James feedback part 1

BUILD.bazel

@@ -1,4 +1,5 @@
 load("@bazel_gazelle//:def.bzl", "gazelle")
+load("@com_github_atlassian_bazel_tools//gometalinter:def.bzl", "gometalinter")
 load("@com_github_atlassian_bazel_tools//goimports:def.bzl", "goimports")
 load("@io_kubernetes_build//defs:run_in_workspace.bzl", "workspace_binary")
 load("@io_bazel_rules_go//go:def.bzl", "nogo")
@@ -54,6 +55,15 @@ alias(
     visibility = ["//visibility:public"],
 )
 
+gometalinter(
+    name = "gometalinter",
+    config = "//:.gometalinter.json",
+    paths = [
+        "./...",
+    ],
+    prefix = prefix,
+)
+
 goimports(
     name = "goimports",
     display_diffs = True,

DEPENDENCIES.md

@@ -72,7 +72,7 @@ Do NOT add new `go_repository` to the WORKSPACE file. All dependencies should li
 
 To enable conditional compilation and custom configuration for tests (where compiled code has more 
 debug info, while not being completely optimized), we rely on Go's build tags/constraints mechanism 
-(see official docs on [build constraints](https://pkg.go.dev/go/build#hdr-Build_Constraints)). 
+(see official docs on [build constraints](https://golang.org/pkg/go/build/#hdr-Build_Constraints)). 
 Therefore, whenever using `go test`, do not forget to pass in extra build tag, eg:
 
 ```bash

INTEROP.md

@@ -9,7 +9,7 @@ This README details how to setup Prysm for interop testing for usage with other
 
 ## Installation & Setup
 
-1. Install [Bazel](https://bazel.build/install) **(Recommended)**
+1. Install [Bazel](https://docs.bazel.build/versions/master/install.html) **(Recommended)**
 2. `git clone https://github.com/OffchainLabs/prysm && cd prysm`
 3. `bazel build //cmd/...`
 

README.md

@@ -15,7 +15,7 @@
 
 ## 📖 Overview
 
-This is the core repository for Prysm, a [Golang](https://go.dev/) implementation of the [Ethereum Consensus](https://ethereum.org/en/developers/docs/consensus-mechanisms/#proof-of-stake) [specification](https://github.com/ethereum/consensus-specs), developed by [Offchain Labs](https://www.offchainlabs.com).
+This is the core repository for Prysm, a [Golang](https://golang.org/) implementation of the [Ethereum Consensus](https://ethereum.org/en/developers/docs/consensus-mechanisms/#proof-of-stake) [specification](https://github.com/ethereum/consensus-specs), developed by [Offchain Labs](https://www.offchainlabs.com).
 
 See the [Changelog](https://github.com/OffchainLabs/prysm/releases) for details of the latest releases and upcoming breaking changes.
 
@@ -23,7 +23,7 @@ See the [Changelog](https://github.com/OffchainLabs/prysm/releases) for details
 
 ## 🚀 Getting Started
 
-A detailed set of installation and usage instructions as well as breakdowns of each individual component are available in the **[official documentation portal](https://prysm.offchainlabs.com/docs/)**.
+A detailed set of installation and usage instructions as well as breakdowns of each individual component are available in the **[official documentation portal](https://docs.prylabs.network)**.
 
 💬 **Need help?** Join our **[Discord Community](https://discord.gg/prysm)** for support.
 
@@ -51,7 +51,7 @@ Prysm maintains two permanent branches:
 
 ### 🛠 Contribution Guide
 
-Want to get involved? Check out our **[Contribution Guide](https://prysm.offchainlabs.com/docs/contribute/contribution-guidelines/)** to learn more!
+Want to get involved? Check out our **[Contribution Guide](https://docs.prylabs.network/docs/contribute/contribution-guidelines/)** to learn more!
 
 ---
 

WORKSPACE

@@ -273,16 +273,16 @@ filegroup(
     url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )
 
-consensus_spec_version = "v1.7.0-alpha.1"
+consensus_spec_version = "v1.7.0-alpha.0"
 
 load("@prysm//tools:download_spectests.bzl", "consensus_spec_tests")
 
 consensus_spec_tests(
     name = "consensus_spec_tests",
     flavors = {
-        "general": "sha256-j5R3jA7Oo4OSDMTvpMuD+8RomaCByeFSwtfkq6fL0Zg=",
-        "minimal": "sha256-tdTqByoyswOS4r6OxFmo70y2BP7w1TgEok+gf4cbxB0=",
-        "mainnet": "sha256-5gB4dt6SnSDKzdBc06VedId3NkgvSYyv9n9FRxWKwYI=",
+        "general": "sha256-b+rJOuVqq+Dy53quPcNYcQwPFoMU7Wp7tdUVe7n0g8w=",
+        "minimal": "sha256-qxRIxtjPxVsVCY90WsBJKhk0027XDSmhjnRvRN14V1c=",
+        "mainnet": "sha256-NsuOQG3LzeiEE1TrWuvQ6vu6BboHv7h7f/RTS0pWkCs=",
     },
     version = consensus_spec_version,
 )
@@ -298,7 +298,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-J+43DrK1pF658kTXTwMS6zGf4KDjvas++m8w2a8swpg=",
+    integrity = "sha256-hwNdUBgdBrkk6pWIpNYbzbwswUuOu6AMD2exN8uv+QQ=",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
@@ -423,6 +423,10 @@ load("@prysm//testing/endtoend:deps.bzl", "e2e_deps")
 
 e2e_deps()
 
+load("@com_github_atlassian_bazel_tools//gometalinter:deps.bzl", "gometalinter_dependencies")
+
+gometalinter_dependencies()
+
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
 
 gazelle_dependencies(go_sdk = "go_sdk")

beacon-chain/blockchain/BUILD.bazel

@@ -74,6 +74,7 @@ go_library(
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/stategen:go_default_library",
         "//beacon-chain/verification:go_default_library",
+        "//cmd/beacon-chain/flags:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
@@ -173,6 +174,7 @@ go_test(
         "//beacon-chain/state/state-native:go_default_library",
         "//beacon-chain/state/stategen:go_default_library",
         "//beacon-chain/verification:go_default_library",
+        "//cmd/beacon-chain/flags:go_default_library",
         "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",

beacon-chain/blockchain/kzg/BUILD.bazel

@@ -13,7 +13,7 @@ go_library(
     deps = [
         "//consensus-types/blocks:go_default_library",
         "@com_github_crate_crypto_go_kzg_4844//:go_default_library",
-        "@com_github_ethereum_c_kzg_4844_v2//bindings/go:go_default_library",
+        "@com_github_ethereum_c_kzg_4844//bindings/go:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
         "@com_github_ethereum_go_ethereum//crypto/kzg4844:go_default_library",
         "@com_github_pkg_errors//:go_default_library",

beacon-chain/blockchain/metrics.go

@@ -221,19 +221,6 @@ var (
 			Buckets: []float64{1, 2, 4, 8, 16, 32},
 		},
 	)
-	commitmentCount = promauto.NewHistogram(
-		prometheus.HistogramOpts{
-			Name:    "commitment_count_max_21",
-			Help:    "The number of blob KZG commitments per block.",
-			Buckets: []float64{1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21},
-		},
-	)
-	maxBlobsPerBlock = promauto.NewGauge(
-		prometheus.GaugeOpts{
-			Name: "max_blobs_per_block",
-			Help: "The maximum number of blobs allowed in a block.",
-		},
-	)
 )
 
 // reportSlotMetrics reports slot related metrics.

beacon-chain/blockchain/receive_attestation.go

@@ -94,7 +94,6 @@ func (s *Service) spawnProcessAttestationsRoutine() {
 		for {
 			select {
 			case <-s.ctx.Done():
-				ticker.Done()
 				return
 			case slotInterval := <-ticker.C():
 				if slotInterval.Interval > 0 {

beacon-chain/blockchain/receive_block.go

@@ -16,7 +16,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/slasher/types"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/config/features"
-	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
@@ -259,55 +258,32 @@ func (s *Service) handleDA(ctx context.Context, avs das.AvailabilityChecker, blo
 }
 
 func (s *Service) reportPostBlockProcessing(
-	signedBlock interfaces.SignedBeaconBlock,
+	block interfaces.SignedBeaconBlock,
 	blockRoot [32]byte,
 	receivedTime time.Time,
 	daWaitedTime time.Duration,
 ) {
-	block := signedBlock.Block()
-	if block == nil {
-		log.WithField("blockRoot", blockRoot).Error("Nil block")
-		return
-	}
-
 	// Reports on block and fork choice metrics.
 	cp := s.cfg.ForkChoiceStore.FinalizedCheckpoint()
 	finalized := &ethpb.Checkpoint{Epoch: cp.Epoch, Root: bytesutil.SafeCopyBytes(cp.Root[:])}
-	reportSlotMetrics(block.Slot(), s.HeadSlot(), s.CurrentSlot(), finalized)
+	reportSlotMetrics(block.Block().Slot(), s.HeadSlot(), s.CurrentSlot(), finalized)
 
 	// Log block sync status.
 	cp = s.cfg.ForkChoiceStore.JustifiedCheckpoint()
 	justified := &ethpb.Checkpoint{Epoch: cp.Epoch, Root: bytesutil.SafeCopyBytes(cp.Root[:])}
-	if err := logBlockSyncStatus(block, blockRoot, justified, finalized, receivedTime, s.genesisTime, daWaitedTime); err != nil {
+	if err := logBlockSyncStatus(block.Block(), blockRoot, justified, finalized, receivedTime, s.genesisTime, daWaitedTime); err != nil {
 		log.WithError(err).Error("Unable to log block sync status")
 	}
-
 	// Log payload data
-	if err := logPayload(block); err != nil {
+	if err := logPayload(block.Block()); err != nil {
 		log.WithError(err).Error("Unable to log debug block payload data")
 	}
-
 	// Log state transition data.
-	if err := logStateTransitionData(block); err != nil {
+	if err := logStateTransitionData(block.Block()); err != nil {
 		log.WithError(err).Error("Unable to log state transition data")
 	}
-
 	timeWithoutDaWait := time.Since(receivedTime) - daWaitedTime
 	chainServiceProcessingTime.Observe(float64(timeWithoutDaWait.Milliseconds()))
-
-	body := block.Body()
-	if body == nil {
-		log.WithField("blockRoot", blockRoot).Error("Nil block body")
-		return
-	}
-
-	commitments, err := body.BlobKzgCommitments()
-	if err != nil {
-		log.WithError(err).Error("Unable to get blob KZG commitments")
-	}
-
-	commitmentCount.Observe(float64(len(commitments)))
-	maxBlobsPerBlock.Set(float64(params.BeaconConfig().MaxBlobsPerBlock(block.Slot())))
 }
 
 func (s *Service) executePostFinalizationTasks(ctx context.Context, finalizedState state.BeaconState) {

beacon-chain/blockchain/service.go

@@ -14,6 +14,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/cache"
 	statefeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/state"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/peerdas"
 	coreTime "github.com/OffchainLabs/prysm/v7/beacon-chain/core/time"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/db"
@@ -29,6 +30,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/stategen"
+	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
@@ -289,6 +291,19 @@ func (s *Service) StartFromSavedState(saved state.BeaconState) error {
 		return errors.Wrap(err, "failed to initialize blockchain service")
 	}
 
+	if !params.FuluEnabled() {
+		return nil
+	}
+
+	earliestAvailableSlot, custodySubnetCount, err := s.updateCustodyInfoInDB(saved.Slot())
+	if err != nil {
+		return errors.Wrap(err, "could not get and save custody group count")
+	}
+
+	if _, _, err := s.cfg.P2P.UpdateCustodyInfo(earliestAvailableSlot, custodySubnetCount); err != nil {
+		return errors.Wrap(err, "update custody info")
+	}
+
 	return nil
 }
 
@@ -453,6 +468,73 @@ func (s *Service) removeStartupState() {
 	s.cfg.FinalizedStateAtStartUp = nil
 }
 
+// UpdateCustodyInfoInDB updates the custody information in the database.
+// It returns the (potentially updated) custody group count and the earliest available slot.
+func (s *Service) updateCustodyInfoInDB(slot primitives.Slot) (primitives.Slot, uint64, error) {
+	isSupernode := flags.Get().Supernode
+	isSemiSupernode := flags.Get().SemiSupernode
+
+	cfg := params.BeaconConfig()
+	custodyRequirement := cfg.CustodyRequirement
+
+	// Check if the node was previously subscribed to all data subnets, and if so,
+	// store the new status accordingly.
+	wasSupernode, err := s.cfg.BeaconDB.UpdateSubscribedToAllDataSubnets(s.ctx, isSupernode)
+	if err != nil {
+		return 0, 0, errors.Wrap(err, "update subscribed to all data subnets")
+	}
+
+	// Compute the target custody group count based on current flag configuration.
+	targetCustodyGroupCount := custodyRequirement
+
+	// Supernode: custody all groups (either currently set or previously enabled)
+	if isSupernode {
+		targetCustodyGroupCount = cfg.NumberOfCustodyGroups
+	}
+
+	// Semi-supernode: custody minimum needed for reconstruction, or custody requirement if higher
+	if isSemiSupernode {
+		semiSupernodeCustody, err := peerdas.MinimumCustodyGroupCountToReconstruct()
+		if err != nil {
+			return 0, 0, errors.Wrap(err, "minimum custody group count")
+		}
+
+		targetCustodyGroupCount = max(custodyRequirement, semiSupernodeCustody)
+	}
+
+	// Safely compute the fulu fork slot.
+	fuluForkSlot, err := fuluForkSlot()
+	if err != nil {
+		return 0, 0, errors.Wrap(err, "fulu fork slot")
+	}
+
+	// If slot is before the fulu fork slot, then use the earliest stored slot as the reference slot.
+	if slot < fuluForkSlot {
+		slot, err = s.cfg.BeaconDB.EarliestSlot(s.ctx)
+		if err != nil {
+			return 0, 0, errors.Wrap(err, "earliest slot")
+		}
+	}
+
+	earliestAvailableSlot, actualCustodyGroupCount, err := s.cfg.BeaconDB.UpdateCustodyInfo(s.ctx, slot, targetCustodyGroupCount)
+	if err != nil {
+		return 0, 0, errors.Wrap(err, "update custody info")
+	}
+
+	if isSupernode {
+		log.WithFields(logrus.Fields{
+			"current": actualCustodyGroupCount,
+			"target":  cfg.NumberOfCustodyGroups,
+		}).Info("Supernode mode enabled. Will custody all data columns going forward.")
+	}
+
+	if wasSupernode && !isSupernode {
+		log.Warningf("Because the `--%s` flag was previously used, the node will continue to act as a super node.", flags.Supernode.Name)
+	}
+
+	return earliestAvailableSlot, actualCustodyGroupCount, nil
+}
+
 func spawnCountdownIfPreGenesis(ctx context.Context, genesisTime time.Time, db db.HeadAccessDatabase) {
 	currentTime := prysmTime.Now()
 	if currentTime.After(genesisTime) {
@@ -469,3 +551,19 @@ func spawnCountdownIfPreGenesis(ctx context.Context, genesisTime time.Time, db d
 	}
 	go slots.CountdownToGenesis(ctx, genesisTime, uint64(gState.NumValidators()), gRoot)
 }
+
+func fuluForkSlot() (primitives.Slot, error) {
+	cfg := params.BeaconConfig()
+
+	fuluForkEpoch := cfg.FuluForkEpoch
+	if fuluForkEpoch == cfg.FarFutureEpoch {
+		return cfg.FarFutureSlot, nil
+	}
+
+	forkFuluSlot, err := slots.EpochStart(fuluForkEpoch)
+	if err != nil {
+		return 0, errors.Wrap(err, "epoch start")
+	}
+
+	return forkFuluSlot, nil
+}

beacon-chain/blockchain/service_test.go

@@ -23,9 +23,11 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/stategen"
+	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
 	"github.com/OffchainLabs/prysm/v7/config/features"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	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"
@@ -594,3 +596,218 @@ func TestNotifyIndex(t *testing.T) {
 		t.Errorf("Notifier channel did not receive the index")
 	}
 }
+
+func TestUpdateCustodyInfoInDB(t *testing.T) {
+	const (
+		fuluForkEpoch         = 10
+		custodyRequirement    = uint64(4)
+		earliestStoredSlot    = primitives.Slot(12)
+		numberOfCustodyGroups = uint64(64)
+	)
+
+	params.SetupTestConfigCleanup(t)
+	cfg := params.BeaconConfig()
+	cfg.FuluForkEpoch = fuluForkEpoch
+	cfg.CustodyRequirement = custodyRequirement
+	cfg.NumberOfCustodyGroups = numberOfCustodyGroups
+	params.OverrideBeaconConfig(cfg)
+
+	ctx := t.Context()
+	pbBlock := util.NewBeaconBlock()
+	pbBlock.Block.Slot = 12
+	signedBeaconBlock, err := blocks.NewSignedBeaconBlock(pbBlock)
+	require.NoError(t, err)
+
+	roBlock, err := blocks.NewROBlock(signedBeaconBlock)
+	require.NoError(t, err)
+
+	t.Run("CGC increases before fulu", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Before Fulu
+		// -----------
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(15)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, custodyRequirement, actualCgc)
+
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(17)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, custodyRequirement, actualCgc)
+
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.Supernode = true
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(19)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc)
+
+		// After Fulu
+		// ----------
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc)
+	})
+
+	t.Run("CGC increases after fulu", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Before Fulu
+		// -----------
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(15)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, custodyRequirement, actualCgc)
+
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(17)
+		require.NoError(t, err)
+		require.Equal(t, earliestStoredSlot, actualEas)
+		require.Equal(t, custodyRequirement, actualCgc)
+
+		// After Fulu
+		// ----------
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.Supernode = true
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc)
+
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc)
+	})
+
+	t.Run("Supernode downgrade prevented", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Enable supernode
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.Supernode = true
+		flags.Init(gFlags)
+
+		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc)
+
+		// Try to downgrade by removing flag
+		gFlags.Supernode = false
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		// Should still be supernode
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		require.Equal(t, numberOfCustodyGroups, actualCgc) // Still 64, not downgraded
+	})
+
+	t.Run("Semi-supernode downgrade prevented", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Enable semi-supernode
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.SemiSupernode = true
+		flags.Init(gFlags)
+
+		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
+		require.Equal(t, semiSupernodeCustody, actualCgc) // Semi-supernode custodies 64 groups
+
+		// Try to downgrade by removing flag
+		gFlags.SemiSupernode = false
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		// UpdateCustodyInfo should prevent downgrade - custody count should remain at 64
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		require.Equal(t, semiSupernodeCustody, actualCgc) // Still 64 due to downgrade prevention by UpdateCustodyInfo
+	})
+
+	t.Run("Semi-supernode to supernode upgrade allowed", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Start with semi-supernode
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.SemiSupernode = true
+		flags.Init(gFlags)
+
+		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
+		require.Equal(t, semiSupernodeCustody, actualCgc) // Semi-supernode custodies 64 groups
+
+		// Upgrade to full supernode
+		gFlags.SemiSupernode = false
+		gFlags.Supernode = true
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		// Should upgrade to full supernode
+		upgradeSlot := slot + 2
+		actualEas, actualCgc, err = service.updateCustodyInfoInDB(upgradeSlot)
+		require.NoError(t, err)
+		require.Equal(t, upgradeSlot, actualEas)           // Earliest slot updates when upgrading
+		require.Equal(t, numberOfCustodyGroups, actualCgc) // Upgraded to 128
+	})
+
+	t.Run("Semi-supernode with high validator requirements uses higher custody", func(t *testing.T) {
+		service, requirements := minimalTestService(t)
+		err = requirements.db.SaveBlock(ctx, roBlock)
+		require.NoError(t, err)
+
+		// Enable semi-supernode
+		resetFlags := flags.Get()
+		gFlags := new(flags.GlobalFlags)
+		gFlags.SemiSupernode = true
+		flags.Init(gFlags)
+		defer flags.Init(resetFlags)
+
+		// Mock a high custody requirement (simulating many validators)
+		// We need to override the custody requirement calculation
+		// For this test, we'll verify the logic by checking if custodyRequirement > 64
+		// Since custodyRequirement in minimalTestService is 4, we can't test the high case here
+		// This would require a different test setup with actual validators
+		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
+		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
+		require.NoError(t, err)
+		require.Equal(t, slot, actualEas)
+		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
+		// With low validator requirements (4), should use semi-supernode minimum (64)
+		require.Equal(t, semiSupernodeCustody, actualCgc)
+	})
+}

beacon-chain/core/blocks/BUILD.bazel

@@ -26,6 +26,7 @@ go_library(
         "//beacon-chain/core/time:go_default_library",
         "//beacon-chain/core/validators:go_default_library",
         "//beacon-chain/state:go_default_library",
+        "//config/features:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types:go_default_library",

beacon-chain/core/blocks/withdrawals.go

@@ -7,6 +7,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/config/features"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
@@ -212,7 +213,12 @@ func ProcessWithdrawals(st state.BeaconState, executionData interfaces.Execution
 		if err != nil {
 			return nil, errors.Wrap(err, "could not get next withdrawal validator index")
 		}
-		nextValidatorIndex += primitives.ValidatorIndex(params.BeaconConfig().MaxValidatorsPerWithdrawalsSweep)
+		if features.Get().LowValcountSweep {
+			bound := min(uint64(st.NumValidators()), params.BeaconConfig().MaxValidatorsPerWithdrawalsSweep)
+			nextValidatorIndex += primitives.ValidatorIndex(bound)
+		} else {
+			nextValidatorIndex += primitives.ValidatorIndex(params.BeaconConfig().MaxValidatorsPerWithdrawalsSweep)
+		}
 		nextValidatorIndex = nextValidatorIndex % primitives.ValidatorIndex(st.NumValidators())
 	} else {
 		nextValidatorIndex = expectedWithdrawals[len(expectedWithdrawals)-1].ValidatorIndex + 1

beacon-chain/core/gloas/BUILD.bazel

@@ -2,18 +2,21 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
-    srcs = ["bid.go"],
+    srcs = ["payload_attestation.go"],
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/core/gloas",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/state:go_default_library",
+        "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
-        "//consensus-types/blocks:go_default_library",
+        "//consensus-types:go_default_library",
         "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
-        "//crypto/bls/common:go_default_library",
+        "//crypto/hash:go_default_library",
+        "//encoding/bytesutil:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
@@ -22,24 +25,22 @@ go_library(
 
 go_test(
     name = "go_default_test",
-    srcs = ["bid_test.go"],
+    srcs = ["payload_attestation_test.go"],
     embed = [":go_default_library"],
     deps = [
+        "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
-        "//beacon-chain/state/state-native:go_default_library",
+        "//beacon-chain/state:go_default_library",
         "//config/params:go_default_library",
+        "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//crypto/bls:go_default_library",
         "//crypto/bls/common:go_default_library",
-        "//encoding/bytesutil:go_default_library",
-        "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
-        "//proto/prysm/v1alpha1/validator-client:go_default_library",
-        "//runtime/version:go_default_library",
         "//testing/require:go_default_library",
+        "//testing/util:go_default_library",
         "//time/slots:go_default_library",
-        "@com_github_prysmaticlabs_fastssz//:go_default_library",
-        "@org_golang_google_protobuf//proto:go_default_library",
+        "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
     ],
 )

beacon-chain/core/gloas/bid.go

@@ -1,193 +0,0 @@
-package gloas
-
-import (
-	"fmt"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-	"github.com/pkg/errors"
-)
-
-// 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
-func ProcessExecutionPayloadBid(st state.BeaconState, block interfaces.ReadOnlyBeaconBlock) error {
-	signedBid, err := block.Body().SignedExecutionPayloadBid()
-	if err != nil {
-		return errors.Wrap(err, "failed to get signed execution payload bid")
-	}
-
-	wrappedBid, err := blocks.WrappedROSignedExecutionPayloadBid(signedBid)
-	if err != nil {
-		return errors.Wrap(err, "failed to wrap signed bid")
-	}
-
-	bid, err := wrappedBid.Bid()
-	if err != nil {
-		return errors.Wrap(err, "failed to get bid from wrapped bid")
-	}
-
-	builderIndex := bid.BuilderIndex()
-	amount := bid.Value()
-
-	if builderIndex == params.BeaconConfig().BuilderIndexSelfBuild {
-		if amount != 0 {
-			return fmt.Errorf("self-build amount must be zero, got %d", amount)
-		}
-		if wrappedBid.Signature() != common.InfiniteSignature {
-			return errors.New("self-build signature must be point at infinity")
-		}
-	} else {
-		ok, err := st.IsActiveBuilder(builderIndex)
-		if err != nil {
-			return errors.Wrap(err, "builder active check failed")
-		}
-		if !ok {
-			return fmt.Errorf("builder %d is not active", builderIndex)
-		}
-
-		ok, err = st.CanBuilderCoverBid(builderIndex, amount)
-		if err != nil {
-			return errors.Wrap(err, "builder balance check failed")
-		}
-		if !ok {
-			return fmt.Errorf("builder %d cannot cover bid amount %d", builderIndex, amount)
-		}
-
-		if err := validatePayloadBidSignature(st, wrappedBid); err != nil {
-			return errors.Wrap(err, "bid signature validation failed")
-		}
-	}
-
-	if err := validateBidConsistency(st, bid, block); err != nil {
-		return errors.Wrap(err, "bid consistency validation failed")
-	}
-
-	if amount > 0 {
-		feeRecipient := bid.FeeRecipient()
-		pendingPayment := &ethpb.BuilderPendingPayment{
-			Weight: 0,
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				FeeRecipient: feeRecipient[:],
-				Amount:       amount,
-				BuilderIndex: builderIndex,
-			},
-		}
-		slotIndex := params.BeaconConfig().SlotsPerEpoch + (bid.Slot() % params.BeaconConfig().SlotsPerEpoch)
-		if err := st.SetBuilderPendingPayment(slotIndex, pendingPayment); err != nil {
-			return errors.Wrap(err, "failed to set pending payment")
-		}
-	}
-
-	if err := st.SetExecutionPayloadBid(bid); err != nil {
-		return errors.Wrap(err, "failed to cache execution payload bid")
-	}
-
-	return nil
-}
-
-// validateBidConsistency checks that the bid is consistent with the current beacon state.
-func validateBidConsistency(st state.BeaconState, bid interfaces.ROExecutionPayloadBid, block interfaces.ReadOnlyBeaconBlock) error {
-	if bid.Slot() != block.Slot() {
-		return fmt.Errorf("bid slot %d does not match block slot %d", bid.Slot(), block.Slot())
-	}
-
-	latestBlockHash, err := st.LatestBlockHash()
-	if err != nil {
-		return errors.Wrap(err, "failed to get latest block hash")
-	}
-	if bid.ParentBlockHash() != latestBlockHash {
-		return fmt.Errorf("bid parent block hash mismatch: got %x, expected %x",
-			bid.ParentBlockHash(), latestBlockHash)
-	}
-
-	if bid.ParentBlockRoot() != block.ParentRoot() {
-		return fmt.Errorf("bid parent block root mismatch: got %x, expected %x",
-			bid.ParentBlockRoot(), block.ParentRoot())
-	}
-
-	randaoMix, err := helpers.RandaoMix(st, slots.ToEpoch(st.Slot()))
-	if err != nil {
-		return errors.Wrap(err, "failed to get randao mix")
-	}
-	if bid.PrevRandao() != [32]byte(randaoMix) {
-		return fmt.Errorf("bid prev randao mismatch: got %x, expected %x", bid.PrevRandao(), randaoMix)
-	}
-
-	return nil
-}
-
-// validatePayloadBidSignature verifies the BLS signature on a signed execution payload bid.
-// It validates that the signature was created by the builder specified in the bid
-// using the appropriate domain for the beacon builder.
-func validatePayloadBidSignature(st state.ReadOnlyBeaconState, signedBid interfaces.ROSignedExecutionPayloadBid) error {
-	bid, err := signedBid.Bid()
-	if err != nil {
-		return errors.Wrap(err, "failed to get bid")
-	}
-
-	pubkey, err := st.BuilderPubkey(bid.BuilderIndex())
-	if err != nil {
-		return errors.Wrap(err, "failed to get builder pubkey")
-	}
-
-	publicKey, err := bls.PublicKeyFromBytes(pubkey[:])
-	if err != nil {
-		return errors.Wrap(err, "invalid builder public key")
-	}
-
-	signatureBytes := signedBid.Signature()
-	signature, err := bls.SignatureFromBytes(signatureBytes[:])
-	if err != nil {
-		return errors.Wrap(err, "invalid signature format")
-	}
-
-	currentEpoch := slots.ToEpoch(bid.Slot())
-	domain, err := signing.Domain(
-		st.Fork(),
-		currentEpoch,
-		params.BeaconConfig().DomainBeaconBuilder,
-		st.GenesisValidatorsRoot(),
-	)
-	if err != nil {
-		return errors.Wrap(err, "failed to compute signing domain")
-	}
-
-	signingRoot, err := signedBid.SigningRoot(domain)
-	if err != nil {
-		return errors.Wrap(err, "failed to compute signing root")
-	}
-
-	if !signature.Verify(publicKey, signingRoot[:]) {
-		return signing.ErrSigFailedToVerify
-	}
-
-	return nil
-}

beacon-chain/core/gloas/bid_test.go

@@ -1,633 +0,0 @@
-package gloas
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls"
-	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
-	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
-	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	validatorpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1/validator-client"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
-	fastssz "github.com/prysmaticlabs/fastssz"
-	"google.golang.org/protobuf/proto"
-)
-
-type stubBlockBody struct {
-	signedBid *ethpb.SignedExecutionPayloadBid
-}
-
-func (s stubBlockBody) Version() int                                 { return version.Gloas }
-func (s stubBlockBody) RandaoReveal() [96]byte                       { return [96]byte{} }
-func (s stubBlockBody) Eth1Data() *ethpb.Eth1Data                    { return nil }
-func (s stubBlockBody) Graffiti() [32]byte                           { return [32]byte{} }
-func (s stubBlockBody) ProposerSlashings() []*ethpb.ProposerSlashing { return nil }
-func (s stubBlockBody) AttesterSlashings() []ethpb.AttSlashing       { return nil }
-func (s stubBlockBody) Attestations() []ethpb.Att                    { return nil }
-func (s stubBlockBody) Deposits() []*ethpb.Deposit                   { return nil }
-func (s stubBlockBody) VoluntaryExits() []*ethpb.SignedVoluntaryExit { return nil }
-func (s stubBlockBody) SyncAggregate() (*ethpb.SyncAggregate, error) { return nil, nil }
-func (s stubBlockBody) IsNil() bool                                  { return s.signedBid == nil }
-func (s stubBlockBody) HashTreeRoot() ([32]byte, error)              { return [32]byte{}, nil }
-func (s stubBlockBody) Proto() (proto.Message, error)                { return nil, nil }
-func (s stubBlockBody) Execution() (interfaces.ExecutionData, error) { return nil, nil }
-func (s stubBlockBody) BLSToExecutionChanges() ([]*ethpb.SignedBLSToExecutionChange, error) {
-	return nil, nil
-}
-func (s stubBlockBody) BlobKzgCommitments() ([][]byte, error) { return nil, nil }
-func (s stubBlockBody) ExecutionRequests() (*enginev1.ExecutionRequests, error) {
-	return nil, nil
-}
-func (s stubBlockBody) PayloadAttestations() ([]*ethpb.PayloadAttestation, error) {
-	return nil, nil
-}
-func (s stubBlockBody) SignedExecutionPayloadBid() (*ethpb.SignedExecutionPayloadBid, error) {
-	return s.signedBid, nil
-}
-func (s stubBlockBody) MarshalSSZ() ([]byte, error)         { return nil, nil }
-func (s stubBlockBody) MarshalSSZTo([]byte) ([]byte, error) { return nil, nil }
-func (s stubBlockBody) UnmarshalSSZ([]byte) error           { return nil }
-func (s stubBlockBody) SizeSSZ() int                        { return 0 }
-
-type stubBlock struct {
-	slot       primitives.Slot
-	proposer   primitives.ValidatorIndex
-	parentRoot [32]byte
-	body       stubBlockBody
-	v          int
-}
-
-var (
-	_ interfaces.ReadOnlyBeaconBlockBody = (*stubBlockBody)(nil)
-	_ interfaces.ReadOnlyBeaconBlock     = (*stubBlock)(nil)
-)
-
-func (s stubBlock) Slot() primitives.Slot                    { return s.slot }
-func (s stubBlock) ProposerIndex() primitives.ValidatorIndex { return s.proposer }
-func (s stubBlock) ParentRoot() [32]byte                     { return s.parentRoot }
-func (s stubBlock) StateRoot() [32]byte                      { return [32]byte{} }
-func (s stubBlock) Body() interfaces.ReadOnlyBeaconBlockBody { return s.body }
-func (s stubBlock) IsNil() bool                              { return false }
-func (s stubBlock) IsBlinded() bool                          { return false }
-func (s stubBlock) HashTreeRoot() ([32]byte, error)          { return [32]byte{}, nil }
-func (s stubBlock) Proto() (proto.Message, error)            { return nil, nil }
-func (s stubBlock) MarshalSSZ() ([]byte, error)              { return nil, nil }
-func (s stubBlock) MarshalSSZTo([]byte) ([]byte, error)      { return nil, nil }
-func (s stubBlock) UnmarshalSSZ([]byte) error                { return nil }
-func (s stubBlock) SizeSSZ() int                             { return 0 }
-func (s stubBlock) Version() int                             { return s.v }
-func (s stubBlock) AsSignRequestObject() (validatorpb.SignRequestObject, error) {
-	return nil, nil
-}
-func (s stubBlock) HashTreeRootWith(*fastssz.Hasher) error { return nil }
-
-func buildGloasState(t *testing.T, slot primitives.Slot, proposerIdx primitives.ValidatorIndex, builderIdx primitives.BuilderIndex, balance uint64, randao [32]byte, latestHash [32]byte, builderPubkey [48]byte) *state_native.BeaconState {
-	t.Helper()
-
-	cfg := params.BeaconConfig()
-	blockRoots := make([][]byte, cfg.SlotsPerHistoricalRoot)
-	stateRoots := make([][]byte, cfg.SlotsPerHistoricalRoot)
-	for i := range blockRoots {
-		blockRoots[i] = bytes.Repeat([]byte{0xAA}, 32)
-		stateRoots[i] = bytes.Repeat([]byte{0xBB}, 32)
-	}
-	randaoMixes := make([][]byte, cfg.EpochsPerHistoricalVector)
-	for i := range randaoMixes {
-		randaoMixes[i] = randao[:]
-	}
-
-	withdrawalCreds := make([]byte, 32)
-	withdrawalCreds[0] = cfg.BuilderWithdrawalPrefixByte
-
-	validatorCount := int(proposerIdx) + 1
-	validators := make([]*ethpb.Validator, validatorCount)
-	balances := make([]uint64, validatorCount)
-	for i := range validatorCount {
-		validators[i] = &ethpb.Validator{
-			PublicKey:                  builderPubkey[:],
-			WithdrawalCredentials:      withdrawalCreds,
-			EffectiveBalance:           balance,
-			Slashed:                    false,
-			ActivationEligibilityEpoch: 0,
-			ActivationEpoch:            0,
-			ExitEpoch:                  cfg.FarFutureEpoch,
-			WithdrawableEpoch:          cfg.FarFutureEpoch,
-		}
-		balances[i] = balance
-	}
-
-	payments := make([]*ethpb.BuilderPendingPayment, cfg.SlotsPerEpoch*2)
-	for i := range payments {
-		payments[i] = &ethpb.BuilderPendingPayment{Withdrawal: &ethpb.BuilderPendingWithdrawal{}}
-	}
-
-	var builders []*ethpb.Builder
-	if builderIdx != params.BeaconConfig().BuilderIndexSelfBuild {
-		builderCount := int(builderIdx) + 1
-		builders = make([]*ethpb.Builder, builderCount)
-		builders[builderCount-1] = &ethpb.Builder{
-			Pubkey:            builderPubkey[:],
-			Version:           []byte{0},
-			ExecutionAddress:  bytes.Repeat([]byte{0x01}, 20),
-			Balance:           primitives.Gwei(balance),
-			DepositEpoch:      0,
-			WithdrawableEpoch: cfg.FarFutureEpoch,
-		}
-	}
-
-	stProto := &ethpb.BeaconStateGloas{
-		Slot:                  slot,
-		GenesisValidatorsRoot: bytes.Repeat([]byte{0x11}, 32),
-		Fork: &ethpb.Fork{
-			CurrentVersion:  bytes.Repeat([]byte{0x22}, 4),
-			PreviousVersion: bytes.Repeat([]byte{0x22}, 4),
-			Epoch:           0,
-		},
-		BlockRoots:                blockRoots,
-		StateRoots:                stateRoots,
-		RandaoMixes:               randaoMixes,
-		Validators:                validators,
-		Balances:                  balances,
-		LatestBlockHash:           latestHash[:],
-		BuilderPendingPayments:    payments,
-		BuilderPendingWithdrawals: []*ethpb.BuilderPendingWithdrawal{},
-		Builders:                  builders,
-		FinalizedCheckpoint: &ethpb.Checkpoint{
-			Epoch: 1,
-		},
-	}
-
-	st, err := state_native.InitializeFromProtoGloas(stProto)
-	require.NoError(t, err)
-	return st.(*state_native.BeaconState)
-}
-
-func signBid(t *testing.T, sk common.SecretKey, bid *ethpb.ExecutionPayloadBid, fork *ethpb.Fork, genesisRoot [32]byte) [96]byte {
-	t.Helper()
-	epoch := slots.ToEpoch(primitives.Slot(bid.Slot))
-	domain, err := signing.Domain(fork, epoch, params.BeaconConfig().DomainBeaconBuilder, genesisRoot[:])
-	require.NoError(t, err)
-	root, err := signing.ComputeSigningRoot(bid, domain)
-	require.NoError(t, err)
-	sig := sk.Sign(root[:]).Marshal()
-	var out [96]byte
-	copy(out[:], sig)
-	return out
-}
-
-func TestProcessExecutionPayloadBid_SelfBuildSuccess(t *testing.T) {
-	slot := primitives.Slot(12)
-	proposerIdx := primitives.ValidatorIndex(0)
-	builderIdx := params.BeaconConfig().BuilderIndexSelfBuild
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-	pubKey := [48]byte{}
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinActivationBalance+1000, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  0,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
-	}
-	signed := &ethpb.SignedExecutionPayloadBid{
-		Message:   bid,
-		Signature: common.InfiniteSignature[:],
-	}
-
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	require.NoError(t, ProcessExecutionPayloadBid(state, block))
-
-	stateProto, ok := state.ToProto().(*ethpb.BeaconStateGloas)
-	require.Equal(t, true, ok)
-	slotIndex := params.BeaconConfig().SlotsPerEpoch + (slot % params.BeaconConfig().SlotsPerEpoch)
-	require.Equal(t, primitives.Gwei(0), stateProto.BuilderPendingPayments[slotIndex].Withdrawal.Amount)
-}
-
-func TestProcessExecutionPayloadBid_SelfBuildNonZeroAmountFails(t *testing.T) {
-	slot := primitives.Slot(2)
-	proposerIdx := primitives.ValidatorIndex(0)
-	builderIdx := params.BeaconConfig().BuilderIndexSelfBuild
-	randao := [32]byte{}
-	latestHash := [32]byte{1}
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinActivationBalance+1000, randao, latestHash, [48]byte{})
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xAA}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xBB}, 32),
-		PrevRandao:             randao[:],
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xCC}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xDD}, 20),
-	}
-	signed := &ethpb.SignedExecutionPayloadBid{
-		Message:   bid,
-		Signature: common.InfiniteSignature[:],
-	}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err := ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "self-build amount must be zero", err)
-}
-
-func TestProcessExecutionPayloadBid_PendingPaymentAndCacheBid(t *testing.T) {
-	slot := primitives.Slot(8)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	pub := sk.PublicKey().Marshal()
-	var pubKey [48]byte
-	copy(pubKey[:], pub)
-
-	balance := params.BeaconConfig().MinActivationBalance + 1_000_000
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, balance, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  500_000,
-		ExecutionPayment:       1,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
-	}
-
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{
-		Message:   bid,
-		Signature: sig[:],
-	}
-
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx, // not self-build
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	require.NoError(t, ProcessExecutionPayloadBid(state, block))
-
-	stateProto, ok := state.ToProto().(*ethpb.BeaconStateGloas)
-	require.Equal(t, true, ok)
-	slotIndex := params.BeaconConfig().SlotsPerEpoch + (slot % params.BeaconConfig().SlotsPerEpoch)
-	require.Equal(t, primitives.Gwei(500_000), stateProto.BuilderPendingPayments[slotIndex].Withdrawal.Amount)
-
-	require.NotNil(t, stateProto.LatestExecutionPayloadBid)
-	require.Equal(t, primitives.BuilderIndex(1), stateProto.LatestExecutionPayloadBid.BuilderIndex)
-	require.Equal(t, primitives.Gwei(500_000), stateProto.LatestExecutionPayloadBid.Value)
-}
-
-func TestProcessExecutionPayloadBid_BuilderNotActive(t *testing.T) {
-	slot := primitives.Slot(4)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0x01}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0x02}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-	// Make builder inactive by setting withdrawable_epoch.
-	stateProto := state.ToProto().(*ethpb.BeaconStateGloas)
-	stateProto.Builders[int(builderIdx)].WithdrawableEpoch = 0
-	stateIface, err := state_native.InitializeFromProtoGloas(stateProto)
-	require.NoError(t, err)
-	state = stateIface.(*state_native.BeaconState)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0x03}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x04}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x05}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x06}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "is not active", err)
-}
-
-func TestProcessExecutionPayloadBid_CannotCoverBid(t *testing.T) {
-	slot := primitives.Slot(5)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0x0A}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0x0B}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+10, randao, latestHash, pubKey)
-	stateProto := state.ToProto().(*ethpb.BeaconStateGloas)
-	// Add pending balances to push below required balance.
-	stateProto.BuilderPendingWithdrawals = []*ethpb.BuilderPendingWithdrawal{
-		{Amount: 15, BuilderIndex: builderIdx},
-	}
-	stateProto.BuilderPendingPayments = []*ethpb.BuilderPendingPayment{
-		{Withdrawal: &ethpb.BuilderPendingWithdrawal{Amount: 20, BuilderIndex: builderIdx}},
-	}
-	stateIface, err := state_native.InitializeFromProtoGloas(stateProto)
-	require.NoError(t, err)
-	state = stateIface.(*state_native.BeaconState)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  25,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "cannot cover bid amount", err)
-}
-
-func TestProcessExecutionPayloadBid_InvalidSignature(t *testing.T) {
-	slot := primitives.Slot(6)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xCC}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xDD}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  10,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xEE}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xFF}, 20),
-	}
-	// Use an invalid signature.
-	invalidSig := [96]byte{1}
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: invalidSig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "bid signature validation failed", err)
-}
-
-func TestProcessExecutionPayloadBid_SlotMismatch(t *testing.T) {
-	slot := primitives.Slot(10)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0xAA}, 32),
-		BlockHash:              bytes.Repeat([]byte{0xBB}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot + 1, // mismatch
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0xCC}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0xDD}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "bid slot", err)
-}
-
-func TestProcessExecutionPayloadBid_ParentHashMismatch(t *testing.T) {
-	slot := primitives.Slot(11)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        bytes.Repeat([]byte{0x11}, 32), // mismatch
-		ParentBlockRoot:        bytes.Repeat([]byte{0x22}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "parent block hash mismatch", err)
-}
-
-func TestProcessExecutionPayloadBid_ParentRootMismatch(t *testing.T) {
-	slot := primitives.Slot(12)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-
-	parentRoot := bytes.Repeat([]byte{0x22}, 32)
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        parentRoot,
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             randao[:],
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bytes.Repeat([]byte{0x99}, 32)), // mismatch
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "parent block root mismatch", err)
-}
-
-func TestProcessExecutionPayloadBid_PrevRandaoMismatch(t *testing.T) {
-	slot := primitives.Slot(13)
-	builderIdx := primitives.BuilderIndex(1)
-	proposerIdx := primitives.ValidatorIndex(2)
-	randao := [32]byte(bytes.Repeat([]byte{0xAA}, 32))
-	latestHash := [32]byte(bytes.Repeat([]byte{0xBB}, 32))
-
-	sk, err := bls.RandKey()
-	require.NoError(t, err)
-	var pubKey [48]byte
-	copy(pubKey[:], sk.PublicKey().Marshal())
-
-	state := buildGloasState(t, slot, proposerIdx, builderIdx, params.BeaconConfig().MinDepositAmount+1000, randao, latestHash, pubKey)
-
-	bid := &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        latestHash[:],
-		ParentBlockRoot:        bytes.Repeat([]byte{0x22}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x33}, 32),
-		PrevRandao:             bytes.Repeat([]byte{0x01}, 32), // mismatch
-		GasLimit:               1,
-		BuilderIndex:           builderIdx,
-		Slot:                   slot,
-		Value:                  1,
-		ExecutionPayment:       0,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x44}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x55}, 20),
-	}
-	genesis := bytesutil.ToBytes32(state.GenesisValidatorsRoot())
-	sig := signBid(t, sk, bid, state.Fork(), genesis)
-	signed := &ethpb.SignedExecutionPayloadBid{Message: bid, Signature: sig[:]}
-	block := stubBlock{
-		slot:       slot,
-		proposer:   proposerIdx,
-		parentRoot: bytesutil.ToBytes32(bid.ParentBlockRoot),
-		body:       stubBlockBody{signedBid: signed},
-		v:          version.Gloas,
-	}
-
-	err = ProcessExecutionPayloadBid(state, block)
-	require.ErrorContains(t, "prev randao mismatch", err)
-}

beacon-chain/core/gloas/payload_attestation.go

@@ -0,0 +1,245 @@
+package gloas
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"fmt"
+	"slices"
+
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls"
+	"github.com/OffchainLabs/prysm/v7/crypto/hash"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+	"github.com/pkg/errors"
+)
+
+// 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)
+func ProcessPayloadAttestations(ctx context.Context, st state.BeaconState, body interfaces.ReadOnlyBeaconBlockBody) error {
+	atts, err := body.PayloadAttestations()
+	if err != nil {
+		return errors.Wrap(err, "failed to get payload attestations from block body")
+	}
+	if len(atts) == 0 {
+		return nil
+	}
+
+	header := st.LatestBlockHeader()
+
+	for i, att := range atts {
+		data := att.Data
+		if !bytes.Equal(data.BeaconBlockRoot, header.ParentRoot) {
+			return fmt.Errorf("payload attestation %d has wrong parent: got %x want %x", i, data.BeaconBlockRoot, header.ParentRoot)
+		}
+		if data.Slot+1 != st.Slot() {
+			return fmt.Errorf("payload attestation %d has wrong slot: got %d want %d", i, data.Slot+1, st.Slot())
+		}
+
+		indexed, err := indexedPayloadAttestation(ctx, st, att)
+		if err != nil {
+			return errors.Wrapf(err, "payload attestation %d failed to convert to indexed form", i)
+		}
+		if err := validIndexedPayloadAttestation(st, indexed); err != nil {
+			return errors.Wrapf(err, "payload attestation %d failed to verify indexed form", i)
+		}
+	}
+	return nil
+}
+
+// indexedPayloadAttestation converts a payload attestation into its indexed form.
+func indexedPayloadAttestation(ctx context.Context, st state.ReadOnlyBeaconState, att *eth.PayloadAttestation) (*consensus_types.IndexedPayloadAttestation, error) {
+	committee, err := payloadCommittee(ctx, st, att.Data.Slot)
+	if err != nil {
+		return nil, err
+	}
+	indices := make([]primitives.ValidatorIndex, 0, len(committee))
+	for i, idx := range committee {
+		if att.AggregationBits.BitAt(uint64(i)) {
+			indices = append(indices, idx)
+		}
+	}
+	slices.Sort(indices)
+
+	return &consensus_types.IndexedPayloadAttestation{
+		AttestingIndices: indices,
+		Data:             att.Data,
+		Signature:        att.Signature,
+	}, nil
+}
+
+// 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)
+func payloadCommittee(ctx context.Context, st state.ReadOnlyBeaconState, slot primitives.Slot) ([]primitives.ValidatorIndex, error) {
+	epoch := slots.ToEpoch(slot)
+	seed, err := ptcSeed(st, epoch, slot)
+	if err != nil {
+		return nil, err
+	}
+
+	activeCount, err := helpers.ActiveValidatorCount(ctx, st, epoch)
+	if err != nil {
+		return nil, err
+	}
+
+	committeesPerSlot := helpers.SlotCommitteeCount(activeCount)
+	out := make([]primitives.ValidatorIndex, 0, committeesPerSlot)
+
+	for i := primitives.CommitteeIndex(0); i < primitives.CommitteeIndex(committeesPerSlot); i++ {
+		committee, err := helpers.BeaconCommitteeFromState(ctx, st, slot, i)
+		if err != nil {
+			return nil, errors.Wrapf(err, "failed to get beacon committee %d", i)
+		}
+		out = append(out, committee...)
+	}
+
+	return selectByBalance(st, out, seed, fieldparams.PTCSize)
+}
+
+// ptcSeed computes the seed for the payload timeliness committee.
+func ptcSeed(st state.ReadOnlyBeaconState, epoch primitives.Epoch, slot primitives.Slot) ([32]byte, error) {
+	seed, err := helpers.Seed(st, epoch, params.BeaconConfig().DomainPTCAttester)
+	if err != nil {
+		return [32]byte{}, err
+	}
+	return hash.Hash(append(seed[:], bytesutil.Bytes8(uint64(slot))...)), nil
+}
+
+// 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
+func selectByBalance(st state.ReadOnlyBeaconState, candidates []primitives.ValidatorIndex, seed [32]byte, count uint64) ([]primitives.ValidatorIndex, error) {
+	if len(candidates) == 0 {
+		return nil, errors.New("no candidates for balance weighted selection")
+	}
+
+	hashFunc := hash.CustomSHA256Hasher()
+	// Pre-allocate buffer for hash input: seed (32 bytes) + round counter (8 bytes).
+	var buf [40]byte
+	copy(buf[:], seed[:])
+	maxBalance := params.BeaconConfig().MaxEffectiveBalanceElectra
+
+	selected := make([]primitives.ValidatorIndex, 0, count)
+	total := uint64(len(candidates))
+	for i := uint64(0); uint64(len(selected)) < count; i++ {
+		idx := candidates[i%total]
+		ok, err := acceptByBalance(st, idx, buf[:], hashFunc, maxBalance, i)
+		if err != nil {
+			return nil, err
+		}
+		if ok {
+			selected = append(selected, idx)
+		}
+	}
+	return selected, nil
+}
+
+// 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
+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)
+	random := hashFunc(seedBuf)
+	offset := (round % 16) * 2
+	randomValue := uint64(binary.LittleEndian.Uint16(random[offset : offset+2])) // 16-bit draw per spec
+
+	val, err := st.ValidatorAtIndex(idx)
+	if err != nil {
+		return false, errors.Wrapf(err, "validator %d", idx)
+	}
+
+	return val.EffectiveBalance*fieldparams.MaxRandomValueElectra >= maxBalance*randomValue, nil
+}
+
+// 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,
+//	  )
+func validIndexedPayloadAttestation(st state.ReadOnlyBeaconState, att *consensus_types.IndexedPayloadAttestation) error {
+	indices := att.AttestingIndices
+	if len(indices) == 0 || !slices.IsSorted(indices) {
+		return errors.New("attesting indices empty or unsorted")
+	}
+
+	pubkeys := make([]bls.PublicKey, len(indices))
+	for i, idx := range indices {
+		val, err := st.ValidatorAtIndexReadOnly(idx)
+		if err != nil {
+			return errors.Wrapf(err, "validator %d", idx)
+		}
+		keyBytes := val.PublicKey()
+		key, err := bls.PublicKeyFromBytes(keyBytes[:])
+		if err != nil {
+			return errors.Wrapf(err, "pubkey %d", idx)
+		}
+		pubkeys[i] = key
+	}
+
+	domain, err := signing.Domain(st.Fork(), slots.ToEpoch(att.Data.Slot), params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
+	if err != nil {
+		return err
+	}
+	root, err := signing.ComputeSigningRoot(att.Data, domain)
+	if err != nil {
+		return err
+	}
+	sig, err := bls.SignatureFromBytes(att.Signature)
+	if err != nil {
+		return err
+	}
+
+	if !sig.FastAggregateVerify(pubkeys, root) {
+		return errors.New("invalid signature")
+	}
+	return nil
+}

beacon-chain/core/gloas/payload_attestation_test.go

@@ -0,0 +1,279 @@
+package gloas
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/OffchainLabs/go-bitfield"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/helpers"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
+	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
+	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls"
+	"github.com/OffchainLabs/prysm/v7/crypto/bls/common"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+	"github.com/OffchainLabs/prysm/v7/testing/require"
+	testutil "github.com/OffchainLabs/prysm/v7/testing/util"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
+)
+
+func TestProcessPayloadAttestations_WrongParent(t *testing.T) {
+	setupTestConfig(t)
+
+	_, pk := newKey(t)
+	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
+	require.NoError(t, st.SetSlot(2))
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	att := &eth.PayloadAttestation{
+		Data: &eth.PayloadAttestationData{
+			BeaconBlockRoot: bytes.Repeat([]byte{0xbb}, 32),
+			Slot:            1,
+		},
+		AggregationBits: bitfield.NewBitvector512(),
+		Signature:       make([]byte, 96),
+	}
+	body := buildBody(t, att)
+
+	err := ProcessPayloadAttestations(t.Context(), st, body)
+	require.ErrorContains(t, "wrong parent", err)
+}
+
+func TestProcessPayloadAttestations_WrongSlot(t *testing.T) {
+	setupTestConfig(t)
+
+	_, pk := newKey(t)
+	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
+	require.NoError(t, st.SetSlot(3))
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	att := &eth.PayloadAttestation{
+		Data: &eth.PayloadAttestationData{
+			BeaconBlockRoot: parentRoot,
+			Slot:            1,
+		},
+		AggregationBits: bitfield.NewBitvector512(),
+		Signature:       make([]byte, 96),
+	}
+	body := buildBody(t, att)
+
+	err := ProcessPayloadAttestations(t.Context(), st, body)
+	require.ErrorContains(t, "wrong slot", err)
+}
+
+func TestProcessPayloadAttestations_InvalidSignature(t *testing.T) {
+	setupTestConfig(t)
+
+	_, pk1 := newKey(t)
+	sk2, pk2 := newKey(t)
+	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
+	st := newTestState(t, vals, 2)
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	attData := &eth.PayloadAttestationData{
+		BeaconBlockRoot: parentRoot,
+		Slot:            1,
+	}
+	att := &eth.PayloadAttestation{
+		Data:            attData,
+		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
+		Signature:       signAttestation(t, st, attData, []common.SecretKey{sk2}),
+	}
+	body := buildBody(t, att)
+
+	err := ProcessPayloadAttestations(t.Context(), st, body)
+	require.ErrorContains(t, "failed to verify indexed form", err)
+	require.ErrorContains(t, "invalid signature", err)
+}
+
+func TestProcessPayloadAttestations_HappyPath(t *testing.T) {
+	helpers.ClearCache()
+	setupTestConfig(t)
+
+	sk1, pk1 := newKey(t)
+	sk2, pk2 := newKey(t)
+	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
+
+	st := newTestState(t, vals, 2)
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	attData := &eth.PayloadAttestationData{
+		BeaconBlockRoot: parentRoot,
+		Slot:            1,
+	}
+	aggBits := bitfield.NewBitvector512()
+	aggBits.SetBitAt(0, true)
+	aggBits.SetBitAt(1, true)
+
+	att := &eth.PayloadAttestation{
+		Data:            attData,
+		AggregationBits: aggBits,
+		Signature:       signAttestation(t, st, attData, []common.SecretKey{sk1, sk2}),
+	}
+	body := buildBody(t, att)
+
+	err := ProcessPayloadAttestations(t.Context(), st, body)
+	require.NoError(t, err)
+}
+
+func TestProcessPayloadAttestations_MultipleAttestations(t *testing.T) {
+	helpers.ClearCache()
+	setupTestConfig(t)
+
+	sk1, pk1 := newKey(t)
+	sk2, pk2 := newKey(t)
+	vals := []*eth.Validator{activeValidator(pk1), activeValidator(pk2)}
+
+	st := newTestState(t, vals, 2)
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	attData1 := &eth.PayloadAttestationData{
+		BeaconBlockRoot: parentRoot,
+		Slot:            1,
+	}
+	attData2 := &eth.PayloadAttestationData{
+		BeaconBlockRoot: parentRoot,
+		Slot:            1,
+	}
+
+	att1 := &eth.PayloadAttestation{
+		Data:            attData1,
+		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
+		Signature:       signAttestation(t, st, attData1, []common.SecretKey{sk1}),
+	}
+	att2 := &eth.PayloadAttestation{
+		Data:            attData2,
+		AggregationBits: setBits(bitfield.NewBitvector512(), 1),
+		Signature:       signAttestation(t, st, attData2, []common.SecretKey{sk2}),
+	}
+
+	body := buildBody(t, att1, att2)
+
+	err := ProcessPayloadAttestations(t.Context(), st, body)
+	require.NoError(t, err)
+}
+
+func TestProcessPayloadAttestations_IndexedVerificationError(t *testing.T) {
+	setupTestConfig(t)
+
+	_, pk := newKey(t)
+	st := newTestState(t, []*eth.Validator{activeValidator(pk)}, 1)
+	parentRoot := bytes.Repeat([]byte{0xaa}, 32)
+	require.NoError(t, st.SetLatestBlockHeader(&eth.BeaconBlockHeader{ParentRoot: parentRoot}))
+
+	attData := &eth.PayloadAttestationData{
+		BeaconBlockRoot: parentRoot,
+		Slot:            0,
+	}
+	att := &eth.PayloadAttestation{
+		Data:            attData,
+		AggregationBits: setBits(bitfield.NewBitvector512(), 0),
+		Signature:       make([]byte, 96),
+	}
+	body := buildBody(t, att)
+
+	errState := &validatorLookupErrState{
+		BeaconState: st,
+		errIndex:    0,
+	}
+	err := ProcessPayloadAttestations(t.Context(), errState, body)
+	require.ErrorContains(t, "failed to verify indexed form", err)
+	require.ErrorContains(t, "validator 0", err)
+}
+
+func newTestState(t *testing.T, vals []*eth.Validator, slot primitives.Slot) state.BeaconState {
+	st, err := testutil.NewBeaconState()
+	require.NoError(t, err)
+	for _, v := range vals {
+		require.NoError(t, st.AppendValidator(v))
+		require.NoError(t, st.AppendBalance(v.EffectiveBalance))
+	}
+	require.NoError(t, st.SetSlot(slot))
+	require.NoError(t, helpers.UpdateCommitteeCache(t.Context(), st, slots.ToEpoch(slot)))
+	return st
+}
+
+func setupTestConfig(t *testing.T) {
+	params.SetupTestConfigCleanup(t)
+	cfg := params.BeaconConfig().Copy()
+	cfg.SlotsPerEpoch = 1
+	cfg.MaxEffectiveBalanceElectra = cfg.MaxEffectiveBalance
+	params.OverrideBeaconConfig(cfg)
+}
+
+func buildBody(t *testing.T, atts ...*eth.PayloadAttestation) interfaces.ReadOnlyBeaconBlockBody {
+	body := &eth.BeaconBlockBodyGloas{
+		PayloadAttestations:   atts,
+		RandaoReveal:          make([]byte, 96),
+		Eth1Data:              &eth.Eth1Data{},
+		Graffiti:              make([]byte, 32),
+		ProposerSlashings:     []*eth.ProposerSlashing{},
+		AttesterSlashings:     []*eth.AttesterSlashingElectra{},
+		Attestations:          []*eth.AttestationElectra{},
+		Deposits:              []*eth.Deposit{},
+		VoluntaryExits:        []*eth.SignedVoluntaryExit{},
+		SyncAggregate:         &eth.SyncAggregate{},
+		BlsToExecutionChanges: []*eth.SignedBLSToExecutionChange{},
+	}
+	wrapped, err := blocks.NewBeaconBlockBody(body)
+	require.NoError(t, err)
+	return wrapped
+}
+
+func setBits(bits bitfield.Bitvector512, idx uint64) bitfield.Bitvector512 {
+	bits.SetBitAt(idx, true)
+	return bits
+}
+
+func activeValidator(pub []byte) *eth.Validator {
+	return &eth.Validator{
+		PublicKey:                  pub,
+		EffectiveBalance:           params.BeaconConfig().MaxEffectiveBalance,
+		WithdrawalCredentials:      make([]byte, 32),
+		ActivationEligibilityEpoch: 0,
+		ActivationEpoch:            0,
+		ExitEpoch:                  params.BeaconConfig().FarFutureEpoch,
+		WithdrawableEpoch:          params.BeaconConfig().FarFutureEpoch,
+	}
+}
+
+func newKey(t *testing.T) (common.SecretKey, []byte) {
+	sk, err := bls.RandKey()
+	require.NoError(t, err)
+	return sk, sk.PublicKey().Marshal()
+}
+
+func signAttestation(t *testing.T, st state.ReadOnlyBeaconState, data *eth.PayloadAttestationData, sks []common.SecretKey) []byte {
+	domain, err := signing.Domain(st.Fork(), slots.ToEpoch(st.Slot()), params.BeaconConfig().DomainPTCAttester, st.GenesisValidatorsRoot())
+	require.NoError(t, err)
+	root, err := signing.ComputeSigningRoot(data, domain)
+	require.NoError(t, err)
+
+	sigs := make([]common.Signature, len(sks))
+	for i, sk := range sks {
+		sigs[i] = sk.Sign(root[:])
+	}
+	agg := bls.AggregateSignatures(sigs)
+	return agg.Marshal()
+}
+
+type validatorLookupErrState struct {
+	state.BeaconState
+	errIndex primitives.ValidatorIndex
+}
+
+// ValidatorAtIndexReadOnly is overridden to simulate a missing validator lookup.
+func (s *validatorLookupErrState) ValidatorAtIndexReadOnly(idx primitives.ValidatorIndex) (state.ReadOnlyValidator, error) {
+	if idx == s.errIndex {
+		return nil, state.ErrNilValidatorsInState
+	}
+	return s.BeaconState.ValidatorAtIndexReadOnly(idx)
+}

beacon-chain/db/iface/interface.go

@@ -89,7 +89,6 @@ type NoHeadAccessDatabase interface {
 	SaveBlocks(ctx context.Context, blocks []interfaces.ReadOnlySignedBeaconBlock) error
 	SaveROBlocks(ctx context.Context, blks []blocks.ROBlock, cache bool) error
 	SaveGenesisBlockRoot(ctx context.Context, blockRoot [32]byte) error
-	SlotByBlockRoot(context.Context, [32]byte) (primitives.Slot, error)
 	// State related methods.
 	SaveState(ctx context.Context, state state.ReadOnlyBeaconState, blockRoot [32]byte) error
 	SaveStates(ctx context.Context, states []state.ReadOnlyBeaconState, blockRoots [][32]byte) error
@@ -97,7 +96,6 @@ type NoHeadAccessDatabase interface {
 	DeleteStates(ctx context.Context, blockRoots [][32]byte) error
 	SaveStateSummary(ctx context.Context, summary *ethpb.StateSummary) error
 	SaveStateSummaries(ctx context.Context, summaries []*ethpb.StateSummary) error
-	SlotInDiffTree(primitives.Slot) (uint64, int, error)
 	// Checkpoint operations.
 	SaveJustifiedCheckpoint(ctx context.Context, checkpoint *ethpb.Checkpoint) error
 	SaveFinalizedCheckpoint(ctx context.Context, checkpoint *ethpb.Checkpoint) error

beacon-chain/db/kv/BUILD.bazel

@@ -32,7 +32,6 @@ go_library(
         "state_diff_helpers.go",
         "state_summary.go",
         "state_summary_cache.go",
-        "testing_helpers.go",
         "utils.go",
         "validated_checkpoint.go",
         "wss.go",

beacon-chain/db/kv/state_diff.go

@@ -23,16 +23,6 @@ const (
 	The data at level 0 is saved every 2**exponent[0] slots and always contains a full state snapshot that is used as a base for the delta saved at other levels.
 */
 
-// SlotInDiffTree returns whether the given slot is a saving point in the diff tree.
-// It it is, it also returns the offset and level in the tree.
-func (s *Store) SlotInDiffTree(slot primitives.Slot) (uint64, int, error) {
-	offset := s.getOffset()
-	if uint64(slot) < offset {
-		return 0, -1, ErrSlotBeforeOffset
-	}
-	return offset, computeLevel(offset, slot), nil
-}
-
 // saveStateByDiff takes a state and decides between saving a full state snapshot or a diff.
 func (s *Store) saveStateByDiff(ctx context.Context, st state.ReadOnlyBeaconState) error {
 	_, span := trace.StartSpan(ctx, "BeaconDB.saveStateByDiff")
@@ -43,10 +33,13 @@ func (s *Store) saveStateByDiff(ctx context.Context, st state.ReadOnlyBeaconStat
 	}
 
 	slot := st.Slot()
-	offset, lvl, err := s.SlotInDiffTree(slot)
-	if err != nil {
-		return errors.Wrap(err, "could not determine if slot is in diff tree")
+	offset := s.getOffset()
+	if uint64(slot) < offset {
+		return ErrSlotBeforeOffset
 	}
+
+	// Find the level to save the state.
+	lvl := computeLevel(offset, slot)
 	if lvl == -1 {
 		return nil
 	}

beacon-chain/db/kv/testing_helpers.go

@@ -1,37 +0,0 @@
-package kv
-
-import (
-	"encoding/binary"
-	"testing"
-
-	"go.etcd.io/bbolt"
-)
-
-// InitStateDiffCacheForTesting initializes the state diff cache with the given offset.
-// This is intended for testing purposes when setting up state diff after database creation.
-// This file is only compiled when the "testing" build tag is set.
-func (s *Store) InitStateDiffCacheForTesting(t testing.TB, offset uint64) error {
-	// First, set the offset in the database.
-	err := s.db.Update(func(tx *bbolt.Tx) error {
-		bucket := tx.Bucket(stateDiffBucket)
-		if bucket == nil {
-			return bbolt.ErrBucketNotFound
-		}
-
-		offsetBytes := make([]byte, 8)
-		binary.LittleEndian.PutUint64(offsetBytes, offset)
-		return bucket.Put([]byte("offset"), offsetBytes)
-	})
-
-	if err != nil {
-		return err
-	}
-
-	// Then create the state diff cache.
-	sdCache, err := newStateDiffCache(s)
-	if err != nil {
-		return err
-	}
-	s.stateDiffCache = sdCache
-	return nil
-}

beacon-chain/operations/attestations/prepare_forkchoice.go

@@ -49,7 +49,6 @@ func (s *Service) prepareForkChoiceAtts() {
 			}
 		case <-s.ctx.Done():
 			log.Debug("Context closed, exiting routine")
-			ticker.Done()
 			return
 		}
 	}

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

@@ -168,8 +168,6 @@ func TestGetSpec(t *testing.T) {
 	config.BlobsidecarSubnetCount = 101
 	config.BlobsidecarSubnetCountElectra = 102
 	config.SyncMessageDueBPS = 103
-	config.BuilderWithdrawalPrefixByte = byte('b')
-	config.BuilderIndexSelfBuild = primitives.BuilderIndex(125)
 
 	var dbp [4]byte
 	copy(dbp[:], []byte{'0', '0', '0', '1'})
@@ -192,9 +190,9 @@ func TestGetSpec(t *testing.T) {
 	var daap [4]byte
 	copy(daap[:], []byte{'0', '0', '0', '7'})
 	config.DomainAggregateAndProof = daap
-	var dbb [4]byte
-	copy(dbb[:], []byte{'0', '0', '0', '8'})
-	config.DomainBeaconBuilder = dbb
+	var dptc [4]byte
+	copy(dptc[:], []byte{'0', '0', '0', '8'})
+	config.DomainPTCAttester = dptc
 	var dam [4]byte
 	copy(dam[:], []byte{'1', '0', '0', '0'})
 	config.DomainApplicationMask = dam
@@ -210,7 +208,7 @@ func TestGetSpec(t *testing.T) {
 	require.NoError(t, json.Unmarshal(writer.Body.Bytes(), &resp))
 	data, ok := resp.Data.(map[string]any)
 	require.Equal(t, true, ok)
-	assert.Equal(t, 178, len(data))
+	assert.Equal(t, 176, len(data))
 	for k, v := range data {
 		t.Run(k, func(t *testing.T) {
 			switch k {
@@ -412,6 +410,8 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x30303036", v)
 			case "DOMAIN_AGGREGATE_AND_PROOF":
 				assert.Equal(t, "0x30303037", v)
+			case "DOMAIN_PTC_ATTESTER":
+				assert.Equal(t, "0x30303038", v)
 			case "DOMAIN_APPLICATION_MASK":
 				assert.Equal(t, "0x31303030", v)
 			case "DOMAIN_SYNC_COMMITTEE":
@@ -424,14 +424,8 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x0a000000", v)
 			case "DOMAIN_APPLICATION_BUILDER":
 				assert.Equal(t, "0x00000001", v)
-			case "DOMAIN_BEACON_BUILDER":
-				assert.Equal(t, "0x30303038", v)
 			case "DOMAIN_BLOB_SIDECAR":
 				assert.Equal(t, "0x00000000", v)
-			case "BUILDER_WITHDRAWAL_PREFIX":
-				assert.Equal(t, "0x62", v)
-			case "BUILDER_INDEX_SELF_BUILD":
-				assert.Equal(t, "125", v)
 			case "TRANSITION_TOTAL_DIFFICULTY":
 				assert.Equal(t, "0", v)
 			case "TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH":

beacon-chain/state/BUILD.bazel

@@ -5,14 +5,12 @@ go_library(
     srcs = [
         "error.go",
         "interfaces.go",
-        "interfaces_gloas.go",
         "prometheus.go",
     ],
     importpath = "github.com/OffchainLabs/prysm/v7/beacon-chain/state",
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/state/state-native/custom-types:go_default_library",
-        "//beacon-chain/state/state-native/types:go_default_library",
         "//config/fieldparams:go_default_library",
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",

beacon-chain/state/interfaces.go

@@ -10,7 +10,6 @@ import (
 
 	"github.com/OffchainLabs/go-bitfield"
 	customtypes "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/custom-types"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
@@ -44,8 +43,6 @@ type Prover interface {
 	FinalizedRootProof(ctx context.Context) ([][]byte, error)
 	CurrentSyncCommitteeProof(ctx context.Context) ([][]byte, error)
 	NextSyncCommitteeProof(ctx context.Context) ([][]byte, error)
-
-	ProofByFieldIndex(ctx context.Context, f types.FieldIndex) ([][]byte, error)
 }
 
 // ReadOnlyBeaconState defines a struct which only has read access to beacon state methods.
@@ -66,7 +63,6 @@ type ReadOnlyBeaconState interface {
 	ReadOnlyDeposits
 	ReadOnlyConsolidations
 	ReadOnlyProposerLookahead
-	readOnlyGloasFields
 	ToProtoUnsafe() any
 	ToProto() any
 	GenesisTime() time.Time
@@ -102,7 +98,6 @@ type WriteOnlyBeaconState interface {
 	WriteOnlyWithdrawals
 	WriteOnlyDeposits
 	WriteOnlyProposerLookahead
-	writeOnlyGloasFields
 	SetGenesisTime(val time.Time) error
 	SetGenesisValidatorsRoot(val []byte) error
 	SetSlot(val primitives.Slot) error

beacon-chain/state/interfaces_gloas.go

@@ -1,19 +0,0 @@
-package state
-
-import (
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-)
-
-type writeOnlyGloasFields interface {
-	SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid) error
-	SetBuilderPendingPayment(index primitives.Slot, payment *ethpb.BuilderPendingPayment) error
-}
-
-type readOnlyGloasFields interface {
-	BuilderPubkey(primitives.BuilderIndex) ([48]byte, error)
-	IsActiveBuilder(primitives.BuilderIndex) (bool, error)
-	CanBuilderCoverBid(primitives.BuilderIndex, primitives.Gwei) (bool, error)
-	LatestBlockHash() ([32]byte, error)
-}

beacon-chain/state/state-native/BUILD.bazel

@@ -14,7 +14,6 @@ go_library(
         "getters_deposits.go",
         "getters_eth1.go",
         "getters_exit.go",
-        "getters_gloas.go",
         "getters_misc.go",
         "getters_participation.go",
         "getters_payload_header.go",
@@ -37,7 +36,6 @@ go_library(
         "setters_deposit_requests.go",
         "setters_deposits.go",
         "setters_eth1.go",
-        "setters_gloas.go",
         "setters_misc.go",
         "setters_participation.go",
         "setters_payload_header.go",
@@ -99,7 +97,6 @@ go_test(
         "getters_deposit_requests_test.go",
         "getters_deposits_test.go",
         "getters_exit_test.go",
-        "getters_gloas_test.go",
         "getters_participation_test.go",
         "getters_setters_lookahead_test.go",
         "getters_test.go",
@@ -117,7 +114,6 @@ go_test(
         "setters_deposit_requests_test.go",
         "setters_deposits_test.go",
         "setters_eth1_test.go",
-        "setters_gloas_test.go",
         "setters_misc_test.go",
         "setters_participation_test.go",
         "setters_payload_header_test.go",

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

@@ -1,137 +0,0 @@
-package state_native
-
-import (
-	"fmt"
-
-	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-)
-
-// LatestBlockHash returns the hash of the latest execution block.
-func (b *BeaconState) LatestBlockHash() ([32]byte, error) {
-	if b.version < version.Gloas {
-		return [32]byte{}, errNotSupported("LatestBlockHash", b.version)
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	if b.latestBlockHash == nil {
-		return [32]byte{}, nil
-	}
-
-	return [32]byte(b.latestBlockHash), nil
-}
-
-// BuilderPubkey returns the builder pubkey at the provided index.
-func (b *BeaconState) BuilderPubkey(builderIndex primitives.BuilderIndex) ([fieldparams.BLSPubkeyLength]byte, error) {
-	if b.version < version.Gloas {
-		return [fieldparams.BLSPubkeyLength]byte{}, errNotSupported("BuilderPubkey", b.version)
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	builder, err := b.builderAtIndex(builderIndex)
-	if err != nil {
-		return [fieldparams.BLSPubkeyLength]byte{}, err
-	}
-
-	var pk [fieldparams.BLSPubkeyLength]byte
-	copy(pk[:], builder.Pubkey)
-	return pk, nil
-}
-
-// 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
-//	)
-func (b *BeaconState) IsActiveBuilder(builderIndex primitives.BuilderIndex) (bool, error) {
-	if b.version < version.Gloas {
-		return false, errNotSupported("IsActiveBuilder", b.version)
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	builder, err := b.builderAtIndex(builderIndex)
-	if err != nil {
-		return false, err
-	}
-
-	finalizedEpoch := b.finalizedCheckpoint.Epoch
-	return builder.DepositEpoch < finalizedEpoch && builder.WithdrawableEpoch == params.BeaconConfig().FarFutureEpoch, nil
-}
-
-// 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
-func (b *BeaconState) CanBuilderCoverBid(builderIndex primitives.BuilderIndex, bidAmount primitives.Gwei) (bool, error) {
-	if b.version < version.Gloas {
-		return false, errNotSupported("CanBuilderCoverBid", b.version)
-	}
-
-	b.lock.RLock()
-	defer b.lock.RUnlock()
-
-	builder, err := b.builderAtIndex(builderIndex)
-	if err != nil {
-		return false, err
-	}
-
-	pendingBalanceToWithdraw := b.builderPendingBalanceToWithdraw(builderIndex)
-	minBalance := params.BeaconConfig().MinDepositAmount + pendingBalanceToWithdraw
-
-	balance := uint64(builder.Balance)
-	if balance < minBalance {
-		return false, nil
-	}
-
-	return balance-minBalance >= uint64(bidAmount), nil
-}
-
-// builderAtIndex intentionally returns the underlying pointer without copying.
-func (b *BeaconState) builderAtIndex(builderIndex primitives.BuilderIndex) (*ethpb.Builder, error) {
-	idx := uint64(builderIndex)
-	if idx >= uint64(len(b.builders)) {
-		return nil, fmt.Errorf("builder index %d out of range (len=%d)", builderIndex, len(b.builders))
-	}
-
-	builder := b.builders[idx]
-	if builder == nil {
-		return nil, fmt.Errorf("builder at index %d is nil", builderIndex)
-	}
-	return builder, nil
-}
-
-// builderPendingBalanceToWithdraw mirrors get_pending_balance_to_withdraw_for_builder in the spec,
-// summing both pending withdrawals and pending payments for a builder.
-func (b *BeaconState) builderPendingBalanceToWithdraw(builderIndex primitives.BuilderIndex) uint64 {
-	var total uint64
-	for _, withdrawal := range b.builderPendingWithdrawals {
-		if withdrawal.BuilderIndex == builderIndex {
-			total += uint64(withdrawal.Amount)
-		}
-	}
-	for _, payment := range b.builderPendingPayments {
-		if payment.Withdrawal.BuilderIndex == builderIndex {
-			total += uint64(payment.Withdrawal.Amount)
-		}
-	}
-	return total
-}

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

@@ -1,159 +0,0 @@
-package state_native_test
-
-import (
-	"bytes"
-	"testing"
-
-	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-	"github.com/OffchainLabs/prysm/v7/testing/util"
-)
-
-func TestLatestBlockHash(t *testing.T) {
-	t.Run("returns error before gloas", func(t *testing.T) {
-		st, _ := util.DeterministicGenesisState(t, 1)
-		_, err := st.LatestBlockHash()
-		require.ErrorContains(t, "is not supported", err)
-	})
-
-	t.Run("returns zero hash when unset", func(t *testing.T) {
-		st, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{})
-		require.NoError(t, err)
-
-		got, err := st.LatestBlockHash()
-		require.NoError(t, err)
-		require.Equal(t, [32]byte{}, got)
-	})
-
-	t.Run("returns configured hash", func(t *testing.T) {
-		hashBytes := bytes.Repeat([]byte{0xAB}, 32)
-		var want [32]byte
-		copy(want[:], hashBytes)
-
-		st, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{
-			LatestBlockHash: hashBytes,
-		})
-		require.NoError(t, err)
-
-		got, err := st.LatestBlockHash()
-		require.NoError(t, err)
-		require.Equal(t, want, got)
-	})
-}
-
-func TestBuilderPubkey(t *testing.T) {
-	t.Run("returns error before gloas", func(t *testing.T) {
-		stIface, _ := util.DeterministicGenesisState(t, 1)
-		native, ok := stIface.(*state_native.BeaconState)
-		require.Equal(t, true, ok)
-
-		_, err := native.BuilderPubkey(0)
-		require.ErrorContains(t, "is not supported", err)
-	})
-
-	t.Run("returns pubkey copy", func(t *testing.T) {
-		pubkey := bytes.Repeat([]byte{0xAA}, 48)
-		stIface, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{
-			Builders: []*ethpb.Builder{
-				{
-					Pubkey:            pubkey,
-					Balance:           42,
-					DepositEpoch:      3,
-					WithdrawableEpoch: 4,
-				},
-			},
-		})
-		require.NoError(t, err)
-
-		gotPk, err := stIface.BuilderPubkey(0)
-		require.NoError(t, err)
-		var wantPk [48]byte
-		copy(wantPk[:], pubkey)
-		require.Equal(t, wantPk, gotPk)
-
-		// Mutate original to ensure copy.
-		pubkey[0] = 0
-		require.Equal(t, byte(0xAA), gotPk[0])
-	})
-
-	t.Run("out of range returns error", func(t *testing.T) {
-		stIface, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{
-			Builders: []*ethpb.Builder{},
-		})
-		require.NoError(t, err)
-
-		st := stIface.(*state_native.BeaconState)
-		_, err = st.BuilderPubkey(1)
-		require.ErrorContains(t, "out of range", err)
-	})
-}
-
-func TestBuilderHelpers(t *testing.T) {
-	t.Run("is active builder", func(t *testing.T) {
-		st, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{
-			Builders: []*ethpb.Builder{
-				{
-					Balance:           10,
-					DepositEpoch:      0,
-					WithdrawableEpoch: params.BeaconConfig().FarFutureEpoch,
-				},
-			},
-			FinalizedCheckpoint: &ethpb.Checkpoint{Epoch: 1},
-		})
-		require.NoError(t, err)
-
-		active, err := st.IsActiveBuilder(0)
-		require.NoError(t, err)
-		require.Equal(t, true, active)
-
-		// Not active when withdrawable epoch is set.
-		stProto := &ethpb.BeaconStateGloas{
-			Builders: []*ethpb.Builder{
-				{
-					Balance:           10,
-					DepositEpoch:      0,
-					WithdrawableEpoch: 1,
-				},
-			},
-			FinalizedCheckpoint: &ethpb.Checkpoint{Epoch: 2},
-		}
-		stInactive, err := state_native.InitializeFromProtoGloas(stProto)
-		require.NoError(t, err)
-
-		active, err = stInactive.IsActiveBuilder(0)
-		require.NoError(t, err)
-		require.Equal(t, false, active)
-	})
-
-	t.Run("can builder cover bid", func(t *testing.T) {
-		stIface, err := state_native.InitializeFromProtoGloas(&ethpb.BeaconStateGloas{
-			Builders: []*ethpb.Builder{
-				{
-					Balance:           primitives.Gwei(params.BeaconConfig().MinDepositAmount + 50),
-					DepositEpoch:      0,
-					WithdrawableEpoch: params.BeaconConfig().FarFutureEpoch,
-				},
-			},
-			BuilderPendingWithdrawals: []*ethpb.BuilderPendingWithdrawal{
-				{Amount: 10, BuilderIndex: 0},
-			},
-			BuilderPendingPayments: []*ethpb.BuilderPendingPayment{
-				{Withdrawal: &ethpb.BuilderPendingWithdrawal{Amount: 15, BuilderIndex: 0}},
-			},
-			FinalizedCheckpoint: &ethpb.Checkpoint{Epoch: 1},
-		})
-		require.NoError(t, err)
-
-		st := stIface.(*state_native.BeaconState)
-		ok, err := st.CanBuilderCoverBid(0, 20)
-		require.NoError(t, err)
-		require.Equal(t, true, ok)
-
-		ok, err = st.CanBuilderCoverBid(0, 30)
-		require.NoError(t, err)
-		require.Equal(t, false, ok)
-	})
-}

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

@@ -5,7 +5,6 @@ import (
 	"encoding/binary"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
-	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/container/trie"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
@@ -40,51 +39,33 @@ func (b *BeaconState) NextSyncCommitteeGeneralizedIndex() (uint64, error) {
 
 // CurrentSyncCommitteeProof from the state's Merkle trie representation.
 func (b *BeaconState) CurrentSyncCommitteeProof(ctx context.Context) ([][]byte, error) {
-	return b.ProofByFieldIndex(ctx, types.CurrentSyncCommittee)
+	b.lock.Lock()
+	defer b.lock.Unlock()
+
+	if b.version == version.Phase0 {
+		return nil, errNotSupported("CurrentSyncCommitteeProof", b.version)
+	}
+
+	// In case the Merkle layers of the trie are not populated, we need
+	// to perform some initialization.
+	if err := b.initializeMerkleLayers(ctx); err != nil {
+		return nil, err
+	}
+	// Our beacon state uses a "dirty" fields pattern which requires us to
+	// recompute branches of the Merkle layers that are marked as dirty.
+	if err := b.recomputeDirtyFields(ctx); err != nil {
+		return nil, err
+	}
+	return trie.ProofFromMerkleLayers(b.merkleLayers, types.CurrentSyncCommittee.RealPosition()), nil
 }
 
 // NextSyncCommitteeProof from the state's Merkle trie representation.
 func (b *BeaconState) NextSyncCommitteeProof(ctx context.Context) ([][]byte, error) {
-	return b.ProofByFieldIndex(ctx, types.NextSyncCommittee)
-}
-
-// FinalizedRootProof crafts a Merkle proof for the finalized root
-// contained within the finalized checkpoint of a beacon state.
-func (b *BeaconState) FinalizedRootProof(ctx context.Context) ([][]byte, error) {
 	b.lock.Lock()
 	defer b.lock.Unlock()
 
-	branchProof, err := b.proofByFieldIndex(ctx, types.FinalizedCheckpoint)
-	if err != nil {
-		return nil, err
-	}
-
-	// The epoch field of a finalized checkpoint is the neighbor
-	// index of the finalized root field in its Merkle tree representation
-	// of the checkpoint. This neighbor is the first element added to the proof.
-	epochBuf := make([]byte, 8)
-	binary.LittleEndian.PutUint64(epochBuf, uint64(b.finalizedCheckpointVal().Epoch))
-	epochRoot := bytesutil.ToBytes32(epochBuf)
-	proof := make([][]byte, 0)
-	proof = append(proof, epochRoot[:])
-	proof = append(proof, branchProof...)
-	return proof, nil
-}
-
-// ProofByFieldIndex constructs proofs for given field index with lock acquisition.
-func (b *BeaconState) ProofByFieldIndex(ctx context.Context, f types.FieldIndex) ([][]byte, error) {
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	return b.proofByFieldIndex(ctx, f)
-}
-
-// proofByFieldIndex constructs proofs for given field index.
-// Important: it is assumed that beacon state mutex is locked when calling this method.
-func (b *BeaconState) proofByFieldIndex(ctx context.Context, f types.FieldIndex) ([][]byte, error) {
-	err := b.validateFieldIndex(f)
-	if err != nil {
-		return nil, err
+	if b.version == version.Phase0 {
+		return nil, errNotSupported("NextSyncCommitteeProof", b.version)
 	}
 
 	if err := b.initializeMerkleLayers(ctx); err != nil {
@@ -93,40 +74,35 @@ func (b *BeaconState) proofByFieldIndex(ctx context.Context, f types.FieldIndex)
 	if err := b.recomputeDirtyFields(ctx); err != nil {
 		return nil, err
 	}
-	return trie.ProofFromMerkleLayers(b.merkleLayers, f.RealPosition()), nil
+	return trie.ProofFromMerkleLayers(b.merkleLayers, types.NextSyncCommittee.RealPosition()), nil
 }
 
-func (b *BeaconState) validateFieldIndex(f types.FieldIndex) error {
-	switch b.version {
-	case version.Phase0:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Altair:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateAltairFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Bellatrix:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateBellatrixFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Capella:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateCapellaFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Deneb:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateDenebFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Electra:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateElectraFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
-	case version.Fulu:
-		if f.RealPosition() > params.BeaconConfig().BeaconStateFuluFieldCount-1 {
-			return errNotSupported(f.String(), b.version)
-		}
+// FinalizedRootProof crafts a Merkle proof for the finalized root
+// contained within the finalized checkpoint of a beacon state.
+func (b *BeaconState) FinalizedRootProof(ctx context.Context) ([][]byte, error) {
+	b.lock.Lock()
+	defer b.lock.Unlock()
+
+	if b.version == version.Phase0 {
+		return nil, errNotSupported("FinalizedRootProof", b.version)
 	}
 
-	return nil
+	if err := b.initializeMerkleLayers(ctx); err != nil {
+		return nil, err
+	}
+	if err := b.recomputeDirtyFields(ctx); err != nil {
+		return nil, err
+	}
+	cpt := b.finalizedCheckpointVal()
+	// The epoch field of a finalized checkpoint is the neighbor
+	// index of the finalized root field in its Merkle tree representation
+	// of the checkpoint. This neighbor is the first element added to the proof.
+	epochBuf := make([]byte, 8)
+	binary.LittleEndian.PutUint64(epochBuf, uint64(cpt.Epoch))
+	epochRoot := bytesutil.ToBytes32(epochBuf)
+	proof := make([][]byte, 0)
+	proof = append(proof, epochRoot[:])
+	branch := trie.ProofFromMerkleLayers(b.merkleLayers, types.FinalizedCheckpoint.RealPosition())
+	proof = append(proof, branch...)
+	return proof, nil
 }

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

@@ -21,6 +21,10 @@ func TestBeaconStateMerkleProofs_phase0_notsupported(t *testing.T) {
 		_, err := st.NextSyncCommitteeProof(ctx)
 		require.ErrorContains(t, "not supported", err)
 	})
+	t.Run("finalized root", func(t *testing.T) {
+		_, err := st.FinalizedRootProof(ctx)
+		require.ErrorContains(t, "not supported", err)
+	})
 }
 func TestBeaconStateMerkleProofs_altair(t *testing.T) {
 	ctx := t.Context()

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

@@ -1,63 +0,0 @@
-package state_native
-
-import (
-	"fmt"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-)
-
-// SetExecutionPayloadBid sets the latest execution payload bid in the state.
-func (b *BeaconState) SetExecutionPayloadBid(h interfaces.ROExecutionPayloadBid) error {
-	if b.version < version.Gloas {
-		return errNotSupported("SetExecutionPayloadBid", b.version)
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	parentBlockHash := h.ParentBlockHash()
-	parentBlockRoot := h.ParentBlockRoot()
-	blockHash := h.BlockHash()
-	randao := h.PrevRandao()
-	blobKzgCommitmentsRoot := h.BlobKzgCommitmentsRoot()
-	feeRecipient := h.FeeRecipient()
-	b.latestExecutionPayloadBid = &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        parentBlockHash[:],
-		ParentBlockRoot:        parentBlockRoot[:],
-		BlockHash:              blockHash[:],
-		PrevRandao:             randao[:],
-		GasLimit:               h.GasLimit(),
-		BuilderIndex:           h.BuilderIndex(),
-		Slot:                   h.Slot(),
-		Value:                  h.Value(),
-		ExecutionPayment:       h.ExecutionPayment(),
-		BlobKzgCommitmentsRoot: blobKzgCommitmentsRoot[:],
-		FeeRecipient:           feeRecipient[:],
-	}
-	b.markFieldAsDirty(types.LatestExecutionPayloadBid)
-
-	return nil
-}
-
-// SetBuilderPendingPayment sets a builder pending payment at the specified index.
-func (b *BeaconState) SetBuilderPendingPayment(index primitives.Slot, payment *ethpb.BuilderPendingPayment) error {
-	if b.version < version.Gloas {
-		return errNotSupported("SetBuilderPendingPayment", b.version)
-	}
-
-	b.lock.Lock()
-	defer b.lock.Unlock()
-
-	if uint64(index) >= uint64(len(b.builderPendingPayments)) {
-		return fmt.Errorf("builder pending payments index %d out of range (len=%d)", index, len(b.builderPendingPayments))
-	}
-
-	b.builderPendingPayments[index] = ethpb.CopyBuilderPendingPayment(payment)
-
-	b.markFieldAsDirty(types.BuilderPendingPayments)
-	return nil
-}

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

@@ -1,140 +0,0 @@
-package state_native
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native/types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/runtime/version"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-type testExecutionPayloadBid struct {
-	parentBlockHash        [32]byte
-	parentBlockRoot        [32]byte
-	blockHash              [32]byte
-	prevRandao             [32]byte
-	blobKzgCommitmentsRoot [32]byte
-	feeRecipient           [20]byte
-	gasLimit               uint64
-	builderIndex           primitives.BuilderIndex
-	slot                   primitives.Slot
-	value                  primitives.Gwei
-	executionPayment       primitives.Gwei
-}
-
-func (t testExecutionPayloadBid) ParentBlockHash() [32]byte { return t.parentBlockHash }
-func (t testExecutionPayloadBid) ParentBlockRoot() [32]byte { return t.parentBlockRoot }
-func (t testExecutionPayloadBid) PrevRandao() [32]byte      { return t.prevRandao }
-func (t testExecutionPayloadBid) BlockHash() [32]byte       { return t.blockHash }
-func (t testExecutionPayloadBid) GasLimit() uint64          { return t.gasLimit }
-func (t testExecutionPayloadBid) BuilderIndex() primitives.BuilderIndex {
-	return t.builderIndex
-}
-func (t testExecutionPayloadBid) Slot() primitives.Slot  { return t.slot }
-func (t testExecutionPayloadBid) Value() primitives.Gwei { return t.value }
-func (t testExecutionPayloadBid) ExecutionPayment() primitives.Gwei {
-	return t.executionPayment
-}
-func (t testExecutionPayloadBid) BlobKzgCommitmentsRoot() [32]byte { return t.blobKzgCommitmentsRoot }
-func (t testExecutionPayloadBid) FeeRecipient() [20]byte           { return t.feeRecipient }
-func (t testExecutionPayloadBid) IsNil() bool                      { return false }
-
-func TestSetExecutionPayloadBid(t *testing.T) {
-	t.Run("previous fork returns expected error", func(t *testing.T) {
-		st := &BeaconState{version: version.Fulu}
-		err := st.SetExecutionPayloadBid(testExecutionPayloadBid{})
-		require.ErrorContains(t, "is not supported", err)
-	})
-
-	t.Run("sets bid and marks dirty", func(t *testing.T) {
-		var (
-			parentBlockHash = [32]byte(bytes.Repeat([]byte{0xAB}, 32))
-			parentBlockRoot = [32]byte(bytes.Repeat([]byte{0xCD}, 32))
-			blockHash       = [32]byte(bytes.Repeat([]byte{0xEF}, 32))
-			prevRandao      = [32]byte(bytes.Repeat([]byte{0x11}, 32))
-			blobRoot        = [32]byte(bytes.Repeat([]byte{0x22}, 32))
-			feeRecipient    [20]byte
-		)
-		copy(feeRecipient[:], bytes.Repeat([]byte{0x33}, len(feeRecipient)))
-		st := &BeaconState{
-			version:     version.Gloas,
-			dirtyFields: make(map[types.FieldIndex]bool),
-		}
-		bid := testExecutionPayloadBid{
-			parentBlockHash:        parentBlockHash,
-			parentBlockRoot:        parentBlockRoot,
-			blockHash:              blockHash,
-			prevRandao:             prevRandao,
-			blobKzgCommitmentsRoot: blobRoot,
-			feeRecipient:           feeRecipient,
-			gasLimit:               123,
-			builderIndex:           7,
-			slot:                   9,
-			value:                  11,
-			executionPayment:       22,
-		}
-
-		require.NoError(t, st.SetExecutionPayloadBid(bid))
-
-		require.NotNil(t, st.latestExecutionPayloadBid)
-		require.DeepEqual(t, parentBlockHash[:], st.latestExecutionPayloadBid.ParentBlockHash)
-		require.DeepEqual(t, parentBlockRoot[:], st.latestExecutionPayloadBid.ParentBlockRoot)
-		require.DeepEqual(t, blockHash[:], st.latestExecutionPayloadBid.BlockHash)
-		require.DeepEqual(t, prevRandao[:], st.latestExecutionPayloadBid.PrevRandao)
-		require.DeepEqual(t, blobRoot[:], st.latestExecutionPayloadBid.BlobKzgCommitmentsRoot)
-		require.DeepEqual(t, feeRecipient[:], st.latestExecutionPayloadBid.FeeRecipient)
-		require.Equal(t, uint64(123), st.latestExecutionPayloadBid.GasLimit)
-		require.Equal(t, primitives.BuilderIndex(7), st.latestExecutionPayloadBid.BuilderIndex)
-		require.Equal(t, primitives.Slot(9), st.latestExecutionPayloadBid.Slot)
-		require.Equal(t, primitives.Gwei(11), st.latestExecutionPayloadBid.Value)
-		require.Equal(t, primitives.Gwei(22), st.latestExecutionPayloadBid.ExecutionPayment)
-		require.Equal(t, true, st.dirtyFields[types.LatestExecutionPayloadBid])
-	})
-}
-
-func TestSetBuilderPendingPayment(t *testing.T) {
-	t.Run("previous fork returns expected error", func(t *testing.T) {
-		st := &BeaconState{version: version.Fulu}
-		err := st.SetBuilderPendingPayment(0, &ethpb.BuilderPendingPayment{})
-		require.ErrorContains(t, "is not supported", err)
-	})
-
-	t.Run("sets copy and marks dirty", func(t *testing.T) {
-		st := &BeaconState{
-			version:                version.Gloas,
-			dirtyFields:            make(map[types.FieldIndex]bool),
-			builderPendingPayments: make([]*ethpb.BuilderPendingPayment, 2),
-		}
-		payment := &ethpb.BuilderPendingPayment{
-			Weight: 2,
-			Withdrawal: &ethpb.BuilderPendingWithdrawal{
-				Amount:       99,
-				BuilderIndex: 1,
-			},
-		}
-
-		require.NoError(t, st.SetBuilderPendingPayment(1, payment))
-		require.DeepEqual(t, payment, st.builderPendingPayments[1])
-		require.Equal(t, true, st.dirtyFields[types.BuilderPendingPayments])
-
-		// Mutating the original should not affect the state copy.
-		payment.Withdrawal.Amount = 12345
-		require.Equal(t, primitives.Gwei(99), st.builderPendingPayments[1].Withdrawal.Amount)
-	})
-
-	t.Run("returns error on out of range index", func(t *testing.T) {
-		st := &BeaconState{
-			version:                version.Gloas,
-			dirtyFields:            make(map[types.FieldIndex]bool),
-			builderPendingPayments: make([]*ethpb.BuilderPendingPayment, 1),
-		}
-
-		err := st.SetBuilderPendingPayment(2, &ethpb.BuilderPendingPayment{})
-
-		require.ErrorContains(t, "out of range", err)
-		require.Equal(t, false, st.dirtyFields[types.BuilderPendingPayments])
-	})
-}

beacon-chain/state/stategen/BUILD.bazel

@@ -29,7 +29,6 @@ go_library(
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/sync/backfill/coverage:go_default_library",
         "//cache/lru:go_default_library",
-        "//config/features:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/interfaces:go_default_library",
@@ -69,14 +68,11 @@ go_test(
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/transition:go_default_library",
         "//beacon-chain/db:go_default_library",
-        "//beacon-chain/db/kv:go_default_library",
         "//beacon-chain/db/testing:go_default_library",
         "//beacon-chain/forkchoice/doubly-linked-tree:go_default_library",
         "//beacon-chain/state:go_default_library",
         "//beacon-chain/state/state-native:go_default_library",
         "//beacon-chain/state/testing:go_default_library",
-        "//cmd/beacon-chain/flags:go_default_library",
-        "//config/features:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types/blocks:go_default_library",
         "//consensus-types/blocks/testing:go_default_library",

beacon-chain/state/stategen/migrate.go

@@ -5,13 +5,10 @@ import (
 	"encoding/hex"
 	"fmt"
 
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
-	"github.com/OffchainLabs/prysm/v7/config/features"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/monitoring/tracing/trace"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
@@ -28,10 +25,6 @@ func (s *State) MigrateToCold(ctx context.Context, fRoot [32]byte) error {
 	s.migrationLock.Lock()
 	defer s.migrationLock.Unlock()
 
-	if features.Get().EnableStateDiff {
-		return s.migrateToColdHdiff(ctx, fRoot)
-	}
-
 	s.finalizedInfo.lock.RLock()
 	oldFSlot := s.finalizedInfo.slot
 	s.finalizedInfo.lock.RUnlock()
@@ -97,8 +90,21 @@ func (s *State) MigrateToCold(ctx context.Context, fRoot [32]byte) error {
 				}
 			}
 		}
+
 		if s.beaconDB.HasState(ctx, aRoot) {
-			s.migrateHotToCold(aRoot)
+			// If you are migrating a state and its already part of the hot state cache saved to the db,
+			// you can just remove it from the hot state cache as it becomes redundant.
+			s.saveHotStateDB.lock.Lock()
+			roots := s.saveHotStateDB.blockRootsOfSavedStates
+			for i := range roots {
+				if aRoot == roots[i] {
+					s.saveHotStateDB.blockRootsOfSavedStates = append(roots[:i], roots[i+1:]...)
+					// There shouldn't be duplicated roots in `blockRootsOfSavedStates`.
+					// Break here is ok.
+					break
+				}
+			}
+			s.saveHotStateDB.lock.Unlock()
 			continue
 		}
 
@@ -123,103 +129,3 @@ func (s *State) MigrateToCold(ctx context.Context, fRoot [32]byte) error {
 
 	return nil
 }
-
-// migrateToColdHdiff saves the state-diffs for slots that are in the state diff tree after finalization
-func (s *State) migrateToColdHdiff(ctx context.Context, fRoot [32]byte) error {
-	s.finalizedInfo.lock.RLock()
-	oldFSlot := s.finalizedInfo.slot
-	s.finalizedInfo.lock.RUnlock()
-	fSlot, err := s.beaconDB.SlotByBlockRoot(ctx, fRoot)
-	if err != nil {
-		return errors.Wrap(err, "could not get slot by block root")
-	}
-	for slot := oldFSlot; slot < fSlot; slot++ {
-		if ctx.Err() != nil {
-			return ctx.Err()
-		}
-		_, lvl, err := s.beaconDB.SlotInDiffTree(slot)
-		if err != nil {
-			log.WithError(err).Errorf("could not determine if slot %d is in diff tree", slot)
-			continue
-		}
-		if lvl == -1 {
-			continue
-		}
-		// The state needs to be saved.
-		// Try the epoch boundary cache first.
-		cached, exists, err := s.epochBoundaryStateCache.getBySlot(slot)
-		if err != nil {
-			log.WithError(err).Errorf("could not get epoch boundary state for slot %d", slot)
-			cached = nil
-			exists = false
-		}
-		var aRoot [32]byte
-		var aState state.BeaconState
-		if exists {
-			aRoot = cached.root
-			aState = cached.state
-		} else {
-			_, roots, err := s.beaconDB.HighestRootsBelowSlot(ctx, slot)
-			if err != nil {
-				return err
-			}
-			// Given the block has been finalized, the db should not have more than one block in a given slot.
-			// We should error out when this happens.
-			if len(roots) != 1 {
-				return errUnknownBlock
-			}
-			aRoot = roots[0]
-			// Different than the legacy MigrateToCold, we need to always get the state even if
-			// the state exists in DB as part of the hot state db, because we need to process slots
-			// to the state diff tree slots.
-			aState, err = s.StateByRoot(ctx, aRoot)
-			if err != nil {
-				return err
-			}
-		}
-		if s.beaconDB.HasState(ctx, aRoot) {
-			s.migrateHotToCold(aRoot)
-			continue
-		}
-		// advance slots to the target slot
-		if aState.Slot() < slot {
-			aState, err = transition.ProcessSlots(ctx, aState, slot)
-			if err != nil {
-				return errors.Wrapf(err, "could not process slots to slot %d", slot)
-			}
-		}
-		if err := s.beaconDB.SaveState(ctx, aState, aRoot); err != nil {
-			return err
-		}
-		log.WithFields(
-			logrus.Fields{
-				"slot": aState.Slot(),
-				"root": fmt.Sprintf("%#x", aRoot),
-			}).Info("Saved state in DB")
-	}
-	// Update finalized info in memory.
-	fInfo, ok, err := s.epochBoundaryStateCache.getByBlockRoot(fRoot)
-	if err != nil {
-		return err
-	}
-	if ok {
-		s.SaveFinalizedState(fSlot, fRoot, fInfo.state)
-	}
-	return nil
-}
-
-func (s *State) migrateHotToCold(aRoot [32]byte) {
-	// If you are migrating a state and its already part of the hot state cache saved to the db,
-	// you can just remove it from the hot state cache as it becomes redundant.
-	s.saveHotStateDB.lock.Lock()
-	roots := s.saveHotStateDB.blockRootsOfSavedStates
-	for i := range roots {
-		if aRoot == roots[i] {
-			s.saveHotStateDB.blockRootsOfSavedStates = append(roots[:i], roots[i+1:]...)
-			// There shouldn't be duplicated roots in `blockRootsOfSavedStates`.
-			// Break here is ok.
-			break
-		}
-	}
-	s.saveHotStateDB.lock.Unlock()
-}

beacon-chain/state/stategen/migrate_test.go

@@ -4,11 +4,8 @@ import (
 	"testing"
 
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/blocks"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/db/kv"
 	testDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
 	doublylinkedtree "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/doubly-linked-tree"
-	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
-	"github.com/OffchainLabs/prysm/v7/config/features"
 	consensusblocks "github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
@@ -227,170 +224,3 @@ func TestMigrateToCold_ParallelCalls(t *testing.T) {
 	assert.DeepEqual(t, [][32]byte{r7}, service.saveHotStateDB.blockRootsOfSavedStates, "Did not remove all saved hot state roots")
 	require.LogsContain(t, hook, "Saved state in DB")
 }
-
-// =========================================================================
-// Tests for migrateToColdHdiff (state diff migration)
-// =========================================================================
-
-// setStateDiffExponents sets state diff exponents for testing.
-// Uses exponents [6, 5] which means:
-// - Level 0: Every 2^6 = 64 slots (full snapshot)
-// - Level 1: Every 2^5 = 32 slots (diff)
-func setStateDiffExponents() {
-	globalFlags := flags.GlobalFlags{
-		StateDiffExponents: []int{6, 5},
-	}
-	flags.Init(&globalFlags)
-}
-
-// TestMigrateToColdHdiff_CanUpdateFinalizedInfo verifies that the migration
-// correctly updates finalized info when migrating to slots not in the diff tree.
-func TestMigrateToColdHdiff_CanUpdateFinalizedInfo(t *testing.T) {
-	ctx := t.Context()
-	// Set exponents and create DB first (without EnableStateDiff flag).
-	setStateDiffExponents()
-	beaconDB := testDB.SetupDB(t)
-	// Initialize the state diff cache via the method on *kv.Store (not in interface).
-	require.NoError(t, beaconDB.(*kv.Store).InitStateDiffCacheForTesting(t, 0))
-	// Now enable the feature flag.
-	resetCfg := features.InitWithReset(&features.Flags{EnableStateDiff: true})
-	defer resetCfg()
-	service := New(beaconDB, doublylinkedtree.New())
-
-	beaconState, _ := util.DeterministicGenesisState(t, 32)
-	genesisStateRoot, err := beaconState.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	genesis := blocks.NewGenesisBlock(genesisStateRoot[:])
-	util.SaveBlock(t, ctx, beaconDB, genesis)
-	gRoot, err := genesis.Block.HashTreeRoot()
-	require.NoError(t, err)
-	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, gRoot))
-
-	// Put genesis state in epoch boundary cache so migrateToColdHdiff doesn't need to retrieve from DB.
-	require.NoError(t, service.epochBoundaryStateCache.put(gRoot, beaconState))
-
-	// Set initial finalized info at genesis.
-	service.finalizedInfo = &finalizedInfo{
-		slot:  0,
-		root:  gRoot,
-		state: beaconState,
-	}
-
-	// Create finalized block at slot 10 (not in diff tree, so no intermediate states saved).
-	finalizedState := beaconState.Copy()
-	require.NoError(t, finalizedState.SetSlot(10))
-	b := util.NewBeaconBlock()
-	b.Block.Slot = 10
-	fRoot, err := b.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, b)
-	require.NoError(t, service.epochBoundaryStateCache.put(fRoot, finalizedState))
-
-	require.NoError(t, service.MigrateToCold(ctx, fRoot))
-
-	// Verify finalized info is updated.
-	assert.Equal(t, primitives.Slot(10), service.finalizedInfo.slot)
-	assert.DeepEqual(t, fRoot, service.finalizedInfo.root)
-	expectedHTR, err := finalizedState.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	actualHTR, err := service.finalizedInfo.state.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	assert.DeepEqual(t, expectedHTR, actualHTR)
-}
-
-// TestMigrateToColdHdiff_SkipsSlotsNotInDiffTree verifies that the migration
-// skips slots that are not in the diff tree.
-func TestMigrateToColdHdiff_SkipsSlotsNotInDiffTree(t *testing.T) {
-	hook := logTest.NewGlobal()
-	ctx := t.Context()
-	// Set exponents and create DB first (without EnableStateDiff flag).
-	setStateDiffExponents()
-	beaconDB := testDB.SetupDB(t)
-	// Initialize the state diff cache via the method on *kv.Store (not in interface).
-	require.NoError(t, beaconDB.(*kv.Store).InitStateDiffCacheForTesting(t, 0))
-	// Now enable the feature flag.
-	resetCfg := features.InitWithReset(&features.Flags{EnableStateDiff: true})
-	defer resetCfg()
-	service := New(beaconDB, doublylinkedtree.New())
-
-	beaconState, pks := util.DeterministicGenesisState(t, 32)
-	genesisStateRoot, err := beaconState.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	genesis := blocks.NewGenesisBlock(genesisStateRoot[:])
-	util.SaveBlock(t, ctx, beaconDB, genesis)
-	gRoot, err := genesis.Block.HashTreeRoot()
-	require.NoError(t, err)
-	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, gRoot))
-
-	// Start from slot 1 to avoid slot 0 which is in the diff tree.
-	service.finalizedInfo = &finalizedInfo{
-		slot:  1,
-		root:  gRoot,
-		state: beaconState,
-	}
-
-	// Reset the log hook to ignore setup logs.
-	hook.Reset()
-
-	// Create a block at slot 20 (NOT in diff tree with exponents [6,5]).
-	b20, err := util.GenerateFullBlock(beaconState, pks, util.DefaultBlockGenConfig(), 20)
-	require.NoError(t, err)
-	r20, err := b20.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, b20)
-	require.NoError(t, beaconDB.SaveStateSummary(ctx, &ethpb.StateSummary{Slot: 20, Root: r20[:]}))
-
-	// Put finalized state in cache.
-	finalizedState := beaconState.Copy()
-	require.NoError(t, finalizedState.SetSlot(20))
-	require.NoError(t, service.epochBoundaryStateCache.put(r20, finalizedState))
-
-	require.NoError(t, service.MigrateToCold(ctx, r20))
-
-	// Verify NO states were saved during migration (slots 1-19 are not in diff tree).
-	assert.LogsDoNotContain(t, hook, "Saved state in DB")
-}
-
-// TestMigrateToColdHdiff_NoOpWhenFinalizedSlotNotAdvanced verifies that
-// migration is a no-op when the finalized slot has not advanced.
-func TestMigrateToColdHdiff_NoOpWhenFinalizedSlotNotAdvanced(t *testing.T) {
-	ctx := t.Context()
-	// Set exponents and create DB first (without EnableStateDiff flag).
-	setStateDiffExponents()
-	beaconDB := testDB.SetupDB(t)
-	// Initialize the state diff cache via the method on *kv.Store (not in interface).
-	require.NoError(t, beaconDB.(*kv.Store).InitStateDiffCacheForTesting(t, 0))
-	// Now enable the feature flag.
-	resetCfg := features.InitWithReset(&features.Flags{EnableStateDiff: true})
-	defer resetCfg()
-	service := New(beaconDB, doublylinkedtree.New())
-
-	beaconState, _ := util.DeterministicGenesisState(t, 32)
-	genesisStateRoot, err := beaconState.HashTreeRoot(ctx)
-	require.NoError(t, err)
-	genesis := blocks.NewGenesisBlock(genesisStateRoot[:])
-	util.SaveBlock(t, ctx, beaconDB, genesis)
-	gRoot, err := genesis.Block.HashTreeRoot()
-	require.NoError(t, err)
-	require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, gRoot))
-
-	// Set finalized info already at slot 50.
-	finalizedState := beaconState.Copy()
-	require.NoError(t, finalizedState.SetSlot(50))
-	service.finalizedInfo = &finalizedInfo{
-		slot:  50,
-		root:  gRoot,
-		state: finalizedState,
-	}
-
-	// Create block at same slot 50.
-	b := util.NewBeaconBlock()
-	b.Block.Slot = 50
-	fRoot, err := b.Block.HashTreeRoot()
-	require.NoError(t, err)
-	util.SaveBlock(t, ctx, beaconDB, b)
-	require.NoError(t, service.epochBoundaryStateCache.put(fRoot, finalizedState))
-
-	// Migration should be a no-op (finalized slot not advancing).
-	require.NoError(t, service.MigrateToCold(ctx, fRoot))
-}

beacon-chain/state/stateutil/trie_helpers.go

@@ -238,9 +238,14 @@ func recomputeRootFromLayerVariable(idx int, item [32]byte, layers [][]*[32]byte
 // AddInMixin describes a method from which a length mixin is added to the
 // provided root.
 func AddInMixin(root [32]byte, length uint64) ([32]byte, error) {
-	var rootBufRoot [32]byte
-	binary.LittleEndian.PutUint64(rootBufRoot[:], length)
-	return ssz.MixInLength(root, rootBufRoot[:]), nil
+	rootBuf := new(bytes.Buffer)
+	if err := binary.Write(rootBuf, binary.LittleEndian, length); err != nil {
+		return [32]byte{}, errors.Wrap(err, "could not marshal eth1data votes length")
+	}
+	// We need to mix in the length of the slice.
+	rootBufRoot := make([]byte, 32)
+	copy(rootBufRoot, rootBuf.Bytes())
+	return ssz.MixInLength(root, rootBufRoot), nil
 }
 
 // Merkleize 32-byte leaves into a Merkle trie for its adequate depth, returning

beacon-chain/sync/custody.go

@@ -10,72 +10,20 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
 	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
 	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/time/slots"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
 var nilFinalizedStateError = errors.New("finalized state is nil")
 
-func (s *Service) maintainCustodyInfo() error {
-	// Rationale of slot choice:
-	// - If syncing with an empty DB from genesis, then justifiedSlot = finalizedSlot = 0,
-	//   and the node starts to sync from slot 0 ==> Using justifiedSlot is correct.
-	// - If syncing with an empty DB from a checkpoint, then justifiedSlot = finalizedSlot = checkpointSlot,
-	//   and the node starts to sync from checkpointSlot ==> Using justifiedSlot is correct.
-	// - If syncing with a non-empty DB, then justifiedSlot > finalizedSlot,
-	//   and the node starts to sync from justifiedSlot + 1 ==> Using justifiedSlot + 1 is correct.
+func (s *Service) maintainCustodyInfo() {
 	const interval = 1 * time.Minute
 
-	finalizedCheckpoint, err := s.cfg.beaconDB.FinalizedCheckpoint(s.ctx)
-	if err != nil {
-		return errors.Wrap(err, "finalized checkpoint")
-	}
-
-	if finalizedCheckpoint == nil {
-		return errors.New("finalized checkpoint is nil")
-	}
-
-	finalizedSlot, err := slots.EpochStart(finalizedCheckpoint.Epoch)
-	if err != nil {
-		return errors.Wrap(err, "epoch start for finalized slot")
-	}
-
-	justifiedCheckpoint, err := s.cfg.beaconDB.JustifiedCheckpoint(s.ctx)
-	if err != nil {
-		return errors.Wrap(err, "justified checkpoint")
-	}
-
-	if justifiedCheckpoint == nil {
-		return errors.New("justified checkpoint is nil")
-	}
-
-	justifiedSlot, err := slots.EpochStart(justifiedCheckpoint.Epoch)
-	if err != nil {
-		return errors.Wrap(err, "epoch start for justified slot")
-	}
-
-	slot := justifiedSlot
-	if justifiedSlot > finalizedSlot {
-		slot++
-	}
-
-	earliestAvailableSlot, custodySubnetCount, err := s.updateCustodyInfoInDB(slot)
-	if err != nil {
-		return errors.Wrap(err, "could not get and save custody group count")
-	}
-
-	if _, _, err := s.cfg.p2p.UpdateCustodyInfo(earliestAvailableSlot, custodySubnetCount); err != nil {
-		return errors.Wrap(err, "update custody info")
-	}
-
 	async.RunEvery(s.ctx, interval, func() {
 		if err := s.updateCustodyInfoIfNeeded(); err != nil {
 			log.WithError(err).Error("Failed to update custody info")
 		}
 	})
-
-	return nil
 }
 
 func (s *Service) updateCustodyInfoIfNeeded() error {

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

@@ -510,13 +510,6 @@ func (s *Service) fetchOriginDataColumnSidecars(roBlock blocks.ROBlock, delay ti
 		}
 
 		logFunc("Failed to fetch some origin data column sidecars, retrying later")
-
-		// Wait before retrying, respecting context cancellation.
-		select {
-		case <-s.ctx.Done():
-			return s.ctx.Err()
-		case <-time.After(delay):
-		}
 	}
 }
 

beacon-chain/sync/rpc_status_test.go

@@ -12,7 +12,6 @@ import (
 	mock "github.com/OffchainLabs/prysm/v7/beacon-chain/blockchain/testing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/transition"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/db/kv"
-	dbTest "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
 	testingDB "github.com/OffchainLabs/prysm/v7/beacon-chain/db/testing"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/p2p/peers"
@@ -935,7 +934,6 @@ func TestStatusRPCRequest_BadPeerHandshake(t *testing.T) {
 	r := &Service{
 		cfg: &config{
 			p2p:           p1,
-			beaconDB:      dbTest.SetupDB(t),
 			chain:         chain,
 			stateNotifier: chain.StateNotifier(),
 			initialSync:   &mockSync.Sync{IsSyncing: false},

beacon-chain/sync/service.go

@@ -17,7 +17,6 @@ import (
 	blockfeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/block"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/operation"
 	statefeed "github.com/OffchainLabs/prysm/v7/beacon-chain/core/feed/state"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/peerdas"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/db"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/db/filesystem"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/execution"
@@ -34,11 +33,9 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/sync/backfill/coverage"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/verification"
 	lruwrpr "github.com/OffchainLabs/prysm/v7/cache/lru"
-	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	leakybucket "github.com/OffchainLabs/prysm/v7/container/leaky-bucket"
 	"github.com/OffchainLabs/prysm/v7/crypto/rand"
 	"github.com/OffchainLabs/prysm/v7/runtime"
@@ -278,6 +275,11 @@ func (s *Service) Start() {
 
 	s.processPendingBlocksQueue()
 	s.maintainPeerStatuses()
+
+	if params.FuluEnabled() {
+		s.maintainCustodyInfo()
+	}
+
 	s.resyncIfBehind()
 
 	// Update sync metrics.
@@ -285,15 +287,6 @@ func (s *Service) Start() {
 
 	// Prune data column cache periodically on finalization.
 	async.RunEvery(s.ctx, 30*time.Second, s.pruneDataColumnCache)
-
-	if !params.FuluEnabled() {
-		return
-	}
-
-	if err := s.maintainCustodyInfo(); err != nil {
-		log.WithError(err).Error("Failed to maintain custody info")
-	}
-
 }
 
 // Stop the regular sync service.
@@ -459,89 +452,6 @@ func (s *Service) waitForInitialSync(ctx context.Context) error {
 	}
 }
 
-// UpdateCustodyInfoInDB updates the custody information in the database.
-// It returns the (potentially updated) custody group count and the earliest available slot.
-func (s *Service) updateCustodyInfoInDB(slot primitives.Slot) (primitives.Slot, uint64, error) {
-	isSupernode := flags.Get().Supernode
-	isSemiSupernode := flags.Get().SemiSupernode
-
-	cfg := params.BeaconConfig()
-	custodyRequirement := cfg.CustodyRequirement
-
-	// Check if the node was previously subscribed to all data subnets, and if so,
-	// store the new status accordingly.
-	wasSupernode, err := s.cfg.beaconDB.UpdateSubscribedToAllDataSubnets(s.ctx, isSupernode)
-	if err != nil {
-		return 0, 0, errors.Wrap(err, "update subscribed to all data subnets")
-	}
-
-	// Compute the target custody group count based on current flag configuration.
-	targetCustodyGroupCount := custodyRequirement
-
-	// Supernode: custody all groups (either currently set or previously enabled)
-	if isSupernode {
-		targetCustodyGroupCount = cfg.NumberOfCustodyGroups
-	}
-
-	// Semi-supernode: custody minimum needed for reconstruction, or custody requirement if higher
-	if isSemiSupernode {
-		semiSupernodeCustody, err := peerdas.MinimumCustodyGroupCountToReconstruct()
-		if err != nil {
-			return 0, 0, errors.Wrap(err, "minimum custody group count")
-		}
-
-		targetCustodyGroupCount = max(custodyRequirement, semiSupernodeCustody)
-	}
-
-	// Safely compute the fulu fork slot.
-	fuluForkSlot, err := fuluForkSlot()
-	if err != nil {
-		return 0, 0, errors.Wrap(err, "fulu fork slot")
-	}
-
-	// If slot is before the fulu fork slot, then use the earliest stored slot as the reference slot.
-	if slot < fuluForkSlot {
-		slot, err = s.cfg.beaconDB.EarliestSlot(s.ctx)
-		if err != nil {
-			return 0, 0, errors.Wrap(err, "earliest slot")
-		}
-	}
-
-	earliestAvailableSlot, actualCustodyGroupCount, err := s.cfg.beaconDB.UpdateCustodyInfo(s.ctx, slot, targetCustodyGroupCount)
-	if err != nil {
-		return 0, 0, errors.Wrap(err, "update custody info")
-	}
-
-	if isSupernode {
-		log.WithFields(logrus.Fields{
-			"current": actualCustodyGroupCount,
-			"target":  cfg.NumberOfCustodyGroups,
-		}).Info("Supernode mode enabled. Will custody all data columns going forward.")
-	}
-
-	if wasSupernode && !isSupernode {
-		log.Warningf("Because the `--%s` flag was previously used, the node will continue to act as a super node.", flags.Supernode.Name)
-	}
-
-	return earliestAvailableSlot, actualCustodyGroupCount, nil
-}
-
-func fuluForkSlot() (primitives.Slot, error) {
-	cfg := params.BeaconConfig()
-
-	fuluForkEpoch := cfg.FuluForkEpoch
-	if fuluForkEpoch == cfg.FarFutureEpoch {
-		return cfg.FarFutureSlot, nil
-	}
-
-	forkFuluSlot, err := slots.EpochStart(fuluForkEpoch)
-	if err != nil {
-		return 0, errors.Wrap(err, "epoch start")
-	}
-
-	return forkFuluSlot, nil
-}
-
 // Checker defines a struct which can verify whether a node is currently
 // synchronizing a chain with the rest of peers in the network.
 type Checker interface {

beacon-chain/sync/service_test.go

@@ -16,9 +16,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
 	state_native "github.com/OffchainLabs/prysm/v7/beacon-chain/state/state-native"
 	mockSync "github.com/OffchainLabs/prysm/v7/beacon-chain/sync/initial-sync/testing"
-	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/flags"
-	"github.com/OffchainLabs/prysm/v7/config/params"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	leakybucket "github.com/OffchainLabs/prysm/v7/container/leaky-bucket"
 	"github.com/OffchainLabs/prysm/v7/crypto/bls"
@@ -443,224 +440,3 @@ func TestService_Stop_ConcurrentGoodbyeMessages(t *testing.T) {
 
 	require.Equal(t, false, util.WaitTimeout(&wg, 2*time.Second))
 }
-
-func TestUpdateCustodyInfoInDB(t *testing.T) {
-	const (
-		fuluForkEpoch         = 10
-		custodyRequirement    = uint64(4)
-		earliestStoredSlot    = primitives.Slot(12)
-		numberOfCustodyGroups = uint64(64)
-	)
-
-	params.SetupTestConfigCleanup(t)
-	cfg := params.BeaconConfig()
-	cfg.FuluForkEpoch = fuluForkEpoch
-	cfg.CustodyRequirement = custodyRequirement
-	cfg.NumberOfCustodyGroups = numberOfCustodyGroups
-	params.OverrideBeaconConfig(cfg)
-
-	ctx := t.Context()
-	pbBlock := util.NewBeaconBlock()
-	pbBlock.Block.Slot = 12
-	signedBeaconBlock, err := blocks.NewSignedBeaconBlock(pbBlock)
-	require.NoError(t, err)
-
-	roBlock, err := blocks.NewROBlock(signedBeaconBlock)
-	require.NoError(t, err)
-
-	t.Run("CGC increases before fulu", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Before Fulu
-		// -----------
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(15)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, custodyRequirement, actualCgc)
-
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(17)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, custodyRequirement, actualCgc)
-
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.Supernode = true
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(19)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc)
-
-		// After Fulu
-		// ----------
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc)
-	})
-
-	t.Run("CGC increases after fulu", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Before Fulu
-		// -----------
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(15)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, custodyRequirement, actualCgc)
-
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(17)
-		require.NoError(t, err)
-		require.Equal(t, earliestStoredSlot, actualEas)
-		require.Equal(t, custodyRequirement, actualCgc)
-
-		// After Fulu
-		// ----------
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.Supernode = true
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc)
-
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc)
-	})
-
-	t.Run("Supernode downgrade prevented", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Enable supernode
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.Supernode = true
-		flags.Init(gFlags)
-
-		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc)
-
-		// Try to downgrade by removing flag
-		gFlags.Supernode = false
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		// Should still be supernode
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		require.Equal(t, numberOfCustodyGroups, actualCgc) // Still 64, not downgraded
-	})
-
-	t.Run("Semi-supernode downgrade prevented", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Enable semi-supernode
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.SemiSupernode = true
-		flags.Init(gFlags)
-
-		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
-		require.Equal(t, semiSupernodeCustody, actualCgc) // Semi-supernode custodies 64 groups
-
-		// Try to downgrade by removing flag
-		gFlags.SemiSupernode = false
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		// UpdateCustodyInfo should prevent downgrade - custody count should remain at 64
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(slot + 2)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		require.Equal(t, semiSupernodeCustody, actualCgc) // Still 64 due to downgrade prevention by UpdateCustodyInfo
-	})
-
-	t.Run("Semi-supernode to supernode upgrade allowed", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Start with semi-supernode
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.SemiSupernode = true
-		flags.Init(gFlags)
-
-		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
-		require.Equal(t, semiSupernodeCustody, actualCgc) // Semi-supernode custodies 64 groups
-
-		// Upgrade to full supernode
-		gFlags.SemiSupernode = false
-		gFlags.Supernode = true
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		// Should upgrade to full supernode
-		upgradeSlot := slot + 2
-		actualEas, actualCgc, err = service.updateCustodyInfoInDB(upgradeSlot)
-		require.NoError(t, err)
-		require.Equal(t, upgradeSlot, actualEas)           // Earliest slot updates when upgrading
-		require.Equal(t, numberOfCustodyGroups, actualCgc) // Upgraded to 128
-	})
-
-	t.Run("Semi-supernode with high validator requirements uses higher custody", func(t *testing.T) {
-		beaconDB := dbTest.SetupDB(t)
-		service := Service{cfg: &config{beaconDB: beaconDB}}
-		err = beaconDB.SaveBlock(ctx, roBlock)
-		require.NoError(t, err)
-
-		// Enable semi-supernode
-		resetFlags := flags.Get()
-		gFlags := new(flags.GlobalFlags)
-		gFlags.SemiSupernode = true
-		flags.Init(gFlags)
-		defer flags.Init(resetFlags)
-
-		// Mock a high custody requirement (simulating many validators)
-		// We need to override the custody requirement calculation
-		// For this test, we'll verify the logic by checking if custodyRequirement > 64
-		// Since custodyRequirement in minimalTestService is 4, we can't test the high case here
-		// This would require a different test setup with actual validators
-		slot := fuluForkEpoch*primitives.Slot(cfg.SlotsPerEpoch) + 1
-		actualEas, actualCgc, err := service.updateCustodyInfoInDB(slot)
-		require.NoError(t, err)
-		require.Equal(t, slot, actualEas)
-		semiSupernodeCustody := numberOfCustodyGroups / 2 // 64
-		// With low validator requirements (4), should use semi-supernode minimum (64)
-		require.Equal(t, semiSupernodeCustody, actualCgc)
-	})
-}

beacon-chain/verification/blob_test.go

@@ -588,12 +588,6 @@ func fcReturnsTargetRoot(root [32]byte) func([32]byte, primitives.Epoch) ([32]by
 	}
 }
 
-func fcReturnsDependentRoot() func([32]byte, primitives.Epoch) ([32]byte, error) {
-	return func(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
-		return root, nil
-	}
-}
-
 type mockSignatureCache struct {
 	svCalledForSig map[signatureData]bool
 	svcb           func(sig signatureData) (bool, error)

beacon-chain/verification/data_column.go

@@ -1,6 +1,7 @@
 package verification
 
 import (
+	"bytes"
 	"context"
 	"crypto/sha256"
 	"fmt"
@@ -18,7 +19,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/runtime/logging"
 	"github.com/OffchainLabs/prysm/v7/time/slots"
 	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
 )
 
 var (
@@ -293,57 +293,55 @@ func (dv *RODataColumnsVerifier) ValidProposerSignature(ctx context.Context) (er
 // The returned state is guaranteed to be at the same epoch as the data column's epoch, and have the same randao mix and active
 // validator indices as the data column's parent state advanced to the data column's slot.
 func (dv *RODataColumnsVerifier) getVerifyingState(ctx context.Context, dataColumn blocks.RODataColumn) (state.ReadOnlyBeaconState, error) {
-	dataColumnSlot := dataColumn.Slot()
-	dataColumnEpoch := slots.ToEpoch(dataColumnSlot)
-	if dataColumnEpoch == 0 {
-		return dv.hsp.HeadStateReadOnly(ctx)
-	}
-	parentRoot := dataColumn.ParentRoot()
-	dcDependentRoot, err := dv.fc.DependentRootForEpoch(parentRoot, dataColumnEpoch-1)
-	if err != nil {
-		return nil, err
-	}
 	headRoot, err := dv.hsp.HeadRoot(ctx)
 	if err != nil {
 		return nil, err
 	}
-	headDependentRoot, err := dv.fc.DependentRootForEpoch(bytesutil.ToBytes32(headRoot), dataColumnEpoch-1)
-	if err != nil {
-		return nil, err
-	}
-	if dcDependentRoot == headDependentRoot {
-		headSlot := dv.hsp.HeadSlot()
-		headEpoch := slots.ToEpoch(headSlot)
-		if headEpoch == dataColumnEpoch || headEpoch == dataColumnEpoch-1 {
+	parentRoot := dataColumn.ParentRoot()
+	dataColumnSlot := dataColumn.Slot()
+	dataColumnEpoch := slots.ToEpoch(dataColumnSlot)
+	headSlot := dv.hsp.HeadSlot()
+	headEpoch := slots.ToEpoch(headSlot)
+
+	// Use head if it's the parent
+	if bytes.Equal(parentRoot[:], headRoot) {
+		// If they are in the same epoch, then we can return the head state directly
+		if dataColumnEpoch == headEpoch {
 			return dv.hsp.HeadStateReadOnly(ctx)
 		}
-		if headEpoch+1 < dataColumnEpoch {
-			headState, err := dv.hsp.HeadState(ctx)
-			if err != nil {
-				return nil, err
-			}
-			return transition.ProcessSlotsUsingNextSlotCache(ctx, headState, headRoot, dataColumnSlot)
+		// Otherwise, we need to process the head state to the data column's slot
+		headState, err := dv.hsp.HeadState(ctx)
+		if err != nil {
+			return nil, err
+		}
+		return transition.ProcessSlotsUsingNextSlotCache(ctx, headState, headRoot, dataColumnSlot)
+	}
+
+	// If head and data column are in the same epoch and head is compatible with the parent's depdendent root, then use head
+	if dataColumnEpoch == headEpoch {
+		headDependent, err := dv.fc.DependentRootForEpoch(bytesutil.ToBytes32(headRoot), dataColumnEpoch)
+		if err != nil {
+			return nil, err
+		}
+		parentDependent, err := dv.fc.DependentRootForEpoch(parentRoot, dataColumnEpoch)
+		if err != nil {
+			return nil, err
+		}
+		if bytes.Equal(headDependent[:], parentDependent[:]) {
+			return dv.hsp.HeadStateReadOnly(ctx)
 		}
 	}
 
-	logrus.WithFields(logrus.Fields{
-		"slot":       dataColumnSlot,
-		"parentRoot": fmt.Sprintf("%#x", parentRoot),
-		"headRoot":   fmt.Sprintf("%#x", headRoot),
-	}).Debug("Replying state for data column verification")
-	targetRoot, err := dv.fc.TargetRootForEpoch(parentRoot, dataColumnEpoch)
+	// Otherwise retrieve the parent state and advance it to the data column's slot
+	parentState, err := dv.sr.StateByRoot(ctx, parentRoot)
 	if err != nil {
 		return nil, err
 	}
-	targetState, err := dv.sr.StateByRoot(ctx, targetRoot)
-	if err != nil {
-		return nil, err
+	parentEpoch := slots.ToEpoch(parentState.Slot())
+	if dataColumnEpoch == parentEpoch {
+		return parentState, nil
 	}
-	targetEpoch := slots.ToEpoch(targetState.Slot())
-	if targetEpoch == dataColumnEpoch || targetEpoch == dataColumnEpoch-1 {
-		return targetState, nil
-	}
-	return transition.ProcessSlotsUsingNextSlotCache(ctx, targetState, parentRoot[:], dataColumnSlot)
+	return transition.ProcessSlotsUsingNextSlotCache(ctx, parentState, parentRoot[:], dataColumnSlot)
 }
 
 func (dv *RODataColumnsVerifier) SidecarParentSeen(parentSeen func([fieldparams.RootLength]byte) bool) (err error) {

beacon-chain/verification/data_column_test.go

@@ -1,7 +1,6 @@
 package verification
 
 import (
-	"context"
 	"reflect"
 	"testing"
 	"time"
@@ -10,7 +9,6 @@ import (
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/peerdas"
 	forkchoicetypes "github.com/OffchainLabs/prysm/v7/beacon-chain/forkchoice/types"
 	"github.com/OffchainLabs/prysm/v7/beacon-chain/startup"
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
@@ -283,7 +281,7 @@ func TestColumnSlotAboveFinalized(t *testing.T) {
 
 func TestValidProposerSignature(t *testing.T) {
 	const (
-		columnSlot = 97
+		columnSlot = 0
 		blobCount  = 1
 	)
 
@@ -296,83 +294,59 @@ func TestValidProposerSignature(t *testing.T) {
 	// The signature data does not depend on the data column itself, so we can use the first one.
 	expectedSignatureData := columnToSignatureData(firstColumn)
 
-	// Create a proper Fulu state for verification.
-	// We need enough validators to cover the proposer index.
-	numValidators := max(uint64(firstColumn.ProposerIndex()+1), 64)
-	fuluState, _ := util.DeterministicGenesisStateFulu(t, numValidators)
-
-	// Head state provider that returns the fuluState via HeadStateReadOnly path.
-	headStateWithState := &mockHeadStateProvider{
-		headRoot:          parentRoot[:],
-		headSlot:          columnSlot,
-		headStateReadOnly: fuluState,
-	}
-
-	// Head state provider that will fail (headStateReadOnly is nil).
-	headStateNotFound := &mockHeadStateProvider{
-		headRoot: parentRoot[:],
-		headSlot: columnSlot,
-	}
-
 	testCases := []struct {
-		isError           bool
-		vscbShouldError   bool
-		svcbReturn        bool
-		stateByRooter     StateByRooter
-		headStateProvider *mockHeadStateProvider
-		vscbError         error
-		svcbError         error
-		name              string
+		isError         bool
+		vscbShouldError bool
+		svcbReturn      bool
+		stateByRooter   StateByRooter
+		vscbError       error
+		svcbError       error
+		name            string
 	}{
 		{
-			name:              "cache hit - success",
-			svcbReturn:        true,
-			svcbError:         nil,
-			vscbShouldError:   true,
-			vscbError:         nil,
-			stateByRooter:     &mockStateByRooter{sbr: sbrErrorIfCalled(t)},
-			headStateProvider: headStateWithState,
-			isError:           false,
+			name:            "cache hit - success",
+			svcbReturn:      true,
+			svcbError:       nil,
+			vscbShouldError: true,
+			vscbError:       nil,
+			stateByRooter:   &mockStateByRooter{sbr: sbrErrorIfCalled(t)},
+			isError:         false,
 		},
 		{
-			name:              "cache hit - error",
-			svcbReturn:        true,
-			svcbError:         errors.New("derp"),
-			vscbShouldError:   true,
-			vscbError:         nil,
-			stateByRooter:     &mockStateByRooter{sbr: sbrErrorIfCalled(t)},
-			headStateProvider: headStateWithState,
-			isError:           true,
+			name:            "cache hit - error",
+			svcbReturn:      true,
+			svcbError:       errors.New("derp"),
+			vscbShouldError: true,
+			vscbError:       nil,
+			stateByRooter:   &mockStateByRooter{sbr: sbrErrorIfCalled(t)},
+			isError:         true,
 		},
 		{
-			name:              "cache miss - success",
-			svcbReturn:        false,
-			svcbError:         nil,
-			vscbShouldError:   false,
-			vscbError:         nil,
-			stateByRooter:     sbrForValOverrideWithT(t, firstColumn.ProposerIndex(), validator),
-			headStateProvider: headStateWithState,
-			isError:           false,
+			name:            "cache miss - success",
+			svcbReturn:      false,
+			svcbError:       nil,
+			vscbShouldError: false,
+			vscbError:       nil,
+			stateByRooter:   sbrForValOverrideWithT(t, firstColumn.ProposerIndex(), validator),
+			isError:         false,
 		},
 		{
-			name:              "cache miss - state not found",
-			svcbReturn:        false,
-			svcbError:         nil,
-			vscbShouldError:   false,
-			vscbError:         nil,
-			stateByRooter:     sbrNotFound(t, expectedSignatureData.Parent),
-			headStateProvider: headStateNotFound,
-			isError:           true,
+			name:            "cache miss - state not found",
+			svcbReturn:      false,
+			svcbError:       nil,
+			vscbShouldError: false,
+			vscbError:       nil,
+			stateByRooter:   sbrNotFound(t, expectedSignatureData.Parent),
+			isError:         true,
 		},
 		{
-			name:              "cache miss - signature failure",
-			svcbReturn:        false,
-			svcbError:         nil,
-			vscbShouldError:   false,
-			vscbError:         errors.New("signature, not so good!"),
-			stateByRooter:     sbrForValOverrideWithT(t, firstColumn.ProposerIndex(), validator),
-			headStateProvider: headStateWithState,
-			isError:           true,
+			name:            "cache miss - signature failure",
+			svcbReturn:      false,
+			svcbError:       nil,
+			vscbShouldError: false,
+			vscbError:       errors.New("signature, not so good!"),
+			stateByRooter:   sbrForValOverrideWithT(t, firstColumn.ProposerIndex(), validator),
+			isError:         true,
 		},
 	}
 
@@ -403,10 +377,9 @@ func TestValidProposerSignature(t *testing.T) {
 				shared: &sharedResources{
 					sc:  signatureCache,
 					sr:  tc.stateByRooter,
-					hsp: tc.headStateProvider,
+					hsp: &mockHeadStateProvider{},
 					fc: &mockForkchoicer{
-						DependentRootForEpochCB: fcReturnsDependentRoot(),
-						TargetRootForEpochCB:    fcReturnsTargetRoot([fieldparams.RootLength]byte{}),
+						TargetRootForEpochCB: fcReturnsTargetRoot([fieldparams.RootLength]byte{}),
 					},
 				},
 			}
@@ -432,7 +405,7 @@ func TestValidProposerSignature(t *testing.T) {
 
 func TestDataColumnsSidecarParentSeen(t *testing.T) {
 	const (
-		columnSlot = 97
+		columnSlot = 0
 		blobCount  = 1
 	)
 
@@ -536,7 +509,7 @@ func TestDataColumnsSidecarParentValid(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			const (
-				columnSlot = 97
+				columnSlot = 0
 				blobCount  = 1
 			)
 
@@ -657,7 +630,7 @@ func TestDataColumnsSidecarDescendsFromFinalized(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			const (
-				columnSlot = 97
+				columnSlot = 0
 				blobCount  = 1
 			)
 
@@ -720,7 +693,7 @@ func TestDataColumnsSidecarInclusionProven(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			const (
-				columnSlot = 97
+				columnSlot = 0
 				blobCount  = 1
 			)
 
@@ -775,7 +748,7 @@ func TestDataColumnsSidecarKzgProofVerified(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			const (
-				columnSlot = 97
+				columnSlot = 0
 				blobCount  = 1
 			)
 
@@ -951,135 +924,3 @@ func TestColumnRequirementSatisfaction(t *testing.T) {
 	require.NoError(t, err)
 }
 
-func TestGetVerifyingStateEdgeCases(t *testing.T) {
-	const (
-		columnSlot = 97 // epoch 3
-		blobCount  = 1
-	)
-
-	parentRoot := [fieldparams.RootLength]byte{}
-	columns := GenerateTestDataColumns(t, parentRoot, columnSlot, blobCount)
-
-	// Create a proper Fulu state for verification.
-	numValidators := max(uint64(columns[0].ProposerIndex()+1), 64)
-	fuluState, _ := util.DeterministicGenesisStateFulu(t, numValidators)
-
-	t.Run("different dependent roots - uses StateByRoot path", func(t *testing.T) {
-		// Parent and head are on different forks with different dependent roots.
-		// This forces the code to use TargetRootForEpoch -> StateByRoot path.
-		signatureCache := &mockSignatureCache{
-			svcb: func(signatureData signatureData) (bool, error) {
-				return false, nil // Cache miss
-			},
-			vscb: func(signatureData signatureData, _ validatorAtIndexer) (err error) {
-				return nil // Signature valid
-			},
-		}
-
-		// StateByRoot will be called because dependent roots differ
-		stateByRootCalled := false
-		stateByRooter := &mockStateByRooter{
-			sbr: func(_ context.Context, root [32]byte) (state.BeaconState, error) {
-				stateByRootCalled = true
-				return fuluState, nil
-			},
-		}
-
-		initializer := Initializer{
-			shared: &sharedResources{
-				sc: signatureCache,
-				sr: stateByRooter,
-				hsp: &mockHeadStateProvider{
-					headRoot: []byte{0xff}, // Different from parentRoot
-					headSlot: columnSlot,
-				},
-				fc: &mockForkchoicer{
-					// Return different roots for parent vs head to simulate different forks
-					DependentRootForEpochCB: func(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
-						return root, nil // Returns input, so parent [0...] != head [0xff...]
-					},
-					TargetRootForEpochCB: fcReturnsTargetRoot([fieldparams.RootLength]byte{}),
-				},
-			},
-		}
-
-		verifier := initializer.NewDataColumnsVerifier(columns, GossipDataColumnSidecarRequirements)
-		err := verifier.ValidProposerSignature(t.Context())
-		require.NoError(t, err)
-		require.Equal(t, true, stateByRootCalled, "StateByRoot should be called when dependent roots differ")
-	})
-
-	t.Run("same dependent root head far ahead - uses head state with ProcessSlots", func(t *testing.T) {
-		// Parent is ancestor of head on same chain, but head is in epoch 1 while column is in epoch 3.
-		// headEpoch (1) + 1 < dataColumnEpoch (3), so ProcessSlots is called on head state.
-		signatureCache := &mockSignatureCache{
-			svcb: func(signatureData signatureData) (bool, error) {
-				return false, nil // Cache miss
-			},
-			vscb: func(signatureData signatureData, _ validatorAtIndexer) (err error) {
-				return nil // Signature valid
-			},
-		}
-
-		headStateCalled := false
-		initializer := Initializer{
-			shared: &sharedResources{
-				sc: signatureCache,
-				sr: &mockStateByRooter{sbr: sbrErrorIfCalled(t)}, // Should not be called
-				hsp: &mockHeadStateProvider{
-					headRoot: parentRoot[:],     // Same as parent
-					headSlot: 32,                // Epoch 1
-					headState: fuluState.Copy(), // HeadState (not ReadOnly) for ProcessSlots
-					headStateReadOnly: nil,      // Should not use ReadOnly path
-				},
-				fc: &mockForkchoicer{
-					// Return same root for both to simulate same chain
-					DependentRootForEpochCB: func(root [32]byte, epoch primitives.Epoch) ([32]byte, error) {
-						return [32]byte{0xaa}, nil // Same for all inputs
-					},
-					TargetRootForEpochCB: fcReturnsTargetRoot([fieldparams.RootLength]byte{}),
-				},
-			},
-		}
-
-		// Wrap to detect HeadState call
-		originalHsp := initializer.shared.hsp.(*mockHeadStateProvider)
-		wrappedHsp := &mockHeadStateProvider{
-			headRoot: originalHsp.headRoot,
-			headSlot: originalHsp.headSlot,
-			headState: originalHsp.headState,
-		}
-		initializer.shared.hsp = &headStateCallTracker{
-			mockHeadStateProvider: wrappedHsp,
-			headStateCalled:       &headStateCalled,
-		}
-
-		verifier := initializer.NewDataColumnsVerifier(columns, GossipDataColumnSidecarRequirements)
-		err := verifier.ValidProposerSignature(t.Context())
-		require.NoError(t, err)
-		require.Equal(t, true, headStateCalled, "HeadState should be called when head is far ahead")
-	})
-}
-
-// headStateCallTracker wraps mockHeadStateProvider to track HeadState calls.
-type headStateCallTracker struct {
-	*mockHeadStateProvider
-	headStateCalled *bool
-}
-
-func (h *headStateCallTracker) HeadState(ctx context.Context) (state.BeaconState, error) {
-	*h.headStateCalled = true
-	return h.mockHeadStateProvider.HeadState(ctx)
-}
-
-func (h *headStateCallTracker) HeadRoot(ctx context.Context) ([]byte, error) {
-	return h.mockHeadStateProvider.HeadRoot(ctx)
-}
-
-func (h *headStateCallTracker) HeadSlot() primitives.Slot {
-	return h.mockHeadStateProvider.HeadSlot()
-}
-
-func (h *headStateCallTracker) HeadStateReadOnly(ctx context.Context) (state.ReadOnlyBeaconState, error) {
-	return h.mockHeadStateProvider.HeadStateReadOnly(ctx)
-}

changelog/farazdagi_fix-prysmctl-timestamp.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- Fix `prysmctl testnet generate-genesis` to use the timestamp from `--geth-genesis-json-in` when `--genesis-time` is not explicitly provided.

changelog/farazdagi_remove-gometalinter-refs.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- Removed deprecated gometalinter references from Bazel configuration.

changelog/galoretka_fix-leak.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- stop SlotIntervalTicker goroutine leaks [#16241](https://github.com/OffchainLabs/prysm/pull/16241)

changelog/james-prysm_cache-attestation-data.md

@@ -1,3 +0,0 @@
-### Changed
-
-- post electra we now call attestation data once per slot and use a cache for subsequent requests

changelog/james-prysm_fulu-e2e.md

@@ -1,11 +0,0 @@
-### Added
-
-- Adding basic fulu fork transition support for mainnet and minimal e2e tests (multi scenario is not included)
-
-### Changed
-
-- updated go ethereum to 1.16.7
-
-### Removed
-
-- removed github.com/MariusVanDerWijden/FuzzyVM and github.com/MariusVanDerWijden/tx-fuzz due to lack of support post 1.16.7, only used in e2e for transaction fuzzing

changelog/manu-eas.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- When adding the `--[semi-]supernode` flag, update the ealiest available slot accordingly.

changelog/manu_blob_commitment_count_metric.md

@@ -1,2 +0,0 @@
-### Added
-- `commitment_count_in_gossip_processed_blocks` gauge metric to track the number of blob KZG commitments in processed beacon blocks.

changelog/ninastef-fixes-broken-links.md

@@ -1,3 +0,0 @@
-### Fixed
-
-- fixed broken and old links to actual

changelog/potuz_dc_deproot.md

@@ -1,2 +0,0 @@
-### Changed
-- Use dependent root and target root to verify data column proposer index. 

changelog/potuz_hdiff_migrate_to_cold.md

@@ -1,3 +0,0 @@
-### Added
-
-- Migrate to cold with the hdiff feature. 

changelog/potuz_update_spectests_2.md

@@ -1,2 +0,0 @@
-### Added
-- Update spectests to v1.7.0-alpha-1.

changelog/potuz_use_hashtree.md

@@ -1,2 +0,0 @@
-### Added
-- Add feature flag to use hashtree instead of gohashtre.

changelog/pvl-gazelle-repos-check.md

@@ -1,3 +0,0 @@
-### Ignored
-
-- Gazelle update-repos is now enforced via ./hack/check_gazelle.sh

changelog/pvl-geth-v1.16.8.md

@@ -1,3 +0,0 @@
-### Security
-
-- Update go-ethereum to v1.16.8

changelog/satushh-alloc.md

@@ -1,3 +0,0 @@
-### Changed
-
-- Avoid unnessary heap allocation while calling MixInLength

changelog/satushh-delay.md

@@ -1,3 +0,0 @@
-### Changed
-
-- Use delay in fetchOriginDataColumnSidecars. Currently it is simply logged. 

changelog/syjn99_generalize-proof-generation.md

@@ -1,3 +0,0 @@
-### Added
-
-- Add `ProofByFieldIndex` to generalize merkle proof generation for `BeaconState`.

changelog/ttsao_add-gloas-bid-processing.md

@@ -1,3 +0,0 @@
-### Added
-
-- Add Gloas latest execution bid processing

changelog/ttsao_add-gloas-process-payload-att.md

@@ -0,0 +1,3 @@
+### Added
+
+- Add Gloas process payload attestation

cmd/prysmctl/testnet/generate_genesis.go

@@ -214,6 +214,13 @@ func setGlobalParams() error {
 
 func generateGenesis(ctx context.Context) (state.BeaconState, error) {
 	f := &generateGenesisStateFlags
+	if f.GenesisTime == 0 {
+		f.GenesisTime = uint64(time.Now().Unix())
+		log.Info("No genesis time specified, defaulting to now()")
+	}
+	log.Infof("Delaying genesis %v by %v seconds", f.GenesisTime, f.GenesisTimeDelay)
+	f.GenesisTime += f.GenesisTimeDelay
+	log.Infof("Genesis is now %v", f.GenesisTime)
 
 	v, err := version.FromString(f.ForkName)
 	if err != nil {
@@ -251,28 +258,7 @@ func generateGenesis(ctx context.Context) (state.BeaconState, error) {
 		if err := json.Unmarshal(gbytes, gen); err != nil {
 			return nil, err
 		}
-		// Use input file's timestamp (if `--genesis-time` is NOT explicitly provided)
-		if f.GenesisTime == 0 {
-			f.GenesisTime = gen.Timestamp
-			log.Infof("Using genesis time from input file: %d", f.GenesisTime)
-		}
-	}
-
-	// If still unset (no `--genesis-time` and no input file), default to `now()`
-	if f.GenesisTime == 0 {
-		f.GenesisTime = uint64(time.Now().Unix())
-		log.Info("No genesis time specified, defaulting to now()")
-	}
-
-	// Apply delay (if any) and expose used genesis time
-	if f.GenesisTimeDelay > 0 {
-		log.Infof("Delaying genesis %d by %d seconds", f.GenesisTime, f.GenesisTimeDelay)
-		f.GenesisTime += f.GenesisTimeDelay
-	}
-	log.Infof("Genesis time is %d", f.GenesisTime)
-
-	// Set the timestamps for genesis and forks
-	if f.GethGenesisJsonIn != "" {
+		// set timestamps for genesis and shanghai fork
 		gen.Timestamp = f.GenesisTime
 		genesis := time.Unix(int64(f.GenesisTime), 0)
 		gen.Config.ShanghaiTime = interop.GethShanghaiTime(genesis, params.BeaconConfig())
@@ -315,7 +301,7 @@ func generateGenesis(ctx context.Context) (state.BeaconState, error) {
 		if err != nil {
 			return nil, err
 		}
-		if err := os.WriteFile(f.GethGenesisJsonOut, gbytes, 0o600); err != nil {
+		if err := os.WriteFile(f.GethGenesisJsonOut, gbytes, 0600); err != nil {
 			return nil, errors.Wrapf(err, "failed to write %s", f.GethGenesisJsonOut)
 		}
 	}

cmd/prysmctl/testnet/generate_genesis_test.go

@@ -125,75 +125,6 @@ func Test_generateGenesis_BaseFeeValidation(t *testing.T) {
 	}
 }
 
-func Test_generateGenesis_TimestampHandling(t *testing.T) {
-	tests := []struct {
-		name             string
-		inputTimestamp   uint64 // timestamp in input genesis.json (0 = no input file)
-		genesisTime      uint64 // --genesis-time (0 = not set)
-		genesisTimeDelay uint64 // --genesis-time-delay
-		wantTimestamp    uint64
-	}{
-		{
-			name:           "uses input file timestamp when no --genesis-time",
-			inputTimestamp: 1700000000,
-			wantTimestamp:  1700000000,
-		},
-		{
-			name:           "explicit --genesis-time overrides input file",
-			inputTimestamp: 1700000000,
-			genesisTime:    1600000000,
-			wantTimestamp:  1600000000,
-		},
-		{
-			name:             "delay applied to input file timestamp",
-			inputTimestamp:   1700000000,
-			genesisTimeDelay: 100,
-			wantTimestamp:    1700000100,
-		},
-		{
-			name:             "delay applied to explicit --genesis-time",
-			inputTimestamp:   1700000000,
-			genesisTime:      1600000000,
-			genesisTimeDelay: 50,
-			wantTimestamp:    1600000050,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			originalFlags := generateGenesisStateFlags
-			defer func() {
-				generateGenesisStateFlags = originalFlags
-			}()
-
-			generateGenesisStateFlags.NumValidators = 2
-			generateGenesisStateFlags.GenesisTime = tt.genesisTime
-			generateGenesisStateFlags.GenesisTimeDelay = tt.genesisTimeDelay
-			generateGenesisStateFlags.ForkName = version.String(version.Deneb)
-
-			if tt.inputTimestamp > 0 {
-				genesis := &core.Genesis{
-					Timestamp:  tt.inputTimestamp,
-					BaseFee:    big.NewInt(1000000000),
-					Difficulty: big.NewInt(0),
-					GasLimit:   15000000,
-					Alloc:      types.GenesisAlloc{},
-					Config:     &params.ChainConfig{ChainID: big.NewInt(32382)},
-				}
-				genesisJSON, err := json.Marshal(genesis)
-				require.NoError(t, err)
-				tmpFile := t.TempDir() + "/genesis.json"
-				require.NoError(t, writeFile(tmpFile, genesisJSON))
-				generateGenesisStateFlags.GethGenesisJsonIn = tmpFile
-			}
-
-			st, err := generateGenesis(context.Background())
-			require.NoError(t, err)
-			assert.Equal(t, int64(tt.wantTimestamp), st.GenesisTime().Unix())
-		})
-	}
-}
-
 func writeFile(path string, data []byte) error {
-	return os.WriteFile(path, data, 0o644)
+	return os.WriteFile(path, data, 0644)
 }

config/features/config.go

@@ -70,7 +70,6 @@ type Flags struct {
 	DisableStakinContractCheck bool // Disables check for deposit contract when proposing blocks
 	IgnoreUnviableAttestations bool // Ignore attestations whose target state is not viable (avoids lagging-node DoS).
 
-	EnableHashtree               bool // Enables usage of the hashtree library for hashing
 	EnableVerboseSigVerification bool // EnableVerboseSigVerification specifies whether to verify individual signature if batch verification fails
 	EnableProposerPreprocessing  bool // EnableProposerPreprocessing enables proposer pre-processing of blocks before proposing.
 
@@ -82,6 +81,7 @@ type Flags struct {
 	SaveInvalidBlob  bool // SaveInvalidBlob saves invalid blob to temp.
 
 	EnableDiscoveryReboot bool // EnableDiscoveryReboot allows the node to have its local listener to be rebooted in the event of discovery issues.
+	LowValcountSweep      bool // LowValcountSweep bounds withdrawal sweep by validator count.
 
 	// KeystoreImportDebounceInterval specifies the time duration the validator waits to reload new keys if they have
 	// changed on disk. This feature is for advanced use cases only.
@@ -238,10 +238,6 @@ func ConfigureBeaconChain(ctx *cli.Context) error {
 		logEnabled(enableFullSSZDataLogging)
 		cfg.EnableFullSSZDataLogging = true
 	}
-	if ctx.IsSet(enableHashtree.Name) {
-		logEnabled(enableHashtree)
-		cfg.EnableHashtree = true
-	}
 	cfg.EnableVerboseSigVerification = true
 	if ctx.IsSet(disableVerboseSigVerification.Name) {
 		logEnabled(disableVerboseSigVerification)
@@ -294,6 +290,11 @@ func ConfigureBeaconChain(ctx *cli.Context) error {
 		logEnabled(ignoreUnviableAttestations)
 		cfg.IgnoreUnviableAttestations = true
 	}
+	if ctx.Bool(lowValcountSweep.Name) {
+		logEnabled(lowValcountSweep)
+		cfg.LowValcountSweep = true
+	}
+
 	if ctx.IsSet(EnableStateDiff.Name) {
 		logEnabled(EnableStateDiff)
 		cfg.EnableStateDiff = true

config/features/flags.go

@@ -133,10 +133,6 @@ var (
 		Name:  "enable-beacon-rest-api",
 		Usage: "(Experimental): Enables of the beacon REST API when querying a beacon node.",
 	}
-	enableHashtree = &cli.BoolFlag{
-		Name:  "enable-hashtree",
-		Usage: "(Experimental): Enables the hashtree hashing library.",
-	}
 	disableVerboseSigVerification = &cli.BoolFlag{
 		Name:  "disable-verbose-sig-verification",
 		Usage: "Disables identifying invalid signatures if batch verification fails when processing block.",
@@ -220,6 +216,13 @@ var (
 		Name:  "ignore-unviable-attestations",
 		Usage: "Ignores attestations whose target state is not viable with respect to the current head (avoid expensive state replay from lagging attesters).",
 	}
+	// lowValcountSweep bounds withdrawal sweep by validator count.
+	lowValcountSweep = &cli.BoolFlag{
+		Name:   "low-valcount-sweep",
+		Usage:  "Uses validator count bound for withdrawal sweep when validator count is less than MaxValidatorsPerWithdrawalsSweep.",
+		Value:  false,
+		Hidden: true,
+	}
 )
 
 // devModeFlags holds list of flags that are set when development mode is on.
@@ -282,7 +285,7 @@ var BeaconChainFlags = combinedFlags([]cli.Flag{
 	enableExperimentalAttestationPool,
 	forceHeadFlag,
 	blacklistRoots,
-	enableHashtree,
+	lowValcountSweep,
 }, deprecatedBeaconFlags, deprecatedFlags, upcomingDeprecation)
 
 func combinedFlags(flags ...[]cli.Flag) []cli.Flag {

config/fieldparams/mainnet.go

@@ -50,4 +50,7 @@ const (
 	// Introduced in Fulu network upgrade.
 	NumberOfColumns = 128 // NumberOfColumns refers to the specified number of data columns that can exist in a network.
 	CellsPerBlob    = 64  // CellsPerBlob refers to the number of cells in a (non-extended) blob.
+
+	// Introduced in Gloas network upgrade.
+	PTCSize = 512 // PTCSize is the size of the payload timeliness committee.
 )

config/fieldparams/minimal.go

@@ -50,4 +50,7 @@ const (
 	// Introduced in Fulu network upgrade.
 	NumberOfColumns = 128 // NumberOfColumns refers to the specified number of data columns that can exist in a network.
 	CellsPerBlob    = 64  // CellsPerBlob refers to the number of cells in a (non-extended) blob.
+
+	// Introduced in Gloas network upgrade.
+	PTCSize = 2 // PTCSize is the size of the payload timeliness committee.
 )

config/params/BUILD.bazel

@@ -28,7 +28,6 @@ go_library(
         "testutils_develop.go",  # keep
         "values.go",
     ],
-    embedsrcs = ["testdata/e2e_config.yaml"],
     importpath = "github.com/OffchainLabs/prysm/v7/config/params",
     visibility = ["//visibility:public"],
     deps = [

config/params/config.go

@@ -56,12 +56,10 @@ type BeaconChainConfig struct {
 	EffectiveBalanceIncrement uint64 `yaml:"EFFECTIVE_BALANCE_INCREMENT" spec:"true"` // EffectiveBalanceIncrement is used for converting the high balance into the low balance for validators.
 
 	// Initial value constants.
-	BLSWithdrawalPrefixByte         byte                    `yaml:"BLS_WITHDRAWAL_PREFIX" spec:"true"`          // BLSWithdrawalPrefixByte is used for BLS withdrawal and it's the first byte.
-	ETH1AddressWithdrawalPrefixByte byte                    `yaml:"ETH1_ADDRESS_WITHDRAWAL_PREFIX" spec:"true"` // ETH1AddressWithdrawalPrefixByte is used for withdrawals and it's the first byte.
-	CompoundingWithdrawalPrefixByte byte                    `yaml:"COMPOUNDING_WITHDRAWAL_PREFIX" spec:"true"`  // CompoundingWithdrawalPrefixByteByte is used for compounding withdrawals and it's the first byte.
-	BuilderWithdrawalPrefixByte     byte                    `yaml:"BUILDER_WITHDRAWAL_PREFIX" spec:"true"`      // BuilderWithdrawalPrefixByte is used for builder withdrawals and it's the first byte.
-	BuilderIndexSelfBuild           primitives.BuilderIndex `yaml:"BUILDER_INDEX_SELF_BUILD" spec:"true"`       // BuilderIndexSelfBuild indicates proposer self-built payloads.
-	ZeroHash                        [32]byte                // ZeroHash is used to represent a zeroed out 32 byte array.
+	BLSWithdrawalPrefixByte         byte     `yaml:"BLS_WITHDRAWAL_PREFIX" spec:"true"`          // BLSWithdrawalPrefixByte is used for BLS withdrawal and it's the first byte.
+	ETH1AddressWithdrawalPrefixByte byte     `yaml:"ETH1_ADDRESS_WITHDRAWAL_PREFIX" spec:"true"` // ETH1AddressWithdrawalPrefixByte is used for withdrawals and it's the first byte.
+	CompoundingWithdrawalPrefixByte byte     `yaml:"COMPOUNDING_WITHDRAWAL_PREFIX" spec:"true"`  // CompoundingWithdrawalPrefixByteByte is used for compounding withdrawals and it's the first byte.
+	ZeroHash                        [32]byte // ZeroHash is used to represent a zeroed out 32 byte array.
 
 	// Time parameters constants.
 	GenesisDelay                     uint64           `yaml:"GENESIS_DELAY" spec:"true"`                   // GenesisDelay is the minimum number of seconds to delay starting the Ethereum Beacon Chain genesis. Must be at least 1 second.
@@ -141,7 +139,7 @@ type BeaconChainConfig struct {
 	DomainApplicationMask             [4]byte `yaml:"DOMAIN_APPLICATION_MASK" spec:"true"`               // DomainApplicationMask defines the BLS signature domain for application mask.
 	DomainApplicationBuilder          [4]byte `yaml:"DOMAIN_APPLICATION_BUILDER" spec:"true"`            // DomainApplicationBuilder defines the BLS signature domain for application builder.
 	DomainBLSToExecutionChange        [4]byte `yaml:"DOMAIN_BLS_TO_EXECUTION_CHANGE" spec:"true"`        // DomainBLSToExecutionChange defines the BLS signature domain to change withdrawal addresses to ETH1 prefix
-	DomainBeaconBuilder               [4]byte `yaml:"DOMAIN_BEACON_BUILDER" spec:"true"`                 // DomainBeaconBuilder defines the BLS signature domain for beacon block builder.
+	DomainPTCAttester                 [4]byte `yaml:"DOMAIN_PTC_ATTESTER" spec:"true"`                   // DomainPTCAttester defines the BLS signature domain for payload transaction committee attester.
 
 	// Prysm constants.
 	GenesisValidatorsRoot          [32]byte        // GenesisValidatorsRoot is the root hash of the genesis validators.

config/params/mainnet_config.go

@@ -94,8 +94,6 @@ var mainnetBeaconConfig = &BeaconChainConfig{
 	BLSWithdrawalPrefixByte:         byte(0),
 	ETH1AddressWithdrawalPrefixByte: byte(1),
 	CompoundingWithdrawalPrefixByte: byte(2),
-	BuilderWithdrawalPrefixByte:     byte(3),
-	BuilderIndexSelfBuild:           primitives.BuilderIndex(math.MaxUint64),
 	ZeroHash:                        [32]byte{},
 
 	// Time parameter constants.
@@ -184,7 +182,7 @@ var mainnetBeaconConfig = &BeaconChainConfig{
 	DomainApplicationMask:             bytesutil.Uint32ToBytes4(0x00000001),
 	DomainApplicationBuilder:          bytesutil.Uint32ToBytes4(0x00000001),
 	DomainBLSToExecutionChange:        bytesutil.Uint32ToBytes4(0x0A000000),
-	DomainBeaconBuilder:               bytesutil.Uint32ToBytes4(0x0B000000),
+	DomainPTCAttester:                 bytesutil.Uint32ToBytes4(0x0C000000),
 
 	// Prysm constants.
 	GenesisValidatorsRoot:          [32]byte{75, 54, 61, 185, 78, 40, 97, 32, 215, 110, 185, 5, 52, 15, 221, 78, 84, 191, 233, 240, 107, 243, 63, 246, 207, 90, 210, 127, 81, 27, 254, 149},

config/params/testdata/e2e_config.yaml

@@ -49,7 +49,7 @@ ELECTRA_FORK_VERSION: 0x050000fd
 ELECTRA_FORK_EPOCH: 14
 # Fulu
 FULU_FORK_VERSION: 0x060000fd
-FULU_FORK_EPOCH: 16
+FULU_FORK_EPOCH: 18446744073709551615
 
 
 # Time parameters
@@ -62,8 +62,6 @@ SLOT_DURATION_MS: 10000
 SECONDS_PER_ETH1_BLOCK: 2 # Override for e2e tests
 # [customized] faster time for withdrawals
 MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 1
-# [customized] increased for e2e testing (minimal default is 16)
-MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP: 128
 # [customized] higher frequency of committee turnover and faster time to acceptable voluntary exit
 SHARD_COMMITTEE_PERIOD: 4 # Override for e2e tests
 # [customized] process deposits more quickly, but insecure
@@ -124,7 +122,7 @@ MIN_SYNC_COMMITTEE_PARTICIPANTS: 1
 # Other e2e overrides
 # ---------------------------------------------------------------
 CONFIG_NAME: "end-to-end"
-SLOTS_PER_EPOCH: 8
+SLOTS_PER_EPOCH: 6
 EPOCHS_PER_ETH1_VOTING_PERIOD: 2
 MAX_SEED_LOOKAHEAD: 1
 
@@ -138,8 +136,3 @@ BLOB_SCHEDULE:
   # Electra
   - EPOCH: 14
     MAX_BLOBS_PER_BLOCK: 9
-  # BPO (Blob Parameter Optimization) schedule for Fulu
-  - EPOCH: 17
-    MAX_BLOBS_PER_BLOCK: 15
-  - EPOCH: 18
-    MAX_BLOBS_PER_BLOCK: 21

config/params/testnet_e2e_config.go

@@ -1,30 +1,72 @@
 package params
 
-import (
-	_ "embed"
-	"sync"
-)
+import "math"
 
-//go:embed testdata/e2e_config.yaml
-var e2eConfigYAML []byte
-
-var (
-	e2eConfigOnce sync.Once
-	e2eConfig     *BeaconChainConfig
+const (
+	AltairE2EForkEpoch    = 6
+	BellatrixE2EForkEpoch = 8
+	CapellaE2EForkEpoch   = 10
+	DenebE2EForkEpoch     = 12
+	ElectraE2EForkEpoch   = 14
+	FuluE2EForkEpoch      = math.MaxUint64
 )
 
 // E2ETestConfig retrieves the configurations made specifically for E2E testing.
-// The config is loaded from testdata/e2e_config.yaml and cached.
 //
 // WARNING: This config is only for testing, it is not meant for use outside of E2E.
 func E2ETestConfig() *BeaconChainConfig {
-	e2eConfigOnce.Do(func() {
-		cfg, err := UnmarshalConfig(e2eConfigYAML, nil)
-		if err != nil {
-			log.WithError(err).Fatal("Failed to load embedded e2e config")
-		}
-		e2eConfig = cfg
-	})
+	e2eConfig := MinimalSpecConfig()
+	e2eConfig.DepositContractAddress = "0x4242424242424242424242424242424242424242"
+	e2eConfig.Eth1FollowDistance = 8
+
+	// Misc.
+	e2eConfig.MinGenesisActiveValidatorCount = 256
+	e2eConfig.GenesisDelay = 10 // 10 seconds so E2E has enough time to process deposits and get started.
+	e2eConfig.ChurnLimitQuotient = 65536
+	e2eConfig.MaxValidatorsPerWithdrawalsSweep = 128
+
+	// Time parameters.
+	e2eConfig.SecondsPerSlot = 10
+	e2eConfig.SlotDurationMilliseconds = 10000
+	e2eConfig.SlotsPerEpoch = 6
+	e2eConfig.SqrRootSlotsPerEpoch = 2
+	e2eConfig.SecondsPerETH1Block = 2
+	e2eConfig.EpochsPerEth1VotingPeriod = 2
+	e2eConfig.ShardCommitteePeriod = 4
+	e2eConfig.MaxSeedLookahead = 1
+	e2eConfig.MinValidatorWithdrawabilityDelay = 1
+
+	// PoW parameters.
+	e2eConfig.DepositChainID = 1337   // Chain ID of eth1 dev net.
+	e2eConfig.DepositNetworkID = 1337 // Network ID of eth1 dev net.
+
+	// Fork Parameters.
+	e2eConfig.AltairForkEpoch = AltairE2EForkEpoch
+	e2eConfig.BellatrixForkEpoch = BellatrixE2EForkEpoch
+	e2eConfig.CapellaForkEpoch = CapellaE2EForkEpoch
+	e2eConfig.DenebForkEpoch = DenebE2EForkEpoch
+	e2eConfig.ElectraForkEpoch = ElectraE2EForkEpoch
+	e2eConfig.FuluForkEpoch = FuluE2EForkEpoch
+
+	// Terminal Total Difficulty.
+	e2eConfig.TerminalTotalDifficulty = "480"
+
+	// Prysm constants.
+	e2eConfig.ConfigName = EndToEndName
+	e2eConfig.GenesisForkVersion = []byte{0, 0, 0, 253}
+	e2eConfig.AltairForkVersion = []byte{1, 0, 0, 253}
+	e2eConfig.BellatrixForkVersion = []byte{2, 0, 0, 253}
+	e2eConfig.CapellaForkVersion = []byte{3, 0, 0, 253}
+	e2eConfig.DenebForkVersion = []byte{4, 0, 0, 253}
+	e2eConfig.ElectraForkVersion = []byte{5, 0, 0, 253}
+	e2eConfig.FuluForkVersion = []byte{6, 0, 0, 253}
+
+	e2eConfig.BlobSchedule = []BlobScheduleEntry{
+		{Epoch: e2eConfig.DenebForkEpoch, MaxBlobsPerBlock: uint64(e2eConfig.DeprecatedMaxBlobsPerBlock)},
+		{Epoch: e2eConfig.ElectraForkEpoch, MaxBlobsPerBlock: uint64(e2eConfig.DeprecatedMaxBlobsPerBlockElectra)},
+	}
+
+	e2eConfig.InitializeForkSchedule()
 	return e2eConfig
 }
 
@@ -51,12 +93,12 @@ func E2EMainnetTestConfig() *BeaconChainConfig {
 	e2eConfig.DepositNetworkID = 1337 // Network ID of eth1 dev net.
 
 	// Altair Fork Parameters.
-	e2eConfig.AltairForkEpoch = E2ETestConfig().AltairForkEpoch
-	e2eConfig.BellatrixForkEpoch = E2ETestConfig().BellatrixForkEpoch
-	e2eConfig.CapellaForkEpoch = E2ETestConfig().CapellaForkEpoch
-	e2eConfig.DenebForkEpoch = E2ETestConfig().DenebForkEpoch
-	e2eConfig.ElectraForkEpoch = E2ETestConfig().ElectraForkEpoch
-	e2eConfig.FuluForkEpoch = E2ETestConfig().FuluForkEpoch
+	e2eConfig.AltairForkEpoch = AltairE2EForkEpoch
+	e2eConfig.BellatrixForkEpoch = BellatrixE2EForkEpoch
+	e2eConfig.CapellaForkEpoch = CapellaE2EForkEpoch
+	e2eConfig.DenebForkEpoch = DenebE2EForkEpoch
+	e2eConfig.ElectraForkEpoch = ElectraE2EForkEpoch
+	e2eConfig.FuluForkEpoch = FuluE2EForkEpoch
 
 	// Terminal Total Difficulty.
 	e2eConfig.TerminalTotalDifficulty = "480"
@@ -77,9 +119,6 @@ func E2EMainnetTestConfig() *BeaconChainConfig {
 	e2eConfig.BlobSchedule = []BlobScheduleEntry{
 		{Epoch: e2eConfig.DenebForkEpoch, MaxBlobsPerBlock: uint64(e2eConfig.DeprecatedMaxBlobsPerBlock)},
 		{Epoch: e2eConfig.ElectraForkEpoch, MaxBlobsPerBlock: uint64(e2eConfig.DeprecatedMaxBlobsPerBlockElectra)},
-		// BPO (Blob Parameter Optimization) schedule for Fulu
-		{Epoch: e2eConfig.FuluForkEpoch + 1, MaxBlobsPerBlock: 15},
-		{Epoch: e2eConfig.FuluForkEpoch + 2, MaxBlobsPerBlock: 21},
 	}
 
 	e2eConfig.InitializeForkSchedule()

consensus-types/BUILD.bazel

@@ -2,10 +2,15 @@ load("@prysm//tools/go:def.bzl", "go_library")
 
 go_library(
     name = "go_default_library",
-    srcs = ["types.go"],
+    srcs = [
+        "indexed_payload_attestation.go",
+        "types.go",
+    ],
     importpath = "github.com/OffchainLabs/prysm/v7/consensus-types",
     visibility = ["//visibility:public"],
     deps = [
+        "//consensus-types/primitives:go_default_library",
+        "//proto/prysm/v1alpha1:go_default_library",
         "//runtime/version:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
     ],

consensus-types/blocks/BUILD.bazel

@@ -14,13 +14,11 @@ go_library(
         "roblock.go",
         "rodatacolumn.go",
         "setters.go",
-        "signed_execution_bid.go",
         "types.go",
     ],
     importpath = "github.com/OffchainLabs/prysm/v7/consensus-types/blocks",
     visibility = ["//visibility:public"],
     deps = [
-        "//beacon-chain/core/signing:go_default_library",
         "//beacon-chain/state/stateutil:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
@@ -38,6 +36,7 @@ go_library(
         "//runtime/version:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prysmaticlabs_fastssz//:go_default_library",
+        "@com_github_prysmaticlabs_gohashtree//:go_default_library",
         "@org_golang_google_protobuf//proto:go_default_library",
     ],
 )
@@ -55,18 +54,15 @@ go_test(
         "roblock_test.go",
         "rodatacolumn_test.go",
         "setters_test.go",
-        "signed_execution_bid_test.go",
     ],
     embed = [":go_default_library"],
     deps = [
-        "//beacon-chain/core/signing:go_default_library",
         "//config/fieldparams:go_default_library",
         "//config/params:go_default_library",
         "//consensus-types:go_default_library",
         "//consensus-types/interfaces:go_default_library",
         "//consensus-types/primitives:go_default_library",
         "//container/trie:go_default_library",
-        "//crypto/hash/htr:go_default_library",
         "//encoding/bytesutil:go_default_library",
         "//proto/engine/v1:go_default_library",
         "//proto/prysm/v1alpha1:go_default_library",
@@ -76,5 +72,6 @@ go_test(
         "//testing/require:go_default_library",
         "@com_github_prysmaticlabs_fastssz//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
+        "@com_github_prysmaticlabs_gohashtree//:go_default_library",
     ],
 )

consensus-types/blocks/factory.go

@@ -641,8 +641,6 @@ func BuildSignedBeaconBlockFromExecutionPayload(blk interfaces.ReadOnlySignedBea
 			},
 			Signature: sig[:],
 		}
-	case version.Gloas:
-		return nil, errors.Wrap(errUnsupportedBeaconBlock, "gloas blocks are not supported in this function")
 	default:
 		return nil, errors.New("Block not of known type")
 	}

consensus-types/blocks/kzg.go

@@ -5,10 +5,10 @@ import (
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/container/trie"
-	"github.com/OffchainLabs/prysm/v7/crypto/hash/htr"
 	"github.com/OffchainLabs/prysm/v7/encoding/ssz"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/gohashtree"
 )
 
 const (
@@ -45,7 +45,7 @@ func VerifyKZGInclusionProof(blob ROBlob) error {
 		return errInvalidBodyRoot
 	}
 	chunks := makeChunk(blob.KzgCommitment)
-	htr.HashChunks(chunks, chunks)
+	gohashtree.HashChunks(chunks, chunks)
 	verified := trie.VerifyMerkleProof(root, chunks[0][:], blob.Index+KZGOffset, blob.CommitmentInclusionProof)
 	if !verified {
 		return errInvalidInclusionProof
@@ -182,7 +182,7 @@ func LeavesFromCommitments(commitments [][]byte) [][]byte {
 	leaves := make([][]byte, len(commitments))
 	for i, kzg := range commitments {
 		chunk := makeChunk(kzg)
-		htr.HashChunks(chunk, chunk)
+		gohashtree.HashChunks(chunk, chunk)
 		leaves[i] = chunk[0][:]
 	}
 	return leaves

consensus-types/blocks/kzg_test.go

@@ -8,10 +8,10 @@ import (
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
 	"github.com/OffchainLabs/prysm/v7/container/trie"
-	"github.com/OffchainLabs/prysm/v7/crypto/hash/htr"
 	enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
 	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
 	"github.com/OffchainLabs/prysm/v7/testing/require"
+	"github.com/prysmaticlabs/gohashtree"
 )
 
 func Test_MerkleProofKZGCommitment_Altair(t *testing.T) {
@@ -108,7 +108,7 @@ func Test_MerkleProofKZGCommitment(t *testing.T) {
 	require.Equal(t, true, trie.VerifyMerkleProof(root[:], commitmentsRoot[:], kzgPosition, topProof[:len(topProof)-1]))
 
 	chunk := makeChunk(kzgs[index])
-	htr.HashChunks(chunk, chunk)
+	gohashtree.HashChunks(chunk, chunk)
 	require.Equal(t, true, trie.VerifyMerkleProof(root[:], chunk[0][:], uint64(index+KZGOffset), proof))
 }
 

consensus-types/blocks/signed_execution_bid.go

@@ -1,142 +0,0 @@
-package blocks
-
-import (
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/interfaces"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-)
-
-// signedExecutionPayloadBid wraps the protobuf signed execution payload bid
-// and implements the ROSignedExecutionPayloadBid interface.
-type signedExecutionPayloadBid struct {
-	bid *ethpb.SignedExecutionPayloadBid
-}
-
-// executionPayloadBidGloas wraps the protobuf execution payload bid for Gloas fork
-// and implements the ROExecutionPayloadBidGloas interface.
-type executionPayloadBidGloas struct {
-	payload *ethpb.ExecutionPayloadBid
-}
-
-// IsNil checks if the signed execution payload bid is nil or invalid.
-func (s signedExecutionPayloadBid) IsNil() bool {
-	if s.bid == nil {
-		return true
-	}
-
-	if _, err := WrappedROExecutionPayloadBid(s.bid.Message); err != nil {
-		return true
-	}
-
-	return len(s.bid.Signature) != 96
-}
-
-// IsNil checks if the execution payload bid is nil or has invalid fields.
-func (h executionPayloadBidGloas) IsNil() bool {
-	if h.payload == nil {
-		return true
-	}
-
-	if len(h.payload.ParentBlockHash) != 32 ||
-		len(h.payload.ParentBlockRoot) != 32 ||
-		len(h.payload.BlockHash) != 32 ||
-		len(h.payload.PrevRandao) != 32 ||
-		len(h.payload.BlobKzgCommitmentsRoot) != 32 ||
-		len(h.payload.FeeRecipient) != 20 {
-		return true
-	}
-
-	return false
-}
-
-// WrappedROSignedExecutionPayloadBid creates a new read-only signed execution payload bid
-// wrapper from the given protobuf message.
-func WrappedROSignedExecutionPayloadBid(pb *ethpb.SignedExecutionPayloadBid) (interfaces.ROSignedExecutionPayloadBid, error) {
-	wrapper := signedExecutionPayloadBid{bid: pb}
-	if wrapper.IsNil() {
-		return nil, consensus_types.ErrNilObjectWrapped
-	}
-	return wrapper, nil
-}
-
-// WrappedROExecutionPayloadBid creates a new read-only execution payload bid
-// wrapper for the Gloas fork from the given protobuf message.
-func WrappedROExecutionPayloadBid(pb *ethpb.ExecutionPayloadBid) (interfaces.ROExecutionPayloadBid, error) {
-	wrapper := executionPayloadBidGloas{payload: pb}
-	if wrapper.IsNil() {
-		return nil, consensus_types.ErrNilObjectWrapped
-	}
-	return wrapper, nil
-}
-
-// Bid returns the execution payload bid as a read-only interface.
-func (s signedExecutionPayloadBid) Bid() (interfaces.ROExecutionPayloadBid, error) {
-	return WrappedROExecutionPayloadBid(s.bid.Message)
-}
-
-// SigningRoot computes the signing root for the execution payload bid with the given domain.
-func (s signedExecutionPayloadBid) SigningRoot(domain []byte) ([32]byte, error) {
-	return signing.ComputeSigningRoot(s.bid.Message, domain)
-}
-
-// Signature returns the BLS signature as a 96-byte array.
-func (s signedExecutionPayloadBid) Signature() [96]byte {
-	return [96]byte(s.bid.Signature)
-}
-
-// ParentBlockHash returns the hash of the parent execution block.
-func (h executionPayloadBidGloas) ParentBlockHash() [32]byte {
-	return [32]byte(h.payload.ParentBlockHash)
-}
-
-// ParentBlockRoot returns the beacon block root of the parent block.
-func (h executionPayloadBidGloas) ParentBlockRoot() [32]byte {
-	return [32]byte(h.payload.ParentBlockRoot)
-}
-
-// PrevRandao returns the previous randao value for the execution block.
-func (h executionPayloadBidGloas) PrevRandao() [32]byte {
-	return [32]byte(h.payload.PrevRandao)
-}
-
-// BlockHash returns the hash of the execution block.
-func (h executionPayloadBidGloas) BlockHash() [32]byte {
-	return [32]byte(h.payload.BlockHash)
-}
-
-// GasLimit returns the gas limit for the execution block.
-func (h executionPayloadBidGloas) GasLimit() uint64 {
-	return h.payload.GasLimit
-}
-
-// BuilderIndex returns the validator index of the builder who created this bid.
-func (h executionPayloadBidGloas) BuilderIndex() primitives.BuilderIndex {
-	return h.payload.BuilderIndex
-}
-
-// Slot returns the beacon chain slot for which this bid was created.
-func (h executionPayloadBidGloas) Slot() primitives.Slot {
-	return h.payload.Slot
-}
-
-// Value returns the payment value offered by the builder in Gwei.
-func (h executionPayloadBidGloas) Value() primitives.Gwei {
-	return primitives.Gwei(h.payload.Value)
-}
-
-// ExecutionPayment returns the execution payment offered by the builder.
-func (h executionPayloadBidGloas) ExecutionPayment() primitives.Gwei {
-	return primitives.Gwei(h.payload.ExecutionPayment)
-}
-
-// BlobKzgCommitmentsRoot returns the root of the KZG commitments for blobs.
-func (h executionPayloadBidGloas) BlobKzgCommitmentsRoot() [32]byte {
-	return [32]byte(h.payload.BlobKzgCommitmentsRoot)
-}
-
-// FeeRecipient returns the execution address that will receive the builder payment.
-func (h executionPayloadBidGloas) FeeRecipient() [20]byte {
-	return [20]byte(h.payload.FeeRecipient)
-}

consensus-types/blocks/signed_execution_bid_test.go

@@ -1,127 +0,0 @@
-package blocks_test
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/OffchainLabs/prysm/v7/beacon-chain/core/signing"
-	consensus_types "github.com/OffchainLabs/prysm/v7/consensus-types"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/blocks"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-	ethpb "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
-	"github.com/OffchainLabs/prysm/v7/testing/assert"
-	"github.com/OffchainLabs/prysm/v7/testing/require"
-)
-
-func validExecutionPayloadBid() *ethpb.ExecutionPayloadBid {
-	return &ethpb.ExecutionPayloadBid{
-		ParentBlockHash:        bytes.Repeat([]byte{0x01}, 32),
-		ParentBlockRoot:        bytes.Repeat([]byte{0x02}, 32),
-		BlockHash:              bytes.Repeat([]byte{0x03}, 32),
-		PrevRandao:             bytes.Repeat([]byte{0x04}, 32),
-		GasLimit:               123,
-		BuilderIndex:           5,
-		Slot:                   6,
-		Value:                  7,
-		ExecutionPayment:       8,
-		BlobKzgCommitmentsRoot: bytes.Repeat([]byte{0x05}, 32),
-		FeeRecipient:           bytes.Repeat([]byte{0x06}, 20),
-	}
-}
-
-func TestWrappedROExecutionPayloadBid(t *testing.T) {
-	t.Run("returns error on invalid lengths", func(t *testing.T) {
-		testCases := []struct {
-			name   string
-			mutate func(*ethpb.ExecutionPayloadBid)
-		}{
-			{
-				name:   "parent block hash",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.ParentBlockHash = []byte{0x01} },
-			},
-			{
-				name:   "parent block root",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.ParentBlockRoot = []byte{0x02} },
-			},
-			{
-				name:   "block hash",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.BlockHash = []byte{0x03} },
-			},
-			{
-				name:   "prev randao",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.PrevRandao = []byte{0x04} },
-			},
-			{
-				name:   "blob kzg commitments root",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.BlobKzgCommitmentsRoot = []byte{0x05} },
-			},
-			{
-				name:   "fee recipient",
-				mutate: func(b *ethpb.ExecutionPayloadBid) { b.FeeRecipient = []byte{0x06} },
-			},
-		}
-
-		for _, tc := range testCases {
-			t.Run(tc.name, func(t *testing.T) {
-				invalid := validExecutionPayloadBid()
-				tc.mutate(invalid)
-
-				_, err := blocks.WrappedROExecutionPayloadBid(invalid)
-				require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
-			})
-		}
-	})
-
-	t.Run("wraps and exposes fields", func(t *testing.T) {
-		bid := validExecutionPayloadBid()
-		wrapped, err := blocks.WrappedROExecutionPayloadBid(bid)
-		require.NoError(t, err)
-
-		require.Equal(t, primitives.BuilderIndex(5), wrapped.BuilderIndex())
-		require.Equal(t, primitives.Slot(6), wrapped.Slot())
-		require.Equal(t, primitives.Gwei(7), wrapped.Value())
-		require.Equal(t, primitives.Gwei(8), wrapped.ExecutionPayment())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x01}, 32)), wrapped.ParentBlockHash())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x02}, 32)), wrapped.ParentBlockRoot())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x03}, 32)), wrapped.BlockHash())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x04}, 32)), wrapped.PrevRandao())
-		assert.DeepEqual(t, [32]byte(bytes.Repeat([]byte{0x05}, 32)), wrapped.BlobKzgCommitmentsRoot())
-		assert.DeepEqual(t, [20]byte(bytes.Repeat([]byte{0x06}, 20)), wrapped.FeeRecipient())
-	})
-}
-
-func TestWrappedROSignedExecutionPayloadBid(t *testing.T) {
-	t.Run("returns error for invalid signature length", func(t *testing.T) {
-		signed := &ethpb.SignedExecutionPayloadBid{
-			Message:   validExecutionPayloadBid(),
-			Signature: bytes.Repeat([]byte{0xAA}, 95),
-		}
-		_, err := blocks.WrappedROSignedExecutionPayloadBid(signed)
-		require.Equal(t, consensus_types.ErrNilObjectWrapped, err)
-	})
-
-	t.Run("wraps and provides bid/signing data", func(t *testing.T) {
-		sig := bytes.Repeat([]byte{0xAB}, 96)
-		signed := &ethpb.SignedExecutionPayloadBid{
-			Message:   validExecutionPayloadBid(),
-			Signature: sig,
-		}
-
-		wrapped, err := blocks.WrappedROSignedExecutionPayloadBid(signed)
-		require.NoError(t, err)
-
-		bid, err := wrapped.Bid()
-		require.NoError(t, err)
-		require.Equal(t, primitives.Gwei(8), bid.ExecutionPayment())
-
-		gotSig := wrapped.Signature()
-		assert.DeepEqual(t, [96]byte(sig), gotSig)
-
-		domain := bytes.Repeat([]byte{0xCC}, 32)
-		wantRoot, err := signing.ComputeSigningRoot(signed.Message, domain)
-		require.NoError(t, err)
-		gotRoot, err := wrapped.SigningRoot(domain)
-		require.NoError(t, err)
-		require.Equal(t, wantRoot, gotRoot)
-	})
-}

consensus-types/indexed_payload_attestation.go

@@ -0,0 +1,36 @@
+package consensus_types
+
+import (
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	eth "github.com/OffchainLabs/prysm/v7/proto/prysm/v1alpha1"
+)
+
+type IndexedPayloadAttestation struct {
+	AttestingIndices []primitives.ValidatorIndex
+	Data             *eth.PayloadAttestationData
+	Signature        []byte
+}
+
+// GetAttestingIndices returns the attesting indices or nil when the receiver is nil.
+func (x *IndexedPayloadAttestation) GetAttestingIndices() []primitives.ValidatorIndex {
+	if x == nil {
+		return nil
+	}
+	return x.AttestingIndices
+}
+
+// GetData returns the attestation data or nil when the receiver is nil.
+func (x *IndexedPayloadAttestation) GetData() *eth.PayloadAttestationData {
+	if x == nil {
+		return nil
+	}
+	return x.Data
+}
+
+// GetSignature returns the signature bytes or nil when the receiver is nil.
+func (x *IndexedPayloadAttestation) GetSignature() []byte {
+	if x == nil {
+		return nil
+	}
+	return x.Signature
+}

consensus-types/interfaces/BUILD.bazel

@@ -6,7 +6,6 @@ go_library(
         "beacon_block.go",
         "error.go",
         "light_client.go",
-        "signed_execution_payload_bid.go",
         "utils.go",
         "validator.go",
     ],

consensus-types/interfaces/signed_execution_payload_bid.go

@@ -1,28 +0,0 @@
-package interfaces
-
-import (
-	field_params "github.com/OffchainLabs/prysm/v7/config/fieldparams"
-	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
-)
-
-type ROSignedExecutionPayloadBid interface {
-	Bid() (ROExecutionPayloadBid, error)
-	Signature() [field_params.BLSSignatureLength]byte
-	SigningRoot([]byte) ([32]byte, error)
-	IsNil() bool
-}
-
-type ROExecutionPayloadBid interface {
-	ParentBlockHash() [32]byte
-	ParentBlockRoot() [32]byte
-	PrevRandao() [32]byte
-	BlockHash() [32]byte
-	GasLimit() uint64
-	BuilderIndex() primitives.BuilderIndex
-	Slot() primitives.Slot
-	Value() primitives.Gwei
-	ExecutionPayment() primitives.Gwei
-	BlobKzgCommitmentsRoot() [32]byte
-	FeeRecipient() [20]byte
-	IsNil() bool
-}

crypto/hash/htr/BUILD.bazel

@@ -5,12 +5,7 @@ go_library(
     srcs = ["hashtree.go"],
     importpath = "github.com/OffchainLabs/prysm/v7/crypto/hash/htr",
     visibility = ["//visibility:public"],
-    deps = [
-        "//config/features:go_default_library",
-        "@com_github_offchainlabs_hashtree//:go_default_library",
-        "@com_github_prysmaticlabs_gohashtree//:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-    ],
+    deps = ["@com_github_prysmaticlabs_gohashtree//:go_default_library"],
 )
 
 go_test(
@@ -18,8 +13,5 @@ go_test(
     size = "small",
     srcs = ["hashtree_test.go"],
     embed = [":go_default_library"],
-    deps = [
-        "//config/features:go_default_library",
-        "//testing/require:go_default_library",
-    ],
+    deps = ["//testing/require:go_default_library"],
 )

crypto/hash/htr/hashtree.go

@@ -4,38 +4,14 @@ import (
 	"runtime"
 	"sync"
 
-	"github.com/OffchainLabs/hashtree"
-	"github.com/OffchainLabs/prysm/v7/config/features"
 	"github.com/prysmaticlabs/gohashtree"
-	log "github.com/sirupsen/logrus"
 )
 
 const minSliceSizeToParallelize = 5000
 
-// Hash hashes chunks pairwise into digests using the configured hashing library.
-// It performs input validation (odd chunks, digest length).
-func Hash(digests, chunks [][32]byte) error {
-	if features.Get().EnableHashtree {
-		return hashtree.Hash(digests, chunks)
-	}
-	return gohashtree.Hash(digests, chunks)
-}
-
-// HashChunks hashes chunks pairwise into digests without error checking.
-// The caller must ensure inputs are valid (even chunks, sufficient digest space).
-func HashChunks(digests, chunks [][32]byte) {
-	if features.Get().EnableHashtree {
-		if err := hashtree.Hash(digests, chunks); err != nil {
-			log.WithError(err).Error("Could not hash chunks")
-		}
-	} else {
-		gohashtree.HashChunks(digests, chunks)
-	}
-}
-
 func hashParallel(inputList [][32]byte, outputList [][32]byte, wg *sync.WaitGroup) {
 	defer wg.Done()
-	err := Hash(outputList, inputList)
+	err := gohashtree.Hash(outputList, inputList)
 	if err != nil {
 		panic(err) // lint:nopanic -- This should never panic.
 	}
@@ -49,7 +25,7 @@ func hashParallel(inputList [][32]byte, outputList [][32]byte, wg *sync.WaitGrou
 func VectorizedSha256(inputList [][32]byte) [][32]byte {
 	outputList := make([][32]byte, len(inputList)/2)
 	if len(inputList) < minSliceSizeToParallelize {
-		err := Hash(outputList, inputList)
+		err := gohashtree.Hash(outputList, inputList)
 		if err != nil {
 			panic(err) // lint:nopanic -- This should never panic.
 		}
@@ -62,7 +38,7 @@ func VectorizedSha256(inputList [][32]byte) [][32]byte {
 	for j := range n {
 		go hashParallel(inputList[j*2*groupSize:(j+1)*2*groupSize], outputList[j*groupSize:], &wg)
 	}
-	err := Hash(outputList[n*groupSize:], inputList[n*2*groupSize:])
+	err := gohashtree.Hash(outputList[n*groupSize:], inputList[n*2*groupSize:])
 	if err != nil {
 		panic(err) // lint:nopanic -- This should never panic.
 	}

crypto/hash/htr/hashtree_test.go

@@ -4,7 +4,6 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/OffchainLabs/prysm/v7/config/features"
 	"github.com/OffchainLabs/prysm/v7/testing/require"
 )
 
@@ -24,25 +23,3 @@ func Test_VectorizedSha256(t *testing.T) {
 		require.Equal(t, r, hash2[i])
 	}
 }
-
-func Test_VectorizedSha256_hashtree_enabled(t *testing.T) {
-	resetCfg := features.InitWithReset(&features.Flags{
-		EnableHashtree: true,
-	})
-	defer resetCfg()
-
-	largeSlice := make([][32]byte, 32*minSliceSizeToParallelize)
-	secondLargeSlice := make([][32]byte, 32*minSliceSizeToParallelize)
-	hash1 := make([][32]byte, 16*minSliceSizeToParallelize)
-	wg := sync.WaitGroup{}
-	wg.Go(func() {
-		tempHash := VectorizedSha256(largeSlice)
-		copy(hash1, tempHash)
-	})
-	wg.Wait()
-	hash2 := VectorizedSha256(secondLargeSlice)
-	require.Equal(t, len(hash1), len(hash2))
-	for i, r := range hash1 {
-		require.Equal(t, r, hash2[i])
-	}
-}

deps.bzl

@@ -73,8 +73,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_allegro_bigcache",
         importpath = "github.com/allegro/bigcache",
-        sum = "h1:eMwmnE/GDgah4HI848JfFxHt+iPb26b4zyfspmqY0/8=",
-        version = "v1.2.1-0.20190218064605-e24eb225f156",
+        sum = "h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKSc=",
+        version = "v1.2.1",
     )
     go_repository(
         name = "com_github_andreasbriese_bbloom",
@@ -301,8 +301,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_bits_and_blooms_bitset",
         importpath = "github.com/bits-and-blooms/bitset",
-        sum = "h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=",
-        version = "v1.22.0",
+        sum = "h1:1X2TS7aHz1ELcC0yU1y2stUs/0ig5oMU6STFZGrhvHI=",
+        version = "v1.17.0",
     )
     go_repository(
         name = "com_github_bradfitz_go_smtpd",
@@ -482,8 +482,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_cockroachdb_pebble",
         importpath = "github.com/cockroachdb/pebble",
-        sum = "h1:5AAWCBWbat0uE0blr8qzufZP5tBjkRyy/jWe1QWLnvw=",
-        version = "v1.1.5",
+        sum = "h1:CUh2IPtR4swHlEj48Rhfzw6l/d0qA31fItcIszQVIsA=",
+        version = "v1.1.2",
     )
     go_repository(
         name = "com_github_cockroachdb_redact",
@@ -512,16 +512,14 @@ def prysm_deps():
     go_repository(
         name = "com_github_consensys_bavard",
         importpath = "github.com/consensys/bavard",
-        sum = "h1:dTlIwEdFQmldzFf5F6bbTcYWhvnAgZai2g8eq3Wwxqg=",
-        version = "v0.1.31-0.20250406004941-2db259e4b582",
+        sum = "h1:Uw2CGvbXSZWhqK59X0VG/zOjpTFuOMcPLStrp1ihI0A=",
+        version = "v0.1.22",
     )
     go_repository(
         name = "com_github_consensys_gnark_crypto",
         importpath = "github.com/consensys/gnark-crypto",
-        patch_args = ["-p1"],
-        patches = ["//third_party:com_github_consensys_gnark_crypto.patch"],
-        sum = "h1:vIye/FqI50VeAr0B3dx+YjeIvmc3LWz4yEfbWBpTUf0=",
-        version = "v0.18.0",
+        sum = "h1:DDBdl4HaBtdQsq/wfMwJvZNE80sHidrK3Nfrefatm0E=",
+        version = "v0.14.0",
     )
     go_repository(
         name = "com_github_containerd_cgroups",
@@ -557,14 +555,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_cpuguy83_go_md2man_v2",
         importpath = "github.com/cpuguy83/go-md2man/v2",
-        sum = "h1:zbFlGlXEAKlwXpmvle3d8Oe3YnkKIK4xSRTd3sHPnBo=",
-        version = "v2.0.7",
-    )
-    go_repository(
-        name = "com_github_crate_crypto_go_eth_kzg",
-        importpath = "github.com/crate-crypto/go-eth-kzg",
-        sum = "h1:WzDGjHk4gFg6YzV0rJOAsTK4z3Qkz5jd4RE3DAvPFkg=",
-        version = "v1.4.0",
+        sum = "h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc=",
+        version = "v2.0.5",
     )
     go_repository(
         name = "com_github_crate_crypto_go_ipa",
@@ -599,8 +591,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_datadog_zstd",
         importpath = "github.com/DataDog/zstd",
-        sum = "h1:ybO8RBeh29qrxIhCA9E8gKY6xfONU9T6G6aP9DTKfLE=",
-        version = "v1.5.7",
+        sum = "h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=",
+        version = "v1.5.5",
     )
     go_repository(
         name = "com_github_davecgh_go_spew",
@@ -614,29 +606,23 @@ def prysm_deps():
         sum = "h1:pFUpOrbxDR6AkioZ1ySsx5yxlDQZ8stG2b88gTPxgJU=",
         version = "v0.0.0-20200604182044-b73af7476f6c",
     )
-    go_repository(
-        name = "com_github_dchest_siphash",
-        importpath = "github.com/dchest/siphash",
-        sum = "h1:QXwFc8cFOR2dSa/gE6o/HokBMWtLUaNDVd+22aKHeEA=",
-        version = "v1.2.3",
-    )
     go_repository(
         name = "com_github_deckarep_golang_set_v2",
         importpath = "github.com/deckarep/golang-set/v2",
-        sum = "h1:swm0rlPCmdWn9mESxKOjWk8hXSqoxOp+ZlfuyaAdFlQ=",
-        version = "v2.8.0",
+        sum = "h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM=",
+        version = "v2.6.0",
     )
     go_repository(
         name = "com_github_decred_dcrd_crypto_blake256",
         importpath = "github.com/decred/dcrd/crypto/blake256",
-        sum = "h1:zPMNGQCm0g4QTY27fOCorQW7EryeQ/U0x++OzVrdms8=",
-        version = "v1.1.0",
+        sum = "h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=",
+        version = "v1.0.1",
     )
     go_repository(
         name = "com_github_decred_dcrd_dcrec_secp256k1_v4",
         importpath = "github.com/decred/dcrd/dcrec/secp256k1/v4",
-        sum = "h1:NMZiJj8QnKe1LgsbDayM4UoHwbvwDRwnI3hwNaAHRnc=",
-        version = "v4.4.0",
+        sum = "h1:rpfIENRNNilwHwZeG5+P150SMrnNEcHYvcCuK6dPZSg=",
+        version = "v4.3.0",
     )
     go_repository(
         name = "com_github_deepmap_oapi_codegen",
@@ -749,8 +735,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_emicklei_dot",
         importpath = "github.com/emicklei/dot",
-        sum = "h1:08GN+DD79cy/tzN6uLCT84+2Wk9u+wvqP+Hkx/dIR8A=",
-        version = "v1.6.2",
+        sum = "h1:Ase39UD9T9fRBOb5ptgpixrxfx8abVzNWZi2+lr53PI=",
+        version = "v0.11.0",
     )
     go_repository(
         name = "com_github_emicklei_go_restful_v3",
@@ -783,22 +769,16 @@ def prysm_deps():
         version = "v1.2.1",
     )
     go_repository(
-        name = "com_github_ethereum_c_kzg_4844_v2",
+        name = "com_github_ethereum_c_kzg_4844",
         build_directives = [
             "gazelle:resolve go github.com/supranational/blst/bindings/go @com_github_supranational_blst//:go_default_library",
         ],
         importpath = "github.com/ethereum/c-kzg-4844/v2",
         patch_args = ["-p1"],
-        patches = ["//third_party:com_github_ethereum_c_kzg_4844_v2.patch"],
+        patches = ["//third_party:com_github_ethereum_c_kzg_4844.patch"],
         sum = "h1:aVtoLK5xwJ6c5RiqO8g8ptJ5KU+2Hdquf6G3aXiHh5s=",
         version = "v2.1.5",
     )
-    go_repository(
-        name = "com_github_ethereum_go_bigmodexpfix",
-        importpath = "github.com/ethereum/go-bigmodexpfix",
-        sum = "h1:rvv6MJhy07IMfEKuARQ9TKojGqLVNxQajaXEp/BoqSk=",
-        version = "v0.0.0-20250911101455-f9e208c548ab",
-    )
     go_repository(
         name = "com_github_ethereum_go_ethereum",
         build_directives = [
@@ -810,8 +790,8 @@ def prysm_deps():
         patches = [
             "//third_party:com_github_ethereum_go_ethereum_secp256k1.patch",
         ],
-        sum = "h1:LLLfkZWijhR5m6yrAXbdlTeXoqontH+Ga2f9igY7law=",
-        version = "v1.16.8",
+        sum = "h1:bRra1zi+/q+qyXZ6fylZOrlaF8kDdnlTtzNTmNHfX+g=",
+        version = "v1.15.9",
     )
     go_repository(
         name = "com_github_ethereum_go_verkle",
@@ -852,8 +832,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_ferranbt_fastssz",
         importpath = "github.com/ferranbt/fastssz",
-        sum = "h1:OCDB+dYDEQDvAgtAGnTSidK1Pe2tW3nFV40XyMkTeDY=",
-        version = "v0.1.4",
+        sum = "h1:ZI+z3JH05h4kgmFXdHuR1aWYsgrg7o+Fw7/NCzM16Mo=",
+        version = "v0.1.3",
     )
     go_repository(
         name = "com_github_fjl_gencodec",
@@ -939,6 +919,24 @@ def prysm_deps():
         sum = "h1:f6D9Hr8xV8uYKlyuj8XIruxlh9WjVjdh1gIicAS7ays=",
         version = "v0.0.0-20191108122812-4678299bea08",
     )
+    go_repository(
+        name = "com_github_gballet_go_verkle",
+        importpath = "github.com/gballet/go-verkle",
+        sum = "h1:BAIP2GihuqhwdILrV+7GJel5lyPV3u1+PgzrWLc0TkE=",
+        version = "v0.1.1-0.20231031103413-a67434b50f46",
+    )
+    go_repository(
+        name = "com_github_gdamore_encoding",
+        importpath = "github.com/gdamore/encoding",
+        sum = "h1:YzKZckdBL6jVt2Gc+5p82qhrGiqMdG/eNs6Wy0u3Uhw=",
+        version = "v1.0.1",
+    )
+    go_repository(
+        name = "com_github_gdamore_tcell_v2",
+        importpath = "github.com/gdamore/tcell/v2",
+        sum = "h1:sg6/UnTM9jGpZU+oFYAsDahfchWAFW8Xx2yFinNSAYU=",
+        version = "v2.7.4",
+    )
     go_repository(
         name = "com_github_getkin_kin_openapi",
         importpath = "github.com/getkin/kin-openapi",
@@ -1134,8 +1132,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_gofrs_flock",
         importpath = "github.com/gofrs/flock",
-        sum = "h1:MTLVXXHf8ekldpJk3AKicLij9MdwOWkZ+a/jHHZby9E=",
-        version = "v0.12.1",
+        sum = "h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=",
+        version = "v0.8.1",
     )
     go_repository(
         name = "com_github_gogo_googleapis",
@@ -1202,8 +1200,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_golang_snappy",
         importpath = "github.com/golang/snappy",
-        sum = "h1:Oy607GVXHs7RtbggtPBnr2RmDArIsAefDwvrdWvRhGs=",
-        version = "v1.0.0",
+        sum = "h1:4bw4WeyTYPp0smaXiJZCNnLrvVBqirQVreixayXezGc=",
+        version = "v0.0.5-0.20231225225746-43d5d4cd4e0e",
     )
     go_repository(
         name = "com_github_golangci_lint_1",
@@ -1277,6 +1275,12 @@ def prysm_deps():
         sum = "h1:GOZbcHa3HfsPKPlmyPyN2KEohoMXOhdMbHrvbpl2QaA=",
         version = "v0.1.0",
     )
+    go_repository(
+        name = "com_github_google_subcommands",
+        importpath = "github.com/google/subcommands",
+        sum = "h1:vWQspBTo2nEqTUFita5/KeEWlUL8kQObDFbub/EN9oE=",
+        version = "v1.2.0",
+    )
     go_repository(
         name = "com_github_google_uuid",
         importpath = "github.com/google/uuid",
@@ -1538,8 +1542,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_holiman_billy",
         importpath = "github.com/holiman/billy",
-        sum = "h1:IZUYC/xb3giYwBLMnr8d0TGTzPKFGNTCGgGLoyeX330=",
-        version = "v0.0.0-20250707135307-f2f9b9aae7db",
+        sum = "h1:X4egAf/gcS1zATw6wn4Ej8vjuVGxeHdan+bRb2ebyv4=",
+        version = "v0.0.0-20240216141850-2abb0c79d3c4",
     )
     go_repository(
         name = "com_github_holiman_bloomfilter_v2",
@@ -1547,6 +1551,12 @@ def prysm_deps():
         sum = "h1:73e0e/V0tCydx14a0SCYS/EWCxgwLZ18CZcZKVu0fao=",
         version = "v2.0.3",
     )
+    go_repository(
+        name = "com_github_holiman_goevmlab",
+        importpath = "github.com/holiman/goevmlab",
+        sum = "h1:JHZ8k9n9G9KXIo1qrvK5Cxah6ax5BR0qVTA9bFYl1oM=",
+        version = "v0.0.0-20241121133100-cfa6b078c8c4",
+    )
     go_repository(
         name = "com_github_holiman_uint256",
         importpath = "github.com/holiman/uint256",
@@ -1840,8 +1850,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_klauspost_compress",
         importpath = "github.com/klauspost/compress",
-        sum = "h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=",
-        version = "v1.18.0",
+        sum = "h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=",
+        version = "v1.17.11",
     )
     go_repository(
         name = "com_github_klauspost_cpuid",
@@ -1879,6 +1889,12 @@ def prysm_deps():
         sum = "h1:E1iSMxIs4WqxTbIBLtmNBeOOC+1sCIXQeqTWVnpmwhk=",
         version = "v0.0.5",
     )
+    go_repository(
+        name = "com_github_korovkin_limiter",
+        importpath = "github.com/korovkin/limiter",
+        sum = "h1:7CfsXfFpCG1wrUpuyOzG8+vpL1ZqH2goz23wZ9pboGE=",
+        version = "v0.0.0-20230307205149-3d4b2b34c99d",
+    )
     go_repository(
         name = "com_github_kr_fs",
         importpath = "github.com/kr/fs",
@@ -2046,6 +2062,12 @@ def prysm_deps():
         sum = "h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8=",
         version = "v2.0.3+incompatible",
     )
+    go_repository(
+        name = "com_github_lucasb_eyer_go_colorful",
+        importpath = "github.com/lucasb-eyer/go-colorful",
+        sum = "h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=",
+        version = "v1.2.0",
+    )
     go_repository(
         name = "com_github_lunixbochs_vtclean",
         importpath = "github.com/lunixbochs/vtclean",
@@ -2082,6 +2104,18 @@ def prysm_deps():
         sum = "h1:3l11YT8tm9MnwGFQ4kETwkzpAwY2Jt9lCrumCUW4+z4=",
         version = "v0.7.0",
     )
+    go_repository(
+        name = "com_github_mariusvanderwijden_fuzzyvm",
+        importpath = "github.com/MariusVanDerWijden/FuzzyVM",
+        sum = "h1:RQtzNvriR3Yu5CvVBTJPwDmfItBT90TWZ3fFondhc08=",
+        version = "v0.0.0-20240516070431-7828990cad7d",
+    )
+    go_repository(
+        name = "com_github_mariusvanderwijden_tx_fuzz",
+        importpath = "github.com/MariusVanDerWijden/tx-fuzz",
+        sum = "h1:Tq4lXivsR8mtoP4RpasUDIUpDLHfN1YhFge/kzrzK78=",
+        version = "v1.4.0",
+    )
     go_repository(
         name = "com_github_marten_seemann_tcp",
         importpath = "github.com/marten-seemann/tcp",
@@ -2109,8 +2143,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_mattn_go_runewidth",
         importpath = "github.com/mattn/go-runewidth",
-        sum = "h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=",
-        version = "v0.0.16",
+        sum = "h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=",
+        version = "v0.0.15",
     )
     go_repository(
         name = "com_github_matttproud_golang_protobuf_extensions",
@@ -2118,6 +2152,12 @@ def prysm_deps():
         sum = "h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=",
         version = "v1.0.4",
     )
+    go_repository(
+        name = "com_github_matttproud_golang_protobuf_extensions_v2",
+        importpath = "github.com/matttproud/golang_protobuf_extensions/v2",
+        sum = "h1:jWpvCLoY8Z/e3VKvlsiIGKtc+UG6U5vzxaoagmhXfyg=",
+        version = "v2.0.0",
+    )
     go_repository(
         name = "com_github_mgutz_ansi",
         importpath = "github.com/mgutz/ansi",
@@ -2217,8 +2257,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_mitchellh_mapstructure",
         importpath = "github.com/mitchellh/mapstructure",
-        sum = "h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=",
-        version = "v1.5.0",
+        sum = "h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=",
+        version = "v1.4.1",
     )
     go_repository(
         name = "com_github_mitchellh_pointerstructure",
@@ -2232,6 +2272,12 @@ def prysm_deps():
         sum = "h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=",
         version = "v0.4.0",
     )
+    go_repository(
+        name = "com_github_mmcloughlin_profile",
+        importpath = "github.com/mmcloughlin/profile",
+        sum = "h1:jhDmAqPyebOsVDOCICJoINoLb/AnLBaUw58nFzxWS2w=",
+        version = "v0.1.1",
+    )
     go_repository(
         name = "com_github_moby_spdystream",
         importpath = "github.com/moby/spdystream",
@@ -2403,15 +2449,6 @@ def prysm_deps():
         sum = "h1:8feyoE3OzPrcshW5/MJ4sGESc5cqmGkGCWlco4l0bqY=",
         version = "v1.4.11",
     )
-    go_repository(
-        name = "com_github_offchainlabs_hashtree",
-        build_file_generation = "off",
-        importpath = "github.com/OffchainLabs/hashtree",
-        patch_args = ["-p1"],
-        patches = ["//third_party:com_github_offchainlabs_hashtree.patch"],
-        sum = "h1:nM8dBAQZzHLzzM14FaAHXnHTAXZIst69v5xWuS48y/c=",
-        version = "v0.2.3",
-    )
     go_repository(
         name = "com_github_oklog_oklog",
         importpath = "github.com/oklog/oklog",
@@ -2784,12 +2821,6 @@ def prysm_deps():
         sum = "h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=",
         version = "v1.1.0",
     )
-    go_repository(
-        name = "com_github_projectzkm_ziren_crates_go_runtime_zkvm_runtime",
-        importpath = "github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime",
-        sum = "h1:1zYrtlhrZ6/b6SAjLSfKzWtdgqK0U+HtH/VcBWh1BaU=",
-        version = "v0.0.0-20251001021608-1fe7b43fc4d6",
-    )
     go_repository(
         name = "com_github_prometheus_client_golang",
         importpath = "github.com/prometheus/client_golang",
@@ -2911,6 +2942,12 @@ def prysm_deps():
         sum = "h1:dY6ETXrvDG7Sa4vE8ZQG4yqWg6UnOcbqTAahkV813vQ=",
         version = "v0.0.0-20190826022208-cac0b30c2563",
     )
+    go_repository(
+        name = "com_github_rivo_tview",
+        importpath = "github.com/rivo/tview",
+        sum = "h1:HxvWMyQ3vKQBlYZq9wfFtjbUeA6UUYZoLJmmwWee43s=",
+        version = "v0.0.0-20240519200218-0ac5f73025a8",
+    )
     go_repository(
         name = "com_github_rivo_uniseg",
         build_directives = [
@@ -3230,8 +3267,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_spf13_pflag",
         importpath = "github.com/spf13/pflag",
-        sum = "h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=",
-        version = "v1.0.6",
+        sum = "h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=",
+        version = "v1.0.5",
     )
     go_repository(
         name = "com_github_spf13_viper",
@@ -3347,14 +3384,14 @@ def prysm_deps():
     go_repository(
         name = "com_github_tklauser_go_sysconf",
         importpath = "github.com/tklauser/go-sysconf",
-        sum = "h1:VE89k0criAymJ/Os65CSn1IXaol+1wrsFHEB8Ol49K4=",
-        version = "v0.3.15",
+        sum = "h1:GBUpcahXSpR2xN01jhkNAbTLRk2Yzgggk8IM08lq3r4=",
+        version = "v0.3.13",
     )
     go_repository(
         name = "com_github_tklauser_numcpus",
         importpath = "github.com/tklauser/numcpus",
-        sum = "h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfjso=",
-        version = "v0.10.0",
+        sum = "h1:yjuerZP127QG9m5Zh/mSO4wqurYil27tHrqwRoRjpr4=",
+        version = "v0.7.0",
     )
     go_repository(
         name = "com_github_tmc_grpc_websocket_proxy",
@@ -3374,6 +3411,12 @@ def prysm_deps():
         sum = "h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=",
         version = "v1.2.7",
     )
+    go_repository(
+        name = "com_github_umbracle_gohashtree",
+        importpath = "github.com/umbracle/gohashtree",
+        sum = "h1:CQh33pStIp/E30b7TxDlXfM0145bn2e8boI30IxAhTg=",
+        version = "v0.0.2-alpha.0.20230207094856-5b775a815c10",
+    )
     go_repository(
         name = "com_github_urfave_cli",
         importpath = "github.com/urfave/cli",
@@ -3383,8 +3426,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_urfave_cli_v2",
         importpath = "github.com/urfave/cli/v2",
-        sum = "h1:VdRdS98FNhKZ8/Az8B7MTyGQmpIr36O1EHybx/LaZ4g=",
-        version = "v2.27.6",
+        sum = "h1:WoHEJLdsXr6dDWoJgMq/CboDmyY/8HMMH1fTECbih+w=",
+        version = "v2.27.5",
     )
     go_repository(
         name = "com_github_urfave_negroni",
@@ -3431,8 +3474,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_victoriametrics_fastcache",
         importpath = "github.com/VictoriaMetrics/fastcache",
-        sum = "h1:AW4mheMR5Vd9FkAPUv+NH6Nhw+fmbTMGMsNAoA/+4G0=",
-        version = "v1.13.0",
+        sum = "h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=",
+        version = "v1.12.2",
     )
     go_repository(
         name = "com_github_vividcortex_gohistogram",
@@ -3554,8 +3597,8 @@ def prysm_deps():
     go_repository(
         name = "com_github_yusufpapurcu_wmi",
         importpath = "github.com/yusufpapurcu/wmi",
-        sum = "h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=",
-        version = "v1.2.4",
+        sum = "h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw=",
+        version = "v1.2.3",
     )
     go_repository(
         name = "com_google_cloud_go",
@@ -4741,8 +4784,8 @@ def prysm_deps():
     go_repository(
         name = "org_golang_x_exp",
         importpath = "golang.org/x/exp",
-        sum = "h1:y5zboxd6LQAqYIhHnB48p0ByQ/GnQx2BE33L8BOHQkI=",
-        version = "v0.0.0-20250506013437-ce4c2cf36ca6",
+        sum = "h1:KL/ZBHXgKGVmuZBZ01Lt57yE5ws8ZPSkkihmEyq7FXc=",
+        version = "v0.0.0-20250128182459-e0ece0dbea4c",
     )
     go_repository(
         name = "org_golang_x_exp_typeparams",

encoding/ssz/BUILD.bazel

@@ -21,6 +21,7 @@ go_library(
         "@com_github_minio_sha256_simd//:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
+        "@com_github_prysmaticlabs_gohashtree//:go_default_library",
     ],
 )
 

encoding/ssz/merkleize.go

@@ -6,6 +6,7 @@ import (
 	"github.com/OffchainLabs/prysm/v7/container/trie"
 	"github.com/OffchainLabs/prysm/v7/crypto/hash/htr"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/gohashtree"
 )
 
 var errInvalidNilSlice = errors.New("invalid empty slice")
@@ -181,10 +182,10 @@ func MerkleizeListSSZ[T Hashable](elements []T, limit uint64) ([32]byte, error)
 	chunks := make([][32]byte, 2)
 	chunks[0] = body
 	binary.LittleEndian.PutUint64(chunks[1][:], uint64(len(elements)))
-	if err = htr.Hash(chunks, chunks); err != nil {
+	if err := gohashtree.Hash(chunks, chunks); err != nil {
 		return [32]byte{}, err
 	}
-	return chunks[0], nil
+	return chunks[0], err
 }
 
 // MerkleizeByteSliceSSZ hashes a byteslice by chunkifying it and returning the

go.mod

@@ -3,19 +3,20 @@ module github.com/OffchainLabs/prysm/v7
 go 1.25.1
 
 require (
+	github.com/MariusVanDerWijden/FuzzyVM v0.0.0-20240516070431-7828990cad7d
+	github.com/MariusVanDerWijden/tx-fuzz v1.4.0
 	github.com/OffchainLabs/go-bitfield v0.0.0-20251031151322-f427d04d8506
-	github.com/OffchainLabs/hashtree v0.2.3
 	github.com/aristanetworks/goarista v0.0.0-20200805130819-fd197cf57d96
 	github.com/bazelbuild/rules_go v0.23.2
 	github.com/btcsuite/btcd/btcec/v2 v2.3.4
-	github.com/consensys/gnark-crypto v0.18.0
+	github.com/consensys/gnark-crypto v0.14.0
 	github.com/crate-crypto/go-kzg-4844 v1.1.0
 	github.com/d4l3k/messagediff v1.2.1
 	github.com/dgraph-io/ristretto/v2 v2.2.0
 	github.com/dustin/go-humanize v1.0.1
-	github.com/emicklei/dot v1.6.2
+	github.com/emicklei/dot v0.11.0
 	github.com/ethereum/c-kzg-4844/v2 v2.1.5
-	github.com/ethereum/go-ethereum v1.16.8
+	github.com/ethereum/go-ethereum v1.15.9
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-yaml/yaml v2.1.0+incompatible
@@ -23,7 +24,7 @@ require (
 	github.com/golang-jwt/jwt/v4 v4.5.2
 	github.com/golang/gddo v0.0.0-20200528160355-8d077c1d8f4c
 	github.com/golang/protobuf v1.5.4
-	github.com/golang/snappy v1.0.0
+	github.com/golang/snappy v0.0.5-0.20231225225746-43d5d4cd4e0e
 	github.com/google/go-cmp v0.7.0
 	github.com/google/gofuzz v1.2.0
 	github.com/google/uuid v1.6.0
@@ -73,7 +74,7 @@ require (
 	github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e
 	github.com/trailofbits/go-mutexasserts v0.0.0-20250212181730-4c2b8e9e784b
 	github.com/tyler-smith/go-bip39 v1.1.0
-	github.com/urfave/cli/v2 v2.27.6
+	github.com/urfave/cli/v2 v2.27.5
 	github.com/uudashr/gocognit v1.0.5
 	github.com/wealdtech/go-bytesutil v1.1.1
 	github.com/wealdtech/go-eth2-util v1.6.3
@@ -88,7 +89,7 @@ require (
 	go.uber.org/automaxprocs v1.5.2
 	go.uber.org/mock v0.5.2
 	golang.org/x/crypto v0.44.0
-	golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6
+	golang.org/x/exp v0.0.0-20250128182459-e0ece0dbea4c
 	golang.org/x/sync v0.18.0
 	golang.org/x/tools v0.39.0
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1
@@ -105,13 +106,12 @@ require (
 
 require (
 	github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
-	github.com/DataDog/zstd v1.5.7 // indirect
+	github.com/DataDog/zstd v1.5.5 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251001021608-1fe7b43fc4d6 // indirect
-	github.com/VictoriaMetrics/fastcache v1.13.0 // indirect
+	github.com/VictoriaMetrics/fastcache v1.12.2 // indirect
 	github.com/benbjohnson/clock v1.3.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/bits-and-blooms/bitset v1.22.0 // indirect
+	github.com/bits-and-blooms/bitset v1.17.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/cp v1.1.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
@@ -119,28 +119,27 @@ require (
 	github.com/cockroachdb/errors v1.11.3 // indirect
 	github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce // indirect
 	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
-	github.com/cockroachdb/pebble v1.1.5 // indirect
+	github.com/cockroachdb/pebble v1.1.2 // indirect
 	github.com/cockroachdb/redact v1.1.5 // indirect
 	github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 // indirect
+	github.com/consensys/bavard v0.1.22 // indirect
 	github.com/containerd/cgroups v1.1.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
-	github.com/crate-crypto/go-eth-kzg v1.4.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
 	github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
-	github.com/dchest/siphash v1.2.3 // indirect
-	github.com/deckarep/golang-set/v2 v2.8.0 // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.6.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 // indirect
 	github.com/deepmap/oapi-codegen v1.8.2 // indirect
 	github.com/dlclark/regexp2 v1.7.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dop251/goja v0.0.0-20230806174421-c933cf95e127 // indirect
 	github.com/elastic/gosigar v0.14.3 // indirect
-	github.com/ethereum/go-bigmodexpfix v0.0.0-20250911101455-f9e208c548ab // indirect
+	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
 	github.com/ethereum/go-verkle v0.2.2 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/ferranbt/fastssz v0.1.4 // indirect
+	github.com/ferranbt/fastssz v0.1.3 // indirect
 	github.com/flynn/noise v1.1.0 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/getsentry/sentry-go v0.27.0 // indirect
@@ -150,7 +149,7 @@ require (
 	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
-	github.com/gofrs/flock v0.12.1 // indirect
+	github.com/gofrs/flock v0.8.1 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
 	github.com/google/pprof v0.0.0-20250202011525-fc3143867406 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
@@ -158,8 +157,9 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.25.1 // indirect
 	github.com/hashicorp/go-bexpr v0.1.10 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
-	github.com/holiman/billy v0.0.0-20250707135307-f2f9b9aae7db // indirect
+	github.com/holiman/billy v0.0.0-20240216141850-2abb0c79d3c4 // indirect
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
+	github.com/holiman/goevmlab v0.0.0-20241121133100-cfa6b078c8c4 // indirect
 	github.com/huin/goupnp v1.3.0 // indirect
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0 // indirect
 	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c // indirect
@@ -168,7 +168,7 @@ require (
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
 	github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a // indirect
-	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
 	github.com/koron/go-ssdp v0.0.5 // indirect
 	github.com/kr/text v0.2.0 // indirect
@@ -185,14 +185,15 @@ require (
 	github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/miekg/dns v1.1.63 // indirect
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
 	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/mitchellh/pointerstructure v1.2.0 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
@@ -248,12 +249,12 @@ require (
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
-	github.com/tklauser/go-sysconf v0.3.15 // indirect
-	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.13 // indirect
+	github.com/tklauser/numcpus v0.7.0 // indirect
 	github.com/wealdtech/go-eth2-types/v2 v2.8.2 // indirect
 	github.com/wlynxg/anet v0.0.5 // indirect
 	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
-	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	github.com/yusufpapurcu/wmi v1.2.3 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.34.0 // indirect
 	go.opentelemetry.io/otel/metric v1.35.0 // indirect
@@ -274,6 +275,7 @@ require (
 	gopkg.in/cenkalti/backoff.v1 v1.1.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	lukechampine.com/blake3 v1.3.0 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect

go.sum

@@ -48,22 +48,22 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
 github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DataDog/zstd v1.5.7 h1:ybO8RBeh29qrxIhCA9E8gKY6xfONU9T6G6aP9DTKfLE=
-github.com/DataDog/zstd v1.5.7/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/DataDog/zstd v1.5.5 h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=
+github.com/DataDog/zstd v1.5.5/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/MariusVanDerWijden/FuzzyVM v0.0.0-20240516070431-7828990cad7d h1:RQtzNvriR3Yu5CvVBTJPwDmfItBT90TWZ3fFondhc08=
+github.com/MariusVanDerWijden/FuzzyVM v0.0.0-20240516070431-7828990cad7d/go.mod h1:gWTykV/ZinShgltWofTEJY4TsletuvGhB6l4+Ai2F+E=
+github.com/MariusVanDerWijden/tx-fuzz v1.4.0 h1:Tq4lXivsR8mtoP4RpasUDIUpDLHfN1YhFge/kzrzK78=
+github.com/MariusVanDerWijden/tx-fuzz v1.4.0/go.mod h1:gmOVECg7o5FY5VU3DQ/fY0zTk/ExBdMkUGz0vA8qqms=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
 github.com/OffchainLabs/go-bitfield v0.0.0-20251031151322-f427d04d8506 h1:d/SJkN8/9Ca+1YmuDiUJxAiV4w/a9S8NcsG7GMQSrVI=
 github.com/OffchainLabs/go-bitfield v0.0.0-20251031151322-f427d04d8506/go.mod h1:6TZI4FU6zT8x6ZfWa1J8YQ2NgW0wLV/W3fHRca8ISBo=
-github.com/OffchainLabs/hashtree v0.2.3 h1:nM8dBAQZzHLzzM14FaAHXnHTAXZIst69v5xWuS48y/c=
-github.com/OffchainLabs/hashtree v0.2.3/go.mod h1:b07+cRZs+eAR8TR57CB9TQlt5Gnl/06Xs76xt/1wq0M=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251001021608-1fe7b43fc4d6 h1:1zYrtlhrZ6/b6SAjLSfKzWtdgqK0U+HtH/VcBWh1BaU=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20251001021608-1fe7b43fc4d6/go.mod h1:ioLG6R+5bUSO1oeGSDxOV3FADARuMoytZCSX6MEMQkI=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/sarama v1.26.1/go.mod h1:NbSGBSSndYaIhRcBtY9V0U7AyH+x71bG668AuWys/yU=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/VictoriaMetrics/fastcache v1.13.0 h1:AW4mheMR5Vd9FkAPUv+NH6Nhw+fmbTMGMsNAoA/+4G0=
-github.com/VictoriaMetrics/fastcache v1.13.0/go.mod h1:hHXhl4DA2fTL2HTZDJFXWgW0LNjo6B+4aj2Wmng3TjU=
+github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
+github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
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@@ -71,8 +71,9 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
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@@ -99,8 +100,8 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
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@@ -114,6 +115,7 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
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@@ -143,15 +145,17 @@ github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce h1:giXvy4KSc/6g/e
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@@ -166,10 +170,8 @@ github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSV
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@@ -184,14 +186,12 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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@@ -223,8 +223,8 @@ github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaB
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@@ -234,12 +234,12 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
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@@ -248,8 +248,8 @@ github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4Nij
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@@ -325,8 +325,8 @@ github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
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@@ -373,8 +373,8 @@ github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8l
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@@ -418,6 +418,7 @@ github.com/google/pprof v0.0.0-20230207041349-798e818bf904/go.mod h1:uglQLonpP8q
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@@ -485,10 +486,12 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
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@@ -546,8 +549,8 @@ github.com/kisielk/errcheck v1.8.0/go.mod h1:1kLL+jV4e+CFfueBmI1dSK2ADDyQnlrnrY/
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@@ -643,8 +646,8 @@ github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
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@@ -678,11 +681,13 @@ github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:F
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@@ -990,8 +995,8 @@ github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3
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@@ -1028,18 +1033,20 @@ github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3/go.mod h1:
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@@ -1074,8 +1081,8 @@ github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
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 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
@@ -1177,8 +1184,8 @@ golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
-golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6 h1:y5zboxd6LQAqYIhHnB48p0ByQ/GnQx2BE33L8BOHQkI=
-golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6/go.mod h1:U6Lno4MTRCDY+Ba7aCcauB9T60gsv5s4ralQzP72ZoQ=
+golang.org/x/exp v0.0.0-20250128182459-e0ece0dbea4c h1:KL/ZBHXgKGVmuZBZ01Lt57yE5ws8ZPSkkihmEyq7FXc=
+golang.org/x/exp v0.0.0-20250128182459-e0ece0dbea4c/go.mod h1:tujkw807nyEEAamNbDrEGzRav+ilXA7PCRAd6xsmwiU=
 golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 h1:1P7xPZEwZMoBoz0Yze5Nx2/4pxj6nw9ZqHWXqP0iRgQ=
 golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678/go.mod h1:AbB0pIl9nAr9wVwH+Z2ZpaocVmF5I4GyWCDIsVjR0bk=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
@@ -1384,6 +1391,7 @@ golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
 golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
@@ -1685,6 +1693,8 @@ lukechampine.com/blake3 v1.3.0/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4=

hack/check_gazelle.sh

@@ -1,45 +1,22 @@
 #!/bin/bash
 
-# Continuous Integration script to check that BUILD.bazel files and deps.bzl
-# are as expected when generated from gazelle.
-
-set -euo pipefail
-
-exit_code=0
+# Continuous Integration script to check that BUILD.bazel files are as expected
+# when generated from gazelle.
 
 # Duplicate redirect 5 to stdout so that it can be captured, but still printed
 # nicely.
 exec 5>&1
 
-echo "Checking deps.bzl is in sync with go.mod..."
-bazel --batch --bazelrc=.buildkite-bazelrc run //:gazelle -- update-repos -from_file=go.mod -to_macro=deps.bzl%prysm_deps -prune=true
+# Run gazelle while piping a copy of the output to stdout via 5.
+changes=$(bazel --batch --bazelrc=.buildkite-bazelrc run //:gazelle -- fix --mode=diff | tee >(cat - >&5))
 
-if git diff --exit-code deps.bzl; then
-  echo "OK: deps.bzl is in sync with go.mod"
+# If the captured stdout is not empty then Gazelle has diffs.
+if [ -z "$changes" ]
+then
+  echo "OK: Gazelle does not need to be run"
+  exit 0
 else
-  echo ""
-  echo "FAIL: deps.bzl is out of sync with go.mod"
-  exit_code=1
+  echo "FAIL: Gazelle needs to be run"
+  echo "Please run bazel run //:gazelle -- fix"
+  exit 1
 fi
-
-echo ""
-echo "Checking BUILD.bazel files..."
-build_changes=$(bazel --batch --bazelrc=.buildkite-bazelrc run //:gazelle -- fix --mode=diff | tee >(cat - >&5)) || true
-
-if [ -z "$build_changes" ]; then
-  echo "OK: BUILD.bazel files are in sync"
-else
-  echo "FAIL: BUILD.bazel files are out of sync"
-  exit_code=1
-fi
-
-echo ""
-if [ $exit_code -eq 0 ]; then
-  echo "All gazelle checks passed"
-else
-  echo "Gazelle checks failed. Please run:"
-  echo "  bazel run //:gazelle -- update-repos -from_file=go.mod -to_macro=deps.bzl%prysm_deps -prune=true"
-  echo "  bazel run //:gazelle -- fix"
-fi
-
-exit $exit_code

proto/prysm/v1alpha1/cloners.go

@@ -189,28 +189,3 @@ func copyBeaconBlockBodyGloas(body *BeaconBlockBodyGloas) *BeaconBlockBodyGloas
 
 	return copied
 }
-
-// CopyBuilderPendingPayment creates a deep copy of a builder pending payment.
-func CopyBuilderPendingPayment(original *BuilderPendingPayment) *BuilderPendingPayment {
-	if original == nil {
-		return nil
-	}
-
-	return &BuilderPendingPayment{
-		Weight:     original.Weight,
-		Withdrawal: CopyBuilderPendingWithdrawal(original.Withdrawal),
-	}
-}
-
-// CopyBuilderPendingWithdrawal creates a deep copy of a builder pending withdrawal.
-func CopyBuilderPendingWithdrawal(original *BuilderPendingWithdrawal) *BuilderPendingWithdrawal {
-	if original == nil {
-		return nil
-	}
-
-	return &BuilderPendingWithdrawal{
-		FeeRecipient: bytesutil.SafeCopyBytes(original.FeeRecipient),
-		Amount:       original.Amount,
-		BuilderIndex: original.BuilderIndex,
-	}
-}

proto/prysm/v1alpha1/cloners_test.go

@@ -1246,89 +1246,3 @@ func genPayloadAttestations(num int) []*v1alpha1.PayloadAttestation {
 	}
 	return pas
 }
-
-func TestCopyBuilderPendingWithdrawal(t *testing.T) {
-	t.Run("nil returns nil", func(t *testing.T) {
-		if got := v1alpha1.CopyBuilderPendingWithdrawal(nil); got != nil {
-			t.Fatalf("CopyBuilderPendingWithdrawal(nil) = %v, want nil", got)
-		}
-	})
-
-	t.Run("deep copy", func(t *testing.T) {
-		original := &v1alpha1.BuilderPendingWithdrawal{
-			FeeRecipient: []byte{0x01, 0x02},
-			Amount:       primitives.Gwei(10),
-			BuilderIndex: primitives.BuilderIndex(3),
-		}
-
-		copied := v1alpha1.CopyBuilderPendingWithdrawal(original)
-		if copied == original {
-			t.Fatalf("expected new pointer for withdrawal copy")
-		}
-		if !reflect.DeepEqual(copied, original) {
-			t.Fatalf("CopyBuilderPendingWithdrawal() = %v, want %v", copied, original)
-		}
-
-		original.FeeRecipient[0] = 0xFF
-		original.Amount = primitives.Gwei(20)
-		original.BuilderIndex = primitives.BuilderIndex(9)
-
-		if copied.FeeRecipient[0] == original.FeeRecipient[0] {
-			t.Fatalf("fee recipient was not deep copied")
-		}
-		if copied.Amount != primitives.Gwei(10) {
-			t.Fatalf("amount mutated on copy: %d", copied.Amount)
-		}
-		if copied.BuilderIndex != primitives.BuilderIndex(3) {
-			t.Fatalf("builder index mutated on copy: %d", copied.BuilderIndex)
-		}
-	})
-}
-
-func TestCopyBuilderPendingPayment(t *testing.T) {
-	t.Run("nil returns nil", func(t *testing.T) {
-		if got := v1alpha1.CopyBuilderPendingPayment(nil); got != nil {
-			t.Fatalf("CopyBuilderPendingPayment(nil) = %v, want nil", got)
-		}
-	})
-
-	t.Run("deep copy", func(t *testing.T) {
-		original := &v1alpha1.BuilderPendingPayment{
-			Weight: primitives.Gwei(5),
-			Withdrawal: &v1alpha1.BuilderPendingWithdrawal{
-				FeeRecipient: []byte{0x0A, 0x0B},
-				Amount:       primitives.Gwei(50),
-				BuilderIndex: primitives.BuilderIndex(7),
-			},
-		}
-
-		copied := v1alpha1.CopyBuilderPendingPayment(original)
-		if copied == original {
-			t.Fatalf("expected new pointer for payment copy")
-		}
-		if copied.Withdrawal == original.Withdrawal {
-			t.Fatalf("expected nested withdrawal to be deep copied")
-		}
-		if !reflect.DeepEqual(copied, original) {
-			t.Fatalf("CopyBuilderPendingPayment() = %v, want %v", copied, original)
-		}
-
-		original.Weight = primitives.Gwei(10)
-		original.Withdrawal.FeeRecipient[0] = 0xFF
-		original.Withdrawal.Amount = primitives.Gwei(75)
-		original.Withdrawal.BuilderIndex = primitives.BuilderIndex(9)
-
-		if copied.Weight != primitives.Gwei(5) {
-			t.Fatalf("weight mutated on copy: %d", copied.Weight)
-		}
-		if copied.Withdrawal.FeeRecipient[0] == original.Withdrawal.FeeRecipient[0] {
-			t.Fatalf("withdrawal fee recipient was not deep copied")
-		}
-		if copied.Withdrawal.Amount != primitives.Gwei(50) {
-			t.Fatalf("withdrawal amount mutated on copy: %d", copied.Withdrawal.Amount)
-		}
-		if copied.Withdrawal.BuilderIndex != primitives.BuilderIndex(7) {
-			t.Fatalf("withdrawal builder index mutated on copy: %d", copied.Withdrawal.BuilderIndex)
-		}
-	})
-}

runtime/interop/genesis.go

@@ -99,7 +99,7 @@ func GethCancunTime(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uin
 }
 
 // GethPragueTime calculates the absolute time of the prague (aka electra) fork block
-// by adding the relative time of the electra fork epoch to the given genesis timestamp.
+// by adding the relative time of the capella the fork epoch to the given genesis timestamp.
 func GethPragueTime(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uint64 {
 	var pragueTime *uint64
 	if cfg.ElectraForkEpoch != math.MaxUint64 {
@@ -128,45 +128,6 @@ func GethOsakaTime(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uint
 	return osakaTime
 }
 
-// GethBPO1Time calculates the absolute time of the BPO1 activation
-// by finding the first BlobSchedule entry with MaxBlobsPerBlock > 9 (Electra's limit)
-// which corresponds to the first BPO increase.
-func GethBPO1Time(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uint64 {
-	for _, entry := range cfg.BlobSchedule {
-		// BPO1 is the first entry that increases beyond Electra's 9 blobs
-		if entry.MaxBlobsPerBlock > uint64(cfg.DeprecatedMaxBlobsPerBlockElectra) {
-			startSlot, err := slots.EpochStart(entry.Epoch)
-			if err == nil {
-				startTime := slots.UnsafeStartTime(genesisTime, startSlot)
-				newTime := uint64(startTime.Unix())
-				return &newTime
-			}
-		}
-	}
-	return nil
-}
-
-// GethBPO2Time calculates the absolute time of the BPO2 activation
-// by finding the second BlobSchedule entry with MaxBlobsPerBlock > 9.
-func GethBPO2Time(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uint64 {
-	count := 0
-	for _, entry := range cfg.BlobSchedule {
-		// Count entries that are beyond Electra's limit
-		if entry.MaxBlobsPerBlock > uint64(cfg.DeprecatedMaxBlobsPerBlockElectra) {
-			count++
-			if count == 2 { // BPO2 is the second such entry
-				startSlot, err := slots.EpochStart(entry.Epoch)
-				if err == nil {
-					startTime := slots.UnsafeStartTime(genesisTime, startSlot)
-					newTime := uint64(startTime.Unix())
-					return &newTime
-				}
-			}
-		}
-	}
-	return nil
-}
-
 // GethTestnetGenesis creates a genesis.json for eth1 clients with a set of defaults suitable for ephemeral testnets,
 // like in an e2e test. The parameters are minimal but the full value is returned unmarshaled so that it can be
 // customized as desired.
@@ -188,8 +149,6 @@ func GethTestnetGenesis(genesis time.Time, cfg *clparams.BeaconChainConfig) *cor
 	if cfg.FuluForkEpoch == 0 {
 		osakaTime = &genesisTime
 	}
-	bpo1Time := GethBPO1Time(genesis, cfg)
-	bpo2Time := GethBPO2Time(genesis, cfg)
 	cc := &params.ChainConfig{
 		ChainID:                 big.NewInt(defaultTestChainId),
 		HomesteadBlock:          bigz,
@@ -212,16 +171,18 @@ func GethTestnetGenesis(genesis time.Time, cfg *clparams.BeaconChainConfig) *cor
 		CancunTime:              cancunTime,
 		PragueTime:              pragueTime,
 		OsakaTime:               osakaTime,
-		BPO1Time:                bpo1Time,
-		BPO2Time:                bpo2Time,
 		DepositContractAddress:  common.HexToAddress(cfg.DepositContractAddress),
 		BlobScheduleConfig: &params.BlobScheduleConfig{
-			Cancun: params.DefaultCancunBlobConfig,
-			Prague: params.DefaultPragueBlobConfig,
-			Osaka:  params.DefaultOsakaBlobConfig,
-			BPO1:   params.DefaultBPO1BlobConfig,
-			BPO2:   params.DefaultBPO2BlobConfig,
-			BPO3:   params.DefaultBPO3BlobConfig,
+			Cancun: &params.BlobConfig{
+				Target:         3,
+				Max:            6,
+				UpdateFraction: 3338477,
+			},
+			Prague: &params.BlobConfig{
+				Target:         6,
+				Max:            9,
+				UpdateFraction: 5007716,
+			},
 		},
 	}
 	da := defaultDepositContractAllocation(cfg.DepositContractAddress)

specrefs/.ethspecify.yml

@@ -1,4 +1,4 @@
-version: v1.7.0-alpha.1
+version: v1.7.0-alpha.0
 style: full
 
 specrefs:
@@ -117,8 +117,6 @@ exceptions:
   dataclasses:
     # Not implemented
     - BlobParameters#fulu
-    - ExpectedWithdrawals#capella
-    - ExpectedWithdrawals#electra
     - LatestMessage#phase0
     - LightClientStore#altair
     - OptimisticStore#bellatrix
@@ -128,7 +126,6 @@ exceptions:
     - LightClientStore#capella
 
     # Not implemented: gloas (future fork)
-    - ExpectedWithdrawals#gloas
     - LatestMessage#gloas
     - Store#gloas