Merge branch 'develop' into gloas-proposer

**What does this PR do? Why is it needed?**
`gen-logs.sh` was skipping `cmd/beacon-chain/execution/` due to a rule
in `.gitignore`.
Added a fix in `gen-logs.sh` to ignore `.gitignore` entries by
specification.

.ethspecify.yml

@@ -2,24 +2,38 @@ version: v1.7.0-alpha.1
 style: full
 
 specrefs:
-  search_root: ..
+  search_root: .
+  auto_standardize_names: true
+  auto_add_missing_entries: true
+  require_exceptions_have_fork: true
+
   files:
-    - configs.yml
-    - constants.yml
-    - containers.yml
-    - dataclasses.yml
-    - functions.yml
-    - presets.yml
+    - specrefs/configs.yml
+    - specrefs/constants.yml
+    - specrefs/containers.yml
+    - specrefs/dataclasses.yml
+    - specrefs/functions.yml
+    - specrefs/presets.yml
 
 exceptions:
   presets:
-    # Not implemented: gloas (future fork)
+    # gloas
     - BUILDER_PENDING_WITHDRAWALS_LIMIT#gloas
     - MAX_PAYLOAD_ATTESTATIONS#gloas
     - PTC_SIZE#gloas
 
   constants:
-    # Constants in the KZG library
+    # phase0
+    - BASIS_POINTS#phase0
+    - ENDIANNESS#phase0
+    - MAX_CONCURRENT_REQUESTS#phase0
+    - UINT64_MAX#phase0
+    - UINT64_MAX_SQRT#phase0
+    # altair
+    - PARTICIPATION_FLAG_WEIGHTS#altair
+    # bellatrix
+    - SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY#bellatrix
+    # deneb
     - BLS_MODULUS#deneb
     - BYTES_PER_COMMITMENT#deneb
     - BYTES_PER_FIELD_ELEMENT#deneb
@@ -33,18 +47,9 @@ exceptions:
     - PRIMITIVE_ROOT_OF_UNITY#deneb
     - RANDOM_CHALLENGE_KZG_BATCH_DOMAIN#deneb
     - RANDOM_CHALLENGE_KZG_CELL_BATCH_DOMAIN#fulu
-
-    # Not implemented
-    - BASIS_POINTS#phase0
-    - ENDIANNESS#phase0
-    - MAX_CONCURRENT_REQUESTS#phase0
-    - PARTICIPATION_FLAG_WEIGHTS#altair
-    - SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY#bellatrix
+    # fulu
     - UINT256_MAX#fulu
-    - UINT64_MAX#phase0
-    - UINT64_MAX_SQRT#phase0
-
-    # Not implemented: gloas (future fork)
+    # gloas
     - BUILDER_PAYMENT_THRESHOLD_DENOMINATOR#gloas
     - BUILDER_PAYMENT_THRESHOLD_NUMERATOR#gloas
     - BUILDER_WITHDRAWAL_PREFIX#gloas
@@ -61,61 +66,62 @@ exceptions:
     - PTC_TIMELINESS_INDEX#gloas
 
   configs:
-    # Not implemented: gloas (future fork)
+    # gloas
     - AGGREGATE_DUE_BPS_GLOAS#gloas
     - ATTESTATION_DUE_BPS_GLOAS#gloas
     - CONTRIBUTION_DUE_BPS_GLOAS#gloas
     - GLOAS_FORK_EPOCH#gloas
     - GLOAS_FORK_VERSION#gloas
     - MAX_REQUEST_PAYLOADS#gloas
+    - MIN_BUILDER_WITHDRAWABILITY_DELAY#gloas
     - PAYLOAD_ATTESTATION_DUE_BPS#gloas
     - SYNC_MESSAGE_DUE_BPS_GLOAS#gloas
-    - MIN_BUILDER_WITHDRAWABILITY_DELAY#gloas
 
   ssz_objects:
-    # Not implemented
+    # phase0
     - Eth1Block#phase0
-    - MatrixEntry#fulu
-
-    # Not implemented: capella
+    # capella
     - LightClientBootstrap#capella
     - LightClientFinalityUpdate#capella
     - LightClientOptimisticUpdate#capella
     - LightClientUpdate#capella
-
-    # Not implemented: gloas (future fork)
+    # fulu
+    - MatrixEntry#fulu
+    # gloas
     - BeaconBlockBody#gloas
     - BeaconState#gloas
+    - Builder#gloas
     - BuilderPendingPayment#gloas
     - BuilderPendingWithdrawal#gloas
     - DataColumnSidecar#gloas
-    - ExecutionPayloadEnvelope#gloas
     - ExecutionPayloadBid#gloas
+    - ExecutionPayloadEnvelope#gloas
     - ForkChoiceNode#gloas
     - IndexedPayloadAttestation#gloas
     - PayloadAttestation#gloas
     - PayloadAttestationData#gloas
     - PayloadAttestationMessage#gloas
-    - SignedExecutionPayloadEnvelope#gloas
-    - SignedExecutionPayloadBid#gloas
-    - Builder#gloas
     - ProposerPreferences#gloas
+    - SignedExecutionPayloadBid#gloas
+    - SignedExecutionPayloadEnvelope#gloas
     - SignedProposerPreferences#gloas
 
   dataclasses:
-    # Not implemented
-    - BlobParameters#fulu
-    - ExpectedWithdrawals#capella
-    - ExpectedWithdrawals#electra
+    # phase0
     - LatestMessage#phase0
-    - LightClientStore#altair
-    - OptimisticStore#bellatrix
     - Store#phase0
-
-    # Not implemented: capella
+    # altair
+    - LightClientStore#altair
+    # bellatrix
+    - OptimisticStore#bellatrix
+    # capella
+    - ExpectedWithdrawals#capella
     - LightClientStore#capella
-
-    # Not implemented: gloas (future fork)
+    # electra
+    - ExpectedWithdrawals#electra
+    # fulu
+    - BlobParameters#fulu
+    # gloas
     - ExpectedWithdrawals#gloas
     - LatestMessage#gloas
     - Store#gloas
@@ -175,7 +181,12 @@ exceptions:
     - verify_cell_kzg_proof_batch#fulu
     - verify_cell_kzg_proof_batch_impl#fulu
 
-    # Not implemented: phase0
+    # phase0
+    - update_proposer_boost_root#phase0
+    - is_proposer_equivocation#phase0
+    - record_block_timeliness#phase0
+    - compute_proposer_score#phase0
+    - get_attestation_score#phase0
     - calculate_committee_fraction#phase0
     - compute_fork_version#phase0
     - compute_pulled_up_tip#phase0
@@ -221,8 +232,7 @@ exceptions:
     - validate_on_attestation#phase0
     - validate_target_epoch_against_current_time#phase0
     - xor#phase0
-
-    # Not implemented: altair
+    # altair
     - compute_merkle_proof#altair
     - compute_sync_committee_period_at_slot#altair
     - get_contribution_and_proof#altair
@@ -244,27 +254,29 @@ exceptions:
     - process_sync_committee_contributions#altair
     - set_or_append_list#altair
     - validate_light_client_update#altair
-
-    # Not implemented: bellatrix
+    # bellatrix
     - get_execution_payload#bellatrix
     - is_merge_transition_block#bellatrix
     - is_optimistic_candidate_block#bellatrix
     - latest_verified_ancestor#bellatrix
     - prepare_execution_payload#bellatrix
-
-    # Not implemented: capella
+    # capella
+    - apply_withdrawals#capella
+    - get_balance_after_withdrawals#capella
     - get_lc_execution_root#capella
+    - get_validators_sweep_withdrawals#capella
     - is_valid_light_client_header#capella
     - prepare_execution_payload#capella
     - process_epoch#capella
+    - update_next_withdrawal_index#capella
+    - update_next_withdrawal_validator_index#capella
     - upgrade_lc_bootstrap_to_capella#capella
     - upgrade_lc_finality_update_to_capella#capella
     - upgrade_lc_header_to_capella#capella
     - upgrade_lc_optimistic_update_to_capella#capella
     - upgrade_lc_store_to_capella#capella
     - upgrade_lc_update_to_capella#capella
-
-    # Not implemented: deneb
+    # deneb
     - get_lc_execution_root#deneb
     - is_valid_light_client_header#deneb
     - prepare_execution_payload#deneb
@@ -274,33 +286,34 @@ exceptions:
     - upgrade_lc_optimistic_update_to_deneb#deneb
     - upgrade_lc_store_to_deneb#deneb
     - upgrade_lc_update_to_deneb#deneb
-
-    # Not implemented: electra
+    # electra
     - compute_weak_subjectivity_period#electra
     - current_sync_committee_gindex_at_slot#electra
     - finalized_root_gindex_at_slot#electra
     - get_eth1_vote#electra
     - get_lc_execution_root#electra
+    - get_pending_partial_withdrawals#electra
+    - get_validators_sweep_withdrawals#electra
     - is_compounding_withdrawal_credential#electra
+    - is_eligible_for_partial_withdrawals#electra
     - is_within_weak_subjectivity_period#electra
     - next_sync_committee_gindex_at_slot#electra
     - normalize_merkle_branch#electra
     - prepare_execution_payload#electra
+    - update_pending_partial_withdrawals#electra
     - upgrade_lc_bootstrap_to_electra#electra
     - upgrade_lc_finality_update_to_electra#electra
     - upgrade_lc_header_to_electra#electra
     - upgrade_lc_optimistic_update_to_electra#electra
     - upgrade_lc_store_to_electra#electra
     - upgrade_lc_update_to_electra#electra
-
-    # Not implemented: fulu
+    # fulu
     - compute_matrix#fulu
     - get_blob_parameters#fulu
     - get_data_column_sidecars_from_block#fulu
     - get_data_column_sidecars_from_column_sidecar#fulu
     - recover_matrix#fulu
-
-    # Not implemented: gloas (future fork)
+    # gloas
     - compute_balance_weighted_acceptance#gloas
     - compute_balance_weighted_selection#gloas
     - compute_fork_version#gloas
@@ -368,49 +381,36 @@ exceptions:
     - verify_execution_payload_bid_signature#gloas
     - add_builder_to_registry#gloas
     - apply_deposit_for_builder#gloas
-    - apply_withdrawals#capella
     - apply_withdrawals#gloas
     - can_builder_cover_bid#gloas
-    - compute_proposer_score#phase0
     - convert_builder_index_to_validator_index#gloas
     - convert_validator_index_to_builder_index#gloas
     - get_attestation_score#gloas
-    - get_attestation_score#phase0
-    - get_balance_after_withdrawals#capella
     - get_builder_from_deposit#gloas
     - get_builder_withdrawals#gloas
     - get_builders_sweep_withdrawals#gloas
     - get_index_for_new_builder#gloas
     - get_pending_balance_to_withdraw_for_builder#gloas
-    - get_pending_partial_withdrawals#electra
     - get_proposer_preferences_signature#gloas
     - get_upcoming_proposal_slots#gloas
-    - get_validators_sweep_withdrawals#capella
-    - get_validators_sweep_withdrawals#electra
     - initiate_builder_exit#gloas
     - is_active_builder#gloas
     - is_builder_index#gloas
-    - is_eligible_for_partial_withdrawals#electra
     - is_head_late#gloas
     - is_head_weak#gloas
     - is_parent_strong#gloas
-    - is_proposer_equivocation#phase0
     - is_valid_proposal_slot#gloas
     - process_deposit_request#gloas
     - process_voluntary_exit#gloas
     - record_block_timeliness#gloas
-    - record_block_timeliness#phase0
     - should_apply_proposer_boost#gloas
     - update_builder_pending_withdrawals#gloas
     - update_next_withdrawal_builder_index#gloas
-    - update_next_withdrawal_index#capella
-    - update_next_withdrawal_validator_index#capella
     - update_payload_expected_withdrawals#gloas
-    - update_pending_partial_withdrawals#electra
     - update_proposer_boost_root#gloas
-    - update_proposer_boost_root#phase0
 
   presets:
+    # gloas
     - BUILDER_PENDING_WITHDRAWALS_LIMIT#gloas
     - BUILDER_REGISTRY_LIMIT#gloas
     - MAX_BUILDERS_PER_WITHDRAWALS_SWEEP#gloas

.github/workflows/check-specrefs.yml

@@ -12,11 +12,11 @@ jobs:
     - name: Check version consistency
       run: |
         WORKSPACE_VERSION=$(grep 'consensus_spec_version = ' WORKSPACE | sed 's/.*"\(.*\)"/\1/')
-        ETHSPECIFY_VERSION=$(grep '^version:' specrefs/.ethspecify.yml | sed 's/version: //')
+        ETHSPECIFY_VERSION=$(grep '^version:' .ethspecify.yml | sed 's/version: //')
         if [ "$WORKSPACE_VERSION" != "$ETHSPECIFY_VERSION" ]; then
           echo "Version mismatch between WORKSPACE and ethspecify"
           echo "  WORKSPACE: $WORKSPACE_VERSION"
-          echo "  specrefs/.ethspecify.yml: $ETHSPECIFY_VERSION"
+          echo "  .ethspecify.yml: $ETHSPECIFY_VERSION"
           exit 1
         else
           echo "Versions match: $WORKSPACE_VERSION"
@@ -26,7 +26,7 @@ jobs:
       run: python3 -mpip install ethspecify
 
     - name: Update spec references
-      run: ethspecify process --path=specrefs
+      run: ethspecify
 
     - name: Check for differences
       run: |
@@ -40,4 +40,4 @@ jobs:
         fi
 
     - name: Check spec references
-      run: ethspecify check --path=specrefs
+      run: ethspecify check

api/fallback/BUILD.bazel

@@ -0,0 +1,19 @@
+load("@prysm//tools/go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "fallback.go",
+        "log.go",
+    ],
+    importpath = "github.com/OffchainLabs/prysm/v7/api/fallback",
+    visibility = ["//visibility:public"],
+    deps = ["@com_github_sirupsen_logrus//:go_default_library"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["fallback_test.go"],
+    embed = [":go_default_library"],
+    deps = ["//testing/assert:go_default_library"],
+)

api/fallback/fallback.go

@@ -0,0 +1,66 @@
+package fallback
+
+import (
+	"context"
+
+	"github.com/sirupsen/logrus"
+)
+
+// HostProvider is the subset of connection-provider methods that EnsureReady
+// needs. Both grpc.GrpcConnectionProvider and rest.RestConnectionProvider
+// satisfy this interface.
+type HostProvider interface {
+	Hosts() []string
+	CurrentHost() string
+	SwitchHost(index int) error
+}
+
+// ReadyChecker can report whether the current endpoint is ready.
+// iface.NodeClient satisfies this implicitly.
+type ReadyChecker interface {
+	IsReady(ctx context.Context) bool
+}
+
+// EnsureReady iterates through the configured hosts and returns true as soon as
+// one responds as ready. It starts from the provider's current host and wraps
+// around using modular arithmetic, performing failover when a host is not ready.
+func EnsureReady(ctx context.Context, provider HostProvider, checker ReadyChecker) bool {
+	hosts := provider.Hosts()
+	numHosts := len(hosts)
+	startingHost := provider.CurrentHost()
+	var attemptedHosts []string
+
+	// Find current index
+	currentIdx := 0
+	for i, h := range hosts {
+		if h == startingHost {
+			currentIdx = i
+			break
+		}
+	}
+
+	for i := range numHosts {
+		if checker.IsReady(ctx) {
+			if len(attemptedHosts) > 0 {
+				log.WithFields(logrus.Fields{
+					"previous": startingHost,
+					"current":  provider.CurrentHost(),
+					"tried":    attemptedHosts,
+				}).Info("Switched to responsive beacon node")
+			}
+			return true
+		}
+		attemptedHosts = append(attemptedHosts, provider.CurrentHost())
+
+		// Try next host if not the last iteration
+		if i < numHosts-1 {
+			nextIdx := (currentIdx + i + 1) % numHosts
+			if err := provider.SwitchHost(nextIdx); err != nil {
+				log.WithError(err).Error("Failed to switch host")
+			}
+		}
+	}
+
+	log.WithField("tried", attemptedHosts).Warn("No responsive beacon node found")
+	return false
+}

api/fallback/fallback_test.go

@@ -0,0 +1,94 @@
+package fallback
+
+import (
+	"context"
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/testing/assert"
+)
+
+// mockHostProvider is a minimal HostProvider for unit tests.
+type mockHostProvider struct {
+	hosts     []string
+	hostIndex int
+}
+
+func (m *mockHostProvider) Hosts() []string { return m.hosts }
+func (m *mockHostProvider) CurrentHost() string {
+	return m.hosts[m.hostIndex%len(m.hosts)]
+}
+func (m *mockHostProvider) SwitchHost(index int) error { m.hostIndex = index; return nil }
+
+// mockReadyChecker records per-call IsReady results in sequence.
+type mockReadyChecker struct {
+	results []bool
+	idx     int
+}
+
+func (m *mockReadyChecker) IsReady(_ context.Context) bool {
+	if m.idx >= len(m.results) {
+		return false
+	}
+	r := m.results[m.idx]
+	m.idx++
+	return r
+}
+
+func TestEnsureReady_SingleHostReady(t *testing.T) {
+	provider := &mockHostProvider{hosts: []string{"http://host1:3500"}, hostIndex: 0}
+	checker := &mockReadyChecker{results: []bool{true}}
+	assert.Equal(t, true, EnsureReady(t.Context(), provider, checker))
+	assert.Equal(t, 0, provider.hostIndex)
+}
+
+func TestEnsureReady_SingleHostNotReady(t *testing.T) {
+	provider := &mockHostProvider{hosts: []string{"http://host1:3500"}, hostIndex: 0}
+	checker := &mockReadyChecker{results: []bool{false}}
+	assert.Equal(t, false, EnsureReady(t.Context(), provider, checker))
+}
+
+func TestEnsureReady_SingleHostError(t *testing.T) {
+	provider := &mockHostProvider{hosts: []string{"http://host1:3500"}, hostIndex: 0}
+	checker := &mockReadyChecker{results: []bool{false}}
+	assert.Equal(t, false, EnsureReady(t.Context(), provider, checker))
+}
+
+func TestEnsureReady_MultipleHostsFirstReady(t *testing.T) {
+	provider := &mockHostProvider{
+		hosts:     []string{"http://host1:3500", "http://host2:3500"},
+		hostIndex: 0,
+	}
+	checker := &mockReadyChecker{results: []bool{true}}
+	assert.Equal(t, true, EnsureReady(t.Context(), provider, checker))
+	assert.Equal(t, 0, provider.hostIndex)
+}
+
+func TestEnsureReady_MultipleHostsFailoverToSecond(t *testing.T) {
+	provider := &mockHostProvider{
+		hosts:     []string{"http://host1:3500", "http://host2:3500"},
+		hostIndex: 0,
+	}
+	checker := &mockReadyChecker{results: []bool{false, true}}
+	assert.Equal(t, true, EnsureReady(t.Context(), provider, checker))
+	assert.Equal(t, 1, provider.hostIndex)
+}
+
+func TestEnsureReady_MultipleHostsNoneReady(t *testing.T) {
+	provider := &mockHostProvider{
+		hosts:     []string{"http://host1:3500", "http://host2:3500", "http://host3:3500"},
+		hostIndex: 0,
+	}
+	checker := &mockReadyChecker{results: []bool{false, false, false}}
+	assert.Equal(t, false, EnsureReady(t.Context(), provider, checker))
+}
+
+func TestEnsureReady_WrapAroundFromNonZeroIndex(t *testing.T) {
+	provider := &mockHostProvider{
+		hosts:     []string{"http://host0:3500", "http://host1:3500", "http://host2:3500"},
+		hostIndex: 1,
+	}
+	// host1 (start) fails, host2 fails, host0 succeeds
+	checker := &mockReadyChecker{results: []bool{false, false, true}}
+	assert.Equal(t, true, EnsureReady(t.Context(), provider, checker))
+	assert.Equal(t, 0, provider.hostIndex)
+}

api/fallback/log.go

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

api/grpc/grpc_connection_provider.go

@@ -25,6 +25,11 @@ type GrpcConnectionProvider interface {
 	// SwitchHost switches to the endpoint at the given index.
 	// The new connection is created lazily on next CurrentConn() call.
 	SwitchHost(index int) error
+	// ConnectionCounter returns a monotonically increasing counter that increments
+	// each time SwitchHost changes the active endpoint. This allows consumers to
+	// detect connection changes even when the host string returns to a previous value
+	// (e.g., host0 → host1 → host0).
+	ConnectionCounter() uint64
 	// Close closes the current connection.
 	Close()
 }
@@ -38,6 +43,7 @@ type grpcConnectionProvider struct {
 	// Current connection state (protected by mutex)
 	currentIndex uint64
 	conn         *grpc.ClientConn
+	connCounter  uint64
 
 	mu     sync.Mutex
 	closed bool
@@ -138,6 +144,7 @@ func (p *grpcConnectionProvider) SwitchHost(index int) error {
 
 	p.conn = nil // Clear immediately - new connection created lazily
 	p.currentIndex = uint64(index)
+	p.connCounter++
 
 	// Close old connection asynchronously to avoid blocking the caller
 	if oldConn != nil {
@@ -155,6 +162,12 @@ func (p *grpcConnectionProvider) SwitchHost(index int) error {
 	return nil
 }
 
+func (p *grpcConnectionProvider) ConnectionCounter() uint64 {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	return p.connCounter
+}
+
 func (p *grpcConnectionProvider) Close() {
 	p.mu.Lock()
 	defer p.mu.Unlock()

api/grpc/mock_grpc_provider.go

@@ -4,17 +4,24 @@ import "google.golang.org/grpc"
 
 // MockGrpcProvider implements GrpcConnectionProvider for testing.
 type MockGrpcProvider struct {
-	MockConn  *grpc.ClientConn
-	MockHosts []string
+	MockConn     *grpc.ClientConn
+	MockHosts    []string
+	CurrentIndex int
+	ConnCounter  uint64
 }
 
 func (m *MockGrpcProvider) CurrentConn() *grpc.ClientConn { return m.MockConn }
 func (m *MockGrpcProvider) CurrentHost() string {
 	if len(m.MockHosts) > 0 {
-		return m.MockHosts[0]
+		return m.MockHosts[m.CurrentIndex]
 	}
 	return ""
 }
-func (m *MockGrpcProvider) Hosts() []string      { return m.MockHosts }
-func (m *MockGrpcProvider) SwitchHost(int) error { return nil }
-func (m *MockGrpcProvider) Close()               {}
+func (m *MockGrpcProvider) Hosts() []string { return m.MockHosts }
+func (m *MockGrpcProvider) SwitchHost(idx int) error {
+	m.CurrentIndex = idx
+	m.ConnCounter++
+	return nil
+}
+func (m *MockGrpcProvider) ConnectionCounter() uint64 { return m.ConnCounter }
+func (m *MockGrpcProvider) Close()                    {}

api/rest/mock_rest_provider.go

@@ -9,13 +9,13 @@ import (
 // MockRestProvider implements RestConnectionProvider for testing.
 type MockRestProvider struct {
 	MockClient  *http.Client
-	MockHandler RestHandler
+	MockHandler Handler
 	MockHosts   []string
 	HostIndex   int
 }
 
 func (m *MockRestProvider) HttpClient() *http.Client { return m.MockClient }
-func (m *MockRestProvider) RestHandler() RestHandler { return m.MockHandler }
+func (m *MockRestProvider) Handler() Handler         { return m.MockHandler }
 func (m *MockRestProvider) CurrentHost() string {
 	if len(m.MockHosts) > 0 {
 		return m.MockHosts[m.HostIndex%len(m.MockHosts)]
@@ -25,25 +25,22 @@ func (m *MockRestProvider) CurrentHost() string {
 func (m *MockRestProvider) Hosts() []string            { return m.MockHosts }
 func (m *MockRestProvider) SwitchHost(index int) error { m.HostIndex = index; return nil }
 
-// MockRestHandler implements RestHandler for testing.
-type MockRestHandler struct {
-	MockHost   string
-	MockClient *http.Client
+// MockHandler implements Handler for testing.
+type MockHandler struct {
+	MockHost string
 }
 
-func (m *MockRestHandler) Get(_ context.Context, _ string, _ any) error { return nil }
-func (m *MockRestHandler) GetStatusCode(_ context.Context, _ string) (int, error) {
+func (m *MockHandler) Get(_ context.Context, _ string, _ any) error { return nil }
+func (m *MockHandler) GetStatusCode(_ context.Context, _ string) (int, error) {
 	return http.StatusOK, nil
 }
-func (m *MockRestHandler) GetSSZ(_ context.Context, _ string) ([]byte, http.Header, error) {
+func (m *MockHandler) GetSSZ(_ context.Context, _ string) ([]byte, http.Header, error) {
 	return nil, nil, nil
 }
-func (m *MockRestHandler) Post(_ context.Context, _ string, _ map[string]string, _ *bytes.Buffer, _ any) error {
+func (m *MockHandler) Post(_ context.Context, _ string, _ map[string]string, _ *bytes.Buffer, _ any) error {
 	return nil
 }
-func (m *MockRestHandler) PostSSZ(_ context.Context, _ string, _ map[string]string, _ *bytes.Buffer) ([]byte, http.Header, error) {
+func (m *MockHandler) PostSSZ(_ context.Context, _ string, _ map[string]string, _ *bytes.Buffer) ([]byte, http.Header, error) {
 	return nil, nil, nil
 }
-func (m *MockRestHandler) HttpClient() *http.Client { return m.MockClient }
-func (m *MockRestHandler) Host() string             { return m.MockHost }
-func (m *MockRestHandler) SwitchHost(host string)   { m.MockHost = host }
+func (m *MockHandler) Host() string { return m.MockHost }

api/rest/rest_connection_provider.go

@@ -17,8 +17,8 @@ import (
 type RestConnectionProvider interface {
 	// HttpClient returns the configured HTTP client with headers, timeout, and optional tracing.
 	HttpClient() *http.Client
-	// RestHandler returns the REST handler for making API requests.
-	RestHandler() RestHandler
+	// Handler returns the REST handler for making API requests.
+	Handler() Handler
 	// CurrentHost returns the current REST API endpoint URL.
 	CurrentHost() string
 	// Hosts returns all configured REST API endpoint URLs.
@@ -54,7 +54,7 @@ func WithTracing() RestConnectionProviderOption {
 type restConnectionProvider struct {
 	endpoints     []string
 	httpClient    *http.Client
-	restHandler   RestHandler
+	restHandler   *handler
 	currentIndex  atomic.Uint64
 	timeout       time.Duration
 	headers       map[string][]string
@@ -96,7 +96,7 @@ func NewRestConnectionProvider(endpoint string, opts ...RestConnectionProviderOp
 	}
 
 	// Create the REST handler with the HTTP client and initial host
-	p.restHandler = newRestHandler(*p.httpClient, endpoints[0])
+	p.restHandler = newHandler(*p.httpClient, endpoints[0])
 
 	log.WithFields(logrus.Fields{
 		"endpoints": endpoints,
@@ -124,7 +124,7 @@ func (p *restConnectionProvider) HttpClient() *http.Client {
 	return p.httpClient
 }
 
-func (p *restConnectionProvider) RestHandler() RestHandler {
+func (p *restConnectionProvider) Handler() Handler {
 	return p.restHandler
 }
 

api/rest/rest_handler.go

@@ -21,32 +21,35 @@ import (
 
 type reqOption func(*http.Request)
 
-// RestHandler defines the interface for making REST API requests.
-type RestHandler interface {
+// Handler defines the interface for making REST API requests.
+type Handler interface {
 	Get(ctx context.Context, endpoint string, resp any) error
 	GetStatusCode(ctx context.Context, endpoint string) (int, error)
 	GetSSZ(ctx context.Context, endpoint string) ([]byte, http.Header, error)
 	Post(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer, resp any) error
 	PostSSZ(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer) ([]byte, http.Header, error)
-	HttpClient() *http.Client
 	Host() string
-	SwitchHost(host string)
 }
 
-type restHandler struct {
+type handler struct {
 	client       http.Client
 	host         string
 	reqOverrides []reqOption
 }
 
-// newRestHandler returns a RestHandler (internal use)
-func newRestHandler(client http.Client, host string) RestHandler {
-	return NewRestHandler(client, host)
+// newHandler returns a *handler for internal use within the rest package.
+func newHandler(client http.Client, host string) *handler {
+	rh := &handler{
+		client: client,
+		host:   host,
+	}
+	rh.appendAcceptOverride()
+	return rh
 }
 
-// NewRestHandler returns a RestHandler
-func NewRestHandler(client http.Client, host string) RestHandler {
-	rh := &restHandler{
+// NewHandler returns a Handler
+func NewHandler(client http.Client, host string) Handler {
+	rh := &handler{
 		client: client,
 		host:   host,
 	}
@@ -57,7 +60,7 @@ func NewRestHandler(client http.Client, host string) RestHandler {
 // appendAcceptOverride enables the Accept header to be customized at runtime via an environment variable.
 // This is specified as an env var because it is a niche option that prysm may use for performance testing or debugging
 // bug which users are unlikely to need. Using an env var keeps the set of user-facing flags cleaner.
-func (c *restHandler) appendAcceptOverride() {
+func (c *handler) appendAcceptOverride() {
 	if accept := os.Getenv(params.EnvNameOverrideAccept); accept != "" {
 		c.reqOverrides = append(c.reqOverrides, func(req *http.Request) {
 			req.Header.Set("Accept", accept)
@@ -66,18 +69,18 @@ func (c *restHandler) appendAcceptOverride() {
 }
 
 // HttpClient returns the underlying HTTP client of the handler
-func (c *restHandler) HttpClient() *http.Client {
+func (c *handler) HttpClient() *http.Client {
 	return &c.client
 }
 
 // Host returns the underlying HTTP host
-func (c *restHandler) Host() string {
+func (c *handler) Host() string {
 	return c.host
 }
 
 // Get sends a GET request and decodes the response body as a JSON object into the passed in object.
 // If an HTTP error is returned, the body is decoded as a DefaultJsonError JSON object and returned as the first return value.
-func (c *restHandler) Get(ctx context.Context, endpoint string, resp any) error {
+func (c *handler) Get(ctx context.Context, endpoint string, resp any) error {
 	url := c.host + endpoint
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
@@ -100,7 +103,7 @@ func (c *restHandler) Get(ctx context.Context, endpoint string, resp any) error
 // GetStatusCode sends a GET request and returns only the HTTP status code.
 // This is useful for endpoints like /eth/v1/node/health that communicate status via HTTP codes
 // (200 = ready, 206 = syncing, 503 = unavailable) rather than response bodies.
-func (c *restHandler) GetStatusCode(ctx context.Context, endpoint string) (int, error) {
+func (c *handler) GetStatusCode(ctx context.Context, endpoint string) (int, error) {
 	url := c.host + endpoint
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
@@ -119,7 +122,7 @@ func (c *restHandler) GetStatusCode(ctx context.Context, endpoint string) (int,
 	return httpResp.StatusCode, nil
 }
 
-func (c *restHandler) GetSSZ(ctx context.Context, endpoint string) ([]byte, http.Header, error) {
+func (c *handler) GetSSZ(ctx context.Context, endpoint string) ([]byte, http.Header, error) {
 	url := c.host + endpoint
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
@@ -174,7 +177,7 @@ func (c *restHandler) GetSSZ(ctx context.Context, endpoint string) ([]byte, http
 
 // Post sends a POST request and decodes the response body as a JSON object into the passed in object.
 // If an HTTP error is returned, the body is decoded as a DefaultJsonError JSON object and returned as the first return value.
-func (c *restHandler) Post(
+func (c *handler) Post(
 	ctx context.Context,
 	apiEndpoint string,
 	headers map[string]string,
@@ -210,7 +213,7 @@ func (c *restHandler) Post(
 }
 
 // PostSSZ sends a POST request and prefers an SSZ (application/octet-stream) response body.
-func (c *restHandler) PostSSZ(
+func (c *handler) PostSSZ(
 	ctx context.Context,
 	apiEndpoint string,
 	headers map[string]string,
@@ -311,6 +314,6 @@ func decodeResp(httpResp *http.Response, resp any) error {
 	return nil
 }
 
-func (c *restHandler) SwitchHost(host string) {
+func (c *handler) SwitchHost(host string) {
 	c.host = host
 }

api/server/structs/endpoints_validator.go

@@ -150,3 +150,36 @@ type ActiveSetChanges struct {
 	EjectedPublicKeys   []string `json:"ejected_public_keys"`
 	EjectedIndices      []string `json:"ejected_indices"`
 }
+
+// =============================================================================
+// GLOAS Fork Types - Execution Payload Envelope
+// =============================================================================
+// Note: Block-related GLOAS types (BeaconBlockGloas, ExecutionPayloadBid, etc.)
+// are defined in block.go. This file contains only the envelope types used for
+// the validator API endpoints.
+
+// ExecutionPayloadEnvelope represents an execution payload envelope in the GLOAS fork.
+// This wraps the full execution payload with builder metadata for separate signing
+// and broadcasting by validators.
+type ExecutionPayloadEnvelope struct {
+	Payload            json.RawMessage `json:"payload"`              // ExecutionPayloadDeneb
+	ExecutionRequests  json.RawMessage `json:"execution_requests"`   // ExecutionRequests
+	BuilderIndex       string          `json:"builder_index"`        // uint64 as string
+	BeaconBlockRoot    string          `json:"beacon_block_root"`    // hex encoded 32 bytes
+	Slot               string          `json:"slot"`                 // uint64 as string
+	BlobKzgCommitments []string        `json:"blob_kzg_commitments"` // list of hex encoded 48-byte commitments
+	StateRoot          string          `json:"state_root"`           // hex encoded 32 bytes
+}
+
+// SignedExecutionPayloadEnvelope wraps an execution payload envelope with a BLS signature.
+// The signature is provided by the validator after retrieving the envelope from the beacon node.
+type SignedExecutionPayloadEnvelope struct {
+	Message   *ExecutionPayloadEnvelope `json:"message"`
+	Signature string                    `json:"signature"` // hex encoded 96-byte BLS signature
+}
+
+// GetExecutionPayloadEnvelopeResponse is the response for retrieving a cached execution payload envelope.
+type GetExecutionPayloadEnvelopeResponse struct {
+	Version string                    `json:"version"`
+	Data    *ExecutionPayloadEnvelope `json:"data"`
+}

beacon-chain/blockchain/BUILD.bazel

@@ -85,6 +85,7 @@ go_library(
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//io/logs:go_default_library",
         "//math:go_default_library",
         "//monitoring/tracing:go_default_library",
         "//monitoring/tracing/trace:go_default_library",

beacon-chain/blockchain/log_helpers.go

@@ -10,6 +10,7 @@ import (
 	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v7/io/logs"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	prysmTime "github.com/OffchainLabs/prysm/v7/time"
@@ -87,36 +88,45 @@ func logStateTransitionData(b interfaces.ReadOnlyBeaconBlock) error {
 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())
 	if err != nil {
-		return err
+		return errors.Wrap(err, "failed to get slot start time")
 	}
-	level := log.Logger.GetLevel()
+	parentRoot := block.ParentRoot()
+	blkRoot := fmt.Sprintf("0x%s...", hex.EncodeToString(blockRoot[:])[:8])
+	finalizedRoot := fmt.Sprintf("0x%s...", hex.EncodeToString(finalized.Root)[:8])
+	sinceSlotStartTime := prysmTime.Now().Sub(startTime)
+
+	lessFields := logrus.Fields{
+		"slot":               block.Slot(),
+		"block":              blkRoot,
+		"finalizedEpoch":     finalized.Epoch,
+		"finalizedRoot":      finalizedRoot,
+		"epoch":              slots.ToEpoch(block.Slot()),
+		"sinceSlotStartTime": sinceSlotStartTime,
+	}
+	moreFields := logrus.Fields{
+		"slot":                       block.Slot(),
+		"slotInEpoch":                block.Slot() % params.BeaconConfig().SlotsPerEpoch,
+		"block":                      blkRoot,
+		"epoch":                      slots.ToEpoch(block.Slot()),
+		"justifiedEpoch":             justified.Epoch,
+		"justifiedRoot":              fmt.Sprintf("0x%s...", hex.EncodeToString(justified.Root)[:8]),
+		"finalizedEpoch":             finalized.Epoch,
+		"finalizedRoot":              finalizedRoot,
+		"parentRoot":                 fmt.Sprintf("0x%s...", hex.EncodeToString(parentRoot[:])[:8]),
+		"version":                    version.String(block.Version()),
+		"sinceSlotStartTime":         sinceSlotStartTime,
+		"chainServiceProcessedTime":  prysmTime.Now().Sub(receivedTime) - daWaitedTime,
+		"dataAvailabilityWaitedTime": daWaitedTime,
+	}
+
+	level := logs.PackageVerbosity("beacon-chain/blockchain")
 	if level >= logrus.DebugLevel {
-		parentRoot := block.ParentRoot()
-		lf := logrus.Fields{
-			"slot":                       block.Slot(),
-			"slotInEpoch":                block.Slot() % params.BeaconConfig().SlotsPerEpoch,
-			"block":                      fmt.Sprintf("0x%s...", hex.EncodeToString(blockRoot[:])[:8]),
-			"epoch":                      slots.ToEpoch(block.Slot()),
-			"justifiedEpoch":             justified.Epoch,
-			"justifiedRoot":              fmt.Sprintf("0x%s...", hex.EncodeToString(justified.Root)[:8]),
-			"finalizedEpoch":             finalized.Epoch,
-			"finalizedRoot":              fmt.Sprintf("0x%s...", hex.EncodeToString(finalized.Root)[:8]),
-			"parentRoot":                 fmt.Sprintf("0x%s...", hex.EncodeToString(parentRoot[:])[:8]),
-			"version":                    version.String(block.Version()),
-			"sinceSlotStartTime":         prysmTime.Now().Sub(startTime),
-			"chainServiceProcessedTime":  prysmTime.Now().Sub(receivedTime) - daWaitedTime,
-			"dataAvailabilityWaitedTime": daWaitedTime,
-		}
-		log.WithFields(lf).Debug("Synced new block")
-	} else {
-		log.WithFields(logrus.Fields{
-			"slot":           block.Slot(),
-			"block":          fmt.Sprintf("0x%s...", hex.EncodeToString(blockRoot[:])[:8]),
-			"finalizedEpoch": finalized.Epoch,
-			"finalizedRoot":  fmt.Sprintf("0x%s...", hex.EncodeToString(finalized.Root)[:8]),
-			"epoch":          slots.ToEpoch(block.Slot()),
-		}).Info("Synced new block")
+		log.WithFields(moreFields).Info("Synced new block")
+		return nil
 	}
+
+	log.WithFields(lessFields).WithField(logs.LogTargetField, logs.LogTargetUser).Info("Synced new block")
+	log.WithFields(moreFields).WithField(logs.LogTargetField, logs.LogTargetEphemeral).Info("Synced new block")
 	return nil
 }
 

beacon-chain/cache/BUILD.bazel

@@ -15,6 +15,7 @@ go_library(
         "common.go",
         "doc.go",
         "error.go",
+        "execution_payload_envelope.go",
         "interfaces.go",
         "log.go",
         "payload_id.go",
@@ -51,6 +52,7 @@ go_library(
         "//encoding/bytesutil:go_default_library",
         "//math:go_default_library",
         "//monitoring/tracing/trace:go_default_library",
+        "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//proto/prysm/v1alpha1/attestation:go_default_library",
         "//runtime/version:go_default_library",
@@ -76,6 +78,7 @@ go_test(
         "checkpoint_state_test.go",
         "committee_fuzz_test.go",
         "committee_test.go",
+        "execution_payload_envelope_test.go",
         "payload_id_test.go",
         "private_access_test.go",
         "proposer_indices_test.go",
@@ -97,6 +100,7 @@ go_test(
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls/blst:go_default_library",
         "//encoding/bytesutil:go_default_library",
+        "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//proto/prysm/v1alpha1/attestation:go_default_library",
         "//testing/assert:go_default_library",

beacon-chain/cache/execution_payload_envelope.go

@@ -0,0 +1,111 @@
+package cache
+
+import (
+	"sync"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+// ExecutionPayloadEnvelopeKey uniquely identifies a cached execution payload envelope.
+type ExecutionPayloadEnvelopeKey struct {
+	Slot         primitives.Slot
+	BuilderIndex primitives.BuilderIndex
+}
+
+// executionPayloadEnvelopeCacheEntry holds an execution payload envelope and
+// the associated blobs bundle from the EL. The blobs bundle is needed later
+// when proposing the block to build and broadcast blob sidecars.
+type executionPayloadEnvelopeCacheEntry struct {
+	envelope    *ethpb.ExecutionPayloadEnvelope
+	blobsBundle enginev1.BlobsBundler
+}
+
+// ExecutionPayloadEnvelopeCache stores execution payload envelopes produced during
+// GLOAS block building for later retrieval by validators. When a beacon node
+// produces a GLOAS block, it caches the execution payload envelope so the validator
+// can retrieve it, sign it, and broadcast it separately from the beacon block.
+// The blobs bundle from the EL is also cached alongside, since blobs are only
+// persisted to the DB after they are broadcast as sidecars during block proposal.
+type ExecutionPayloadEnvelopeCache struct {
+	cache map[ExecutionPayloadEnvelopeKey]*executionPayloadEnvelopeCacheEntry
+	sync.RWMutex
+}
+
+// NewExecutionPayloadEnvelopeCache creates a new execution payload envelope cache.
+func NewExecutionPayloadEnvelopeCache() *ExecutionPayloadEnvelopeCache {
+	return &ExecutionPayloadEnvelopeCache{
+		cache: make(map[ExecutionPayloadEnvelopeKey]*executionPayloadEnvelopeCacheEntry),
+	}
+}
+
+// Get retrieves an execution payload envelope by slot and builder index.
+// Returns the envelope and true if found, nil and false otherwise.
+func (c *ExecutionPayloadEnvelopeCache) Get(slot primitives.Slot, builderIndex primitives.BuilderIndex) (*ethpb.ExecutionPayloadEnvelope, bool) {
+	c.RLock()
+	defer c.RUnlock()
+
+	key := ExecutionPayloadEnvelopeKey{
+		Slot:         slot,
+		BuilderIndex: builderIndex,
+	}
+	entry, ok := c.cache[key]
+	if !ok {
+		return nil, false
+	}
+	return entry.envelope, true
+}
+
+// GetBlobsBundle retrieves a cached blobs bundle by slot and builder index.
+// Returns the blobs bundle and true if found, nil and false otherwise.
+func (c *ExecutionPayloadEnvelopeCache) GetBlobsBundle(slot primitives.Slot, builderIndex primitives.BuilderIndex) (enginev1.BlobsBundler, bool) {
+	c.RLock()
+	defer c.RUnlock()
+
+	key := ExecutionPayloadEnvelopeKey{
+		Slot:         slot,
+		BuilderIndex: builderIndex,
+	}
+	entry, ok := c.cache[key]
+	if !ok {
+		return nil, false
+	}
+	return entry.blobsBundle, true
+}
+
+// Set stores an execution payload envelope and its associated blobs bundle in the cache.
+// The envelope's slot and builder_index fields are used as the cache key.
+// Old entries are automatically pruned to prevent unbounded growth.
+func (c *ExecutionPayloadEnvelopeCache) Set(envelope *ethpb.ExecutionPayloadEnvelope, blobsBundle enginev1.BlobsBundler) {
+	if envelope == nil {
+		return
+	}
+
+	c.Lock()
+	defer c.Unlock()
+
+	slot := envelope.Slot
+	if slot > 2 {
+		c.prune(slot - 2)
+	}
+
+	key := ExecutionPayloadEnvelopeKey{
+		Slot:         slot,
+		BuilderIndex: envelope.BuilderIndex,
+	}
+	c.cache[key] = &executionPayloadEnvelopeCacheEntry{
+		envelope:    envelope,
+		blobsBundle: blobsBundle,
+	}
+}
+
+// prune removes all entries with slots older than the given slot.
+// Must be called with the lock held.
+func (c *ExecutionPayloadEnvelopeCache) prune(slot primitives.Slot) {
+	for key := range c.cache {
+		if key.Slot < slot {
+			delete(c.cache, key)
+		}
+	}
+}

beacon-chain/cache/execution_payload_envelope_test.go

@@ -0,0 +1,146 @@
+package cache
+
+import (
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/require"
+)
+
+func TestExecutionPayloadEnvelopeCache_GetSet(t *testing.T) {
+	cache := NewExecutionPayloadEnvelopeCache()
+
+	// Test empty cache returns false
+	_, ok := cache.Get(1, 0)
+	require.Equal(t, false, ok, "expected empty cache to return false")
+
+	// Create test envelope
+	envelope := &ethpb.ExecutionPayloadEnvelope{
+		Slot:         primitives.Slot(100),
+		BuilderIndex: primitives.BuilderIndex(5),
+		StateRoot:    make([]byte, 32),
+	}
+
+	// Set and retrieve
+	cache.Set(envelope, nil)
+	retrieved, ok := cache.Get(100, 5)
+	require.Equal(t, true, ok, "expected to find cached envelope")
+	require.Equal(t, envelope.Slot, retrieved.Slot)
+	require.Equal(t, envelope.BuilderIndex, retrieved.BuilderIndex)
+
+	// Different builder index should not find it
+	_, ok = cache.Get(100, 6)
+	require.Equal(t, false, ok, "expected different builder index to return false")
+
+	// Different slot should not find it
+	_, ok = cache.Get(101, 5)
+	require.Equal(t, false, ok, "expected different slot to return false")
+}
+
+func TestExecutionPayloadEnvelopeCache_Prune(t *testing.T) {
+	cache := NewExecutionPayloadEnvelopeCache()
+
+	// Add envelopes at slots 10, 11, 12 (close enough that none get pruned).
+	// Prune removes entries with slot < (new_slot - 2), so inserting 10, 11, 12
+	// keeps all three: slot 12 prunes < 10, but 10 is not < 10.
+	for i := primitives.Slot(10); i <= 12; i++ {
+		envelope := &ethpb.ExecutionPayloadEnvelope{
+			Slot:         i,
+			BuilderIndex: 0,
+			StateRoot:    make([]byte, 32),
+		}
+		cache.Set(envelope, nil)
+	}
+
+	// Verify all are present
+	for i := primitives.Slot(10); i <= 12; i++ {
+		_, ok := cache.Get(i, 0)
+		require.Equal(t, true, ok, "expected envelope at slot %d", i)
+	}
+
+	// Add envelope at slot 20, should prune slots < 18
+	envelope := &ethpb.ExecutionPayloadEnvelope{
+		Slot:         20,
+		BuilderIndex: 0,
+		StateRoot:    make([]byte, 32),
+	}
+	cache.Set(envelope, nil)
+
+	// Slots 10-12 should be pruned (all < 18)
+	for i := primitives.Slot(10); i <= 12; i++ {
+		_, ok := cache.Get(i, 0)
+		require.Equal(t, false, ok, "expected envelope at slot %d to be pruned", i)
+	}
+
+	// Slot 20 should still be present
+	_, ok := cache.Get(20, 0)
+	require.Equal(t, true, ok, "expected envelope at slot 20 to be present")
+}
+
+func TestExecutionPayloadEnvelopeCache_NilEnvelope(t *testing.T) {
+	cache := NewExecutionPayloadEnvelopeCache()
+
+	// Setting nil should not panic or add entry
+	cache.Set(nil, nil)
+
+	// Cache should still be empty
+	require.Equal(t, 0, len(cache.cache))
+}
+
+func TestExecutionPayloadEnvelopeCache_MultipleBuilders(t *testing.T) {
+	cache := NewExecutionPayloadEnvelopeCache()
+
+	slot := primitives.Slot(100)
+
+	// Add envelopes from multiple builders at same slot
+	for i := range primitives.BuilderIndex(3) {
+		envelope := &ethpb.ExecutionPayloadEnvelope{
+			Slot:         slot,
+			BuilderIndex: i,
+			StateRoot:    make([]byte, 32),
+		}
+		cache.Set(envelope, nil)
+	}
+
+	// All should be retrievable
+	for i := range primitives.BuilderIndex(3) {
+		retrieved, ok := cache.Get(slot, i)
+		require.Equal(t, true, ok, "expected to find envelope for builder %d", i)
+		require.Equal(t, i, retrieved.BuilderIndex)
+	}
+}
+
+func TestExecutionPayloadEnvelopeCache_BlobsBundle(t *testing.T) {
+	cache := NewExecutionPayloadEnvelopeCache()
+
+	slot := primitives.Slot(100)
+	builderIndex := primitives.BuilderIndex(5)
+
+	envelope := &ethpb.ExecutionPayloadEnvelope{
+		Slot:         slot,
+		BuilderIndex: builderIndex,
+		StateRoot:    make([]byte, 32),
+	}
+	bundle := &enginev1.BlobsBundle{
+		KzgCommitments: [][]byte{{1, 2, 3}},
+		Proofs:         [][]byte{{4, 5, 6}},
+		Blobs:          [][]byte{{7, 8, 9}},
+	}
+
+	cache.Set(envelope, bundle)
+
+	// Retrieve blobs bundle
+	retrieved, ok := cache.GetBlobsBundle(slot, builderIndex)
+	require.Equal(t, true, ok, "expected to find cached blobs bundle")
+	require.NotNil(t, retrieved)
+	b, ok := retrieved.(*enginev1.BlobsBundle)
+	require.Equal(t, true, ok)
+	require.Equal(t, 1, len(b.KzgCommitments))
+	require.DeepEqual(t, []byte{1, 2, 3}, b.KzgCommitments[0])
+
+	// Nil blobs bundle for missing key
+	_, ok = cache.GetBlobsBundle(slot, 99)
+	require.Equal(t, false, ok, "expected missing key to return false")
+}

beacon-chain/core/gloas/bid.go

@@ -17,27 +17,50 @@ import (
 )
 
 // ProcessExecutionPayloadBid processes a signed execution payload bid in the Gloas fork.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// process_execution_payload_bid(state: BeaconState, block: BeaconBlock):
 //
-//	signed_bid = block.body.signed_execution_payload_bid
-//	bid = signed_bid.message
-//	builder_index = bid.builder_index
-//	amount = bid.value
-//	if builder_index == BUILDER_INDEX_SELF_BUILD:
-//	  assert amount == 0
-//	  assert signed_bid.signature == G2_POINT_AT_INFINITY
-//	else:
-//	  assert is_active_builder(state, builder_index)
-//	  assert can_builder_cover_bid(state, builder_index, amount)
-//	  assert verify_execution_payload_bid_signature(state, signed_bid)
-//	assert bid.slot == block.slot
-//	assert bid.parent_block_hash == state.latest_block_hash
-//	assert bid.parent_block_root == block.parent_root
-//	assert bid.prev_randao == get_randao_mix(state, get_current_epoch(state))
-//	if amount > 0:
-//	  state.builder_pending_payments[...] = BuilderPendingPayment(weight=0, withdrawal=BuilderPendingWithdrawal(fee_recipient=bid.fee_recipient, amount=amount, builder_index=builder_index))
-//	state.latest_execution_payload_bid = bid
+//	<spec fn="process_execution_payload_bid" fork="gloas" hash="6dc696bb">
+//	def process_execution_payload_bid(state: BeaconState, block: BeaconBlock) -> None:
+//	    signed_bid = block.body.signed_execution_payload_bid
+//	    bid = signed_bid.message
+//	    builder_index = bid.builder_index
+//	    amount = bid.value
+//
+//	    # For self-builds, amount must be zero regardless of withdrawal credential prefix
+//	    if builder_index == BUILDER_INDEX_SELF_BUILD:
+//	        assert amount == 0
+//	        assert signed_bid.signature == bls.G2_POINT_AT_INFINITY
+//	    else:
+//	        # Verify that the builder is active
+//	        assert is_active_builder(state, builder_index)
+//	        # Verify that the builder has funds to cover the bid
+//	        assert can_builder_cover_bid(state, builder_index, amount)
+//	        # Verify that the bid signature is valid
+//	        assert verify_execution_payload_bid_signature(state, signed_bid)
+//
+//	    # Verify that the bid is for the current slot
+//	    assert bid.slot == block.slot
+//	    # Verify that the bid is for the right parent block
+//	    assert bid.parent_block_hash == state.latest_block_hash
+//	    assert bid.parent_block_root == block.parent_root
+//	    assert bid.prev_randao == get_randao_mix(state, get_current_epoch(state))
+//
+//	    # Record the pending payment if there is some payment
+//	    if amount > 0:
+//	        pending_payment = BuilderPendingPayment(
+//	            weight=0,
+//	            withdrawal=BuilderPendingWithdrawal(
+//	                fee_recipient=bid.fee_recipient,
+//	                amount=amount,
+//	                builder_index=builder_index,
+//	            ),
+//	        )
+//	        state.builder_pending_payments[SLOTS_PER_EPOCH + bid.slot % SLOTS_PER_EPOCH] = (
+//	            pending_payment
+//	        )
+//
+//	    # Cache the signed execution payload bid
+//	    state.latest_execution_payload_bid = bid
+//	</spec>
 func ProcessExecutionPayloadBid(st state.BeaconState, block interfaces.ReadOnlyBeaconBlock) error {
 	signedBid, err := block.Body().SignedExecutionPayloadBid()
 	if err != nil {

beacon-chain/core/gloas/payload_attestation.go

@@ -24,14 +24,21 @@ import (
 )
 
 // ProcessPayloadAttestations validates payload attestations in a block body.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// process_payload_attestation(state: BeaconState, payload_attestation: PayloadAttestation):
 //
-//	data = payload_attestation.data
-//	assert data.beacon_block_root == state.latest_block_header.parent_root
-//	assert data.slot + 1 == state.slot
-//	indexed = get_indexed_payload_attestation(state, data.slot, payload_attestation)
-//	assert is_valid_indexed_payload_attestation(state, indexed)
+//	<spec fn="process_payload_attestation" fork="gloas" hash="f46bf0b0">
+//	def process_payload_attestation(
+//	    state: BeaconState, payload_attestation: PayloadAttestation
+//	) -> None:
+//	    data = payload_attestation.data
+//
+//	    # Check that the attestation is for the parent beacon block
+//	    assert data.beacon_block_root == state.latest_block_header.parent_root
+//	    # Check that the attestation is for the previous slot
+//	    assert data.slot + 1 == state.slot
+//	    # Verify signature
+//	    indexed_payload_attestation = get_indexed_payload_attestation(state, payload_attestation)
+//	    assert is_valid_indexed_payload_attestation(state, indexed_payload_attestation)
+//	</spec>
 func ProcessPayloadAttestations(ctx context.Context, st state.BeaconState, body interfaces.ReadOnlyBeaconBlockBody) error {
 	atts, err := body.PayloadAttestations()
 	if err != nil {
@@ -90,17 +97,24 @@ func indexedPayloadAttestation(ctx context.Context, st state.ReadOnlyBeaconState
 }
 
 // payloadCommittee returns the payload timeliness committee for a given slot for the state.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// get_ptc(state: BeaconState, slot: Slot) -> Vector[ValidatorIndex, PTC_SIZE]:
 //
-//	epoch = compute_epoch_at_slot(slot)
-//	seed = hash(get_seed(state, epoch, DOMAIN_PTC_ATTESTER) + uint_to_bytes(slot))
-//	indices = []
-//	committees_per_slot = get_committee_count_per_slot(state, epoch)
-//	for i in range(committees_per_slot):
-//	  committee = get_beacon_committee(state, slot, CommitteeIndex(i))
-//	  indices.extend(committee)
-//	return compute_balance_weighted_selection(state, indices, seed, size=PTC_SIZE, shuffle_indices=False)
+//	<spec fn="get_ptc" fork="gloas" hash="ae15f761">
+//	def get_ptc(state: BeaconState, slot: Slot) -> Vector[ValidatorIndex, PTC_SIZE]:
+//	    """
+//	    Get the payload timeliness committee for the given ``slot``.
+//	    """
+//	    epoch = compute_epoch_at_slot(slot)
+//	    seed = hash(get_seed(state, epoch, DOMAIN_PTC_ATTESTER) + uint_to_bytes(slot))
+//	    indices: List[ValidatorIndex] = []
+//	    # Concatenate all committees for this slot in order
+//	    committees_per_slot = get_committee_count_per_slot(state, epoch)
+//	    for i in range(committees_per_slot):
+//	        committee = get_beacon_committee(state, slot, CommitteeIndex(i))
+//	        indices.extend(committee)
+//	    return compute_balance_weighted_selection(
+//	        state, indices, seed, size=PTC_SIZE, shuffle_indices=False
+//	    )
+//	</spec>
 func payloadCommittee(ctx context.Context, st state.ReadOnlyBeaconState, slot primitives.Slot) ([]primitives.ValidatorIndex, error) {
 	epoch := slots.ToEpoch(slot)
 	seed, err := ptcSeed(st, epoch, slot)
@@ -152,17 +166,35 @@ func ptcSeed(st state.ReadOnlyBeaconState, epoch primitives.Epoch, slot primitiv
 }
 
 // selectByBalance selects a balance-weighted subset of input candidates.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// compute_balance_weighted_selection(state, indices, seed, size, shuffle_indices):
-// Note: shuffle_indices is false for PTC.
 //
-//	total = len(indices); selected = []; i = 0
-//	while len(selected) < size:
-//	  next = i % total
-//	  if shuffle_indices: next = compute_shuffled_index(next, total, seed)
-//	  if compute_balance_weighted_acceptance(state, indices[next], seed, i):
-//	    selected.append(indices[next])
-//	  i += 1
+//	<spec fn="compute_balance_weighted_selection" fork="gloas" hash="2c9f1c23">
+//	def compute_balance_weighted_selection(
+//	    state: BeaconState,
+//	    indices: Sequence[ValidatorIndex],
+//	    seed: Bytes32,
+//	    size: uint64,
+//	    shuffle_indices: bool,
+//	) -> Sequence[ValidatorIndex]:
+//	    """
+//	    Return ``size`` indices sampled by effective balance, using ``indices``
+//	    as candidates. If ``shuffle_indices`` is ``True``, candidate indices
+//	    are themselves sampled from ``indices`` by shuffling it, otherwise
+//	    ``indices`` is traversed in order.
+//	    """
+//	    total = uint64(len(indices))
+//	    assert total > 0
+//	    selected: List[ValidatorIndex] = []
+//	    i = uint64(0)
+//	    while len(selected) < size:
+//	        next_index = i % total
+//	        if shuffle_indices:
+//	            next_index = compute_shuffled_index(next_index, total, seed)
+//	        candidate_index = indices[next_index]
+//	        if compute_balance_weighted_acceptance(state, candidate_index, seed, i):
+//	            selected.append(candidate_index)
+//	        i += 1
+//	    return selected
+//	</spec>
 func selectByBalanceFill(
 	ctx context.Context,
 	st state.ReadOnlyBeaconState,
@@ -199,15 +231,22 @@ func selectByBalanceFill(
 }
 
 // acceptByBalance determines if a validator is accepted based on its effective balance.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// compute_balance_weighted_acceptance(state, index, seed, i):
 //
-//	MAX_RANDOM_VALUE = 2**16 - 1
-//	random_bytes = hash(seed + uint_to_bytes(i // 16))
-//	offset = i % 16 * 2
-//	random_value = bytes_to_uint64(random_bytes[offset:offset+2])
-//	effective_balance = state.validators[index].effective_balance
-//	return effective_balance * MAX_RANDOM_VALUE >= MAX_EFFECTIVE_BALANCE_ELECTRA * random_value
+//	<spec fn="compute_balance_weighted_acceptance" fork="gloas" hash="9954dcd0">
+//	def compute_balance_weighted_acceptance(
+//	    state: BeaconState, index: ValidatorIndex, seed: Bytes32, i: uint64
+//	) -> bool:
+//	    """
+//	    Return whether to accept the selection of the validator ``index``, with probability
+//	    proportional to its ``effective_balance``, and randomness given by ``seed`` and ``i``.
+//	    """
+//	    MAX_RANDOM_VALUE = 2**16 - 1
+//	    random_bytes = hash(seed + uint_to_bytes(i // 16))
+//	    offset = i % 16 * 2
+//	    random_value = bytes_to_uint64(random_bytes[offset : offset + 2])
+//	    effective_balance = state.validators[index].effective_balance
+//	    return effective_balance * MAX_RANDOM_VALUE >= MAX_EFFECTIVE_BALANCE_ELECTRA * random_value
+//	</spec>
 func acceptByBalance(st state.ReadOnlyBeaconState, idx primitives.ValidatorIndex, seedBuf []byte, hashFunc func([]byte) [32]byte, maxBalance uint64, round uint64) (bool, error) {
 	// Reuse the seed buffer by overwriting the last 8 bytes with the round counter.
 	binary.LittleEndian.PutUint64(seedBuf[len(seedBuf)-8:], round/16)
@@ -224,16 +263,26 @@ func acceptByBalance(st state.ReadOnlyBeaconState, idx primitives.ValidatorIndex
 }
 
 // validIndexedPayloadAttestation verifies the signature of an indexed payload attestation.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// is_valid_indexed_payload_attestation(state: BeaconState, indexed_payload_attestation: IndexedPayloadAttestation) -> bool:
 //
-//	indices = indexed_payload_attestation.attesting_indices
-//	return len(indices) > 0 and indices == sorted(indices) and
-//	  bls.FastAggregateVerify(
-//	    [state.validators[i].pubkey for i in indices],
-//	    compute_signing_root(indexed_payload_attestation.data, get_domain(state, DOMAIN_PTC_ATTESTER, compute_epoch_at_slot(attestation.data.slot)),
-//	    indexed_payload_attestation.signature,
-//	  )
+//	<spec fn="is_valid_indexed_payload_attestation" fork="gloas" hash="cf1e65b5">
+//	def is_valid_indexed_payload_attestation(
+//	    state: BeaconState, indexed_payload_attestation: IndexedPayloadAttestation
+//	) -> bool:
+//	    """
+//	    Check if ``indexed_payload_attestation`` is non-empty, has sorted indices, and has
+//	    a valid aggregate signature.
+//	    """
+//	    # Verify indices are non-empty and sorted
+//	    indices = indexed_payload_attestation.attesting_indices
+//	    if len(indices) == 0 or not indices == sorted(indices):
+//	        return False
+//
+//	    # Verify aggregate signature
+//	    pubkeys = [state.validators[i].pubkey for i in indices]
+//	    domain = get_domain(state, DOMAIN_PTC_ATTESTER, None)
+//	    signing_root = compute_signing_root(indexed_payload_attestation.data, domain)
+//	    return bls.FastAggregateVerify(pubkeys, signing_root, indexed_payload_attestation.signature)
+//	</spec>
 func validIndexedPayloadAttestation(st state.ReadOnlyBeaconState, att *consensus_types.IndexedPayloadAttestation) error {
 	indices := att.AttestingIndices
 	if len(indices) == 0 || !slices.IsSorted(indices) {

beacon-chain/core/gloas/pending_payment.go

@@ -10,17 +10,21 @@ import (
 )
 
 // ProcessBuilderPendingPayments processes the builder pending payments from the previous epoch.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def process_builder_pending_payments(state: BeaconState) -> None:
 //
-//	quorum = get_builder_payment_quorum_threshold(state)
-//	for payment in state.builder_pending_payments[:SLOTS_PER_EPOCH]:
-//	    if payment.weight >= quorum:
-//	        state.builder_pending_withdrawals.append(payment.withdrawal)
+//	<spec fn="process_builder_pending_payments" fork="gloas" hash="10da48dd">
+//	def process_builder_pending_payments(state: BeaconState) -> None:
+//	    """
+//	    Processes the builder pending payments from the previous epoch.
+//	    """
+//	    quorum = get_builder_payment_quorum_threshold(state)
+//	    for payment in state.builder_pending_payments[:SLOTS_PER_EPOCH]:
+//	        if payment.weight >= quorum:
+//	            state.builder_pending_withdrawals.append(payment.withdrawal)
 //
-//	old_payments = state.builder_pending_payments[SLOTS_PER_EPOCH:]
-//	new_payments = [BuilderPendingPayment() for _ in range(SLOTS_PER_EPOCH)]
-//	state.builder_pending_payments = old_payments + new_payments
+//	    old_payments = state.builder_pending_payments[SLOTS_PER_EPOCH:]
+//	    new_payments = [BuilderPendingPayment() for _ in range(SLOTS_PER_EPOCH)]
+//	    state.builder_pending_payments = old_payments + new_payments
+//	</spec>
 func ProcessBuilderPendingPayments(state state.BeaconState) error {
 	quorum, err := builderQuorumThreshold(state)
 	if err != nil {
@@ -53,12 +57,16 @@ func ProcessBuilderPendingPayments(state state.BeaconState) error {
 }
 
 // builderQuorumThreshold calculates the quorum threshold for builder payments.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def get_builder_payment_quorum_threshold(state: BeaconState) -> uint64:
 //
-//	per_slot_balance = get_total_active_balance(state) // SLOTS_PER_EPOCH
-//	quorum = per_slot_balance * BUILDER_PAYMENT_THRESHOLD_NUMERATOR
-//	return uint64(quorum // BUILDER_PAYMENT_THRESHOLD_DENOMINATOR)
+//	<spec fn="get_builder_payment_quorum_threshold" fork="gloas" hash="a64b7ffb">
+//	def get_builder_payment_quorum_threshold(state: BeaconState) -> uint64:
+//	    """
+//	    Calculate the quorum threshold for builder payments.
+//	    """
+//	    per_slot_balance = get_total_active_balance(state) // SLOTS_PER_EPOCH
+//	    quorum = per_slot_balance * BUILDER_PAYMENT_THRESHOLD_NUMERATOR
+//	    return uint64(quorum // BUILDER_PAYMENT_THRESHOLD_DENOMINATOR)
+//	</spec>
 func builderQuorumThreshold(state state.ReadOnlyBeaconState) (primitives.Gwei, error) {
 	activeBalance, err := helpers.TotalActiveBalance(state)
 	if err != nil {

beacon-chain/core/gloas/proposer_slashing.go

@@ -11,16 +11,20 @@ import (
 )
 
 // RemoveBuilderPendingPayment removes the pending builder payment for the proposal slot.
-// Spec v1.7.0 (pseudocode):
 //
+//	<spec fn="process_proposer_slashing" fork="gloas" lines="22-32" hash="4da721ef">
+//	# [New in Gloas:EIP7732]
+//	# Remove the BuilderPendingPayment corresponding to
+//	# this proposal if it is still in the 2-epoch window.
 //	slot = header_1.slot
 //	proposal_epoch = compute_epoch_at_slot(slot)
 //	if proposal_epoch == get_current_epoch(state):
-//	  payment_index = SLOTS_PER_EPOCH + slot % SLOTS_PER_EPOCH
-//	  state.builder_pending_payments[payment_index] = BuilderPendingPayment()
+//	    payment_index = SLOTS_PER_EPOCH + slot % SLOTS_PER_EPOCH
+//	    state.builder_pending_payments[payment_index] = BuilderPendingPayment()
 //	elif proposal_epoch == get_previous_epoch(state):
-//	  payment_index = slot % SLOTS_PER_EPOCH
-//	  state.builder_pending_payments[payment_index] = BuilderPendingPayment()
+//	    payment_index = slot % SLOTS_PER_EPOCH
+//	    state.builder_pending_payments[payment_index] = BuilderPendingPayment()
+//	</spec>
 func RemoveBuilderPendingPayment(st state.BeaconState, header *eth.BeaconBlockHeader) error {
 	proposalEpoch := slots.ToEpoch(header.Slot)
 	currentEpoch := time.CurrentEpoch(st)

beacon-chain/core/peerdas/validator.go

@@ -23,11 +23,13 @@ var (
 var (
 	_ ConstructionPopulator = (*BlockReconstructionSource)(nil)
 	_ ConstructionPopulator = (*SidecarReconstructionSource)(nil)
+	_ ConstructionPopulator = (*EnvelopeReconstructionSource)(nil)
 )
 
 const (
-	BlockType   = "BeaconBlock"
-	SidecarType = "DataColumnSidecar"
+	BlockType    = "BeaconBlock"
+	SidecarType  = "DataColumnSidecar"
+	EnvelopeType = "ExecutionPayloadEnvelope"
 )
 
 type (
@@ -49,11 +51,20 @@ type (
 		blocks.ROBlock
 	}
 
-	// DataColumnSidecar is a ConstructionPopulator that uses a data column sidecar as the source of data
+	// SidecarReconstructionSource is a ConstructionPopulator that uses a data column sidecar as the source of data
 	SidecarReconstructionSource struct {
 		blocks.VerifiedRODataColumn
 	}
 
+	// EnvelopeReconstructionSource is a ConstructionPopulator for GLOAS+ where
+	// blob KZG commitments are in the execution payload envelope rather than the
+	// block body. It uses the block for the header and root, but overrides
+	// commitments with those from the envelope.
+	EnvelopeReconstructionSource struct {
+		blocks.ROBlock
+		commitments [][]byte
+	}
+
 	blockInfo struct {
 		signedBlockHeader *ethpb.SignedBeaconBlockHeader
 		kzgCommitments    [][]byte
@@ -71,6 +82,13 @@ func PopulateFromSidecar(sidecar blocks.VerifiedRODataColumn) *SidecarReconstruc
 	return &SidecarReconstructionSource{VerifiedRODataColumn: sidecar}
 }
 
+// PopulateFromEnvelope creates an EnvelopeReconstructionSource from a block and
+// the KZG commitments from the execution payload envelope. This is used for GLOAS+
+// where commitments are in the envelope rather than the block body.
+func PopulateFromEnvelope(block blocks.ROBlock, commitments [][]byte) *EnvelopeReconstructionSource {
+	return &EnvelopeReconstructionSource{ROBlock: block, commitments: commitments}
+}
+
 // ValidatorsCustodyRequirement returns the number of custody groups regarding the validator indices attached to the beacon node.
 // https://github.com/ethereum/consensus-specs/blob/master/specs/fulu/validator.md#validator-custody
 func ValidatorsCustodyRequirement(state beaconState.ReadOnlyBeaconState, validatorsIndex map[primitives.ValidatorIndex]bool) (uint64, error) {
@@ -254,3 +272,46 @@ func (s *SidecarReconstructionSource) extract() (*blockInfo, error) {
 
 	return info, nil
 }
+
+// Slot returns the slot of the source
+func (s *EnvelopeReconstructionSource) Slot() primitives.Slot {
+	return s.Block().Slot()
+}
+
+// ProposerIndex returns the proposer index of the source
+func (s *EnvelopeReconstructionSource) ProposerIndex() primitives.ValidatorIndex {
+	return s.Block().ProposerIndex()
+}
+
+// Commitments returns the blob KZG commitments from the envelope.
+func (s *EnvelopeReconstructionSource) Commitments() ([][]byte, error) {
+	return s.commitments, nil
+}
+
+// Type returns the type of the source
+func (s *EnvelopeReconstructionSource) Type() string {
+	return EnvelopeType
+}
+
+// extract extracts the block information from the source, using commitments
+// from the envelope rather than the block body.
+func (s *EnvelopeReconstructionSource) extract() (*blockInfo, error) {
+	header, err := s.Header()
+	if err != nil {
+		return nil, errors.Wrap(err, "header")
+	}
+
+	// TODO: Implement proper merkle proof for envelope commitments.
+	// In GLOAS, commitments are in the envelope not the block body,
+	// so the inclusion proof structure differs from pre-GLOAS forks.
+	inclusionProof := make([][]byte, 4)
+	for i := range inclusionProof {
+		inclusionProof[i] = make([]byte, 32)
+	}
+
+	return &blockInfo{
+		signedBlockHeader: header,
+		kzgCommitments:    s.commitments,
+		kzgInclusionProof: inclusionProof,
+	}, nil
+}

beacon-chain/core/transition/transition.go

@@ -143,10 +143,11 @@ func ProcessSlot(ctx context.Context, state state.BeaconState) (state.BeaconStat
 		return nil, err
 	}
 
-	// Spec v1.6.1 (pseudocode):
+	// <spec fn="process_slot" fork="gloas" lines="11-13" hash="62b28839">
 	// # [New in Gloas:EIP7732]
 	// # Unset the next payload availability
 	// state.execution_payload_availability[(state.slot + 1) % SLOTS_PER_HISTORICAL_ROOT] = 0b0
+	// </spec>
 	if state.Version() >= version.Gloas {
 		index := uint64((state.Slot() + 1) % params.BeaconConfig().SlotsPerHistoricalRoot)
 		if err := state.UpdateExecutionPayloadAvailabilityAtIndex(index, 0x0); err != nil {

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

@@ -6,7 +6,6 @@ go_library(
         "doc.go",
         "errors.go",
         "forkchoice.go",
-        "last_root.go",
         "log.go",
         "metrics.go",
         "node.go",
@@ -51,7 +50,6 @@ go_test(
     srcs = [
         "ffg_update_test.go",
         "forkchoice_test.go",
-        "last_root_test.go",
         "no_vote_test.go",
         "node_test.go",
         "on_tick_test.go",

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

@@ -32,7 +32,6 @@ func New() *ForkChoice {
 		finalizedCheckpoint:           &forkchoicetypes.Checkpoint{},
 		proposerBoostRoot:             [32]byte{},
 		nodeByRoot:                    make(map[[fieldparams.RootLength]byte]*Node),
-		nodeByPayload:                 make(map[[fieldparams.RootLength]byte]*Node),
 		slashedIndices:                make(map[primitives.ValidatorIndex]bool),
 		receivedBlocksLastEpoch:       [fieldparams.SlotsPerEpoch]primitives.Slot{},
 	}

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

@@ -1,26 +0,0 @@
-package doublylinkedtree
-
-import (
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-)
-
-// LastRoot returns the last canonical block root in the given epoch
-func (f *ForkChoice) LastRoot(epoch primitives.Epoch) [32]byte {
-	head := f.store.headNode
-	headEpoch := slots.ToEpoch(head.slot)
-	epochEnd, err := slots.EpochEnd(epoch)
-	if err != nil {
-		return [32]byte{}
-	}
-	if headEpoch <= epoch {
-		return head.root
-	}
-	for head != nil && head.slot > epochEnd {
-		head = head.parent
-	}
-	if head == nil {
-		return [32]byte{}
-	}
-	return head.root
-}

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

@@ -1,38 +0,0 @@
-package doublylinkedtree
-
-import (
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func TestLastRoot(t *testing.T) {
-	f := setup(0, 0)
-	ctx := t.Context()
-
-	st, root, err := prepareForkchoiceState(ctx, 1, [32]byte{'1'}, params.BeaconConfig().ZeroHash, [32]byte{'1'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	st, root, err = prepareForkchoiceState(ctx, 2, [32]byte{'2'}, [32]byte{'1'}, [32]byte{'2'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	st, root, err = prepareForkchoiceState(ctx, 3, [32]byte{'3'}, [32]byte{'1'}, [32]byte{'3'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	st, root, err = prepareForkchoiceState(ctx, 32, [32]byte{'4'}, [32]byte{'3'}, [32]byte{'4'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	st, root, err = prepareForkchoiceState(ctx, 33, [32]byte{'5'}, [32]byte{'2'}, [32]byte{'5'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	st, root, err = prepareForkchoiceState(ctx, 34, [32]byte{'6'}, [32]byte{'5'}, [32]byte{'6'}, 0, 0)
-	require.NoError(t, err)
-	require.NoError(t, f.InsertNode(ctx, st, root))
-	headNode := f.store.nodeByRoot[[32]byte{'6'}]
-	f.store.headNode = headNode
-	require.Equal(t, [32]byte{'6'}, f.store.headNode.root)
-	require.Equal(t, [32]byte{'2'}, f.LastRoot(0))
-	require.Equal(t, [32]byte{'6'}, f.LastRoot(1))
-	require.Equal(t, [32]byte{'6'}, f.LastRoot(2))
-}

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

@@ -94,6 +94,5 @@ func (s *Store) removeNodeAndChildren(ctx context.Context, node *Node, invalidRo
 		s.previousProposerBoostScore = 0
 	}
 	delete(s.nodeByRoot, node.root)
-	delete(s.nodeByPayload, node.payloadHash)
 	return invalidRoots, nil
 }

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

@@ -113,7 +113,6 @@ func (s *Store) insert(ctx context.Context,
 		}
 	}
 
-	s.nodeByPayload[payloadHash] = n
 	s.nodeByRoot[root] = n
 	if parent == nil {
 		if s.treeRootNode == nil {
@@ -122,7 +121,6 @@ func (s *Store) insert(ctx context.Context,
 			s.highestReceivedNode = n
 		} else {
 			delete(s.nodeByRoot, root)
-			delete(s.nodeByPayload, payloadHash)
 			return nil, errInvalidParentRoot
 		}
 	} else {
@@ -191,7 +189,6 @@ func (s *Store) pruneFinalizedNodeByRootMap(ctx context.Context, node, finalized
 
 	node.children = nil
 	delete(s.nodeByRoot, node.root)
-	delete(s.nodeByPayload, node.payloadHash)
 	return nil
 }
 
@@ -273,21 +270,6 @@ func (f *ForkChoice) HighestReceivedBlockSlot() primitives.Slot {
 	return f.store.highestReceivedNode.slot
 }
 
-// HighestReceivedBlockDelay returns the number of slots that the highest
-// received block was late when receiving it. For example, a block was late by 12 slots,
-// then this method is expected to return 12.
-func (f *ForkChoice) HighestReceivedBlockDelay() primitives.Slot {
-	n := f.store.highestReceivedNode
-	if n == nil {
-		return 0
-	}
-	sss, err := slots.SinceSlotStart(n.slot, f.store.genesisTime, n.timestamp)
-	if err != nil {
-		return 0
-	}
-	return primitives.Slot(uint64(sss/time.Second) / params.BeaconConfig().SecondsPerSlot)
-}
-
 // ReceivedBlocksLastEpoch returns the number of blocks received in the last epoch
 func (f *ForkChoice) ReceivedBlocksLastEpoch() (uint64, error) {
 	count := uint64(0)

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

@@ -128,10 +128,9 @@ func TestStore_Insert(t *testing.T) {
 	// The new node does not have a parent.
 	treeRootNode := &Node{slot: 0, root: indexToHash(0)}
 	nodeByRoot := map[[32]byte]*Node{indexToHash(0): treeRootNode}
-	nodeByPayload := map[[32]byte]*Node{indexToHash(0): treeRootNode}
 	jc := &forkchoicetypes.Checkpoint{Epoch: 0}
 	fc := &forkchoicetypes.Checkpoint{Epoch: 0}
-	s := &Store{nodeByRoot: nodeByRoot, treeRootNode: treeRootNode, nodeByPayload: nodeByPayload, justifiedCheckpoint: jc, finalizedCheckpoint: fc, highestReceivedNode: &Node{}}
+	s := &Store{nodeByRoot: nodeByRoot, treeRootNode: treeRootNode, justifiedCheckpoint: jc, finalizedCheckpoint: fc, highestReceivedNode: &Node{}}
 	payloadHash := [32]byte{'a'}
 	ctx := t.Context()
 	_, blk, err := prepareForkchoiceState(ctx, 100, indexToHash(100), indexToHash(0), payloadHash, 1, 1)
@@ -238,7 +237,6 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 	s.finalizedCheckpoint.Root = indexToHash(1)
 	require.NoError(t, s.prune(t.Context()))
 	require.Equal(t, len(s.nodeByRoot), 1)
-	require.Equal(t, len(s.nodeByPayload), 1)
 }
 
 // This test starts with the following branching diagram
@@ -319,8 +317,6 @@ func TestStore_PruneMapsNodes(t *testing.T) {
 	s.finalizedCheckpoint.Root = indexToHash(1)
 	require.NoError(t, s.prune(t.Context()))
 	require.Equal(t, len(s.nodeByRoot), 1)
-	require.Equal(t, len(s.nodeByPayload), 1)
-
 }
 
 func TestForkChoice_ReceivedBlocksLastEpoch(t *testing.T) {
@@ -339,7 +335,6 @@ func TestForkChoice_ReceivedBlocksLastEpoch(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, uint64(1), count)
 	require.Equal(t, primitives.Slot(1), f.HighestReceivedBlockSlot())
-	require.Equal(t, primitives.Slot(0), f.HighestReceivedBlockDelay())
 
 	// 64
 	// Received block last epoch is 1
@@ -352,7 +347,6 @@ func TestForkChoice_ReceivedBlocksLastEpoch(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, uint64(1), count)
 	require.Equal(t, primitives.Slot(64), f.HighestReceivedBlockSlot())
-	require.Equal(t, primitives.Slot(0), f.HighestReceivedBlockDelay())
 
 	// 64 65
 	// Received block last epoch is 2
@@ -365,7 +359,6 @@ func TestForkChoice_ReceivedBlocksLastEpoch(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, uint64(2), count)
 	require.Equal(t, primitives.Slot(65), f.HighestReceivedBlockSlot())
-	require.Equal(t, primitives.Slot(1), f.HighestReceivedBlockDelay())
 
 	// 64 65 66
 	// Received block last epoch is 3
@@ -717,17 +710,3 @@ func TestStore_CleanupInserting(t *testing.T) {
 	require.NotNil(t, f.InsertNode(ctx, st, blk))
 	require.Equal(t, false, f.HasNode(blk.Root()))
 }
-
-func TestStore_HighestReceivedBlockDelay(t *testing.T) {
-	f := ForkChoice{
-		store: &Store{
-			genesisTime: time.Unix(0, 0),
-			highestReceivedNode: &Node{
-				slot:      10,
-				timestamp: time.Unix(int64(((10 + 12) * params.BeaconConfig().SecondsPerSlot)), 0), // 12 slots late
-			},
-		},
-	}
-
-	require.Equal(t, primitives.Slot(12), f.HighestReceivedBlockDelay())
-}

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

@@ -36,7 +36,6 @@ type Store struct {
 	treeRootNode                  *Node                                  // the root node of the store tree.
 	headNode                      *Node                                  // last head Node
 	nodeByRoot                    map[[fieldparams.RootLength]byte]*Node // nodes indexed by roots.
-	nodeByPayload                 map[[fieldparams.RootLength]byte]*Node // nodes indexed by payload Hash
 	slashedIndices                map[primitives.ValidatorIndex]bool     // the list of equivocating validator indices
 	originRoot                    [fieldparams.RootLength]byte           // The genesis block root
 	genesisTime                   time.Time

beacon-chain/forkchoice/interfaces.go

@@ -67,13 +67,11 @@ type FastGetter interface {
 	HasNode([32]byte) bool
 	HighestReceivedBlockSlot() primitives.Slot
 	HighestReceivedBlockRoot() [32]byte
-	HighestReceivedBlockDelay() primitives.Slot
 	IsCanonical(root [32]byte) bool
 	IsOptimistic(root [32]byte) (bool, error)
 	IsViableForCheckpoint(*forkchoicetypes.Checkpoint) (bool, error)
 	JustifiedCheckpoint() *forkchoicetypes.Checkpoint
 	JustifiedPayloadBlockHash() [32]byte
-	LastRoot(primitives.Epoch) [32]byte
 	NodeCount() int
 	PreviousJustifiedCheckpoint() *forkchoicetypes.Checkpoint
 	ProposerBoost() [fieldparams.RootLength]byte

beacon-chain/forkchoice/ro.go

@@ -121,13 +121,6 @@ func (ro *ROForkChoice) HighestReceivedBlockRoot() [32]byte {
 	return ro.getter.HighestReceivedBlockRoot()
 }
 
-// HighestReceivedBlockDelay delegates to the underlying forkchoice call, under a lock.
-func (ro *ROForkChoice) HighestReceivedBlockDelay() primitives.Slot {
-	ro.l.RLock()
-	defer ro.l.RUnlock()
-	return ro.getter.HighestReceivedBlockDelay()
-}
-
 // ReceivedBlocksLastEpoch delegates to the underlying forkchoice call, under a lock.
 func (ro *ROForkChoice) ReceivedBlocksLastEpoch() (uint64, error) {
 	ro.l.RLock()
@@ -163,13 +156,6 @@ func (ro *ROForkChoice) Slot(root [32]byte) (primitives.Slot, error) {
 	return ro.getter.Slot(root)
 }
 
-// LastRoot delegates to the underlying forkchoice call, under a lock.
-func (ro *ROForkChoice) LastRoot(e primitives.Epoch) [32]byte {
-	ro.l.RLock()
-	defer ro.l.RUnlock()
-	return ro.getter.LastRoot(e)
-}
-
 // DependentRoot delegates to the underlying forkchoice call, under a lock.
 func (ro *ROForkChoice) DependentRoot(epoch primitives.Epoch) ([32]byte, error) {
 	ro.l.RLock()

beacon-chain/forkchoice/ro_test.go

@@ -30,7 +30,6 @@ const (
 	nodeCountCalled
 	highestReceivedBlockSlotCalled
 	highestReceivedBlockRootCalled
-	highestReceivedBlockDelayCalled
 	receivedBlocksLastEpochCalled
 	weightCalled
 	isOptimisticCalled
@@ -118,11 +117,6 @@ func TestROLocking(t *testing.T) {
 			call: highestReceivedBlockSlotCalled,
 			cb:   func(g FastGetter) { g.HighestReceivedBlockSlot() },
 		},
-		{
-			name: "highestReceivedBlockDelayCalled",
-			call: highestReceivedBlockDelayCalled,
-			cb:   func(g FastGetter) { g.HighestReceivedBlockDelay() },
-		},
 		{
 			name: "receivedBlocksLastEpochCalled",
 			call: receivedBlocksLastEpochCalled,
@@ -148,11 +142,6 @@ func TestROLocking(t *testing.T) {
 			call: slotCalled,
 			cb:   func(g FastGetter) { _, err := g.Slot([32]byte{}); _discard(t, err) },
 		},
-		{
-			name: "lastRootCalled",
-			call: lastRootCalled,
-			cb:   func(g FastGetter) { g.LastRoot(0) },
-		},
 		{
 			name: "targetRootForEpochCalled",
 			call: targetRootForEpochCalled,
@@ -265,11 +254,6 @@ func (ro *mockROForkchoice) HighestReceivedBlockRoot() [32]byte {
 	return [32]byte{}
 }
 
-func (ro *mockROForkchoice) HighestReceivedBlockDelay() primitives.Slot {
-	ro.calls = append(ro.calls, highestReceivedBlockDelayCalled)
-	return 0
-}
-
 func (ro *mockROForkchoice) ReceivedBlocksLastEpoch() (uint64, error) {
 	ro.calls = append(ro.calls, receivedBlocksLastEpochCalled)
 	return 0, nil
@@ -295,11 +279,6 @@ func (ro *mockROForkchoice) Slot(_ [32]byte) (primitives.Slot, error) {
 	return 0, nil
 }
 
-func (ro *mockROForkchoice) LastRoot(_ primitives.Epoch) [32]byte {
-	ro.calls = append(ro.calls, lastRootCalled)
-	return [32]byte{}
-}
-
 // DependentRoot impoements FastGetter.
 func (ro *mockROForkchoice) DependentRoot(_ primitives.Epoch) ([32]byte, error) {
 	ro.calls = append(ro.calls, dependentRootCalled)

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

@@ -5,6 +5,7 @@ go_library(
     srcs = [
         "handlers.go",
         "handlers_block.go",
+        "handlers_gloas.go",
         "log.go",
         "server.go",
     ],

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

@@ -0,0 +1,276 @@
+package validator
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/OffchainLabs/prysm/v7/api/server/structs"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/rpc/eth/shared"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
+	"github.com/OffchainLabs/prysm/v7/network/httputil"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/runtime/version"
+	"github.com/pkg/errors"
+	"google.golang.org/protobuf/types/known/wrapperspb"
+)
+
+// ProduceBlockV4 requests a beacon node to produce a valid GLOAS block.
+// This is the GLOAS-specific block production endpoint that returns a block
+// containing a signed execution payload bid instead of the full payload.
+//
+// The execution payload envelope is cached by the beacon node and can be
+// retrieved via GetExecutionPayloadEnvelope.
+//
+// Endpoint: GET /eth/v4/validator/blocks/{slot}
+func (s *Server) ProduceBlockV4(w http.ResponseWriter, r *http.Request) {
+	_, span := trace.StartSpan(r.Context(), "validator.ProduceBlockV4")
+	defer span.End()
+
+	if shared.IsSyncing(r.Context(), w, s.SyncChecker, s.HeadFetcher, s.TimeFetcher, s.OptimisticModeFetcher) {
+		return
+	}
+
+	// Parse path parameters
+	segments := strings.Split(r.URL.Path, "/")
+	rawSlot := segments[len(segments)-1]
+
+	slot, valid := shared.ValidateUint(w, "slot", rawSlot)
+	if !valid {
+		return
+	}
+
+	// Parse query parameters
+	rawRandaoReveal := r.URL.Query().Get("randao_reveal")
+	rawGraffiti := r.URL.Query().Get("graffiti")
+	rawSkipRandaoVerification := r.URL.Query().Get("skip_randao_verification")
+
+	var bbFactor *wrapperspb.UInt64Value
+	rawBbFactor, bbValue, ok := shared.UintFromQuery(w, r, "builder_boost_factor", false)
+	if !ok {
+		return
+	}
+	if rawBbFactor != "" {
+		bbFactor = &wrapperspb.UInt64Value{Value: bbValue}
+	}
+
+	// Parse randao reveal
+	var randaoReveal []byte
+	if rawSkipRandaoVerification == "true" {
+		// TODO: Use infinite signature constant
+		randaoReveal = make([]byte, 96)
+	} else {
+		// TODO: Decode randao reveal from hex
+		_ = rawRandaoReveal
+	}
+
+	// Parse graffiti
+	var graffiti []byte
+	if rawGraffiti != "" {
+		// TODO: Decode graffiti from hex
+	}
+
+	// TODO: Implement GLOAS-specific block production
+	//
+	// This handler should:
+	// 1. Verify the slot is in the GLOAS fork
+	// 2. Call v1alpha1 server's getGloasBeaconBlock
+	// 3. Format response with GLOAS-specific headers
+	// 4. Return the block (the envelope is cached server-side)
+
+	_ = bbFactor
+	_ = graffiti
+	_ = randaoReveal
+	_ = slot
+
+	httputil.HandleError(w, "ProduceBlockV4 not yet implemented", http.StatusNotImplemented)
+}
+
+// handleProduceGloasV4 handles the response formatting for GLOAS blocks.
+func handleProduceGloasV4(w http.ResponseWriter, isSSZ bool, block *eth.BeaconBlockGloas, payloadValue, consensusBlockValue string) {
+	// TODO: Implement GLOAS response handling
+	//
+	// Similar to handleProduceFuluV3 but for GLOAS blocks.
+	// The response should NOT include the execution payload envelope,
+	// as that is retrieved separately.
+
+	if isSSZ {
+		// TODO: SSZ serialize the GLOAS block
+		httputil.HandleError(w, "SSZ response not yet implemented for GLOAS", http.StatusNotImplemented)
+		return
+	}
+
+	// JSON response
+	// TODO: Convert GLOAS block to JSON struct
+	resp := &structs.ProduceBlockV3Response{
+		Version:                 version.String(version.Gloas),
+		ExecutionPayloadBlinded: false, // GLOAS blocks don't have blinded concept in same way
+		ExecutionPayloadValue:   payloadValue,
+		ConsensusBlockValue:     consensusBlockValue,
+		Data:                    nil, // TODO: Marshal block to JSON
+	}
+
+	httputil.WriteJson(w, resp)
+}
+
+// GetExecutionPayloadEnvelope retrieves a cached execution payload envelope.
+// Validators call this after receiving a GLOAS block to get the envelope
+// they need to sign and broadcast.
+//
+// Endpoint: GET /eth/v1/validator/execution_payload_envelope/{slot}/{builder_index}
+func (s *Server) GetExecutionPayloadEnvelope(w http.ResponseWriter, r *http.Request) {
+	ctx, span := trace.StartSpan(r.Context(), "validator.ExecutionPayloadEnvelope")
+	defer span.End()
+
+	// Parse path parameters
+	segments := strings.Split(r.URL.Path, "/")
+	if len(segments) < 2 {
+		httputil.HandleError(w, "missing slot and builder_index in path", http.StatusBadRequest)
+		return
+	}
+
+	rawSlot := segments[len(segments)-2]
+	rawBuilderIndex := segments[len(segments)-1]
+
+	slot, valid := shared.ValidateUint(w, "slot", rawSlot)
+	if !valid {
+		return
+	}
+
+	builderIndex, err := strconv.ParseUint(rawBuilderIndex, 10, 64)
+	if err != nil {
+		httputil.HandleError(w, errors.Wrap(err, "invalid builder_index").Error(), http.StatusBadRequest)
+		return
+	}
+
+	// Build gRPC request
+	req := &eth.ExecutionPayloadEnvelopeRequest{
+		Slot:         primitives.Slot(slot),
+		BuilderIndex: primitives.BuilderIndex(builderIndex),
+	}
+
+	// TODO: The V1Alpha1Server needs to implement the ExecutionPayloadEnvelope method
+	// from the BeaconNodeValidatorServer interface. Currently it's defined but the
+	// interface may need updating to include this method.
+	//
+	// Once implemented, uncomment:
+	// resp, err := s.V1Alpha1Server.ExecutionPayloadEnvelope(ctx, req)
+	// if err != nil {
+	//     // Map gRPC error codes to HTTP status codes
+	//     if status.Code(err) == codes.NotFound {
+	//         httputil.HandleError(w, err.Error(), http.StatusNotFound)
+	//     } else {
+	//         httputil.HandleError(w, err.Error(), http.StatusInternalServerError)
+	//     }
+	//     return
+	// }
+	//
+	// // Format and return response
+	// // - Support both JSON and SSZ based on Accept header
+	// // - Set version header
+	// w.Header().Set(api.VersionHeader, version.String(version.Gloas))
+	// httputil.WriteJson(w, &structs.GetExecutionPayloadEnvelopeResponse{
+	//     Version: version.String(version.Gloas),
+	//     Data:    envelopeProtoToJSON(resp.Envelope),
+	// })
+
+	_ = ctx
+	_ = req
+
+	httputil.HandleError(w, "ExecutionPayloadEnvelope not yet implemented", http.StatusNotImplemented)
+}
+
+// PublishExecutionPayloadEnvelope broadcasts a signed execution payload envelope.
+// Validators call this after signing the envelope to broadcast it to the network.
+//
+// Endpoint: POST /eth/v1/beacon/execution_payload_envelope
+func (s *Server) PublishExecutionPayloadEnvelope(w http.ResponseWriter, r *http.Request) {
+	ctx, span := trace.StartSpan(r.Context(), "validator.PublishExecutionPayloadEnvelope")
+	defer span.End()
+
+	// Parse request body
+	var signedEnvelope structs.SignedExecutionPayloadEnvelope
+	if err := json.NewDecoder(r.Body).Decode(&signedEnvelope); err != nil {
+		httputil.HandleError(w, errors.Wrap(err, "failed to decode request body").Error(), http.StatusBadRequest)
+		return
+	}
+
+	// TODO: Convert JSON struct to proto
+	// protoEnvelope, err := signedEnvelope.ToProto()
+	// if err != nil {
+	//     httputil.HandleError(w, err.Error(), http.StatusBadRequest)
+	//     return
+	// }
+
+	// TODO: Call gRPC server
+	// _, err = s.V1Alpha1Server.PublishExecutionPayloadEnvelope(ctx, protoEnvelope)
+	// if err != nil {
+	//     // Handle different error types (validation errors vs internal errors)
+	//     httputil.HandleError(w, err.Error(), http.StatusBadRequest)
+	//     return
+	// }
+
+	_ = ctx
+	_ = signedEnvelope
+
+	httputil.HandleError(w, "PublishExecutionPayloadEnvelope not yet implemented", http.StatusNotImplemented)
+}
+
+// ExecutionPayloadEnvelopeJSON represents the JSON structure for an execution payload envelope.
+// This is used for REST API serialization.
+type ExecutionPayloadEnvelopeJSON struct {
+	Payload            json.RawMessage `json:"payload"`
+	ExecutionRequests  json.RawMessage `json:"execution_requests"`
+	BuilderIndex       string          `json:"builder_index"`
+	BeaconBlockRoot    string          `json:"beacon_block_root"`
+	Slot               string          `json:"slot"`
+	BlobKzgCommitments []string        `json:"blob_kzg_commitments"`
+	StateRoot          string          `json:"state_root"`
+}
+
+// SignedExecutionPayloadEnvelopeJSON represents the JSON structure for a signed envelope.
+type SignedExecutionPayloadEnvelopeJSON struct {
+	Message   *ExecutionPayloadEnvelopeJSON `json:"message"`
+	Signature string                        `json:"signature"`
+}
+
+// ExecutionPayloadEnvelopeResponseJSON is the response wrapper for envelope retrieval.
+type ExecutionPayloadEnvelopeResponseJSON struct {
+	Version string                        `json:"version"`
+	Data    *ExecutionPayloadEnvelopeJSON `json:"data"`
+}
+
+// envelopeProtoToJSON converts a proto envelope to JSON representation.
+func envelopeProtoToJSON(envelope *eth.ExecutionPayloadEnvelope) (*ExecutionPayloadEnvelopeJSON, error) {
+	// TODO: Implement conversion
+	//
+	// Convert each field:
+	// - payload: Marshal ExecutionPayloadDeneb to JSON
+	// - execution_requests: Marshal to JSON
+	// - builder_index: Convert uint64 to string
+	// - beacon_block_root: Hex encode
+	// - slot: Convert uint64 to string
+	// - blob_kzg_commitments: Hex encode each
+	// - state_root: Hex encode
+
+	return nil, fmt.Errorf("envelopeProtoToJSON not yet implemented")
+}
+
+// envelopeJSONToProto converts a JSON envelope to proto representation.
+func envelopeJSONToProto(envelope *ExecutionPayloadEnvelopeJSON) (*eth.ExecutionPayloadEnvelope, error) {
+	// TODO: Implement conversion
+	//
+	// Parse each field:
+	// - payload: Unmarshal from JSON
+	// - execution_requests: Unmarshal from JSON
+	// - builder_index: Parse uint64 from string
+	// - beacon_block_root: Hex decode
+	// - slot: Parse uint64 from string
+	// - blob_kzg_commitments: Hex decode each
+	// - state_root: Hex decode
+
+	return nil, fmt.Errorf("envelopeJSONToProto not yet implemented")
+}

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

@@ -19,23 +19,24 @@ import (
 // Server defines a server implementation of the gRPC Validator service,
 // providing RPC endpoints intended for validator clients.
 type Server struct {
-	HeadFetcher            blockchain.HeadFetcher
-	TimeFetcher            blockchain.TimeFetcher
-	SyncChecker            sync.Checker
-	AttestationCache       *cache.AttestationCache
-	AttestationsPool       attestations.Pool
-	PeerManager            p2p.PeerManager
-	Broadcaster            p2p.Broadcaster
-	Stater                 lookup.Stater
-	OptimisticModeFetcher  blockchain.OptimisticModeFetcher
-	SyncCommitteePool      synccommittee.Pool
-	V1Alpha1Server         eth.BeaconNodeValidatorServer
-	ChainInfoFetcher       blockchain.ChainInfoFetcher
-	BeaconDB               db.HeadAccessDatabase
-	BlockBuilder           builder.BlockBuilder
-	OperationNotifier      operation.Notifier
-	CoreService            *core.Service
-	BlockRewardFetcher     rewards.BlockRewardsFetcher
-	TrackedValidatorsCache *cache.TrackedValidatorsCache
-	PayloadIDCache         *cache.PayloadIDCache
+	HeadFetcher                   blockchain.HeadFetcher
+	TimeFetcher                   blockchain.TimeFetcher
+	SyncChecker                   sync.Checker
+	AttestationCache              *cache.AttestationCache
+	AttestationsPool              attestations.Pool
+	PeerManager                   p2p.PeerManager
+	Broadcaster                   p2p.Broadcaster
+	Stater                        lookup.Stater
+	OptimisticModeFetcher         blockchain.OptimisticModeFetcher
+	SyncCommitteePool             synccommittee.Pool
+	V1Alpha1Server                eth.BeaconNodeValidatorServer
+	ChainInfoFetcher              blockchain.ChainInfoFetcher
+	BeaconDB                      db.HeadAccessDatabase
+	BlockBuilder                  builder.BlockBuilder
+	OperationNotifier             operation.Notifier
+	CoreService                   *core.Service
+	BlockRewardFetcher            rewards.BlockRewardsFetcher
+	TrackedValidatorsCache        *cache.TrackedValidatorsCache
+	PayloadIDCache                *cache.PayloadIDCache
+	ExecutionPayloadEnvelopeCache *cache.ExecutionPayloadEnvelopeCache // GLOAS: Cache for execution payload envelopes
 }

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

@@ -26,6 +26,7 @@ go_library(
         "proposer_eth1data.go",
         "proposer_execution_payload.go",
         "proposer_exits.go",
+        "proposer_gloas.go",
         "proposer_slashings.go",
         "proposer_sync_aggregate.go",
         "server.go",

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

@@ -57,6 +57,8 @@ func (vs *Server) constructGenericBeaconBlock(
 			return nil, fmt.Errorf("expected *BlobsBundleV2, got %T", blobsBundler)
 		}
 		return vs.constructFuluBlock(blockProto, isBlinded, bidStr, bundle), nil
+	case version.Gloas:
+		return vs.constructGloasBlock(blockProto), nil
 	default:
 		return nil, fmt.Errorf("unknown block version: %d", sBlk.Version())
 	}
@@ -109,6 +111,13 @@ func (vs *Server) constructElectraBlock(blockProto proto.Message, isBlinded bool
 	return &ethpb.GenericBeaconBlock{Block: &ethpb.GenericBeaconBlock_Electra{Electra: electraContents}, IsBlinded: false, PayloadValue: payloadValue}
 }
 
+func (vs *Server) constructGloasBlock(blockProto proto.Message) *ethpb.GenericBeaconBlock {
+	// GLOAS blocks do not carry a separate payload value — the bid is part of the block body.
+	return &ethpb.GenericBeaconBlock{
+		Block: &ethpb.GenericBeaconBlock_Gloas{Gloas: blockProto.(*ethpb.BeaconBlockGloas)},
+	}
+}
+
 func (vs *Server) constructFuluBlock(blockProto proto.Message, isBlinded bool, payloadValue string, bundle *enginev1.BlobsBundleV2) *ethpb.GenericBeaconBlock {
 	if isBlinded {
 		return &ethpb.GenericBeaconBlock{Block: &ethpb.GenericBeaconBlock_BlindedFulu{BlindedFulu: blockProto.(*ethpb.BlindedBeaconBlockFulu)}, IsBlinded: true, PayloadValue: payloadValue}

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

@@ -231,6 +231,13 @@ func (vs *Server) BuildBlockParallel(ctx context.Context, sBlk interfaces.Signed
 
 		// Set bls to execution change. New in Capella.
 		vs.setBlsToExecData(sBlk, head)
+
+		// Set payload attestations. New in GLOAS.
+		if sBlk.Version() >= version.Gloas {
+			if err := sBlk.SetPayloadAttestations(vs.getPayloadAttestations(ctx, head, sBlk.Block().Slot())); err != nil {
+				log.WithError(err).Error("Could not set payload attestations")
+			}
+		}
 	})
 
 	winningBid := primitives.ZeroWei()
@@ -241,24 +248,31 @@ func (vs *Server) BuildBlockParallel(ctx context.Context, sBlk interfaces.Signed
 			return nil, status.Errorf(codes.Internal, "Could not get local payload: %v", err)
 		}
 
-		// There's no reason to try to get a builder bid if local override is true.
-		var builderBid builderapi.Bid
-		if !(local.OverrideBuilder || skipMevBoost) {
-			latestHeader, err := head.LatestExecutionPayloadHeader()
-			if err != nil {
-				return nil, status.Errorf(codes.Internal, "Could not get latest execution payload header: %v", err)
+		switch {
+		case sBlk.Version() >= version.Gloas:
+			if err := vs.setGloasExecutionData(ctx, sBlk, local); err != nil {
+				return nil, status.Errorf(codes.Internal, "Could not set GLOAS execution data: %v", err)
 			}
-			parentGasLimit := latestHeader.GasLimit()
-			builderBid, err = vs.getBuilderPayloadAndBlobs(ctx, sBlk.Block().Slot(), sBlk.Block().ProposerIndex(), parentGasLimit)
-			if err != nil {
-				builderGetPayloadMissCount.Inc()
-				log.WithError(err).Error("Could not get builder payload")
+		default:
+			// There's no reason to try to get a builder bid if local override is true.
+			var builderBid builderapi.Bid
+			if !(local.OverrideBuilder || skipMevBoost) {
+				latestHeader, err := head.LatestExecutionPayloadHeader()
+				if err != nil {
+					return nil, status.Errorf(codes.Internal, "Could not get latest execution payload header: %v", err)
+				}
+				parentGasLimit := latestHeader.GasLimit()
+				builderBid, err = vs.getBuilderPayloadAndBlobs(ctx, sBlk.Block().Slot(), sBlk.Block().ProposerIndex(), parentGasLimit)
+				if err != nil {
+					builderGetPayloadMissCount.Inc()
+					log.WithError(err).Error("Could not get builder payload")
+				}
 			}
-		}
 
-		winningBid, bundle, err = setExecutionData(ctx, sBlk, local, builderBid, builderBoostFactor)
-		if err != nil {
-			return nil, status.Errorf(codes.Internal, "Could not set execution data: %v", err)
+			winningBid, bundle, err = setExecutionData(ctx, sBlk, local, builderBid, builderBoostFactor)
+			if err != nil {
+				return nil, status.Errorf(codes.Internal, "Could not set execution data: %v", err)
+			}
 		}
 	}
 
@@ -277,11 +291,6 @@ func (vs *Server) BuildBlockParallel(ctx context.Context, sBlk interfaces.Signed
 //
 // ProposeBeaconBlock handles the proposal of beacon blocks.
 func (vs *Server) ProposeBeaconBlock(ctx context.Context, req *ethpb.GenericSignedBeaconBlock) (*ethpb.ProposeResponse, error) {
-	var (
-		blobSidecars       []*ethpb.BlobSidecar
-		dataColumnSidecars []blocks.RODataColumn
-	)
-
 	ctx, span := trace.StartSpan(ctx, "ProposerServer.ProposeBeaconBlock")
 	defer span.End()
 
@@ -298,15 +307,58 @@ func (vs *Server) ProposeBeaconBlock(ctx context.Context, req *ethpb.GenericSign
 		return nil, status.Errorf(codes.Internal, "Could not hash tree root: %v", err)
 	}
 
-	// For post-Fulu blinded blocks, submit to relay and return early
-	if block.IsBlinded() && slots.ToEpoch(block.Block().Slot()) >= params.BeaconConfig().FuluForkEpoch {
-		err := vs.BlockBuilder.SubmitBlindedBlockPostFulu(ctx, block)
-		if err != nil {
-			return nil, status.Errorf(codes.Internal, "Could not submit blinded block post-Fulu: %v", err)
+	if block.Version() < version.Gloas {
+		// For post-Fulu blinded blocks, submit to relay and return early.
+		if block.IsBlinded() && slots.ToEpoch(block.Block().Slot()) >= params.BeaconConfig().FuluForkEpoch {
+			err := vs.BlockBuilder.SubmitBlindedBlockPostFulu(ctx, block)
+			if err != nil {
+				return nil, status.Errorf(codes.Internal, "Could not submit blinded block post-Fulu: %v", err)
+			}
+			return &ethpb.ProposeResponse{BlockRoot: root[:]}, nil
 		}
-		return &ethpb.ProposeResponse{BlockRoot: root[:]}, nil
+		return vs.proposeBlockWithSidecars(ctx, block, root, req)
 	}
 
+	return vs.proposeBlock(ctx, block, root)
+}
+
+// proposeBlock broadcasts and receives a beacon block without sidecars.
+// Used for GLOAS and beyond where execution data is delivered via a separate envelope.
+func (vs *Server) proposeBlock(
+	ctx context.Context,
+	block interfaces.SignedBeaconBlock,
+	root [fieldparams.RootLength]byte,
+) (*ethpb.ProposeResponse, error) {
+	protoBlock, err := block.Proto()
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "Could not convert block to proto: %v", err)
+	}
+	if err := vs.P2P.Broadcast(ctx, protoBlock); err != nil {
+		return nil, status.Errorf(codes.Internal, "Could not broadcast block: %v", err)
+	}
+	vs.BlockNotifier.BlockFeed().Send(&feed.Event{
+		Type: blockfeed.ReceivedBlock,
+		Data: &blockfeed.ReceivedBlockData{SignedBlock: block},
+	})
+	if err := vs.BlockReceiver.ReceiveBlock(ctx, block, root, nil); err != nil {
+		return nil, status.Errorf(codes.Internal, "Could not receive block: %v", err)
+	}
+	return &ethpb.ProposeResponse{BlockRoot: root[:]}, nil
+}
+
+// proposeBlockWithSidecars handles block proposal for forks that carry blob or
+// data column sidecars alongside the block (Bellatrix through Fulu).
+func (vs *Server) proposeBlockWithSidecars(
+	ctx context.Context,
+	block interfaces.SignedBeaconBlock,
+	root [fieldparams.RootLength]byte,
+	req *ethpb.GenericSignedBeaconBlock,
+) (*ethpb.ProposeResponse, error) {
+	var (
+		blobSidecars       []*ethpb.BlobSidecar
+		dataColumnSidecars []blocks.RODataColumn
+	)
+
 	rob, err := blocks.NewROBlockWithRoot(block, root)
 	if block.IsBlinded() {
 		block, blobSidecars, err = vs.handleBlindedBlock(ctx, block)
@@ -410,18 +462,10 @@ func (vs *Server) handleUnblindedBlock(
 	}
 
 	if block.Version() >= version.Fulu {
-		// Compute cells and proofs from the blobs and cell proofs.
-		cellsPerBlob, proofsPerBlob, err := peerdas.ComputeCellsAndProofsFromFlat(rawBlobs, proofs)
+		roDataColumnSidecars, err := buildDataColumnSidecars(rawBlobs, proofs, peerdas.PopulateFromBlock(block))
 		if err != nil {
-			return nil, nil, errors.Wrap(err, "compute cells and proofs")
+			return nil, nil, err
 		}
-
-		// Construct data column sidecars from the signed block and cells and proofs.
-		roDataColumnSidecars, err := peerdas.DataColumnSidecars(cellsPerBlob, proofsPerBlob, peerdas.PopulateFromBlock(block))
-		if err != nil {
-			return nil, nil, errors.Wrap(err, "data column sidcars")
-		}
-
 		return nil, roDataColumnSidecars, nil
 	}
 
@@ -433,6 +477,22 @@ func (vs *Server) handleUnblindedBlock(
 	return blobSidecars, nil, nil
 }
 
+// buildDataColumnSidecars computes cells and proofs from blobs and constructs
+// data column sidecars using the given ConstructionPopulator source.
+func buildDataColumnSidecars(blobs, proofs [][]byte, src peerdas.ConstructionPopulator) ([]blocks.RODataColumn, error) {
+	cellsPerBlob, proofsPerBlob, err := peerdas.ComputeCellsAndProofsFromFlat(blobs, proofs)
+	if err != nil {
+		return nil, errors.Wrap(err, "compute cells and proofs")
+	}
+
+	roDataColumnSidecars, err := peerdas.DataColumnSidecars(cellsPerBlob, proofsPerBlob, src)
+	if err != nil {
+		return nil, errors.Wrap(err, "data column sidecars")
+	}
+
+	return roDataColumnSidecars, nil
+}
+
 // broadcastReceiveBlock broadcasts a block and handles its reception.
 func (vs *Server) broadcastReceiveBlock(ctx context.Context, wg *sync.WaitGroup, block interfaces.SignedBeaconBlock, root [fieldparams.RootLength]byte) error {
 	if err := vs.broadcastBlock(ctx, wg, block, root); err != nil {

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

@@ -16,6 +16,11 @@ func getEmptyBlock(slot primitives.Slot) (interfaces.SignedBeaconBlock, error) {
 	var err error
 	epoch := slots.ToEpoch(slot)
 	switch {
+	case epoch >= params.BeaconConfig().GloasForkEpoch:
+		sBlk, err = blocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockGloas{Block: &ethpb.BeaconBlockGloas{Body: &ethpb.BeaconBlockBodyGloas{}}})
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "Could not initialize block for proposal: %v", err)
+		}
 	case epoch >= params.BeaconConfig().FuluForkEpoch:
 		sBlk, err = blocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockFulu{Block: &ethpb.BeaconBlockElectra{Body: &ethpb.BeaconBlockBodyElectra{}}})
 		if err != nil {

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

@@ -0,0 +1,460 @@
+package validator
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed"
+	blockfeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/block"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/peerdas"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/container/trie"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+// setGloasExecutionData creates an execution payload bid from the local payload,
+// sets it on the block, and caches the execution payload envelope for later
+// retrieval by the validator client.
+func (vs *Server) setGloasExecutionData(
+	ctx context.Context,
+	sBlk interfaces.SignedBeaconBlock,
+	local *consensusblocks.GetPayloadResponse,
+) error {
+	_, span := trace.StartSpan(ctx, "ProposerServer.setGloasExecutionData")
+	defer span.End()
+
+	if local == nil || local.ExecutionData == nil {
+		return errors.New("local execution payload is nil")
+	}
+
+	// Create execution payload bid from the local payload.
+	parentRoot := sBlk.Block().ParentRoot()
+	bid, err := vs.createSelfBuildExecutionPayloadBid(
+		local.ExecutionData,
+		primitives.BuilderIndex(sBlk.Block().ProposerIndex()),
+		parentRoot[:],
+		sBlk.Block().Slot(),
+		local.BlobsBundler,
+	)
+	if err != nil {
+		return errors.Wrap(err, "could not create execution payload bid")
+	}
+
+	// Per spec, self-build bids must use G2 point-at-infinity as the signature.
+	// Only the execution payload envelope requires a real signature from the proposer.
+	signedBid := &ethpb.SignedExecutionPayloadBid{
+		Message:   bid,
+		Signature: common.InfiniteSignature[:],
+	}
+	if err := sBlk.SetSignedExecutionPayloadBid(signedBid); err != nil {
+		return errors.Wrap(err, "could not set signed execution payload bid")
+	}
+
+	// Cache the execution payload envelope and blobs bundle for later retrieval.
+	// The envelope is retrieved by the VC to sign and broadcast.
+	// The blobs bundle is needed during block proposal to build and broadcast blob sidecars.
+	envelope := vs.createExecutionPayloadEnvelope(
+		local.ExecutionData,
+		local.ExecutionRequests,
+		primitives.BuilderIndex(sBlk.Block().ProposerIndex()),
+		sBlk.Block().Slot(),
+		local.BlobsBundler,
+	)
+	vs.cacheExecutionPayloadEnvelope(envelope, local.BlobsBundler)
+
+	return nil
+}
+
+// getPayloadAttestations returns payload attestations for inclusion in a GLOAS block.
+// These attest to the payload timeliness from the previous slot's PTC.
+func (vs *Server) getPayloadAttestations(ctx context.Context, head state.BeaconState, slot primitives.Slot) []*ethpb.PayloadAttestation {
+	// TODO: Implement payload attestation retrieval from pool.
+	// This requires:
+	// 1. A PayloadAttestationPool to collect PTC votes
+	// 2. Aggregation of individual PayloadAttestationMessages into PayloadAttestations
+	// For now, return empty - blocks are valid without payload attestations.
+	return []*ethpb.PayloadAttestation{}
+}
+
+// createSelfBuildExecutionPayloadBid creates an ExecutionPayloadBid for self-building,
+// where the proposer acts as its own builder. Value and payment are zero, and the
+// bid fields are derived directly from the local execution payload.
+func (vs *Server) createSelfBuildExecutionPayloadBid(
+	executionData interfaces.ExecutionData,
+	builderIndex primitives.BuilderIndex,
+	parentBlockRoot []byte,
+	slot primitives.Slot,
+	blobsBundler enginev1.BlobsBundler,
+) (*ethpb.ExecutionPayloadBid, error) {
+	if executionData == nil || executionData.IsNil() {
+		return nil, errors.New("execution data is nil")
+	}
+
+	// Compute blob_kzg_commitments_root from the blobs bundle.
+	// This is hash_tree_root(List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]).
+	kzgCommitmentsRoot := make([]byte, 32)
+	if blobsBundler != nil {
+		commitments := extractKzgCommitments(blobsBundler)
+		if len(commitments) > 0 {
+			leaves := consensusblocks.LeavesFromCommitments(commitments)
+			commitmentsTree, err := trie.GenerateTrieFromItems(leaves, fieldparams.LogMaxBlobCommitments)
+			if err != nil {
+				return nil, errors.Wrap(err, "could not generate kzg commitments trie")
+			}
+			root, err := commitmentsTree.HashTreeRoot()
+			if err != nil {
+				return nil, errors.Wrap(err, "could not compute kzg commitments root")
+			}
+			kzgCommitmentsRoot = root[:]
+		}
+	}
+
+	return &ethpb.ExecutionPayloadBid{
+		ParentBlockHash:        executionData.ParentHash(),
+		ParentBlockRoot:        bytesutil.SafeCopyBytes(parentBlockRoot),
+		BlockHash:              executionData.BlockHash(),
+		PrevRandao:             executionData.PrevRandao(),
+		FeeRecipient:           executionData.FeeRecipient(),
+		GasLimit:               executionData.GasLimit(),
+		BuilderIndex:           builderIndex,
+		Slot:                   slot,
+		Value:                  0,
+		ExecutionPayment:       0,
+		BlobKzgCommitmentsRoot: kzgCommitmentsRoot,
+	}, nil
+}
+
+// createExecutionPayloadEnvelope wraps a full execution payload with metadata.
+// The envelope is cached by the beacon node during block production for later
+// retrieval by the validator via GetExecutionPayloadEnvelope.
+func (vs *Server) createExecutionPayloadEnvelope(
+	executionData interfaces.ExecutionData,
+	executionRequests *enginev1.ExecutionRequests,
+	builderIndex primitives.BuilderIndex,
+	slot primitives.Slot,
+	blobsBundler enginev1.BlobsBundler,
+) *ethpb.ExecutionPayloadEnvelope {
+	// Extract the underlying ExecutionPayloadDeneb proto
+	var payload *enginev1.ExecutionPayloadDeneb
+	if executionData != nil && !executionData.IsNil() {
+		if p, ok := executionData.Proto().(*enginev1.ExecutionPayloadDeneb); ok {
+			payload = p
+		}
+	}
+
+	commitments := extractKzgCommitments(blobsBundler)
+
+	return &ethpb.ExecutionPayloadEnvelope{
+		Payload:            payload,
+		ExecutionRequests:  executionRequests,
+		BuilderIndex:       builderIndex,
+		BeaconBlockRoot:    make([]byte, 32), // Populated later when block root is known
+		Slot:               slot,
+		BlobKzgCommitments: commitments,
+		StateRoot:          make([]byte, 32), // Computed later in GetExecutionPayloadEnvelope
+	}
+}
+
+// extractKzgCommitments pulls KZG commitments from a blobs bundler.
+func extractKzgCommitments(blobsBundler enginev1.BlobsBundler) [][]byte {
+	if blobsBundler == nil {
+		return nil
+	}
+	switch b := blobsBundler.(type) {
+	case *enginev1.BlobsBundle:
+		if b != nil {
+			return b.KzgCommitments
+		}
+	case *enginev1.BlobsBundleV2:
+		if b != nil {
+			return b.KzgCommitments
+		}
+	}
+	return nil
+}
+
+// cacheExecutionPayloadEnvelope stores an envelope and its blobs bundle for later retrieval.
+// The blobs bundle is cached alongside the envelope because blobs from the EL are only
+// held in memory until they are broadcast as sidecars during block proposal.
+func (vs *Server) cacheExecutionPayloadEnvelope(envelope *ethpb.ExecutionPayloadEnvelope, blobsBundle enginev1.BlobsBundler) {
+	if vs.ExecutionPayloadEnvelopeCache == nil {
+		log.Warn("ExecutionPayloadEnvelopeCache is nil, envelope will not be cached")
+		return
+	}
+	vs.ExecutionPayloadEnvelopeCache.Set(envelope, blobsBundle)
+}
+
+// GetExecutionPayloadEnvelope retrieves a cached execution payload envelope.
+// This is called by validators after receiving a GLOAS block to get the envelopeF
+// they need to sign and broadcast.
+//
+// gRPC endpoint: /eth/v1alpha1/validator/execution_payload_envelope/{slot}/{builder_index}
+func (vs *Server) GetExecutionPayloadEnvelope(
+	ctx context.Context,
+	req *ethpb.ExecutionPayloadEnvelopeRequest,
+) (*ethpb.ExecutionPayloadEnvelopeResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "request cannot be nil")
+	}
+
+	if slots.ToEpoch(req.Slot) < params.BeaconConfig().GloasForkEpoch {
+		return nil, status.Errorf(codes.InvalidArgument,
+			"execution payload envelopes are not supported before GLOAS fork (slot %d)", req.Slot)
+	}
+
+	if vs.ExecutionPayloadEnvelopeCache == nil {
+		return nil, status.Error(codes.Internal, "execution payload envelope cache not initialized")
+	}
+
+	envelope, found := vs.ExecutionPayloadEnvelopeCache.Get(req.Slot, req.BuilderIndex)
+	if !found {
+		return nil, status.Errorf(
+			codes.NotFound,
+			"execution payload envelope not found for slot %d builder %d",
+			req.Slot,
+			req.BuilderIndex,
+		)
+	}
+
+	// Compute state root if not already set.
+	// Following the pattern from epbs-interop: compute post-payload state root.
+	if len(envelope.StateRoot) == 0 || bytesutil.ZeroRoot(envelope.StateRoot) {
+		stateRoot, err := vs.computePostPayloadStateRoot(ctx, envelope)
+		if err != nil {
+			log.WithError(err).Warn("Failed to compute post-payload state root")
+		} else {
+			envelope.StateRoot = stateRoot
+			log.WithField("stateRoot", fmt.Sprintf("%#x", stateRoot)).Debug("Computed state root at execution stage")
+		}
+	}
+
+	return &ethpb.ExecutionPayloadEnvelopeResponse{
+		Envelope: envelope,
+	}, nil
+}
+
+// computePostPayloadStateRoot computes the state root after an execution
+// payload envelope has been processed through a state transition.
+func (vs *Server) computePostPayloadStateRoot(ctx context.Context, envelope *ethpb.ExecutionPayloadEnvelope) ([]byte, error) {
+	ctx, span := trace.StartSpan(ctx, "ProposerServer.computePostPayloadStateRoot")
+	defer span.End()
+
+	if len(envelope.BeaconBlockRoot) == 0 || bytesutil.ZeroRoot(envelope.BeaconBlockRoot) {
+		return nil, errors.New("beacon block root not set on envelope")
+	}
+
+	blockRoot := bytesutil.ToBytes32(envelope.BeaconBlockRoot)
+	st, err := vs.StateGen.StateByRoot(ctx, blockRoot)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get state by block root")
+	}
+	if st == nil {
+		return nil, errors.New("nil state for block root")
+	}
+
+	// Copy the state to avoid mutating the original
+	st = st.Copy()
+
+	// TODO: Process the execution payload envelope through state transition.
+	// This requires implementing ProcessPayloadStateTransition in beacon-chain/core/gloas.
+	// For now, use the state root from the beacon block state as a placeholder.
+	// The correct implementation would:
+	// 1. Call ProcessPayloadStateTransition(ctx, st, envelope) to apply payload effects
+	// 2. Compute HashTreeRoot of the resulting state
+
+	root, err := st.HashTreeRoot(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not compute state root")
+	}
+	return root[:], nil
+}
+
+// envelopeBlockWaitTimeout is the maximum time to wait for the associated beacon block
+// before giving up on publishing the execution payload envelope.
+const envelopeBlockWaitTimeout = 4 * time.Second
+
+// envelopeBlockPollInterval is how often to check for the beacon block while waiting.
+const envelopeBlockPollInterval = 100 * time.Millisecond
+
+// PublishExecutionPayloadEnvelope validates and broadcasts a signed execution payload envelope.
+// This is called by validators after signing the envelope retrieved from GetExecutionPayloadEnvelope.
+//
+// The function waits for the associated beacon block to be available before processing,
+// as the envelope references a beacon_block_root that must exist either from local
+// production or P2P gossip.
+//
+// gRPC endpoint: POST /eth/v1alpha1/validator/execution_payload_envelope
+func (vs *Server) PublishExecutionPayloadEnvelope(
+	ctx context.Context,
+	req *ethpb.SignedExecutionPayloadEnvelope,
+) (*emptypb.Empty, error) {
+	if req == nil || req.Message == nil {
+		return nil, status.Error(codes.InvalidArgument, "signed envelope cannot be nil")
+	}
+
+	if slots.ToEpoch(req.Message.Slot) < params.BeaconConfig().GloasForkEpoch {
+		return nil, status.Errorf(codes.InvalidArgument,
+			"execution payload envelopes are not supported before GLOAS fork (slot %d)", req.Message.Slot)
+	}
+
+	beaconBlockRoot := bytesutil.ToBytes32(req.Message.BeaconBlockRoot)
+
+	log := log.WithFields(logrus.Fields{
+		"slot":            req.Message.Slot,
+		"builderIndex":    req.Message.BuilderIndex,
+		"beaconBlockRoot": fmt.Sprintf("%#x", beaconBlockRoot[:8]),
+	})
+	log.Info("Publishing signed execution payload envelope")
+
+	// Wait for the associated beacon block to be available.
+	// The block may come from local production or P2P gossip.
+	if err := vs.waitForBeaconBlock(ctx, beaconBlockRoot); err != nil {
+		return nil, status.Errorf(codes.FailedPrecondition,
+			"beacon block %#x not available: %v", beaconBlockRoot[:8], err)
+	}
+
+	// TODO: Validate envelope signature before broadcasting
+	// if err := vs.validateEnvelopeSignature(ctx, req); err != nil {
+	//     return nil, status.Errorf(codes.InvalidArgument, "invalid envelope signature: %v", err)
+	// }
+
+	// Build data column sidecars from the cached blobs bundle before broadcasting.
+	// In GLOAS, blob data is delivered alongside the execution payload envelope
+	// rather than with the beacon block (which only carries the bid).
+	dataColumnSidecars, err := vs.buildEnvelopeDataColumns(ctx, req.Message, beaconBlockRoot)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to build data column sidecars: %v", err)
+	}
+
+	// Broadcast envelope and data column sidecars concurrently.
+	eg, eCtx := errgroup.WithContext(ctx)
+	eg.Go(func() error {
+		if err := vs.P2P.Broadcast(eCtx, req); err != nil {
+			return errors.Wrap(err, "broadcast signed execution payload envelope")
+		}
+		// TODO: Receive the envelope locally following the broadcastReceiveBlock pattern.
+		// This requires:
+		// 1. blocks.WrappedROSignedExecutionPayloadEnvelope wrapper
+		// 2. BlockReceiver.ReceiveExecutionPayloadEnvelope method
+		// See epbs branch's receive_execution_payload_envelope.go for reference.
+		return nil
+	})
+	if len(dataColumnSidecars) > 0 {
+		eg.Go(func() error {
+			return vs.broadcastAndReceiveDataColumns(eCtx, dataColumnSidecars)
+		})
+	}
+	if err := eg.Wait(); err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to publish execution payload envelope: %v", err)
+	}
+
+	log.Info("Successfully published execution payload envelope")
+
+	return &emptypb.Empty{}, nil
+}
+
+// waitForBeaconBlock waits for the beacon block with the given root to be available.
+// It first checks if the block already exists, then subscribes to block notifications
+// and polls periodically until the block arrives or the timeout is reached.
+func (vs *Server) waitForBeaconBlock(ctx context.Context, blockRoot [32]byte) error {
+	// Fast path: check if block already exists
+	if vs.BlockReceiver.HasBlock(ctx, blockRoot) {
+		return nil
+	}
+
+	log.WithField("blockRoot", fmt.Sprintf("%#x", blockRoot[:8])).
+		Debug("Waiting for beacon block to arrive")
+
+	waitCtx, cancel := context.WithTimeout(ctx, envelopeBlockWaitTimeout)
+	defer cancel()
+
+	blocksChan := make(chan *feed.Event, 1)
+	blockSub := vs.BlockNotifier.BlockFeed().Subscribe(blocksChan)
+	defer blockSub.Unsubscribe()
+
+	ticker := time.NewTicker(envelopeBlockPollInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-waitCtx.Done():
+			return errors.Wrap(waitCtx.Err(), "timeout waiting for beacon block")
+
+		case blockEvent := <-blocksChan:
+			if blockEvent.Type == blockfeed.ReceivedBlock {
+				data, ok := blockEvent.Data.(*blockfeed.ReceivedBlockData)
+				if ok && data != nil && data.SignedBlock != nil {
+					root, err := data.SignedBlock.Block().HashTreeRoot()
+					if err == nil && root == blockRoot {
+						return nil
+					}
+				}
+			}
+
+		case <-ticker.C:
+			if vs.BlockReceiver.HasBlock(ctx, blockRoot) {
+				return nil
+			}
+
+		case <-blockSub.Err():
+			return errors.New("block subscription closed")
+		}
+	}
+}
+
+// buildEnvelopeDataColumns retrieves the cached blobs bundle for the envelope's
+// slot/builder and builds data column sidecars. Returns nil if no blobs to broadcast.
+func (vs *Server) buildEnvelopeDataColumns(
+	ctx context.Context,
+	envelope *ethpb.ExecutionPayloadEnvelope,
+	blockRoot [32]byte,
+) ([]consensusblocks.RODataColumn, error) {
+	if vs.ExecutionPayloadEnvelopeCache == nil {
+		return nil, nil
+	}
+
+	blobsBundle, found := vs.ExecutionPayloadEnvelopeCache.GetBlobsBundle(envelope.Slot, envelope.BuilderIndex)
+	if !found || blobsBundle == nil {
+		return nil, nil
+	}
+
+	blobs := blobsBundle.GetBlobs()
+	proofs := blobsBundle.GetProofs()
+	commitments := envelope.BlobKzgCommitments
+	if len(blobs) == 0 {
+		return nil, nil
+	}
+
+	// Retrieve the beacon block to build the signed block header for sidecars.
+	blk, err := vs.BeaconDB.Block(ctx, blockRoot)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not get block for data column sidecars")
+	}
+	if blk == nil {
+		return nil, errors.New("block not found for data column sidecars")
+	}
+
+	roBlock, err := consensusblocks.NewROBlockWithRoot(blk, blockRoot)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not create ROBlock")
+	}
+
+	return buildDataColumnSidecars(blobs, proofs, peerdas.PopulateFromEnvelope(roBlock, commitments))
+}

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

@@ -0,0 +1,104 @@
+package validator
+
+import (
+	"testing"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
+	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
+	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/require"
+)
+
+func TestSetGloasExecutionData(t *testing.T) {
+	parentRoot := [32]byte{1, 2, 3}
+	slot := primitives.Slot(100)
+	proposerIndex := primitives.ValidatorIndex(42)
+
+	sBlk, err := consensusblocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockGloas{
+		Block: &ethpb.BeaconBlockGloas{
+			Slot:          slot,
+			ProposerIndex: proposerIndex,
+			ParentRoot:    parentRoot[:],
+			Body:          &ethpb.BeaconBlockBodyGloas{},
+		},
+	})
+	require.NoError(t, err)
+
+	payload := &enginev1.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),
+		BaseFeePerGas: make([]byte, 32),
+		BlockHash:     make([]byte, 32),
+		ExtraData:     make([]byte, 0),
+	}
+	ed, err := consensusblocks.WrappedExecutionPayloadDeneb(payload)
+	require.NoError(t, err)
+
+	local := &consensusblocks.GetPayloadResponse{
+		ExecutionData:     ed,
+		Bid:               primitives.ZeroWei(),
+		BlobsBundler:      nil,
+		ExecutionRequests: &enginev1.ExecutionRequests{},
+	}
+
+	envelopeCache := cache.NewExecutionPayloadEnvelopeCache()
+	vs := &Server{
+		ExecutionPayloadEnvelopeCache: envelopeCache,
+	}
+
+	err = vs.setGloasExecutionData(t.Context(), sBlk, local)
+	require.NoError(t, err)
+
+	// Verify the signed bid was set on the block.
+	signedBid, err := sBlk.Block().Body().SignedExecutionPayloadBid()
+	require.NoError(t, err)
+	require.NotNil(t, signedBid)
+	require.NotNil(t, signedBid.Message)
+
+	// Per spec (process_execution_payload_bid): for self-builds,
+	// signature must be G2 point-at-infinity.
+	require.DeepEqual(t, common.InfiniteSignature[:], signedBid.Signature)
+
+	// Verify bid fields.
+	bid := signedBid.Message
+	require.Equal(t, slot, bid.Slot)
+	require.Equal(t, primitives.BuilderIndex(proposerIndex), bid.BuilderIndex)
+	require.DeepEqual(t, parentRoot[:], bid.ParentBlockRoot)
+	require.Equal(t, uint64(0), bid.Value)
+	require.Equal(t, uint64(0), bid.ExecutionPayment)
+
+	// Verify the envelope was cached.
+	envelope, found := envelopeCache.Get(slot, primitives.BuilderIndex(proposerIndex))
+	require.Equal(t, true, found)
+	require.NotNil(t, envelope)
+	require.Equal(t, slot, envelope.Slot)
+	require.Equal(t, primitives.BuilderIndex(proposerIndex), envelope.BuilderIndex)
+}
+
+func TestSetGloasExecutionData_NilPayload(t *testing.T) {
+	sBlk, err := consensusblocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockGloas{
+		Block: &ethpb.BeaconBlockGloas{
+			Slot:       1,
+			ParentRoot: make([]byte, 32),
+			Body:       &ethpb.BeaconBlockBodyGloas{},
+		},
+	})
+	require.NoError(t, err)
+
+	vs := &Server{
+		ExecutionPayloadEnvelopeCache: cache.NewExecutionPayloadEnvelopeCache(),
+	}
+
+	err = vs.setGloasExecutionData(t.Context(), sBlk, nil)
+	require.ErrorContains(t, "local execution payload is nil", err)
+
+	err = vs.setGloasExecutionData(t.Context(), sBlk, &consensusblocks.GetPayloadResponse{})
+	require.ErrorContains(t, "local execution payload is nil", err)
+}

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

@@ -44,45 +44,46 @@ import (
 // and committees in which particular validators need to perform their responsibilities,
 // and more.
 type Server struct {
-	Ctx                     context.Context
-	PayloadIDCache          *cache.PayloadIDCache
-	TrackedValidatorsCache  *cache.TrackedValidatorsCache
-	HeadFetcher             blockchain.HeadFetcher
-	ForkFetcher             blockchain.ForkFetcher
-	ForkchoiceFetcher       blockchain.ForkchoiceFetcher
-	GenesisFetcher          blockchain.GenesisFetcher
-	FinalizationFetcher     blockchain.FinalizationFetcher
-	TimeFetcher             blockchain.TimeFetcher
-	BlockFetcher            execution.POWBlockFetcher
-	DepositFetcher          cache.DepositFetcher
-	ChainStartFetcher       execution.ChainStartFetcher
-	Eth1InfoFetcher         execution.ChainInfoFetcher
-	OptimisticModeFetcher   blockchain.OptimisticModeFetcher
-	SyncChecker             sync.Checker
-	StateNotifier           statefeed.Notifier
-	BlockNotifier           blockfeed.Notifier
-	P2P                     p2p.Broadcaster
-	AttestationCache        *cache.AttestationCache
-	AttPool                 attestations.Pool
-	SlashingsPool           slashings.PoolManager
-	ExitPool                voluntaryexits.PoolManager
-	SyncCommitteePool       synccommittee.Pool
-	BlockReceiver           blockchain.BlockReceiver
-	BlobReceiver            blockchain.BlobReceiver
-	DataColumnReceiver      blockchain.DataColumnReceiver
-	MockEth1Votes           bool
-	Eth1BlockFetcher        execution.POWBlockFetcher
-	PendingDepositsFetcher  depositsnapshot.PendingDepositsFetcher
-	OperationNotifier       opfeed.Notifier
-	StateGen                stategen.StateManager
-	ReplayerBuilder         stategen.ReplayerBuilder
-	BeaconDB                db.HeadAccessDatabase
-	ExecutionEngineCaller   execution.EngineCaller
-	BlockBuilder            builder.BlockBuilder
-	BLSChangesPool          blstoexec.PoolManager
-	ClockWaiter             startup.ClockWaiter
-	CoreService             *core.Service
-	AttestationStateFetcher blockchain.AttestationStateFetcher
+	Ctx                           context.Context
+	PayloadIDCache                *cache.PayloadIDCache
+	TrackedValidatorsCache        *cache.TrackedValidatorsCache
+	ExecutionPayloadEnvelopeCache *cache.ExecutionPayloadEnvelopeCache // GLOAS: Cache for execution payload envelopes
+	HeadFetcher                   blockchain.HeadFetcher
+	ForkFetcher                   blockchain.ForkFetcher
+	ForkchoiceFetcher             blockchain.ForkchoiceFetcher
+	GenesisFetcher                blockchain.GenesisFetcher
+	FinalizationFetcher           blockchain.FinalizationFetcher
+	TimeFetcher                   blockchain.TimeFetcher
+	BlockFetcher                  execution.POWBlockFetcher
+	DepositFetcher                cache.DepositFetcher
+	ChainStartFetcher             execution.ChainStartFetcher
+	Eth1InfoFetcher               execution.ChainInfoFetcher
+	OptimisticModeFetcher         blockchain.OptimisticModeFetcher
+	SyncChecker                   sync.Checker
+	StateNotifier                 statefeed.Notifier
+	BlockNotifier                 blockfeed.Notifier
+	P2P                           p2p.Broadcaster
+	AttestationCache              *cache.AttestationCache
+	AttPool                       attestations.Pool
+	SlashingsPool                 slashings.PoolManager
+	ExitPool                      voluntaryexits.PoolManager
+	SyncCommitteePool             synccommittee.Pool
+	BlockReceiver                 blockchain.BlockReceiver
+	BlobReceiver                  blockchain.BlobReceiver
+	DataColumnReceiver            blockchain.DataColumnReceiver
+	MockEth1Votes                 bool
+	Eth1BlockFetcher              execution.POWBlockFetcher
+	PendingDepositsFetcher        depositsnapshot.PendingDepositsFetcher
+	OperationNotifier             opfeed.Notifier
+	StateGen                      stategen.StateManager
+	ReplayerBuilder               stategen.ReplayerBuilder
+	BeaconDB                      db.HeadAccessDatabase
+	ExecutionEngineCaller         execution.EngineCaller
+	BlockBuilder                  builder.BlockBuilder
+	BLSChangesPool                blstoexec.PoolManager
+	ClockWaiter                   startup.ClockWaiter
+	CoreService                   *core.Service
+	AttestationStateFetcher       blockchain.AttestationStateFetcher
 }
 
 // Deprecated: The gRPC API will remain the default and fully supported through v8 (expected in 2026) but will be eventually removed in favor of REST API.

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

@@ -46,14 +46,20 @@ func (b *BeaconState) BuilderPubkey(builderIndex primitives.BuilderIndex) ([fiel
 }
 
 // IsActiveBuilder returns true if the builder placement is finalized and it has not initiated exit.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def is_active_builder(state: BeaconState, builder_index: BuilderIndex) -> bool:
 //
-//	builder = state.builders[builder_index]
-//	return (
-//	    builder.deposit_epoch < state.finalized_checkpoint.epoch
-//	    and builder.withdrawable_epoch == FAR_FUTURE_EPOCH
-//	)
+//	<spec fn="is_active_builder" fork="gloas" hash="1a599fb2">
+//	def is_active_builder(state: BeaconState, builder_index: BuilderIndex) -> bool:
+//	    """
+//	    Check if the builder at ``builder_index`` is active for the given ``state``.
+//	    """
+//	    builder = state.builders[builder_index]
+//	    return (
+//	        # Placement in builder list is finalized
+//	        builder.deposit_epoch < state.finalized_checkpoint.epoch
+//	        # Has not initiated exit
+//	        and builder.withdrawable_epoch == FAR_FUTURE_EPOCH
+//	    )
+//	</spec>
 func (b *BeaconState) IsActiveBuilder(builderIndex primitives.BuilderIndex) (bool, error) {
 	if b.version < version.Gloas {
 		return false, errNotSupported("IsActiveBuilder", b.version)
@@ -72,15 +78,18 @@ func (b *BeaconState) IsActiveBuilder(builderIndex primitives.BuilderIndex) (boo
 }
 
 // CanBuilderCoverBid returns true if the builder has enough balance to cover the given bid amount.
-// Spec v1.7.0-alpha.0 (pseudocode):
-// def can_builder_cover_bid(state: BeaconState, builder_index: BuilderIndex, bid_amount: Gwei) -> bool:
 //
-//	builder_balance = state.builders[builder_index].balance
-//	pending_withdrawals_amount = get_pending_balance_to_withdraw_for_builder(state, builder_index)
-//	min_balance = MIN_DEPOSIT_AMOUNT + pending_withdrawals_amount
-//	if builder_balance < min_balance:
-//	    return False
-//	return builder_balance - min_balance >= bid_amount
+//	<spec fn="can_builder_cover_bid" fork="gloas" hash="9e3f2d7c">
+//	def can_builder_cover_bid(
+//	    state: BeaconState, builder_index: BuilderIndex, bid_amount: Gwei
+//	) -> bool:
+//	    builder_balance = state.builders[builder_index].balance
+//	    pending_withdrawals_amount = get_pending_balance_to_withdraw_for_builder(state, builder_index)
+//	    min_balance = MIN_DEPOSIT_AMOUNT + pending_withdrawals_amount
+//	    if builder_balance < min_balance:
+//	        return False
+//	    return builder_balance - min_balance >= bid_amount
+//	</spec>
 func (b *BeaconState) CanBuilderCoverBid(builderIndex primitives.BuilderIndex, bidAmount primitives.Gwei) (bool, error) {
 	if b.version < version.Gloas {
 		return false, errNotSupported("CanBuilderCoverBid", b.version)

changelog/bastin_fix-genlogs-gitignore-bug.md

@@ -0,0 +1,3 @@
+### Fixed
+
+- Fixed a bug where `cmd/beacon-chain/execution` was being ignored by `hack/gen-logs.sh` due to a `.gitignore` rule.

changelog/bastin_fix-logging-issue.md

@@ -0,0 +1,3 @@
+### Changed
+
+- Fixed the logging issue described in #16314.

changelog/james-prysm_host-fallback-cleanup.md

@@ -0,0 +1,11 @@
+### Ignored 
+
+- moved finding healthy node logic to connection provider and other various cleanup on naming.
+
+### Changed
+
+- Improved node fallback logs.
+
+### Fixed
+
+- a potential race condition when switching hosts quickly and reconnecting to same host on an old connection.

changelog/jtraglia-improve-ethspecify-integration.md

@@ -0,0 +1,3 @@
+### Changed
+
+- Improved integrations with ethspecify so specrefs can be used throughout the codebase.

changelog/potuz_forkchoice_unused_highestblockdelay.md

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

changelog/potuz_forkchoice_unused_last_root.md

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

changelog/potuz_remove_unused_map.md

@@ -0,0 +1,2 @@
+### Ignored
+- Remove unused map in forkchoice.

cmd/beacon-chain/execution/log.go

@@ -1,5 +1,9 @@
+// Code generated by hack/gen-logs.sh; DO NOT EDIT.
+// This file is created and regenerated automatically. Anything added here might get removed.
 package execution
 
 import "github.com/sirupsen/logrus"
 
-var log = logrus.WithField("prefix", "execution")
+// The prefix for logs from this package will be the text after the last slash in the package path.
+// If you wish to change this, you should add your desired name in the runtime/logging/logrus-prefixed-formatter/prefix-replacement.go file.
+var log = logrus.WithField("package", "cmd/beacon-chain/execution")

cmd/beacon-chain/main.go

@@ -188,8 +188,8 @@ func before(ctx *cli.Context) error {
 		return errors.Wrap(err, "failed to parse log vmodule")
 	}
 
-	// set the global logging level to allow for the highest verbosity requested
-	logs.SetLoggingLevel(max(verbosityLevel, maxLevel))
+	// set the global logging level and data
+	logs.SetLoggingLevelAndData(verbosityLevel, vmodule, maxLevel, ctx.Bool(flags.DisableEphemeralLogFile.Name))
 
 	format := ctx.String(cmd.LogFormat.Name)
 	switch format {
@@ -210,6 +210,7 @@ func before(ctx *cli.Context) error {
 			Formatter:     formatter,
 			Writer:        os.Stderr,
 			AllowedLevels: logrus.AllLevels[:max(verbosityLevel, maxLevel)+1],
+			Identifier:    logs.LogTargetUser,
 		})
 	case "fluentd":
 		f := joonix.NewFormatter()

cmd/validator/main.go

@@ -164,8 +164,8 @@ func main() {
 				return errors.Wrap(err, "failed to parse log vmodule")
 			}
 
-			// set the global logging level to allow for the highest verbosity requested
-			logs.SetLoggingLevel(max(maxLevel, verbosityLevel))
+			// set the global logging level and data
+			logs.SetLoggingLevelAndData(verbosityLevel, vmodule, maxLevel, ctx.Bool(flags.DisableEphemeralLogFile.Name))
 
 			logFileName := ctx.String(cmd.LogFileName.Name)
 
@@ -188,6 +188,7 @@ func main() {
 					Formatter:     formatter,
 					Writer:        os.Stderr,
 					AllowedLevels: logrus.AllLevels[:max(verbosityLevel, maxLevel)+1],
+					Identifier:    logs.LogTargetUser,
 				})
 			case "fluentd":
 				f := joonix.NewFormatter()

hack/gen-logs.sh

@@ -31,6 +31,11 @@ EXCLUDED_PATH_PREFIXES=(
   ".vscode"
 )
 
+# Gitignore overrides: paths that should still be scanned even if ignored by VCS.
+GITIGNORE_OVERRIDES=(
+  "cmd/beacon-chain/execution"
+)
+
 # The logrus import path
 LOGRUS_IMPORT="github.com/sirupsen/logrus"
 # ----------------------------
@@ -70,6 +75,14 @@ rg_args=(
   -0    # NUL-delimited output
 )
 
+if [[ ${#GITIGNORE_OVERRIDES[@]} -gt 0 ]]; then
+  # Disable VCS ignores so overrides are honored.
+  rg_args+=( --no-ignore-vcs )
+  for ov in "${GITIGNORE_OVERRIDES[@]}"; do
+    rg_args+=( --glob "$ov/**" )
+  done
+fi
+
 for ex in "${EXCLUDED_PATH_PREFIXES[@]}"; do
   rg_args+=( --glob "!$ex/**" )
 done

io/logs/hook.go

@@ -6,20 +6,28 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+type HookIdentifier string
+
 type WriterHook struct {
 	AllowedLevels []logrus.Level
 	Writer        io.Writer
 	Formatter     logrus.Formatter
+	Identifier    HookIdentifier
 }
 
 func (hook *WriterHook) Levels() []logrus.Level {
-	if hook.AllowedLevels == nil || len(hook.AllowedLevels) == 0 {
+	if len(hook.AllowedLevels) == 0 {
 		return logrus.AllLevels
 	}
 	return hook.AllowedLevels
 }
 
 func (hook *WriterHook) Fire(entry *logrus.Entry) error {
+	val, ok := entry.Data[LogTargetField]
+	if ok && val != hook.Identifier {
+		return nil
+	}
+
 	line, err := hook.Formatter.Format(entry)
 	if err != nil {
 		return err

io/logs/logutil.go

@@ -17,11 +17,43 @@ import (
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
-var ephemeralLogFileVerbosity = logrus.DebugLevel
+var (
+	userVerbosity = logrus.InfoLevel
+	vmodule       = make(map[string]logrus.Level)
+)
 
-// SetLoggingLevel sets the base logging level for logrus.
-func SetLoggingLevel(lvl logrus.Level) {
-	logrus.SetLevel(max(lvl, ephemeralLogFileVerbosity))
+const (
+	ephemeralLogFileVerbosity                = logrus.DebugLevel
+	LogTargetField                           = "log_target"
+	LogTargetEphemeral        HookIdentifier = "ephemeral"
+	LogTargetUser             HookIdentifier = "user"
+)
+
+// SetLoggingLevelAndData sets the base logging level for logrus.
+func SetLoggingLevelAndData(baseVerbosity logrus.Level, vmoduleMap map[string]logrus.Level, maxVmoduleLevel logrus.Level, disableEphemeral bool) {
+	userVerbosity = baseVerbosity
+	vmodule = vmoduleMap
+
+	globalLevel := max(baseVerbosity, maxVmoduleLevel)
+	if !disableEphemeral {
+		globalLevel = max(globalLevel, ephemeralLogFileVerbosity)
+	}
+	logrus.SetLevel(globalLevel)
+}
+
+// PackageVerbosity returns the verbosity of a given package.
+func PackageVerbosity(packagePath string) logrus.Level {
+	bestLen := 0
+	bestLevel := userVerbosity
+	for k, v := range vmodule {
+		if k == packagePath || strings.HasPrefix(packagePath, k+"/") {
+			if len(k) > bestLen {
+				bestLen = len(k)
+				bestLevel = v
+			}
+		}
+	}
+	return bestLevel
 }
 
 func addLogWriter(w io.Writer) {
@@ -68,6 +100,7 @@ func ConfigurePersistentLogging(logFileName string, format string, lvl logrus.Le
 		Formatter:     formatter,
 		Writer:        f,
 		AllowedLevels: logrus.AllLevels[:max(lvl, maxVmoduleLevel)+1],
+		Identifier:    LogTargetUser,
 	})
 
 	logrus.Debug("File logging initialized")
@@ -101,6 +134,7 @@ func ConfigureEphemeralLogFile(datadirPath string, app string) error {
 		Formatter:     formatter,
 		Writer:        debugWriter,
 		AllowedLevels: logrus.AllLevels[:ephemeralLogFileVerbosity+1],
+		Identifier:    LogTargetEphemeral,
 	})
 
 	logrus.WithField("path", logFilePath).Debug("Ephemeral log file initialized")

proto/prysm/v1alpha1/validator.proto

@@ -25,6 +25,7 @@ import "proto/prysm/v1alpha1/beacon_block.proto";
 import "proto/prysm/v1alpha1/beacon_core_types.proto";
 import "proto/prysm/v1alpha1/sync_committee.proto";
 import "proto/prysm/v1alpha1/attestation.proto";
+import "proto/prysm/v1alpha1/gloas.proto";
 
 option csharp_namespace = "Ethereum.Eth.V1";
 option go_package = "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1;eth";
@@ -439,6 +440,39 @@ service BeaconNodeValidator {
       get : "/eth/v1alpha1/validator/blocks/aggregated_sig_and_aggregation_bits"
     };
   }
+
+  // ==========================================================================
+  // GLOAS Fork Endpoints
+  // ==========================================================================
+
+  // GetExecutionPayloadEnvelope retrieves a cached execution payload envelope
+  // for the given slot and builder index. This is called by validators after
+  // receiving a GLOAS block to get the envelope they need to sign and broadcast.
+  //
+  // The envelope is cached by the beacon node during block production and
+  // contains the full execution payload that corresponds to the bid in the block.
+  rpc GetExecutionPayloadEnvelope(ExecutionPayloadEnvelopeRequest)
+      returns (ExecutionPayloadEnvelopeResponse) {
+    option deprecated = true;
+    option (google.api.http) = {
+      get : "/eth/v1alpha1/validator/execution_payload_envelope/{slot}/{builder_index}"
+    };
+  }
+
+  // PublishExecutionPayloadEnvelope broadcasts a signed execution payload envelope
+  // to the P2P network. This is called by validators after signing the envelope
+  // retrieved from GetExecutionPayloadEnvelope.
+  //
+  // The beacon node validates the envelope signature and broadcasts it to peers
+  // via the execution_payload_envelope gossip topic.
+  rpc PublishExecutionPayloadEnvelope(SignedExecutionPayloadEnvelope)
+      returns (google.protobuf.Empty) {
+    option deprecated = true;
+    option (google.api.http) = {
+      post : "/eth/v1alpha1/validator/execution_payload_envelope"
+      body : "*"
+    };
+  }
 }
 
 // SyncMessageBlockRootResponse for beacon chain validator to retrieve and
@@ -1134,3 +1168,34 @@ message AggregatedSigAndAggregationBitsResponse {
   bytes aggregated_sig = 1;
   bytes bits = 2;
 }
+
+// =============================================================================
+// GLOAS Fork Messages
+// =============================================================================
+
+// ExecutionPayloadEnvelopeRequest is the request for retrieving a cached
+// execution payload envelope from the beacon node.
+message ExecutionPayloadEnvelopeRequest {
+  option deprecated = true;
+
+  // The slot for which to retrieve the execution payload envelope.
+  uint64 slot = 1 [
+    (ethereum.eth.ext.cast_type) =
+        "github.com/OffchainLabs/prysm/v7/consensus-types/primitives.Slot"
+  ];
+
+  // The builder index that created the payload envelope.
+  uint64 builder_index = 2 [
+    (ethereum.eth.ext.cast_type) =
+        "github.com/OffchainLabs/prysm/v7/consensus-types/primitives.BuilderIndex"
+  ];
+}
+
+// ExecutionPayloadEnvelopeResponse is the response containing the cached
+// execution payload envelope.
+message ExecutionPayloadEnvelopeResponse {
+  option deprecated = true;
+
+  // The execution payload envelope for the requested slot and builder.
+  ExecutionPayloadEnvelope envelope = 1;
+}

runtime/logging/logrus-prefixed-formatter/formatter.go

@@ -334,7 +334,7 @@ func (f *TextFormatter) printColored(b *bytes.Buffer, entry *logrus.Entry, keys
 		_, err = fmt.Fprintf(b, "%s %s%s "+messageFormat, colorScheme.TimestampColor(timestamp), level, prefix, message)
 	}
 	for _, k := range keys {
-		if k != "package" {
+		if k != "package" && k != "log_target" {
 			v := entry.Data[k]
 
 			format := "%+v"

specrefs/README.md

@@ -11,17 +11,12 @@ Install `ethspecify` with the following command:
 pipx install ethspecify
 ```
 
-> [!NOTE]
-> You can run `ethspecify <cmd>` in the `specrefs` directory or
-> `ethspecify <cmd> --path=specrefs` from the project's root directory.
-
 ## Maintenance
 
 When adding support for a new specification version, follow these steps:
 
-0. Change directory into the `specrefs` directory.
 1. Update the version in `.ethspecify.yml` configuration.
-2. Run `ethspecify process` to update/populate specrefs.
+2. Run `ethspecify` to update/populate specrefs.
 3. Run `ethspecify check` to check specrefs.
 4. If there are errors, use the error message as a guide to fix the issue. If
    there are new specrefs with empty sources, implement/locate each item and

specrefs/configs.yml

@@ -1,4 +1,4 @@
-- name: AGGREGATE_DUE_BPS
+- name: AGGREGATE_DUE_BPS#phase0
   sources:
     - file: config/params/config.go
       search: AggregateDueBPS\s+primitives.BP
@@ -8,7 +8,14 @@
     AGGREGATE_DUE_BPS: uint64 = 6667
     </spec>
 
-- name: ALTAIR_FORK_EPOCH
+- name: AGGREGATE_DUE_BPS_GLOAS#gloas
+  sources: []
+  spec: |
+    <spec config_var="AGGREGATE_DUE_BPS_GLOAS" fork="gloas" hash="34aa3164">
+    AGGREGATE_DUE_BPS_GLOAS: uint64 = 5000
+    </spec>
+
+- name: ALTAIR_FORK_EPOCH#altair
   sources:
     - file: config/params/config.go
       search: AltairForkEpoch\s+primitives.Epoch
@@ -18,7 +25,7 @@
     ALTAIR_FORK_EPOCH: Epoch = 74240
     </spec>
 
-- name: ALTAIR_FORK_VERSION
+- name: ALTAIR_FORK_VERSION#altair
   sources:
     - file: config/params/config.go
       search: AltairForkVersion\s+\[]byte
@@ -28,7 +35,7 @@
     ALTAIR_FORK_VERSION: Version = '0x01000000'
     </spec>
 
-- name: ATTESTATION_DUE_BPS
+- name: ATTESTATION_DUE_BPS#phase0
   sources:
     - file: config/params/config.go
       search: AttestationDueBPS\s+primitives.BP
@@ -38,7 +45,14 @@
     ATTESTATION_DUE_BPS: uint64 = 3333
     </spec>
 
-- name: ATTESTATION_PROPAGATION_SLOT_RANGE
+- name: ATTESTATION_DUE_BPS_GLOAS#gloas
+  sources: []
+  spec: |
+    <spec config_var="ATTESTATION_DUE_BPS_GLOAS" fork="gloas" hash="3863c1ef">
+    ATTESTATION_DUE_BPS_GLOAS: uint64 = 2500
+    </spec>
+
+- name: ATTESTATION_PROPAGATION_SLOT_RANGE#phase0
   sources:
     - file: config/params/config.go
       search: AttestationPropagationSlotRange\s+primitives.Slot
@@ -48,7 +62,7 @@
     ATTESTATION_PROPAGATION_SLOT_RANGE = 32
     </spec>
 
-- name: ATTESTATION_SUBNET_COUNT
+- name: ATTESTATION_SUBNET_COUNT#phase0
   sources:
     - file: config/params/config.go
       search: AttestationSubnetCount\s+uint64
@@ -58,7 +72,7 @@
     ATTESTATION_SUBNET_COUNT = 64
     </spec>
 
-- name: ATTESTATION_SUBNET_EXTRA_BITS
+- name: ATTESTATION_SUBNET_EXTRA_BITS#phase0
   sources:
     - file: config/params/config.go
       search: AttestationSubnetExtraBits\s+uint64
@@ -68,7 +82,7 @@
     ATTESTATION_SUBNET_EXTRA_BITS = 0
     </spec>
 
-- name: ATTESTATION_SUBNET_PREFIX_BITS
+- name: ATTESTATION_SUBNET_PREFIX_BITS#phase0
   sources:
     - file: config/params/config.go
       search: AttestationSubnetPrefixBits\s+uint64
@@ -78,7 +92,7 @@
     ATTESTATION_SUBNET_PREFIX_BITS: int = 6
     </spec>
 
-- name: BALANCE_PER_ADDITIONAL_CUSTODY_GROUP
+- name: BALANCE_PER_ADDITIONAL_CUSTODY_GROUP#fulu
   sources:
     - file: config/params/config.go
       search: BalancePerAdditionalCustodyGroup\s+uint64
@@ -88,7 +102,7 @@
     BALANCE_PER_ADDITIONAL_CUSTODY_GROUP: Gwei = 32000000000
     </spec>
 
-- name: BELLATRIX_FORK_EPOCH
+- name: BELLATRIX_FORK_EPOCH#bellatrix
   sources:
     - file: config/params/config.go
       search: BellatrixForkEpoch\s+primitives.Epoch
@@ -98,7 +112,7 @@
     BELLATRIX_FORK_EPOCH: Epoch = 144896
     </spec>
 
-- name: BELLATRIX_FORK_VERSION
+- name: BELLATRIX_FORK_VERSION#bellatrix
   sources:
     - file: config/params/config.go
       search: BellatrixForkVersion\s+\[]byte
@@ -108,7 +122,7 @@
     BELLATRIX_FORK_VERSION: Version = '0x02000000'
     </spec>
 
-- name: BLOB_SCHEDULE
+- name: BLOB_SCHEDULE#fulu
   sources:
     - file: config/params/config.go
       search: BlobSchedule\s+\[]BlobScheduleEntry
@@ -127,7 +141,7 @@
     )
     </spec>
 
-- name: BLOB_SIDECAR_SUBNET_COUNT
+- name: BLOB_SIDECAR_SUBNET_COUNT#deneb
   sources:
     - file: config/params/config.go
       search: BlobsidecarSubnetCount\s+uint64
@@ -137,7 +151,7 @@
     BLOB_SIDECAR_SUBNET_COUNT = 6
     </spec>
 
-- name: BLOB_SIDECAR_SUBNET_COUNT_ELECTRA
+- name: BLOB_SIDECAR_SUBNET_COUNT_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: BlobsidecarSubnetCountElectra\s+uint64
@@ -147,7 +161,7 @@
     BLOB_SIDECAR_SUBNET_COUNT_ELECTRA = 9
     </spec>
 
-- name: CAPELLA_FORK_EPOCH
+- name: CAPELLA_FORK_EPOCH#capella
   sources:
     - file: config/params/config.go
       search: CapellaForkEpoch\s+primitives.Epoch
@@ -157,7 +171,7 @@
     CAPELLA_FORK_EPOCH: Epoch = 194048
     </spec>
 
-- name: CAPELLA_FORK_VERSION
+- name: CAPELLA_FORK_VERSION#capella
   sources:
     - file: config/params/config.go
       search: CapellaForkVersion\s+\[]byte
@@ -167,7 +181,7 @@
     CAPELLA_FORK_VERSION: Version = '0x03000000'
     </spec>
 
-- name: CHURN_LIMIT_QUOTIENT
+- name: CHURN_LIMIT_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: ChurnLimitQuotient\s+uint64
@@ -177,7 +191,7 @@
     CHURN_LIMIT_QUOTIENT: uint64 = 65536
     </spec>
 
-- name: CONTRIBUTION_DUE_BPS
+- name: CONTRIBUTION_DUE_BPS#altair
   sources:
     - file: config/params/config.go
       search: ContributionDueBPS\s+primitives.BP
@@ -187,7 +201,14 @@
     CONTRIBUTION_DUE_BPS: uint64 = 6667
     </spec>
 
-- name: CUSTODY_REQUIREMENT
+- name: CONTRIBUTION_DUE_BPS_GLOAS#gloas
+  sources: []
+  spec: |
+    <spec config_var="CONTRIBUTION_DUE_BPS_GLOAS" fork="gloas" hash="0ead2ac1">
+    CONTRIBUTION_DUE_BPS_GLOAS: uint64 = 5000
+    </spec>
+
+- name: CUSTODY_REQUIREMENT#fulu
   sources:
     - file: config/params/config.go
       search: CustodyRequirement\s+uint64.*yaml:"CUSTODY_REQUIREMENT"
@@ -197,7 +218,7 @@
     CUSTODY_REQUIREMENT = 4
     </spec>
 
-- name: DATA_COLUMN_SIDECAR_SUBNET_COUNT
+- name: DATA_COLUMN_SIDECAR_SUBNET_COUNT#fulu
   sources:
     - file: config/params/config.go
       search: DataColumnSidecarSubnetCount\s+uint64
@@ -207,7 +228,7 @@
     DATA_COLUMN_SIDECAR_SUBNET_COUNT = 128
     </spec>
 
-- name: DENEB_FORK_EPOCH
+- name: DENEB_FORK_EPOCH#deneb
   sources:
     - file: config/params/config.go
       search: DenebForkEpoch\s+primitives.Epoch
@@ -217,7 +238,7 @@
     DENEB_FORK_EPOCH: Epoch = 269568
     </spec>
 
-- name: DENEB_FORK_VERSION
+- name: DENEB_FORK_VERSION#deneb
   sources:
     - file: config/params/config.go
       search: DenebForkVersion\s+\[]byte
@@ -227,7 +248,7 @@
     DENEB_FORK_VERSION: Version = '0x04000000'
     </spec>
 
-- name: EJECTION_BALANCE
+- name: EJECTION_BALANCE#phase0
   sources:
     - file: config/params/config.go
       search: EjectionBalance\s+uint64
@@ -237,7 +258,7 @@
     EJECTION_BALANCE: Gwei = 16000000000
     </spec>
 
-- name: ELECTRA_FORK_EPOCH
+- name: ELECTRA_FORK_EPOCH#electra
   sources:
     - file: config/params/config.go
       search: ElectraForkEpoch\s+primitives.Epoch
@@ -247,7 +268,7 @@
     ELECTRA_FORK_EPOCH: Epoch = 364032
     </spec>
 
-- name: ELECTRA_FORK_VERSION
+- name: ELECTRA_FORK_VERSION#electra
   sources:
     - file: config/params/config.go
       search: ElectraForkVersion\s+\[]byte
@@ -257,7 +278,7 @@
     ELECTRA_FORK_VERSION: Version = '0x05000000'
     </spec>
 
-- name: EPOCHS_PER_SUBNET_SUBSCRIPTION
+- name: EPOCHS_PER_SUBNET_SUBSCRIPTION#phase0
   sources:
     - file: config/params/config.go
       search: EpochsPerSubnetSubscription\s+uint64
@@ -267,7 +288,7 @@
     EPOCHS_PER_SUBNET_SUBSCRIPTION = 256
     </spec>
 
-- name: ETH1_FOLLOW_DISTANCE
+- name: ETH1_FOLLOW_DISTANCE#phase0
   sources:
     - file: config/params/config.go
       search: Eth1FollowDistance\s+uint64
@@ -277,7 +298,7 @@
     ETH1_FOLLOW_DISTANCE: uint64 = 2048
     </spec>
 
-- name: FULU_FORK_EPOCH
+- name: FULU_FORK_EPOCH#fulu
   sources:
     - file: config/params/config.go
       search: FuluForkEpoch\s+primitives.Epoch
@@ -287,7 +308,7 @@
     FULU_FORK_EPOCH: Epoch = 411392
     </spec>
 
-- name: FULU_FORK_VERSION
+- name: FULU_FORK_VERSION#fulu
   sources:
     - file: config/params/config.go
       search: FuluForkVersion\s+\[]byte
@@ -297,7 +318,7 @@
     FULU_FORK_VERSION: Version = '0x06000000'
     </spec>
 
-- name: GENESIS_DELAY
+- name: GENESIS_DELAY#phase0
   sources:
     - file: config/params/config.go
       search: GenesisDelay\s+uint64
@@ -307,7 +328,7 @@
     GENESIS_DELAY: uint64 = 604800
     </spec>
 
-- name: GENESIS_FORK_VERSION
+- name: GENESIS_FORK_VERSION#phase0
   sources:
     - file: config/params/config.go
       search: GenesisForkVersion\s+\[]byte
@@ -317,7 +338,21 @@
     GENESIS_FORK_VERSION: Version = '0x00000000'
     </spec>
 
-- name: INACTIVITY_SCORE_BIAS
+- name: GLOAS_FORK_EPOCH#gloas
+  sources: []
+  spec: |
+    <spec config_var="GLOAS_FORK_EPOCH" fork="gloas" hash="c25152cf">
+    GLOAS_FORK_EPOCH: Epoch = 18446744073709551615
+    </spec>
+
+- name: GLOAS_FORK_VERSION#gloas
+  sources: []
+  spec: |
+    <spec config_var="GLOAS_FORK_VERSION" fork="gloas" hash="c1c5c007">
+    GLOAS_FORK_VERSION: Version = '0x07000000'
+    </spec>
+
+- name: INACTIVITY_SCORE_BIAS#altair
   sources:
     - file: config/params/config.go
       search: InactivityScoreBias\s+uint64
@@ -327,7 +362,7 @@
     INACTIVITY_SCORE_BIAS: uint64 = 4
     </spec>
 
-- name: INACTIVITY_SCORE_RECOVERY_RATE
+- name: INACTIVITY_SCORE_RECOVERY_RATE#altair
   sources:
     - file: config/params/config.go
       search: InactivityScoreRecoveryRate\s+uint64
@@ -337,7 +372,7 @@
     INACTIVITY_SCORE_RECOVERY_RATE: uint64 = 16
     </spec>
 
-- name: MAXIMUM_GOSSIP_CLOCK_DISPARITY
+- name: MAXIMUM_GOSSIP_CLOCK_DISPARITY#phase0
   sources:
     - file: config/params/config.go
       search: MaximumGossipClockDisparity\s+uint64
@@ -347,7 +382,7 @@
     MAXIMUM_GOSSIP_CLOCK_DISPARITY = 500
     </spec>
 
-- name: MAX_BLOBS_PER_BLOCK
+- name: MAX_BLOBS_PER_BLOCK#deneb
   sources:
     - file: config/params/config.go
       search: DeprecatedMaxBlobsPerBlock\s+int
@@ -357,7 +392,7 @@
     MAX_BLOBS_PER_BLOCK: uint64 = 6
     </spec>
 
-- name: MAX_BLOBS_PER_BLOCK_ELECTRA
+- name: MAX_BLOBS_PER_BLOCK_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: DeprecatedMaxBlobsPerBlockElectra\s+int
@@ -367,7 +402,7 @@
     MAX_BLOBS_PER_BLOCK_ELECTRA: uint64 = 9
     </spec>
 
-- name: MAX_PAYLOAD_SIZE
+- name: MAX_PAYLOAD_SIZE#phase0
   sources:
     - file: config/params/config.go
       search: MaxPayloadSize\s+uint64
@@ -377,7 +412,7 @@
     MAX_PAYLOAD_SIZE = 10485760
     </spec>
 
-- name: MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT
+- name: MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT#deneb
   sources:
     - file: config/params/config.go
       search: MaxPerEpochActivationChurnLimit\s+uint64
@@ -387,7 +422,7 @@
     MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: uint64 = 8
     </spec>
 
-- name: MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT
+- name: MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT#electra
   sources:
     - file: config/params/config.go
       search: MaxPerEpochActivationExitChurnLimit\s+uint64
@@ -397,7 +432,7 @@
     MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT: Gwei = 256000000000
     </spec>
 
-- name: MAX_REQUEST_BLOB_SIDECARS
+- name: MAX_REQUEST_BLOB_SIDECARS#deneb
   sources:
     - file: config/params/config.go
       search: MaxRequestBlobSidecars\s+uint64
@@ -407,7 +442,7 @@
     MAX_REQUEST_BLOB_SIDECARS = 768
     </spec>
 
-- name: MAX_REQUEST_BLOB_SIDECARS_ELECTRA
+- name: MAX_REQUEST_BLOB_SIDECARS_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MaxRequestBlobSidecarsElectra\s+uint64
@@ -417,7 +452,7 @@
     MAX_REQUEST_BLOB_SIDECARS_ELECTRA = 1152
     </spec>
 
-- name: MAX_REQUEST_BLOCKS
+- name: MAX_REQUEST_BLOCKS#phase0
   sources:
     - file: config/params/config.go
       search: MaxRequestBlocks\s+uint64
@@ -427,7 +462,7 @@
     MAX_REQUEST_BLOCKS = 1024
     </spec>
 
-- name: MAX_REQUEST_BLOCKS_DENEB
+- name: MAX_REQUEST_BLOCKS_DENEB#deneb
   sources:
     - file: config/params/config.go
       search: MaxRequestBlocksDeneb\s+uint64
@@ -437,7 +472,7 @@
     MAX_REQUEST_BLOCKS_DENEB = 128
     </spec>
 
-- name: MAX_REQUEST_DATA_COLUMN_SIDECARS
+- name: MAX_REQUEST_DATA_COLUMN_SIDECARS#fulu
   sources:
     - file: config/params/config.go
       search: MaxRequestDataColumnSidecars\s+uint64
@@ -447,7 +482,14 @@
     MAX_REQUEST_DATA_COLUMN_SIDECARS = 16384
     </spec>
 
-- name: MESSAGE_DOMAIN_INVALID_SNAPPY
+- name: MAX_REQUEST_PAYLOADS#gloas
+  sources: []
+  spec: |
+    <spec config_var="MAX_REQUEST_PAYLOADS" fork="gloas" hash="23399ee5">
+    MAX_REQUEST_PAYLOADS = 128
+    </spec>
+
+- name: MESSAGE_DOMAIN_INVALID_SNAPPY#phase0
   sources:
     - file: config/params/config.go
       search: MessageDomainInvalidSnappy\s+\[4\]byte
@@ -457,7 +499,7 @@
     MESSAGE_DOMAIN_INVALID_SNAPPY: DomainType = '0x00000000'
     </spec>
 
-- name: MESSAGE_DOMAIN_VALID_SNAPPY
+- name: MESSAGE_DOMAIN_VALID_SNAPPY#phase0
   sources:
     - file: config/params/config.go
       search: MessageDomainValidSnappy\s+\[4\]byte
@@ -467,7 +509,14 @@
     MESSAGE_DOMAIN_VALID_SNAPPY: DomainType = '0x01000000'
     </spec>
 
-- name: MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS
+- name: MIN_BUILDER_WITHDRAWABILITY_DELAY#gloas
+  sources: []
+  spec: |
+    <spec config_var="MIN_BUILDER_WITHDRAWABILITY_DELAY" fork="gloas" hash="d378428f">
+    MIN_BUILDER_WITHDRAWABILITY_DELAY: uint64 = 4096
+    </spec>
+
+- name: MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS#deneb
   sources:
     - file: config/params/config.go
       search: MinEpochsForBlobsSidecarsRequest\s+primitives.Epoch
@@ -477,7 +526,7 @@
     MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS = 4096
     </spec>
 
-- name: MIN_EPOCHS_FOR_BLOCK_REQUESTS
+- name: MIN_EPOCHS_FOR_BLOCK_REQUESTS#phase0
   sources:
     - file: config/params/config.go
       search: MinEpochsForBlockRequests\s+uint64
@@ -487,7 +536,7 @@
     MIN_EPOCHS_FOR_BLOCK_REQUESTS = 33024
     </spec>
 
-- name: MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS
+- name: MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS#fulu
   sources:
     - file: config/params/config.go
       search: MinEpochsForDataColumnSidecarsRequest\s+primitives.Epoch
@@ -497,7 +546,7 @@
     MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS = 4096
     </spec>
 
-- name: MIN_GENESIS_ACTIVE_VALIDATOR_COUNT
+- name: MIN_GENESIS_ACTIVE_VALIDATOR_COUNT#phase0
   sources:
     - file: config/params/config.go
       search: MinGenesisActiveValidatorCount\s+uint64
@@ -507,7 +556,7 @@
     MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: uint64 = 16384
     </spec>
 
-- name: MIN_GENESIS_TIME
+- name: MIN_GENESIS_TIME#phase0
   sources:
     - file: config/params/config.go
       search: MinGenesisTime\s+uint64
@@ -517,7 +566,7 @@
     MIN_GENESIS_TIME: uint64 = 1606824000
     </spec>
 
-- name: MIN_PER_EPOCH_CHURN_LIMIT
+- name: MIN_PER_EPOCH_CHURN_LIMIT#phase0
   sources:
     - file: config/params/config.go
       search: MinPerEpochChurnLimit\s+uint64
@@ -527,7 +576,7 @@
     MIN_PER_EPOCH_CHURN_LIMIT: uint64 = 4
     </spec>
 
-- name: MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA
+- name: MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MinPerEpochChurnLimitElectra\s+uint64
@@ -537,7 +586,7 @@
     MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: Gwei = 128000000000
     </spec>
 
-- name: MIN_VALIDATOR_WITHDRAWABILITY_DELAY
+- name: MIN_VALIDATOR_WITHDRAWABILITY_DELAY#phase0
   sources:
     - file: config/params/config.go
       search: MinValidatorWithdrawabilityDelay\s+primitives.Epoch
@@ -547,7 +596,7 @@
     MIN_VALIDATOR_WITHDRAWABILITY_DELAY: uint64 = 256
     </spec>
 
-- name: NUMBER_OF_CUSTODY_GROUPS
+- name: NUMBER_OF_CUSTODY_GROUPS#fulu
   sources:
     - file: config/params/config.go
       search: NumberOfCustodyGroups\s+uint64
@@ -557,7 +606,14 @@
     NUMBER_OF_CUSTODY_GROUPS = 128
     </spec>
 
-- name: PROPOSER_REORG_CUTOFF_BPS
+- name: PAYLOAD_ATTESTATION_DUE_BPS#gloas
+  sources: []
+  spec: |
+    <spec config_var="PAYLOAD_ATTESTATION_DUE_BPS" fork="gloas" hash="17307d0e">
+    PAYLOAD_ATTESTATION_DUE_BPS: uint64 = 7500
+    </spec>
+
+- name: PROPOSER_REORG_CUTOFF_BPS#phase0
   sources:
     - file: config/params/config.go
       search: ProposerReorgCutoffBPS\s+primitives.BP
@@ -567,7 +623,7 @@
     PROPOSER_REORG_CUTOFF_BPS: uint64 = 1667
     </spec>
 
-- name: PROPOSER_SCORE_BOOST
+- name: PROPOSER_SCORE_BOOST#phase0
   sources:
     - file: config/params/config.go
       search: ProposerScoreBoost\s+uint64
@@ -577,7 +633,7 @@
     PROPOSER_SCORE_BOOST: uint64 = 40
     </spec>
 
-- name: REORG_HEAD_WEIGHT_THRESHOLD
+- name: REORG_HEAD_WEIGHT_THRESHOLD#phase0
   sources:
     - file: config/params/config.go
       search: ReorgHeadWeightThreshold\s+uint64
@@ -587,7 +643,7 @@
     REORG_HEAD_WEIGHT_THRESHOLD: uint64 = 20
     </spec>
 
-- name: REORG_MAX_EPOCHS_SINCE_FINALIZATION
+- name: REORG_MAX_EPOCHS_SINCE_FINALIZATION#phase0
   sources:
     - file: config/params/config.go
       search: ReorgMaxEpochsSinceFinalization\s+primitives.Epoch
@@ -597,7 +653,7 @@
     REORG_MAX_EPOCHS_SINCE_FINALIZATION: Epoch = 2
     </spec>
 
-- name: REORG_PARENT_WEIGHT_THRESHOLD
+- name: REORG_PARENT_WEIGHT_THRESHOLD#phase0
   sources:
     - file: config/params/config.go
       search: ReorgParentWeightThreshold\s+uint64
@@ -607,7 +663,7 @@
     REORG_PARENT_WEIGHT_THRESHOLD: uint64 = 160
     </spec>
 
-- name: SAMPLES_PER_SLOT
+- name: SAMPLES_PER_SLOT#fulu
   sources:
     - file: config/params/config.go
       search: SamplesPerSlot\s+uint64
@@ -617,7 +673,7 @@
     SAMPLES_PER_SLOT = 8
     </spec>
 
-- name: SECONDS_PER_ETH1_BLOCK
+- name: SECONDS_PER_ETH1_BLOCK#phase0
   sources:
     - file: config/params/config.go
       search: SecondsPerETH1Block\s+uint64
@@ -627,7 +683,7 @@
     SECONDS_PER_ETH1_BLOCK: uint64 = 14
     </spec>
 
-- name: SECONDS_PER_SLOT
+- name: SECONDS_PER_SLOT#phase0
   sources:
     - file: config/params/config.go
       search: SecondsPerSlot\s+uint64
@@ -637,7 +693,7 @@
     SECONDS_PER_SLOT: uint64 = 12
     </spec>
 
-- name: SHARD_COMMITTEE_PERIOD
+- name: SHARD_COMMITTEE_PERIOD#phase0
   sources:
     - file: config/params/config.go
       search: ShardCommitteePeriod\s+primitives.Epoch
@@ -647,7 +703,7 @@
     SHARD_COMMITTEE_PERIOD: uint64 = 256
     </spec>
 
-- name: SLOT_DURATION_MS
+- name: SLOT_DURATION_MS#phase0
   sources:
     - file: config/params/config.go
       search: SlotDurationMilliseconds\s+uint64
@@ -657,7 +713,7 @@
     SLOT_DURATION_MS: uint64 = 12000
     </spec>
 
-- name: SUBNETS_PER_NODE
+- name: SUBNETS_PER_NODE#phase0
   sources:
     - file: config/params/config.go
       search: SubnetsPerNode\s+uint64
@@ -667,7 +723,7 @@
     SUBNETS_PER_NODE = 2
     </spec>
 
-- name: SYNC_MESSAGE_DUE_BPS
+- name: SYNC_MESSAGE_DUE_BPS#altair
   sources:
     - file: config/params/config.go
       search: SyncMessageDueBPS\s+primitives.BP
@@ -677,7 +733,14 @@
     SYNC_MESSAGE_DUE_BPS: uint64 = 3333
     </spec>
 
-- name: TERMINAL_BLOCK_HASH
+- name: SYNC_MESSAGE_DUE_BPS_GLOAS#gloas
+  sources: []
+  spec: |
+    <spec config_var="SYNC_MESSAGE_DUE_BPS_GLOAS" fork="gloas" hash="47f14d95">
+    SYNC_MESSAGE_DUE_BPS_GLOAS: uint64 = 2500
+    </spec>
+
+- name: TERMINAL_BLOCK_HASH#bellatrix
   sources:
     - file: config/params/config.go
       search: TerminalBlockHash\s+common.Hash
@@ -687,7 +750,7 @@
     TERMINAL_BLOCK_HASH: Hash32 = '0x0000000000000000000000000000000000000000000000000000000000000000'
     </spec>
 
-- name: TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH
+- name: TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH#bellatrix
   sources:
     - file: config/params/config.go
       search: TerminalBlockHashActivationEpoch\s+primitives.Epoch
@@ -697,7 +760,7 @@
     TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH = 18446744073709551615
     </spec>
 
-- name: TERMINAL_TOTAL_DIFFICULTY
+- name: TERMINAL_TOTAL_DIFFICULTY#bellatrix
   sources:
     - file: config/params/config.go
       search: TerminalTotalDifficulty\s+string
@@ -707,7 +770,7 @@
     TERMINAL_TOTAL_DIFFICULTY = 58750000000000000000000
     </spec>
 
-- name: VALIDATOR_CUSTODY_REQUIREMENT
+- name: VALIDATOR_CUSTODY_REQUIREMENT#fulu
   sources:
     - file: config/params/config.go
       search: ValidatorCustodyRequirement\s+uint64

specrefs/containers.yml

@@ -50,7 +50,7 @@
         committee_bits: Bitvector[MAX_COMMITTEES_PER_SLOT]
     </spec>
 
-- name: AttestationData
+- name: AttestationData#phase0
   sources:
     - file: proto/eth/v1/attestation.proto
       search: message AttestationData {
@@ -88,7 +88,7 @@
         attestation_2: IndexedAttestation
     </spec>
 
-- name: BLSToExecutionChange
+- name: BLSToExecutionChange#capella
   sources:
     - file: proto/prysm/v1alpha1/withdrawals.proto
       search: message BLSToExecutionChange {
@@ -100,7 +100,7 @@
         to_execution_address: ExecutionAddress
     </spec>
 
-- name: BeaconBlock
+- name: BeaconBlock#phase0
   sources:
     - file: proto/eth/v1/beacon_block.proto
       search: message BeaconBlock {
@@ -239,7 +239,34 @@
         execution_requests: ExecutionRequests
     </spec>
 
-- name: BeaconBlockHeader
+- name: BeaconBlockBody#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="BeaconBlockBody" fork="gloas" hash="7e472a77">
+    class BeaconBlockBody(Container):
+        randao_reveal: BLSSignature
+        eth1_data: Eth1Data
+        graffiti: Bytes32
+        proposer_slashings: List[ProposerSlashing, MAX_PROPOSER_SLASHINGS]
+        attester_slashings: List[AttesterSlashing, MAX_ATTESTER_SLASHINGS_ELECTRA]
+        attestations: List[Attestation, MAX_ATTESTATIONS_ELECTRA]
+        deposits: List[Deposit, MAX_DEPOSITS]
+        voluntary_exits: List[SignedVoluntaryExit, MAX_VOLUNTARY_EXITS]
+        sync_aggregate: SyncAggregate
+        # [Modified in Gloas:EIP7732]
+        # Removed `execution_payload`
+        bls_to_execution_changes: List[SignedBLSToExecutionChange, MAX_BLS_TO_EXECUTION_CHANGES]
+        # [Modified in Gloas:EIP7732]
+        # Removed `blob_kzg_commitments`
+        # [Modified in Gloas:EIP7732]
+        # Removed `execution_requests`
+        # [New in Gloas:EIP7732]
+        signed_execution_payload_bid: SignedExecutionPayloadBid
+        # [New in Gloas:EIP7732]
+        payload_attestations: List[PayloadAttestation, MAX_PAYLOAD_ATTESTATIONS]
+    </spec>
+
+- name: BeaconBlockHeader#phase0
   sources:
     - file: proto/eth/v1/beacon_block.proto
       search: message BeaconBlockHeader {
@@ -538,7 +565,69 @@
         proposer_lookahead: Vector[ValidatorIndex, (MIN_SEED_LOOKAHEAD + 1) * SLOTS_PER_EPOCH]
     </spec>
 
-- name: BlobIdentifier
+- name: BeaconState#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="BeaconState" fork="gloas" hash="c33b0db2">
+    class BeaconState(Container):
+        genesis_time: uint64
+        genesis_validators_root: Root
+        slot: Slot
+        fork: Fork
+        latest_block_header: BeaconBlockHeader
+        block_roots: Vector[Root, SLOTS_PER_HISTORICAL_ROOT]
+        state_roots: Vector[Root, SLOTS_PER_HISTORICAL_ROOT]
+        historical_roots: List[Root, HISTORICAL_ROOTS_LIMIT]
+        eth1_data: Eth1Data
+        eth1_data_votes: List[Eth1Data, EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH]
+        eth1_deposit_index: uint64
+        validators: List[Validator, VALIDATOR_REGISTRY_LIMIT]
+        balances: List[Gwei, VALIDATOR_REGISTRY_LIMIT]
+        randao_mixes: Vector[Bytes32, EPOCHS_PER_HISTORICAL_VECTOR]
+        slashings: Vector[Gwei, EPOCHS_PER_SLASHINGS_VECTOR]
+        previous_epoch_participation: List[ParticipationFlags, VALIDATOR_REGISTRY_LIMIT]
+        current_epoch_participation: List[ParticipationFlags, VALIDATOR_REGISTRY_LIMIT]
+        justification_bits: Bitvector[JUSTIFICATION_BITS_LENGTH]
+        previous_justified_checkpoint: Checkpoint
+        current_justified_checkpoint: Checkpoint
+        finalized_checkpoint: Checkpoint
+        inactivity_scores: List[uint64, VALIDATOR_REGISTRY_LIMIT]
+        current_sync_committee: SyncCommittee
+        next_sync_committee: SyncCommittee
+        # [Modified in Gloas:EIP7732]
+        # Removed `latest_execution_payload_header`
+        # [New in Gloas:EIP7732]
+        latest_execution_payload_bid: ExecutionPayloadBid
+        next_withdrawal_index: WithdrawalIndex
+        next_withdrawal_validator_index: ValidatorIndex
+        historical_summaries: List[HistoricalSummary, HISTORICAL_ROOTS_LIMIT]
+        deposit_requests_start_index: uint64
+        deposit_balance_to_consume: Gwei
+        exit_balance_to_consume: Gwei
+        earliest_exit_epoch: Epoch
+        consolidation_balance_to_consume: Gwei
+        earliest_consolidation_epoch: Epoch
+        pending_deposits: List[PendingDeposit, PENDING_DEPOSITS_LIMIT]
+        pending_partial_withdrawals: List[PendingPartialWithdrawal, PENDING_PARTIAL_WITHDRAWALS_LIMIT]
+        pending_consolidations: List[PendingConsolidation, PENDING_CONSOLIDATIONS_LIMIT]
+        proposer_lookahead: Vector[ValidatorIndex, (MIN_SEED_LOOKAHEAD + 1) * SLOTS_PER_EPOCH]
+        # [New in Gloas:EIP7732]
+        builders: List[Builder, BUILDER_REGISTRY_LIMIT]
+        # [New in Gloas:EIP7732]
+        next_withdrawal_builder_index: BuilderIndex
+        # [New in Gloas:EIP7732]
+        execution_payload_availability: Bitvector[SLOTS_PER_HISTORICAL_ROOT]
+        # [New in Gloas:EIP7732]
+        builder_pending_payments: Vector[BuilderPendingPayment, 2 * SLOTS_PER_EPOCH]
+        # [New in Gloas:EIP7732]
+        builder_pending_withdrawals: List[BuilderPendingWithdrawal, BUILDER_PENDING_WITHDRAWALS_LIMIT]
+        # [New in Gloas:EIP7732]
+        latest_block_hash: Hash32
+        # [New in Gloas:EIP7732]
+        payload_expected_withdrawals: List[Withdrawal, MAX_WITHDRAWALS_PER_PAYLOAD]
+    </spec>
+
+- name: BlobIdentifier#deneb
   sources:
     - file: proto/prysm/v1alpha1/blobs.proto
       search: message BlobIdentifier {
@@ -549,7 +638,7 @@
         index: BlobIndex
     </spec>
 
-- name: BlobSidecar
+- name: BlobSidecar#deneb
   sources:
     - file: proto/prysm/v1alpha1/beacon_block.proto
       search: message BlobSidecar {
@@ -564,7 +653,39 @@
         kzg_commitment_inclusion_proof: Vector[Bytes32, KZG_COMMITMENT_INCLUSION_PROOF_DEPTH]
     </spec>
 
-- name: Checkpoint
+- name: Builder#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="Builder" fork="gloas" hash="ae177179">
+    class Builder(Container):
+        pubkey: BLSPubkey
+        version: uint8
+        execution_address: ExecutionAddress
+        balance: Gwei
+        deposit_epoch: Epoch
+        withdrawable_epoch: Epoch
+    </spec>
+
+- name: BuilderPendingPayment#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="BuilderPendingPayment" fork="gloas" hash="73cf1649">
+    class BuilderPendingPayment(Container):
+        weight: Gwei
+        withdrawal: BuilderPendingWithdrawal
+    </spec>
+
+- name: BuilderPendingWithdrawal#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="BuilderPendingWithdrawal" fork="gloas" hash="0579f0ac">
+    class BuilderPendingWithdrawal(Container):
+        fee_recipient: ExecutionAddress
+        amount: Gwei
+        builder_index: BuilderIndex
+    </spec>
+
+- name: Checkpoint#phase0
   sources:
     - file: proto/eth/v1/attestation.proto
       search: message Checkpoint {
@@ -575,7 +696,7 @@
         root: Root
     </spec>
 
-- name: ConsolidationRequest
+- name: ConsolidationRequest#electra
   sources:
     - file: proto/engine/v1/electra.proto
       search: message ConsolidationRequest {
@@ -587,7 +708,7 @@
         target_pubkey: BLSPubkey
     </spec>
 
-- name: ContributionAndProof
+- name: ContributionAndProof#altair
   sources:
     - file: proto/prysm/v1alpha1/sync_committee.proto
       search: message ContributionAndProof {
@@ -599,7 +720,7 @@
         selection_proof: BLSSignature
     </spec>
 
-- name: DataColumnSidecar
+- name: DataColumnSidecar#fulu
   sources:
     - file: proto/prysm/v1alpha1/data_columns.proto
       search: message DataColumnSidecar {
@@ -614,7 +735,26 @@
         kzg_commitments_inclusion_proof: Vector[Bytes32, KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH]
     </spec>
 
-- name: DataColumnsByRootIdentifier
+- name: DataColumnSidecar#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="DataColumnSidecar" fork="gloas" hash="8028928b">
+    class DataColumnSidecar(Container):
+        index: ColumnIndex
+        column: List[Cell, MAX_BLOB_COMMITMENTS_PER_BLOCK]
+        kzg_commitments: List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]
+        kzg_proofs: List[KZGProof, MAX_BLOB_COMMITMENTS_PER_BLOCK]
+        # [Modified in Gloas:EIP7732]
+        # Removed `signed_block_header`
+        # [Modified in Gloas:EIP7732]
+        # Removed `kzg_commitments_inclusion_proof`
+        # [New in Gloas:EIP7732]
+        slot: Slot
+        # [New in Gloas:EIP7732]
+        beacon_block_root: Root
+    </spec>
+
+- name: DataColumnsByRootIdentifier#fulu
   sources:
     - file: proto/prysm/v1alpha1/data_columns.proto
       search: message DataColumnsByRootIdentifier {
@@ -625,7 +765,7 @@
         columns: List[ColumnIndex, NUMBER_OF_COLUMNS]
     </spec>
 
-- name: Deposit
+- name: Deposit#phase0
   sources:
     - file: proto/eth/v1/beacon_block.proto
       search: message Deposit {
@@ -636,7 +776,7 @@
         data: DepositData
     </spec>
 
-- name: DepositData
+- name: DepositData#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message Data {
@@ -649,7 +789,7 @@
         signature: BLSSignature
     </spec>
 
-- name: DepositMessage
+- name: DepositMessage#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message DepositMessage {
@@ -661,7 +801,7 @@
         amount: Gwei
     </spec>
 
-- name: DepositRequest
+- name: DepositRequest#electra
   sources:
     - file: proto/engine/v1/electra.proto
       search: message DepositRequest {
@@ -675,7 +815,17 @@
         index: uint64
     </spec>
 
-- name: Eth1Data
+- name: Eth1Block#phase0
+  sources: []
+  spec: |
+    <spec ssz_object="Eth1Block" fork="phase0" hash="0a5c6b45">
+    class Eth1Block(Container):
+        timestamp: uint64
+        deposit_root: Root
+        deposit_count: uint64
+    </spec>
+
+- name: Eth1Data#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message Eth1Data {
@@ -763,6 +913,38 @@
         excess_blob_gas: uint64
     </spec>
 
+- name: ExecutionPayloadBid#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="ExecutionPayloadBid" fork="gloas" hash="aa71ba16">
+    class ExecutionPayloadBid(Container):
+        parent_block_hash: Hash32
+        parent_block_root: Root
+        block_hash: Hash32
+        prev_randao: Bytes32
+        fee_recipient: ExecutionAddress
+        gas_limit: uint64
+        builder_index: BuilderIndex
+        slot: Slot
+        value: Gwei
+        execution_payment: Gwei
+        blob_kzg_commitments_root: Root
+    </spec>
+
+- name: ExecutionPayloadEnvelope#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="ExecutionPayloadEnvelope" fork="gloas" hash="cd522f7f">
+    class ExecutionPayloadEnvelope(Container):
+        payload: ExecutionPayload
+        execution_requests: ExecutionRequests
+        builder_index: BuilderIndex
+        beacon_block_root: Root
+        slot: Slot
+        blob_kzg_commitments: List[KZGCommitment, MAX_BLOB_COMMITMENTS_PER_BLOCK]
+        state_root: Root
+    </spec>
+
 - name: ExecutionPayloadHeader#bellatrix
   sources:
     - file: proto/engine/v1/execution_engine.proto
@@ -839,7 +1021,7 @@
         excess_blob_gas: uint64
     </spec>
 
-- name: ExecutionRequests
+- name: ExecutionRequests#electra
   sources:
     - file: proto/engine/v1/electra.proto
       search: message ExecutionRequests {
@@ -854,7 +1036,7 @@
         consolidations: List[ConsolidationRequest, MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD]
     </spec>
 
-- name: Fork
+- name: Fork#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message Fork {
@@ -866,7 +1048,16 @@
         epoch: Epoch
     </spec>
 
-- name: ForkData
+- name: ForkChoiceNode#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="ForkChoiceNode" fork="gloas" hash="755a4b34">
+    class ForkChoiceNode(Container):
+        root: Root
+        payload_status: PayloadStatus  # One of PAYLOAD_STATUS_* values
+    </spec>
+
+- name: ForkData#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message ForkData {
@@ -877,7 +1068,7 @@
         genesis_validators_root: Root
     </spec>
 
-- name: HistoricalBatch
+- name: HistoricalBatch#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message HistoricalBatch {
@@ -888,7 +1079,7 @@
         state_roots: Vector[Root, SLOTS_PER_HISTORICAL_ROOT]
     </spec>
 
-- name: HistoricalSummary
+- name: HistoricalSummary#capella
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message HistoricalSummary {
@@ -924,7 +1115,17 @@
         signature: BLSSignature
     </spec>
 
-- name: LightClientBootstrap
+- name: IndexedPayloadAttestation#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="IndexedPayloadAttestation" fork="gloas" hash="fa4832c8">
+    class IndexedPayloadAttestation(Container):
+        attesting_indices: List[ValidatorIndex, PTC_SIZE]
+        data: PayloadAttestationData
+        signature: BLSSignature
+    </spec>
+
+- name: LightClientBootstrap#altair
   sources:
     - file: proto/prysm/v1alpha1/light_client.proto
       search: message LightClientBootstrapAltair {
@@ -938,7 +1139,18 @@
         current_sync_committee_branch: CurrentSyncCommitteeBranch
     </spec>
 
-- name: LightClientFinalityUpdate
+- name: LightClientBootstrap#capella
+  sources: []
+  spec: |
+    <spec ssz_object="LightClientBootstrap" fork="capella" hash="85f4f5fe">
+    class LightClientBootstrap(Container):
+        # [Modified in Capella]
+        header: LightClientHeader
+        current_sync_committee: SyncCommittee
+        current_sync_committee_branch: CurrentSyncCommitteeBranch
+    </spec>
+
+- name: LightClientFinalityUpdate#altair
   sources:
     - file: proto/prysm/v1alpha1/light_client.proto
       search: message LightClientFinalityUpdateAltair {
@@ -956,6 +1168,20 @@
         signature_slot: Slot
     </spec>
 
+- name: LightClientFinalityUpdate#capella
+  sources: []
+  spec: |
+    <spec ssz_object="LightClientFinalityUpdate" fork="capella" hash="9d2b55dd">
+    class LightClientFinalityUpdate(Container):
+        # [Modified in Capella]
+        attested_header: LightClientHeader
+        # [Modified in Capella]
+        finalized_header: LightClientHeader
+        finality_branch: FinalityBranch
+        sync_aggregate: SyncAggregate
+        signature_slot: Slot
+    </spec>
+
 - name: LightClientHeader#altair
   sources:
     - file: proto/prysm/v1alpha1/light_client.proto
@@ -980,7 +1206,7 @@
         execution_branch: ExecutionBranch
     </spec>
 
-- name: LightClientOptimisticUpdate
+- name: LightClientOptimisticUpdate#altair
   sources:
     - file: proto/prysm/v1alpha1/light_client.proto
       search: message LightClientOptimisticUpdateAltair {
@@ -995,7 +1221,18 @@
         signature_slot: Slot
     </spec>
 
-- name: LightClientUpdate
+- name: LightClientOptimisticUpdate#capella
+  sources: []
+  spec: |
+    <spec ssz_object="LightClientOptimisticUpdate" fork="capella" hash="bdce7b1d">
+    class LightClientOptimisticUpdate(Container):
+        # [Modified in Capella]
+        attested_header: LightClientHeader
+        sync_aggregate: SyncAggregate
+        signature_slot: Slot
+    </spec>
+
+- name: LightClientUpdate#altair
   sources:
     - file: proto/prysm/v1alpha1/light_client.proto
       search: message LightClientUpdateAltair {
@@ -1016,7 +1253,65 @@
         signature_slot: Slot
     </spec>
 
-- name: PendingAttestation
+- name: LightClientUpdate#capella
+  sources: []
+  spec: |
+    <spec ssz_object="LightClientUpdate" fork="capella" hash="8d215165">
+    class LightClientUpdate(Container):
+        # [Modified in Capella]
+        attested_header: LightClientHeader
+        next_sync_committee: SyncCommittee
+        next_sync_committee_branch: NextSyncCommitteeBranch
+        # [Modified in Capella]
+        finalized_header: LightClientHeader
+        finality_branch: FinalityBranch
+        sync_aggregate: SyncAggregate
+        signature_slot: Slot
+    </spec>
+
+- name: MatrixEntry#fulu
+  sources: []
+  spec: |
+    <spec ssz_object="MatrixEntry" fork="fulu" hash="0da9cc8e">
+    class MatrixEntry(Container):
+        cell: Cell
+        kzg_proof: KZGProof
+        column_index: ColumnIndex
+        row_index: RowIndex
+    </spec>
+
+- name: PayloadAttestation#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="PayloadAttestation" fork="gloas" hash="c769473d">
+    class PayloadAttestation(Container):
+        aggregation_bits: Bitvector[PTC_SIZE]
+        data: PayloadAttestationData
+        signature: BLSSignature
+    </spec>
+
+- name: PayloadAttestationData#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="PayloadAttestationData" fork="gloas" hash="9f1b7f92">
+    class PayloadAttestationData(Container):
+        beacon_block_root: Root
+        slot: Slot
+        payload_present: boolean
+        blob_data_available: boolean
+    </spec>
+
+- name: PayloadAttestationMessage#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="PayloadAttestationMessage" fork="gloas" hash="3707678d">
+    class PayloadAttestationMessage(Container):
+        validator_index: ValidatorIndex
+        data: PayloadAttestationData
+        signature: BLSSignature
+    </spec>
+
+- name: PendingAttestation#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message PendingAttestation {
@@ -1029,7 +1324,7 @@
         proposer_index: ValidatorIndex
     </spec>
 
-- name: PendingConsolidation
+- name: PendingConsolidation#electra
   sources:
     - file: proto/prysm/v1alpha1/eip_7251.proto
       search: message PendingConsolidation {
@@ -1040,7 +1335,7 @@
         target_index: ValidatorIndex
     </spec>
 
-- name: PendingDeposit
+- name: PendingDeposit#electra
   sources:
     - file: proto/prysm/v1alpha1/eip_7251.proto
       search: message PendingDeposit {
@@ -1054,7 +1349,7 @@
         slot: Slot
     </spec>
 
-- name: PendingPartialWithdrawal
+- name: PendingPartialWithdrawal#electra
   sources:
     - file: proto/prysm/v1alpha1/eip_7251.proto
       search: message PendingPartialWithdrawal {
@@ -1066,7 +1361,7 @@
         withdrawable_epoch: Epoch
     </spec>
 
-- name: PowBlock
+- name: PowBlock#bellatrix
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message PowBlock {
@@ -1078,7 +1373,18 @@
         total_difficulty: uint256
     </spec>
 
-- name: ProposerSlashing
+- name: ProposerPreferences#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="ProposerPreferences" fork="gloas" hash="2a38b149">
+    class ProposerPreferences(Container):
+        proposal_slot: Slot
+        validator_index: ValidatorIndex
+        fee_recipient: ExecutionAddress
+        gas_limit: uint64
+    </spec>
+
+- name: ProposerSlashing#phase0
   sources:
     - file: proto/eth/v1/beacon_block.proto
       search: message ProposerSlashing {
@@ -1112,7 +1418,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SignedBLSToExecutionChange
+- name: SignedBLSToExecutionChange#capella
   sources:
     - file: proto/prysm/v1alpha1/withdrawals.proto
       search: message SignedBLSToExecutionChange {
@@ -1123,7 +1429,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SignedBeaconBlock
+- name: SignedBeaconBlock#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_block.proto
       search: message SignedBeaconBlock {
@@ -1134,7 +1440,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SignedBeaconBlockHeader
+- name: SignedBeaconBlockHeader#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message SignedBeaconBlockHeader {
@@ -1145,7 +1451,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SignedContributionAndProof
+- name: SignedContributionAndProof#altair
   sources:
     - file: proto/prysm/v1alpha1/sync_committee.proto
       search: message SignedContributionAndProof {
@@ -1156,7 +1462,34 @@
         signature: BLSSignature
     </spec>
 
-- name: SignedVoluntaryExit
+- name: SignedExecutionPayloadBid#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="SignedExecutionPayloadBid" fork="gloas" hash="6b344341">
+    class SignedExecutionPayloadBid(Container):
+        message: ExecutionPayloadBid
+        signature: BLSSignature
+    </spec>
+
+- name: SignedExecutionPayloadEnvelope#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="SignedExecutionPayloadEnvelope" fork="gloas" hash="ab8f3404">
+    class SignedExecutionPayloadEnvelope(Container):
+        message: ExecutionPayloadEnvelope
+        signature: BLSSignature
+    </spec>
+
+- name: SignedProposerPreferences#gloas
+  sources: []
+  spec: |
+    <spec ssz_object="SignedProposerPreferences" fork="gloas" hash="2142774c">
+    class SignedProposerPreferences(Container):
+        message: ProposerPreferences
+        signature: BLSSignature
+    </spec>
+
+- name: SignedVoluntaryExit#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message SignedVoluntaryExit {
@@ -1167,7 +1500,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SigningData
+- name: SigningData#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message SigningData {
@@ -1178,7 +1511,7 @@
         domain: Domain
     </spec>
 
-- name: SingleAttestation
+- name: SingleAttestation#electra
   sources:
     - file: proto/prysm/v1alpha1/attestation.proto
       search: message SingleAttestation {
@@ -1191,7 +1524,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SyncAggregate
+- name: SyncAggregate#altair
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message SyncAggregate {
@@ -1202,7 +1535,7 @@
         sync_committee_signature: BLSSignature
     </spec>
 
-- name: SyncAggregatorSelectionData
+- name: SyncAggregatorSelectionData#altair
   sources:
     - file: proto/prysm/v1alpha1/beacon_state.proto
       search: message SyncAggregatorSelectionData {
@@ -1213,7 +1546,7 @@
         subcommittee_index: uint64
     </spec>
 
-- name: SyncCommittee
+- name: SyncCommittee#altair
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message SyncCommittee {
@@ -1224,7 +1557,7 @@
         aggregate_pubkey: BLSPubkey
     </spec>
 
-- name: SyncCommitteeContribution
+- name: SyncCommitteeContribution#altair
   sources:
     - file: proto/prysm/v1alpha1/sync_committee.proto
       search: message SyncCommitteeContribution {
@@ -1238,7 +1571,7 @@
         signature: BLSSignature
     </spec>
 
-- name: SyncCommitteeMessage
+- name: SyncCommitteeMessage#altair
   sources:
     - file: proto/prysm/v1alpha1/sync_committee.proto
       search: message SyncCommitteeMessage {
@@ -1251,7 +1584,7 @@
         signature: BLSSignature
     </spec>
 
-- name: Validator
+- name: Validator#phase0
   sources:
     - file: proto/prysm/v1alpha1/beacon_core_types.proto
       search: message Validator {
@@ -1268,7 +1601,7 @@
         withdrawable_epoch: Epoch
     </spec>
 
-- name: VoluntaryExit
+- name: VoluntaryExit#phase0
   sources:
     - file: proto/eth/v1/beacon_block.proto
       search: message VoluntaryExit {
@@ -1279,7 +1612,7 @@
         validator_index: ValidatorIndex
     </spec>
 
-- name: Withdrawal
+- name: Withdrawal#capella
   sources:
     - file: proto/engine/v1/execution_engine.proto
       search: message Withdrawal {
@@ -1292,7 +1625,7 @@
         amount: Gwei
     </spec>
 
-- name: WithdrawalRequest
+- name: WithdrawalRequest#electra
   sources:
     - file: proto/engine/v1/electra.proto
       search: message WithdrawalRequest {

specrefs/dataclasses.yml

@@ -1,4 +1,4 @@
-- name: BlobParameters
+- name: BlobParameters#fulu
   sources: []
   spec: |
     <spec dataclass="BlobParameters" fork="fulu" hash="a4575aa8">
@@ -54,6 +54,20 @@
         processed_sweep_withdrawals_count: uint64
     </spec>
 
+- name: ExpectedWithdrawals#gloas
+  sources: []
+  spec: |
+    <spec dataclass="ExpectedWithdrawals" fork="gloas" hash="b32cc9c9">
+    class ExpectedWithdrawals(object):
+        withdrawals: Sequence[Withdrawal]
+        # [New in Gloas:EIP7732]
+        processed_builder_withdrawals_count: uint64
+        processed_partial_withdrawals_count: uint64
+        # [New in Gloas:EIP7732]
+        processed_builders_sweep_count: uint64
+        processed_sweep_withdrawals_count: uint64
+    </spec>
+
 - name: GetPayloadResponse#bellatrix
   sources:
     - file: consensus-types/blocks/get_payload.go
@@ -126,7 +140,7 @@
         execution_requests: Sequence[bytes]
     </spec>
 
-- name: LatestMessage
+- name: LatestMessage#phase0
   sources: []
   spec: |
     <spec dataclass="LatestMessage" fork="phase0" hash="44e832d0">
@@ -136,7 +150,18 @@
         root: Root
     </spec>
 
-- name: LightClientStore
+- name: LatestMessage#gloas
+  sources: []
+  spec: |
+    <spec dataclass="LatestMessage" fork="gloas" hash="a0030894">
+    @dataclass(eq=True, frozen=True)
+    class LatestMessage(object):
+        slot: Slot
+        root: Root
+        payload_present: boolean
+    </spec>
+
+- name: LightClientStore#altair
   sources: []
   spec: |
     <spec dataclass="LightClientStore" fork="altair" hash="24725cec">
@@ -155,6 +180,23 @@
         current_max_active_participants: uint64
     </spec>
 
+- name: LightClientStore#capella
+  sources: []
+  spec: |
+    <spec dataclass="LightClientStore" fork="capella" hash="04b41062">
+    class LightClientStore(object):
+        # [Modified in Capella]
+        finalized_header: LightClientHeader
+        current_sync_committee: SyncCommittee
+        next_sync_committee: SyncCommittee
+        # [Modified in Capella]
+        best_valid_update: Optional[LightClientUpdate]
+        # [Modified in Capella]
+        optimistic_header: LightClientHeader
+        previous_max_active_participants: uint64
+        current_max_active_participants: uint64
+    </spec>
+
 - name: NewPayloadRequest#bellatrix
   sources:
     - file: beacon-chain/execution/engine_client.go
@@ -191,7 +233,7 @@
         execution_requests: ExecutionRequests
     </spec>
 
-- name: OptimisticStore
+- name: OptimisticStore#bellatrix
   sources: []
   spec: |
     <spec dataclass="OptimisticStore" fork="bellatrix" hash="a2b2182c">
@@ -246,7 +288,7 @@
         parent_beacon_block_root: Root
     </spec>
 
-- name: Store
+- name: Store#phase0
   sources: []
   spec: |
     <spec dataclass="Store" fork="phase0" hash="abe525d6">
@@ -266,3 +308,30 @@
         latest_messages: Dict[ValidatorIndex, LatestMessage] = field(default_factory=dict)
         unrealized_justifications: Dict[Root, Checkpoint] = field(default_factory=dict)
     </spec>
+
+- name: Store#gloas
+  sources: []
+  spec: |
+    <spec dataclass="Store" fork="gloas" hash="4dbfec46">
+    class Store(object):
+        time: uint64
+        genesis_time: uint64
+        justified_checkpoint: Checkpoint
+        finalized_checkpoint: Checkpoint
+        unrealized_justified_checkpoint: Checkpoint
+        unrealized_finalized_checkpoint: Checkpoint
+        proposer_boost_root: Root
+        equivocating_indices: Set[ValidatorIndex]
+        blocks: Dict[Root, BeaconBlock] = field(default_factory=dict)
+        block_states: Dict[Root, BeaconState] = field(default_factory=dict)
+        block_timeliness: Dict[Root, Vector[boolean, NUM_BLOCK_TIMELINESS_DEADLINES]] = field(
+            default_factory=dict
+        )
+        checkpoint_states: Dict[Checkpoint, BeaconState] = field(default_factory=dict)
+        latest_messages: Dict[ValidatorIndex, LatestMessage] = field(default_factory=dict)
+        unrealized_justifications: Dict[Root, Checkpoint] = field(default_factory=dict)
+        # [New in Gloas:EIP7732]
+        execution_payload_states: Dict[Root, BeaconState] = field(default_factory=dict)
+        # [New in Gloas:EIP7732]
+        ptc_vote: Dict[Root, Vector[boolean, PTC_SIZE]] = field(default_factory=dict)
+    </spec>

specrefs/presets.yml

@@ -1,4 +1,4 @@
-- name: BASE_REWARD_FACTOR
+- name: BASE_REWARD_FACTOR#phase0
   sources:
     - file: config/params/config.go
       search: BaseRewardFactor\s+.*yaml:"BASE_REWARD_FACTOR"
@@ -8,7 +8,21 @@
     BASE_REWARD_FACTOR: uint64 = 64
     </spec>
 
-- name: BYTES_PER_LOGS_BLOOM
+- name: BUILDER_PENDING_WITHDRAWALS_LIMIT#gloas
+  sources: []
+  spec: |
+    <spec preset_var="BUILDER_PENDING_WITHDRAWALS_LIMIT" fork="gloas" hash="40b31377">
+    BUILDER_PENDING_WITHDRAWALS_LIMIT: uint64 = 1048576
+    </spec>
+
+- name: BUILDER_REGISTRY_LIMIT#gloas
+  sources: []
+  spec: |
+    <spec preset_var="BUILDER_REGISTRY_LIMIT" fork="gloas" hash="e951ff73">
+    BUILDER_REGISTRY_LIMIT: uint64 = 1099511627776
+    </spec>
+
+- name: BYTES_PER_LOGS_BLOOM#bellatrix
   sources:
     - file: config/params/config.go
       search: BytesPerLogsBloom\s+.*yaml:"BYTES_PER_LOGS_BLOOM"
@@ -18,7 +32,7 @@
     BYTES_PER_LOGS_BLOOM: uint64 = 256
     </spec>
 
-- name: CELLS_PER_EXT_BLOB
+- name: CELLS_PER_EXT_BLOB#fulu
   sources:
     - file: beacon-chain/rpc/eth/config/handlers.go
       search: data\["CELLS_PER_EXT_BLOB"\]
@@ -28,7 +42,7 @@
     CELLS_PER_EXT_BLOB = 128
     </spec>
 
-- name: EFFECTIVE_BALANCE_INCREMENT
+- name: EFFECTIVE_BALANCE_INCREMENT#phase0
   sources:
     - file: config/params/config.go
       search: EffectiveBalanceIncrement\s+.*yaml:"EFFECTIVE_BALANCE_INCREMENT"
@@ -38,7 +52,7 @@
     EFFECTIVE_BALANCE_INCREMENT: Gwei = 1000000000
     </spec>
 
-- name: EPOCHS_PER_ETH1_VOTING_PERIOD
+- name: EPOCHS_PER_ETH1_VOTING_PERIOD#phase0
   sources:
     - file: config/params/config.go
       search: EpochsPerEth1VotingPeriod\s+.*yaml:"EPOCHS_PER_ETH1_VOTING_PERIOD"
@@ -48,7 +62,7 @@
     EPOCHS_PER_ETH1_VOTING_PERIOD: uint64 = 64
     </spec>
 
-- name: EPOCHS_PER_HISTORICAL_VECTOR
+- name: EPOCHS_PER_HISTORICAL_VECTOR#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: RandaoMixesLength\s*=
@@ -58,7 +72,7 @@
     EPOCHS_PER_HISTORICAL_VECTOR: uint64 = 65536
     </spec>
 
-- name: EPOCHS_PER_SLASHINGS_VECTOR
+- name: EPOCHS_PER_SLASHINGS_VECTOR#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: SlashingsLength\s*=
@@ -68,7 +82,7 @@
     EPOCHS_PER_SLASHINGS_VECTOR: uint64 = 8192
     </spec>
 
-- name: EPOCHS_PER_SYNC_COMMITTEE_PERIOD
+- name: EPOCHS_PER_SYNC_COMMITTEE_PERIOD#altair
   sources:
     - file: config/params/config.go
       search: EpochsPerSyncCommitteePeriod\s+.*yaml:"EPOCHS_PER_SYNC_COMMITTEE_PERIOD"
@@ -78,7 +92,7 @@
     EPOCHS_PER_SYNC_COMMITTEE_PERIOD: uint64 = 256
     </spec>
 
-- name: FIELD_ELEMENTS_PER_BLOB
+- name: FIELD_ELEMENTS_PER_BLOB#deneb
   sources:
     - file: config/params/config.go
       search: FieldElementsPerBlob\s+.*yaml:"FIELD_ELEMENTS_PER_BLOB"
@@ -88,7 +102,7 @@
     FIELD_ELEMENTS_PER_BLOB: uint64 = 4096
     </spec>
 
-- name: FIELD_ELEMENTS_PER_CELL
+- name: FIELD_ELEMENTS_PER_CELL#fulu
   sources:
     - file: config/fieldparams/mainnet.go
       search: CellsPerBlob\s*=
@@ -98,7 +112,7 @@
     FIELD_ELEMENTS_PER_CELL: uint64 = 64
     </spec>
 
-- name: FIELD_ELEMENTS_PER_EXT_BLOB
+- name: FIELD_ELEMENTS_PER_EXT_BLOB#fulu
   sources:
     - file: proto/ssz_proto_library.bzl
       search: mainnet\s*=\s*\{[^}]*"field_elements_per_ext_blob\.size".*[^}]*\}
@@ -108,7 +122,7 @@
     FIELD_ELEMENTS_PER_EXT_BLOB = 8192
     </spec>
 
-- name: HISTORICAL_ROOTS_LIMIT
+- name: HISTORICAL_ROOTS_LIMIT#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: HistoricalRootsLength\s*=
@@ -118,7 +132,7 @@
     HISTORICAL_ROOTS_LIMIT: uint64 = 16777216
     </spec>
 
-- name: HYSTERESIS_DOWNWARD_MULTIPLIER
+- name: HYSTERESIS_DOWNWARD_MULTIPLIER#phase0
   sources:
     - file: config/params/config.go
       search: HysteresisDownwardMultiplier\s+.*yaml:"HYSTERESIS_DOWNWARD_MULTIPLIER"
@@ -128,7 +142,7 @@
     HYSTERESIS_DOWNWARD_MULTIPLIER: uint64 = 1
     </spec>
 
-- name: HYSTERESIS_QUOTIENT
+- name: HYSTERESIS_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: HysteresisQuotient\s+.*yaml:"HYSTERESIS_QUOTIENT"
@@ -138,7 +152,7 @@
     HYSTERESIS_QUOTIENT: uint64 = 4
     </spec>
 
-- name: HYSTERESIS_UPWARD_MULTIPLIER
+- name: HYSTERESIS_UPWARD_MULTIPLIER#phase0
   sources:
     - file: config/params/config.go
       search: HysteresisUpwardMultiplier\s+.*yaml:"HYSTERESIS_UPWARD_MULTIPLIER"
@@ -148,7 +162,7 @@
     HYSTERESIS_UPWARD_MULTIPLIER: uint64 = 5
     </spec>
 
-- name: INACTIVITY_PENALTY_QUOTIENT
+- name: INACTIVITY_PENALTY_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: InactivityPenaltyQuotient\s+.*yaml:"INACTIVITY_PENALTY_QUOTIENT"
@@ -158,7 +172,7 @@
     INACTIVITY_PENALTY_QUOTIENT: uint64 = 67108864
     </spec>
 
-- name: INACTIVITY_PENALTY_QUOTIENT_ALTAIR
+- name: INACTIVITY_PENALTY_QUOTIENT_ALTAIR#altair
   sources:
     - file: config/params/config.go
       search: InactivityPenaltyQuotientAltair\s+.*yaml:"INACTIVITY_PENALTY_QUOTIENT_ALTAIR"
@@ -168,7 +182,7 @@
     INACTIVITY_PENALTY_QUOTIENT_ALTAIR: uint64 = 50331648
     </spec>
 
-- name: INACTIVITY_PENALTY_QUOTIENT_BELLATRIX
+- name: INACTIVITY_PENALTY_QUOTIENT_BELLATRIX#bellatrix
   sources:
     - file: config/params/config.go
       search: InactivityPenaltyQuotientBellatrix\s+.*yaml:"INACTIVITY_PENALTY_QUOTIENT_BELLATRIX"
@@ -178,7 +192,7 @@
     INACTIVITY_PENALTY_QUOTIENT_BELLATRIX: uint64 = 16777216
     </spec>
 
-- name: KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH
+- name: KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH#fulu
   sources:
     - file: proto/ssz_proto_library.bzl
       search: mainnet\s*=\s*\{[^}]*"kzg_commitments_inclusion_proof_depth\.size":.*[^}]*\}
@@ -188,7 +202,7 @@
     KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH: uint64 = 4
     </spec>
 
-- name: KZG_COMMITMENT_INCLUSION_PROOF_DEPTH
+- name: KZG_COMMITMENT_INCLUSION_PROOF_DEPTH#deneb
   sources:
     - file: config/fieldparams/mainnet.go
       search: KzgCommitmentInclusionProofDepth\s*=
@@ -198,7 +212,7 @@
     KZG_COMMITMENT_INCLUSION_PROOF_DEPTH: uint64 = 17
     </spec>
 
-- name: MAX_ATTESTATIONS
+- name: MAX_ATTESTATIONS#phase0
   sources:
     - file: config/params/config.go
       search: MaxAttestations\s+.*yaml:"MAX_ATTESTATIONS"
@@ -208,7 +222,7 @@
     MAX_ATTESTATIONS = 128
     </spec>
 
-- name: MAX_ATTESTATIONS_ELECTRA
+- name: MAX_ATTESTATIONS_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MaxAttestationsElectra\s+.*yaml:"MAX_ATTESTATIONS_ELECTRA"
@@ -218,7 +232,7 @@
     MAX_ATTESTATIONS_ELECTRA = 8
     </spec>
 
-- name: MAX_ATTESTER_SLASHINGS
+- name: MAX_ATTESTER_SLASHINGS#phase0
   sources:
     - file: config/params/config.go
       search: MaxAttesterSlashings\s+.*yaml:"MAX_ATTESTER_SLASHINGS"
@@ -228,7 +242,7 @@
     MAX_ATTESTER_SLASHINGS = 2
     </spec>
 
-- name: MAX_ATTESTER_SLASHINGS_ELECTRA
+- name: MAX_ATTESTER_SLASHINGS_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MaxAttesterSlashingsElectra\s+.*yaml:"MAX_ATTESTER_SLASHINGS_ELECTRA"
@@ -238,7 +252,7 @@
     MAX_ATTESTER_SLASHINGS_ELECTRA = 1
     </spec>
 
-- name: MAX_BLOB_COMMITMENTS_PER_BLOCK
+- name: MAX_BLOB_COMMITMENTS_PER_BLOCK#deneb
   sources:
     - file: config/fieldparams/mainnet.go
       search: MaxBlobCommitmentsPerBlock\s*=
@@ -248,7 +262,7 @@
     MAX_BLOB_COMMITMENTS_PER_BLOCK: uint64 = 4096
     </spec>
 
-- name: MAX_BLS_TO_EXECUTION_CHANGES
+- name: MAX_BLS_TO_EXECUTION_CHANGES#capella
   sources:
     - file: config/params/config.go
       search: MaxBlsToExecutionChanges\s+.*yaml:"MAX_BLS_TO_EXECUTION_CHANGES"
@@ -258,7 +272,14 @@
     MAX_BLS_TO_EXECUTION_CHANGES = 16
     </spec>
 
-- name: MAX_BYTES_PER_TRANSACTION
+- name: MAX_BUILDERS_PER_WITHDRAWALS_SWEEP#gloas
+  sources: []
+  spec: |
+    <spec preset_var="MAX_BUILDERS_PER_WITHDRAWALS_SWEEP" fork="gloas" hash="1556b314">
+    MAX_BUILDERS_PER_WITHDRAWALS_SWEEP = 16384
+    </spec>
+
+- name: MAX_BYTES_PER_TRANSACTION#bellatrix
   sources:
     - file: config/params/config.go
       search: MaxBytesPerTransaction\s+.*yaml:"MAX_BYTES_PER_TRANSACTION"
@@ -288,7 +309,7 @@
     MAX_COMMITTEES_PER_SLOT: uint64 = 64
     </spec>
 
-- name: MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD
+- name: MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD#electra
   sources:
     - file: config/params/config.go
       search: MaxConsolidationsRequestsPerPayload\s+.*yaml:"MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD"
@@ -298,7 +319,7 @@
     MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD: uint64 = 2
     </spec>
 
-- name: MAX_DEPOSITS
+- name: MAX_DEPOSITS#phase0
   sources:
     - file: config/params/config.go
       search: MaxDeposits\s+.*yaml:"MAX_DEPOSITS"
@@ -308,7 +329,7 @@
     MAX_DEPOSITS = 16
     </spec>
 
-- name: MAX_DEPOSIT_REQUESTS_PER_PAYLOAD
+- name: MAX_DEPOSIT_REQUESTS_PER_PAYLOAD#electra
   sources:
     - file: config/params/config.go
       search: MaxDepositRequestsPerPayload\s+.*yaml:"MAX_DEPOSIT_REQUESTS_PER_PAYLOAD"
@@ -318,7 +339,7 @@
     MAX_DEPOSIT_REQUESTS_PER_PAYLOAD: uint64 = 8192
     </spec>
 
-- name: MAX_EFFECTIVE_BALANCE
+- name: MAX_EFFECTIVE_BALANCE#phase0
   sources:
     - file: config/params/config.go
       search: MaxEffectiveBalance\s+.*yaml:"MAX_EFFECTIVE_BALANCE"
@@ -328,7 +349,7 @@
     MAX_EFFECTIVE_BALANCE: Gwei = 32000000000
     </spec>
 
-- name: MAX_EFFECTIVE_BALANCE_ELECTRA
+- name: MAX_EFFECTIVE_BALANCE_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MaxEffectiveBalanceElectra\s+.*yaml:"MAX_EFFECTIVE_BALANCE_ELECTRA"
@@ -338,7 +359,7 @@
     MAX_EFFECTIVE_BALANCE_ELECTRA: Gwei = 2048000000000
     </spec>
 
-- name: MAX_EXTRA_DATA_BYTES
+- name: MAX_EXTRA_DATA_BYTES#bellatrix
   sources:
     - file: config/params/config.go
       search: MaxExtraDataBytes\s+.*yaml:"MAX_EXTRA_DATA_BYTES"
@@ -348,7 +369,14 @@
     MAX_EXTRA_DATA_BYTES = 32
     </spec>
 
-- name: MAX_PENDING_DEPOSITS_PER_EPOCH
+- name: MAX_PAYLOAD_ATTESTATIONS#gloas
+  sources: []
+  spec: |
+    <spec preset_var="MAX_PAYLOAD_ATTESTATIONS" fork="gloas" hash="fc24e7ea">
+    MAX_PAYLOAD_ATTESTATIONS = 4
+    </spec>
+
+- name: MAX_PENDING_DEPOSITS_PER_EPOCH#electra
   sources:
     - file: config/params/config.go
       search: MaxPendingDepositsPerEpoch\s+.*yaml:"MAX_PENDING_DEPOSITS_PER_EPOCH"
@@ -358,7 +386,7 @@
     MAX_PENDING_DEPOSITS_PER_EPOCH: uint64 = 16
     </spec>
 
-- name: MAX_PENDING_PARTIALS_PER_WITHDRAWALS_SWEEP
+- name: MAX_PENDING_PARTIALS_PER_WITHDRAWALS_SWEEP#electra
   sources:
     - file: config/params/config.go
       search: MaxPendingPartialsPerWithdrawalsSweep\s+.*yaml:"MAX_PENDING_PARTIALS_PER_WITHDRAWALS_SWEEP"
@@ -368,7 +396,7 @@
     MAX_PENDING_PARTIALS_PER_WITHDRAWALS_SWEEP: uint64 = 8
     </spec>
 
-- name: MAX_PROPOSER_SLASHINGS
+- name: MAX_PROPOSER_SLASHINGS#phase0
   sources:
     - file: config/params/config.go
       search: MaxProposerSlashings\s+.*yaml:"MAX_PROPOSER_SLASHINGS"
@@ -378,7 +406,7 @@
     MAX_PROPOSER_SLASHINGS = 16
     </spec>
 
-- name: MAX_SEED_LOOKAHEAD
+- name: MAX_SEED_LOOKAHEAD#phase0
   sources:
     - file: config/params/config.go
       search: MaxSeedLookahead\s+.*yaml:"MAX_SEED_LOOKAHEAD"
@@ -388,7 +416,7 @@
     MAX_SEED_LOOKAHEAD: uint64 = 4
     </spec>
 
-- name: MAX_TRANSACTIONS_PER_PAYLOAD
+- name: MAX_TRANSACTIONS_PER_PAYLOAD#bellatrix
   sources:
     - file: config/params/config.go
       search: MaxTransactionsPerPayload\s+.*yaml:"MAX_TRANSACTIONS_PER_PAYLOAD"
@@ -418,7 +446,7 @@
     MAX_VALIDATORS_PER_COMMITTEE: uint64 = 2048
     </spec>
 
-- name: MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP
+- name: MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP#capella
   sources:
     - file: config/params/config.go
       search: MaxValidatorsPerWithdrawalsSweep\s+.*yaml:"MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP"
@@ -428,7 +456,7 @@
     MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP = 16384
     </spec>
 
-- name: MAX_VOLUNTARY_EXITS
+- name: MAX_VOLUNTARY_EXITS#phase0
   sources:
     - file: config/params/config.go
       search: MaxVoluntaryExits\s+.*yaml:"MAX_VOLUNTARY_EXITS"
@@ -438,7 +466,7 @@
     MAX_VOLUNTARY_EXITS = 16
     </spec>
 
-- name: MAX_WITHDRAWALS_PER_PAYLOAD
+- name: MAX_WITHDRAWALS_PER_PAYLOAD#capella
   sources:
     - file: config/fieldparams/mainnet.go
       search: MaxWithdrawalsPerPayload\s*=
@@ -448,7 +476,7 @@
     MAX_WITHDRAWALS_PER_PAYLOAD: uint64 = 16
     </spec>
 
-- name: MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD
+- name: MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD#electra
   sources:
     - file: config/params/config.go
       search: MaxWithdrawalRequestsPerPayload\s+.*yaml:"MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD"
@@ -458,7 +486,7 @@
     MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD: uint64 = 16
     </spec>
 
-- name: MIN_ACTIVATION_BALANCE
+- name: MIN_ACTIVATION_BALANCE#electra
   sources:
     - file: config/params/config.go
       search: MinActivationBalance\s+.*yaml:"MIN_ACTIVATION_BALANCE"
@@ -468,7 +496,7 @@
     MIN_ACTIVATION_BALANCE: Gwei = 32000000000
     </spec>
 
-- name: MIN_ATTESTATION_INCLUSION_DELAY
+- name: MIN_ATTESTATION_INCLUSION_DELAY#phase0
   sources:
     - file: config/params/config.go
       search: MinAttestationInclusionDelay\s+.*yaml:"MIN_ATTESTATION_INCLUSION_DELAY"
@@ -478,7 +506,7 @@
     MIN_ATTESTATION_INCLUSION_DELAY: uint64 = 1
     </spec>
 
-- name: MIN_DEPOSIT_AMOUNT
+- name: MIN_DEPOSIT_AMOUNT#phase0
   sources:
     - file: config/params/config.go
       search: MinDepositAmount\s+.*yaml:"MIN_DEPOSIT_AMOUNT"
@@ -488,7 +516,7 @@
     MIN_DEPOSIT_AMOUNT: Gwei = 1000000000
     </spec>
 
-- name: MIN_EPOCHS_TO_INACTIVITY_PENALTY
+- name: MIN_EPOCHS_TO_INACTIVITY_PENALTY#phase0
   sources:
     - file: config/params/config.go
       search: MinEpochsToInactivityPenalty\s+.*yaml:"MIN_EPOCHS_TO_INACTIVITY_PENALTY"
@@ -498,7 +526,7 @@
     MIN_EPOCHS_TO_INACTIVITY_PENALTY: uint64 = 4
     </spec>
 
-- name: MIN_SEED_LOOKAHEAD
+- name: MIN_SEED_LOOKAHEAD#phase0
   sources:
     - file: config/params/config.go
       search: MinSeedLookahead\s+.*yaml:"MIN_SEED_LOOKAHEAD"
@@ -508,7 +536,7 @@
     MIN_SEED_LOOKAHEAD: uint64 = 1
     </spec>
 
-- name: MIN_SLASHING_PENALTY_QUOTIENT
+- name: MIN_SLASHING_PENALTY_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: MinSlashingPenaltyQuotient\s+.*yaml:"MIN_SLASHING_PENALTY_QUOTIENT"
@@ -518,7 +546,7 @@
     MIN_SLASHING_PENALTY_QUOTIENT: uint64 = 128
     </spec>
 
-- name: MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR
+- name: MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR#altair
   sources:
     - file: config/params/config.go
       search: MinSlashingPenaltyQuotientAltair\s+.*yaml:"MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR"
@@ -528,7 +556,7 @@
     MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: uint64 = 64
     </spec>
 
-- name: MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX
+- name: MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX#bellatrix
   sources:
     - file: config/params/config.go
       search: MinSlashingPenaltyQuotientBellatrix\s+.*yaml:"MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX"
@@ -538,7 +566,7 @@
     MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX: uint64 = 32
     </spec>
 
-- name: MIN_SLASHING_PENALTY_QUOTIENT_ELECTRA
+- name: MIN_SLASHING_PENALTY_QUOTIENT_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: MinSlashingPenaltyQuotientElectra\s+.*yaml:"MIN_SLASHING_PENALTY_QUOTIENT_ELECTRA"
@@ -548,7 +576,7 @@
     MIN_SLASHING_PENALTY_QUOTIENT_ELECTRA: uint64 = 4096
     </spec>
 
-- name: MIN_SYNC_COMMITTEE_PARTICIPANTS
+- name: MIN_SYNC_COMMITTEE_PARTICIPANTS#altair
   sources:
     - file: config/params/config.go
       search: MinSyncCommitteeParticipants\s+.*yaml:"MIN_SYNC_COMMITTEE_PARTICIPANTS"
@@ -558,7 +586,7 @@
     MIN_SYNC_COMMITTEE_PARTICIPANTS = 1
     </spec>
 
-- name: NUMBER_OF_COLUMNS
+- name: NUMBER_OF_COLUMNS#fulu
   sources:
     - file: config/fieldparams/mainnet.go
       search: NumberOfColumns\s*=
@@ -568,7 +596,7 @@
     NUMBER_OF_COLUMNS: uint64 = 128
     </spec>
 
-- name: PENDING_CONSOLIDATIONS_LIMIT
+- name: PENDING_CONSOLIDATIONS_LIMIT#electra
   sources:
     - file: config/fieldparams/mainnet.go
       search: PendingConsolidationsLimit\s*=
@@ -578,7 +606,7 @@
     PENDING_CONSOLIDATIONS_LIMIT: uint64 = 262144
     </spec>
 
-- name: PENDING_DEPOSITS_LIMIT
+- name: PENDING_DEPOSITS_LIMIT#electra
   sources:
     - file: config/fieldparams/mainnet.go
       search: PendingDepositsLimit\s*=
@@ -588,7 +616,7 @@
     PENDING_DEPOSITS_LIMIT: uint64 = 134217728
     </spec>
 
-- name: PENDING_PARTIAL_WITHDRAWALS_LIMIT
+- name: PENDING_PARTIAL_WITHDRAWALS_LIMIT#electra
   sources:
     - file: config/fieldparams/mainnet.go
       search: PendingPartialWithdrawalsLimit\s*=
@@ -598,7 +626,7 @@
     PENDING_PARTIAL_WITHDRAWALS_LIMIT: uint64 = 134217728
     </spec>
 
-- name: PROPORTIONAL_SLASHING_MULTIPLIER
+- name: PROPORTIONAL_SLASHING_MULTIPLIER#phase0
   sources:
     - file: config/params/config.go
       search: ProportionalSlashingMultiplier\s+.*yaml:"PROPORTIONAL_SLASHING_MULTIPLIER"
@@ -608,7 +636,7 @@
     PROPORTIONAL_SLASHING_MULTIPLIER: uint64 = 1
     </spec>
 
-- name: PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR
+- name: PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR#altair
   sources:
     - file: config/params/config.go
       search: ProportionalSlashingMultiplierAltair\s+.*yaml:"PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR"
@@ -618,7 +646,7 @@
     PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: uint64 = 2
     </spec>
 
-- name: PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX
+- name: PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX#bellatrix
   sources:
     - file: config/params/config.go
       search: ProportionalSlashingMultiplierBellatrix\s+.*yaml:"PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX"
@@ -628,7 +656,7 @@
     PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX: uint64 = 3
     </spec>
 
-- name: PROPOSER_REWARD_QUOTIENT
+- name: PROPOSER_REWARD_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: ProposerRewardQuotient\s+.*yaml:"PROPOSER_REWARD_QUOTIENT"
@@ -638,7 +666,14 @@
     PROPOSER_REWARD_QUOTIENT: uint64 = 8
     </spec>
 
-- name: SHUFFLE_ROUND_COUNT
+- name: PTC_SIZE#gloas
+  sources: []
+  spec: |
+    <spec preset_var="PTC_SIZE" fork="gloas" hash="d61c5930">
+    PTC_SIZE: uint64 = 512
+    </spec>
+
+- name: SHUFFLE_ROUND_COUNT#phase0
   sources:
     - file: config/params/config.go
       search: ShuffleRoundCount\s+.*yaml:"SHUFFLE_ROUND_COUNT"
@@ -648,7 +683,7 @@
     SHUFFLE_ROUND_COUNT: uint64 = 90
     </spec>
 
-- name: SLOTS_PER_EPOCH
+- name: SLOTS_PER_EPOCH#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: SlotsPerEpoch\s*=
@@ -658,7 +693,7 @@
     SLOTS_PER_EPOCH: uint64 = 32
     </spec>
 
-- name: SLOTS_PER_HISTORICAL_ROOT
+- name: SLOTS_PER_HISTORICAL_ROOT#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: BlockRootsLength\s*=
@@ -668,7 +703,7 @@
     SLOTS_PER_HISTORICAL_ROOT: uint64 = 8192
     </spec>
 
-- name: SYNC_COMMITTEE_SIZE
+- name: SYNC_COMMITTEE_SIZE#altair
   sources:
     - file: config/fieldparams/mainnet.go
       search: SyncCommitteeLength\s*=
@@ -678,7 +713,7 @@
     SYNC_COMMITTEE_SIZE: uint64 = 512
     </spec>
 
-- name: TARGET_COMMITTEE_SIZE
+- name: TARGET_COMMITTEE_SIZE#phase0
   sources:
     - file: config/params/config.go
       search: TargetCommitteeSize\s+.*yaml:"TARGET_COMMITTEE_SIZE"
@@ -688,7 +723,7 @@
     TARGET_COMMITTEE_SIZE: uint64 = 128
     </spec>
 
-- name: UPDATE_TIMEOUT
+- name: UPDATE_TIMEOUT#altair
   sources:
     - file: beacon-chain/rpc/eth/config/handlers.go
       search: data\["UPDATE_TIMEOUT"\]
@@ -698,7 +733,7 @@
     UPDATE_TIMEOUT = 8192
     </spec>
 
-- name: VALIDATOR_REGISTRY_LIMIT
+- name: VALIDATOR_REGISTRY_LIMIT#phase0
   sources:
     - file: config/fieldparams/mainnet.go
       search: ValidatorRegistryLimit\s*=
@@ -708,7 +743,7 @@
     VALIDATOR_REGISTRY_LIMIT: uint64 = 1099511627776
     </spec>
 
-- name: WHISTLEBLOWER_REWARD_QUOTIENT
+- name: WHISTLEBLOWER_REWARD_QUOTIENT#phase0
   sources:
     - file: config/params/config.go
       search: WhistleBlowerRewardQuotient\s+.*yaml:"WHISTLEBLOWER_REWARD_QUOTIENT"
@@ -718,7 +753,7 @@
     WHISTLEBLOWER_REWARD_QUOTIENT: uint64 = 512
     </spec>
 
-- name: WHISTLEBLOWER_REWARD_QUOTIENT_ELECTRA
+- name: WHISTLEBLOWER_REWARD_QUOTIENT_ELECTRA#electra
   sources:
     - file: config/params/config.go
       search: WhistleBlowerRewardQuotientElectra\s+.*yaml:"WHISTLEBLOWER_REWARD_QUOTIENT_ELECTRA"

testing/mock/beacon_validator_client_mock.go

@@ -683,6 +683,46 @@ func (mr *MockBeaconNodeValidatorClientMockRecorder) WaitForChainStart(arg0, arg
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WaitForChainStart", reflect.TypeOf((*MockBeaconNodeValidatorClient)(nil).WaitForChainStart), varargs...)
 }
 
+// GetExecutionPayloadEnvelope mocks base method.
+func (m *MockBeaconNodeValidatorClient) GetExecutionPayloadEnvelope(arg0 context.Context, arg1 *eth.ExecutionPayloadEnvelopeRequest, arg2 ...grpc.CallOption) (*eth.ExecutionPayloadEnvelopeResponse, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{arg0, arg1}
+	for _, a := range arg2 {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "ExecutionPayloadEnvelope", varargs...)
+	ret0, _ := ret[0].(*eth.ExecutionPayloadEnvelopeResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetExecutionPayloadEnvelope indicates an expected call of GetExecutionPayloadEnvelope.
+func (mr *MockBeaconNodeValidatorClientMockRecorder) GetExecutionPayloadEnvelope(arg0, arg1 any, arg2 ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{arg0, arg1}, arg2...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExecutionPayloadEnvelope", reflect.TypeOf((*MockBeaconNodeValidatorClient)(nil).GetExecutionPayloadEnvelope), varargs...)
+}
+
+// PublishExecutionPayloadEnvelope mocks base method.
+func (m *MockBeaconNodeValidatorClient) PublishExecutionPayloadEnvelope(arg0 context.Context, arg1 *eth.SignedExecutionPayloadEnvelope, arg2 ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{arg0, arg1}
+	for _, a := range arg2 {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "PublishExecutionPayloadEnvelope", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PublishExecutionPayloadEnvelope indicates an expected call of PublishExecutionPayloadEnvelope.
+func (mr *MockBeaconNodeValidatorClientMockRecorder) PublishExecutionPayloadEnvelope(arg0, arg1 any, arg2 ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{arg0, arg1}, arg2...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PublishExecutionPayloadEnvelope", reflect.TypeOf((*MockBeaconNodeValidatorClient)(nil).PublishExecutionPayloadEnvelope), varargs...)
+}
+
 // MockBeaconNodeValidator_WaitForChainStartClient is a mock of BeaconNodeValidator_WaitForChainStartClient interface.
 type MockBeaconNodeValidator_WaitForChainStartClient struct {
 	ctrl     *gomock.Controller

testing/mock/beacon_validator_server_mock.go

@@ -518,6 +518,36 @@ func (mr *MockBeaconNodeValidatorServerMockRecorder) WaitForChainStart(arg0, arg
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WaitForChainStart", reflect.TypeOf((*MockBeaconNodeValidatorServer)(nil).WaitForChainStart), arg0, arg1)
 }
 
+// GetExecutionPayloadEnvelope mocks base method.
+func (m *MockBeaconNodeValidatorServer) GetExecutionPayloadEnvelope(arg0 context.Context, arg1 *eth.ExecutionPayloadEnvelopeRequest) (*eth.ExecutionPayloadEnvelopeResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ExecutionPayloadEnvelope", arg0, arg1)
+	ret0, _ := ret[0].(*eth.ExecutionPayloadEnvelopeResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetExecutionPayloadEnvelope indicates an expected call of GetExecutionPayloadEnvelope.
+func (mr *MockBeaconNodeValidatorServerMockRecorder) GetExecutionPayloadEnvelope(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExecutionPayloadEnvelope", reflect.TypeOf((*MockBeaconNodeValidatorServer)(nil).GetExecutionPayloadEnvelope), arg0, arg1)
+}
+
+// PublishExecutionPayloadEnvelope mocks base method.
+func (m *MockBeaconNodeValidatorServer) PublishExecutionPayloadEnvelope(arg0 context.Context, arg1 *eth.SignedExecutionPayloadEnvelope) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "PublishExecutionPayloadEnvelope", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PublishExecutionPayloadEnvelope indicates an expected call of PublishExecutionPayloadEnvelope.
+func (mr *MockBeaconNodeValidatorServerMockRecorder) PublishExecutionPayloadEnvelope(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PublishExecutionPayloadEnvelope", reflect.TypeOf((*MockBeaconNodeValidatorServer)(nil).PublishExecutionPayloadEnvelope), arg0, arg1)
+}
+
 // MockBeaconNodeValidator_WaitForActivationServer is a mock of BeaconNodeValidator_WaitForActivationServer interface.
 type MockBeaconNodeValidator_WaitForActivationServer struct {
 	ctrl     *gomock.Controller

testing/validator-mock/validator_client_mock.go

@@ -283,16 +283,18 @@ func (mr *MockValidatorClientMockRecorder) ProposeExit(ctx, in any) *gomock.Call
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ProposeExit", reflect.TypeOf((*MockValidatorClient)(nil).ProposeExit), ctx, in)
 }
 
-// SwitchHost mocks base method.
-func (m *MockValidatorClient) SwitchHost(host string) {
+// EnsureReady mocks base method.
+func (m *MockValidatorClient) EnsureReady(ctx context.Context) bool {
 	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SwitchHost", host)
+	ret := m.ctrl.Call(m, "EnsureReady", ctx)
+	ret0, _ := ret[0].(bool)
+	return ret0
 }
 
-// SwitchHost indicates an expected call of SwitchHost.
-func (mr *MockValidatorClientMockRecorder) SwitchHost(host any) *gomock.Call {
+// EnsureReady indicates an expected call of EnsureReady.
+func (mr *MockValidatorClientMockRecorder) EnsureReady(ctx any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SwitchHost", reflect.TypeOf((*MockValidatorClient)(nil).SwitchHost), host)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "EnsureReady", reflect.TypeOf((*MockValidatorClient)(nil).EnsureReady), ctx)
 }
 
 // StartEventStream mocks base method.
@@ -516,3 +518,33 @@ func (mr *MockValidatorClientMockRecorder) WaitForChainStart(ctx, in any) *gomoc
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WaitForChainStart", reflect.TypeOf((*MockValidatorClient)(nil).WaitForChainStart), ctx, in)
 }
+
+// GetExecutionPayloadEnvelope mocks base method.
+func (m *MockValidatorClient) ExecutionPayloadEnvelope(ctx context.Context, slot primitives.Slot, builderIndex primitives.BuilderIndex) (*eth.ExecutionPayloadEnvelope, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ExecutionPayloadEnvelope", ctx, slot, builderIndex)
+	ret0, _ := ret[0].(*eth.ExecutionPayloadEnvelope)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetExecutionPayloadEnvelope indicates an expected call of GetExecutionPayloadEnvelope.
+func (mr *MockValidatorClientMockRecorder) GetExecutionPayloadEnvelope(ctx, slot, builderIndex any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExecutionPayloadEnvelope", reflect.TypeOf((*MockValidatorClient)(nil).ExecutionPayloadEnvelope), ctx, slot, builderIndex)
+}
+
+// PublishExecutionPayloadEnvelope mocks base method.
+func (m *MockValidatorClient) PublishExecutionPayloadEnvelope(ctx context.Context, in *eth.SignedExecutionPayloadEnvelope) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "PublishExecutionPayloadEnvelope", ctx, in)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PublishExecutionPayloadEnvelope indicates an expected call of PublishExecutionPayloadEnvelope.
+func (mr *MockValidatorClientMockRecorder) PublishExecutionPayloadEnvelope(ctx, in any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PublishExecutionPayloadEnvelope", reflect.TypeOf((*MockValidatorClient)(nil).PublishExecutionPayloadEnvelope), ctx, in)
+}

testing/validator-mock/validator_mock.go

@@ -128,18 +128,18 @@ func (mr *MockValidatorMockRecorder) EventsChan() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "EventsChan", reflect.TypeOf((*MockValidator)(nil).EventsChan))
 }
 
-// FindHealthyHost mocks base method.
-func (m *MockValidator) FindHealthyHost(arg0 context.Context) bool {
+// EnsureReady mocks base method.
+func (m *MockValidator) EnsureReady(arg0 context.Context) bool {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "FindHealthyHost", arg0)
+	ret := m.ctrl.Call(m, "EnsureReady", arg0)
 	ret0, _ := ret[0].(bool)
 	return ret0
 }
 
-// FindHealthyHost indicates an expected call of FindHealthyHost.
-func (mr *MockValidatorMockRecorder) FindHealthyHost(arg0 any) *gomock.Call {
+// EnsureReady indicates an expected call of EnsureReady.
+func (mr *MockValidatorMockRecorder) EnsureReady(arg0 any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FindHealthyHost", reflect.TypeOf((*MockValidator)(nil).FindHealthyHost), arg0)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "EnsureReady", reflect.TypeOf((*MockValidator)(nil).EnsureReady), arg0)
 }
 
 // GenesisTime mocks base method.

validator/client/BUILD.bazel

@@ -122,7 +122,6 @@ go_test(
     embed = [":go_default_library"],
     deps = [
         "//api/grpc:go_default_library",
-        "//api/rest:go_default_library",
         "//api/server/structs:go_default_library",
         "//async/event:go_default_library",
         "//beacon-chain/core/signing:go_default_library",

validator/client/beacon-api/BUILD.bazel

@@ -17,6 +17,7 @@ go_library(
         "duties.go",
         "genesis.go",
         "get_beacon_block.go",
+        "gloas.go",
         "index.go",
         "log.go",
         "metrics.go",
@@ -42,6 +43,7 @@ go_library(
         "//api:go_default_library",
         "//api/apiutil:go_default_library",
         "//api/client/event:go_default_library",
+        "//api/fallback:go_default_library",
         "//api/rest:go_default_library",
         "//api/server/structs:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",

validator/client/beacon-api/attestation_data.go

@@ -26,7 +26,7 @@ func (c *beaconApiValidatorClient) attestationData(
 	query := apiutil.BuildURL("/eth/v1/validator/attestation_data", params)
 	produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
 
-	if err := c.jsonRestHandler.Get(ctx, query, &produceAttestationDataResponseJson); err != nil {
+	if err := c.handler.Get(ctx, query, &produceAttestationDataResponseJson); err != nil {
 		return nil, err
 	}
 

validator/client/beacon-api/attestation_data_test.go

@@ -28,10 +28,10 @@ func TestGetAttestationData_ValidAttestation(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 	produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v1/validator/attestation_data?committee_index=%d&slot=%d", expectedCommitteeIndex, expectedSlot),
 		&produceAttestationDataResponseJson,
@@ -56,7 +56,7 @@ func TestGetAttestationData_ValidAttestation(t *testing.T) {
 		},
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	resp, err := validatorClient.attestationData(ctx, primitives.Slot(expectedSlot), primitives.CommitteeIndex(expectedCommitteeIndex))
 	assert.NoError(t, err)
 
@@ -180,8 +180,8 @@ func TestGetAttestationData_InvalidData(t *testing.T) {
 			defer ctrl.Finish()
 
 			produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-			jsonRestHandler.EXPECT().Get(
+			handler := mock.NewMockJsonRestHandler(ctrl)
+			handler.EXPECT().Get(
 				gomock.Any(),
 				"/eth/v1/validator/attestation_data?committee_index=2&slot=1",
 				&produceAttestationDataResponseJson,
@@ -192,7 +192,7 @@ func TestGetAttestationData_InvalidData(t *testing.T) {
 				testCase.generateData(),
 			).Times(1)
 
-			validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := &beaconApiValidatorClient{handler: handler}
 			_, err := validatorClient.attestationData(ctx, 1, 2)
 			assert.ErrorContains(t, testCase.expectedErrorMessage, err)
 		})
@@ -208,9 +208,9 @@ func TestGetAttestationData_JsonResponseError(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 	produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v1/validator/attestation_data?committee_index=%d&slot=%d", committeeIndex, slot),
 		&produceAttestationDataResponseJson,
@@ -218,7 +218,7 @@ func TestGetAttestationData_JsonResponseError(t *testing.T) {
 		errors.New("some specific json response error"),
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err := validatorClient.attestationData(ctx, slot, committeeIndex)
 	assert.ErrorContains(t, "some specific json response error", err)
 }

validator/client/beacon-api/beacon_api_beacon_chain_client.go

@@ -18,13 +18,13 @@ import (
 
 type beaconApiChainClient struct {
 	fallbackClient          iface.ChainClient
-	jsonRestHandler         rest.RestHandler
+	handler                 rest.Handler
 	stateValidatorsProvider StateValidatorsProvider
 }
 
 func (c beaconApiChainClient) headBlockHeaders(ctx context.Context) (*structs.GetBlockHeaderResponse, error) {
 	blockHeader := structs.GetBlockHeaderResponse{}
-	err := c.jsonRestHandler.Get(ctx, "/eth/v1/beacon/headers/head", &blockHeader)
+	err := c.handler.Get(ctx, "/eth/v1/beacon/headers/head", &blockHeader)
 	if err != nil {
 		return nil, err
 	}
@@ -44,7 +44,7 @@ func (c beaconApiChainClient) ChainHead(ctx context.Context, _ *empty.Empty) (*e
 	const endpoint = "/eth/v1/beacon/states/head/finality_checkpoints"
 
 	finalityCheckpoints := structs.GetFinalityCheckpointsResponse{}
-	if err := c.jsonRestHandler.Get(ctx, endpoint, &finalityCheckpoints); err != nil {
+	if err := c.handler.Get(ctx, endpoint, &finalityCheckpoints); err != nil {
 		return nil, err
 	}
 
@@ -328,10 +328,10 @@ func (c beaconApiChainClient) ValidatorParticipation(ctx context.Context, in *et
 	return nil, errors.New("beaconApiChainClient.ValidatorParticipation is not implemented. To use a fallback client, pass a fallback client as the last argument of NewBeaconApiChainClientWithFallback.")
 }
 
-func NewBeaconApiChainClientWithFallback(jsonRestHandler rest.RestHandler, fallbackClient iface.ChainClient) iface.ChainClient {
+func NewBeaconApiChainClientWithFallback(handler rest.Handler, fallbackClient iface.ChainClient) iface.ChainClient {
 	return &beaconApiChainClient{
-		jsonRestHandler:         jsonRestHandler,
+		handler:                 handler,
 		fallbackClient:          fallbackClient,
-		stateValidatorsProvider: beaconApiStateValidatorsProvider{jsonRestHandler: jsonRestHandler},
+		stateValidatorsProvider: beaconApiStateValidatorsProvider{handler: handler},
 	}
 }

validator/client/beacon-api/beacon_api_beacon_chain_client_test.go

@@ -115,12 +115,12 @@ func TestListValidators(t *testing.T) {
 			nil,
 		)
 
-		jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-		jsonRestHandler.EXPECT().Get(gomock.Any(), blockHeaderEndpoint, gomock.Any()).Return(errors.New("bar error"))
+		handler := mock.NewMockJsonRestHandler(ctrl)
+		handler.EXPECT().Get(gomock.Any(), blockHeaderEndpoint, gomock.Any()).Return(errors.New("bar error"))
 
 		beaconChainClient := beaconApiChainClient{
 			stateValidatorsProvider: stateValidatorsProvider,
-			jsonRestHandler:         jsonRestHandler,
+			handler:                 handler,
 		}
 		_, err := beaconChainClient.Validators(ctx, &ethpb.ListValidatorsRequest{
 			QueryFilter: nil,
@@ -188,8 +188,8 @@ func TestListValidators(t *testing.T) {
 					nil,
 				)
 
-				jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-				jsonRestHandler.EXPECT().Get(gomock.Any(), blockHeaderEndpoint, gomock.Any()).Return(
+				handler := mock.NewMockJsonRestHandler(ctrl)
+				handler.EXPECT().Get(gomock.Any(), blockHeaderEndpoint, gomock.Any()).Return(
 					nil,
 				).SetArg(
 					2,
@@ -198,7 +198,7 @@ func TestListValidators(t *testing.T) {
 
 				beaconChainClient := beaconApiChainClient{
 					stateValidatorsProvider: stateValidatorsProvider,
-					jsonRestHandler:         jsonRestHandler,
+					handler:                 handler,
 				}
 				_, err := beaconChainClient.Validators(ctx, &ethpb.ListValidatorsRequest{
 					QueryFilter: nil,
@@ -740,15 +740,15 @@ func TestGetChainHead(t *testing.T) {
 				ctx := t.Context()
 
 				finalityCheckpointsResponse := structs.GetFinalityCheckpointsResponse{}
-				jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-				jsonRestHandler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
+				handler := mock.NewMockJsonRestHandler(ctrl)
+				handler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
 					testCase.finalityCheckpointsError,
 				).SetArg(
 					2,
 					testCase.generateFinalityCheckpointsResponse(),
 				)
 
-				beaconChainClient := beaconApiChainClient{jsonRestHandler: jsonRestHandler}
+				beaconChainClient := beaconApiChainClient{handler: handler}
 				_, err := beaconChainClient.ChainHead(ctx, &emptypb.Empty{})
 				assert.ErrorContains(t, testCase.expectedError, err)
 			})
@@ -837,10 +837,10 @@ func TestGetChainHead(t *testing.T) {
 				defer ctrl.Finish()
 				ctx := t.Context()
 
-				jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+				handler := mock.NewMockJsonRestHandler(ctrl)
 
 				finalityCheckpointsResponse := structs.GetFinalityCheckpointsResponse{}
-				jsonRestHandler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
+				handler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
 					nil,
 				).SetArg(
 					2,
@@ -848,14 +848,14 @@ func TestGetChainHead(t *testing.T) {
 				)
 
 				headBlockHeadersResponse := structs.GetBlockHeaderResponse{}
-				jsonRestHandler.EXPECT().Get(gomock.Any(), headBlockHeadersEndpoint, &headBlockHeadersResponse).Return(
+				handler.EXPECT().Get(gomock.Any(), headBlockHeadersEndpoint, &headBlockHeadersResponse).Return(
 					testCase.headBlockHeadersError,
 				).SetArg(
 					2,
 					testCase.generateHeadBlockHeadersResponse(),
 				)
 
-				beaconChainClient := beaconApiChainClient{jsonRestHandler: jsonRestHandler}
+				beaconChainClient := beaconApiChainClient{handler: handler}
 				_, err := beaconChainClient.ChainHead(ctx, &emptypb.Empty{})
 				assert.ErrorContains(t, testCase.expectedError, err)
 			})
@@ -867,10 +867,10 @@ func TestGetChainHead(t *testing.T) {
 		defer ctrl.Finish()
 		ctx := t.Context()
 
-		jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+		handler := mock.NewMockJsonRestHandler(ctrl)
 
 		finalityCheckpointsResponse := structs.GetFinalityCheckpointsResponse{}
-		jsonRestHandler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
+		handler.EXPECT().Get(gomock.Any(), finalityCheckpointsEndpoint, &finalityCheckpointsResponse).Return(
 			nil,
 		).SetArg(
 			2,
@@ -878,7 +878,7 @@ func TestGetChainHead(t *testing.T) {
 		)
 
 		headBlockHeadersResponse := structs.GetBlockHeaderResponse{}
-		jsonRestHandler.EXPECT().Get(gomock.Any(), headBlockHeadersEndpoint, &headBlockHeadersResponse).Return(
+		handler.EXPECT().Get(gomock.Any(), headBlockHeadersEndpoint, &headBlockHeadersResponse).Return(
 			nil,
 		).SetArg(
 			2,
@@ -909,7 +909,7 @@ func TestGetChainHead(t *testing.T) {
 			HeadEpoch:                  slots.ToEpoch(8),
 		}
 
-		beaconChainClient := beaconApiChainClient{jsonRestHandler: jsonRestHandler}
+		beaconChainClient := beaconApiChainClient{handler: handler}
 		chainHead, err := beaconChainClient.ChainHead(ctx, &emptypb.Empty{})
 		require.NoError(t, err)
 		assert.DeepEqual(t, expectedChainHead, chainHead)

validator/client/beacon-api/beacon_api_helpers.go

@@ -29,7 +29,7 @@ func (c *beaconApiValidatorClient) fork(ctx context.Context) (*structs.GetStateF
 
 	stateForkResponseJson := &structs.GetStateForkResponse{}
 
-	if err := c.jsonRestHandler.Get(ctx, endpoint, stateForkResponseJson); err != nil {
+	if err := c.handler.Get(ctx, endpoint, stateForkResponseJson); err != nil {
 		return nil, err
 	}
 
@@ -41,7 +41,7 @@ func (c *beaconApiValidatorClient) headers(ctx context.Context) (*structs.GetBlo
 
 	blockHeadersResponseJson := &structs.GetBlockHeadersResponse{}
 
-	if err := c.jsonRestHandler.Get(ctx, endpoint, blockHeadersResponseJson); err != nil {
+	if err := c.handler.Get(ctx, endpoint, blockHeadersResponseJson); err != nil {
 		return nil, err
 	}
 
@@ -59,7 +59,7 @@ func (c *beaconApiValidatorClient) liveness(ctx context.Context, epoch primitive
 		return nil, errors.Wrapf(err, "failed to marshal validator indexes")
 	}
 
-	if err = c.jsonRestHandler.Post(ctx, url, nil, bytes.NewBuffer(marshalledJsonValidatorIndexes), livenessResponseJson); err != nil {
+	if err = c.handler.Post(ctx, url, nil, bytes.NewBuffer(marshalledJsonValidatorIndexes), livenessResponseJson); err != nil {
 		return nil, err
 	}
 
@@ -71,7 +71,7 @@ func (c *beaconApiValidatorClient) syncing(ctx context.Context) (*structs.SyncSt
 
 	syncingResponseJson := &structs.SyncStatusResponse{}
 
-	if err := c.jsonRestHandler.Get(ctx, endpoint, syncingResponseJson); err != nil {
+	if err := c.handler.Get(ctx, endpoint, syncingResponseJson); err != nil {
 		return nil, err
 	}
 

validator/client/beacon-api/beacon_api_helpers_test.go

@@ -20,7 +20,7 @@ func TestGetFork_Nominal(t *testing.T) {
 	defer ctrl.Finish()
 
 	stateForkResponseJson := structs.GetStateForkResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
 	expected := structs.GetStateForkResponse{
 		Data: &structs.Fork{
@@ -32,7 +32,7 @@ func TestGetFork_Nominal(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		forkEndpoint,
 		&stateForkResponseJson,
@@ -44,7 +44,7 @@ func TestGetFork_Nominal(t *testing.T) {
 	).Times(1)
 
 	validatorClient := beaconApiValidatorClient{
-		jsonRestHandler: jsonRestHandler,
+		handler: handler,
 	}
 
 	fork, err := validatorClient.fork(ctx)
@@ -56,11 +56,11 @@ func TestGetFork_Invalid(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
 	ctx := t.Context()
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		forkEndpoint,
 		gomock.Any(),
@@ -69,7 +69,7 @@ func TestGetFork_Invalid(t *testing.T) {
 	).Times(1)
 
 	validatorClient := beaconApiValidatorClient{
-		jsonRestHandler: jsonRestHandler,
+		handler: handler,
 	}
 
 	_, err := validatorClient.fork(ctx)
@@ -83,7 +83,7 @@ func TestGetHeaders_Nominal(t *testing.T) {
 	defer ctrl.Finish()
 
 	blockHeadersResponseJson := structs.GetBlockHeadersResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
 	expected := structs.GetBlockHeadersResponse{
 		Data: []*structs.SignedBeaconBlockHeaderContainer{
@@ -99,7 +99,7 @@ func TestGetHeaders_Nominal(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		headersEndpoint,
 		&blockHeadersResponseJson,
@@ -111,7 +111,7 @@ func TestGetHeaders_Nominal(t *testing.T) {
 	).Times(1)
 
 	validatorClient := beaconApiValidatorClient{
-		jsonRestHandler: jsonRestHandler,
+		handler: handler,
 	}
 
 	headers, err := validatorClient.headers(ctx)
@@ -123,11 +123,11 @@ func TestGetHeaders_Invalid(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
 	ctx := t.Context()
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		headersEndpoint,
 		gomock.Any(),
@@ -136,7 +136,7 @@ func TestGetHeaders_Invalid(t *testing.T) {
 	).Times(1)
 
 	validatorClient := beaconApiValidatorClient{
-		jsonRestHandler: jsonRestHandler,
+		handler: handler,
 	}
 
 	_, err := validatorClient.headers(ctx)
@@ -170,8 +170,8 @@ func TestGetLiveness_Nominal(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		livenessEndpoint,
 		nil,
@@ -184,7 +184,7 @@ func TestGetLiveness_Nominal(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	liveness, err := validatorClient.liveness(ctx, 42, indexes)
 
 	require.NoError(t, err)
@@ -197,8 +197,8 @@ func TestGetLiveness_Invalid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		livenessEndpoint,
 		nil,
@@ -208,7 +208,7 @@ func TestGetLiveness_Invalid(t *testing.T) {
 		errors.New("custom error"),
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err := validatorClient.liveness(ctx, 42, nil)
 
 	require.ErrorContains(t, "custom error", err)
@@ -237,7 +237,7 @@ func TestGetIsSyncing_Nominal(t *testing.T) {
 			defer ctrl.Finish()
 
 			syncingResponseJson := structs.SyncStatusResponse{}
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			expected := structs.SyncStatusResponse{
 				Data: &structs.SyncStatusResponseData{
@@ -247,7 +247,7 @@ func TestGetIsSyncing_Nominal(t *testing.T) {
 
 			ctx := t.Context()
 
-			jsonRestHandler.EXPECT().Get(
+			handler.EXPECT().Get(
 				gomock.Any(),
 				syncingEndpoint,
 				&syncingResponseJson,
@@ -259,7 +259,7 @@ func TestGetIsSyncing_Nominal(t *testing.T) {
 			).Times(1)
 
 			validatorClient := beaconApiValidatorClient{
-				jsonRestHandler: jsonRestHandler,
+				handler: handler,
 			}
 
 			isSyncing, err := validatorClient.isSyncing(ctx)
@@ -274,11 +274,11 @@ func TestGetIsSyncing_Invalid(t *testing.T) {
 	defer ctrl.Finish()
 
 	syncingResponseJson := structs.SyncStatusResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
 	ctx := t.Context()
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		syncingEndpoint,
 		&syncingResponseJson,
@@ -287,7 +287,7 @@ func TestGetIsSyncing_Invalid(t *testing.T) {
 	).Times(1)
 
 	validatorClient := beaconApiValidatorClient{
-		jsonRestHandler: jsonRestHandler,
+		handler: handler,
 	}
 
 	isSyncing, err := validatorClient.isSyncing(ctx)

validator/client/beacon-api/beacon_api_node_client.go

@@ -21,13 +21,13 @@ var (
 
 type beaconApiNodeClient struct {
 	fallbackClient  iface.NodeClient
-	jsonRestHandler rest.RestHandler
+	handler         rest.Handler
 	genesisProvider GenesisProvider
 }
 
 func (c *beaconApiNodeClient) SyncStatus(ctx context.Context, _ *empty.Empty) (*ethpb.SyncStatus, error) {
 	syncingResponse := structs.SyncStatusResponse{}
-	if err := c.jsonRestHandler.Get(ctx, "/eth/v1/node/syncing", &syncingResponse); err != nil {
+	if err := c.handler.Get(ctx, "/eth/v1/node/syncing", &syncingResponse); err != nil {
 		return nil, err
 	}
 
@@ -57,7 +57,7 @@ func (c *beaconApiNodeClient) Genesis(ctx context.Context, _ *empty.Empty) (*eth
 	}
 
 	depositContractJson := structs.GetDepositContractResponse{}
-	if err = c.jsonRestHandler.Get(ctx, "/eth/v1/config/deposit_contract", &depositContractJson); err != nil {
+	if err = c.handler.Get(ctx, "/eth/v1/config/deposit_contract", &depositContractJson); err != nil {
 		return nil, err
 	}
 
@@ -81,7 +81,7 @@ func (c *beaconApiNodeClient) Genesis(ctx context.Context, _ *empty.Empty) (*eth
 
 func (c *beaconApiNodeClient) Version(ctx context.Context, _ *empty.Empty) (*ethpb.Version, error) {
 	var versionResponse structs.GetVersionResponse
-	if err := c.jsonRestHandler.Get(ctx, "/eth/v1/node/version", &versionResponse); err != nil {
+	if err := c.handler.Get(ctx, "/eth/v1/node/version", &versionResponse); err != nil {
 		return nil, err
 	}
 
@@ -106,9 +106,9 @@ func (c *beaconApiNodeClient) Peers(ctx context.Context, in *empty.Empty) (*ethp
 // IsReady returns true only if the node is fully synced (200 OK).
 // A 206 Partial Content response indicates the node is syncing and not ready.
 func (c *beaconApiNodeClient) IsReady(ctx context.Context) bool {
-	statusCode, err := c.jsonRestHandler.GetStatusCode(ctx, "/eth/v1/node/health")
+	statusCode, err := c.handler.GetStatusCode(ctx, "/eth/v1/node/health")
 	if err != nil {
-		log.WithError(err).Error("failed to get health of node")
+		log.WithError(err).WithField("url", c.handler.Host()).Error("failed to get health of node")
 		return false
 	}
 	// Only 200 OK means the node is fully synced and ready.
@@ -116,11 +116,11 @@ func (c *beaconApiNodeClient) IsReady(ctx context.Context) bool {
 	return statusCode == http.StatusOK
 }
 
-func NewNodeClientWithFallback(jsonRestHandler rest.RestHandler, fallbackClient iface.NodeClient) iface.NodeClient {
+func NewNodeClientWithFallback(handler rest.Handler, fallbackClient iface.NodeClient) iface.NodeClient {
 	b := &beaconApiNodeClient{
-		jsonRestHandler: jsonRestHandler,
+		handler:         handler,
 		fallbackClient:  fallbackClient,
-		genesisProvider: &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler},
+		genesisProvider: &beaconApiGenesisProvider{handler: handler},
 	}
 	return b
 }

validator/client/beacon-api/beacon_api_node_client_test.go

@@ -120,10 +120,10 @@ func TestGetGenesis(t *testing.T) {
 			)
 
 			depositContractJson := structs.GetDepositContractResponse{}
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			if testCase.queriesDepositContract {
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					"/eth/v1/config/deposit_contract",
 					&depositContractJson,
@@ -137,7 +137,7 @@ func TestGetGenesis(t *testing.T) {
 
 			nodeClient := &beaconApiNodeClient{
 				genesisProvider: genesisProvider,
-				jsonRestHandler: jsonRestHandler,
+				handler:         handler,
 			}
 			response, err := nodeClient.Genesis(ctx, &emptypb.Empty{})
 
@@ -201,8 +201,8 @@ func TestGetSyncStatus(t *testing.T) {
 			ctx := t.Context()
 
 			syncingResponse := structs.SyncStatusResponse{}
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-			jsonRestHandler.EXPECT().Get(
+			handler := mock.NewMockJsonRestHandler(ctrl)
+			handler.EXPECT().Get(
 				gomock.Any(),
 				syncingEndpoint,
 				&syncingResponse,
@@ -213,7 +213,7 @@ func TestGetSyncStatus(t *testing.T) {
 				testCase.restEndpointResponse,
 			)
 
-			nodeClient := &beaconApiNodeClient{jsonRestHandler: jsonRestHandler}
+			nodeClient := &beaconApiNodeClient{handler: handler}
 			syncStatus, err := nodeClient.SyncStatus(ctx, &emptypb.Empty{})
 
 			if testCase.expectedResponse == nil {
@@ -265,8 +265,8 @@ func TestGetVersion(t *testing.T) {
 			ctx := t.Context()
 
 			var versionResponse structs.GetVersionResponse
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-			jsonRestHandler.EXPECT().Get(
+			handler := mock.NewMockJsonRestHandler(ctrl)
+			handler.EXPECT().Get(
 				gomock.Any(),
 				versionEndpoint,
 				&versionResponse,
@@ -277,7 +277,7 @@ func TestGetVersion(t *testing.T) {
 				testCase.restEndpointResponse,
 			)
 
-			nodeClient := &beaconApiNodeClient{jsonRestHandler: jsonRestHandler}
+			nodeClient := &beaconApiNodeClient{handler: handler}
 			version, err := nodeClient.Version(ctx, &emptypb.Empty{})
 
 			if testCase.expectedResponse == nil {
@@ -331,13 +331,14 @@ func TestIsReady(t *testing.T) {
 			defer ctrl.Finish()
 			ctx := t.Context()
 
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-			jsonRestHandler.EXPECT().GetStatusCode(
+			handler := mock.NewMockJsonRestHandler(ctrl)
+			handler.EXPECT().GetStatusCode(
 				gomock.Any(),
 				healthEndpoint,
 			).Return(tc.statusCode, tc.err)
+			handler.EXPECT().Host().Return("http://localhost:3500").AnyTimes()
 
-			nodeClient := &beaconApiNodeClient{jsonRestHandler: jsonRestHandler}
+			nodeClient := &beaconApiNodeClient{handler: handler}
 			result := nodeClient.IsReady(ctx)
 
 			assert.Equal(t, tc.expectedResult, result)

validator/client/beacon-api/beacon_api_validator_client.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/OffchainLabs/prysm/v7/api/client/event"
+	"github.com/OffchainLabs/prysm/v7/api/fallback"
 	"github.com/OffchainLabs/prysm/v7/api/rest"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
@@ -23,22 +24,28 @@ type beaconApiValidatorClient struct {
 	genesisProvider         GenesisProvider
 	dutiesProvider          dutiesProvider
 	stateValidatorsProvider StateValidatorsProvider
-	jsonRestHandler         rest.RestHandler
+	restProvider            rest.RestConnectionProvider
+	handler                 rest.Handler
+	nodeClient              *beaconApiNodeClient
 	beaconBlockConverter    BeaconBlockConverter
 	prysmChainClient        iface.PrysmChainClient
 	isEventStreamRunning    bool
 }
 
-func NewBeaconApiValidatorClient(jsonRestHandler rest.RestHandler, opts ...ValidatorClientOpt) iface.ValidatorClient {
+func NewBeaconApiValidatorClient(provider rest.RestConnectionProvider, opts ...ValidatorClientOpt) iface.ValidatorClient {
+	handler := provider.Handler()
+	nc := &beaconApiNodeClient{handler: handler}
 	c := &beaconApiValidatorClient{
-		genesisProvider:         &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler},
-		dutiesProvider:          beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler},
-		stateValidatorsProvider: beaconApiStateValidatorsProvider{jsonRestHandler: jsonRestHandler},
-		jsonRestHandler:         jsonRestHandler,
+		genesisProvider:         &beaconApiGenesisProvider{handler: handler},
+		dutiesProvider:          beaconApiDutiesProvider{handler: handler},
+		stateValidatorsProvider: beaconApiStateValidatorsProvider{handler: handler},
+		restProvider:            provider,
+		handler:                 handler,
+		nodeClient:              nc,
 		beaconBlockConverter:    beaconApiBeaconBlockConverter{},
 		prysmChainClient: prysmChainClient{
-			nodeClient:      &beaconApiNodeClient{jsonRestHandler: jsonRestHandler},
-			jsonRestHandler: jsonRestHandler,
+			nodeClient: nc,
+			handler:    handler,
 		},
 		isEventStreamRunning: false,
 	}
@@ -280,8 +287,8 @@ func (c *beaconApiValidatorClient) WaitForChainStart(ctx context.Context, _ *emp
 }
 
 func (c *beaconApiValidatorClient) StartEventStream(ctx context.Context, topics []string, eventsChannel chan<- *event.Event) {
-	client := &http.Client{} // event stream should not be subject to the same settings as other api calls, so we won't use c.jsonRestHandler.HttpClient()
-	eventStream, err := event.NewEventStream(ctx, client, c.jsonRestHandler.Host(), topics)
+	client := &http.Client{} // event stream should not be subject to the same settings as other api calls
+	eventStream, err := event.NewEventStream(ctx, client, c.handler.Host(), topics)
 	if err != nil {
 		eventsChannel <- &event.Event{
 			EventType: event.EventError,
@@ -329,9 +336,29 @@ func wrapInMetrics[Resp any](action string, f func() (Resp, error)) (Resp, error
 }
 
 func (c *beaconApiValidatorClient) Host() string {
-	return c.jsonRestHandler.Host()
+	return c.handler.Host()
 }
 
-func (c *beaconApiValidatorClient) SwitchHost(host string) {
-	c.jsonRestHandler.SwitchHost(host)
+func (c *beaconApiValidatorClient) EnsureReady(ctx context.Context) bool {
+	return fallback.EnsureReady(ctx, c.restProvider, c.nodeClient)
+}
+
+// GLOAS Fork Methods
+
+func (c *beaconApiValidatorClient) ExecutionPayloadEnvelope(ctx context.Context, slot primitives.Slot, builderIndex primitives.BuilderIndex) (*ethpb.ExecutionPayloadEnvelope, error) {
+	ctx, span := trace.StartSpan(ctx, "beacon-api.ExecutionPayloadEnvelope")
+	defer span.End()
+
+	return wrapInMetrics[*ethpb.ExecutionPayloadEnvelope]("ExecutionPayloadEnvelope", func() (*ethpb.ExecutionPayloadEnvelope, error) {
+		return c.getExecutionPayloadEnvelope(ctx, slot, builderIndex)
+	})
+}
+
+func (c *beaconApiValidatorClient) PublishExecutionPayloadEnvelope(ctx context.Context, in *ethpb.SignedExecutionPayloadEnvelope) (*empty.Empty, error) {
+	ctx, span := trace.StartSpan(ctx, "beacon-api.PublishExecutionPayloadEnvelope")
+	defer span.End()
+
+	return wrapInMetrics[*empty.Empty]("PublishExecutionPayloadEnvelope", func() (*empty.Empty, error) {
+		return c.publishExecutionPayloadEnvelope(ctx, in)
+	})
 }

validator/client/beacon-api/beacon_api_validator_client_test.go

@@ -31,9 +31,9 @@ func TestBeaconApiValidatorClient_GetAttestationDataValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 	produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v1/validator/attestation_data?committee_index=%d&slot=%d", committeeIndex, slot),
 		&produceAttestationDataResponseJson,
@@ -44,7 +44,7 @@ func TestBeaconApiValidatorClient_GetAttestationDataValid(t *testing.T) {
 		generateValidAttestation(uint64(slot), uint64(committeeIndex)),
 	).Times(2)
 
-	validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := beaconApiValidatorClient{handler: handler}
 	expectedResp, expectedErr := validatorClient.attestationData(ctx, slot, committeeIndex)
 
 	resp, err := validatorClient.AttestationData(
@@ -65,9 +65,9 @@ func TestBeaconApiValidatorClient_GetAttestationDataError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 	produceAttestationDataResponseJson := structs.GetAttestationDataResponse{}
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v1/validator/attestation_data?committee_index=%d&slot=%d", committeeIndex, slot),
 		&produceAttestationDataResponseJson,
@@ -78,7 +78,7 @@ func TestBeaconApiValidatorClient_GetAttestationDataError(t *testing.T) {
 		generateValidAttestation(uint64(slot), uint64(committeeIndex)),
 	).Times(2)
 
-	validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := beaconApiValidatorClient{handler: handler}
 	expectedResp, expectedErr := validatorClient.attestationData(ctx, slot, committeeIndex)
 
 	resp, err := validatorClient.AttestationData(
@@ -139,8 +139,8 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().PostSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().PostSSZ(
 		gomock.Any(),
 		"/eth/v2/beacon/blocks",
 		gomock.Any(),
@@ -149,7 +149,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockValid(t *testing.T) {
 		nil, nil, nil,
 	).Times(1)
 
-	validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := beaconApiValidatorClient{handler: handler}
 	expectedResp, expectedErr := validatorClient.proposeBeaconBlock(
 		ctx,
 		&ethpb.GenericSignedBeaconBlock{
@@ -166,8 +166,8 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockError_ThenPass(t *testing.T)
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().PostSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().PostSSZ(
 		gomock.Any(),
 		"/eth/v2/beacon/blocks",
 		gomock.Any(),
@@ -179,7 +179,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockError_ThenPass(t *testing.T)
 		},
 	).Times(1)
 
-	jsonRestHandler.EXPECT().Post(
+	handler.EXPECT().Post(
 		gomock.Any(),
 		"/eth/v2/beacon/blocks",
 		gomock.Any(),
@@ -189,7 +189,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockError_ThenPass(t *testing.T)
 		nil,
 	).Times(1)
 
-	validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := beaconApiValidatorClient{handler: handler}
 	expectedResp, expectedErr := validatorClient.proposeBeaconBlock(
 		ctx,
 		&ethpb.GenericSignedBeaconBlock{
@@ -308,10 +308,10 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockAllTypes(t *testing.T) {
 			defer ctrl.Finish()
 
 			ctx := t.Context()
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			if !tt.wantErr {
-				jsonRestHandler.EXPECT().PostSSZ(
+				handler.EXPECT().PostSSZ(
 					gomock.Any(),
 					tt.expectedPath,
 					gomock.Any(),
@@ -319,7 +319,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockAllTypes(t *testing.T) {
 				).Return(nil, nil, nil).Times(1)
 			}
 
-			validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := beaconApiValidatorClient{handler: handler}
 			resp, err := validatorClient.proposeBeaconBlock(ctx, tt.block)
 
 			if tt.wantErr {
@@ -366,9 +366,9 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockHTTPErrors(t *testing.T) {
 			defer ctrl.Finish()
 
 			ctx := t.Context()
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
-			jsonRestHandler.EXPECT().PostSSZ(
+			handler.EXPECT().PostSSZ(
 				gomock.Any(),
 				"/eth/v2/beacon/blocks",
 				gomock.Any(),
@@ -377,7 +377,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockHTTPErrors(t *testing.T) {
 
 			if tt.expectJSON {
 				// When SSZ fails, it falls back to JSON
-				jsonRestHandler.EXPECT().Post(
+				handler.EXPECT().Post(
 					gomock.Any(),
 					"/eth/v2/beacon/blocks",
 					gomock.Any(),
@@ -386,7 +386,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockHTTPErrors(t *testing.T) {
 				).Return(tt.sszError).Times(1)
 			}
 
-			validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := beaconApiValidatorClient{handler: handler}
 			_, err := validatorClient.proposeBeaconBlock(
 				ctx,
 				&ethpb.GenericSignedBeaconBlock{
@@ -507,10 +507,10 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockJSONFallback(t *testing.T) {
 			defer ctrl.Finish()
 
 			ctx := t.Context()
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			// SSZ call fails with 406 to trigger JSON fallback
-			jsonRestHandler.EXPECT().PostSSZ(
+			handler.EXPECT().PostSSZ(
 				gomock.Any(),
 				tt.expectedPath,
 				gomock.Any(),
@@ -521,7 +521,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockJSONFallback(t *testing.T) {
 			}).Times(1)
 
 			// JSON fallback
-			jsonRestHandler.EXPECT().Post(
+			handler.EXPECT().Post(
 				gomock.Any(),
 				tt.expectedPath,
 				gomock.Any(),
@@ -529,7 +529,7 @@ func TestBeaconApiValidatorClient_ProposeBeaconBlockJSONFallback(t *testing.T) {
 				gomock.Any(),
 			).Return(tt.jsonError).Times(1)
 
-			validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := beaconApiValidatorClient{handler: handler}
 			resp, err := validatorClient.proposeBeaconBlock(ctx, tt.block)
 
 			if tt.wantErr {
@@ -547,29 +547,12 @@ func TestBeaconApiValidatorClient_Host(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
-	hosts := []string{"http://localhost:8080", "http://localhost:8081"}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().SwitchHost(
-		hosts[0],
-	).Times(1)
-	jsonRestHandler.EXPECT().Host().Return(
-		hosts[0],
-	).Times(1)
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Host().Return("http://localhost:8080").Times(1)
 
-	validatorClient := beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
-	validatorClient.SwitchHost(hosts[0])
+	validatorClient := beaconApiValidatorClient{handler: handler}
 	host := validatorClient.Host()
-	require.Equal(t, hosts[0], host)
-
-	jsonRestHandler.EXPECT().SwitchHost(
-		hosts[1],
-	).Times(1)
-	jsonRestHandler.EXPECT().Host().Return(
-		hosts[1],
-	).Times(1)
-	validatorClient.SwitchHost(hosts[1])
-	host = validatorClient.Host()
-	require.Equal(t, hosts[1], host)
+	require.Equal(t, "http://localhost:8080", host)
 }
 
 // Helper functions for generating test blocks for newer consensus versions

validator/client/beacon-api/beacon_committee_selections.go

@@ -20,7 +20,7 @@ func (c *beaconApiValidatorClient) aggregatedSelection(ctx context.Context, sele
 	}
 
 	var resp aggregatedSelectionResponse
-	err = c.jsonRestHandler.Post(ctx, "/eth/v1/validator/beacon_committee_selections", nil, bytes.NewBuffer(body), &resp)
+	err = c.handler.Post(ctx, "/eth/v1/validator/beacon_committee_selections", nil, bytes.NewBuffer(body), &resp)
 	if err != nil {
 		return nil, errors.Wrap(err, "error calling post endpoint")
 	}

validator/client/beacon-api/beacon_committee_selections_test.go

@@ -89,13 +89,13 @@ func TestGetAggregatedSelections(t *testing.T) {
 	for _, test := range testcases {
 		t.Run(test.name, func(t *testing.T) {
 			ctrl := gomock.NewController(t)
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			reqBody, err := json.Marshal(test.req)
 			require.NoError(t, err)
 
 			ctx := t.Context()
-			jsonRestHandler.EXPECT().Post(
+			handler.EXPECT().Post(
 				gomock.Any(),
 				"/eth/v1/validator/beacon_committee_selections",
 				nil,
@@ -108,7 +108,7 @@ func TestGetAggregatedSelections(t *testing.T) {
 				test.endpointError,
 			).Times(1)
 
-			validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := &beaconApiValidatorClient{handler: handler}
 			res, err := validatorClient.AggregatedSelections(ctx, test.req)
 			if test.expectedErrorMessage != "" {
 				require.ErrorContains(t, test.expectedErrorMessage, err)

validator/client/beacon-api/doppelganger_test.go

@@ -288,12 +288,12 @@ func TestCheckDoppelGanger_Nominal(t *testing.T) {
 			ctrl := gomock.NewController(t)
 			defer ctrl.Finish()
 
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			if testCase.getSyncingOutput != nil {
 				syncingResponseJson := structs.SyncStatusResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					syncingEndpoint,
 					&syncingResponseJson,
@@ -308,7 +308,7 @@ func TestCheckDoppelGanger_Nominal(t *testing.T) {
 			if testCase.getForkOutput != nil {
 				stateForkResponseJson := structs.GetStateForkResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					forkEndpoint,
 					&stateForkResponseJson,
@@ -323,7 +323,7 @@ func TestCheckDoppelGanger_Nominal(t *testing.T) {
 			if testCase.getHeadersOutput != nil {
 				blockHeadersResponseJson := structs.GetBlockHeadersResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					headersEndpoint,
 					&blockHeadersResponseJson,
@@ -342,7 +342,7 @@ func TestCheckDoppelGanger_Nominal(t *testing.T) {
 					marshalledIndexes, err := json.Marshal(iface.inputStringIndexes)
 					require.NoError(t, err)
 
-					jsonRestHandler.EXPECT().Post(
+					handler.EXPECT().Post(
 						gomock.Any(),
 						iface.inputUrl,
 						nil,
@@ -372,7 +372,7 @@ func TestCheckDoppelGanger_Nominal(t *testing.T) {
 			}
 
 			validatorClient := beaconApiValidatorClient{
-				jsonRestHandler:         jsonRestHandler,
+				handler:                 handler,
 				stateValidatorsProvider: stateValidatorsProvider,
 			}
 
@@ -722,12 +722,12 @@ func TestCheckDoppelGanger_Errors(t *testing.T) {
 			ctrl := gomock.NewController(t)
 			defer ctrl.Finish()
 
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			if testCase.getSyncingOutput != nil {
 				syncingResponseJson := structs.SyncStatusResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					syncingEndpoint,
 					&syncingResponseJson,
@@ -742,7 +742,7 @@ func TestCheckDoppelGanger_Errors(t *testing.T) {
 			if testCase.getForkOutput != nil {
 				stateForkResponseJson := structs.GetStateForkResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					forkEndpoint,
 					&stateForkResponseJson,
@@ -757,7 +757,7 @@ func TestCheckDoppelGanger_Errors(t *testing.T) {
 			if testCase.getHeadersOutput != nil {
 				blockHeadersResponseJson := structs.GetBlockHeadersResponse{}
 
-				jsonRestHandler.EXPECT().Get(
+				handler.EXPECT().Get(
 					gomock.Any(),
 					headersEndpoint,
 					&blockHeadersResponseJson,
@@ -790,7 +790,7 @@ func TestCheckDoppelGanger_Errors(t *testing.T) {
 					marshalledIndexes, err := json.Marshal(iface.inputStringIndexes)
 					require.NoError(t, err)
 
-					jsonRestHandler.EXPECT().Post(
+					handler.EXPECT().Post(
 						gomock.Any(),
 						iface.inputUrl,
 						nil,
@@ -806,7 +806,7 @@ func TestCheckDoppelGanger_Errors(t *testing.T) {
 			}
 
 			validatorClient := beaconApiValidatorClient{
-				jsonRestHandler:         jsonRestHandler,
+				handler:                 handler,
 				stateValidatorsProvider: stateValidatorsProvider,
 			}
 

validator/client/beacon-api/duties.go

@@ -28,7 +28,7 @@ type dutiesProvider interface {
 }
 
 type beaconApiDutiesProvider struct {
-	jsonRestHandler rest.RestHandler
+	handler rest.Handler
 }
 
 type attesterDuty struct {
@@ -279,7 +279,7 @@ func (c beaconApiDutiesProvider) Committees(ctx context.Context, epoch primitive
 	committeesRequest := apiutil.BuildURL("/eth/v1/beacon/states/head/committees", committeeParams)
 
 	var stateCommittees structs.GetCommitteesResponse
-	if err := c.jsonRestHandler.Get(ctx, committeesRequest, &stateCommittees); err != nil {
+	if err := c.handler.Get(ctx, committeesRequest, &stateCommittees); err != nil {
 		return nil, err
 	}
 
@@ -309,7 +309,7 @@ func (c beaconApiDutiesProvider) AttesterDuties(ctx context.Context, epoch primi
 	}
 
 	attesterDuties := &structs.GetAttesterDutiesResponse{}
-	if err = c.jsonRestHandler.Post(
+	if err = c.handler.Post(
 		ctx,
 		fmt.Sprintf("/eth/v1/validator/duties/attester/%d", epoch),
 		nil,
@@ -331,7 +331,7 @@ func (c beaconApiDutiesProvider) AttesterDuties(ctx context.Context, epoch primi
 // ProposerDuties retrieves the proposer duties for the given epoch
 func (c beaconApiDutiesProvider) ProposerDuties(ctx context.Context, epoch primitives.Epoch) (*structs.GetProposerDutiesResponse, error) {
 	proposerDuties := &structs.GetProposerDutiesResponse{}
-	if err := c.jsonRestHandler.Get(ctx, fmt.Sprintf("/eth/v1/validator/duties/proposer/%d", epoch), proposerDuties); err != nil {
+	if err := c.handler.Get(ctx, fmt.Sprintf("/eth/v1/validator/duties/proposer/%d", epoch), proposerDuties); err != nil {
 		return nil, err
 	}
 
@@ -361,7 +361,7 @@ func (c beaconApiDutiesProvider) SyncDuties(ctx context.Context, epoch primitive
 	}
 
 	syncDuties := structs.GetSyncCommitteeDutiesResponse{}
-	if err = c.jsonRestHandler.Post(
+	if err = c.handler.Post(
 		ctx,
 		fmt.Sprintf("/eth/v1/validator/duties/sync/%d", epoch),
 		nil,

validator/client/beacon-api/duties_test.go

@@ -60,8 +60,8 @@ func TestGetAttesterDuties_Valid(t *testing.T) {
 	ctx := t.Context()
 
 	validatorIndices := []primitives.ValidatorIndex{2, 9}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getAttesterDutiesTestEndpoint, epoch),
 		nil,
@@ -74,7 +74,7 @@ func TestGetAttesterDuties_Valid(t *testing.T) {
 		expectedAttesterDuties,
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	attesterDuties, err := dutiesProvider.AttesterDuties(ctx, epoch, validatorIndices)
 	require.NoError(t, err)
 	assert.DeepEqual(t, expectedAttesterDuties.Data, attesterDuties.Data)
@@ -88,8 +88,8 @@ func TestGetAttesterDuties_HttpError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getAttesterDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -99,7 +99,7 @@ func TestGetAttesterDuties_HttpError(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.AttesterDuties(ctx, epoch, nil)
 	assert.ErrorContains(t, "foo error", err)
 }
@@ -112,8 +112,8 @@ func TestGetAttesterDuties_NilAttesterDuty(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getAttesterDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -128,7 +128,7 @@ func TestGetAttesterDuties_NilAttesterDuty(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.AttesterDuties(ctx, epoch, nil)
 	assert.ErrorContains(t, "attester duty at index `0` is nil", err)
 }
@@ -156,8 +156,8 @@ func TestGetProposerDuties_Valid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getProposerDutiesTestEndpoint, epoch),
 		&structs.GetProposerDutiesResponse{},
@@ -168,7 +168,7 @@ func TestGetProposerDuties_Valid(t *testing.T) {
 		expectedProposerDuties,
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	proposerDuties, err := dutiesProvider.ProposerDuties(ctx, epoch)
 	require.NoError(t, err)
 	assert.DeepEqual(t, expectedProposerDuties.Data, proposerDuties.Data)
@@ -182,8 +182,8 @@ func TestGetProposerDuties_HttpError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getProposerDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -191,7 +191,7 @@ func TestGetProposerDuties_HttpError(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.ProposerDuties(ctx, epoch)
 	assert.ErrorContains(t, "foo error", err)
 }
@@ -204,8 +204,8 @@ func TestGetProposerDuties_NilData(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getProposerDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -218,7 +218,7 @@ func TestGetProposerDuties_NilData(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.ProposerDuties(ctx, epoch)
 	assert.ErrorContains(t, "proposer duties data is nil", err)
 }
@@ -231,8 +231,8 @@ func TestGetProposerDuties_NilProposerDuty(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getProposerDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -245,7 +245,7 @@ func TestGetProposerDuties_NilProposerDuty(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.ProposerDuties(ctx, epoch)
 	assert.ErrorContains(t, "proposer duty at index `0` is nil", err)
 }
@@ -284,8 +284,8 @@ func TestGetSyncDuties_Valid(t *testing.T) {
 	ctx := t.Context()
 
 	validatorIndices := []primitives.ValidatorIndex{2, 6}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getSyncDutiesTestEndpoint, epoch),
 		nil,
@@ -298,7 +298,7 @@ func TestGetSyncDuties_Valid(t *testing.T) {
 		expectedSyncDuties,
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	syncDuties, err := dutiesProvider.SyncDuties(ctx, epoch, validatorIndices)
 	require.NoError(t, err)
 	assert.DeepEqual(t, expectedSyncDuties.Data, syncDuties)
@@ -312,8 +312,8 @@ func TestGetSyncDuties_HttpError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getSyncDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -323,7 +323,7 @@ func TestGetSyncDuties_HttpError(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.SyncDuties(ctx, epoch, nil)
 	assert.ErrorContains(t, "foo error", err)
 }
@@ -336,8 +336,8 @@ func TestGetSyncDuties_NilData(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getSyncDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -352,7 +352,7 @@ func TestGetSyncDuties_NilData(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.SyncDuties(ctx, epoch, nil)
 	assert.ErrorContains(t, "sync duties data is nil", err)
 }
@@ -365,8 +365,8 @@ func TestGetSyncDuties_NilSyncDuty(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		fmt.Sprintf("%s/%d", getSyncDutiesTestEndpoint, epoch),
 		gomock.Any(),
@@ -381,7 +381,7 @@ func TestGetSyncDuties_NilSyncDuty(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.SyncDuties(ctx, epoch, nil)
 	assert.ErrorContains(t, "sync duty at index `0` is nil", err)
 }
@@ -415,8 +415,8 @@ func TestGetCommittees_Valid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s?epoch=%d", getCommitteesTestEndpoint, epoch),
 		&structs.GetCommitteesResponse{},
@@ -427,7 +427,7 @@ func TestGetCommittees_Valid(t *testing.T) {
 		expectedCommittees,
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	committees, err := dutiesProvider.Committees(ctx, epoch)
 	require.NoError(t, err)
 	assert.DeepEqual(t, expectedCommittees.Data, committees)
@@ -441,8 +441,8 @@ func TestGetCommittees_HttpError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s?epoch=%d", getCommitteesTestEndpoint, epoch),
 		gomock.Any(),
@@ -450,7 +450,7 @@ func TestGetCommittees_HttpError(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.Committees(ctx, epoch)
 	assert.ErrorContains(t, "foo error", err)
 }
@@ -463,8 +463,8 @@ func TestGetCommittees_NilData(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s?epoch=%d", getCommitteesTestEndpoint, epoch),
 		gomock.Any(),
@@ -477,7 +477,7 @@ func TestGetCommittees_NilData(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.Committees(ctx, epoch)
 	assert.ErrorContains(t, "state committees data is nil", err)
 }
@@ -490,8 +490,8 @@ func TestGetCommittees_NilCommittee(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		fmt.Sprintf("%s?epoch=%d", getCommitteesTestEndpoint, epoch),
 		gomock.Any(),
@@ -504,7 +504,7 @@ func TestGetCommittees_NilCommittee(t *testing.T) {
 		},
 	).Times(1)
 
-	dutiesProvider := &beaconApiDutiesProvider{jsonRestHandler: jsonRestHandler}
+	dutiesProvider := &beaconApiDutiesProvider{handler: handler}
 	_, err := dutiesProvider.Committees(ctx, epoch)
 	assert.ErrorContains(t, "committee at index `0` is nil", err)
 }

validator/client/beacon-api/genesis.go

@@ -21,9 +21,9 @@ type GenesisProvider interface {
 }
 
 type beaconApiGenesisProvider struct {
-	jsonRestHandler rest.RestHandler
-	genesis         *structs.Genesis
-	once            sync.Once
+	handler rest.Handler
+	genesis *structs.Genesis
+	once    sync.Once
 }
 
 func (c *beaconApiValidatorClient) waitForChainStart(ctx context.Context) (*ethpb.ChainStartResponse, error) {
@@ -69,7 +69,7 @@ func (c *beaconApiGenesisProvider) Genesis(ctx context.Context) (*structs.Genesi
 	genesisJson := &structs.GetGenesisResponse{}
 	var doErr error
 	c.once.Do(func() {
-		if err := c.jsonRestHandler.Get(ctx, "/eth/v1/beacon/genesis", genesisJson); err != nil {
+		if err := c.handler.Get(ctx, "/eth/v1/beacon/genesis", genesisJson); err != nil {
 			doErr = err
 			return
 		}

validator/client/beacon-api/genesis_test.go

@@ -18,8 +18,8 @@ func TestGetGenesis_ValidGenesis(t *testing.T) {
 	ctx := t.Context()
 
 	genesisResponseJson := structs.GetGenesisResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		"/eth/v1/beacon/genesis",
 		&genesisResponseJson,
@@ -35,7 +35,7 @@ func TestGetGenesis_ValidGenesis(t *testing.T) {
 		},
 	).Times(1)
 
-	genesisProvider := &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler}
+	genesisProvider := &beaconApiGenesisProvider{handler: handler}
 	resp, err := genesisProvider.Genesis(ctx)
 	assert.NoError(t, err)
 	require.NotNil(t, resp)
@@ -50,8 +50,8 @@ func TestGetGenesis_NilData(t *testing.T) {
 	ctx := t.Context()
 
 	genesisResponseJson := structs.GetGenesisResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		"/eth/v1/beacon/genesis",
 		&genesisResponseJson,
@@ -62,7 +62,7 @@ func TestGetGenesis_NilData(t *testing.T) {
 		structs.GetGenesisResponse{Data: nil},
 	).Times(1)
 
-	genesisProvider := &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler}
+	genesisProvider := &beaconApiGenesisProvider{handler: handler}
 	_, err := genesisProvider.Genesis(ctx)
 	assert.ErrorContains(t, "genesis data is nil", err)
 }
@@ -74,8 +74,8 @@ func TestGetGenesis_EndpointCalledOnlyOnce(t *testing.T) {
 	ctx := t.Context()
 
 	genesisResponseJson := structs.GetGenesisResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		"/eth/v1/beacon/genesis",
 		&genesisResponseJson,
@@ -91,7 +91,7 @@ func TestGetGenesis_EndpointCalledOnlyOnce(t *testing.T) {
 		},
 	).Times(1)
 
-	genesisProvider := &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler}
+	genesisProvider := &beaconApiGenesisProvider{handler: handler}
 	_, err := genesisProvider.Genesis(ctx)
 	assert.NoError(t, err)
 	resp, err := genesisProvider.Genesis(ctx)
@@ -108,15 +108,15 @@ func TestGetGenesis_EndpointCanBeCalledAgainAfterError(t *testing.T) {
 	ctx := t.Context()
 
 	genesisResponseJson := structs.GetGenesisResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Get(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Get(
 		gomock.Any(),
 		"/eth/v1/beacon/genesis",
 		&genesisResponseJson,
 	).Return(
 		errors.New("foo"),
 	).Times(1)
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		"/eth/v1/beacon/genesis",
 		&genesisResponseJson,
@@ -132,7 +132,7 @@ func TestGetGenesis_EndpointCanBeCalledAgainAfterError(t *testing.T) {
 		},
 	).Times(1)
 
-	genesisProvider := &beaconApiGenesisProvider{jsonRestHandler: jsonRestHandler}
+	genesisProvider := &beaconApiGenesisProvider{handler: handler}
 	_, err := genesisProvider.Genesis(ctx)
 	require.ErrorContains(t, "foo", err)
 	resp, err := genesisProvider.Genesis(ctx)

validator/client/beacon-api/get_beacon_block.go

@@ -26,7 +26,7 @@ func (c *beaconApiValidatorClient) beaconBlock(ctx context.Context, slot primiti
 		queryParams.Add("graffiti", hexutil.Encode(graffiti))
 	}
 	queryUrl := apiutil.BuildURL(fmt.Sprintf("/eth/v3/validator/blocks/%d", slot), queryParams)
-	data, header, err := c.jsonRestHandler.GetSSZ(ctx, queryUrl)
+	data, header, err := c.handler.GetSSZ(ctx, queryUrl)
 	if err != nil {
 		return nil, err
 	}

validator/client/beacon-api/get_beacon_block_test.go

@@ -25,8 +25,8 @@ func TestGetBeaconBlock_RequestFailed(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		gomock.Any(),
 	).Return(
@@ -35,7 +35,7 @@ func TestGetBeaconBlock_RequestFailed(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err := validatorClient.beaconBlock(ctx, 1, []byte{1}, []byte{2})
 	assert.ErrorContains(t, "foo error", err)
 }
@@ -149,8 +149,8 @@ func TestGetBeaconBlock_Error(t *testing.T) {
 
 			b, err := json.Marshal(resp)
 			require.NoError(t, err)
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-			jsonRestHandler.EXPECT().GetSSZ(
+			handler := mock.NewMockJsonRestHandler(ctrl)
+			handler.EXPECT().GetSSZ(
 				gomock.Any(),
 				gomock.Any(),
 			).Return(
@@ -159,7 +159,7 @@ func TestGetBeaconBlock_Error(t *testing.T) {
 				nil,
 			).Times(1)
 
-			validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := &beaconApiValidatorClient{handler: handler}
 			_, err = validatorClient.beaconBlock(ctx, 1, []byte{1}, []byte{2})
 			assert.ErrorContains(t, testCase.expectedErrorMessage, err)
 		})
@@ -185,8 +185,8 @@ func TestGetBeaconBlock_Phase0Valid(t *testing.T) {
 		Data:    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -195,7 +195,7 @@ func TestGetBeaconBlock_Phase0Valid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -224,8 +224,8 @@ func TestGetBeaconBlock_SSZ_BellatrixValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -238,7 +238,7 @@ func TestGetBeaconBlock_SSZ_BellatrixValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -266,8 +266,8 @@ func TestGetBeaconBlock_SSZ_BlindedBellatrixValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -280,7 +280,7 @@ func TestGetBeaconBlock_SSZ_BlindedBellatrixValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -308,8 +308,8 @@ func TestGetBeaconBlock_SSZ_CapellaValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -322,7 +322,7 @@ func TestGetBeaconBlock_SSZ_CapellaValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -350,8 +350,8 @@ func TestGetBeaconBlock_SSZ_BlindedCapellaValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -364,7 +364,7 @@ func TestGetBeaconBlock_SSZ_BlindedCapellaValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -392,8 +392,8 @@ func TestGetBeaconBlock_SSZ_DenebValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -406,7 +406,7 @@ func TestGetBeaconBlock_SSZ_DenebValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -434,8 +434,8 @@ func TestGetBeaconBlock_SSZ_BlindedDenebValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -448,7 +448,7 @@ func TestGetBeaconBlock_SSZ_BlindedDenebValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -476,8 +476,8 @@ func TestGetBeaconBlock_SSZ_ElectraValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -490,7 +490,7 @@ func TestGetBeaconBlock_SSZ_ElectraValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -518,8 +518,8 @@ func TestGetBeaconBlock_SSZ_BlindedElectraValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -532,7 +532,7 @@ func TestGetBeaconBlock_SSZ_BlindedElectraValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -556,8 +556,8 @@ func TestGetBeaconBlock_SSZ_UnsupportedVersion(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -570,7 +570,7 @@ func TestGetBeaconBlock_SSZ_UnsupportedVersion(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	assert.ErrorContains(t, "version name doesn't map to a known value in the enum", err)
 }
@@ -589,8 +589,8 @@ func TestGetBeaconBlock_SSZ_InvalidBlindedHeader(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -603,7 +603,7 @@ func TestGetBeaconBlock_SSZ_InvalidBlindedHeader(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err = validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	assert.ErrorContains(t, "strconv.ParseBool: parsing \"invalid\": invalid syntax", err)
 }
@@ -622,8 +622,8 @@ func TestGetBeaconBlock_SSZ_InvalidVersionHeader(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -636,7 +636,7 @@ func TestGetBeaconBlock_SSZ_InvalidVersionHeader(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err = validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	assert.ErrorContains(t, "unsupported header version invalid", err)
 }
@@ -651,8 +651,8 @@ func TestGetBeaconBlock_SSZ_GetSSZError(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -661,7 +661,7 @@ func TestGetBeaconBlock_SSZ_GetSSZError(t *testing.T) {
 		errors.New("get ssz error"),
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	_, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	assert.ErrorContains(t, "get ssz error", err)
 }
@@ -680,8 +680,8 @@ func TestGetBeaconBlock_SSZ_Phase0Valid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -694,7 +694,7 @@ func TestGetBeaconBlock_SSZ_Phase0Valid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -722,8 +722,8 @@ func TestGetBeaconBlock_SSZ_AltairValid(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -736,7 +736,7 @@ func TestGetBeaconBlock_SSZ_AltairValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -770,8 +770,8 @@ func TestGetBeaconBlock_AltairValid(t *testing.T) {
 		Data:    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -780,7 +780,7 @@ func TestGetBeaconBlock_AltairValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -814,8 +814,8 @@ func TestGetBeaconBlock_BellatrixValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -824,7 +824,7 @@ func TestGetBeaconBlock_BellatrixValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -859,8 +859,8 @@ func TestGetBeaconBlock_BlindedBellatrixValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -869,7 +869,7 @@ func TestGetBeaconBlock_BlindedBellatrixValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -904,8 +904,8 @@ func TestGetBeaconBlock_CapellaValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -914,7 +914,7 @@ func TestGetBeaconBlock_CapellaValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -949,8 +949,8 @@ func TestGetBeaconBlock_BlindedCapellaValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -959,7 +959,7 @@ func TestGetBeaconBlock_BlindedCapellaValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -994,8 +994,8 @@ func TestGetBeaconBlock_DenebValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -1004,7 +1004,7 @@ func TestGetBeaconBlock_DenebValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -1039,8 +1039,8 @@ func TestGetBeaconBlock_BlindedDenebValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -1049,7 +1049,7 @@ func TestGetBeaconBlock_BlindedDenebValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -1084,8 +1084,8 @@ func TestGetBeaconBlock_ElectraValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -1094,7 +1094,7 @@ func TestGetBeaconBlock_ElectraValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 
@@ -1129,8 +1129,8 @@ func TestGetBeaconBlock_BlindedElectraValid(t *testing.T) {
 		Data:                    bytes,
 	})
 	require.NoError(t, err)
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().GetSSZ(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().GetSSZ(
 		gomock.Any(),
 		fmt.Sprintf("/eth/v3/validator/blocks/%d?graffiti=%s&randao_reveal=%s", slot, hexutil.Encode(graffiti), hexutil.Encode(randaoReveal)),
 	).Return(
@@ -1139,7 +1139,7 @@ func TestGetBeaconBlock_BlindedElectraValid(t *testing.T) {
 		nil,
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	beaconBlock, err := validatorClient.beaconBlock(ctx, slot, randaoReveal, graffiti)
 	require.NoError(t, err)
 

validator/client/beacon-api/gloas.go

@@ -0,0 +1,122 @@
+package beacon_api
+
+import (
+	"context"
+	"fmt"
+	neturl "net/url"
+
+	"github.com/OffchainLabs/prysm/v7/api/apiutil"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/pkg/errors"
+)
+
+// getExecutionPayloadEnvelope retrieves the execution payload envelope for the given
+// slot and builder index. This is called by validators after receiving a GLOAS block
+// to get the envelope they need to sign and broadcast.
+//
+// REST endpoint: GET /eth/v1/validator/execution_payload_envelope/{slot}/{builder_index}
+func (c *beaconApiValidatorClient) getExecutionPayloadEnvelope(
+	ctx context.Context,
+	slot primitives.Slot,
+	builderIndex primitives.BuilderIndex,
+) (*ethpb.ExecutionPayloadEnvelope, error) {
+	// TODO: Implement execution payload envelope retrieval
+	//
+	// Implementation steps:
+	// 1. Build URL with slot and builder_index path parameters
+	// 2. Make GET request (support both JSON and SSZ based on Accept header)
+	// 3. Parse response
+	// 4. Convert to proto type
+	// 5. Return envelope
+
+	queryUrl := apiutil.BuildURL(
+		fmt.Sprintf("/eth/v1/validator/execution_payload_envelope/%d/%d", slot, builderIndex),
+		neturl.Values{},
+	)
+
+	_ = queryUrl
+
+	return nil, errors.New("getExecutionPayloadEnvelope not yet implemented")
+}
+
+// publishExecutionPayloadEnvelope broadcasts a signed execution payload envelope
+// to the beacon node for P2P gossip.
+//
+// REST endpoint: POST /eth/v1/beacon/execution_payload_envelope
+func (c *beaconApiValidatorClient) publishExecutionPayloadEnvelope(
+	ctx context.Context,
+	envelope *ethpb.SignedExecutionPayloadEnvelope,
+) (*empty.Empty, error) {
+	// TODO: Implement envelope publishing
+	//
+	// Implementation steps:
+	// 1. Convert proto envelope to JSON struct
+	// 2. Serialize to JSON (or SSZ based on Content-Type)
+	// 3. POST to /eth/v1/beacon/execution_payload_envelope
+	// 4. Handle response (200 = success, 4xx = validation error)
+
+	if envelope == nil || envelope.Message == nil {
+		return nil, errors.New("signed envelope cannot be nil")
+	}
+
+	return nil, errors.New("publishExecutionPayloadEnvelope not yet implemented")
+}
+
+// signedEnvelopeToJSON converts a proto SignedExecutionPayloadEnvelope to its JSON representation.
+func signedEnvelopeToJSON(envelope *ethpb.SignedExecutionPayloadEnvelope) (any, error) {
+	// TODO: Implement conversion from proto to JSON struct
+	//
+	// Convert each field:
+	// - message.payload: Marshal ExecutionPayloadDeneb to JSON
+	// - message.execution_requests: Marshal to JSON
+	// - message.builder_index: Format as decimal string
+	// - message.beacon_block_root: Hex encode with 0x prefix
+	// - message.slot: Format as decimal string
+	// - message.blob_kzg_commitments: Hex encode each with 0x prefix
+	// - message.state_root: Hex encode with 0x prefix
+	// - signature: Hex encode with 0x prefix
+
+	return nil, errors.New("signedEnvelopeToJSON not yet implemented")
+}
+
+// envelopeJSONToProto converts a JSON execution payload envelope to proto type.
+func envelopeJSONToProto(jsonEnvelope any) (*ethpb.ExecutionPayloadEnvelope, error) {
+	// TODO: Implement conversion from JSON to proto
+	//
+	// Parse each field:
+	// - payload: Unmarshal ExecutionPayloadDeneb from JSON
+	// - execution_requests: Unmarshal from JSON
+	// - builder_index: Parse uint64 from decimal string
+	// - beacon_block_root: Hex decode (strip 0x prefix)
+	// - slot: Parse uint64 from decimal string
+	// - blob_kzg_commitments: Hex decode each (strip 0x prefix)
+	// - state_root: Hex decode (strip 0x prefix)
+
+	return nil, errors.New("envelopeJSONToProto not yet implemented")
+}
+
+// processGloasBlock handles GLOAS block responses from the beacon node.
+// This is called from processBlockJSONResponse when the version is "gloas".
+func processGloasBlock(jsonBlock any) (*ethpb.GenericBeaconBlock, error) {
+	// TODO: Implement GLOAS block processing
+	//
+	// Convert the JSON block to proto BeaconBlockGloas:
+	// 1. Parse BeaconBlockGloas fields
+	// 2. Parse BeaconBlockBodyGloas with signed_execution_payload_bid
+	// 3. Parse payload_attestations
+	// 4. Return GenericBeaconBlock with Gloas variant
+
+	return nil, errors.New("processGloasBlock not yet implemented")
+}
+
+// processBlockSSZResponseGloas handles SSZ-encoded GLOAS block responses.
+func processBlockSSZResponseGloas(data []byte) (*ethpb.GenericBeaconBlock, error) {
+	// TODO: Implement SSZ deserialization for GLOAS blocks
+	//
+	// Note: GLOAS blocks don't have a "blinded" variant in the same way
+	// as previous forks because the execution payload is always separate.
+
+	return nil, errors.New("processBlockSSZResponseGloas not yet implemented")
+}

validator/client/beacon-api/index_test.go

@@ -41,9 +41,9 @@ func TestIndex_Nominal(t *testing.T) {
 	ctx := t.Context()
 
 	stateValidatorsResponseJson := structs.GetValidatorsResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
-	jsonRestHandler.EXPECT().Post(
+	handler.EXPECT().Post(
 		gomock.Any(),
 		"/eth/v1/beacon/states/head/validators",
 		nil,
@@ -68,7 +68,7 @@ func TestIndex_Nominal(t *testing.T) {
 
 	validatorClient := beaconApiValidatorClient{
 		stateValidatorsProvider: beaconApiStateValidatorsProvider{
-			jsonRestHandler: jsonRestHandler,
+			handler: handler,
 		},
 	}
 
@@ -91,9 +91,9 @@ func TestIndex_UnexistingValidator(t *testing.T) {
 	ctx := t.Context()
 
 	stateValidatorsResponseJson := structs.GetValidatorsResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
-	jsonRestHandler.EXPECT().Post(
+	handler.EXPECT().Post(
 		gomock.Any(),
 		"/eth/v1/beacon/states/head/validators",
 		nil,
@@ -110,7 +110,7 @@ func TestIndex_UnexistingValidator(t *testing.T) {
 
 	validatorClient := beaconApiValidatorClient{
 		stateValidatorsProvider: beaconApiStateValidatorsProvider{
-			jsonRestHandler: jsonRestHandler,
+			handler: handler,
 		},
 	}
 
@@ -133,9 +133,9 @@ func TestIndex_BadIndexError(t *testing.T) {
 	ctx := t.Context()
 
 	stateValidatorsResponseJson := structs.GetValidatorsResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
-	jsonRestHandler.EXPECT().Post(
+	handler.EXPECT().Post(
 		gomock.Any(),
 		"/eth/v1/beacon/states/head/validators",
 		nil,
@@ -160,7 +160,7 @@ func TestIndex_BadIndexError(t *testing.T) {
 
 	validatorClient := beaconApiValidatorClient{
 		stateValidatorsProvider: beaconApiStateValidatorsProvider{
-			jsonRestHandler: jsonRestHandler,
+			handler: handler,
 		},
 	}
 
@@ -182,9 +182,9 @@ func TestIndex_JsonResponseError(t *testing.T) {
 	ctx := t.Context()
 
 	stateValidatorsResponseJson := structs.GetValidatorsResponse{}
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+	handler := mock.NewMockJsonRestHandler(ctrl)
 
-	jsonRestHandler.EXPECT().Post(
+	handler.EXPECT().Post(
 		gomock.Any(),
 		"/eth/v1/beacon/states/head/validators",
 		nil,
@@ -207,7 +207,7 @@ func TestIndex_JsonResponseError(t *testing.T) {
 		queryParams.Add("status", st)
 	}
 
-	jsonRestHandler.EXPECT().Get(
+	handler.EXPECT().Get(
 		gomock.Any(),
 		apiutil.BuildURL("/eth/v1/beacon/states/head/validators", queryParams),
 		&stateValidatorsResponseJson,
@@ -217,7 +217,7 @@ func TestIndex_JsonResponseError(t *testing.T) {
 
 	validatorClient := beaconApiValidatorClient{
 		stateValidatorsProvider: beaconApiStateValidatorsProvider{
-			jsonRestHandler: jsonRestHandler,
+			handler: handler,
 		},
 	}
 

validator/client/beacon-api/mock/json_rest_handler_mock.go

@@ -1,9 +1,9 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: validator/client/beacon-api/rest_handler_client.go
+// Source: api/rest/rest_handler.go
 //
 // Generated by this command:
 //
-//	mockgen -package=mock -source=validator/client/beacon-api/rest_handler_client.go -destination=validator/client/beacon-api/mock/json_rest_handler_mock.go RestHandler
+//	mockgen -package=mock -source=api/rest/rest_handler.go -destination=validator/client/beacon-api/mock/json_rest_handler_mock.go Handler
 //
 
 // Package mock is a generated GoMock package.
@@ -19,36 +19,39 @@ import (
 )
 
 // Backward compatibility aliases for the renamed mock type.
-type MockJsonRestHandler = MockRestHandler
-type MockJsonRestHandlerMockRecorder = MockRestHandlerMockRecorder
+type MockJsonRestHandler = MockHandler
+type MockJsonRestHandlerMockRecorder = MockHandlerMockRecorder
+type MockRestHandler = MockHandler
+type MockRestHandlerMockRecorder = MockHandlerMockRecorder
 
-var NewMockJsonRestHandler = NewMockRestHandler
+var NewMockJsonRestHandler = NewMockHandler
+var NewMockRestHandler = NewMockHandler
 
-// MockRestHandler is a mock of RestHandler interface.
-type MockRestHandler struct {
+// MockHandler is a mock of Handler interface.
+type MockHandler struct {
 	ctrl     *gomock.Controller
-	recorder *MockRestHandlerMockRecorder
+	recorder *MockHandlerMockRecorder
 }
 
-// MockRestHandlerMockRecorder is the mock recorder for MockRestHandler.
-type MockRestHandlerMockRecorder struct {
-	mock *MockRestHandler
+// MockHandlerMockRecorder is the mock recorder for MockHandler.
+type MockHandlerMockRecorder struct {
+	mock *MockHandler
 }
 
-// NewMockRestHandler creates a new mock instance.
-func NewMockRestHandler(ctrl *gomock.Controller) *MockRestHandler {
-	mock := &MockRestHandler{ctrl: ctrl}
-	mock.recorder = &MockRestHandlerMockRecorder{mock}
+// NewMockHandler creates a new mock instance.
+func NewMockHandler(ctrl *gomock.Controller) *MockHandler {
+	mock := &MockHandler{ctrl: ctrl}
+	mock.recorder = &MockHandlerMockRecorder{mock}
 	return mock
 }
 
 // EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockRestHandler) EXPECT() *MockRestHandlerMockRecorder {
+func (m *MockHandler) EXPECT() *MockHandlerMockRecorder {
 	return m.recorder
 }
 
 // Get mocks base method.
-func (m *MockRestHandler) Get(ctx context.Context, endpoint string, resp any) error {
+func (m *MockHandler) Get(ctx context.Context, endpoint string, resp any) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Get", ctx, endpoint, resp)
 	ret0, _ := ret[0].(error)
@@ -56,13 +59,13 @@ func (m *MockRestHandler) Get(ctx context.Context, endpoint string, resp any) er
 }
 
 // Get indicates an expected call of Get.
-func (mr *MockRestHandlerMockRecorder) Get(ctx, endpoint, resp any) *gomock.Call {
+func (mr *MockHandlerMockRecorder) Get(ctx, endpoint, resp any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Get", reflect.TypeOf((*MockRestHandler)(nil).Get), ctx, endpoint, resp)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Get", reflect.TypeOf((*MockHandler)(nil).Get), ctx, endpoint, resp)
 }
 
 // GetSSZ mocks base method.
-func (m *MockRestHandler) GetSSZ(ctx context.Context, endpoint string) ([]byte, http.Header, error) {
+func (m *MockHandler) GetSSZ(ctx context.Context, endpoint string) ([]byte, http.Header, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetSSZ", ctx, endpoint)
 	ret0, _ := ret[0].([]byte)
@@ -72,13 +75,13 @@ func (m *MockRestHandler) GetSSZ(ctx context.Context, endpoint string) ([]byte,
 }
 
 // GetSSZ indicates an expected call of GetSSZ.
-func (mr *MockRestHandlerMockRecorder) GetSSZ(ctx, endpoint any) *gomock.Call {
+func (mr *MockHandlerMockRecorder) GetSSZ(ctx, endpoint any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSSZ", reflect.TypeOf((*MockRestHandler)(nil).GetSSZ), ctx, endpoint)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSSZ", reflect.TypeOf((*MockHandler)(nil).GetSSZ), ctx, endpoint)
 }
 
 // GetStatusCode mocks base method.
-func (m *MockRestHandler) GetStatusCode(ctx context.Context, endpoint string) (int, error) {
+func (m *MockHandler) GetStatusCode(ctx context.Context, endpoint string) (int, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetStatusCode", ctx, endpoint)
 	ret0, _ := ret[0].(int)
@@ -87,13 +90,13 @@ func (m *MockRestHandler) GetStatusCode(ctx context.Context, endpoint string) (i
 }
 
 // GetStatusCode indicates an expected call of GetStatusCode.
-func (mr *MockRestHandlerMockRecorder) GetStatusCode(ctx, endpoint any) *gomock.Call {
+func (mr *MockHandlerMockRecorder) GetStatusCode(ctx, endpoint any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetStatusCode", reflect.TypeOf((*MockRestHandler)(nil).GetStatusCode), ctx, endpoint)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetStatusCode", reflect.TypeOf((*MockHandler)(nil).GetStatusCode), ctx, endpoint)
 }
 
 // Host mocks base method.
-func (m *MockRestHandler) Host() string {
+func (m *MockHandler) Host() string {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Host")
 	ret0, _ := ret[0].(string)
@@ -101,27 +104,13 @@ func (m *MockRestHandler) Host() string {
 }
 
 // Host indicates an expected call of Host.
-func (mr *MockRestHandlerMockRecorder) Host() *gomock.Call {
+func (mr *MockHandlerMockRecorder) Host() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Host", reflect.TypeOf((*MockRestHandler)(nil).Host))
-}
-
-// HttpClient mocks base method.
-func (m *MockRestHandler) HttpClient() *http.Client {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "HttpClient")
-	ret0, _ := ret[0].(*http.Client)
-	return ret0
-}
-
-// HttpClient indicates an expected call of HttpClient.
-func (mr *MockRestHandlerMockRecorder) HttpClient() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HttpClient", reflect.TypeOf((*MockRestHandler)(nil).HttpClient))
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Host", reflect.TypeOf((*MockHandler)(nil).Host))
 }
 
 // Post mocks base method.
-func (m *MockRestHandler) Post(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer, resp any) error {
+func (m *MockHandler) Post(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer, resp any) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Post", ctx, endpoint, headers, data, resp)
 	ret0, _ := ret[0].(error)
@@ -129,13 +118,13 @@ func (m *MockRestHandler) Post(ctx context.Context, endpoint string, headers map
 }
 
 // Post indicates an expected call of Post.
-func (mr *MockRestHandlerMockRecorder) Post(ctx, endpoint, headers, data, resp any) *gomock.Call {
+func (mr *MockHandlerMockRecorder) Post(ctx, endpoint, headers, data, resp any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Post", reflect.TypeOf((*MockRestHandler)(nil).Post), ctx, endpoint, headers, data, resp)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Post", reflect.TypeOf((*MockHandler)(nil).Post), ctx, endpoint, headers, data, resp)
 }
 
 // PostSSZ mocks base method.
-func (m *MockRestHandler) PostSSZ(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer) ([]byte, http.Header, error) {
+func (m *MockHandler) PostSSZ(ctx context.Context, endpoint string, headers map[string]string, data *bytes.Buffer) ([]byte, http.Header, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "PostSSZ", ctx, endpoint, headers, data)
 	ret0, _ := ret[0].([]byte)
@@ -145,19 +134,7 @@ func (m *MockRestHandler) PostSSZ(ctx context.Context, endpoint string, headers
 }
 
 // PostSSZ indicates an expected call of PostSSZ.
-func (mr *MockRestHandlerMockRecorder) PostSSZ(ctx, endpoint, headers, data any) *gomock.Call {
+func (mr *MockHandlerMockRecorder) PostSSZ(ctx, endpoint, headers, data any) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PostSSZ", reflect.TypeOf((*MockRestHandler)(nil).PostSSZ), ctx, endpoint, headers, data)
-}
-
-// SwitchHost mocks base method.
-func (m *MockRestHandler) SwitchHost(host string) {
-	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SwitchHost", host)
-}
-
-// SwitchHost indicates an expected call of SwitchHost.
-func (mr *MockRestHandlerMockRecorder) SwitchHost(host any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SwitchHost", reflect.TypeOf((*MockRestHandler)(nil).SwitchHost), host)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PostSSZ", reflect.TypeOf((*MockHandler)(nil).PostSSZ), ctx, endpoint, headers, data)
 }

validator/client/beacon-api/prepare_beacon_proposer.go

@@ -26,5 +26,5 @@ func (c *beaconApiValidatorClient) prepareBeaconProposer(ctx context.Context, re
 		return errors.Wrap(err, "failed to marshal recipients")
 	}
 
-	return c.jsonRestHandler.Post(ctx, "/eth/v1/validator/prepare_beacon_proposer", nil, bytes.NewBuffer(marshalledJsonRecipients), nil)
+	return c.handler.Post(ctx, "/eth/v1/validator/prepare_beacon_proposer", nil, bytes.NewBuffer(marshalledJsonRecipients), nil)
 }

validator/client/beacon-api/prepare_beacon_proposer_test.go

@@ -45,8 +45,8 @@ func TestPrepareBeaconProposer_Valid(t *testing.T) {
 	marshalledJsonRecipients, err := json.Marshal(jsonRecipients)
 	require.NoError(t, err)
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		prepareBeaconProposerTestEndpoint,
 		nil,
@@ -78,7 +78,7 @@ func TestPrepareBeaconProposer_Valid(t *testing.T) {
 		},
 	}
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	err = validatorClient.prepareBeaconProposer(ctx, protoRecipients)
 	require.NoError(t, err)
 }
@@ -89,8 +89,8 @@ func TestPrepareBeaconProposer_BadRequest(t *testing.T) {
 
 	ctx := t.Context()
 
-	jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
-	jsonRestHandler.EXPECT().Post(
+	handler := mock.NewMockJsonRestHandler(ctrl)
+	handler.EXPECT().Post(
 		gomock.Any(),
 		prepareBeaconProposerTestEndpoint,
 		nil,
@@ -100,7 +100,7 @@ func TestPrepareBeaconProposer_BadRequest(t *testing.T) {
 		errors.New("foo error"),
 	).Times(1)
 
-	validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+	validatorClient := &beaconApiValidatorClient{handler: handler}
 	err := validatorClient.prepareBeaconProposer(ctx, nil)
 	assert.ErrorContains(t, "foo error", err)
 }

validator/client/beacon-api/propose_attestation.go

@@ -22,7 +22,7 @@ func (c *beaconApiValidatorClient) proposeAttestation(ctx context.Context, attes
 	}
 
 	headers := map[string]string{"Eth-Consensus-Version": version.String(attestation.Version())}
-	err = c.jsonRestHandler.Post(
+	err = c.handler.Post(
 		ctx,
 		"/eth/v2/beacon/pool/attestations",
 		headers,
@@ -51,7 +51,7 @@ func (c *beaconApiValidatorClient) proposeAttestationElectra(ctx context.Context
 	}
 	consensusVersion := version.String(slots.ToForkVersion(attestation.Data.Slot))
 	headers := map[string]string{"Eth-Consensus-Version": consensusVersion}
-	if err = c.jsonRestHandler.Post(
+	if err = c.handler.Post(
 		ctx,
 		"/eth/v2/beacon/pool/attestations",
 		headers,

validator/client/beacon-api/propose_attestation_test.go

@@ -107,7 +107,7 @@ func TestProposeAttestation(t *testing.T) {
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			ctrl := gomock.NewController(t)
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			var marshalledAttestations []byte
 			if helpers.ValidateNilAttestation(test.attestation) == nil {
@@ -119,7 +119,7 @@ func TestProposeAttestation(t *testing.T) {
 			ctx := t.Context()
 
 			headers := map[string]string{"Eth-Consensus-Version": version.String(test.attestation.Version())}
-			jsonRestHandler.EXPECT().Post(
+			handler.EXPECT().Post(
 				gomock.Any(),
 				"/eth/v2/beacon/pool/attestations",
 				headers,
@@ -129,7 +129,7 @@ func TestProposeAttestation(t *testing.T) {
 				test.endpointError,
 			).Times(test.endpointCall)
 
-			validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := &beaconApiValidatorClient{handler: handler}
 			proposeResponse, err := validatorClient.proposeAttestation(ctx, test.attestation)
 			if test.expectedErrorMessage != "" {
 				require.ErrorContains(t, test.expectedErrorMessage, err)
@@ -254,7 +254,7 @@ func TestProposeAttestationElectra(t *testing.T) {
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			ctrl := gomock.NewController(t)
-			jsonRestHandler := mock.NewMockJsonRestHandler(ctrl)
+			handler := mock.NewMockJsonRestHandler(ctrl)
 
 			var marshalledAttestations []byte
 			if helpers.ValidateNilAttestation(test.attestation) == nil {
@@ -268,7 +268,7 @@ func TestProposeAttestationElectra(t *testing.T) {
 			if test.expectedConsensusVersion != "" {
 				headerMatcher = gomock.Eq(map[string]string{"Eth-Consensus-Version": test.expectedConsensusVersion})
 			}
-			jsonRestHandler.EXPECT().Post(
+			handler.EXPECT().Post(
 				gomock.Any(),
 				"/eth/v2/beacon/pool/attestations",
 				headerMatcher,
@@ -278,7 +278,7 @@ func TestProposeAttestationElectra(t *testing.T) {
 				test.endpointError,
 			).Times(test.endpointCall)
 
-			validatorClient := &beaconApiValidatorClient{jsonRestHandler: jsonRestHandler}
+			validatorClient := &beaconApiValidatorClient{handler: handler}
 			proposeResponse, err := validatorClient.proposeAttestationElectra(ctx, test.attestation)
 			if test.expectedErrorMessage != "" {
 				require.ErrorContains(t, test.expectedErrorMessage, err)