (s *Service) initializeBeaconChain(
 	eth1data *ethpb.Eth1Data) (state.BeaconState, error) {
 	ctx, span := trace.StartSpan(ctx, "beacon-chain.Service.initializeBeaconChain")
 	defer span.End()
-	s.genesisTime = genesisTime.Truncate(time.Second) // Genesis time has a precision of 1 second.
+	s.genesisTime = genesisTime
 	unixTime := uint64(genesisTime.Unix())
 
 	genesisState, err := transition.OptimizedGenesisBeaconState(unixTime, preGenesisState, eth1data)
@@ -444,7 +494,7 @@ func (s *Service) saveGenesisData(ctx context.Context, genesisState state.Beacon
 	if err := s.cfg.ForkChoiceStore.SetOptimisticToValid(ctx, genesisBlkRoot); err != nil {
 		return errors.Wrap(err, "Could not set optimistic status of genesis block to false")
 	}
-	s.cfg.ForkChoiceStore.SetGenesisTime(s.genesisTime)
+	s.cfg.ForkChoiceStore.SetGenesisTime(uint64(s.genesisTime.Unix()))
 
 	if err := s.setHead(&head{
 		genesisBlkRoot,
@@ -475,57 +525,6 @@ func (s *Service) removeStartupState() {
 	s.cfg.FinalizedStateAtStartUp = nil
 }
 
-// UpdateCustodyInfoInDB updates the custody information in the database.
-// It returns the (potentially updated) custody group count and the earliest available slot.
-func (s *Service) updateCustodyInfoInDB(slot primitives.Slot) (primitives.Slot, uint64, error) {
-	isSubscribedToAllDataSubnets := flags.Get().SubscribeAllDataSubnets
-
-	beaconConfig := params.BeaconConfig()
-	custodyRequirement := beaconConfig.CustodyRequirement
-
-	// Check if the node was previously subscribed to all data subnets, and if so,
-	// store the new status accordingly.
-	wasSubscribedToAllDataSubnets, err := s.cfg.BeaconDB.UpdateSubscribedToAllDataSubnets(s.ctx, isSubscribedToAllDataSubnets)
-	if err != nil {
-		log.WithError(err).Error("Could not update subscription status to all data subnets")
-	}
-
-	// Warn the user if the node was previously subscribed to all data subnets and is not any more.
-	if wasSubscribedToAllDataSubnets && !isSubscribedToAllDataSubnets {
-		log.Warnf(
-			"Because the flag `--%s` was previously used, the node will still subscribe to all data subnets.",
-			flags.SubscribeAllDataSubnets.Name,
-		)
-	}
-
-	// Compute the custody group count.
-	custodyGroupCount := custodyRequirement
-	if isSubscribedToAllDataSubnets {
-		custodyGroupCount = beaconConfig.NumberOfColumns
-	}
-
-	// Safely compute the fulu fork slot.
-	fuluForkSlot, err := fuluForkSlot()
-	if err != nil {
-		return 0, 0, errors.Wrap(err, "fulu fork slot")
-	}
-
-	// If slot is before the fulu fork slot, then use the earliest stored slot as the reference slot.
-	if slot < fuluForkSlot {
-		slot, err = s.cfg.BeaconDB.EarliestSlot(s.ctx)
-		if err != nil {
-			return 0, 0, errors.Wrap(err, "earliest slot")
-		}
-	}
-
-	custodyGroupCount, earliestAvailableSlot, err := s.cfg.BeaconDB.UpdateCustodyInfo(s.ctx, custodyGroupCount, slot)
-	if err != nil {
-		return 0, 0, errors.Wrap(err, "update custody info")
-	}
-
-	return earliestAvailableSlot, custodyGroupCount, nil
-}
-
 func spawnCountdownIfPreGenesis(ctx context.Context, genesisTime time.Time, db db.HeadAccessDatabase) {
 	currentTime := prysmTime.Now()
 	if currentTime.After(genesisTime) {
@@ -542,19 +541,3 @@ func spawnCountdownIfPreGenesis(ctx context.Context, genesisTime time.Time, db d
 	}
 	go slots.CountdownToGenesis(ctx, genesisTime, uint64(gState.NumValidators()), gRoot)
 }
-
-func fuluForkSlot() (primitives.Slot, error) {
-	beaconConfig := params.BeaconConfig()
-
-	fuluForkEpoch := beaconConfig.FuluForkEpoch
-	if fuluForkEpoch == beaconConfig.FarFutureEpoch {
-		return beaconConfig.FarFutureSlot, nil
-	}
-
-	forkFuluSlot, err := slots.EpochStart(fuluForkEpoch)
-	if err != nil {
-		return 0, errors.Wrap(err, "epoch start")
-	}
-
-	return forkFuluSlot, nil
-}

beacon-chain/blockchain/service_norace_test.go

@@ -1,9 +1,11 @@
 package blockchain
 
 import (
+	"context"
 	"io"
 	"testing"
 
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/OffchainLabs/prysm/v6/testing/util"
@@ -16,12 +18,15 @@ func init() {
 }
 
 func TestChainService_SaveHead_DataRace(t *testing.T) {
-	s := testServiceWithDB(t)
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg: &config{BeaconDB: beaconDB},
+	}
 	b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 	st, _ := util.DeterministicGenesisState(t, 1)
 	require.NoError(t, err)
 	go func() {
-		require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+		require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 	}()
-	require.NoError(t, s.saveHead(t.Context(), [32]byte{}, b, st))
+	require.NoError(t, s.saveHead(context.Background(), [32]byte{}, b, st))
 }

beacon-chain/blockchain/service_test.go

@@ -31,7 +31,6 @@ import (
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v6/container/trie"
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
-	"github.com/OffchainLabs/prysm/v6/genesis"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
@@ -43,7 +42,7 @@ import (
 )
 
 func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
-	ctx := t.Context()
+	ctx := context.Background()
 	var web3Service *execution.Service
 	var err error
 	srv, endpoint, err := mockExecution.SetupRPCServer()
@@ -52,7 +51,6 @@ func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
 		srv.Stop()
 	})
 	bState, _ := util.DeterministicGenesisState(t, 10)
-	genesis.StoreStateDuringTest(t, bState)
 	pbState, err := state_native.ProtobufBeaconStatePhase0(bState.ToProtoUnsafe())
 	require.NoError(t, err)
 	mockTrie, err := trie.NewTrie(0)
@@ -73,22 +71,20 @@ func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
 		DepositContainers: []*ethpb.DepositContainer{},
 	})
 	require.NoError(t, err)
-
-	depositCache, err := depositsnapshot.New()
-	require.NoError(t, err)
-
 	web3Service, err = execution.NewService(
 		ctx,
 		execution.WithDatabase(beaconDB),
 		execution.WithHttpEndpoint(endpoint),
 		execution.WithDepositContractAddress(common.Address{}),
-		execution.WithDepositCache(depositCache),
 	)
 	require.NoError(t, err, "Unable to set up web3 service")
 
 	attService, err := attestations.NewService(ctx, &attestations.Config{Pool: attestations.NewPool()})
 	require.NoError(t, err)
 
+	depositCache, err := depositsnapshot.New()
+	require.NoError(t, err)
+
 	fc := doublylinkedtree.New()
 	stateGen := stategen.New(beaconDB, fc)
 	// Safe a state in stategen to purposes of testing a service stop / shutdown.
@@ -119,7 +115,7 @@ func setupBeaconChain(t *testing.T, beaconDB db.Database) *Service {
 
 func TestChainStartStop_Initialized(t *testing.T) {
 	hook := logTest.NewGlobal()
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
 	chainService := setupBeaconChain(t, beaconDB)
@@ -131,7 +127,7 @@ func TestChainStartStop_Initialized(t *testing.T) {
 	util.SaveBlock(t, ctx, beaconDB, genesisBlk)
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
-	require.NoError(t, s.SetGenesisTime(gt))
+	require.NoError(t, s.SetGenesisTime(uint64(gt.Unix())))
 	require.NoError(t, s.SetSlot(1))
 	require.NoError(t, beaconDB.SaveState(ctx, s, blkRoot))
 	require.NoError(t, beaconDB.SaveHeadBlockRoot(ctx, blkRoot))
@@ -156,7 +152,7 @@ func TestChainStartStop_Initialized(t *testing.T) {
 
 func TestChainStartStop_GenesisZeroHashes(t *testing.T) {
 	hook := logTest.NewGlobal()
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
 	chainService := setupBeaconChain(t, beaconDB)
@@ -168,7 +164,7 @@ func TestChainStartStop_GenesisZeroHashes(t *testing.T) {
 	wsb := util.SaveBlock(t, ctx, beaconDB, genesisBlk)
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
-	require.NoError(t, s.SetGenesisTime(gt))
+	require.NoError(t, s.SetGenesisTime(uint64(gt.Unix())))
 	require.NoError(t, beaconDB.SaveState(ctx, s, blkRoot))
 	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, blkRoot))
 	require.NoError(t, beaconDB.SaveBlock(ctx, wsb))
@@ -188,7 +184,7 @@ func TestChainStartStop_GenesisZeroHashes(t *testing.T) {
 func TestChainService_InitializeBeaconChain(t *testing.T) {
 	helpers.ClearCache()
 	beaconDB := testDB.SetupDB(t)
-	ctx := t.Context()
+	ctx := context.Background()
 
 	bc := setupBeaconChain(t, beaconDB)
 	var err error
@@ -230,7 +226,7 @@ func TestChainService_InitializeBeaconChain(t *testing.T) {
 }
 
 func TestChainService_CorrectGenesisRoots(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 
 	chainService := setupBeaconChain(t, beaconDB)
@@ -242,7 +238,7 @@ func TestChainService_CorrectGenesisRoots(t *testing.T) {
 	util.SaveBlock(t, ctx, beaconDB, genesisBlk)
 	s, err := util.NewBeaconState()
 	require.NoError(t, err)
-	require.NoError(t, s.SetGenesisTime(gt))
+	require.NoError(t, s.SetGenesisTime(uint64(gt.Unix())))
 	require.NoError(t, s.SetSlot(0))
 	require.NoError(t, beaconDB.SaveState(ctx, s, blkRoot))
 	require.NoError(t, beaconDB.SaveHeadBlockRoot(ctx, blkRoot))
@@ -299,7 +295,7 @@ func TestChainService_InitializeChainInfo(t *testing.T) {
 	require.NoError(t, err)
 	assert.DeepSSZEqual(t, headState.ToProtoUnsafe(), s.ToProtoUnsafe(), "Head state incorrect")
 	assert.Equal(t, c.HeadSlot(), headBlock.Block.Slot, "Head slot incorrect")
-	r, err := c.HeadRoot(t.Context())
+	r, err := c.HeadRoot(context.Background())
 	require.NoError(t, err)
 	if !bytes.Equal(headRoot[:], r) {
 		t.Error("head slot incorrect")
@@ -349,8 +345,12 @@ func TestChainService_InitializeChainInfo_SetHeadAtGenesis(t *testing.T) {
 }
 
 func TestChainService_SaveHeadNoDB(t *testing.T) {
-	ctx := t.Context()
-	s := testServiceWithDB(t)
+	beaconDB := testDB.SetupDB(t)
+	ctx := context.Background()
+	fc := doublylinkedtree.New()
+	s := &Service{
+		cfg: &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB, fc), ForkChoiceStore: fc},
+	}
 	blk := util.NewBeaconBlock()
 	blk.Block.Slot = 1
 	r, err := blk.HashTreeRoot()
@@ -370,8 +370,11 @@ func TestChainService_SaveHeadNoDB(t *testing.T) {
 }
 
 func TestHasBlock_ForkChoiceAndDB_DoublyLinkedTree(t *testing.T) {
-	ctx := t.Context()
-	s := testServiceWithDB(t)
+	ctx := context.Background()
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg: &config{ForkChoiceStore: doublylinkedtree.New(), BeaconDB: beaconDB},
+	}
 	b := util.NewBeaconBlock()
 	wsb, err := consensusblocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
@@ -388,21 +391,48 @@ func TestHasBlock_ForkChoiceAndDB_DoublyLinkedTree(t *testing.T) {
 }
 
 func TestServiceStop_SaveCachedBlocks(t *testing.T) {
-	s := testServiceWithDB(t)
-	s.initSyncBlocks = make(map[[32]byte]interfaces.ReadOnlySignedBeaconBlock)
+	ctx, cancel := context.WithCancel(context.Background())
+	beaconDB := testDB.SetupDB(t)
+	s := &Service{
+		cfg:            &config{BeaconDB: beaconDB, StateGen: stategen.New(beaconDB, doublylinkedtree.New())},
+		ctx:            ctx,
+		cancel:         cancel,
+		initSyncBlocks: make(map[[32]byte]interfaces.ReadOnlySignedBeaconBlock),
+	}
 	bb := util.NewBeaconBlock()
 	r, err := bb.Block.HashTreeRoot()
 	require.NoError(t, err)
 	wsb, err := consensusblocks.NewSignedBeaconBlock(bb)
 	require.NoError(t, err)
-	require.NoError(t, s.saveInitSyncBlock(s.ctx, r, wsb))
+	require.NoError(t, s.saveInitSyncBlock(ctx, r, wsb))
 	require.NoError(t, s.Stop())
-	require.Equal(t, true, s.cfg.BeaconDB.HasBlock(s.ctx, r))
+	require.Equal(t, true, s.cfg.BeaconDB.HasBlock(ctx, r))
+}
+
+func TestProcessChainStartTime_ReceivedFeed(t *testing.T) {
+	ctx := context.Background()
+	beaconDB := testDB.SetupDB(t)
+	service := setupBeaconChain(t, beaconDB)
+	mgs := &MockClockSetter{}
+	service.clockSetter = mgs
+	gt := time.Now()
+	service.onExecutionChainStart(context.Background(), gt)
+	gs, err := beaconDB.GenesisState(ctx)
+	require.NoError(t, err)
+	require.NotEqual(t, nil, gs)
+	require.Equal(t, 32, len(gs.GenesisValidatorsRoot()))
+	var zero [32]byte
+	require.DeepNotEqual(t, gs.GenesisValidatorsRoot(), zero[:])
+	require.Equal(t, gt, mgs.G.GenesisTime())
+	require.Equal(t, bytesutil.ToBytes32(gs.GenesisValidatorsRoot()), mgs.G.GenesisValidatorsRoot())
 }
 
 func BenchmarkHasBlockDB(b *testing.B) {
-	ctx := b.Context()
-	s := testServiceWithDB(b)
+	beaconDB := testDB.SetupDB(b)
+	ctx := context.Background()
+	s := &Service{
+		cfg: &config{BeaconDB: beaconDB},
+	}
 	blk := util.NewBeaconBlock()
 	wsb, err := consensusblocks.NewSignedBeaconBlock(blk)
 	require.NoError(b, err)
@@ -417,8 +447,11 @@ func BenchmarkHasBlockDB(b *testing.B) {
 }
 
 func BenchmarkHasBlockForkChoiceStore_DoublyLinkedTree(b *testing.B) {
-	ctx := b.Context()
-	s := testServiceWithDB(b)
+	ctx := context.Background()
+	beaconDB := testDB.SetupDB(b)
+	s := &Service{
+		cfg: &config{ForkChoiceStore: doublylinkedtree.New(), BeaconDB: beaconDB},
+	}
 	blk := util.NewBeaconBlock()
 	r, err := blk.Block.HashTreeRoot()
 	require.NoError(b, err)

beacon-chain/blockchain/setup_forchoice.go

@@ -38,7 +38,7 @@ func (s *Service) startupHeadRoot() [32]byte {
 	if headStr == "head" {
 		root, err := s.cfg.BeaconDB.HeadBlockRoot()
 		if err != nil {
-			log.WithError(err).Error("Could not get head block root, starting with finalized block as head")
+			log.WithError(err).Error("could not get head block root, starting with finalized block as head")
 			return fRoot
 		}
 		log.Infof("Using Head root of %#x", root)
@@ -46,7 +46,7 @@ func (s *Service) startupHeadRoot() [32]byte {
 	}
 	root, err := bytesutil.DecodeHexWithLength(headStr, 32)
 	if err != nil {
-		log.WithError(err).Error("Could not parse head root, starting with finalized block as head")
+		log.WithError(err).Error("could not parse head root, starting with finalized block as head")
 		return fRoot
 	}
 	return [32]byte(root)
@@ -64,16 +64,16 @@ func (s *Service) setupForkchoiceTree(st state.BeaconState) error {
 	}
 	blk, err := s.cfg.BeaconDB.Block(s.ctx, headRoot)
 	if err != nil {
-		log.WithError(err).Error("Could not get head block, starting with finalized block as head")
+		log.WithError(err).Error("could not get head block, starting with finalized block as head")
 		return nil
 	}
 	if slots.ToEpoch(blk.Block().Slot()) < cp.Epoch {
-		log.WithField("headRoot", fmt.Sprintf("%#x", headRoot)).Error("Head block is older than finalized block, starting with finalized block as head")
+		log.WithField("headRoot", fmt.Sprintf("%#x", headRoot)).Error("head block is older than finalized block, starting with finalized block as head")
 		return nil
 	}
 	chain, err := s.buildForkchoiceChain(s.ctx, blk)
 	if err != nil {
-		log.WithError(err).Error("Could not build forkchoice chain, starting with finalized block as head")
+		log.WithError(err).Error("could not build forkchoice chain, starting with finalized block as head")
 		return nil
 	}
 	s.cfg.ForkChoiceStore.Lock()
@@ -170,6 +170,6 @@ func (s *Service) setupForkchoiceCheckpoints() error {
 		Root: fRoot}); err != nil {
 		return errors.Wrap(err, "could not update forkchoice's finalized checkpoint")
 	}
-	s.cfg.ForkChoiceStore.SetGenesisTime(s.genesisTime)
+	s.cfg.ForkChoiceStore.SetGenesisTime(uint64(s.genesisTime.Unix()))
 	return nil
 }

beacon-chain/blockchain/setup_forkchoice_test.go

@@ -32,7 +32,7 @@ func Test_startupHeadRoot(t *testing.T) {
 		})
 		defer resetCfg()
 		require.Equal(t, service.startupHeadRoot(), gr)
-		require.LogsContain(t, hook, "Could not get head block root, starting with finalized block as head")
+		require.LogsContain(t, hook, "could not get head block root, starting with finalized block as head")
 	})
 
 	st, _ := util.DeterministicGenesisState(t, 64)

beacon-chain/blockchain/setup_test.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"sync"
 	"testing"
-	"time"
 
 	"github.com/OffchainLabs/prysm/v6/async/event"
 	mock "github.com/OffchainLabs/prysm/v6/beacon-chain/blockchain/testing"
@@ -25,12 +24,9 @@ import (
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/startup"
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/state/stategen"
 	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v6/config/params"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
-	"github.com/libp2p/go-libp2p/core/peer"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -55,7 +51,6 @@ type mockBroadcaster struct {
 
 type mockAccessor struct {
 	mockBroadcaster
-	mockDataColumnsHandler
 	p2pTesting.MockPeerManager
 }
 
@@ -89,7 +84,7 @@ func (mb *mockBroadcaster) BroadcastLightClientFinalityUpdate(_ context.Context,
 	return nil
 }
 
-func (mb *mockBroadcaster) BroadcastDataColumn(_ [fieldparams.RootLength]byte, _ uint64, _ *ethpb.DataColumnSidecar) error {
+func (mb *mockBroadcaster) BroadcastDataColumn(_ [fieldparams.RootLength]byte, _ uint64, _ *ethpb.DataColumnSidecar, _ ...chan<- bool) error {
 	mb.broadcastCalled = true
 	return nil
 }
@@ -99,43 +94,6 @@ func (mb *mockBroadcaster) BroadcastBLSChanges(_ context.Context, _ []*ethpb.Sig
 
 var _ p2p.Broadcaster = (*mockBroadcaster)(nil)
 
-// mockDataColumnsHandler is a mock implementation of p2p.DataColumnsHandler
-type mockDataColumnsHandler struct {
-	mut                   sync.RWMutex
-	earliestAvailableSlot primitives.Slot
-	custodyGroupCount     uint64
-}
-
-func (dch *mockDataColumnsHandler) EarliestAvailableSlot() primitives.Slot {
-	dch.mut.RLock()
-	defer dch.mut.RUnlock()
-
-	return dch.earliestAvailableSlot
-}
-
-func (dch *mockDataColumnsHandler) CustodyGroupCount() uint64 {
-	dch.mut.RLock()
-	defer dch.mut.RUnlock()
-
-	return dch.custodyGroupCount
-}
-
-func (dch *mockDataColumnsHandler) UpdateCustodyInfo(earliestAvailableSlot primitives.Slot, custodyGroupCount uint64) (primitives.Slot, uint64, error) {
-	dch.mut.Lock()
-	defer dch.mut.Unlock()
-
-	dch.earliestAvailableSlot = earliestAvailableSlot
-	dch.custodyGroupCount = custodyGroupCount
-
-	return earliestAvailableSlot, custodyGroupCount, nil
-}
-
-func (dch *mockDataColumnsHandler) CustodyGroupCountFromPeer(peer.ID) uint64 {
-	return 0
-}
-
-var _ p2p.DataColumnsHandler = (*mockDataColumnsHandler)(nil)
-
 type testServiceRequirements struct {
 	ctx     context.Context
 	db      db.Database
@@ -150,11 +108,9 @@ type testServiceRequirements struct {
 }
 
 func minimalTestService(t *testing.T, opts ...Option) (*Service, *testServiceRequirements) {
-	ctx := t.Context()
-	genesis := time.Now().Add(-1 * 4 * time.Duration(params.BeaconConfig().SlotsPerEpoch*primitives.Slot(params.BeaconConfig().SecondsPerSlot)) * time.Second) // Genesis was 4 epochs ago.
+	ctx := context.Background()
 	beaconDB := testDB.SetupDB(t)
 	fcs := doublylinkedtree.New()
-	fcs.SetGenesisTime(genesis)
 	sg := stategen.New(beaconDB, fcs)
 	notif := &mockBeaconNode{}
 	fcs.SetBalancesByRooter(sg.ActiveNonSlashedBalancesByRoot)
@@ -193,7 +149,6 @@ func minimalTestService(t *testing.T, opts ...Option) (*Service, *testServiceReq
 		WithExecutionEngineCaller(&mockExecution.EngineClient{}),
 		WithP2PBroadcaster(&mockAccessor{}),
 		WithLightClientStore(&lightclient.Store{}),
-		WithGenesisTime(genesis),
 	}
 	// append the variadic opts so they override the defaults by being processed afterwards
 	opts = append(defOpts, opts...)

beacon-chain/blockchain/testing/mock.go

@@ -555,11 +555,11 @@ func (s *ChainService) UpdateHead(ctx context.Context, slot primitives.Slot) {
 	ojc := &ethpb.Checkpoint{}
 	st, root, err := prepareForkchoiceState(ctx, slot, bytesutil.ToBytes32(s.Root), [32]byte{}, [32]byte{}, ojc, ojc)
 	if err != nil {
-		logrus.WithError(err).Error("Could not update head")
+		logrus.WithError(err).Error("could not update head")
 	}
 	err = s.ForkChoiceStore.InsertNode(ctx, st, root)
 	if err != nil {
-		logrus.WithError(err).Error("Could not insert node to forkchoice")
+		logrus.WithError(err).Error("could not insert node to forkchoice")
 	}
 }
 
@@ -641,7 +641,7 @@ func (s *ChainService) GetProposerHead() [32]byte {
 }
 
 // SetForkChoiceGenesisTime mocks the same method in the chain service
-func (s *ChainService) SetForkChoiceGenesisTime(timestamp time.Time) {
+func (s *ChainService) SetForkChoiceGenesisTime(timestamp uint64) {
 	if s.ForkChoiceStore != nil {
 		s.ForkChoiceStore.SetGenesisTime(timestamp)
 	}

beacon-chain/blockchain/weak_subjectivity_checks_test.go

@@ -1,8 +1,11 @@
 package blockchain
 
 import (
+	"context"
 	"testing"
 
+	testDB "github.com/OffchainLabs/prysm/v6/beacon-chain/db/testing"
+	doublylinkedtree "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/doubly-linked-tree"
 	forkchoicetypes "github.com/OffchainLabs/prysm/v6/beacon-chain/forkchoice/types"
 	fieldparams "github.com/OffchainLabs/prysm/v6/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
@@ -15,8 +18,11 @@ import (
 )
 
 func TestService_VerifyWeakSubjectivityRoot(t *testing.T) {
+	beaconDB := testDB.SetupDB(t)
+
 	b := util.NewBeaconBlock()
 	b.Block.Slot = 1792480
+	util.SaveBlock(t, context.Background(), beaconDB, b)
 	r, err := b.Block.HashTreeRoot()
 	require.NoError(t, err)
 
@@ -63,17 +69,17 @@ func TestService_VerifyWeakSubjectivityRoot(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			s := testServiceWithDB(t)
-			beaconDB := s.cfg.BeaconDB
-			util.SaveBlock(t, t.Context(), beaconDB, b)
 			wv, err := NewWeakSubjectivityVerifier(tt.checkpt, beaconDB)
-			require.NoError(t, err)
-			s.cfg.WeakSubjectivityCheckpt = tt.checkpt
-			s.wsVerifier = wv
 			require.Equal(t, !tt.disabled, wv.enabled)
-			require.NoError(t, s.cfg.ForkChoiceStore.UpdateFinalizedCheckpoint(&forkchoicetypes.Checkpoint{Epoch: tt.finalizedEpoch}))
+			require.NoError(t, err)
+			fcs := doublylinkedtree.New()
+			s := &Service{
+				cfg:        &config{BeaconDB: beaconDB, WeakSubjectivityCheckpt: tt.checkpt, ForkChoiceStore: fcs},
+				wsVerifier: wv,
+			}
+			require.NoError(t, fcs.UpdateFinalizedCheckpoint(&forkchoicetypes.Checkpoint{Epoch: tt.finalizedEpoch}))
 			cp := s.cfg.ForkChoiceStore.FinalizedCheckpoint()
-			err = s.wsVerifier.VerifyWeakSubjectivity(t.Context(), cp.Epoch)
+			err = s.wsVerifier.VerifyWeakSubjectivity(context.Background(), cp.Epoch)
 			if tt.wantErr == nil {
 				require.NoError(t, err)
 			} else {

beacon-chain/builder/service.go

@@ -24,7 +24,7 @@ var ErrNoBuilder = errors.New("builder endpoint not configured")
 
 // BlockBuilder defines the interface for interacting with the block builder
 type BlockBuilder interface {
-	SubmitBlindedBlock(ctx context.Context, block interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error)
+	SubmitBlindedBlock(ctx context.Context, block interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error)
 	GetHeader(ctx context.Context, slot primitives.Slot, parentHash [32]byte, pubKey [48]byte) (builder.SignedBid, error)
 	RegisterValidator(ctx context.Context, reg []*ethpb.SignedValidatorRegistrationV1) error
 	RegistrationByValidatorID(ctx context.Context, id primitives.ValidatorIndex) (*ethpb.ValidatorRegistrationV1, error)
@@ -68,7 +68,7 @@ func NewService(ctx context.Context, opts ...Option) (*Service, error) {
 			log.WithError(err).Error("Failed to check builder status")
 		} else {
 			log.WithField("endpoint", s.c.NodeURL()).Info("Builder has been configured")
-			log.Warn("Outsourcing block construction to external builders adds non-trivial delay to block propagation time. " +
+			log.Warn("Outsourcing block construction to external builders adds non-trivial delay to block propagation time.  " +
 				"Builder-constructed blocks or fallback blocks may get orphaned. Use at your own risk!")
 		}
 	}
@@ -87,7 +87,7 @@ func (s *Service) Stop() error {
 }
 
 // SubmitBlindedBlock submits a blinded block to the builder relay network.
-func (s *Service) SubmitBlindedBlock(ctx context.Context, b interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error) {
+func (s *Service) SubmitBlindedBlock(ctx context.Context, b interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
 	ctx, span := trace.StartSpan(ctx, "builder.SubmitBlindedBlock")
 	defer span.End()
 	start := time.Now()

beacon-chain/builder/service_test.go

@@ -1,6 +1,7 @@
 package builder
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -14,19 +15,19 @@ import (
 )
 
 func Test_NewServiceWithBuilder(t *testing.T) {
-	s, err := NewService(t.Context(), WithBuilderClient(&buildertesting.MockClient{}))
+	s, err := NewService(context.Background(), WithBuilderClient(&buildertesting.MockClient{}))
 	require.NoError(t, err)
 	assert.Equal(t, true, s.Configured())
 }
 
 func Test_NewServiceWithoutBuilder(t *testing.T) {
-	s, err := NewService(t.Context())
+	s, err := NewService(context.Background())
 	require.NoError(t, err)
 	assert.Equal(t, false, s.Configured())
 }
 
 func Test_RegisterValidator(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	db := dbtesting.SetupDB(t)
 	headFetcher := &blockchainTesting.ChainService{}
 	builder := buildertesting.NewClient()
@@ -39,7 +40,7 @@ func Test_RegisterValidator(t *testing.T) {
 }
 
 func Test_RegisterValidator_WithCache(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	headFetcher := &blockchainTesting.ChainService{}
 	builder := buildertesting.NewClient()
 	s, err := NewService(ctx, WithRegistrationCache(), WithHeadFetcher(headFetcher), WithBuilderClient(&builder))
@@ -54,16 +55,16 @@ func Test_RegisterValidator_WithCache(t *testing.T) {
 }
 
 func Test_BuilderMethodsWithouClient(t *testing.T) {
-	s, err := NewService(t.Context())
+	s, err := NewService(context.Background())
 	require.NoError(t, err)
 	assert.Equal(t, false, s.Configured())
 
-	_, err = s.GetHeader(t.Context(), 0, [32]byte{}, [48]byte{})
+	_, err = s.GetHeader(context.Background(), 0, [32]byte{}, [48]byte{})
 	assert.ErrorContains(t, ErrNoBuilder.Error(), err)
 
-	_, _, err = s.SubmitBlindedBlock(t.Context(), nil)
+	_, _, err = s.SubmitBlindedBlock(context.Background(), nil)
 	assert.ErrorContains(t, ErrNoBuilder.Error(), err)
 
-	err = s.RegisterValidator(t.Context(), nil)
+	err = s.RegisterValidator(context.Background(), nil)
 	assert.ErrorContains(t, ErrNoBuilder.Error(), err)
 }

beacon-chain/builder/testing/mock.go

@@ -29,7 +29,6 @@ type MockBuilderService struct {
 	PayloadCapella        *v1.ExecutionPayloadCapella
 	PayloadDeneb          *v1.ExecutionPayloadDeneb
 	BlobBundle            *v1.BlobsBundle
-	BlobBundleV2          *v1.BlobsBundleV2
 	ErrSubmitBlindedBlock error
 	Bid                   *ethpb.SignedBuilderBid
 	BidCapella            *ethpb.SignedBuilderBidCapella
@@ -47,7 +46,7 @@ func (s *MockBuilderService) Configured() bool {
 }
 
 // SubmitBlindedBlock for mocking.
-func (s *MockBuilderService) SubmitBlindedBlock(_ context.Context, b interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, v1.BlobsBundler, error) {
+func (s *MockBuilderService) SubmitBlindedBlock(_ context.Context, b interfaces.ReadOnlySignedBeaconBlock) (interfaces.ExecutionData, *v1.BlobsBundle, error) {
 	switch b.Version() {
 	case version.Bellatrix:
 		w, err := blocks.WrappedExecutionPayload(s.Payload)
@@ -67,16 +66,6 @@ func (s *MockBuilderService) SubmitBlindedBlock(_ context.Context, b interfaces.
 			return nil, nil, errors.Wrap(err, "could not wrap deneb payload")
 		}
 		return w, s.BlobBundle, s.ErrSubmitBlindedBlock
-	case version.Fulu:
-		w, err := blocks.WrappedExecutionPayloadDeneb(s.PayloadDeneb)
-		if err != nil {
-			return nil, nil, errors.Wrap(err, "could not wrap deneb payload for fulu")
-		}
-		// For Fulu, return BlobsBundleV2 if available, otherwise regular BlobsBundle
-		if s.BlobBundleV2 != nil {
-			return w, s.BlobBundleV2, s.ErrSubmitBlindedBlock
-		}
-		return w, s.BlobBundle, s.ErrSubmitBlindedBlock
 	default:
 		return nil, nil, errors.New("unknown block version for mocking")
 	}

beacon-chain/cache/committee_fuzz_test.go

@@ -3,6 +3,7 @@
 package cache
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/testing/assert"
@@ -29,8 +30,8 @@ func TestCommitteeCache_FuzzCommitteesByEpoch(t *testing.T) {
 
 	for i := 0; i < 100000; i++ {
 		fuzzer.Fuzz(c)
-		require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), c))
-		_, err := cache.Committee(t.Context(), 0, c.Seed, 0)
+		require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), c))
+		_, err := cache.Committee(context.Background(), 0, c.Seed, 0)
 		require.NoError(t, err)
 	}
 
@@ -44,9 +45,9 @@ func TestCommitteeCache_FuzzActiveIndices(t *testing.T) {
 
 	for i := 0; i < 100000; i++ {
 		fuzzer.Fuzz(c)
-		require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), c))
+		require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), c))
 
-		indices, err := cache.ActiveIndices(t.Context(), c.Seed)
+		indices, err := cache.ActiveIndices(context.Background(), c.Seed)
 		require.NoError(t, err)
 		assert.DeepEqual(t, c.SortedIndices, indices)
 	}

beacon-chain/cache/committee_test.go

@@ -44,15 +44,15 @@ func TestCommitteeCache_CommitteesByEpoch(t *testing.T) {
 
 	slot := params.BeaconConfig().SlotsPerEpoch
 	committeeIndex := primitives.CommitteeIndex(1)
-	indices, err := cache.Committee(t.Context(), slot, item.Seed, committeeIndex)
+	indices, err := cache.Committee(context.Background(), slot, item.Seed, committeeIndex)
 	require.NoError(t, err)
 	if indices != nil {
 		t.Error("Expected committee not to exist in empty cache")
 	}
-	require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), item))
+	require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), item))
 
 	wantedIndex := primitives.CommitteeIndex(0)
-	indices, err = cache.Committee(t.Context(), slot, item.Seed, wantedIndex)
+	indices, err = cache.Committee(context.Background(), slot, item.Seed, wantedIndex)
 	require.NoError(t, err)
 
 	start, end := startEndIndices(item, uint64(wantedIndex))
@@ -63,15 +63,15 @@ func TestCommitteeCache_ActiveIndices(t *testing.T) {
 	cache := NewCommitteesCache()
 
 	item := &Committees{Seed: [32]byte{'A'}, SortedIndices: []primitives.ValidatorIndex{1, 2, 3, 4, 5, 6}}
-	indices, err := cache.ActiveIndices(t.Context(), item.Seed)
+	indices, err := cache.ActiveIndices(context.Background(), item.Seed)
 	require.NoError(t, err)
 	if indices != nil {
 		t.Error("Expected committee not to exist in empty cache")
 	}
 
-	require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), item))
+	require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), item))
 
-	indices, err = cache.ActiveIndices(t.Context(), item.Seed)
+	indices, err = cache.ActiveIndices(context.Background(), item.Seed)
 	require.NoError(t, err)
 	assert.DeepEqual(t, item.SortedIndices, indices)
 }
@@ -80,13 +80,13 @@ func TestCommitteeCache_ActiveCount(t *testing.T) {
 	cache := NewCommitteesCache()
 
 	item := &Committees{Seed: [32]byte{'A'}, SortedIndices: []primitives.ValidatorIndex{1, 2, 3, 4, 5, 6}}
-	count, err := cache.ActiveIndicesCount(t.Context(), item.Seed)
+	count, err := cache.ActiveIndicesCount(context.Background(), item.Seed)
 	require.NoError(t, err)
 	assert.Equal(t, 0, count, "Expected active count not to exist in empty cache")
 
-	require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), item))
+	require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), item))
 
-	count, err = cache.ActiveIndicesCount(t.Context(), item.Seed)
+	count, err = cache.ActiveIndicesCount(context.Background(), item.Seed)
 	require.NoError(t, err)
 	assert.Equal(t, len(item.SortedIndices), count)
 }
@@ -100,7 +100,7 @@ func TestCommitteeCache_CanRotate(t *testing.T) {
 	for i := start; i < end; i++ {
 		s := []byte(strconv.Itoa(i))
 		item := &Committees{Seed: bytesutil.ToBytes32(s)}
-		require.NoError(t, cache.AddCommitteeShuffledList(t.Context(), item))
+		require.NoError(t, cache.AddCommitteeShuffledList(context.Background(), item))
 	}
 
 	k := cache.CommitteeCache.Keys()
@@ -130,7 +130,7 @@ func TestCommitteeCacheOutOfRange(t *testing.T) {
 	assert.NoError(t, err)
 	_ = cache.CommitteeCache.Add(key, comms)
 
-	_, err = cache.Committee(t.Context(), 0, seed, math.MaxUint64) // Overflow!
+	_, err = cache.Committee(context.Background(), 0, seed, math.MaxUint64) // Overflow!
 	require.NotNil(t, err, "Did not fail as expected")
 }
 
@@ -138,15 +138,15 @@ func TestCommitteeCache_DoesNothingWhenCancelledContext(t *testing.T) {
 	cache := NewCommitteesCache()
 
 	item := &Committees{Seed: [32]byte{'A'}, SortedIndices: []primitives.ValidatorIndex{1, 2, 3, 4, 5, 6}}
-	count, err := cache.ActiveIndicesCount(t.Context(), item.Seed)
+	count, err := cache.ActiveIndicesCount(context.Background(), item.Seed)
 	require.NoError(t, err)
 	assert.Equal(t, 0, count, "Expected active count not to exist in empty cache")
 
-	cancelled, cancel := context.WithCancel(t.Context())
+	cancelled, cancel := context.WithCancel(context.Background())
 	cancel()
 	require.ErrorIs(t, cache.AddCommitteeShuffledList(cancelled, item), context.Canceled)
 
-	count, err = cache.ActiveIndicesCount(t.Context(), item.Seed)
+	count, err = cache.ActiveIndicesCount(context.Background(), item.Seed)
 	require.NoError(t, err)
 	assert.Equal(t, 0, count)
 }

beacon-chain/cache/depositsnapshot/deposit_cache_test.go

@@ -2,6 +2,7 @@ package depositsnapshot
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	"math/big"
 	"testing"
@@ -54,7 +55,7 @@ func TestAllDeposits_ReturnsAllDeposits(t *testing.T) {
 	}
 	dc.deposits = deposits
 
-	d := dc.AllDeposits(t.Context(), nil)
+	d := dc.AllDeposits(context.Background(), nil)
 	assert.Equal(t, len(deposits), len(d))
 }
 
@@ -94,7 +95,7 @@ func TestAllDeposits_FiltersDepositUpToAndIncludingBlockNumber(t *testing.T) {
 	}
 	dc.deposits = deposits
 
-	d := dc.AllDeposits(t.Context(), big.NewInt(11))
+	d := dc.AllDeposits(context.Background(), big.NewInt(11))
 	assert.Equal(t, 5, len(d))
 }
 
@@ -126,7 +127,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				DepositRoot:     wantedRoot,
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(13))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(13))
 		assert.Equal(t, 4, int(n))
 		require.DeepEqual(t, wantedRoot, root[:])
 	})
@@ -142,7 +143,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				DepositRoot:     wantedRoot,
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(10))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(10))
 		assert.Equal(t, 1, int(n))
 		require.DeepEqual(t, wantedRoot, root[:])
 	})
@@ -168,7 +169,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				Deposit:         &ethpb.Deposit{},
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(10))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(10))
 		assert.Equal(t, 2, int(n))
 		require.DeepEqual(t, wantedRoot, root[:])
 	})
@@ -184,7 +185,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				DepositRoot:     wantedRoot,
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(7))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(7))
 		assert.Equal(t, 0, int(n))
 		require.DeepEqual(t, params.BeaconConfig().ZeroHash, root)
 	})
@@ -200,7 +201,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				DepositRoot:     wantedRoot,
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(10))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(10))
 		assert.Equal(t, 1, int(n))
 		require.DeepEqual(t, wantedRoot, root[:])
 	})
@@ -236,7 +237,7 @@ func TestDepositsNumberAndRootAtHeight(t *testing.T) {
 				Deposit:         &ethpb.Deposit{},
 			},
 		}
-		n, root := dc.DepositsNumberAndRootAtHeight(t.Context(), big.NewInt(9))
+		n, root := dc.DepositsNumberAndRootAtHeight(context.Background(), big.NewInt(9))
 		assert.Equal(t, 3, int(n))
 		require.DeepEqual(t, wantedRoot, root[:])
 	})
@@ -287,10 +288,10 @@ func TestDepositByPubkey_ReturnsFirstMatchingDeposit(t *testing.T) {
 			},
 		},
 	}
-	dc.InsertDepositContainers(t.Context(), ctrs)
+	dc.InsertDepositContainers(context.Background(), ctrs)
 
 	pk1 := bytesutil.PadTo([]byte("pk1"), 48)
-	dep, blkNum := dc.DepositByPubkey(t.Context(), pk1)
+	dep, blkNum := dc.DepositByPubkey(context.Background(), pk1)
 
 	if dep == nil || !bytes.Equal(dep.Data.PublicKey, pk1) {
 		t.Error("Returned wrong deposit")
@@ -302,7 +303,7 @@ func TestDepositByPubkey_ReturnsFirstMatchingDeposit(t *testing.T) {
 func TestInsertDepositContainers_NotNil(t *testing.T) {
 	dc, err := New()
 	require.NoError(t, err)
-	dc.InsertDepositContainers(t.Context(), nil)
+	dc.InsertDepositContainers(context.Background(), nil)
 	assert.DeepEqual(t, []*ethpb.DepositContainer{}, dc.deposits)
 }
 
@@ -358,10 +359,10 @@ func TestFinalizedDeposits_DepositsCachedCorrectly(t *testing.T) {
 		err = dc.finalizedDeposits.depositTree.pushLeaf(root)
 		require.NoError(t, err)
 	}
-	err = dc.InsertFinalizedDeposits(t.Context(), 2, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 2, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	cachedDeposits, err := dc.FinalizedDeposits(t.Context())
+	cachedDeposits, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
 	assert.Equal(t, int64(2), cachedDeposits.MerkleTrieIndex())
@@ -424,15 +425,15 @@ func TestFinalizedDeposits_UtilizesPreviouslyCachedDeposits(t *testing.T) {
 		err = dc.finalizedDeposits.Deposits().Insert(root[:], 0)
 		require.NoError(t, err)
 	}
-	err = dc.InsertFinalizedDeposits(t.Context(), 1, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 1, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	err = dc.InsertFinalizedDeposits(t.Context(), 2, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 2, [32]byte{}, 0)
 	require.NoError(t, err)
 
 	dc.deposits = append(dc.deposits, []*ethpb.DepositContainer{newFinalizedDeposit}...)
 
-	cachedDeposits, err := dc.FinalizedDeposits(t.Context())
+	cachedDeposits, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
 	require.Equal(t, int64(1), cachedDeposits.MerkleTrieIndex())
@@ -458,10 +459,10 @@ func TestFinalizedDeposits_HandleZeroDeposits(t *testing.T) {
 	dc, err := New()
 	require.NoError(t, err)
 
-	err = dc.InsertFinalizedDeposits(t.Context(), 2, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 2, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	cachedDeposits, err := dc.FinalizedDeposits(t.Context())
+	cachedDeposits, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
 	assert.Equal(t, int64(-1), cachedDeposits.MerkleTrieIndex())
@@ -508,10 +509,10 @@ func TestFinalizedDeposits_HandleSmallerThanExpectedDeposits(t *testing.T) {
 	}
 	dc.deposits = finalizedDeposits
 
-	err = dc.InsertFinalizedDeposits(t.Context(), 5, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 5, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	cachedDeposits, err := dc.FinalizedDeposits(t.Context())
+	cachedDeposits, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
 	assert.Equal(t, int64(2), cachedDeposits.MerkleTrieIndex())
@@ -591,14 +592,14 @@ func TestFinalizedDeposits_HandleLowerEth1DepositIndex(t *testing.T) {
 	}
 	dc.deposits = finalizedDeposits
 
-	err = dc.InsertFinalizedDeposits(t.Context(), 5, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 5, [32]byte{}, 0)
 	require.NoError(t, err)
 
 	// Reinsert finalized deposits with a lower index.
-	err = dc.InsertFinalizedDeposits(t.Context(), 2, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 2, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	cachedDeposits, err := dc.FinalizedDeposits(t.Context())
+	cachedDeposits, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
 	require.NotNil(t, cachedDeposits, "Deposits not cached")
 	assert.Equal(t, int64(5), cachedDeposits.MerkleTrieIndex())
@@ -669,10 +670,10 @@ func TestNonFinalizedDeposits_ReturnsAllNonFinalizedDeposits(t *testing.T) {
 			Index:       3,
 			DepositRoot: rootCreator('D'),
 		})
-	err = dc.InsertFinalizedDeposits(t.Context(), 1, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 1, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	deps := dc.NonFinalizedDeposits(t.Context(), 1, nil)
+	deps := dc.NonFinalizedDeposits(context.Background(), 1, nil)
 	assert.Equal(t, 2, len(deps))
 }
 
@@ -680,7 +681,7 @@ func TestNonFinalizedDeposits_ReturnsAllNonFinalizedDeposits_Nil(t *testing.T) {
 	dc, err := New()
 	require.NoError(t, err)
 
-	deps := dc.NonFinalizedDeposits(t.Context(), 0, nil)
+	deps := dc.NonFinalizedDeposits(context.Background(), 0, nil)
 	assert.Equal(t, 0, len(deps))
 }
 
@@ -739,10 +740,10 @@ func TestNonFinalizedDeposits_ReturnsNonFinalizedDepositsUpToBlockNumber(t *test
 			Index:       3,
 			DepositRoot: rootCreator('D'),
 		})
-	err = dc.InsertFinalizedDeposits(t.Context(), 1, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 1, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	deps := dc.NonFinalizedDeposits(t.Context(), 1, big.NewInt(10))
+	deps := dc.NonFinalizedDeposits(context.Background(), 1, big.NewInt(10))
 	assert.Equal(t, 1, len(deps))
 }
 
@@ -784,21 +785,21 @@ func TestFinalizedDeposits_ReturnsTrieCorrectly(t *testing.T) {
 	assert.NoError(t, err)
 
 	// Perform this in a nonsensical ordering
-	err = dc.InsertFinalizedDeposits(t.Context(), 1, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 1, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 2, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 2, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 3, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 3, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 4, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 4, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 4, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 4, [32]byte{}, 0)
 	require.NoError(t, err)
 
 	// Mimic finalized deposit trie fetch.
-	fd, err := dc.FinalizedDeposits(t.Context())
+	fd, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
-	deps := dc.NonFinalizedDeposits(t.Context(), fd.MerkleTrieIndex(), nil)
+	deps := dc.NonFinalizedDeposits(context.Background(), fd.MerkleTrieIndex(), nil)
 	insertIndex := fd.MerkleTrieIndex() + 1
 
 	for _, dep := range deps {
@@ -809,24 +810,24 @@ func TestFinalizedDeposits_ReturnsTrieCorrectly(t *testing.T) {
 		}
 		insertIndex++
 	}
-	err = dc.InsertFinalizedDeposits(t.Context(), 5, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 5, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 6, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 6, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 9, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 9, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 12, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 12, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 15, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 15, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 15, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 15, [32]byte{}, 0)
 	require.NoError(t, err)
-	err = dc.InsertFinalizedDeposits(t.Context(), 14, [32]byte{}, 0)
+	err = dc.InsertFinalizedDeposits(context.Background(), 14, [32]byte{}, 0)
 	require.NoError(t, err)
 
-	fd, err = dc.FinalizedDeposits(t.Context())
+	fd, err = dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
-	deps = dc.NonFinalizedDeposits(t.Context(), fd.MerkleTrieIndex(), nil)
+	deps = dc.NonFinalizedDeposits(context.Background(), fd.MerkleTrieIndex(), nil)
 	insertIndex = fd.MerkleTrieIndex() + 1
 
 	for _, dep := range dc.deposits {
@@ -887,9 +888,9 @@ func TestMin(t *testing.T) {
 	}
 	dc.deposits = finalizedDeposits
 
-	fd, err := dc.FinalizedDeposits(t.Context())
+	fd, err := dc.FinalizedDeposits(context.Background())
 	require.NoError(t, err)
-	deps := dc.NonFinalizedDeposits(t.Context(), fd.MerkleTrieIndex(), big.NewInt(16))
+	deps := dc.NonFinalizedDeposits(context.Background(), fd.MerkleTrieIndex(), big.NewInt(16))
 	insertIndex := fd.MerkleTrieIndex() + 1
 	for _, dep := range deps {
 		depHash, err := dep.Data.HashTreeRoot()
@@ -907,28 +908,28 @@ func TestDepositMap_WorksCorrectly(t *testing.T) {
 	require.NoError(t, err)
 
 	pk0 := bytesutil.PadTo([]byte("pk0"), 48)
-	dep, _ := dc.DepositByPubkey(t.Context(), pk0)
+	dep, _ := dc.DepositByPubkey(context.Background(), pk0)
 	var nilDep *ethpb.Deposit
 	assert.DeepEqual(t, nilDep, dep)
 
 	dep = &ethpb.Deposit{Proof: makeDepositProof(), Data: &ethpb.Deposit_Data{PublicKey: pk0, Amount: 1000}}
-	assert.NoError(t, dc.InsertDeposit(t.Context(), dep, 1000, 0, [32]byte{}))
+	assert.NoError(t, dc.InsertDeposit(context.Background(), dep, 1000, 0, [32]byte{}))
 
-	dep, _ = dc.DepositByPubkey(t.Context(), pk0)
+	dep, _ = dc.DepositByPubkey(context.Background(), pk0)
 	assert.NotEqual(t, nilDep, dep)
 	assert.Equal(t, uint64(1000), dep.Data.Amount)
 
 	dep = &ethpb.Deposit{Proof: makeDepositProof(), Data: &ethpb.Deposit_Data{PublicKey: pk0, Amount: 10000}}
-	assert.NoError(t, dc.InsertDeposit(t.Context(), dep, 1000, 1, [32]byte{}))
+	assert.NoError(t, dc.InsertDeposit(context.Background(), dep, 1000, 1, [32]byte{}))
 
 	// Make sure we have the same deposit returned over here.
-	dep, _ = dc.DepositByPubkey(t.Context(), pk0)
+	dep, _ = dc.DepositByPubkey(context.Background(), pk0)
 	assert.NotEqual(t, nilDep, dep)
 	assert.Equal(t, uint64(1000), dep.Data.Amount)
 
 	// Make sure another key doesn't work.
 	pk1 := bytesutil.PadTo([]byte("pk1"), 48)
-	dep, _ = dc.DepositByPubkey(t.Context(), pk1)
+	dep, _ = dc.DepositByPubkey(context.Background(), pk1)
 	assert.DeepEqual(t, nilDep, dep)
 }
 

beacon-chain/cache/depositsnapshot/deposit_fetcher_test.go

@@ -1,6 +1,7 @@
 package depositsnapshot
 
 import (
+	"context"
 	"math/big"
 	"testing"
 
@@ -12,14 +13,14 @@ var _ PendingDepositsFetcher = (*Cache)(nil)
 
 func TestInsertPendingDeposit_OK(t *testing.T) {
 	dc := Cache{}
-	dc.InsertPendingDeposit(t.Context(), &ethpb.Deposit{}, 111, 100, [32]byte{})
+	dc.InsertPendingDeposit(context.Background(), &ethpb.Deposit{}, 111, 100, [32]byte{})
 
 	assert.Equal(t, 1, len(dc.pendingDeposits), "deposit not inserted")
 }
 
 func TestInsertPendingDeposit_ignoresNilDeposit(t *testing.T) {
 	dc := Cache{}
-	dc.InsertPendingDeposit(t.Context(), nil /*deposit*/, 0 /*blockNum*/, 0, [32]byte{})
+	dc.InsertPendingDeposit(context.Background(), nil /*deposit*/, 0 /*blockNum*/, 0, [32]byte{})
 
 	assert.Equal(t, 0, len(dc.pendingDeposits))
 }
@@ -33,13 +34,13 @@ func TestPendingDeposits_OK(t *testing.T) {
 		{Eth1BlockHeight: 6, Deposit: &ethpb.Deposit{Proof: [][]byte{[]byte("c")}}},
 	}
 
-	deposits := dc.PendingDeposits(t.Context(), big.NewInt(4))
+	deposits := dc.PendingDeposits(context.Background(), big.NewInt(4))
 	expected := []*ethpb.Deposit{
 		{Proof: [][]byte{[]byte("A")}},
 		{Proof: [][]byte{[]byte("B")}},
 	}
 	assert.DeepSSZEqual(t, expected, deposits)
 
-	all := dc.PendingDeposits(t.Context(), nil)
+	all := dc.PendingDeposits(context.Background(), nil)
 	assert.Equal(t, len(dc.pendingDeposits), len(all), "PendingDeposits(ctx, nil) did not return all deposits")
 }

beacon-chain/cache/depositsnapshot/deposit_pruner_test.go

@@ -1,6 +1,7 @@
 package depositsnapshot
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/encoding/bytesutil"
@@ -21,7 +22,7 @@ func TestPrunePendingDeposits_ZeroMerkleIndex(t *testing.T) {
 		{Eth1BlockHeight: 12, Index: 12},
 	}
 
-	dc.PrunePendingDeposits(t.Context(), 0)
+	dc.PrunePendingDeposits(context.Background(), 0)
 	expected := []*ethpb.DepositContainer{
 		{Eth1BlockHeight: 2, Index: 2},
 		{Eth1BlockHeight: 4, Index: 4},
@@ -45,7 +46,7 @@ func TestPrunePendingDeposits_OK(t *testing.T) {
 		{Eth1BlockHeight: 12, Index: 12},
 	}
 
-	dc.PrunePendingDeposits(t.Context(), 6)
+	dc.PrunePendingDeposits(context.Background(), 6)
 	expected := []*ethpb.DepositContainer{
 		{Eth1BlockHeight: 6, Index: 6},
 		{Eth1BlockHeight: 8, Index: 8},
@@ -64,7 +65,7 @@ func TestPrunePendingDeposits_OK(t *testing.T) {
 		{Eth1BlockHeight: 12, Index: 12},
 	}
 
-	dc.PrunePendingDeposits(t.Context(), 10)
+	dc.PrunePendingDeposits(context.Background(), 10)
 	expected = []*ethpb.DepositContainer{
 		{Eth1BlockHeight: 10, Index: 10},
 		{Eth1BlockHeight: 12, Index: 12},
@@ -85,7 +86,7 @@ func TestPruneAllPendingDeposits(t *testing.T) {
 		{Eth1BlockHeight: 12, Index: 12},
 	}
 
-	dc.PruneAllPendingDeposits(t.Context())
+	dc.PruneAllPendingDeposits(context.Background())
 	expected := []*ethpb.DepositContainer{}
 
 	assert.DeepEqual(t, expected, dc.pendingDeposits)
@@ -127,10 +128,10 @@ func TestPruneProofs_Ok(t *testing.T) {
 	}
 
 	for _, ins := range deposits {
-		assert.NoError(t, dc.InsertDeposit(t.Context(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
+		assert.NoError(t, dc.InsertDeposit(context.Background(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
 	}
 
-	require.NoError(t, dc.PruneProofs(t.Context(), 1))
+	require.NoError(t, dc.PruneProofs(context.Background(), 1))
 
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[0].Deposit.Proof)
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[1].Deposit.Proof)
@@ -172,10 +173,10 @@ func TestPruneProofs_SomeAlreadyPruned(t *testing.T) {
 	}
 
 	for _, ins := range deposits {
-		assert.NoError(t, dc.InsertDeposit(t.Context(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
+		assert.NoError(t, dc.InsertDeposit(context.Background(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
 	}
 
-	require.NoError(t, dc.PruneProofs(t.Context(), 2))
+	require.NoError(t, dc.PruneProofs(context.Background(), 2))
 
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[2].Deposit.Proof)
 }
@@ -216,10 +217,10 @@ func TestPruneProofs_PruneAllWhenDepositIndexTooBig(t *testing.T) {
 	}
 
 	for _, ins := range deposits {
-		assert.NoError(t, dc.InsertDeposit(t.Context(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
+		assert.NoError(t, dc.InsertDeposit(context.Background(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
 	}
 
-	require.NoError(t, dc.PruneProofs(t.Context(), 99))
+	require.NoError(t, dc.PruneProofs(context.Background(), 99))
 
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[0].Deposit.Proof)
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[1].Deposit.Proof)
@@ -263,10 +264,10 @@ func TestPruneProofs_CorrectlyHandleLastIndex(t *testing.T) {
 	}
 
 	for _, ins := range deposits {
-		assert.NoError(t, dc.InsertDeposit(t.Context(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
+		assert.NoError(t, dc.InsertDeposit(context.Background(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
 	}
 
-	require.NoError(t, dc.PruneProofs(t.Context(), 4))
+	require.NoError(t, dc.PruneProofs(context.Background(), 4))
 
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[0].Deposit.Proof)
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[1].Deposit.Proof)
@@ -310,10 +311,10 @@ func TestPruneAllProofs(t *testing.T) {
 	}
 
 	for _, ins := range deposits {
-		assert.NoError(t, dc.InsertDeposit(t.Context(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
+		assert.NoError(t, dc.InsertDeposit(context.Background(), ins.deposit, ins.blkNum, ins.index, [32]byte{}))
 	}
 
-	dc.PruneAllProofs(t.Context())
+	dc.PruneAllProofs(context.Background())
 
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[0].Deposit.Proof)
 	assert.DeepEqual(t, [][]byte(nil), dc.deposits[1].Deposit.Proof)

beacon-chain/cache/registration_test.go

@@ -1,6 +1,7 @@
 package cache
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -23,7 +24,7 @@ func TestRegistrationCache(t *testing.T) {
 		Timestamp:    uint64(time.Now().Unix()),
 		Pubkey:       pubkey,
 	}
-	cache.UpdateIndexToRegisteredMap(t.Context(), m)
+	cache.UpdateIndexToRegisteredMap(context.Background(), m)
 	reg, err := cache.RegistrationByIndex(validatorIndex)
 	require.NoError(t, err)
 	require.Equal(t, string(reg.Pubkey), string(pubkey))
@@ -37,7 +38,7 @@ func TestRegistrationCache(t *testing.T) {
 			Timestamp:    uint64(time.Now().Unix()),
 			Pubkey:       pubkey,
 		}
-		cache.UpdateIndexToRegisteredMap(t.Context(), m)
+		cache.UpdateIndexToRegisteredMap(context.Background(), m)
 		reg, err := cache.RegistrationByIndex(validatorIndex2)
 		require.NoError(t, err)
 		require.Equal(t, string(reg.Pubkey), string(pubkey))

beacon-chain/cache/skip_slot_cache_test.go

@@ -1,6 +1,7 @@
 package cache_test
 
 import (
+	"context"
 	"sync"
 	"testing"
 
@@ -13,7 +14,7 @@ import (
 )
 
 func TestSkipSlotCache_RoundTrip(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	c := cache.NewSkipSlotCache()
 
 	r := [32]byte{'a'}
@@ -37,7 +38,7 @@ func TestSkipSlotCache_RoundTrip(t *testing.T) {
 }
 
 func TestSkipSlotCache_DisabledAndEnabled(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	c := cache.NewSkipSlotCache()
 
 	r := [32]byte{'a'}

beacon-chain/cache/sync_committee.go

@@ -178,7 +178,7 @@ func (s *SyncCommitteeCache) UpdatePositionsInCommittee(syncCommitteeBoundaryRoo
 	s.lock.Lock()
 	defer s.lock.Unlock()
 	if clearCount != s.cleared.Load() {
-		log.Warn("Cache rotated during async committee update operation - abandoning cache update")
+		log.Warn("cache rotated during async committee update operation - abandoning cache update")
 		return nil
 	}
 

beacon-chain/core/altair/BUILD.bazel

@@ -81,7 +81,6 @@ go_test(
         "//proto/prysm/v1alpha1/attestation:go_default_library",
         "//runtime/version:go_default_library",
         "//testing/assert:go_default_library",
-        "//testing/fuzz:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
         "//time:go_default_library",

beacon-chain/core/altair/attestation_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"fmt"
 	"testing"
 
@@ -18,10 +19,9 @@ import (
 	"github.com/OffchainLabs/prysm/v6/math"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1/attestation"
-	"github.com/OffchainLabs/prysm/v6/testing/fuzz"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
 	"github.com/OffchainLabs/prysm/v6/testing/util"
-	gofuzz "github.com/google/gofuzz"
+	fuzz "github.com/google/gofuzz"
 	"github.com/prysmaticlabs/go-bitfield"
 )
 
@@ -50,7 +50,7 @@ func TestProcessAttestations_InclusionDelayFailure(t *testing.T) {
 	)
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 }
 
@@ -81,7 +81,7 @@ func TestProcessAttestations_NeitherCurrentNorPrevEpoch(t *testing.T) {
 	)
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 }
 
@@ -110,13 +110,13 @@ func TestProcessAttestations_CurrentEpochFFGDataMismatches(t *testing.T) {
 	want := "source check point not equal to current justified checkpoint"
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 	b.Block.Body.Attestations[0].Data.Source.Epoch = time.CurrentEpoch(beaconState)
 	b.Block.Body.Attestations[0].Data.Source.Root = []byte{}
 	wsb, err = blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 }
 
@@ -151,14 +151,14 @@ func TestProcessAttestations_PrevEpochFFGDataMismatches(t *testing.T) {
 	want := "source check point not equal to previous justified checkpoint"
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 	b.Block.Body.Attestations[0].Data.Source.Epoch = time.PrevEpoch(beaconState)
 	b.Block.Body.Attestations[0].Data.Target.Epoch = time.PrevEpoch(beaconState)
 	b.Block.Body.Attestations[0].Data.Source.Root = []byte{}
 	wsb, err = blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, want, err)
 }
 
@@ -190,7 +190,7 @@ func TestProcessAttestations_InvalidAggregationBitsLength(t *testing.T) {
 	expected := "failed to verify aggregation bitfield: wanted participants bitfield length 3, got: 4"
 	wsb, err := blocks.NewSignedBeaconBlock(b)
 	require.NoError(t, err)
-	_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+	_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 	require.ErrorContains(t, expected, err)
 }
 
@@ -214,7 +214,7 @@ func TestProcessAttestations_OK(t *testing.T) {
 		cfc.Root = mockRoot[:]
 		require.NoError(t, beaconState.SetCurrentJustifiedCheckpoint(cfc))
 
-		committee, err := helpers.BeaconCommitteeFromState(t.Context(), beaconState, att.Data.Slot, 0)
+		committee, err := helpers.BeaconCommitteeFromState(context.Background(), beaconState, att.Data.Slot, 0)
 		require.NoError(t, err)
 		attestingIndices, err := attestation.AttestingIndices(att, committee)
 		require.NoError(t, err)
@@ -235,7 +235,7 @@ func TestProcessAttestations_OK(t *testing.T) {
 		require.NoError(t, err)
 		wsb, err := blocks.NewSignedBeaconBlock(block)
 		require.NoError(t, err)
-		_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+		_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 		require.NoError(t, err)
 	})
 	t.Run("post-Electra", func(t *testing.T) {
@@ -260,7 +260,7 @@ func TestProcessAttestations_OK(t *testing.T) {
 		cfc.Root = mockRoot[:]
 		require.NoError(t, beaconState.SetCurrentJustifiedCheckpoint(cfc))
 
-		committee, err := helpers.BeaconCommitteeFromState(t.Context(), beaconState, att.Data.Slot, 0)
+		committee, err := helpers.BeaconCommitteeFromState(context.Background(), beaconState, att.Data.Slot, 0)
 		require.NoError(t, err)
 		attestingIndices, err := attestation.AttestingIndices(att, committee)
 		require.NoError(t, err)
@@ -281,7 +281,7 @@ func TestProcessAttestations_OK(t *testing.T) {
 		require.NoError(t, err)
 		wsb, err := blocks.NewSignedBeaconBlock(block)
 		require.NoError(t, err)
-		_, err = altair.ProcessAttestationsNoVerifySignature(t.Context(), beaconState, wsb.Block())
+		_, err = altair.ProcessAttestationsNoVerifySignature(context.Background(), beaconState, wsb.Block())
 		require.NoError(t, err)
 	})
 }
@@ -313,13 +313,13 @@ func TestProcessAttestationNoVerify_SourceTargetHead(t *testing.T) {
 
 	b, err := helpers.TotalActiveBalance(beaconState)
 	require.NoError(t, err)
-	beaconState, err = altair.ProcessAttestationNoVerifySignature(t.Context(), beaconState, att, b)
+	beaconState, err = altair.ProcessAttestationNoVerifySignature(context.Background(), beaconState, att, b)
 	require.NoError(t, err)
 
 	p, err := beaconState.CurrentEpochParticipation()
 	require.NoError(t, err)
 
-	committee, err := helpers.BeaconCommitteeFromState(t.Context(), beaconState, att.Data.Slot, att.Data.CommitteeIndex)
+	committee, err := helpers.BeaconCommitteeFromState(context.Background(), beaconState, att.Data.Slot, att.Data.CommitteeIndex)
 	require.NoError(t, err)
 	indices, err := attestation.AttestingIndices(att, committee)
 	require.NoError(t, err)
@@ -458,7 +458,7 @@ func TestValidatorFlag_Add_ExceedsLength(t *testing.T) {
 }
 
 func TestFuzzProcessAttestationsNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	st := &ethpb.BeaconStateAltair{}
 	b := &ethpb.SignedBeaconBlockAltair{Block: &ethpb.BeaconBlockAltair{}}
 	for i := 0; i < 10000; i++ {
@@ -474,11 +474,10 @@ func TestFuzzProcessAttestationsNoVerify_10000(t *testing.T) {
 		}
 		wsb, err := blocks.NewSignedBeaconBlock(b)
 		require.NoError(t, err)
-		r, err := altair.ProcessAttestationsNoVerifySignature(t.Context(), s, wsb.Block())
+		r, err := altair.ProcessAttestationsNoVerifySignature(context.Background(), s, wsb.Block())
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, s, b)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
@@ -556,10 +555,10 @@ func TestSetParticipationAndRewardProposer(t *testing.T) {
 
 			b, err := helpers.TotalActiveBalance(beaconState)
 			require.NoError(t, err)
-			st, err := altair.SetParticipationAndRewardProposer(t.Context(), beaconState, test.epoch, test.indices, test.participatedFlags, b)
+			st, err := altair.SetParticipationAndRewardProposer(context.Background(), beaconState, test.epoch, test.indices, test.participatedFlags, b)
 			require.NoError(t, err)
 
-			i, err := helpers.BeaconProposerIndex(t.Context(), st)
+			i, err := helpers.BeaconProposerIndex(context.Background(), st)
 			require.NoError(t, err)
 			b, err = beaconState.BalanceAtIndex(i)
 			require.NoError(t, err)
@@ -662,8 +661,8 @@ func TestRewardProposer(t *testing.T) {
 		{rewardNumerator: 1000000000000, want: 34234377253},
 	}
 	for _, test := range tests {
-		require.NoError(t, altair.RewardProposer(t.Context(), beaconState, test.rewardNumerator))
-		i, err := helpers.BeaconProposerIndex(t.Context(), beaconState)
+		require.NoError(t, altair.RewardProposer(context.Background(), beaconState, test.rewardNumerator))
+		i, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
 		require.NoError(t, err)
 		b, err := beaconState.BalanceAtIndex(i)
 		require.NoError(t, err)

beacon-chain/core/altair/block_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"math"
 	"testing"
 
@@ -25,7 +26,7 @@ import (
 func TestProcessSyncCommittee_PerfectParticipation(t *testing.T) {
 	beaconState, privKeys := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.NoError(t, beaconState.SetCurrentSyncCommittee(committee))
 
@@ -33,7 +34,7 @@ func TestProcessSyncCommittee_PerfectParticipation(t *testing.T) {
 	for i := range syncBits {
 		syncBits[i] = 0xff
 	}
-	indices, err := altair.NextSyncCommitteeIndices(t.Context(), beaconState)
+	indices, err := altair.NextSyncCommitteeIndices(context.Background(), beaconState)
 	require.NoError(t, err)
 	ps := slots.PrevSlot(beaconState.Slot())
 	pbr, err := helpers.BlockRootAtSlot(beaconState, ps)
@@ -54,7 +55,7 @@ func TestProcessSyncCommittee_PerfectParticipation(t *testing.T) {
 	}
 
 	var reward uint64
-	beaconState, reward, err = altair.ProcessSyncAggregate(t.Context(), beaconState, syncAggregate)
+	beaconState, reward, err = altair.ProcessSyncAggregate(context.Background(), beaconState, syncAggregate)
 	require.NoError(t, err)
 	assert.Equal(t, uint64(72192), reward)
 
@@ -76,7 +77,7 @@ func TestProcessSyncCommittee_PerfectParticipation(t *testing.T) {
 	require.Equal(t, true, balances[indices[0]] > balances[nonSyncIndex])
 
 	// Proposer should be more profitable than rest of the sync committee
-	proposerIndex, err := helpers.BeaconProposerIndex(t.Context(), beaconState)
+	proposerIndex, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.Equal(t, true, balances[proposerIndex] > balances[indices[0]])
 
@@ -101,7 +102,7 @@ func TestProcessSyncCommittee_PerfectParticipation(t *testing.T) {
 func TestProcessSyncCommittee_MixParticipation_BadSignature(t *testing.T) {
 	beaconState, privKeys := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.NoError(t, beaconState.SetCurrentSyncCommittee(committee))
 
@@ -109,7 +110,7 @@ func TestProcessSyncCommittee_MixParticipation_BadSignature(t *testing.T) {
 	for i := range syncBits {
 		syncBits[i] = 0xAA
 	}
-	indices, err := altair.NextSyncCommitteeIndices(t.Context(), beaconState)
+	indices, err := altair.NextSyncCommitteeIndices(context.Background(), beaconState)
 	require.NoError(t, err)
 	ps := slots.PrevSlot(beaconState.Slot())
 	pbr, err := helpers.BlockRootAtSlot(beaconState, ps)
@@ -129,14 +130,14 @@ func TestProcessSyncCommittee_MixParticipation_BadSignature(t *testing.T) {
 		SyncCommitteeSignature: aggregatedSig,
 	}
 
-	_, _, err = altair.ProcessSyncAggregate(t.Context(), beaconState, syncAggregate)
+	_, _, err = altair.ProcessSyncAggregate(context.Background(), beaconState, syncAggregate)
 	require.ErrorContains(t, "invalid sync committee signature", err)
 }
 
 func TestProcessSyncCommittee_MixParticipation_GoodSignature(t *testing.T) {
 	beaconState, privKeys := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.NoError(t, beaconState.SetCurrentSyncCommittee(committee))
 
@@ -144,7 +145,7 @@ func TestProcessSyncCommittee_MixParticipation_GoodSignature(t *testing.T) {
 	for i := range syncBits {
 		syncBits[i] = 0xAA
 	}
-	indices, err := altair.NextSyncCommitteeIndices(t.Context(), beaconState)
+	indices, err := altair.NextSyncCommitteeIndices(context.Background(), beaconState)
 	require.NoError(t, err)
 	ps := slots.PrevSlot(beaconState.Slot())
 	pbr, err := helpers.BlockRootAtSlot(beaconState, ps)
@@ -166,7 +167,7 @@ func TestProcessSyncCommittee_MixParticipation_GoodSignature(t *testing.T) {
 		SyncCommitteeSignature: aggregatedSig,
 	}
 
-	_, _, err = altair.ProcessSyncAggregate(t.Context(), beaconState, syncAggregate)
+	_, _, err = altair.ProcessSyncAggregate(context.Background(), beaconState, syncAggregate)
 	require.NoError(t, err)
 }
 
@@ -174,7 +175,7 @@ func TestProcessSyncCommittee_MixParticipation_GoodSignature(t *testing.T) {
 func TestProcessSyncCommittee_DontPrecompute(t *testing.T) {
 	beaconState, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	committeeKeys := committee.Pubkeys
 	committeeKeys[1] = committeeKeys[0]
@@ -191,7 +192,7 @@ func TestProcessSyncCommittee_DontPrecompute(t *testing.T) {
 		SyncCommitteeBits: syncBits,
 	}
 	require.NoError(t, beaconState.UpdateBalancesAtIndex(idx, 0))
-	st, votedKeys, _, err := altair.ProcessSyncAggregateEported(t.Context(), beaconState, syncAggregate)
+	st, votedKeys, _, err := altair.ProcessSyncAggregateEported(context.Background(), beaconState, syncAggregate)
 	require.NoError(t, err)
 	require.Equal(t, 511, len(votedKeys))
 	require.DeepEqual(t, committeeKeys[0], votedKeys[0].Marshal())
@@ -202,7 +203,7 @@ func TestProcessSyncCommittee_DontPrecompute(t *testing.T) {
 func TestProcessSyncCommittee_processSyncAggregate(t *testing.T) {
 	beaconState, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.NoError(t, beaconState.SetCurrentSyncCommittee(committee))
 
@@ -214,7 +215,7 @@ func TestProcessSyncCommittee_processSyncAggregate(t *testing.T) {
 		SyncCommitteeBits: syncBits,
 	}
 
-	st, votedKeys, _, err := altair.ProcessSyncAggregateEported(t.Context(), beaconState, syncAggregate)
+	st, votedKeys, _, err := altair.ProcessSyncAggregateEported(context.Background(), beaconState, syncAggregate)
 	require.NoError(t, err)
 	votedMap := make(map[[fieldparams.BLSPubkeyLength]byte]bool)
 	for _, key := range votedKeys {
@@ -227,7 +228,7 @@ func TestProcessSyncCommittee_processSyncAggregate(t *testing.T) {
 	committeeKeys := currentSyncCommittee.Pubkeys
 	balances := st.Balances()
 
-	proposerIndex, err := helpers.BeaconProposerIndex(t.Context(), beaconState)
+	proposerIndex, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
 	require.NoError(t, err)
 
 	for i := 0; i < len(syncBits); i++ {
@@ -253,7 +254,7 @@ func TestProcessSyncCommittee_processSyncAggregate(t *testing.T) {
 func Test_VerifySyncCommitteeSig(t *testing.T) {
 	beaconState, privKeys := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, beaconState.SetSlot(1))
-	committee, err := altair.NextSyncCommittee(t.Context(), beaconState)
+	committee, err := altair.NextSyncCommittee(context.Background(), beaconState)
 	require.NoError(t, err)
 	require.NoError(t, beaconState.SetCurrentSyncCommittee(committee))
 
@@ -261,7 +262,7 @@ func Test_VerifySyncCommitteeSig(t *testing.T) {
 	for i := range syncBits {
 		syncBits[i] = 0xff
 	}
-	indices, err := altair.NextSyncCommitteeIndices(t.Context(), beaconState)
+	indices, err := altair.NextSyncCommitteeIndices(context.Background(), beaconState)
 	require.NoError(t, err)
 	ps := slots.PrevSlot(beaconState.Slot())
 	pbr, err := helpers.BlockRootAtSlot(beaconState, ps)

beacon-chain/core/altair/deposit_fuzz_test.go

@@ -1,21 +1,21 @@
 package altair_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/altair"
 	state_native "github.com/OffchainLabs/prysm/v6/beacon-chain/state/state-native"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v6/testing/fuzz"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
-	gofuzz "github.com/google/gofuzz"
+	fuzz "github.com/google/gofuzz"
 )
 
 func TestFuzzProcessDeposits_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconStateAltair{}
 	deposits := make([]*ethpb.Deposit, 100)
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		for i := range deposits {
@@ -27,15 +27,14 @@ func TestFuzzProcessDeposits_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, deposits)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessPreGenesisDeposit_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconStateAltair{}
 	deposit := &ethpb.Deposit{}
-	ctx := t.Context()
+	ctx := context.Background()
 
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
@@ -46,15 +45,14 @@ func TestFuzzProcessPreGenesisDeposit_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, deposit)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessPreGenesisDeposit_Phase0_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	deposit := &ethpb.Deposit{}
-	ctx := t.Context()
+	ctx := context.Background()
 
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
@@ -65,12 +63,11 @@ func TestFuzzProcessPreGenesisDeposit_Phase0_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, deposit)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessDeposit_Phase0_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	deposit := &ethpb.Deposit{}
 
@@ -83,12 +80,11 @@ func TestFuzzProcessDeposit_Phase0_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, deposit)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessDeposit_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconStateAltair{}
 	deposit := &ethpb.Deposit{}
 
@@ -101,6 +97,5 @@ func TestFuzzProcessDeposit_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, deposit)
 		}
-		fuzz.FreeMemory(i)
 	}
 }

beacon-chain/core/altair/deposit_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/altair"
@@ -41,7 +42,7 @@ func TestProcessDeposits_SameValidatorMultipleDepositsSameBlock(t *testing.T) {
 		},
 	})
 	require.NoError(t, err)
-	newState, err := altair.ProcessDeposits(t.Context(), beaconState, []*ethpb.Deposit{dep[0], dep[1], dep[2]})
+	newState, err := altair.ProcessDeposits(context.Background(), beaconState, []*ethpb.Deposit{dep[0], dep[1], dep[2]})
 	require.NoError(t, err, "Expected block deposits to process correctly")
 	require.Equal(t, 2, len(newState.Validators()), "Incorrect validator count")
 }
@@ -69,7 +70,7 @@ func TestProcessDeposits_AddsNewValidatorDeposit(t *testing.T) {
 		},
 	})
 	require.NoError(t, err)
-	newState, err := altair.ProcessDeposits(t.Context(), beaconState, []*ethpb.Deposit{dep[0]})
+	newState, err := altair.ProcessDeposits(context.Background(), beaconState, []*ethpb.Deposit{dep[0]})
 	require.NoError(t, err, "Expected block deposits to process correctly")
 	if newState.Balances()[1] != dep[0].Data.Amount {
 		t.Errorf(
@@ -126,7 +127,7 @@ func TestProcessDeposits_RepeatedDeposit_IncreasesValidatorBalance(t *testing.T)
 		},
 	})
 	require.NoError(t, err)
-	newState, err := altair.ProcessDeposits(t.Context(), beaconState, []*ethpb.Deposit{deposit})
+	newState, err := altair.ProcessDeposits(context.Background(), beaconState, []*ethpb.Deposit{deposit})
 	require.NoError(t, err, "Process deposit failed")
 	require.Equal(t, uint64(1000+50), newState.Balances()[1], "Expected balance at index 1 to be 1050")
 }
@@ -255,7 +256,7 @@ func TestPreGenesisDeposits_SkipInvalidDeposit(t *testing.T) {
 		},
 	})
 	require.NoError(t, err)
-	newState, err := altair.ProcessPreGenesisDeposits(t.Context(), beaconState, dep)
+	newState, err := altair.ProcessPreGenesisDeposits(context.Background(), beaconState, dep)
 	require.NoError(t, err, "Expected invalid block deposit to be ignored without error")
 
 	_, ok := newState.ValidatorIndexByPubkey(bytesutil.ToBytes48(dep[0].Data.PublicKey))
@@ -369,6 +370,6 @@ func TestProcessDeposits_MerkleBranchFailsVerification(t *testing.T) {
 	})
 	require.NoError(t, err)
 	want := "deposit root did not verify"
-	_, err = altair.ProcessDeposits(t.Context(), beaconState, b.Block.Body.Deposits)
+	_, err = altair.ProcessDeposits(context.Background(), beaconState, b.Block.Body.Deposits)
 	assert.ErrorContains(t, want, err)
 }

beacon-chain/core/altair/epoch_precompute_test.go

@@ -1,6 +1,7 @@
 package altair
 
 import (
+	"context"
 	"math"
 	"testing"
 
@@ -31,7 +32,7 @@ func TestInitializeEpochValidators_Ok(t *testing.T) {
 		InactivityScores: []uint64{0, 1, 2, 3},
 	})
 	require.NoError(t, err)
-	v, b, err := InitializePrecomputeValidators(t.Context(), s)
+	v, b, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
 	assert.DeepEqual(t, &precompute.Validator{
 		IsSlashed:                    true,
@@ -73,7 +74,7 @@ func TestInitializeEpochValidators_Overflow(t *testing.T) {
 		InactivityScores: []uint64{0, 1},
 	})
 	require.NoError(t, err)
-	_, _, err = InitializePrecomputeValidators(t.Context(), s)
+	_, _, err = InitializePrecomputeValidators(context.Background(), s)
 	require.ErrorContains(t, "could not read every validator: addition overflows", err)
 }
 
@@ -83,16 +84,16 @@ func TestInitializeEpochValidators_BadState(t *testing.T) {
 		InactivityScores: []uint64{},
 	})
 	require.NoError(t, err)
-	_, _, err = InitializePrecomputeValidators(t.Context(), s)
+	_, _, err = InitializePrecomputeValidators(context.Background(), s)
 	require.ErrorContains(t, "num of validators is different than num of inactivity scores", err)
 }
 
 func TestProcessEpochParticipation(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	require.DeepEqual(t, &precompute.Validator{
 		IsActiveCurrentEpoch:         true,
@@ -168,9 +169,9 @@ func TestProcessEpochParticipation_InactiveValidator(t *testing.T) {
 		InactivityScores: []uint64{0, 0, 0},
 	})
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), st)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), st)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), st, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), st, balance, validators)
 	require.NoError(t, err)
 	require.DeepEqual(t, &precompute.Validator{
 		IsActiveCurrentEpoch:         false,
@@ -208,9 +209,9 @@ func TestProcessEpochParticipation_InactiveValidator(t *testing.T) {
 func TestAttestationsDelta(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	deltas, err := AttestationsDelta(s, balance, validators)
 	require.NoError(t, err)
@@ -246,9 +247,9 @@ func TestAttestationsDelta(t *testing.T) {
 func TestAttestationsDeltaBellatrix(t *testing.T) {
 	s, err := testStateBellatrix()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	deltas, err := AttestationsDelta(s, balance, validators)
 	require.NoError(t, err)
@@ -284,9 +285,9 @@ func TestAttestationsDeltaBellatrix(t *testing.T) {
 func TestProcessRewardsAndPenaltiesPrecompute_Ok(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	s, err = ProcessRewardsAndPenaltiesPrecompute(s, balance, validators)
 	require.NoError(t, err)
@@ -323,9 +324,9 @@ func TestProcessRewardsAndPenaltiesPrecompute_Ok(t *testing.T) {
 func TestProcessRewardsAndPenaltiesPrecompute_InactivityLeak(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	sCopy := s.Copy()
 	s, err = ProcessRewardsAndPenaltiesPrecompute(s, balance, validators)
@@ -351,11 +352,11 @@ func TestProcessInactivityScores_CanProcessInactivityLeak(t *testing.T) {
 	defaultScore := uint64(5)
 	require.NoError(t, s.SetInactivityScores([]uint64{defaultScore, defaultScore, defaultScore, defaultScore}))
 	require.NoError(t, s.SetSlot(params.BeaconConfig().SlotsPerEpoch*primitives.Slot(params.BeaconConfig().MinEpochsToInactivityPenalty+2)))
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, _, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, _, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
-	s, _, err = ProcessInactivityScores(t.Context(), s, validators)
+	s, _, err = ProcessInactivityScores(context.Background(), s, validators)
 	require.NoError(t, err)
 	inactivityScores, err := s.InactivityScores()
 	require.NoError(t, err)
@@ -372,11 +373,11 @@ func TestProcessInactivityScores_GenesisEpoch(t *testing.T) {
 	defaultScore := uint64(10)
 	require.NoError(t, s.SetInactivityScores([]uint64{defaultScore, defaultScore, defaultScore, defaultScore}))
 	require.NoError(t, s.SetSlot(params.BeaconConfig().GenesisSlot))
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, _, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, _, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
-	s, _, err = ProcessInactivityScores(t.Context(), s, validators)
+	s, _, err = ProcessInactivityScores(context.Background(), s, validators)
 	require.NoError(t, err)
 	inactivityScores, err := s.InactivityScores()
 	require.NoError(t, err)
@@ -391,11 +392,11 @@ func TestProcessInactivityScores_CanProcessNonInactivityLeak(t *testing.T) {
 	require.NoError(t, err)
 	defaultScore := uint64(5)
 	require.NoError(t, s.SetInactivityScores([]uint64{defaultScore, defaultScore, defaultScore, defaultScore}))
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, _, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, _, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
-	s, _, err = ProcessInactivityScores(t.Context(), s, validators)
+	s, _, err = ProcessInactivityScores(context.Background(), s, validators)
 	require.NoError(t, err)
 	inactivityScores, err := s.InactivityScores()
 	require.NoError(t, err)
@@ -409,9 +410,9 @@ func TestProcessInactivityScores_CanProcessNonInactivityLeak(t *testing.T) {
 func TestProcessRewardsAndPenaltiesPrecompute_GenesisEpoch(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	validators, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	require.NoError(t, s.SetSlot(0))
 	s, err = ProcessRewardsAndPenaltiesPrecompute(s, balance, validators)
@@ -428,9 +429,9 @@ func TestProcessRewardsAndPenaltiesPrecompute_GenesisEpoch(t *testing.T) {
 func TestProcessRewardsAndPenaltiesPrecompute_BadState(t *testing.T) {
 	s, err := testState()
 	require.NoError(t, err)
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
-	_, balance, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	_, balance, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
 	_, err = ProcessRewardsAndPenaltiesPrecompute(s, balance, []*precompute.Validator{})
 	require.ErrorContains(t, "validator registries not the same length as state's validator registries", err)
@@ -441,7 +442,7 @@ func TestProcessInactivityScores_NonEligibleValidator(t *testing.T) {
 	require.NoError(t, err)
 	defaultScore := uint64(5)
 	require.NoError(t, s.SetInactivityScores([]uint64{defaultScore, defaultScore, defaultScore, defaultScore}))
-	validators, balance, err := InitializePrecomputeValidators(t.Context(), s)
+	validators, balance, err := InitializePrecomputeValidators(context.Background(), s)
 	require.NoError(t, err)
 
 	// v0 is eligible (not active previous epoch, slashed and not withdrawable)
@@ -462,9 +463,9 @@ func TestProcessInactivityScores_NonEligibleValidator(t *testing.T) {
 	// v3 is eligible (active previous epoch)
 	validators[3].IsActivePrevEpoch = true
 
-	validators, _, err = ProcessEpochParticipation(t.Context(), s, balance, validators)
+	validators, _, err = ProcessEpochParticipation(context.Background(), s, balance, validators)
 	require.NoError(t, err)
-	s, _, err = ProcessInactivityScores(t.Context(), s, validators)
+	s, _, err = ProcessInactivityScores(context.Background(), s, validators)
 	require.NoError(t, err)
 	inactivityScores, err := s.InactivityScores()
 	require.NoError(t, err)

beacon-chain/core/altair/epoch_spec_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"fmt"
 	"math"
 	"testing"
@@ -28,7 +29,7 @@ func TestProcessSyncCommitteeUpdates_CanRotate(t *testing.T) {
 		BodyRoot:   bytesutil.PadTo([]byte{'c'}, 32),
 	}
 	require.NoError(t, s.SetLatestBlockHeader(h))
-	postState, err := altair.ProcessSyncCommitteeUpdates(t.Context(), s)
+	postState, err := altair.ProcessSyncCommitteeUpdates(context.Background(), s)
 	require.NoError(t, err)
 	current, err := postState.CurrentSyncCommittee()
 	require.NoError(t, err)
@@ -37,7 +38,7 @@ func TestProcessSyncCommitteeUpdates_CanRotate(t *testing.T) {
 	require.DeepEqual(t, current, next)
 
 	require.NoError(t, s.SetSlot(params.BeaconConfig().SlotsPerEpoch))
-	postState, err = altair.ProcessSyncCommitteeUpdates(t.Context(), s)
+	postState, err = altair.ProcessSyncCommitteeUpdates(context.Background(), s)
 	require.NoError(t, err)
 	c, err := postState.CurrentSyncCommittee()
 	require.NoError(t, err)
@@ -47,7 +48,7 @@ func TestProcessSyncCommitteeUpdates_CanRotate(t *testing.T) {
 	require.DeepEqual(t, next, n)
 
 	require.NoError(t, s.SetSlot(primitives.Slot(params.BeaconConfig().EpochsPerSyncCommitteePeriod)*params.BeaconConfig().SlotsPerEpoch-1))
-	postState, err = altair.ProcessSyncCommitteeUpdates(t.Context(), s)
+	postState, err = altair.ProcessSyncCommitteeUpdates(context.Background(), s)
 	require.NoError(t, err)
 	c, err = postState.CurrentSyncCommittee()
 	require.NoError(t, err)
@@ -60,7 +61,7 @@ func TestProcessSyncCommitteeUpdates_CanRotate(t *testing.T) {
 	// Test boundary condition.
 	slot := params.BeaconConfig().SlotsPerEpoch * primitives.Slot(time.CurrentEpoch(s)+params.BeaconConfig().EpochsPerSyncCommitteePeriod)
 	require.NoError(t, s.SetSlot(slot))
-	boundaryCommittee, err := altair.NextSyncCommittee(t.Context(), s)
+	boundaryCommittee, err := altair.NextSyncCommittee(context.Background(), s)
 	require.NoError(t, err)
 	require.DeepNotEqual(t, boundaryCommittee, n)
 }

beacon-chain/core/altair/reward_test.go

@@ -31,7 +31,7 @@ func Test_BaseReward(t *testing.T) {
 			valIdx:    2,
 			st:        genState(1),
 			want:      0,
-			errString: "index 2 out of bounds",
+			errString: "validator index 2 does not exist",
 		},
 		{
 			name:      "active balance is 32eth",
@@ -89,7 +89,7 @@ func Test_BaseRewardWithTotalBalance(t *testing.T) {
 			valIdx:        2,
 			activeBalance: 1,
 			want:          0,
-			errString:     "index 2 out of bounds",
+			errString:     "validator index 2 does not exist",
 		},
 		{
 			name:          "active balance is 1",

beacon-chain/core/altair/sync_committee.go

@@ -217,15 +217,15 @@ func IsSyncCommitteeAggregator(sig []byte) (bool, error) {
 // ValidateSyncMessageTime validates sync message to ensure that the provided slot is valid.
 // Spec: [IGNORE] The message's slot is for the current slot (with a MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance), i.e. sync_committee_message.slot == current_slot
 func ValidateSyncMessageTime(slot primitives.Slot, genesisTime time.Time, clockDisparity time.Duration) error {
-	if err := slots.ValidateClock(slot, genesisTime); err != nil {
+	if err := slots.ValidateClock(slot, uint64(genesisTime.Unix())); err != nil {
 		return err
 	}
-	messageTime, err := slots.StartTime(genesisTime, slot)
+	messageTime, err := slots.ToTime(uint64(genesisTime.Unix()), slot)
 	if err != nil {
 		return err
 	}
-	currentSlot := slots.CurrentSlot(genesisTime)
-	slotStartTime, err := slots.StartTime(genesisTime, currentSlot)
+	currentSlot := slots.Since(genesisTime)
+	slotStartTime, err := slots.ToTime(uint64(genesisTime.Unix()), currentSlot)
 	if err != nil {
 		return err
 	}

beacon-chain/core/altair/sync_committee_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -96,7 +97,7 @@ func TestSyncCommitteeIndices_CanGet(t *testing.T) {
 				t.Run(version.String(v), func(t *testing.T) {
 					helpers.ClearCache()
 					st := getState(t, tt.args.validatorCount, v)
-					got, err := altair.NextSyncCommitteeIndices(t.Context(), st)
+					got, err := altair.NextSyncCommitteeIndices(context.Background(), st)
 					if tt.wantErr {
 						require.ErrorContains(t, tt.errString, err)
 					} else {
@@ -128,18 +129,18 @@ func TestSyncCommitteeIndices_DifferentPeriods(t *testing.T) {
 	}
 
 	st := getState(t, params.BeaconConfig().MaxValidatorsPerCommittee)
-	got1, err := altair.NextSyncCommitteeIndices(t.Context(), st)
+	got1, err := altair.NextSyncCommitteeIndices(context.Background(), st)
 	require.NoError(t, err)
 	require.NoError(t, st.SetSlot(params.BeaconConfig().SlotsPerEpoch))
-	got2, err := altair.NextSyncCommitteeIndices(t.Context(), st)
+	got2, err := altair.NextSyncCommitteeIndices(context.Background(), st)
 	require.NoError(t, err)
 	require.DeepNotEqual(t, got1, got2)
 	require.NoError(t, st.SetSlot(params.BeaconConfig().SlotsPerEpoch*primitives.Slot(params.BeaconConfig().EpochsPerSyncCommitteePeriod)))
-	got2, err = altair.NextSyncCommitteeIndices(t.Context(), st)
+	got2, err = altair.NextSyncCommitteeIndices(context.Background(), st)
 	require.NoError(t, err)
 	require.DeepNotEqual(t, got1, got2)
 	require.NoError(t, st.SetSlot(params.BeaconConfig().SlotsPerEpoch*primitives.Slot(2*params.BeaconConfig().EpochsPerSyncCommitteePeriod)))
-	got2, err = altair.NextSyncCommitteeIndices(t.Context(), st)
+	got2, err = altair.NextSyncCommitteeIndices(context.Background(), st)
 	require.NoError(t, err)
 	require.DeepNotEqual(t, got1, got2)
 }
@@ -205,7 +206,7 @@ func TestSyncCommittee_CanGet(t *testing.T) {
 			if !tt.wantErr {
 				require.NoError(t, tt.args.state.SetSlot(primitives.Slot(tt.args.epoch)*params.BeaconConfig().SlotsPerEpoch))
 			}
-			got, err := altair.NextSyncCommittee(t.Context(), tt.args.state)
+			got, err := altair.NextSyncCommittee(context.Background(), tt.args.state)
 			if tt.wantErr {
 				require.ErrorContains(t, tt.errString, err)
 			} else {
@@ -269,7 +270,7 @@ func TestValidateNilSyncContribution(t *testing.T) {
 func TestSyncSubCommitteePubkeys_CanGet(t *testing.T) {
 	helpers.ClearCache()
 	st := getState(t, params.BeaconConfig().MaxValidatorsPerCommittee)
-	com, err := altair.NextSyncCommittee(t.Context(), st)
+	com, err := altair.NextSyncCommittee(context.Background(), st)
 	require.NoError(t, err)
 	sub, err := altair.SyncSubCommitteePubkeys(com, 0)
 	require.NoError(t, err)

beacon-chain/core/altair/transition_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/altair"
@@ -12,7 +13,7 @@ import (
 func TestProcessEpoch_CanProcess(t *testing.T) {
 	st, _ := util.DeterministicGenesisStateAltair(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, st.SetSlot(10*params.BeaconConfig().SlotsPerEpoch))
-	err := altair.ProcessEpoch(t.Context(), st)
+	err := altair.ProcessEpoch(context.Background(), st)
 	require.NoError(t, err)
 	require.Equal(t, uint64(0), st.Slashings()[2], "Unexpected slashed balance")
 
@@ -44,7 +45,7 @@ func TestProcessEpoch_CanProcess(t *testing.T) {
 func TestProcessEpoch_CanProcessBellatrix(t *testing.T) {
 	st, _ := util.DeterministicGenesisStateBellatrix(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	require.NoError(t, st.SetSlot(10*params.BeaconConfig().SlotsPerEpoch))
-	err := altair.ProcessEpoch(t.Context(), st)
+	err := altair.ProcessEpoch(context.Background(), st)
 	require.NoError(t, err)
 	require.Equal(t, uint64(0), st.Slashings()[2], "Unexpected slashed balance")
 

beacon-chain/core/altair/upgrade.go

@@ -68,7 +68,7 @@ func UpgradeToAltair(ctx context.Context, state state.BeaconState) (state.Beacon
 
 	numValidators := state.NumValidators()
 	s := &ethpb.BeaconStateAltair{
-		GenesisTime:           uint64(state.GenesisTime().Unix()),
+		GenesisTime:           state.GenesisTime(),
 		GenesisValidatorsRoot: state.GenesisValidatorsRoot(),
 		Slot:                  state.Slot(),
 		Fork: &ethpb.Fork{

beacon-chain/core/altair/upgrade_test.go

@@ -1,6 +1,7 @@
 package altair_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/altair"
@@ -16,7 +17,7 @@ import (
 )
 
 func TestTranslateParticipation(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	s, _ := util.DeterministicGenesisStateAltair(t, 64)
 	require.NoError(t, s.SetSlot(s.Slot()+params.BeaconConfig().MinAttestationInclusionDelay))
 
@@ -72,7 +73,7 @@ func TestTranslateParticipation(t *testing.T) {
 func TestUpgradeToAltair(t *testing.T) {
 	st, _ := util.DeterministicGenesisState(t, params.BeaconConfig().MaxValidatorsPerCommittee)
 	preForkState := st.Copy()
-	aState, err := altair.UpgradeToAltair(t.Context(), st)
+	aState, err := altair.UpgradeToAltair(context.Background(), st)
 	require.NoError(t, err)
 
 	require.Equal(t, preForkState.GenesisTime(), aState.GenesisTime())

beacon-chain/core/blocks/BUILD.bazel

@@ -41,6 +41,7 @@ go_library(
         "//encoding/ssz:go_default_library",
         "//math:go_default_library",
         "//monitoring/tracing/trace:go_default_library",
+        "//network/forks:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//proto/prysm/v1alpha1/attestation:go_default_library",
@@ -104,7 +105,6 @@ go_test(
         "//proto/prysm/v1alpha1/attestation/aggregation/attestations:go_default_library",
         "//runtime/version:go_default_library",
         "//testing/assert:go_default_library",
-        "//testing/fuzz:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
         "//time/slots:go_default_library",

beacon-chain/core/blocks/attestation.go

@@ -178,7 +178,7 @@ func VerifyAttestationNoVerifySignature(
 		}
 	}
 
-	return attestation.IsValidAttestationIndices(ctx, indexedAtt, params.BeaconConfig().MaxValidatorsPerCommittee, params.BeaconConfig().MaxCommitteesPerSlot)
+	return attestation.IsValidAttestationIndices(ctx, indexedAtt)
 }
 
 // ProcessAttestationNoVerifySignature processes the attestation without verifying the attestation signature. This
@@ -243,7 +243,7 @@ func VerifyIndexedAttestation(ctx context.Context, beaconState state.ReadOnlyBea
 	ctx, span := trace.StartSpan(ctx, "core.VerifyIndexedAttestation")
 	defer span.End()
 
-	if err := attestation.IsValidAttestationIndices(ctx, indexedAtt, params.BeaconConfig().MaxValidatorsPerCommittee, params.BeaconConfig().MaxCommitteesPerSlot); err != nil {
+	if err := attestation.IsValidAttestationIndices(ctx, indexedAtt); err != nil {
 		return err
 	}
 	domain, err := signing.Domain(

beacon-chain/core/blocks/attestation_regression_test.go

@@ -41,7 +41,7 @@ func TestProcessAttestationNoVerifySignature_BeaconFuzzIssue78(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	ctx := t.Context()
+	ctx := context.Background()
 	_, err = blocks.ProcessAttestationNoVerifySignature(ctx, st, att)
 	require.ErrorContains(t, "committee index 1 >= committee count 1", err)
 }

beacon-chain/core/blocks/attestation_test.go

@@ -42,7 +42,7 @@ func TestProcessAggregatedAttestation_OverlappingBits(t *testing.T) {
 	require.NoError(t, beaconState.SetCurrentJustifiedCheckpoint(cfc))
 	require.NoError(t, beaconState.AppendCurrentEpochAttestations(&ethpb.PendingAttestation{}))
 
-	committee, err := helpers.BeaconCommitteeFromState(t.Context(), beaconState, att1.Data.Slot, att1.Data.CommitteeIndex)
+	committee, err := helpers.BeaconCommitteeFromState(context.Background(), beaconState, att1.Data.Slot, att1.Data.CommitteeIndex)
 	require.NoError(t, err)
 	attestingIndices1, err := attestation.AttestingIndices(att1, committee)
 	require.NoError(t, err)
@@ -64,7 +64,7 @@ func TestProcessAggregatedAttestation_OverlappingBits(t *testing.T) {
 		AggregationBits: aggBits2,
 	}
 
-	committee, err = helpers.BeaconCommitteeFromState(t.Context(), beaconState, att2.Data.Slot, att2.Data.CommitteeIndex)
+	committee, err = helpers.BeaconCommitteeFromState(context.Background(), beaconState, att2.Data.Slot, att2.Data.CommitteeIndex)
 	require.NoError(t, err)
 	attestingIndices2, err := attestation.AttestingIndices(att2, committee)
 	require.NoError(t, err)
@@ -137,7 +137,7 @@ func TestProcessAttestationsNoVerify_OlderThanSlotsPerEpoch(t *testing.T) {
 		},
 		AggregationBits: aggBits,
 	}
-	ctx := t.Context()
+	ctx := context.Background()
 
 	t.Run("attestation older than slots per epoch", func(t *testing.T) {
 		beaconState, _ := util.DeterministicGenesisState(t, 100)
@@ -360,9 +360,9 @@ func TestConvertToIndexed_OK(t *testing.T) {
 			Signature:        att.Signature,
 		}
 
-		committee, err := helpers.BeaconCommitteeFromState(t.Context(), state, att.Data.Slot, att.Data.CommitteeIndex)
+		committee, err := helpers.BeaconCommitteeFromState(context.Background(), state, att.Data.Slot, att.Data.CommitteeIndex)
 		require.NoError(t, err)
-		ia, err := attestation.ConvertToIndexed(t.Context(), att, committee)
+		ia, err := attestation.ConvertToIndexed(context.Background(), att, committee)
 		require.NoError(t, err)
 		assert.DeepEqual(t, wanted, ia, "Convert attestation to indexed attestation didn't result as wanted")
 	}
@@ -448,7 +448,7 @@ func TestVerifyIndexedAttestation_OK(t *testing.T) {
 
 		tt.attestation.Signature = marshalledSig
 
-		err = blocks.VerifyIndexedAttestation(t.Context(), state, tt.attestation)
+		err = blocks.VerifyIndexedAttestation(context.Background(), state, tt.attestation)
 		assert.NoError(t, err, "Failed to verify indexed attestation")
 	}
 }
@@ -471,7 +471,7 @@ func TestValidateIndexedAttestation_AboveMaxLength(t *testing.T) {
 	want := "validator indices count exceeds MAX_VALIDATORS_PER_COMMITTEE"
 	st, err := state_native.InitializeFromProtoUnsafePhase0(&ethpb.BeaconState{})
 	require.NoError(t, err)
-	err = blocks.VerifyIndexedAttestation(t.Context(), st, indexedAtt1)
+	err = blocks.VerifyIndexedAttestation(context.Background(), st, indexedAtt1)
 	assert.ErrorContains(t, want, err)
 }
 
@@ -493,7 +493,7 @@ func TestValidateIndexedAttestation_BadAttestationsSignatureSet(t *testing.T) {
 	}
 
 	want := "nil or missing indexed attestation data"
-	_, err := blocks.AttestationSignatureBatch(t.Context(), beaconState, atts)
+	_, err := blocks.AttestationSignatureBatch(context.Background(), beaconState, atts)
 	assert.ErrorContains(t, want, err)
 
 	atts = []ethpb.Att{}
@@ -514,7 +514,7 @@ func TestValidateIndexedAttestation_BadAttestationsSignatureSet(t *testing.T) {
 	}
 
 	want = "expected non-empty attesting indices"
-	_, err = blocks.AttestationSignatureBatch(t.Context(), beaconState, atts)
+	_, err = blocks.AttestationSignatureBatch(context.Background(), beaconState, atts)
 	assert.ErrorContains(t, want, err)
 }
 
@@ -542,7 +542,7 @@ func TestVerifyAttestations_HandlesPlannedFork(t *testing.T) {
 		PreviousVersion: params.BeaconConfig().GenesisForkVersion,
 	}))
 
-	comm1, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1 /*slot*/, 0 /*committeeIndex*/)
+	comm1, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1 /*slot*/, 0 /*committeeIndex*/)
 	require.NoError(t, err)
 	att1 := util.HydrateAttestation(&ethpb.Attestation{
 		AggregationBits: bitfield.NewBitlist(uint64(len(comm1))),
@@ -561,7 +561,7 @@ func TestVerifyAttestations_HandlesPlannedFork(t *testing.T) {
 	}
 	att1.Signature = bls.AggregateSignatures(sigs).Marshal()
 
-	comm2, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1*params.BeaconConfig().SlotsPerEpoch+1 /*slot*/, 1 /*committeeIndex*/)
+	comm2, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1*params.BeaconConfig().SlotsPerEpoch+1 /*slot*/, 1 /*committeeIndex*/)
 	require.NoError(t, err)
 	att2 := util.HydrateAttestation(&ethpb.Attestation{
 		AggregationBits: bitfield.NewBitlist(uint64(len(comm2))),
@@ -583,7 +583,7 @@ func TestVerifyAttestations_HandlesPlannedFork(t *testing.T) {
 }
 
 func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	numOfValidators := uint64(params.BeaconConfig().SlotsPerEpoch.Mul(4))
 	validators := make([]*ethpb.Validator, numOfValidators)
 	_, keys, err := util.DeterministicDepositsAndKeys(numOfValidators)
@@ -602,7 +602,7 @@ func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing
 		require.NoError(t, st.SetSlot(5))
 		require.NoError(t, st.SetValidators(validators))
 
-		comm1, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1 /*slot*/, 0 /*committeeIndex*/)
+		comm1, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1 /*slot*/, 0 /*committeeIndex*/)
 		require.NoError(t, err)
 		att1 := util.HydrateAttestation(&ethpb.Attestation{
 			AggregationBits: bitfield.NewBitlist(uint64(len(comm1))),
@@ -621,7 +621,7 @@ func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing
 		}
 		att1.Signature = bls.AggregateSignatures(sigs).Marshal()
 
-		comm2, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1 /*slot*/, 1 /*committeeIndex*/)
+		comm2, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1 /*slot*/, 1 /*committeeIndex*/)
 		require.NoError(t, err)
 		att2 := util.HydrateAttestation(&ethpb.Attestation{
 			AggregationBits: bitfield.NewBitlist(uint64(len(comm2))),
@@ -651,7 +651,7 @@ func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing
 		require.NoError(t, st.SetSlot(5))
 		require.NoError(t, st.SetValidators(validators))
 
-		comm1, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1 /*slot*/, 0 /*committeeIndex*/)
+		comm1, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1 /*slot*/, 0 /*committeeIndex*/)
 		require.NoError(t, err)
 		commBits1 := primitives.NewAttestationCommitteeBits()
 		commBits1.SetBitAt(0, true)
@@ -673,7 +673,7 @@ func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing
 		}
 		att1.Signature = bls.AggregateSignatures(sigs).Marshal()
 
-		comm2, err := helpers.BeaconCommitteeFromState(t.Context(), st, 1 /*slot*/, 1 /*committeeIndex*/)
+		comm2, err := helpers.BeaconCommitteeFromState(context.Background(), st, 1 /*slot*/, 1 /*committeeIndex*/)
 		require.NoError(t, err)
 		commBits2 := primitives.NewAttestationCommitteeBits()
 		commBits2.SetBitAt(1, true)
@@ -702,7 +702,7 @@ func TestRetrieveAttestationSignatureSet_VerifiesMultipleAttestations(t *testing
 }
 
 func TestRetrieveAttestationSignatureSet_AcrossFork(t *testing.T) {
-	ctx := t.Context()
+	ctx := context.Background()
 	numOfValidators := uint64(params.BeaconConfig().SlotsPerEpoch.Mul(4))
 	validators := make([]*ethpb.Validator, numOfValidators)
 	_, keys, err := util.DeterministicDepositsAndKeys(numOfValidators)

beacon-chain/core/blocks/attester_slashing_test.go

@@ -1,6 +1,7 @@
 package blocks_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v6/beacon-chain/core/blocks"
@@ -62,7 +63,7 @@ func TestProcessAttesterSlashings_DataNotSlashable(t *testing.T) {
 	for i, s := range b.Block.Body.AttesterSlashings {
 		ss[i] = s
 	}
-	_, err = blocks.ProcessAttesterSlashings(t.Context(), beaconState, ss, v.SlashValidator)
+	_, err = blocks.ProcessAttesterSlashings(context.Background(), beaconState, ss, v.SlashValidator)
 	assert.ErrorContains(t, "attestations are not slashable", err)
 }
 
@@ -101,7 +102,7 @@ func TestProcessAttesterSlashings_IndexedAttestationFailedToVerify(t *testing.T)
 	for i, s := range b.Block.Body.AttesterSlashings {
 		ss[i] = s
 	}
-	_, err = blocks.ProcessAttesterSlashings(t.Context(), beaconState, ss, v.SlashValidator)
+	_, err = blocks.ProcessAttesterSlashings(context.Background(), beaconState, ss, v.SlashValidator)
 	assert.ErrorContains(t, "validator indices count exceeds MAX_VALIDATORS_PER_COMMITTEE", err)
 }
 
@@ -243,7 +244,7 @@ func TestProcessAttesterSlashings_AppliesCorrectStatus(t *testing.T) {
 			currentSlot := 2 * params.BeaconConfig().SlotsPerEpoch
 			require.NoError(t, tc.st.SetSlot(currentSlot))
 
-			newState, err := blocks.ProcessAttesterSlashings(t.Context(), tc.st, []ethpb.AttSlashing{tc.slashing}, v.SlashValidator)
+			newState, err := blocks.ProcessAttesterSlashings(context.Background(), tc.st, []ethpb.AttSlashing{tc.slashing}, v.SlashValidator)
 			require.NoError(t, err)
 			newRegistry := newState.Validators()
 

beacon-chain/core/blocks/block_operations_fuzz_test.go

@@ -1,6 +1,7 @@
 package blocks
 
 import (
+	"context"
 	"testing"
 
 	v "github.com/OffchainLabs/prysm/v6/beacon-chain/core/validators"
@@ -10,14 +11,13 @@ import (
 	"github.com/OffchainLabs/prysm/v6/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v6/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v6/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v6/testing/fuzz"
 	"github.com/OffchainLabs/prysm/v6/testing/require"
-	gofuzz "github.com/google/gofuzz"
+	fuzz "github.com/google/gofuzz"
 )
 
 func TestFuzzProcessAttestationNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
-	ctx := t.Context()
+	fuzzer := fuzz.NewWithSeed(0)
+	ctx := context.Background()
 	state := &ethpb.BeaconState{}
 	att := &ethpb.Attestation{}
 
@@ -28,12 +28,11 @@ func TestFuzzProcessAttestationNoVerify_10000(t *testing.T) {
 		require.NoError(t, err)
 		_, err = ProcessAttestationNoVerifySignature(ctx, s, att)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessBlockHeader_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	block := &ethpb.SignedBeaconBlock{}
 
@@ -48,14 +47,13 @@ func TestFuzzProcessBlockHeader_10000(t *testing.T) {
 		}
 		wsb, err := blocks.NewSignedBeaconBlock(block)
 		require.NoError(t, err)
-		_, err = ProcessBlockHeader(t.Context(), s, wsb)
+		_, err = ProcessBlockHeader(context.Background(), s, wsb)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzverifyDepositDataSigningRoot_10000(_ *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	var ba []byte
 	var pubkey [fieldparams.BLSPubkeyLength]byte
 	var sig [96]byte
@@ -79,14 +77,14 @@ func TestFuzzverifyDepositDataSigningRoot_10000(_ *testing.T) {
 }
 
 func TestFuzzProcessEth1DataInBlock_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	e := &ethpb.Eth1Data{}
 	state, err := state_native.InitializeFromProtoUnsafePhase0(&ethpb.BeaconState{})
 	require.NoError(t, err)
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(e)
-		s, err := ProcessEth1DataInBlock(t.Context(), state, e)
+		s, err := ProcessEth1DataInBlock(context.Background(), state, e)
 		if err != nil && s != nil {
 			t.Fatalf("state should be nil on err. found: %v on error: %v for state: %v and eth1data: %v", s, err, state, e)
 		}
@@ -94,7 +92,7 @@ func TestFuzzProcessEth1DataInBlock_10000(t *testing.T) {
 }
 
 func TestFuzzareEth1DataEqual_10000(_ *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	eth1data := &ethpb.Eth1Data{}
 	eth1data2 := &ethpb.Eth1Data{}
 
@@ -107,7 +105,7 @@ func TestFuzzareEth1DataEqual_10000(_ *testing.T) {
 }
 
 func TestFuzzEth1DataHasEnoughSupport_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	eth1data := &ethpb.Eth1Data{}
 	var stateVotes []*ethpb.Eth1Data
 	for i := 0; i < 100000; i++ {
@@ -119,13 +117,12 @@ func TestFuzzEth1DataHasEnoughSupport_10000(t *testing.T) {
 		require.NoError(t, err)
 		_, err = Eth1DataHasEnoughSupport(s, eth1data)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 
 }
 
 func TestFuzzProcessBlockHeaderNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	block := &ethpb.BeaconBlock{}
 
@@ -134,14 +131,13 @@ func TestFuzzProcessBlockHeaderNoVerify_10000(t *testing.T) {
 		fuzzer.Fuzz(block)
 		s, err := state_native.InitializeFromProtoUnsafePhase0(state)
 		require.NoError(t, err)
-		_, err = ProcessBlockHeaderNoVerify(t.Context(), s, block.Slot, block.ProposerIndex, block.ParentRoot, []byte{})
+		_, err = ProcessBlockHeaderNoVerify(context.Background(), s, block.Slot, block.ProposerIndex, block.ParentRoot, []byte{})
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessRandao_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	b := &ethpb.SignedBeaconBlock{}
 
@@ -155,16 +151,15 @@ func TestFuzzProcessRandao_10000(t *testing.T) {
 		}
 		wsb, err := blocks.NewSignedBeaconBlock(b)
 		require.NoError(t, err)
-		r, err := ProcessRandao(t.Context(), s, wsb)
+		r, err := ProcessRandao(context.Background(), s, wsb)
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, b)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessRandaoNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	blockBody := &ethpb.BeaconBlockBody{}
 
@@ -177,15 +172,14 @@ func TestFuzzProcessRandaoNoVerify_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, blockBody)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessProposerSlashings_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	p := &ethpb.ProposerSlashing{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(p)
@@ -195,12 +189,11 @@ func TestFuzzProcessProposerSlashings_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and slashing: %v", r, err, state, p)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzVerifyProposerSlashing_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	proposerSlashing := &ethpb.ProposerSlashing{}
 	for i := 0; i < 10000; i++ {
@@ -210,15 +203,14 @@ func TestFuzzVerifyProposerSlashing_10000(t *testing.T) {
 		require.NoError(t, err)
 		err = VerifyProposerSlashing(s, proposerSlashing)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessAttesterSlashings_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	a := &ethpb.AttesterSlashing{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(a)
@@ -228,15 +220,14 @@ func TestFuzzProcessAttesterSlashings_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and slashing: %v", r, err, state, a)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzVerifyAttesterSlashing_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	attesterSlashing := &ethpb.AttesterSlashing{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(attesterSlashing)
@@ -244,12 +235,11 @@ func TestFuzzVerifyAttesterSlashing_10000(t *testing.T) {
 		require.NoError(t, err)
 		err = VerifyAttesterSlashing(ctx, s, attesterSlashing)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzIsSlashableAttestationData_10000(_ *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	attestationData := &ethpb.AttestationData{}
 	attestationData2 := &ethpb.AttestationData{}
 
@@ -261,7 +251,7 @@ func TestFuzzIsSlashableAttestationData_10000(_ *testing.T) {
 }
 
 func TestFuzzslashableAttesterIndices_10000(_ *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	attesterSlashing := &ethpb.AttesterSlashing{}
 
 	for i := 0; i < 10000; i++ {
@@ -271,10 +261,10 @@ func TestFuzzslashableAttesterIndices_10000(_ *testing.T) {
 }
 
 func TestFuzzProcessAttestationsNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	b := &ethpb.SignedBeaconBlock{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(b)
@@ -289,15 +279,14 @@ func TestFuzzProcessAttestationsNoVerify_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, b)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzVerifyIndexedAttestationn_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	idxAttestation := &ethpb.IndexedAttestation{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(idxAttestation)
@@ -305,12 +294,11 @@ func TestFuzzVerifyIndexedAttestationn_10000(t *testing.T) {
 		require.NoError(t, err)
 		err = VerifyIndexedAttestation(ctx, s, idxAttestation)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzverifyDeposit_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	deposit := &ethpb.Deposit{}
 	for i := 0; i < 10000; i++ {
@@ -320,15 +308,14 @@ func TestFuzzverifyDeposit_10000(t *testing.T) {
 		require.NoError(t, err)
 		err = VerifyDeposit(s, deposit)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessVoluntaryExits_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	e := &ethpb.SignedVoluntaryExit{}
-	ctx := t.Context()
+	ctx := context.Background()
 	for i := 0; i < 10000; i++ {
 		fuzzer.Fuzz(state)
 		fuzzer.Fuzz(e)
@@ -338,12 +325,11 @@ func TestFuzzProcessVoluntaryExits_10000(t *testing.T) {
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and exit: %v", r, err, state, e)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzProcessVoluntaryExitsNoVerify_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	state := &ethpb.BeaconState{}
 	e := &ethpb.SignedVoluntaryExit{}
 	for i := 0; i < 10000; i++ {
@@ -351,16 +337,15 @@ func TestFuzzProcessVoluntaryExitsNoVerify_10000(t *testing.T) {
 		fuzzer.Fuzz(e)
 		s, err := state_native.InitializeFromProtoUnsafePhase0(state)
 		require.NoError(t, err)
-		r, err := ProcessVoluntaryExits(t.Context(), s, []*ethpb.SignedVoluntaryExit{e})
+		r, err := ProcessVoluntaryExits(context.Background(), s, []*ethpb.SignedVoluntaryExit{e})
 		if err != nil && r != nil {
 			t.Fatalf("return value should be nil on err. found: %v on error: %v for state: %v and block: %v", r, err, state, e)
 		}
-		fuzz.FreeMemory(i)
 	}
 }
 
 func TestFuzzVerifyExit_10000(t *testing.T) {
-	fuzzer := gofuzz.NewWithSeed(0)
+	fuzzer := fuzz.NewWithSeed(0)
 	ve := &ethpb.SignedVoluntaryExit{}
 	rawVal := &ethpb.Validator{}
 	fork := &ethpb.Fork{}
@@ -384,6 +369,5 @@ func TestFuzzVerifyExit_10000(t *testing.T) {
 		_ = err
 		err = VerifyExitAndSignature(val, s, ve)
 		_ = err
-		fuzz.FreeMemory(i)
 	}
 }