Fix earliestAvailableSlot going backwards on custody increase

Add e2e test for earliestAvailableSlot regression
gaz
2026-01-10 13:58:09 -05:00 · 2025-12-16 11:09:57 -06:00 · 2025-12-16 11:09:44 -06:00 · 2025-12-15 13:03:25 -06:00 · 2025-12-15 10:57:28 -08:00 · 2025-12-15 12:56:28 -06:00
31 changed files with 1932 additions and 286 deletions
--- a/beacon-chain/blockchain/service.go
+++ b/beacon-chain/blockchain/service.go
@@ -521,6 +521,13 @@ func (s *Service) updateCustodyInfoInDB(slot primitives.Slot) (primitives.Slot,
 		return 0, 0, errors.Wrap(err, "update custody info")
 	}

+	log.WithFields(logrus.Fields{
+		"earliestAvailableSlot": earliestAvailableSlot,
+		"custodyGroupCount":     actualCustodyGroupCount,
+		"inputSlot":             slot,
+		"targetCustodyGroups":   targetCustodyGroupCount,
+	}).Info("Updated custody info in database")
+
 	if isSupernode {
 		log.WithFields(logrus.Fields{
 			"current": actualCustodyGroupCount,
--- a/beacon-chain/db/kv/custody.go
+++ b/beacon-chain/db/kv/custody.go
@@ -15,7 +15,8 @@ import (
 )

 // UpdateCustodyInfo atomically updates the custody group count only if it is greater than the stored one.
-// In this case, it also updates the earliest available slot with the provided value.
+// When the custody group count increases, the earliest available slot is set to the maximum of the
+// incoming value and the stored value, ensuring the slot never decreases when increasing custody.
 // It returns the (potentially updated) custody group count and earliest available slot.
 func (s *Store) UpdateCustodyInfo(ctx context.Context, earliestAvailableSlot primitives.Slot, custodyGroupCount uint64) (primitives.Slot, uint64, error) {
 	_, span := trace.StartSpan(ctx, "BeaconDB.UpdateCustodyInfo")
@@ -41,25 +42,39 @@ func (s *Store) UpdateCustodyInfo(ctx context.Context, earliestAvailableSlot pri
 			storedEarliestAvailableSlot = primitives.Slot(bytesutil.BytesToUint64BigEndian(storedEarliestAvailableSlotBytes))
 		}

+		log.WithFields(logrus.Fields{
+			"incomingSlot":           earliestAvailableSlot,
+			"incomingGroupCount":     custodyGroupCount,
+			"storedSlot":             storedEarliestAvailableSlot,
+			"storedGroupCount":       storedGroupCount,
+			"storedSlotBytesLen":     len(storedEarliestAvailableSlotBytes),
+			"storedGroupCountBytesLen": len(storedGroupCountBytes),
+		}).Debug("UpdateCustodyInfo: comparing incoming vs stored values")
+
 		// Exit early if the new custody group count is lower than or equal to the stored one.
 		if custodyGroupCount <= storedGroupCount {
+			log.Debug("UpdateCustodyInfo: exiting early, custody group count not increasing")
 			return nil
 		}

-		storedGroupCount, storedEarliestAvailableSlot = custodyGroupCount, earliestAvailableSlot
-
-		// Store the earliest available slot.
-		bytes := bytesutil.Uint64ToBytesBigEndian(uint64(earliestAvailableSlot))
-		if err := bucket.Put(earliestAvailableSlotKey, bytes); err != nil {
-			return errors.Wrap(err, "put earliest available slot")
-		}
-
-		// Store the custody group count.
-		bytes = bytesutil.Uint64ToBytesBigEndian(custodyGroupCount)
+		// Update the custody group count.
+		storedGroupCount = custodyGroupCount
+		bytes := bytesutil.Uint64ToBytesBigEndian(custodyGroupCount)
 		if err := bucket.Put(groupCountKey, bytes); err != nil {
 			return errors.Wrap(err, "put custody group count")
 		}

+		// Only update earliestAvailableSlot if the incoming value is higher.
+		// This prevents losing availability for data we already have when switching modes
+		// (e.g., from normal to semi-supernode or supernode).
+		if earliestAvailableSlot > storedEarliestAvailableSlot {
+			storedEarliestAvailableSlot = earliestAvailableSlot
+			bytes = bytesutil.Uint64ToBytesBigEndian(uint64(earliestAvailableSlot))
+			if err := bucket.Put(earliestAvailableSlotKey, bytes); err != nil {
+				return errors.Wrap(err, "put earliest available slot")
+			}
+		}
+
 		return nil
 	}); err != nil {
 		return 0, 0, err
--- a/beacon-chain/db/kv/custody_test.go
+++ b/beacon-chain/db/kv/custody_test.go
@@ -89,7 +89,7 @@ func TestUpdateCustodyInfo(t *testing.T) {
 		require.Equal(t, groupCount, storedCount)
 	})

-	t.Run("update with higher group count", func(t *testing.T) {
+	t.Run("update with higher group count and higher slot", func(t *testing.T) {
 		const (
 			initialSlot  = primitives.Slot(100)
 			initialCount = uint64(5)
@@ -112,6 +112,150 @@ func TestUpdateCustodyInfo(t *testing.T) {
 		require.Equal(t, groupCount, storedCount)
 	})

+	t.Run("update with higher group count and lower slot should preserve higher slot", func(t *testing.T) {
+		// This is the bug scenario: when switching from normal mode to semi-supernode,
+		// the incoming slot might be lower than the stored slot, but we should preserve
+		// the higher stored slot to avoid advertising that we can serve data we don't have.
+		const (
+			initialSlot  = primitives.Slot(1835523) // Higher stored slot
+			initialCount = uint64(10)
+			earliestSlot = primitives.Slot(1835456) // Lower incoming slot (e.g., from head slot)
+			groupCount   = uint64(64)               // Increasing custody (e.g., semi-supernode)
+		)
+
+		db := setupDB(t)
+
+		_, _, err := db.UpdateCustodyInfo(ctx, initialSlot, initialCount)
+		require.NoError(t, err)
+
+		// When custody count increases but slot is lower, the higher slot should be preserved
+		slot, count, err := db.UpdateCustodyInfo(ctx, earliestSlot, groupCount)
+		require.NoError(t, err)
+		require.Equal(t, initialSlot, slot, "earliestAvailableSlot should not decrease when custody group count increases")
+		require.Equal(t, groupCount, count)
+
+		// Verify in the database
+		storedSlot, storedCount := getCustodyInfoFromDB(t, db)
+		require.Equal(t, initialSlot, storedSlot, "stored slot should be the higher value")
+		require.Equal(t, groupCount, storedCount)
+	})
+
+	t.Run("pre-fulu scenario: checkpoint sync before fork, restart with semi-supernode", func(t *testing.T) {
+		// This test covers the pre-Fulu bug scenario:
+		// 1. Node starts with checkpoint sync BEFORE Fulu fork - uses EarliestSlot() (checkpoint block slot)
+		// 2. Validators connect after Fulu activates - maintainCustodyInfo() updates to head slot (higher)
+		// 3. Node restarts with --semi-supernode - updateCustodyInfoInDB uses EarliestSlot() again
+		// The bug was that step 3 would overwrite the higher slot from step 2.
+		params.SetupTestConfigCleanup(t)
+		cfg := params.BeaconConfig()
+		cfg.FuluForkEpoch = 100
+		params.OverrideBeaconConfig(cfg)
+
+		fuluForkSlot, err := slots.EpochStart(cfg.FuluForkEpoch)
+		require.NoError(t, err)
+
+		// Derive slot values relative to Fulu fork
+		checkpointBlockSlot := fuluForkSlot - 10       // Checkpoint sync happened before Fulu
+		headSlot := fuluForkSlot + 5                   // Head slot after Fulu activates
+		defaultCustody := cfg.CustodyRequirement      // Default custody from config
+		validatorCustody := cfg.CustodyRequirement + 6 // Custody after validators connect
+		semiSupernodeCustody := cfg.NumberOfCustodyGroups // Semi-supernode custodies all groups
+
+		// Verify our test setup: checkpoint is pre-Fulu, head is post-Fulu
+		require.Equal(t, true, checkpointBlockSlot < fuluForkSlot, "checkpoint must be before Fulu fork")
+		require.Equal(t, true, headSlot >= fuluForkSlot, "head must be at or after Fulu fork")
+
+		db := setupDB(t)
+
+		// Step 1: Node starts with checkpoint sync (pre-Fulu)
+		// updateCustodyInfoInDB sees saved.Slot() < fuluForkSlot, so uses EarliestSlot()
+		slot, count, err := db.UpdateCustodyInfo(ctx, checkpointBlockSlot, defaultCustody)
+		require.NoError(t, err)
+		require.Equal(t, checkpointBlockSlot, slot)
+		require.Equal(t, defaultCustody, count)
+
+		// Step 2: Validators connect after Fulu activates, maintainCustodyInfo() runs
+		// Uses headSlot which is higher than checkpointBlockSlot
+		slot, count, err = db.UpdateCustodyInfo(ctx, headSlot, validatorCustody)
+		require.NoError(t, err)
+		require.Equal(t, headSlot, slot, "should update to head slot")
+		require.Equal(t, validatorCustody, count)
+
+		// Verify step 2 stored correctly
+		storedSlot, storedCount := getCustodyInfoFromDB(t, db)
+		require.Equal(t, headSlot, storedSlot)
+		require.Equal(t, validatorCustody, storedCount)
+
+		// Step 3: Restart with --semi-supernode
+		// updateCustodyInfoInDB sees saved.Slot() < fuluForkSlot, so uses EarliestSlot() again
+		slot, count, err = db.UpdateCustodyInfo(ctx, checkpointBlockSlot, semiSupernodeCustody)
+		require.NoError(t, err)
+		require.Equal(t, headSlot, slot, "earliestAvailableSlot should NOT decrease back to checkpoint slot")
+		require.Equal(t, semiSupernodeCustody, count)
+
+		// Verify the database preserved the higher slot
+		storedSlot, storedCount = getCustodyInfoFromDB(t, db)
+		require.Equal(t, headSlot, storedSlot, "stored slot should remain at head slot, not checkpoint slot")
+		require.Equal(t, semiSupernodeCustody, storedCount)
+	})
+
+	t.Run("post-fulu scenario: finalized slot lower than stored head slot", func(t *testing.T) {
+		// This test covers the post-Fulu bug scenario:
+		// Post-fork, updateCustodyInfoInDB uses saved.Slot() (finalized slot) directly,
+		// not EarliestSlot(). But the same bug can occur because:
+		// - maintainCustodyInfo() stores headSlot (higher)
+		// - Restart uses finalized slot (lower than head)
+		// Our fix ensures earliestAvailableSlot never decreases.
+		params.SetupTestConfigCleanup(t)
+		cfg := params.BeaconConfig()
+		cfg.FuluForkEpoch = 100
+		params.OverrideBeaconConfig(cfg)
+
+		fuluForkSlot, err := slots.EpochStart(cfg.FuluForkEpoch)
+		require.NoError(t, err)
+
+		// Derive slot values relative to Fulu fork - all slots are AFTER Fulu
+		finalizedSlotAtStart := fuluForkSlot + 100       // Finalized slot at first start (post-Fulu)
+		headSlot := fuluForkSlot + 200                   // Head slot when validators connect
+		finalizedSlotRestart := fuluForkSlot + 150       // Finalized slot at restart (< headSlot)
+		defaultCustody := cfg.CustodyRequirement        // Default custody from config
+		validatorCustody := cfg.CustodyRequirement + 6   // Custody after validators connect
+		semiSupernodeCustody := cfg.NumberOfCustodyGroups // Semi-supernode custodies all groups
+
+		// Verify our test setup: all slots are post-Fulu
+		require.Equal(t, true, finalizedSlotAtStart >= fuluForkSlot, "finalized slot must be at or after Fulu fork")
+		require.Equal(t, true, headSlot >= fuluForkSlot, "head slot must be at or after Fulu fork")
+		require.Equal(t, true, finalizedSlotRestart >= fuluForkSlot, "restart finalized slot must be at or after Fulu fork")
+		require.Equal(t, true, finalizedSlotRestart < headSlot, "restart finalized slot must be less than head slot")
+
+		db := setupDB(t)
+
+		// Step 1: Node starts post-Fulu
+		// updateCustodyInfoInDB sees saved.Slot() >= fuluForkSlot, so uses saved.Slot() directly
+		slot, count, err := db.UpdateCustodyInfo(ctx, finalizedSlotAtStart, defaultCustody)
+		require.NoError(t, err)
+		require.Equal(t, finalizedSlotAtStart, slot)
+		require.Equal(t, defaultCustody, count)
+
+		// Step 2: Validators connect, maintainCustodyInfo() uses head slot
+		slot, count, err = db.UpdateCustodyInfo(ctx, headSlot, validatorCustody)
+		require.NoError(t, err)
+		require.Equal(t, headSlot, slot)
+		require.Equal(t, validatorCustody, count)
+
+		// Step 3: Restart with --semi-supernode
+		// updateCustodyInfoInDB uses finalized slot which is lower than stored head slot
+		slot, count, err = db.UpdateCustodyInfo(ctx, finalizedSlotRestart, semiSupernodeCustody)
+		require.NoError(t, err)
+		require.Equal(t, headSlot, slot, "earliestAvailableSlot should NOT decrease to finalized slot")
+		require.Equal(t, semiSupernodeCustody, count)
+
+		// Verify database preserved the higher slot
+		storedSlot, storedCount := getCustodyInfoFromDB(t, db)
+		require.Equal(t, headSlot, storedSlot)
+		require.Equal(t, semiSupernodeCustody, storedCount)
+	})
+
 	t.Run("update with lower group count should not update", func(t *testing.T) {
 		const (
 			initialSlot  = primitives.Slot(200)
--- a/beacon-chain/sync/custody.go
+++ b/beacon-chain/sync/custody.go
@@ -84,6 +84,13 @@ func (s *Service) updateCustodyInfoIfNeeded() error {
 		return errors.Wrap(err, "beacon db update custody info")
 	}

+	log.WithFields(logrus.Fields{
+		"earliestAvailableSlot": storedEarliestSlot,
+		"custodyGroupCount":     storedGroupCount,
+		"headSlot":              headSlot,
+		"targetCustodyGroups":   targetCustodyGroupCount,
+	}).Debug("Maintained custody info")
+
 	return nil
 }

--- a/changelog/james-prysm_fix-backward-earliest-slot.md
+++ b/changelog/james-prysm_fix-backward-earliest-slot.md
@@ -0,0 +1,3 @@
+### Fixed
+
+- Fixes earliest slot should never go backwards when setting semi-supernode or supernode flags
--- a/changelog/james-prysm_fulu-e2e.md
+++ b/changelog/james-prysm_fulu-e2e.md
@@ -0,0 +1,11 @@
+### 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
--- a/config/params/testdata/e2e_config.yaml
+++ b/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: 18446744073709551615
+FULU_FORK_EPOCH: 16


 # Time parameters
@@ -122,7 +122,7 @@ MIN_SYNC_COMMITTEE_PARTICIPANTS: 1
 # Other e2e overrides
 # ---------------------------------------------------------------
 CONFIG_NAME: "end-to-end"
-SLOTS_PER_EPOCH: 6
+SLOTS_PER_EPOCH: 8
 EPOCHS_PER_ETH1_VOTING_PERIOD: 2
 MAX_SEED_LOOKAHEAD: 1

--- a/config/params/testnet_e2e_config.go
+++ b/config/params/testnet_e2e_config.go
@@ -1,14 +1,12 @@
 package params

-import "math"
-
 const (
 	AltairE2EForkEpoch    = 6
 	BellatrixE2EForkEpoch = 8
 	CapellaE2EForkEpoch   = 10
 	DenebE2EForkEpoch     = 12
 	ElectraE2EForkEpoch   = 14
-	FuluE2EForkEpoch      = math.MaxUint64
+	FuluE2EForkEpoch      = 16
 )

 // E2ETestConfig retrieves the configurations made specifically for E2E testing.
@@ -28,7 +26,7 @@ func E2ETestConfig() *BeaconChainConfig {
 	// Time parameters.
 	e2eConfig.SecondsPerSlot = 10
 	e2eConfig.SlotDurationMilliseconds = 10000
-	e2eConfig.SlotsPerEpoch = 6
+	e2eConfig.SlotsPerEpoch = 8
 	e2eConfig.SqrRootSlotsPerEpoch = 2
 	e2eConfig.SecondsPerETH1Block = 2
 	e2eConfig.EpochsPerEth1VotingPeriod = 2
--- a/deps.bzl
+++ b/deps.bzl
@@ -301,8 +301,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_bits_and_blooms_bitset",
        importpath = "github.com/bits-and-blooms/bitset",
-        sum = "h1:1X2TS7aHz1ELcC0yU1y2stUs/0ig5oMU6STFZGrhvHI=",
-        version = "v1.17.0",
+        sum = "h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=",
+        version = "v1.22.0",
    )
    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:CUh2IPtR4swHlEj48Rhfzw6l/d0qA31fItcIszQVIsA=",
-        version = "v1.1.2",
+        sum = "h1:5AAWCBWbat0uE0blr8qzufZP5tBjkRyy/jWe1QWLnvw=",
+        version = "v1.1.5",
    )
    go_repository(
        name = "com_github_cockroachdb_redact",
@@ -512,14 +512,16 @@ def prysm_deps():
    go_repository(
        name = "com_github_consensys_bavard",
        importpath = "github.com/consensys/bavard",
-        sum = "h1:Uw2CGvbXSZWhqK59X0VG/zOjpTFuOMcPLStrp1ihI0A=",
-        version = "v0.1.22",
+        sum = "h1:dTlIwEdFQmldzFf5F6bbTcYWhvnAgZai2g8eq3Wwxqg=",
+        version = "v0.1.31-0.20250406004941-2db259e4b582",
    )
    go_repository(
        name = "com_github_consensys_gnark_crypto",
        importpath = "github.com/consensys/gnark-crypto",
-        sum = "h1:DDBdl4HaBtdQsq/wfMwJvZNE80sHidrK3Nfrefatm0E=",
-        version = "v0.14.0",
+        patch_args = ["-p1"],
+        patches = ["//third_party:com_github_consensys_gnark_crypto.patch"],
+        sum = "h1:vIye/FqI50VeAr0B3dx+YjeIvmc3LWz4yEfbWBpTUf0=",
+        version = "v0.18.0",
    )
    go_repository(
        name = "com_github_containerd_cgroups",
@@ -555,8 +557,14 @@ def prysm_deps():
    go_repository(
        name = "com_github_cpuguy83_go_md2man_v2",
        importpath = "github.com/cpuguy83/go-md2man/v2",
-        sum = "h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc=",
-        version = "v2.0.5",
+        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",
    )
    go_repository(
        name = "com_github_crate_crypto_go_ipa",
@@ -591,8 +599,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_datadog_zstd",
        importpath = "github.com/DataDog/zstd",
-        sum = "h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=",
-        version = "v1.5.5",
+        sum = "h1:ybO8RBeh29qrxIhCA9E8gKY6xfONU9T6G6aP9DTKfLE=",
+        version = "v1.5.7",
    )
    go_repository(
        name = "com_github_davecgh_go_spew",
@@ -606,23 +614,29 @@ 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:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM=",
-        version = "v2.6.0",
+        sum = "h1:swm0rlPCmdWn9mESxKOjWk8hXSqoxOp+ZlfuyaAdFlQ=",
+        version = "v2.8.0",
    )
    go_repository(
        name = "com_github_decred_dcrd_crypto_blake256",
        importpath = "github.com/decred/dcrd/crypto/blake256",
-        sum = "h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=",
-        version = "v1.0.1",
+        sum = "h1:zPMNGQCm0g4QTY27fOCorQW7EryeQ/U0x++OzVrdms8=",
+        version = "v1.1.0",
    )
    go_repository(
        name = "com_github_decred_dcrd_dcrec_secp256k1_v4",
        importpath = "github.com/decred/dcrd/dcrec/secp256k1/v4",
-        sum = "h1:rpfIENRNNilwHwZeG5+P150SMrnNEcHYvcCuK6dPZSg=",
-        version = "v4.3.0",
+        sum = "h1:NMZiJj8QnKe1LgsbDayM4UoHwbvwDRwnI3hwNaAHRnc=",
+        version = "v4.4.0",
    )
    go_repository(
        name = "com_github_deepmap_oapi_codegen",
@@ -735,8 +749,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_emicklei_dot",
        importpath = "github.com/emicklei/dot",
-        sum = "h1:Ase39UD9T9fRBOb5ptgpixrxfx8abVzNWZi2+lr53PI=",
-        version = "v0.11.0",
+        sum = "h1:08GN+DD79cy/tzN6uLCT84+2Wk9u+wvqP+Hkx/dIR8A=",
+        version = "v1.6.2",
    )
    go_repository(
        name = "com_github_emicklei_go_restful_v3",
@@ -779,6 +793,12 @@ def prysm_deps():
        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 = [
@@ -790,8 +810,8 @@ def prysm_deps():
        patches = [
            "//third_party:com_github_ethereum_go_ethereum_secp256k1.patch",
        ],
-        sum = "h1:bRra1zi+/q+qyXZ6fylZOrlaF8kDdnlTtzNTmNHfX+g=",
-        version = "v1.15.9",
+        sum = "h1:qeM4TvbrWK0UC0tgkZ7NiRsmBGwsjqc64BHo20U59UQ=",
+        version = "v1.16.7",
    )
    go_repository(
        name = "com_github_ethereum_go_verkle",
@@ -832,8 +852,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_ferranbt_fastssz",
        importpath = "github.com/ferranbt/fastssz",
-        sum = "h1:ZI+z3JH05h4kgmFXdHuR1aWYsgrg7o+Fw7/NCzM16Mo=",
-        version = "v0.1.3",
+        sum = "h1:OCDB+dYDEQDvAgtAGnTSidK1Pe2tW3nFV40XyMkTeDY=",
+        version = "v0.1.4",
    )
    go_repository(
        name = "com_github_fjl_gencodec",
@@ -919,12 +939,6 @@ 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",
@@ -1132,8 +1146,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_gofrs_flock",
        importpath = "github.com/gofrs/flock",
-        sum = "h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=",
-        version = "v0.8.1",
+        sum = "h1:MTLVXXHf8ekldpJk3AKicLij9MdwOWkZ+a/jHHZby9E=",
+        version = "v0.12.1",
    )
    go_repository(
        name = "com_github_gogo_googleapis",
@@ -1200,8 +1214,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_golang_snappy",
        importpath = "github.com/golang/snappy",
-        sum = "h1:4bw4WeyTYPp0smaXiJZCNnLrvVBqirQVreixayXezGc=",
-        version = "v0.0.5-0.20231225225746-43d5d4cd4e0e",
+        sum = "h1:Oy607GVXHs7RtbggtPBnr2RmDArIsAefDwvrdWvRhGs=",
+        version = "v1.0.0",
    )
    go_repository(
        name = "com_github_golangci_lint_1",
@@ -1275,12 +1289,6 @@ 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",
@@ -1542,8 +1550,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_holiman_billy",
        importpath = "github.com/holiman/billy",
-        sum = "h1:X4egAf/gcS1zATw6wn4Ej8vjuVGxeHdan+bRb2ebyv4=",
-        version = "v0.0.0-20240216141850-2abb0c79d3c4",
+        sum = "h1:IZUYC/xb3giYwBLMnr8d0TGTzPKFGNTCGgGLoyeX330=",
+        version = "v0.0.0-20250707135307-f2f9b9aae7db",
    )
    go_repository(
        name = "com_github_holiman_bloomfilter_v2",
@@ -1554,8 +1562,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_holiman_goevmlab",
        importpath = "github.com/holiman/goevmlab",
-        sum = "h1:JHZ8k9n9G9KXIo1qrvK5Cxah6ax5BR0qVTA9bFYl1oM=",
-        version = "v0.0.0-20241121133100-cfa6b078c8c4",
+        sum = "h1:krEMViaomzuBfH/L1V4b8w2lVfsEpUbxH1ZJQpUaT6E=",
+        version = "v0.0.0-20250515153315-ab84907ebdb2",
    )
    go_repository(
        name = "com_github_holiman_uint256",
@@ -1850,8 +1858,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_klauspost_compress",
        importpath = "github.com/klauspost/compress",
-        sum = "h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=",
-        version = "v1.17.11",
+        sum = "h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=",
+        version = "v1.18.0",
    )
    go_repository(
        name = "com_github_klauspost_cpuid",
@@ -2104,18 +2112,6 @@ 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",
@@ -2143,8 +2139,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_mattn_go_runewidth",
        importpath = "github.com/mattn/go-runewidth",
-        sum = "h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=",
-        version = "v0.0.15",
+        sum = "h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=",
+        version = "v0.0.16",
    )
    go_repository(
        name = "com_github_matttproud_golang_protobuf_extensions",
@@ -2257,8 +2253,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_mitchellh_mapstructure",
        importpath = "github.com/mitchellh/mapstructure",
-        sum = "h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=",
-        version = "v1.4.1",
+        sum = "h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=",
+        version = "v1.5.0",
    )
    go_repository(
        name = "com_github_mitchellh_pointerstructure",
@@ -2272,12 +2268,6 @@ 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",
@@ -2821,6 +2811,12 @@ 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",
@@ -3267,8 +3263,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_spf13_pflag",
        importpath = "github.com/spf13/pflag",
-        sum = "h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=",
-        version = "v1.0.5",
+        sum = "h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=",
+        version = "v1.0.6",
    )
    go_repository(
        name = "com_github_spf13_viper",
@@ -3384,14 +3380,14 @@ def prysm_deps():
    go_repository(
        name = "com_github_tklauser_go_sysconf",
        importpath = "github.com/tklauser/go-sysconf",
-        sum = "h1:GBUpcahXSpR2xN01jhkNAbTLRk2Yzgggk8IM08lq3r4=",
-        version = "v0.3.13",
+        sum = "h1:VE89k0criAymJ/Os65CSn1IXaol+1wrsFHEB8Ol49K4=",
+        version = "v0.3.15",
    )
    go_repository(
        name = "com_github_tklauser_numcpus",
        importpath = "github.com/tklauser/numcpus",
-        sum = "h1:yjuerZP127QG9m5Zh/mSO4wqurYil27tHrqwRoRjpr4=",
-        version = "v0.7.0",
+        sum = "h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfjso=",
+        version = "v0.10.0",
    )
    go_repository(
        name = "com_github_tmc_grpc_websocket_proxy",
@@ -3411,12 +3407,6 @@ 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",
@@ -3426,8 +3416,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_urfave_cli_v2",
        importpath = "github.com/urfave/cli/v2",
-        sum = "h1:WoHEJLdsXr6dDWoJgMq/CboDmyY/8HMMH1fTECbih+w=",
-        version = "v2.27.5",
+        sum = "h1:VdRdS98FNhKZ8/Az8B7MTyGQmpIr36O1EHybx/LaZ4g=",
+        version = "v2.27.6",
    )
    go_repository(
        name = "com_github_urfave_negroni",
@@ -3474,8 +3464,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_victoriametrics_fastcache",
        importpath = "github.com/VictoriaMetrics/fastcache",
-        sum = "h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=",
-        version = "v1.12.2",
+        sum = "h1:AW4mheMR5Vd9FkAPUv+NH6Nhw+fmbTMGMsNAoA/+4G0=",
+        version = "v1.13.0",
    )
    go_repository(
        name = "com_github_vividcortex_gohistogram",
@@ -3597,8 +3587,8 @@ def prysm_deps():
    go_repository(
        name = "com_github_yusufpapurcu_wmi",
        importpath = "github.com/yusufpapurcu/wmi",
-        sum = "h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw=",
-        version = "v1.2.3",
+        sum = "h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=",
+        version = "v1.2.4",
    )
    go_repository(
        name = "com_google_cloud_go",
@@ -4784,8 +4774,8 @@ def prysm_deps():
    go_repository(
        name = "org_golang_x_exp",
        importpath = "golang.org/x/exp",
-        sum = "h1:KL/ZBHXgKGVmuZBZ01Lt57yE5ws8ZPSkkihmEyq7FXc=",
-        version = "v0.0.0-20250128182459-e0ece0dbea4c",
+        sum = "h1:y5zboxd6LQAqYIhHnB48p0ByQ/GnQx2BE33L8BOHQkI=",
+        version = "v0.0.0-20250506013437-ce4c2cf36ca6",
    )
    go_repository(
        name = "org_golang_x_exp_typeparams",
--- a/go.mod
+++ b/go.mod
@@ -3,20 +3,18 @@ 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/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 v0.14.0
+	github.com/consensys/gnark-crypto v0.18.0
 	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 v0.11.0
+	github.com/emicklei/dot v1.6.2
 	github.com/ethereum/c-kzg-4844/v2 v2.1.5
-	github.com/ethereum/go-ethereum v1.15.9
+	github.com/ethereum/go-ethereum v1.16.7
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-yaml/yaml v2.1.0+incompatible
@@ -24,7 +22,7 @@ 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 v0.0.5-0.20231225225746-43d5d4cd4e0e
+	github.com/golang/snappy v1.0.0
 	github.com/google/go-cmp v0.7.0
 	github.com/google/gofuzz v1.2.0
 	github.com/google/uuid v1.6.0
@@ -74,7 +72,7 @@ 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 v2.27.5
+	github.com/urfave/cli/v2 v2.27.6
 	github.com/uudashr/gocognit v1.0.5
 	github.com/wealdtech/go-bytesutil v1.1.1
 	github.com/wealdtech/go-eth2-util v1.6.3
@@ -89,7 +87,7 @@ 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 v0.0.0-20250128182459-e0ece0dbea4c
+	golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6
 	golang.org/x/sync v0.18.0
 	golang.org/x/tools v0.39.0
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1
@@ -105,12 +103,13 @@ require (

 require (
 	github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
-	github.com/DataDog/zstd v1.5.5 // indirect
+	github.com/DataDog/zstd v1.5.7 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/VictoriaMetrics/fastcache v1.12.2 // 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/benbjohnson/clock v1.3.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/bits-and-blooms/bitset v1.17.0 // indirect
+	github.com/bits-and-blooms/bitset v1.22.0 // 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
@@ -118,27 +117,28 @@ 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 v1.1.2 // indirect
+	github.com/cockroachdb/pebble v1.1.5 // 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 v2.0.5 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
+	github.com/crate-crypto/go-eth-kzg v1.4.0 // 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/deckarep/golang-set/v2 v2.6.0 // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 // 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/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/c-kzg-4844 v1.0.0 // indirect
+	github.com/ethereum/go-bigmodexpfix v0.0.0-20250911101455-f9e208c548ab // indirect
 	github.com/ethereum/go-verkle v0.2.2 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/ferranbt/fastssz v0.1.3 // indirect
+	github.com/ferranbt/fastssz v0.1.4 // 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
@@ -148,7 +148,7 @@ 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 v0.8.1 // indirect
+	github.com/gofrs/flock v0.12.1 // 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
@@ -156,9 +156,8 @@ 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 v0.0.0-20240216141850-2abb0c79d3c4 // indirect
+	github.com/holiman/billy v0.0.0-20250707135307-f2f9b9aae7db // 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
@@ -167,7 +166,7 @@ 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 v1.17.11 // indirect
+	github.com/klauspost/compress v1.18.0 // 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
@@ -184,15 +183,14 @@ 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 v0.0.15 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // 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 v1.4.1 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // 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 +246,12 @@ 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 v0.3.13 // indirect
-	github.com/tklauser/numcpus v0.7.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.10.0 // 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 v1.2.3 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // 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
@@ -275,7 +273,6 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // 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
--- a/go.sum
+++ b/go.sum
@@ -48,22 +48,20 @@ 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 v1.5.5 h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=
-github.com/DataDog/zstd v1.5.5/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/DataDog/zstd v1.5.7 h1:ybO8RBeh29qrxIhCA9E8gKY6xfONU9T6G6aP9DTKfLE=
+github.com/DataDog/zstd v1.5.7/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/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 v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
-github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
+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/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=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -71,9 +69,8 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah4HI848JfFxHt+iPb26b4zyfspmqY0/8=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
-github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKSc=
-github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -100,8 +97,8 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bits-and-blooms/bitset v1.17.0 h1:1X2TS7aHz1ELcC0yU1y2stUs/0ig5oMU6STFZGrhvHI=
-github.com/bits-and-blooms/bitset v1.17.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/bits-and-blooms/bitset v1.22.0 h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=
+github.com/bits-and-blooms/bitset v1.22.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/bradfitz/gomemcache v0.0.0-20170208213004-1952afaa557d/go.mod h1:PmM6Mmwb0LSuEubjR8N7PtNe1KxZLtOUHtbeikc5h60=
 github.com/btcsuite/btcd/btcec/v2 v2.3.4 h1:3EJjcN70HCu/mwqlUsGK8GcNVyLVxFDlWurTXGPFfiQ=
@@ -115,7 +112,6 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/cespare/cp v1.1.1 h1:nCb6ZLdB7NRaqsm91JtQTAme2SKJzXVsdPIPkyJr1MU=
 github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
@@ -145,17 +141,15 @@ github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce h1:giXvy4KSc/6g/e
 github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce/go.mod h1:9/y3cnZ5GKakj/H4y9r9GTjCvAFta7KLgSHPJJYc52M=
 github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b h1:r6VH0faHjZeQy818SGhaone5OnYfxFR/+AzdY3sf5aE=
 github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b/go.mod h1:Vz9DsVWQQhf3vs21MhPMZpMGSht7O/2vFW2xusFUVOs=
-github.com/cockroachdb/pebble v1.1.2 h1:CUh2IPtR4swHlEj48Rhfzw6l/d0qA31fItcIszQVIsA=
-github.com/cockroachdb/pebble v1.1.2/go.mod h1:4exszw1r40423ZsmkG/09AFEG83I0uDgfujJdbL6kYU=
+github.com/cockroachdb/pebble v1.1.5 h1:5AAWCBWbat0uE0blr8qzufZP5tBjkRyy/jWe1QWLnvw=
+github.com/cockroachdb/pebble v1.1.5/go.mod h1:17wO9el1YEigxkP/YtV8NtCivQDgoCyBg5c4VR/eOWo=
 github.com/cockroachdb/redact v1.1.5 h1:u1PMllDkdFfPWaNGMyLD1+so+aq3uUItthCFqzwPJ30=
 github.com/cockroachdb/redact v1.1.5/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 h1:zuQyyAKVxetITBuuhv3BI9cMrmStnpT18zmgmTxunpo=
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06/go.mod h1:7nc4anLGjupUW/PeY5qiNYsdNXj7zopG+eqsS7To5IQ=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
-github.com/consensys/bavard v0.1.22 h1:Uw2CGvbXSZWhqK59X0VG/zOjpTFuOMcPLStrp1ihI0A=
-github.com/consensys/bavard v0.1.22/go.mod h1:k/zVjHHC4B+PQy1Pg7fgvG3ALicQw540Crag8qx+dZs=
-github.com/consensys/gnark-crypto v0.14.0 h1:DDBdl4HaBtdQsq/wfMwJvZNE80sHidrK3Nfrefatm0E=
-github.com/consensys/gnark-crypto v0.14.0/go.mod h1:CU4UijNPsHawiVGNxe9co07FkzCeWHHrb1li/n1XoU0=
+github.com/consensys/gnark-crypto v0.18.0 h1:vIye/FqI50VeAr0B3dx+YjeIvmc3LWz4yEfbWBpTUf0=
+github.com/consensys/gnark-crypto v0.18.0/go.mod h1:L3mXGFTe1ZN+RSJ+CLjUt9x7PNdx8ubaYfDROyp2Z8c=
 github.com/containerd/cgroups v0.0.0-20201119153540-4cbc285b3327/go.mod h1:ZJeTFisyysqgcCdecO57Dj79RfL0LNeGiFUqLYQRYLE=
 github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
 github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw=
@@ -170,8 +164,10 @@ github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSV
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.5 h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc=
-github.com/cpuguy83/go-md2man/v2 v2.0.5/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.7 h1:zbFlGlXEAKlwXpmvle3d8Oe3YnkKIK4xSRTd3sHPnBo=
+github.com/cpuguy83/go-md2man/v2 v2.0.7/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/crate-crypto/go-eth-kzg v1.4.0 h1:WzDGjHk4gFg6YzV0rJOAsTK4z3Qkz5jd4RE3DAvPFkg=
+github.com/crate-crypto/go-eth-kzg v1.4.0/go.mod h1:J9/u5sWfznSObptgfa92Jq8rTswn6ahQWEuiLHOjCUI=
 github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a h1:W8mUrRp6NOVl3J+MYp5kPMoUZPp7aOYHtaua31lwRHg=
 github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a/go.mod h1:sTwzHBvIzm2RfVCGNEBZgRyjwK40bVoun3ZnGOCafNM=
 github.com/crate-crypto/go-kzg-4844 v1.1.0 h1:EN/u9k2TF6OWSHrCCDBBU6GLNMq88OspHHlMnHfoyU4=
@@ -186,12 +182,14 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c h1:pFUpOrbxDR6AkioZ1ySsx5yxlDQZ8stG2b88gTPxgJU=
 github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c/go.mod h1:6UhI8N9EjYm1c2odKpFpAYeR8dsBeM7PtzQhRgxRr9U=
-github.com/deckarep/golang-set/v2 v2.6.0 h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM=
-github.com/deckarep/golang-set/v2 v2.6.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
-github.com/decred/dcrd/crypto/blake256 v1.0.1 h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=
-github.com/decred/dcrd/crypto/blake256 v1.0.1/go.mod h1:2OfgNZ5wDpcsFmHmCK5gZTPcCXqlm2ArzUIkw9czNJo=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 h1:rpfIENRNNilwHwZeG5+P150SMrnNEcHYvcCuK6dPZSg=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
+github.com/dchest/siphash v1.2.3 h1:QXwFc8cFOR2dSa/gE6o/HokBMWtLUaNDVd+22aKHeEA=
+github.com/dchest/siphash v1.2.3/go.mod h1:0NvQU092bT0ipiFN++/rXm69QG9tVxLAlQHIXMPAkHc=
+github.com/deckarep/golang-set/v2 v2.8.0 h1:swm0rlPCmdWn9mESxKOjWk8hXSqoxOp+ZlfuyaAdFlQ=
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@@ -223,8 +221,8 @@ github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaB
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@@ -234,12 +232,12 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
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@@ -248,8 +246,8 @@ github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4Nij
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@@ -325,8 +323,8 @@ github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
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@@ -373,8 +371,8 @@ github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8l
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@@ -418,7 +416,6 @@ github.com/google/pprof v0.0.0-20230207041349-798e818bf904/go.mod h1:uglQLonpP8q
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@@ -486,12 +483,10 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
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@@ -549,8 +544,8 @@ github.com/kisielk/errcheck v1.8.0/go.mod h1:1kLL+jV4e+CFfueBmI1dSK2ADDyQnlrnrY/
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@@ -646,8 +641,8 @@ github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
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@@ -681,13 +676,11 @@ github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:F
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 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -995,8 +988,8 @@ github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3
 github.com/spf13/jwalterweatherman v0.0.0-20170901151539-12bd96e66386/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v1.0.1-0.20170901120850-7aff26db30c1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
+github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.0.0/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
 github.com/status-im/keycard-go v0.2.0 h1:QDLFswOQu1r5jsycloeQh3bVU8n/NatHHaZobtDnDzA=
 github.com/status-im/keycard-go v0.2.0/go.mod h1:wlp8ZLbsmrF6g6WjugPAx+IzoLrkdf9+mHxBEeo3Hbg=
@@ -1033,20 +1026,18 @@ github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3/go.mod h1:
 github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e h1:cR8/SYRgyQCt5cNCMniB/ZScMkhI9nk8U5C7SbISXjo=
 github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e/go.mod h1:Tu4lItkATkonrYuvtVjG0/rhy15qrNGNTjPdaphtZ/8=
 github.com/tjfoc/gmsm v1.3.0/go.mod h1:HaUcFuY0auTiaHB9MHFGCPx5IaLhTUd2atbCFBQXn9w=
-github.com/tklauser/go-sysconf v0.3.13 h1:GBUpcahXSpR2xN01jhkNAbTLRk2Yzgggk8IM08lq3r4=
-github.com/tklauser/go-sysconf v0.3.13/go.mod h1:zwleP4Q4OehZHGn4CYZDipCgg9usW5IJePewFCGVEa0=
-github.com/tklauser/numcpus v0.7.0 h1:yjuerZP127QG9m5Zh/mSO4wqurYil27tHrqwRoRjpr4=
-github.com/tklauser/numcpus v0.7.0/go.mod h1:bb6dMVcj8A42tSE7i32fsIUCbQNllK5iDguyOZRUzAY=
+github.com/tklauser/go-sysconf v0.3.15 h1:VE89k0criAymJ/Os65CSn1IXaol+1wrsFHEB8Ol49K4=
+github.com/tklauser/go-sysconf v0.3.15/go.mod h1:Dmjwr6tYFIseJw7a3dRLJfsHAMXZ3nEnL/aZY+0IuI4=
+github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfjso=
+github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/trailofbits/go-mutexasserts v0.0.0-20250212181730-4c2b8e9e784b h1:EBoYk5zHOfuHDBqLFx4eSPRVcbnW+L3aFJzoCi8zRnk=
 github.com/trailofbits/go-mutexasserts v0.0.0-20250212181730-4c2b8e9e784b/go.mod h1:4R6Qam+w871wOlyRq59zRLjhb5x9/De/wgPeaCTaCwI=
-github.com/umbracle/gohashtree v0.0.2-alpha.0.20230207094856-5b775a815c10 h1:CQh33pStIp/E30b7TxDlXfM0145bn2e8boI30IxAhTg=
-github.com/umbracle/gohashtree v0.0.2-alpha.0.20230207094856-5b775a815c10/go.mod h1:x/Pa0FF5Te9kdrlZKJK82YmAkvL8+f989USgz6Jiw7M=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
-github.com/urfave/cli/v2 v2.27.5 h1:WoHEJLdsXr6dDWoJgMq/CboDmyY/8HMMH1fTECbih+w=
-github.com/urfave/cli/v2 v2.27.5/go.mod h1:3Sevf16NykTbInEnD0yKkjDAeZDS0A6bzhBH5hrMvTQ=
+github.com/urfave/cli/v2 v2.27.6 h1:VdRdS98FNhKZ8/Az8B7MTyGQmpIr36O1EHybx/LaZ4g=
+github.com/urfave/cli/v2 v2.27.6/go.mod h1:3Sevf16NykTbInEnD0yKkjDAeZDS0A6bzhBH5hrMvTQ=
 github.com/uudashr/gocognit v1.0.5 h1:rrSex7oHr3/pPLQ0xoWq108XMU8s678FJcQ+aSfOHa4=
 github.com/uudashr/gocognit v1.0.5/go.mod h1:wgYz0mitoKOTysqxTDMOUXg+Jb5SvtihkfmugIZYpEA=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
@@ -1081,8 +1072,8 @@ github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-github.com/yusufpapurcu/wmi v1.2.3 h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw=
-github.com/yusufpapurcu/wmi v1.2.3/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
+github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
+github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
@@ -1184,8 +1175,8 @@ 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 v0.0.0-20250128182459-e0ece0dbea4c h1:KL/ZBHXgKGVmuZBZ01Lt57yE5ws8ZPSkkihmEyq7FXc=
-golang.org/x/exp v0.0.0-20250128182459-e0ece0dbea4c/go.mod h1:tujkw807nyEEAamNbDrEGzRav+ilXA7PCRAd6xsmwiU=
+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/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=
@@ -1391,7 +1382,6 @@ 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=
@@ -1693,8 +1683,6 @@ 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=
--- a/runtime/interop/genesis.go
+++ b/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 capella the fork epoch to the given genesis timestamp.
+// by adding the relative time of the electra fork epoch to the given genesis timestamp.
 func GethPragueTime(genesisTime time.Time, cfg *clparams.BeaconChainConfig) *uint64 {
 	var pragueTime *uint64
 	if cfg.ElectraForkEpoch != math.MaxUint64 {
@@ -173,15 +173,23 @@ func GethTestnetGenesis(genesis time.Time, cfg *clparams.BeaconChainConfig) *cor
 		OsakaTime:               osakaTime,
 		DepositContractAddress:  common.HexToAddress(cfg.DepositContractAddress),
 		BlobScheduleConfig: &params.BlobScheduleConfig{
-			Cancun: &params.BlobConfig{
-				Target:         3,
-				Max:            6,
-				UpdateFraction: 3338477,
+			Cancun: params.DefaultCancunBlobConfig,
+			Prague: params.DefaultPragueBlobConfig,
+			Osaka:  params.DefaultOsakaBlobConfig,
+			BPO1: &params.BlobConfig{
+				Target:         9,
+				Max:            14,
+				UpdateFraction: 8832827,
 			},
-			Prague: &params.BlobConfig{
-				Target:         6,
-				Max:            9,
-				UpdateFraction: 5007716,
+			BPO2: &params.BlobConfig{
+				Target:         14,
+				Max:            21,
+				UpdateFraction: 13739630,
+			},
+			BPO3: &params.BlobConfig{
+				Target:         21,
+				Max:            32,
+				UpdateFraction: 20609697,
 			},
 		},
 	}
--- a/testing/endtoend/BUILD.bazel
+++ b/testing/endtoend/BUILD.bazel
@@ -88,7 +88,7 @@ common_deps = [
 # gazelle:ignore
 go_test(
    name = "go_default_test",
-    size = "large",
+    size = "enormous",
    testonly = True,
    srcs = [
        "component_handler_test.go",
@@ -241,6 +241,7 @@ go_test(
    ],
    eth_network = "minimal",
    flaky = True,
+    local = True,  # Disable sandboxing so DB modifications persist across process restarts
    shard_count = 2,
    tags = [
        "exclusive",
--- a/testing/endtoend/components/BUILD.bazel
+++ b/testing/endtoend/components/BUILD.bazel
@@ -29,7 +29,9 @@ go_library(
        "//config/features:go_default_library",
        "//config/fieldparams:go_default_library",
        "//config/params:go_default_library",
+        "//consensus-types/primitives:go_default_library",
        "//crypto/bls:go_default_library",
+        "//encoding/bytesutil:go_default_library",
        "//io/file:go_default_library",
        "//proto/prysm/v1alpha1/validator-client:go_default_library",
        "//runtime/interop:go_default_library",
@@ -46,6 +48,7 @@ go_library(
        "@com_github_wealdtech_go_eth2_wallet_encryptor_keystorev4//:go_default_library",
        "@in_gopkg_yaml_v2//:go_default_library",
        "@io_bazel_rules_go//go/tools/bazel:go_default_library",
+        "@io_etcd_go_bbolt//:go_default_library",
        "@org_golang_x_sync//errgroup:go_default_library",
    ],
 )
--- a/testing/endtoend/components/beacon_node.go
+++ b/testing/endtoend/components/beacon_node.go
@@ -8,9 +8,12 @@ import (
 	"os"
 	"os/exec"
 	"path"
+	"slices"
 	"strconv"
 	"strings"
+	"sync/atomic"
 	"syscall"
+	"time"

 	"github.com/OffchainLabs/prysm/v7/beacon-chain/state"
 	cmdshared "github.com/OffchainLabs/prysm/v7/cmd"
@@ -18,6 +21,8 @@ import (
 	"github.com/OffchainLabs/prysm/v7/cmd/beacon-chain/genesis"
 	"github.com/OffchainLabs/prysm/v7/config/features"
 	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
 	"github.com/OffchainLabs/prysm/v7/io/file"
 	"github.com/OffchainLabs/prysm/v7/runtime/interop"
 	"github.com/OffchainLabs/prysm/v7/testing/endtoend/helpers"
@@ -25,12 +30,14 @@ import (
 	e2etypes "github.com/OffchainLabs/prysm/v7/testing/endtoend/types"
 	"github.com/bazelbuild/rules_go/go/tools/bazel"
 	"github.com/pkg/errors"
+	bolt "go.etcd.io/bbolt"
 )

 var _ e2etypes.ComponentRunner = (*BeaconNode)(nil)
 var _ e2etypes.ComponentRunner = (*BeaconNodeSet)(nil)
 var _ e2etypes.MultipleComponentRunners = (*BeaconNodeSet)(nil)
 var _ e2etypes.BeaconNodeSet = (*BeaconNodeSet)(nil)
+var _ e2etypes.RestartableBeaconNodeSet = (*BeaconNodeSet)(nil)

 // BeaconNodeSet represents set of beacon nodes.
 type BeaconNodeSet struct {
@@ -149,24 +156,180 @@ func (s *BeaconNodeSet) ComponentAtIndex(i int) (e2etypes.ComponentRunner, error
 	return s.nodes[i], nil
 }

+// RestartAtIndex stops the beacon node at the given index and restarts it
+// with the provided extra flags appended to the existing configuration.
+// The restarted node preserves its data directory (does not clear DB).
+func (s *BeaconNodeSet) RestartAtIndex(ctx context.Context, i int, extraFlags []string) error {
+	if i >= len(s.nodes) {
+		return errors.Errorf("provided index exceeds slice size: %d >= %d", i, len(s.nodes))
+	}
+
+	// Get the existing node to extract its configuration
+	oldNode, ok := s.nodes[i].(*BeaconNode)
+	if !ok {
+		return errors.New("node at index is not a BeaconNode")
+	}
+
+	// Backup the log file before restart so we don't lose pre-restart logs
+	oldLogPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf(e2e.BeaconNodeLogFileName, i))
+	backupLogPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf("beacon-%d-pre-restart.log", i))
+	if err := copyFile(oldLogPath, backupLogPath); err != nil {
+		log.WithError(err).Warnf("Failed to backup log file before restart (non-fatal)")
+	} else {
+		log.Infof("Backed up beacon node %d log to %s", i, backupLogPath)
+	}
+
+	// Stop the node for restart (sets restarting flag to prevent errgroup failure)
+	log.Infof("Stopping beacon node %d for restart", i)
+	if err := oldNode.StopForRestart(); err != nil {
+		return errors.Wrap(err, "failed to stop node for restart")
+	}
+
+	// Wait a moment for the process to fully terminate
+	time.Sleep(2 * time.Second)
+
+	// Create a new config with extra flags
+	newConfig := *s.config
+	newConfig.BeaconFlags = append(slices.Clone(s.config.BeaconFlags), extraFlags...)
+
+	// Create a new node that will preserve the data directory
+	newNode := NewBeaconNodeForRestart(&newConfig, oldNode.index, oldNode.enr)
+	s.nodes[i] = newNode
+
+	// Start the new node in a goroutine
+	startErrCh := make(chan error, 1)
+	go func() {
+		if err := newNode.Start(ctx); err != nil {
+			// Only report error if context wasn't cancelled
+			if ctx.Err() == nil {
+				startErrCh <- err
+			}
+		}
+	}()
+
+	// Wait for node to start or timeout
+	select {
+	case <-newNode.Started():
+		log.Infof("Beacon node %d restarted successfully with extra flags: %v", i, extraFlags)
+		return nil
+	case err := <-startErrCh:
+		return errors.Wrap(err, "failed to start restarted beacon node")
+	case <-time.After(2 * time.Minute):
+		return errors.New("timeout waiting for restarted beacon node to start")
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
+// PreRestartHook is a function called after stopping a node but before restarting it.
+// It receives the BeaconNodeSet and node index, allowing modification of the node's database.
+type PreRestartHook func(s *BeaconNodeSet, nodeIndex int) error
+
+// RestartAtIndexWithPreHook is like RestartAtIndex but calls the provided hook function
+// after stopping the node and before restarting it. This allows modification of the
+// node's database (e.g., setting custody info) while the node is stopped.
+func (s *BeaconNodeSet) RestartAtIndexWithPreHook(ctx context.Context, i int, extraFlags []string, preHook PreRestartHook) error {
+	if i >= len(s.nodes) {
+		return errors.Errorf("provided index exceeds slice size: %d >= %d", i, len(s.nodes))
+	}
+
+	// Get the existing node to extract its configuration
+	oldNode, ok := s.nodes[i].(*BeaconNode)
+	if !ok {
+		return errors.New("node at index is not a BeaconNode")
+	}
+
+	// Backup the log file before restart so we don't lose pre-restart logs
+	oldLogPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf(e2e.BeaconNodeLogFileName, i))
+	backupLogPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf("beacon-%d-pre-restart.log", i))
+	if err := copyFile(oldLogPath, backupLogPath); err != nil {
+		log.WithError(err).Warnf("Failed to backup log file before restart (non-fatal)")
+	} else {
+		log.Infof("Backed up beacon node %d log to %s", i, backupLogPath)
+	}
+
+	// Stop the node for restart (sets restarting flag to prevent errgroup failure)
+	log.Infof("Stopping beacon node %d for restart", i)
+	if err := oldNode.StopForRestart(); err != nil {
+		return errors.Wrap(err, "failed to stop node for restart")
+	}
+
+	// Wait a moment for the process to fully terminate
+	time.Sleep(2 * time.Second)
+
+	// Execute the pre-restart hook if provided
+	if preHook != nil {
+		log.Infof("Executing pre-restart hook for beacon node %d", i)
+		if err := preHook(s, i); err != nil {
+			return errors.Wrap(err, "pre-restart hook failed")
+		}
+	}
+
+	// Create a new config with extra flags
+	newConfig := *s.config
+	newConfig.BeaconFlags = append(slices.Clone(s.config.BeaconFlags), extraFlags...)
+
+	// Create a new node that will preserve the data directory
+	newNode := NewBeaconNodeForRestart(&newConfig, oldNode.index, oldNode.enr)
+	s.nodes[i] = newNode
+
+	// Start the new node in a goroutine
+	startErrCh := make(chan error, 1)
+	go func() {
+		if err := newNode.Start(ctx); err != nil {
+			// Only report error if context wasn't cancelled
+			if ctx.Err() == nil {
+				startErrCh <- err
+			}
+		}
+	}()
+
+	// Wait for node to start or timeout
+	select {
+	case <-newNode.Started():
+		log.Infof("Beacon node %d restarted successfully with extra flags: %v", i, extraFlags)
+		return nil
+	case err := <-startErrCh:
+		return errors.Wrap(err, "failed to start restarted beacon node")
+	case <-time.After(2 * time.Minute):
+		return errors.New("timeout waiting for restarted beacon node to start")
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
 // BeaconNode represents beacon node.
 type BeaconNode struct {
 	e2etypes.ComponentRunner
-	config  *e2etypes.E2EConfig
-	started chan struct{}
-	index   int
-	enr     string
-	peerID  string
-	cmd     *exec.Cmd
+	config     *e2etypes.E2EConfig
+	started    chan struct{}
+	index      int
+	enr        string
+	peerID     string
+	cmd        *exec.Cmd
+	isRestart  bool       // If true, don't clear DB on start
+	restarting atomic.Bool // Set to true when being intentionally stopped for restart
 }

 // NewBeaconNode creates and returns a beacon node.
 func NewBeaconNode(config *e2etypes.E2EConfig, index int, enr string) *BeaconNode {
 	return &BeaconNode{
-		config:  config,
-		index:   index,
-		enr:     enr,
-		started: make(chan struct{}, 1),
+		config:    config,
+		index:     index,
+		enr:       enr,
+		started:   make(chan struct{}, 1),
+		isRestart: false,
+	}
+}
+
+// NewBeaconNodeForRestart creates a beacon node configured for restart (preserves DB).
+func NewBeaconNodeForRestart(config *e2etypes.E2EConfig, index int, enr string) *BeaconNode {
+	return &BeaconNode{
+		config:    config,
+		index:     index,
+		enr:       enr,
+		started:   make(chan struct{}, 1),
+		isRestart: true,
 	}
 }

@@ -273,9 +436,12 @@ func (node *BeaconNode) Start(ctx context.Context) error {
 		fmt.Sprintf("--%s=%s", cmdshared.ChainConfigFileFlag.Name, cfgPath),
 		"--" + cmdshared.ValidatorMonitorIndicesFlag.Name + "=1",
 		"--" + cmdshared.ValidatorMonitorIndicesFlag.Name + "=2",
-		"--" + cmdshared.ForceClearDB.Name,
 		"--" + cmdshared.AcceptTosFlag.Name,
 	}
+	// Only clear DB on initial start, not on restart
+	if !node.isRestart {
+		args = append(args, "--"+cmdshared.ForceClearDB.Name)
+	}
 	if config.UsePprof {
 		args = append(args, "--pprof", fmt.Sprintf("--pprofport=%d", e2e.TestParams.Ports.PrysmBeaconNodePprofPort+index))
 	}
@@ -324,7 +490,14 @@ func (node *BeaconNode) Start(ctx context.Context) error {
 	close(node.started)

 	node.cmd = cmd
-	return cmd.Wait()
+	err = cmd.Wait()
+	// If the node was intentionally stopped for restart, don't propagate the error
+	// to avoid failing the errgroup
+	if err != nil && node.restarting.Load() {
+		log.Infof("Beacon node %d stopped for restart (not an error)", index)
+		return nil
+	}
+	return err
 }

 // Started checks whether beacon node is started and ready to be queried.
@@ -347,6 +520,18 @@ func (node *BeaconNode) Stop() error {
 	return node.cmd.Process.Kill()
 }

+// StopForRestart stops the component for restart, setting a flag so the errgroup knows
+// this is an intentional stop and shouldn't fail the test.
+func (node *BeaconNode) StopForRestart() error {
+	node.restarting.Store(true)
+	return node.cmd.Process.Kill()
+}
+
+// IsRestarting returns true if the node was intentionally stopped for restart.
+func (node *BeaconNode) IsRestarting() bool {
+	return node.restarting.Load()
+}
+
 func (node *BeaconNode) UnderlyingProcess() *os.Process {
 	return node.cmd.Process
 }
@@ -362,3 +547,159 @@ func GenerateGenesis(ctx context.Context) (state.BeaconState, error) {
 	version := e2etypes.GenesisFork()
 	return interop.NewPreminedGenesis(ctx, t, nvals, pcreds, version, gb)
 }
+
+// copyFile copies a file from src to dst.
+func copyFile(src, dst string) error {
+	input, err := os.ReadFile(src)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(dst, input, 0644)
+}
+
+// Bucket and key names for custody info in BoltDB - must match beacon-chain/db/kv/schema.go
+var (
+	custodyBucket            = []byte("custody")
+	groupCountKey            = []byte("group-count")
+	earliestAvailableSlotKey = []byte("earliest-available-slot")
+)
+
+// SetEarliestSlotForNode directly sets the earliestAvailableSlot in a beacon node's database
+// without modifying the custody group count. The node MUST be stopped before calling this function.
+// This is used for testing to verify that earliestAvailableSlot never decreases.
+func (s *BeaconNodeSet) SetEarliestSlotForNode(nodeIndex int, earliestSlot primitives.Slot) error {
+	if nodeIndex >= len(s.nodes) {
+		return errors.Errorf("node index %d out of range (max %d)", nodeIndex, len(s.nodes)-1)
+	}
+
+	// Construct the path to the beacon node's database
+	// The beacon node stores its DB in a "beaconchaindata" subdirectory
+	dataDir := fmt.Sprintf("%s/eth2-beacon-node-%d", e2e.TestParams.TestPath, nodeIndex)
+	dbPath := path.Join(dataDir, "beaconchaindata", "beaconchain.db")
+
+	// Open the BoltDB database
+	db, err := bolt.Open(dbPath, 0600, &bolt.Options{Timeout: 5 * time.Second})
+	if err != nil {
+		return errors.Wrap(err, "failed to open beacon node database")
+	}
+	defer func() {
+		if closeErr := db.Close(); closeErr != nil {
+			log.WithError(closeErr).Error("Failed to close beacon node database")
+		}
+	}()
+
+	// Update only the earliest available slot
+	if err := db.Update(func(tx *bolt.Tx) error {
+		bucket, err := tx.CreateBucketIfNotExists(custodyBucket)
+		if err != nil {
+			return errors.Wrap(err, "create custody bucket")
+		}
+
+		// Store the earliest available slot
+		slotBytes := bytesutil.Uint64ToBytesBigEndian(uint64(earliestSlot))
+		if err := bucket.Put(earliestAvailableSlotKey, slotBytes); err != nil {
+			return errors.Wrap(err, "put earliest available slot")
+		}
+
+		return nil
+	}); err != nil {
+		return errors.Wrap(err, "update earliest slot in database")
+	}
+
+	log.WithFields(map[string]any{
+		"nodeIndex":             nodeIndex,
+		"earliestAvailableSlot": earliestSlot,
+		"dbPath":                dbPath,
+	}).Info("Set earliest available slot directly in beacon node database")
+
+	return nil
+}
+
+// SetCustodyInfoForNode directly modifies the custody info in a beacon node's database.
+// The node MUST be stopped before calling this function.
+// This is used for testing to simulate the state where maintainCustodyInfo() has updated
+// the earliestAvailableSlot to a higher value.
+func (s *BeaconNodeSet) SetCustodyInfoForNode(nodeIndex int, earliestSlot primitives.Slot, custodyGroupCount uint64) error {
+	if nodeIndex >= len(s.nodes) {
+		return errors.Errorf("node index %d out of range (max %d)", nodeIndex, len(s.nodes)-1)
+	}
+
+	// Construct the path to the beacon node's database
+	// The beacon node stores its DB in a "beaconchaindata" subdirectory
+	dataDir := fmt.Sprintf("%s/eth2-beacon-node-%d", e2e.TestParams.TestPath, nodeIndex)
+	dbPath := path.Join(dataDir, "beaconchaindata", "beaconchain.db")
+
+	// Open the BoltDB database
+	db, err := bolt.Open(dbPath, 0600, &bolt.Options{Timeout: 5 * time.Second})
+	if err != nil {
+		return errors.Wrap(err, "failed to open beacon node database")
+	}
+	defer func() {
+		if closeErr := db.Close(); closeErr != nil {
+			log.WithError(closeErr).Error("Failed to close beacon node database")
+		}
+	}()
+
+	// Update the custody info
+	if err := db.Update(func(tx *bolt.Tx) error {
+		bucket, err := tx.CreateBucketIfNotExists(custodyBucket)
+		if err != nil {
+			return errors.Wrap(err, "create custody bucket")
+		}
+
+		// Store the earliest available slot
+		slotBytes := bytesutil.Uint64ToBytesBigEndian(uint64(earliestSlot))
+		if err := bucket.Put(earliestAvailableSlotKey, slotBytes); err != nil {
+			return errors.Wrap(err, "put earliest available slot")
+		}
+
+		// Store the custody group count
+		countBytes := bytesutil.Uint64ToBytesBigEndian(custodyGroupCount)
+		if err := bucket.Put(groupCountKey, countBytes); err != nil {
+			return errors.Wrap(err, "put custody group count")
+		}
+
+		return nil
+	}); err != nil {
+		return errors.Wrap(err, "update custody info in database")
+	}
+
+	// Verify the write by reading back the values
+	var verifiedSlot, verifiedCount uint64
+	if err := db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket(custodyBucket)
+		if bucket == nil {
+			return errors.New("custody bucket not found after write")
+		}
+
+		slotBytes := bucket.Get(earliestAvailableSlotKey)
+		if slotBytes != nil {
+			verifiedSlot = bytesutil.BytesToUint64BigEndian(slotBytes)
+		}
+
+		countBytes := bucket.Get(groupCountKey)
+		if countBytes != nil {
+			verifiedCount = bytesutil.BytesToUint64BigEndian(countBytes)
+		}
+
+		return nil
+	}); err != nil {
+		return errors.Wrap(err, "verify custody info after write")
+	}
+
+	log.WithFields(map[string]any{
+		"nodeIndex":             nodeIndex,
+		"earliestAvailableSlot": earliestSlot,
+		"custodyGroupCount":     custodyGroupCount,
+		"verifiedSlot":          verifiedSlot,
+		"verifiedCount":         verifiedCount,
+		"dbPath":                dbPath,
+	}).Info("Set custody info directly in beacon node database")
+
+	if verifiedSlot != uint64(earliestSlot) || verifiedCount != custodyGroupCount {
+		return errors.Errorf("verification failed: wrote slot=%d count=%d, read slot=%d count=%d",
+			earliestSlot, custodyGroupCount, verifiedSlot, verifiedCount)
+	}
+
+	return nil
+}
--- a/testing/endtoend/components/eth1/BUILD.bazel
+++ b/testing/endtoend/components/eth1/BUILD.bazel
@@ -28,6 +28,7 @@ go_library(
        "//testing/endtoend/types:go_default_library",
        "//testing/middleware/engine-api-proxy:go_default_library",
        "//testing/util:go_default_library",
+        "//time/slots:go_default_library",
        "@com_github_ethereum_go_ethereum//:go_default_library",
        "@com_github_ethereum_go_ethereum//accounts/abi/bind:go_default_library",
        "@com_github_ethereum_go_ethereum//accounts/keystore:go_default_library",
@@ -38,8 +39,6 @@ go_library(
        "@com_github_ethereum_go_ethereum//ethclient/gethclient:go_default_library",
        "@com_github_ethereum_go_ethereum//rpc:go_default_library",
        "@com_github_holiman_uint256//:go_default_library",
-        "@com_github_mariusvanderwijden_fuzzyvm//filler:go_default_library",
-        "@com_github_mariusvanderwijden_tx_fuzz//:go_default_library",
        "@com_github_pkg_errors//:go_default_library",
        "@com_github_sirupsen_logrus//:go_default_library",
        "@io_bazel_rules_go//go/tools/bazel:go_default_library",
--- a/testing/endtoend/components/eth1/depositor.go
+++ b/testing/endtoend/components/eth1/depositor.go
@@ -267,6 +267,10 @@ func (d *Depositor) txops(ctx context.Context) (*bind.TransactOpts, error) {
 		return nil, err
 	}
 	txo.Nonce = big.NewInt(0).SetUint64(nonce)
+	// Set a high gas price to ensure deposit transactions can replace any pending
+	// transactions from the transaction generator that may be using the same nonce.
+	// The transaction generator uses 1e11 (100 Gwei), so we use 2e11 (200 Gwei).
+	txo.GasPrice = big.NewInt(2e11)
 	return txo, nil
 }

--- a/testing/endtoend/components/eth1/transactions.go
+++ b/testing/endtoend/components/eth1/transactions.go
@@ -10,12 +10,11 @@ import (
 	"os"
 	"time"

-	"github.com/MariusVanDerWijden/FuzzyVM/filler"
-	txfuzz "github.com/MariusVanDerWijden/tx-fuzz"
 	fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
 	"github.com/OffchainLabs/prysm/v7/config/params"
 	"github.com/OffchainLabs/prysm/v7/crypto/rand"
 	e2e "github.com/OffchainLabs/prysm/v7/testing/endtoend/params"
+	"github.com/OffchainLabs/prysm/v7/time/slots"
 	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/common"
@@ -67,7 +66,7 @@ func (t *TransactionGenerator) Start(ctx context.Context) error {
 	newGen := rand.NewDeterministicGenerator()
 	if seed == 0 {
 		seed = newGen.Int63()
-		logrus.Infof("Seed for transaction generator is: %d", seed)
+		logrus.WithField("Seed", seed).Info("Transaction generator")
 	}
 	// Set seed so that all transactions can be
 	// deterministically generated.
@@ -86,12 +85,21 @@ func (t *TransactionGenerator) Start(ctx context.Context) error {
 		return err
 	}
 	fundedAccount = newKey
-	rnd := make([]byte, 10000)
-	_, err = mathRand.Read(rnd) // #nosec G404
-	if err != nil {
+	// Ensure funding tx is mined before generating txs that rely on balance.
+	// Mine 1 block using the miner key to include the funding transfer.
+	backend := ethclient.NewClient(client)
+	defer backend.Close()
+
+	if err := WaitForBlocks(ctx, backend, mineKey, 1); err != nil {
+		return errors.Wrap(err, "failed to mine block for funding tx")
+	}
+
+	// Ensure the funded account has a comfortable minimum balance for blob and fuzzed txs.
+	minWei := new(big.Int).Mul(big.NewInt(1000), big.NewInt(0).SetUint64(params.BeaconConfig().GweiPerEth))
+	minWei.Mul(minWei, big.NewInt(1e9)) // 1000 ETH in wei
+	if err := ensureMinBalance(ctx, client, backend, mineKey, fundedAccount, minWei); err != nil {
 		return err
 	}
-	f := filler.NewFiller(rnd)
 	// Broadcast Transactions every slot
 	txPeriod := time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second
 	ticker := time.NewTicker(txPeriod)
@@ -105,7 +113,7 @@ func (t *TransactionGenerator) Start(ctx context.Context) error {
 				continue
 			}
 			backend := ethclient.NewClient(client)
-			err = SendTransaction(client, mineKey.PrivateKey, f, gasPrice, mineKey.Address.String(), txCount, backend, false)
+			err = SendTransaction(client, mineKey.PrivateKey, gasPrice, mineKey.Address.String(), txCount, backend, false)
 			if err != nil {
 				return err
 			}
@@ -119,7 +127,7 @@ func (s *TransactionGenerator) Started() <-chan struct{} {
 	return s.started
 }

-func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler, gasPrice *big.Int, addr string, N uint64, backend *ethclient.Client, al bool) error {
+func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, gasPrice *big.Int, addr string, txCount uint64, backend *ethclient.Client, al bool) error {
 	sender := common.HexToAddress(addr)
 	nonce, err := backend.PendingNonceAt(context.Background(), fundedAccount.Address)
 	if err != nil {
@@ -136,30 +144,65 @@ func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler
 	if expectedPrice.Cmp(gasPrice) > 0 {
 		gasPrice = expectedPrice
 	}
+
+	// Check if we're post-Fulu fork
+	currentSlot := slots.CurrentSlot(e2e.TestParams.CLGenesisTime)
+	currentEpoch := slots.ToEpoch(currentSlot)
+	fuluForkEpoch := params.BeaconConfig().FuluForkEpoch
+	isPostFulu := currentEpoch >= fuluForkEpoch
+
 	g, _ := errgroup.WithContext(context.Background())
 	txs := make([]*types.Transaction, 10)
-	for i := range uint64(10) {
-		index := i
-		g.Go(func() error {
-			tx, err := RandomBlobTx(client, f, fundedAccount.Address, nonce+index, gasPrice, chainid, al)
-			if err != nil {
-				logrus.WithError(err).Error("Could not create blob tx")
-				// In the event the transaction constructed is not valid, we continue with the routine
-				// rather than complete stop it.
-				//nolint:nilerr
+
+	// Send blob transactions - use different versions pre/post Fulu
+	if isPostFulu {
+		logrus.Info("Sending blob transactions with cell proofs")
+		// Reduced from 10 to 5 to conserve funds during extended test runs
+		for index := range uint64(5) {
+
+			g.Go(func() error {
+				tx, err := RandomBlobCellTx(client, fundedAccount.Address, nonce+index, gasPrice, chainid, al)
+				if err != nil {
+					return errors.Wrap(err, "Could not create blob cell tx")
+				}
+
+				signedTx, err := types.SignTx(tx, types.NewCancunSigner(chainid), fundedAccount.PrivateKey)
+				if err != nil {
+					return errors.Wrap(err, "Could not sign blob cell tx")
+				}
+
+				txs[index] = signedTx
 				return nil
-			}
-			signedTx, err := types.SignTx(tx, types.NewCancunSigner(chainid), fundedAccount.PrivateKey)
-			if err != nil {
-				logrus.WithError(err).Error("Could not sign blob tx")
-				// We continue on in the event there is a reason we can't sign this
-				// transaction(unlikely).
-				//nolint:nilerr
+			})
+		}
+	} else {
+		logrus.Info("Sending blob transactions with sidecars")
+		// Reduced from 10 to 5 to conserve funds during extended test runs
+		for index := range uint64(5) {
+
+			g.Go(func() error {
+				tx, err := RandomBlobTx(client, fundedAccount.Address, nonce+index, gasPrice, chainid, al)
+				if err != nil {
+					logrus.WithError(err).Error("Could not create blob tx")
+					// In the event the transaction constructed is not valid, we continue with the routine
+					// rather than complete stop it.
+					//nolint:nilerr
+					return nil
+				}
+
+				signedTx, err := types.SignTx(tx, types.NewCancunSigner(chainid), fundedAccount.PrivateKey)
+				if err != nil {
+					logrus.WithError(err).Error("Could not sign blob tx")
+					// We continue on in the event there is a reason we can't sign this
+					// transaction(unlikely).
+					//nolint:nilerr
+					return nil
+				}
+
+				txs[index] = signedTx
 				return nil
-			}
-			txs[index] = signedTx
-			return nil
-		})
+			})
+		}
 	}

 	if err := g.Wait(); err != nil {
@@ -169,6 +212,7 @@ func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler
 		if tx == nil {
 			continue
 		}
+
 		err = backend.SendTransaction(context.Background(), tx)
 		if err != nil {
 			// Do nothing
@@ -181,17 +225,20 @@ func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler
 		return err
 	}

-	txs = make([]*types.Transaction, N)
-	for i := range N {
-		index := i
+	txs = make([]*types.Transaction, txCount)
+	for index := range txCount {
+
 		g.Go(func() error {
-			tx, err := txfuzz.RandomValidTx(client, f, sender, nonce+index, gasPrice, chainid, al)
+			tx, err := randomValidTx(sender, nonce+index, gasPrice, chainid, al)
 			if err != nil {
 				// In the event the transaction constructed is not valid, we continue with the routine
 				// rather than complete stop it.
 				//nolint:nilerr
 				return nil
 			}
+			// Clamp gas to avoid exceeding common EL per-tx gas caps (e.g. 16,777,216) due to EIP-7825: Transaction Gas Limit Cap
+			tx = clampTxGas(tx, 16_000_000)
+
 			signedTx, err := types.SignTx(tx, types.NewLondonSigner(chainid), key)
 			if err != nil {
 				// We continue on in the event there is a reason we can't sign this
@@ -237,11 +284,13 @@ func (t *TransactionGenerator) Stop() error {
 	return nil
 }

-func RandomBlobTx(rpc *rpc.Client, f *filler.Filler, sender common.Address, nonce uint64, gasPrice, chainID *big.Int, al bool) (*types.Transaction, error) {
+func RandomBlobCellTx(rpc *rpc.Client, sender common.Address, nonce uint64, gasPrice, chainID *big.Int, al bool) (*types.Transaction, error) {
 	// Set fields if non-nil
 	if rpc != nil {
 		client := ethclient.NewClient(rpc)
+
 		var err error
+
 		if gasPrice == nil {
 			gasPrice, err = client.SuggestGasPrice(context.Background())
 			if err != nil {
@@ -255,24 +304,113 @@ func RandomBlobTx(rpc *rpc.Client, f *filler.Filler, sender common.Address, nonc
 			}
 		}
 	}
+
 	gas := uint64(100000)
 	to := randomAddress()
-	code := txfuzz.RandomCode(f)
+	// Generate random EVM bytecode (similar to what tx-fuzz RandomCode did)
+	code := generateRandomEVMCode(mathRand.Intn(128)) // #nosec G404
 	value := big.NewInt(0)
-	if len(code) > 128 {
-		code = code[:128]
-	}
+
 	mod := 2
 	if al {
 		mod = 1
 	}
-	switch f.Byte() % byte(mod) {
+
+	// #nosec G404 -- Test code uses deterministic randomness
+	switch mathRand.Intn(mod) {
 	case 0:
-		// 4844 transaction without AL
+		// Blob transaction with cell proofs (Version 1 sidecar)
 		tip, feecap, err := getCaps(rpc, gasPrice)
 		if err != nil {
 			return nil, errors.Wrap(err, "getCaps")
 		}
+
+		data, err := randomBlobData()
+		if err != nil {
+			return nil, errors.Wrap(err, "randomBlobData")
+		}
+
+		return New4844CellTx(nonce, &to, gas, chainID, tip, feecap, value, code, big.NewInt(1000000), data, make(types.AccessList, 0))
+	case 1:
+		// Blob transaction with cell proofs and access list
+		tx := types.NewTx(&types.LegacyTx{
+			Nonce:    nonce,
+			To:       &to,
+			Value:    value,
+			Gas:      gas,
+			GasPrice: gasPrice,
+			Data:     code,
+		})
+
+		// Use legacy GasPrice for access list simulation to satisfy post-London requirement.
+		msg := ethereum.CallMsg{
+			From:       sender,
+			To:         tx.To(),
+			Gas:        tx.Gas(),
+			GasPrice:   gasPrice,
+			Value:      tx.Value(),
+			Data:       tx.Data(),
+			AccessList: nil,
+		}
+		geth := gethclient.New(rpc)
+
+		al, _, _, err := geth.CreateAccessList(context.Background(), msg)
+		if err != nil {
+			return nil, errors.Wrap(err, "CreateAccessList")
+		}
+		tip, feecap, err := getCaps(rpc, gasPrice)
+		if err != nil {
+			return nil, errors.Wrap(err, "getCaps")
+		}
+		data, err := randomBlobData()
+		if err != nil {
+			return nil, errors.Wrap(err, "randomBlobData")
+		}
+
+		return New4844CellTx(nonce, &to, gas, chainID, tip, feecap, value, code, big.NewInt(1000000), data, *al)
+	}
+
+	return nil, nil
+}
+
+func RandomBlobTx(rpc *rpc.Client, sender common.Address, nonce uint64, gasPrice, chainID *big.Int, al bool) (*types.Transaction, error) {
+	// Set fields if non-nil
+	if rpc != nil {
+		client := ethclient.NewClient(rpc)
+		var err error
+		if gasPrice == nil {
+			gasPrice, err = client.SuggestGasPrice(context.Background())
+			if err != nil {
+				gasPrice = big.NewInt(1)
+			}
+		}
+
+		if chainID == nil {
+			chainID, err = client.ChainID(context.Background())
+			if err != nil {
+				chainID = big.NewInt(1)
+			}
+		}
+	}
+	gas := uint64(100000)
+	to := randomAddress()
+	// Generate random EVM bytecode (similar to what tx-fuzz RandomCode did)
+	code := generateRandomEVMCode(mathRand.Intn(128)) // #nosec G404
+	value := big.NewInt(0)
+	mod := 2
+	if al {
+		mod = 1
+	}
+	// #nosec G404 -- Test code uses deterministic randomness
+	switch mathRand.Intn(mod) {
+	case 0:
+		// 4844 transaction without AL
+
+		tip, feecap, err := getCaps(rpc, gasPrice)
+		if err != nil {
+			return nil, errors.Wrap(err, "getCaps")
+		}
+
 		data, err := randomBlobData()
 		if err != nil {
 			return nil, errors.Wrap(err, "randomBlobData")
@@ -289,18 +427,18 @@ func RandomBlobTx(rpc *rpc.Client, f *filler.Filler, sender common.Address, nonc
 			Data:     code,
 		})

-		// TODO: replace call with al, err := txfuzz.CreateAccessList(rpc, tx, sender) when txfuzz is fixed in new release
-		// an error occurs mentioning error="CreateAccessList: both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified"
+		// Use legacy GasPrice for access list simulation to satisfy post-London requirement.
 		msg := ethereum.CallMsg{
 			From:       sender,
 			To:         tx.To(),
 			Gas:        tx.Gas(),
-			GasPrice:   tx.GasPrice(),
+			GasPrice:   gasPrice,
 			Value:      tx.Value(),
 			Data:       tx.Data(),
 			AccessList: nil,
 		}
 		geth := gethclient.New(rpc)
+
 		al, _, _, err := geth.CreateAccessList(context.Background(), msg)
 		if err != nil {
 			return nil, errors.Wrap(err, "CreateAccessList")
@@ -318,6 +456,43 @@ func RandomBlobTx(rpc *rpc.Client, f *filler.Filler, sender common.Address, nonc
 	return nil, errors.New("asdf")
 }

+func New4844CellTx(nonce uint64, to *common.Address, gasLimit uint64, chainID, tip, feeCap, value *big.Int, code []byte, blobFeeCap *big.Int, blobData []byte, al types.AccessList) (*types.Transaction, error) {
+	blobs, comms, _, versionedHashes, err := EncodeBlobs(blobData)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to encode blobs")
+	}
+
+	// Create a Version 0 sidecar first
+	sidecar := &types.BlobTxSidecar{
+		Version:     types.BlobSidecarVersion0,
+		Blobs:       blobs,
+		Commitments: comms,
+		Proofs:      make([]kzg4844.Proof, len(blobs)), // Placeholder, will be replaced by ToV1
+	}
+
+	// Convert to Version 1 which will compute and attach cell proofs
+	if err := sidecar.ToV1(); err != nil {
+		return nil, errors.Wrap(err, "failed to convert sidecar to V1")
+	}
+
+	tx := types.NewTx(&types.BlobTx{
+		ChainID:    uint256.MustFromBig(chainID),
+		Nonce:      nonce,
+		GasTipCap:  uint256.MustFromBig(tip),
+		GasFeeCap:  uint256.MustFromBig(feeCap),
+		Gas:        gasLimit,
+		To:         *to,
+		Value:      uint256.MustFromBig(value),
+		Data:       code,
+		AccessList: al,
+		BlobFeeCap: uint256.MustFromBig(blobFeeCap),
+		BlobHashes: versionedHashes,
+		Sidecar:    sidecar,
+	})
+
+	return tx, nil
+}
+
 func New4844Tx(nonce uint64, to *common.Address, gasLimit uint64, chainID, tip, feeCap, value *big.Int, code []byte, blobFeeCap *big.Int, blobData []byte, al types.AccessList) *types.Transaction {
 	blobs, comms, proofs, versionedHashes, err := EncodeBlobs(blobData)
 	if err != nil {
@@ -344,6 +519,78 @@ func New4844Tx(nonce uint64, to *common.Address, gasLimit uint64, chainID, tip,
 	return tx
 }

+// clampTxGas returns a copy of tx with Gas reduced to cap if it exceeds cap.
+// This avoids EL errors like "transaction gas limit too high" on networks with
+// per-transaction gas caps (commonly ~16,777,216).
+func clampTxGas(tx *types.Transaction, gasCap uint64) *types.Transaction {
+	if tx == nil || tx.Gas() <= gasCap {
+		return tx
+	}
+
+	to := tx.To()
+	switch tx.Type() {
+	case types.LegacyTxType:
+		return types.NewTx(&types.LegacyTx{
+			Nonce:    tx.Nonce(),
+			To:       to,
+			Value:    tx.Value(),
+			Gas:      gasCap,
+			GasPrice: tx.GasPrice(),
+			Data:     tx.Data(),
+		})
+	case types.AccessListTxType:
+		return types.NewTx(&types.AccessListTx{
+			ChainID:    tx.ChainId(),
+			Nonce:      tx.Nonce(),
+			To:         to,
+			Value:      tx.Value(),
+			Gas:        gasCap,
+			GasPrice:   tx.GasPrice(),
+			Data:       tx.Data(),
+			AccessList: tx.AccessList(),
+		})
+	case types.DynamicFeeTxType:
+		return types.NewTx(&types.DynamicFeeTx{
+			ChainID:    tx.ChainId(),
+			Nonce:      tx.Nonce(),
+			To:         to,
+			Value:      tx.Value(),
+			Gas:        gasCap,
+			Data:       tx.Data(),
+			AccessList: tx.AccessList(),
+			GasTipCap:  tx.GasTipCap(),
+			GasFeeCap:  tx.GasFeeCap(),
+		})
+	case types.BlobTxType:
+		// Leave blob txs unchanged here; blob tx construction paths set gas explicitly.
+		return tx
+	default:
+		return tx
+	}
+}
+
+// ensureMinBalance tops up dest account from miner if its balance is below minWei.
+func ensureMinBalance(ctx context.Context, rpcCli *rpc.Client, backend *ethclient.Client, minerKey, destKey *keystore.Key, minWei *big.Int) error {
+	bal, err := backend.BalanceAt(ctx, destKey.Address, nil)
+	if err != nil {
+		return err
+	}
+
+	if bal.Cmp(minWei) >= 0 {
+		return nil
+	}
+
+	if err := fundAccount(rpcCli, minerKey, destKey); err != nil {
+		return err
+	}
+
+	if err := WaitForBlocks(ctx, backend, minerKey, 1); err != nil {
+		return errors.Wrap(err, "failed to mine block for top-up tx")
+	}
+
+	return nil
+}
+
 func encodeBlobs(data []byte) []kzg4844.Blob {
 	blobs := []kzg4844.Blob{{}}
 	blobIndex := 0
@@ -468,7 +715,8 @@ func fundAccount(client *rpc.Client, sourceKey, destKey *keystore.Key) error {
 	if err != nil {
 		return err
 	}
-	val, ok := big.NewInt(0).SetString("10000000000000000000000000", 10)
+	// Increased funding to 100 million ETH to handle extended test runs with blob transactions
+	val, ok := big.NewInt(0).SetString("100000000000000000000000000", 10)
 	if !ok {
 		return errors.New("could not set big int for value")
 	}
@@ -479,3 +727,132 @@ func fundAccount(client *rpc.Client, sourceKey, destKey *keystore.Key) error {
 	}
 	return backend.SendTransaction(context.Background(), signedTx)
 }
+
+// generateRandomEVMCode generates random but valid-looking EVM bytecode
+// This mimics what tx-fuzz's RandomCode did (which used FuzzyVM's generator)
+func generateRandomEVMCode(maxLen int) []byte {
+	if maxLen == 0 {
+		return []byte{}
+	}
+
+	// Common EVM opcodes that are safe for testing
+	// Including: PUSH, DUP, SWAP, arithmetic, logic, and STOP
+	safeOpcodes := []byte{
+		0x00, // STOP
+		0x01, // ADD
+		0x02, // MUL
+		0x03, // SUB
+		0x04, // DIV
+		0x10, // LT
+		0x11, // GT
+		0x14, // EQ
+		0x16, // AND
+		0x17, // OR
+		0x18, // XOR
+		0x50, // POP
+		0x52, // MSTORE
+		0x54, // SLOAD
+		0x55, // SSTORE
+		0x56, // JUMP
+		0x57, // JUMPI
+		0x58, // PC
+		0x59, // MSIZE
+		0x5A, // GAS
+		0x60, // PUSH1
+		0x80, // DUP1
+		0x90, // SWAP1
+	}
+
+	code := make([]byte, 0, maxLen)
+	for i := 0; i < maxLen; i++ {
+		opcode := safeOpcodes[mathRand.Intn(len(safeOpcodes))] // #nosec G404
+		code = append(code, opcode)
+
+		// If PUSH1, add a random byte
+		if opcode == 0x60 && i+1 < maxLen {
+			code = append(code, byte(mathRand.Intn(256))) // #nosec G404
+			i++
+		}
+	}
+
+	return code
+}
+
+// randomValidTx generates a random valid transaction
+// This replaces tx-fuzz's RandomValidTx functionality
+func randomValidTx(sender common.Address, nonce uint64, gasPrice, chainID *big.Int, forceAccessList bool) (*types.Transaction, error) {
+	gas := uint64(21000 + mathRand.Intn(100000)) // #nosec G404
+	to := randomAddress()
+	code := generateRandomEVMCode(mathRand.Intn(256)) // #nosec G404
+	value := big.NewInt(0)
+
+	// Randomly choose transaction type
+	// 0: Legacy, 1: AccessList, 2: DynamicFee
+	txType := mathRand.Intn(3) // #nosec G404
+	if forceAccessList {
+		txType = 1 // Force AccessList type
+	}
+
+	switch txType {
+	case 0:
+		// Legacy transaction
+		return types.NewTx(&types.LegacyTx{
+			Nonce:    nonce,
+			To:       &to,
+			Value:    value,
+			Gas:      gas,
+			GasPrice: gasPrice,
+			Data:     code,
+		}), nil
+	case 1:
+		// AccessList transaction
+		accessList := make(types.AccessList, 0)
+		// Optionally add some random access list entries
+		// #nosec G404 -- Test code uses deterministic randomness
+		if mathRand.Intn(2) == 0 {
+			// #nosec G404 -- Test code uses deterministic randomness
+			numEntries := mathRand.Intn(3) + 1
+			for range numEntries {
+				addr := randomAddress()
+				storageKeys := make([]common.Hash, mathRand.Intn(3)) // #nosec G404
+				for j := range storageKeys {
+					b := make([]byte, 32)
+					_, _ = mathRand.Read(b) // #nosec G404
+					storageKeys[j] = common.BytesToHash(b)
+				}
+				accessList = append(accessList, types.AccessTuple{
+					Address:     addr,
+					StorageKeys: storageKeys,
+				})
+			}
+		}
+		return types.NewTx(&types.AccessListTx{
+			ChainID:    chainID,
+			Nonce:      nonce,
+			To:         &to,
+			Value:      value,
+			Gas:        gas,
+			GasPrice:   gasPrice,
+			Data:       code,
+			AccessList: accessList,
+		}), nil
+	case 2:
+		// DynamicFee transaction (EIP-1559)
+		tip := new(big.Int).Div(gasPrice, big.NewInt(10)) // 10% tip
+		feeCap := new(big.Int).Add(gasPrice, tip)
+		accessList := make(types.AccessList, 0)
+		return types.NewTx(&types.DynamicFeeTx{
+			ChainID:    chainID,
+			Nonce:      nonce,
+			To:         &to,
+			Value:      value,
+			Gas:        gas,
+			GasTipCap:  tip,
+			GasFeeCap:  feeCap,
+			Data:       code,
+			AccessList: accessList,
+		}), nil
+	}
+
+	return nil, errors.New("invalid transaction type")
+}
--- a/testing/endtoend/endtoend_setup_test.go
+++ b/testing/endtoend/endtoend_setup_test.go
@@ -21,7 +21,7 @@ func e2eMinimal(t *testing.T, cfg *params.BeaconChainConfig, cfgo ...types.E2ECo
 	require.NoError(t, e2eParams.Init(t, e2eParams.StandardBeaconCount))

 	var err error
-	epochsToRun := 16
+	epochsToRun := 18
 	epochStr, longRunning := os.LookupEnv("E2E_EPOCHS")
 	if longRunning {
 		epochsToRun, err = strconv.Atoi(epochStr)
@@ -64,6 +64,7 @@ func e2eMinimal(t *testing.T, cfg *params.BeaconChainConfig, cfgo ...types.E2ECo
 	evals = addIfForkSet(evals, cfg.CapellaForkEpoch, ev.CapellaForkTransition)
 	evals = addIfForkSet(evals, cfg.DenebForkEpoch, ev.DenebForkTransition)
 	evals = addIfForkSet(evals, cfg.ElectraForkEpoch, ev.ElectraForkTransition)
+	evals = addIfForkSet(evals, cfg.FuluForkEpoch, ev.FuluForkTransition)

 	testConfig := &types.E2EConfig{
 		BeaconFlags: []string{
--- a/testing/endtoend/endtoend_test.go
+++ b/testing/endtoend/endtoend_test.go
@@ -195,11 +195,12 @@ func (r *testRunner) runEvaluators(ec *e2etypes.EvaluationContext, conns []*grpc
 	secondsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch.Mul(params.BeaconConfig().SecondsPerSlot))
 	ticker := helpers.NewEpochTicker(tickingStartTime, secondsPerEpoch)
 	for currentEpoch := range ticker.C() {
-		if config.EvalInterceptor(ec, currentEpoch, conns) {
-			continue
+		intercepted := config.EvalInterceptor(ec, currentEpoch, conns)
+		if !intercepted {
+			r.executeProvidedEvaluators(ec, currentEpoch, conns, config.Evaluators)
 		}
-		r.executeProvidedEvaluators(ec, currentEpoch, conns, config.Evaluators)

+		// Check termination condition regardless of whether evaluators were intercepted
 		if t.Failed() || currentEpoch >= config.EpochsToRun-1 {
 			ticker.Done()
 			if t.Failed() {
@@ -225,9 +226,9 @@ func (r *testRunner) testDepositsAndTx(ctx context.Context, g *errgroup.Group,
 		if err := helpers.ComponentsStarted(ctx, []e2etypes.ComponentRunner{r.depositor}); err != nil {
 			return errors.Wrap(err, "testDepositsAndTx unable to run, depositor did not Start")
 		}
-		go func() {
-			if r.config.TestDeposits {
-				log.Info("Running deposit tests")
+        go func() {
+            if r.config.TestDeposits {
+                log.Info("Running deposit tests")
 				// The validators with an index < minGenesisActiveCount all have deposits already from the chain start.
 				// Skip all of those chain start validators by seeking to minGenesisActiveCount in the validator list
 				// for further deposit testing.
@@ -238,9 +239,12 @@ func (r *testRunner) testDepositsAndTx(ctx context.Context, g *errgroup.Group,
 						r.t.Error(errors.Wrap(err, "depositor.SendAndMine failed"))
 					}
 				}
-			}
-			r.testTxGeneration(ctx, g, keystorePath, []e2etypes.ComponentRunner{})
-		}()
+            }
+            // Only generate background transactions when relevant for the test.
+            if r.config.TestDeposits || r.config.TestFeature || r.config.UseBuilder {
+                r.testTxGeneration(ctx, g, keystorePath, []e2etypes.ComponentRunner{})
+            }
+        }()
 		if r.config.TestDeposits {
 			return depositCheckValidator.Start(ctx)
 		}
@@ -849,3 +853,148 @@ func (r *testRunner) multiScenario(ec *e2etypes.EvaluationContext, epoch uint64,
 func defaultInterceptor(_ *e2etypes.EvaluationContext, _ uint64, _ []*grpc.ClientConn) bool {
 	return false
 }
+
+// preFuluSemiSupernodeRestart tests the custody info bug where restarting with
+// --semi-supernode before the Fulu fork causes earliestAvailableSlot to decrease.
+//
+// The bug scenario:
+// 1. Node starts - Fulu scheduled but not active, earliestAvailableSlot set from EarliestSlot()
+// 2. Validators connect - maintainCustodyInfo() updates earliestAvailableSlot to headSlot
+// 3. Restart with --semi-supernode (still before Fulu) - EarliestSlot() returns checkpoint slot
+//    BUG: The lower checkpoint slot overwrites the higher headSlot value
+//
+// This interceptor:
+// - Phase 1 (epoch fuluFork-3): Record initial custody info
+// - Phase 2 (epoch fuluFork-2): Let validators connect, custody info updates to headSlot
+// - Phase 3 (epoch fuluFork-1): Restart node 0 with --semi-supernode
+// - Phase 4 (epoch fuluFork): Verify earliestAvailableSlot did NOT decrease
+func (r *testRunner) preFuluSemiSupernodeRestart(ec *e2etypes.EvaluationContext, epoch uint64, conns []*grpc.ClientConn) bool {
+	fuluForkEpoch := params.BeaconConfig().FuluForkEpoch
+	if fuluForkEpoch == params.BeaconConfig().FarFutureEpoch {
+		// Fulu not scheduled, skip this scenario
+		return false
+	}
+
+	// Define epoch phases relative to Fulu fork
+	// We need at least 3 epochs before Fulu to run the full scenario
+	recordInitialEpoch := fuluForkEpoch - 3
+	validatorsConnectedEpoch := fuluForkEpoch - 2
+	restartEpoch := fuluForkEpoch - 1
+	verifyEpoch := fuluForkEpoch
+	// After verifyEpoch, we're in recovery - skip standard evaluators
+
+	epochVal := primitives.Epoch(epoch)
+
+	// Warmup period: epochs 0-2 are used for chain startup and validator initialization
+	// Skip standard evaluators during this time to avoid flaky failures
+	if epochVal < recordInitialEpoch {
+		log.WithField("epoch", epoch).Info("Pre-Fulu Semi-Supernode Test - Warmup period: waiting for chain to stabilize")
+		return true
+	}
+
+	switch epochVal {
+	case recordInitialEpoch:
+		log.Info("Pre-Fulu Semi-Supernode Test - Phase 1: Recording initial custody info")
+		// Run custody info evaluator to capture initial state
+		evs := []e2etypes.Evaluator{ev.CustodyInfoNonDecreasing}
+		r.executeProvidedEvaluators(ec, epoch, conns, evs)
+		return true
+
+	case validatorsConnectedEpoch:
+		log.Info("Pre-Fulu Semi-Supernode Test - Phase 2: Validators connected, checking custody info updated")
+		// At this point, maintainCustodyInfo() should have run and updated earliestAvailableSlot
+		// Run evaluator to verify and capture updated state
+		evs := []e2etypes.Evaluator{ev.CustodyInfoNonDecreasing}
+		r.executeProvidedEvaluators(ec, epoch, conns, evs)
+		return true
+
+	case restartEpoch:
+		log.Info("Pre-Fulu Semi-Supernode Test - Phase 3: Restarting beacon node 0 with --semi-supernode")
+
+		// Get the beacon node set with restart capability
+		beaconNodes, ok := r.comHandler.beaconNodes.(*components.BeaconNodeSet)
+		if !ok {
+			r.t.Error("Failed to get BeaconNodeSet for restart")
+			return true
+		}
+
+		// The simulated slot value that maintainCustodyInfo() would have set.
+		// This must be higher than what EarliestSlot() returns (which is 0 from genesis).
+		const simulatedHigherSlot = 100
+		// Set custody group count to 4 (the base requirement). When semi-supernode starts,
+		// it will want to increase this (but not to 128+ which validators might require).
+		// This triggers the update code path where the fix should protect the slot.
+		const initialCustodyGroupCount = 4
+
+		// Pre-restart hook: Set custody info in the DB before restart.
+		// We set a higher earliestAvailableSlot with a low custody group count.
+		// After restart with --semi-supernode, custody may increase, triggering UpdateCustodyInfo.
+		// The fix should ensure earliestAvailableSlot doesn't decrease when custody increases.
+		preRestartHook := func(s *components.BeaconNodeSet, nodeIndex int) error {
+			log.WithFields(log.Fields{
+				"nodeIndex":                  nodeIndex,
+				"simulatedEarliestAvailSlot": simulatedHigherSlot,
+				"custodyGroupCount":          initialCustodyGroupCount,
+			}).Info("Pre-restart hook: Setting earliestAvailableSlot and custodyGroupCount")
+			return s.SetCustodyInfoForNode(nodeIndex, simulatedHigherSlot, initialCustodyGroupCount)
+		}
+
+		// Restart node 0 with --semi-supernode flag
+		ctx := r.comHandler.ctx
+		if err := beaconNodes.RestartAtIndexWithPreHook(ctx, 0, []string{"--semi-supernode"}, preRestartHook); err != nil {
+			r.t.Errorf("Failed to restart beacon node with --semi-supernode: %v", err)
+			return true
+		}
+
+		log.Info("Pre-Fulu Semi-Supernode Test - Beacon node 0 restarted successfully")
+		return true
+
+	case verifyEpoch:
+		log.Info("Pre-Fulu Semi-Supernode Test - Phase 4: Verifying earliestAvailableSlot did not decrease")
+
+		// This is the critical assertion - if the bug exists, earliestAvailableSlot will have decreased
+		evs := []e2etypes.Evaluator{ev.CustodyInfoNonDecreasing}
+		r.executeProvidedEvaluators(ec, epoch, conns, evs)
+
+		// Also do a full monotonicity check on all log entries
+		logPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf(e2e.BeaconNodeLogFileName, 0))
+		if err := ev.VerifyCustodyInfoMonotonicity(logPath); err != nil {
+			r.t.Errorf("Custody info monotonicity check failed: %v", err)
+		}
+
+		// Critical bug detection: Check that post-restart earliestAvailableSlot is >= 100 (what we set in the hook)
+		// The pre-restart hook sets earliestAvailableSlot=100 directly in the DB.
+		// If the bug exists, the post-restart value will be 0 (from EarliestSlot()).
+		// If the fix is applied, the post-restart value should be >= 100 (max of stored vs incoming).
+		const expectedMinSlot = 100
+		latestCustodyInfo, err := ev.ParseCustodyInfoFromLog(logPath)
+		if err != nil {
+			r.t.Errorf("Failed to parse custody info from log: %v", err)
+		} else if latestCustodyInfo.EarliestAvailableSlot < expectedMinSlot {
+			r.t.Errorf("BUG DETECTED: earliestAvailableSlot decreased from %d (set by hook) to %d (post-restart). "+
+				"This confirms the bug where UpdateCustodyInfo overwrites without using max().",
+				expectedMinSlot, latestCustodyInfo.EarliestAvailableSlot)
+		} else {
+			log.WithFields(log.Fields{
+				"expectedMinSlot":  expectedMinSlot,
+				"actualSlot":       latestCustodyInfo.EarliestAvailableSlot,
+				"custodyGroupCount": latestCustodyInfo.CustodyGroupCount,
+			}).Info("Post-restart earliestAvailableSlot is correct (>= expected minimum)")
+		}
+
+		return true
+
+	default:
+		// Recovery period: after restart, give the beacon node time to sync
+		// Skip normal evaluators that would fail due to syncing node
+		if epochVal > verifyEpoch {
+			log.WithField("epoch", epoch).Info("Pre-Fulu Semi-Supernode Test - Recovery period: skipping normal evaluators while node syncs")
+			// Still run custody evaluator to ensure earliestAvailableSlot remains stable
+			evs := []e2etypes.Evaluator{ev.CustodyInfoNonDecreasing}
+			r.executeProvidedEvaluators(ec, epoch, conns, evs)
+			return true
+		}
+	}
+
+	return false
+}
--- a/testing/endtoend/evaluators/BUILD.bazel
+++ b/testing/endtoend/evaluators/BUILD.bazel
@@ -5,6 +5,7 @@ go_library(
    testonly = True,
    srcs = [
        "builder.go",
+        "custody.go",
        "data.go",
        "execution_engine.go",
        "fee_recipient.go",
--- a/testing/endtoend/evaluators/custody.go
+++ b/testing/endtoend/evaluators/custody.go
@@ -0,0 +1,222 @@
+package evaluators
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path"
+	"regexp"
+	"strconv"
+
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
+	e2e "github.com/OffchainLabs/prysm/v7/testing/endtoend/params"
+	"github.com/OffchainLabs/prysm/v7/testing/endtoend/policies"
+	e2etypes "github.com/OffchainLabs/prysm/v7/testing/endtoend/types"
+	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc"
+)
+
+// CustodyInfoNonDecreasing verifies that earliestAvailableSlot never decreases
+// across custody info updates. This is used to detect the bug where restarting
+// with --semi-supernode before Fulu fork overwrites a higher slot with a lower one.
+var CustodyInfoNonDecreasing = e2etypes.Evaluator{
+	Name:       "custody_info_non_decreasing_%d",
+	Policy:     policies.AllEpochs,
+	Evaluation: custodyInfoNonDecreasing,
+}
+
+// custodyInfoNonDecreasing parses beacon node logs for custody info updates
+// and verifies that earliestAvailableSlot never decreases.
+func custodyInfoNonDecreasing(ec *e2etypes.EvaluationContext, _ ...*grpc.ClientConn) error {
+	for i := 0; i < e2e.TestParams.BeaconNodeCount; i++ {
+		logPath := path.Join(e2e.TestParams.LogPath, fmt.Sprintf(e2e.BeaconNodeLogFileName, i))
+		custodyInfo, err := ParseCustodyInfoFromLog(logPath)
+		if err != nil {
+			// If we can't find custody info, that's OK - just means Fulu isn't enabled or no updates yet
+			continue
+		}
+
+		// Check if we have a previous value
+		if prev, exists := ec.CustodyInfo[i]; exists {
+			if custodyInfo.EarliestAvailableSlot < prev.EarliestAvailableSlot {
+				return fmt.Errorf(
+					"node %d: earliestAvailableSlot decreased from %d to %d (bug detected!)",
+					i, prev.EarliestAvailableSlot, custodyInfo.EarliestAvailableSlot,
+				)
+			}
+		}
+
+		// Update the stored value
+		ec.CustodyInfo[i] = custodyInfo
+	}
+
+	return nil
+}
+
+// ParseCustodyInfoFromLog parses custody info from beacon node log file.
+// It looks for log lines containing "Updated custody info in database" and extracts
+// the earliestAvailableSlot and custodyGroupCount values.
+// Returns the most recent custody info found in the log.
+func ParseCustodyInfoFromLog(logPath string) (*e2etypes.CustodyInfoState, error) {
+	file, err := os.Open(logPath)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to open log file")
+	}
+	defer func() {
+		if err := file.Close(); err != nil {
+			log.WithError(err).Error("Failed to close log file")
+		}
+	}()
+
+	// Pattern to match: earliestAvailableSlot=1234 custodyGroupCount=64
+	// Log format: time="..." level=info msg="Updated custody info in database" earliestAvailableSlot=123 custodyGroupCount=64 ...
+	slotPattern := regexp.MustCompile(`earliestAvailableSlot=(\d+)`)
+	countPattern := regexp.MustCompile(`custodyGroupCount=(\d+)`)
+	updatePattern := regexp.MustCompile(`Updated custody info in database`)
+
+	var latestInfo *e2etypes.CustodyInfoState
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		// Only process lines with custody info updates
+		if !updatePattern.MatchString(line) {
+			continue
+		}
+
+		slotMatch := slotPattern.FindStringSubmatch(line)
+		countMatch := countPattern.FindStringSubmatch(line)
+
+		if len(slotMatch) < 2 || len(countMatch) < 2 {
+			continue
+		}
+
+		slot, err := strconv.ParseUint(slotMatch[1], 10, 64)
+		if err != nil {
+			continue
+		}
+
+		count, err := strconv.ParseUint(countMatch[1], 10, 64)
+		if err != nil {
+			continue
+		}
+
+		latestInfo = &e2etypes.CustodyInfoState{
+			EarliestAvailableSlot: primitives.Slot(slot),
+			CustodyGroupCount:     count,
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, errors.Wrap(err, "error reading log file")
+	}
+
+	if latestInfo == nil {
+		return nil, errors.New("no custody info found in log")
+	}
+
+	return latestInfo, nil
+}
+
+// ParseAllCustodyInfoFromLog parses all custody info entries from beacon node log file.
+// Returns a slice of all custody info states in chronological order.
+func ParseAllCustodyInfoFromLog(logPath string) ([]*e2etypes.CustodyInfoState, error) {
+	file, err := os.Open(logPath)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to open log file")
+	}
+	defer func() {
+		if err := file.Close(); err != nil {
+			log.WithError(err).Error("Failed to close log file")
+		}
+	}()
+
+	slotPattern := regexp.MustCompile(`earliestAvailableSlot=(\d+)`)
+	countPattern := regexp.MustCompile(`custodyGroupCount=(\d+)`)
+	updatePattern := regexp.MustCompile(`Updated custody info in database`)
+
+	var allInfo []*e2etypes.CustodyInfoState
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		if !updatePattern.MatchString(line) {
+			continue
+		}
+
+		slotMatch := slotPattern.FindStringSubmatch(line)
+		countMatch := countPattern.FindStringSubmatch(line)
+
+		if len(slotMatch) < 2 || len(countMatch) < 2 {
+			continue
+		}
+
+		slot, err := strconv.ParseUint(slotMatch[1], 10, 64)
+		if err != nil {
+			continue
+		}
+
+		count, err := strconv.ParseUint(countMatch[1], 10, 64)
+		if err != nil {
+			continue
+		}
+
+		allInfo = append(allInfo, &e2etypes.CustodyInfoState{
+			EarliestAvailableSlot: primitives.Slot(slot),
+			CustodyGroupCount:     count,
+		})
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, errors.Wrap(err, "error reading log file")
+	}
+
+	return allInfo, nil
+}
+
+// VerifyCustodyInfoMonotonicity checks that earliestAvailableSlot is monotonically
+// non-decreasing across all custody info updates for a given node.
+// It checks both the current log file and any backup log file (from before restart).
+func VerifyCustodyInfoMonotonicity(logPath string) error {
+	var allInfo []*e2etypes.CustodyInfoState
+
+	// First, try to parse from the pre-restart backup log if it exists
+	// The backup log path follows the pattern: beacon-N-pre-restart.log
+	backupLogPath := logPath[:len(logPath)-4] + "-pre-restart.log" // Replace .log with -pre-restart.log
+	preRestartInfo, err := ParseAllCustodyInfoFromLog(backupLogPath)
+	if err == nil && len(preRestartInfo) > 0 {
+		log.WithField("count", len(preRestartInfo)).Info("Found pre-restart custody info entries")
+		allInfo = append(allInfo, preRestartInfo...)
+	}
+
+	// Then parse from the current log file
+	currentInfo, err := ParseAllCustodyInfoFromLog(logPath)
+	if err != nil {
+		if len(allInfo) == 0 {
+			return err
+		}
+		// If we have pre-restart info but no current info, that's OK
+	} else {
+		allInfo = append(allInfo, currentInfo...)
+	}
+
+	if len(allInfo) < 2 {
+		return nil // Not enough data points to check monotonicity
+	}
+
+	log.WithField("totalEntries", len(allInfo)).Info("Checking custody info monotonicity")
+
+	for i := 1; i < len(allInfo); i++ {
+		if allInfo[i].EarliestAvailableSlot < allInfo[i-1].EarliestAvailableSlot {
+			return fmt.Errorf(
+				"earliestAvailableSlot decreased at update %d: %d -> %d (pre-restart entries: %d)",
+				i, allInfo[i-1].EarliestAvailableSlot, allInfo[i].EarliestAvailableSlot, len(preRestartInfo),
+			)
+		}
+	}
+
+	return nil
+}
--- a/testing/endtoend/evaluators/fork.go
+++ b/testing/endtoend/evaluators/fork.go
@@ -88,11 +88,28 @@ var ElectraForkTransition = e2etypes.Evaluator{
 	Evaluation: electraForkOccurs,
 }

+// FuluForkTransition ensures that the fulu hard fork has occurred successfully
+var FuluForkTransition = e2etypes.Evaluator{
+	Name: "fulu_fork_transition_%d",
+	Policy: func(e primitives.Epoch) bool {
+		// Only run if we started before Fulu
+		if e2etypes.GenesisFork() >= version.Fulu {
+			return false
+		}
+		fEpoch := params.BeaconConfig().FuluForkEpoch
+		return policies.OnEpoch(fEpoch)(e)
+	},
+	Evaluation: fuluForkOccurs,
+}
+
 func altairForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn) error {
+
 	conn := conns[0]
 	client := ethpb.NewBeaconNodeValidatorClient(conn)
+
 	ctx, cancel := context.WithTimeout(context.Background(), streamDeadline)
 	defer cancel()
+
 	stream, err := client.StreamBlocksAltair(ctx, &ethpb.StreamBlocksRequest{VerifiedOnly: true})
 	if err != nil {
 		return errors.Wrap(err, "failed to get stream")
@@ -101,6 +118,7 @@ func altairForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if errors.Is(ctx.Err(), context.Canceled) {
 		return errors.New("context canceled prematurely")
 	}
@@ -121,20 +139,24 @@ func altairForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if err := blocks.BeaconBlockIsNil(blk); err != nil {
 		return err
 	}
 	if blk.Block().Slot() < fSlot {
 		return errors.Errorf("wanted a block >= %d but received %d", fSlot, blk.Block().Slot())
 	}
+
 	return nil
 }

 func bellatrixForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn) error {
 	conn := conns[0]
 	client := ethpb.NewBeaconNodeValidatorClient(conn)
+
 	ctx, cancel := context.WithTimeout(context.Background(), streamDeadline)
 	defer cancel()
+
 	stream, err := client.StreamBlocksAltair(ctx, &ethpb.StreamBlocksRequest{VerifiedOnly: true})
 	if err != nil {
 		return errors.Wrap(err, "failed to get stream")
@@ -143,6 +165,7 @@ func bellatrixForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientCon
 	if err != nil {
 		return err
 	}
+
 	if errors.Is(ctx.Err(), context.Canceled) {
 		return errors.New("context canceled prematurely")
 	}
@@ -166,6 +189,7 @@ func bellatrixForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientCon
 	if err != nil {
 		return err
 	}
+
 	if err := blocks.BeaconBlockIsNil(blk); err != nil {
 		return err
 	}
@@ -188,6 +212,7 @@ func capellaForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if errors.Is(ctx.Err(), context.Canceled) {
 		return errors.New("context canceled prematurely")
 	}
@@ -209,6 +234,7 @@ func capellaForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if err := blocks.BeaconBlockIsNil(blk); err != nil {
 		return err
 	}
@@ -231,6 +257,7 @@ func denebForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn) e
 	if err != nil {
 		return err
 	}
+
 	if errors.Is(ctx.Err(), context.Canceled) {
 		return errors.New("context canceled prematurely")
 	}
@@ -252,6 +279,7 @@ func denebForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn) e
 	if err != nil {
 		return err
 	}
+
 	if err := blocks.BeaconBlockIsNil(blk); err != nil {
 		return err
 	}
@@ -274,6 +302,7 @@ func electraForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if errors.Is(ctx.Err(), context.Canceled) {
 		return errors.New("context canceled prematurely")
 	}
@@ -295,6 +324,7 @@ func electraForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	if err != nil {
 		return err
 	}
+
 	if err := blocks.BeaconBlockIsNil(blk); err != nil {
 		return err
 	}
@@ -303,3 +333,57 @@ func electraForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	}
 	return nil
 }
+
+func fuluForkOccurs(_ *e2etypes.EvaluationContext, conns ...*grpc.ClientConn) error {
+	conn := conns[0]
+	client := ethpb.NewBeaconNodeValidatorClient(conn)
+
+	ctx, cancel := context.WithTimeout(context.Background(), streamDeadline)
+	defer cancel()
+
+	stream, err := client.StreamBlocksAltair(ctx, &ethpb.StreamBlocksRequest{VerifiedOnly: true})
+	if err != nil {
+		return errors.Wrap(err, "failed to get stream")
+	}
+
+	fSlot, err := slots.EpochStart(params.BeaconConfig().FuluForkEpoch)
+	if err != nil {
+		return err
+	}
+
+	if errors.Is(ctx.Err(), context.Canceled) {
+		return errors.New("context canceled prematurely")
+	}
+
+	res, err := stream.Recv()
+	if err != nil {
+		return err
+	}
+
+	if res == nil || res.Block == nil {
+		return errors.New("nil block returned by beacon node")
+	}
+
+	if res.GetBlock() == nil {
+		return errors.New("nil block returned by beacon node")
+	}
+
+	if res.GetFuluBlock() == nil {
+		return errors.Errorf("non-fulu block returned after the fork with type %T", res.Block)
+	}
+
+	blk, err := blocks.NewSignedBeaconBlock(res.GetFuluBlock())
+	if err != nil {
+		return err
+	}
+
+	if err := blocks.BeaconBlockIsNil(blk); err != nil {
+		return err
+	}
+
+	if blk.Block().Slot() < fSlot {
+		return errors.Errorf("wanted a block at slot >= %d but received %d", fSlot, blk.Block().Slot())
+	}
+
+	return nil
+}
--- a/testing/endtoend/evaluators/operations.go
+++ b/testing/endtoend/evaluators/operations.go
@@ -132,7 +132,13 @@ var ValidatorsHaveWithdrawn = e2etypes.Evaluator{
 		// If Capella is disabled (starting at Deneb+), run after withdrawal submission
 		var validWithdrawnEpoch primitives.Epoch
 		if e2etypes.GenesisFork() >= version.Deneb {
-			validWithdrawnEpoch = exitSubmissionEpoch + 2
+			// Exit submitted at exitSubmissionEpoch (7)
+			// Exit epoch = exitSubmissionEpoch + 1 + MAX_SEED_LOOKAHEAD
+			// Withdrawable epoch = exit epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
+			// Add 1 more epoch for the sweep to process
+			exitEpoch := exitSubmissionEpoch + 1 + primitives.Epoch(params.BeaconConfig().MaxSeedLookahead)
+			withdrawableEpoch := exitEpoch + primitives.Epoch(params.BeaconConfig().MinValidatorWithdrawabilityDelay)
+			validWithdrawnEpoch = withdrawableEpoch + 1
 		} else {
 			validWithdrawnEpoch = fEpoch + 1
 		}
@@ -567,6 +573,14 @@ func validatorsVoteWithTheMajority(ec *e2etypes.EvaluationContext, conns ...*grp
 			b := blk.GetBlindedElectraBlock().Message
 			slot = b.Slot
 			vote = b.Body.Eth1Data.BlockHash
+		case *ethpb.BeaconBlockContainer_FuluBlock:
+			b := blk.GetFuluBlock().Block
+			slot = b.Slot
+			vote = b.Body.Eth1Data.BlockHash
+		case *ethpb.BeaconBlockContainer_BlindedFuluBlock:
+			b := blk.GetBlindedFuluBlock().Message
+			slot = b.Slot
+			vote = b.Body.Eth1Data.BlockHash
 		default:
 			return fmt.Errorf("block of type %T is unknown", blk.Block)
 		}
@@ -644,8 +658,12 @@ func submitWithdrawal(ec *e2etypes.EvaluationContext, conns ...*grpc.ClientConn)
 	}
 	changes := make([]*structs.SignedBLSToExecutionChange, 0)
 	// Only send half the number of changes each time, to allow us to test
-	// at the fork boundary.
+	// at the fork boundary. When starting from Deneb+ at genesis, there's no
+	// fork boundary to test so we send all changes.
 	wantedChanges := numOfExits / 2
+	if e2etypes.GenesisFork() >= version.Deneb {
+		wantedChanges = numOfExits
+	}
 	for _, idx := range exitedIndices {
 		// Exit sending more change messages.
 		if len(changes) >= wantedChanges {
--- a/testing/endtoend/evaluators/validator.go
+++ b/testing/endtoend/evaluators/validator.go
@@ -353,6 +353,14 @@ func syncCompatibleBlockFromCtr(container *ethpb.BeaconBlockContainer) (interfac
 	if container.GetBlindedElectraBlock() != nil {
 		return blocks.NewSignedBeaconBlock(container.GetBlindedElectraBlock())
 	}
+
+	if container.GetFuluBlock() != nil {
+		return blocks.NewSignedBeaconBlock(container.GetFuluBlock())
+	}
+
+	if container.GetBlindedFuluBlock() != nil {
+		return blocks.NewSignedBeaconBlock(container.GetBlindedFuluBlock())
+	}
 	return nil, errors.New("no supported block type in container")
 }

--- a/testing/endtoend/minimal_e2e_test.go
+++ b/testing/endtoend/minimal_e2e_test.go
@@ -9,6 +9,6 @@ import (
 )

 func TestEndToEnd_MinimalConfig(t *testing.T) {
-	r := e2eMinimal(t, types.InitForkCfg(version.Bellatrix, version.Electra, params.E2ETestConfig()), types.WithCheckpointSync())
+	r := e2eMinimal(t, types.InitForkCfg(version.Bellatrix, version.Fulu, params.E2ETestConfig()), types.WithCheckpointSync())
 	r.run()
 }
--- a/testing/endtoend/minimal_scenario_e2e_test.go
+++ b/testing/endtoend/minimal_scenario_e2e_test.go
@@ -47,3 +47,34 @@ func TestEndToEnd_ScenarioRun_EEOffline(t *testing.T) {
 	runner.config.EvalInterceptor = runner.eeOffline
 	runner.scenarioRunner()
 }
+
+// TestEndToEnd_PreFuluSemiSupernodeRestart tests the bug where restarting a beacon node
+// with --semi-supernode flag before the Fulu fork causes earliestAvailableSlot to decrease.
+//
+// Bug scenario being tested:
+// 1. Node starts with Fulu scheduled but not active - uses EarliestSlot() for earliestAvailableSlot
+// 2. Validators connect - maintainCustodyInfo() updates earliestAvailableSlot to headSlot (higher)
+// 3. Restart with --semi-supernode (still before Fulu) - EarliestSlot() returns checkpoint slot
+//    BUG: The lower checkpoint slot should NOT overwrite the higher headSlot value
+//
+// The test verifies that earliestAvailableSlot is monotonically non-decreasing.
+func TestEndToEnd_PreFuluSemiSupernodeRestart(t *testing.T) {
+	// Configure with Fulu scheduled at epoch 6
+	// This gives us epochs 0-5 to run the scenario before Fulu activates:
+	// - Epoch 3: Record initial custody info
+	// - Epoch 4: Validators connected, custody info updated
+	// - Epoch 5: Restart with --semi-supernode
+	// - Epoch 6: Fulu activates, verify earliestAvailableSlot did not decrease
+	const fuluForkEpoch = 6
+	cfg := types.InitForkCfgWithFuluAt(version.Electra, fuluForkEpoch, params.E2ETestConfig())
+
+	// Run for enough epochs to complete the test (through Fulu fork + 1 recovery epoch)
+	// Epochs 0-2: warmup, 3-5: scenario phases, 6: verify, 7: recovery
+	// Use checkpoint sync so earliestAvailableSlot starts at a non-zero value
+	runner := e2eMinimal(t, cfg, types.WithEpochs(8), types.WithCheckpointSync())
+
+	// Override for this specific scenario test
+	runner.config.Evaluators = scenarioEvals(cfg)
+	runner.config.EvalInterceptor = runner.preFuluSemiSupernodeRestart
+	runner.scenarioRunner()
+}
--- a/testing/endtoend/types/fork.go
+++ b/testing/endtoend/types/fork.go
@@ -5,10 +5,56 @@ import (
 	"math"

 	"github.com/OffchainLabs/prysm/v7/config/params"
+	"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
 	"github.com/OffchainLabs/prysm/v7/runtime/version"
 	log "github.com/sirupsen/logrus"
 )

+// InitForkCfgWithFuluAt creates a fork config where Fulu is scheduled at a specific epoch.
+// This is used for testing behavior before Fulu activates while still having Fulu scheduled.
+func InitForkCfgWithFuluAt(start int, fuluEpoch primitives.Epoch, c *params.BeaconChainConfig) *params.BeaconChainConfig {
+	c = c.Copy()
+	if start < version.Bellatrix {
+		log.Fatal("E2e tests require starting from Bellatrix or later (pre-merge forks are not supported)")
+	}
+	if start >= version.Altair {
+		c.AltairForkEpoch = 0
+	}
+	if start >= version.Bellatrix {
+		c.BellatrixForkEpoch = 0
+	}
+	if start >= version.Capella {
+		c.CapellaForkEpoch = 0
+	}
+	if start >= version.Deneb {
+		c.DenebForkEpoch = 0
+	}
+	if start >= version.Electra {
+		c.ElectraForkEpoch = 0
+	}
+	// Fulu is scheduled at a specific epoch, not from genesis
+	c.FuluForkEpoch = fuluEpoch
+
+	// Time TTD to line up roughly with the bellatrix fork epoch.
+	ttd := uint64(c.BellatrixForkEpoch) * uint64(c.SlotsPerEpoch) * c.SecondsPerSlot
+	c.TerminalTotalDifficulty = fmt.Sprintf("%d", ttd)
+
+	// Update blob schedule
+	c.BlobSchedule = nil
+	if c.DenebForkEpoch != math.MaxUint64 {
+		c.BlobSchedule = append(c.BlobSchedule, params.BlobScheduleEntry{
+			Epoch: c.DenebForkEpoch, MaxBlobsPerBlock: uint64(c.DeprecatedMaxBlobsPerBlock),
+		})
+	}
+	if c.ElectraForkEpoch != math.MaxUint64 {
+		c.BlobSchedule = append(c.BlobSchedule, params.BlobScheduleEntry{
+			Epoch: c.ElectraForkEpoch, MaxBlobsPerBlock: uint64(c.DeprecatedMaxBlobsPerBlockElectra),
+		})
+	}
+	c.InitializeForkSchedule()
+	return c
+}
+
 func InitForkCfg(start, end int, c *params.BeaconChainConfig) *params.BeaconChainConfig {
 	c = c.Copy()
 	if end < start {
--- a/testing/endtoend/types/types.go
+++ b/testing/endtoend/types/types.go
@@ -95,6 +95,9 @@ type E2EConfig struct {
 func GenesisFork() int {
 	cfg := params.BeaconConfig()
 	// Check from highest fork to lowest to find the genesis fork.
+	if cfg.FuluForkEpoch == 0 {
+		return version.Fulu
+	}
 	if cfg.ElectraForkEpoch == 0 {
 		return version.Electra
 	}
@@ -149,6 +152,14 @@ type EvaluationContext struct {
 	ExitedVals           map[[48]byte]bool
 	SeenVotes            map[primitives.Slot][]byte
 	ExpectedEth1DataVote []byte
+	// CustodyInfo tracks custody info state for each node index
+	CustodyInfo map[int]*CustodyInfoState
+}
+
+// CustodyInfoState tracks custody info for verification in e2e tests.
+type CustodyInfoState struct {
+	EarliestAvailableSlot primitives.Slot
+	CustodyGroupCount     uint64
 }

 // NewEvaluationContext handles initializing internal datastructures (like maps) provided by the EvaluationContext.
@@ -157,6 +168,7 @@ func NewEvaluationContext(d DepositBalancer) *EvaluationContext {
 		DepositBalancer: d,
 		ExitedVals:      make(map[[48]byte]bool),
 		SeenVotes:       make(map[primitives.Slot][]byte),
+		CustodyInfo:     make(map[int]*CustodyInfoState),
 	}
 }

@@ -205,3 +217,13 @@ type BeaconNodeSet interface {
 	// SetENR provides the relevant bootnode's enr to the beacon nodes.
 	SetENR(enr string)
 }
+
+// RestartableBeaconNodeSet extends BeaconNodeSet with the ability to restart
+// individual nodes with different flags.
+type RestartableBeaconNodeSet interface {
+	MultipleComponentRunners
+	BeaconNodeSet
+	// RestartAtIndex stops the beacon node at the given index and restarts it
+	// with the provided extra flags appended to the existing configuration.
+	RestartAtIndex(ctx context.Context, i int, extraFlags []string) error
+}
--- a/third_party/com_github_consensys_gnark_crypto.patch
+++ b/third_party/com_github_consensys_gnark_crypto.patch
@@ -0,0 +1,171 @@
+diff --git a/ecc/bls12-381/fp/BUILD.bazel b/ecc/bls12-381/fp/BUILD.bazel
+index 4d57841..5b1dec4 100644
+--- a/ecc/bls12-381/fp/BUILD.bazel
+++ b/ecc/bls12-381/fp/BUILD.bazel
+@@ -7,15 +7,21 @@ go_library(
+         "arith.go",
+         "doc.go",
+         "element.go",
+-        "element_amd64.go",
+-        "element_amd64.s",
+-        "element_arm64.go",
+-        "element_arm64.s",
+         "element_exp.go",
+         "element_purego.go",
+         "vector.go",
+         "vector_purego.go",
+-    ],
+    ] + select({
+        "@io_bazel_rules_go//go/platform:amd64": [
+          "element_amd64.go",
+          "//field/asm/element_6w:element_6w_amd64"
+        ],
+        "@io_bazel_rules_go//go/platform:arm64": [
+          "element_arm64.go",
+          "//field/asm/element_6w:element_6w_arm64"
+        ],
+        "//conditions:default": [],
+    }),
+     importpath = "github.com/consensys/gnark-crypto/ecc/bls12-381/fp",
+     visibility = ["//visibility:public"],
+     deps = [
+diff --git a/ecc/bls12-381/fr/BUILD.bazel b/ecc/bls12-381/fr/BUILD.bazel
+index e24b29b..6beeb04 100644
+--- a/ecc/bls12-381/fr/BUILD.bazel
+++ b/ecc/bls12-381/fr/BUILD.bazel
+@@ -7,17 +7,24 @@ go_library(
+         "arith.go",
+         "doc.go",
+         "element.go",
+-        "element_amd64.go",
+-        "element_amd64.s",
+-        "element_arm64.go",
+-        "element_arm64.s",
+         "element_exp.go",
+         "element_purego.go",
+         "generator.go",
+         "vector.go",
+-        "vector_amd64.go",
+         "vector_purego.go",
+-    ],
+    ] + select({
+        "@io_bazel_rules_go//go/platform:amd64": [
+          "element_amd64.go",
+          "//field/asm/element_4w:element_4w_amd64",
+          "vector_amd64.go",
+        ],
+        "@io_bazel_rules_go//go/platform:arm64": [
+          "element_arm64.go",
+          "//field/asm/element_4w:element_4w_arm64"
+        ],
+        "//conditions:default": [],
+    }),
+
+     importpath = "github.com/consensys/gnark-crypto/ecc/bls12-381/fr",
+     visibility = ["//visibility:public"],
+     deps = [
+diff --git a/field/asm/element_4w/BUILD.bazel b/field/asm/element_4w/BUILD.bazel
+index ef0882d..975e6f9 100644
+--- a/field/asm/element_4w/BUILD.bazel
+++ b/field/asm/element_4w/BUILD.bazel
+@@ -16,3 +16,15 @@ alias(
+     actual = ":element_4w",
+     visibility = ["//visibility:public"],
+ )
+
+filegroup(
+    name = "element_4w_amd64",
+    srcs = ["element_4w_amd64.s"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "element_4w_arm64",
+    srcs = ["element_4w_arm64.s"],
+    visibility = ["//visibility:public"],
+)
+diff --git a/field/asm/element_6w/BUILD.bazel b/field/asm/element_6w/BUILD.bazel
+index fbbe81c..fd99a62 100644
+--- a/field/asm/element_6w/BUILD.bazel
+++ b/field/asm/element_6w/BUILD.bazel
+@@ -16,3 +16,15 @@ alias(
+     actual = ":element_6w",
+     visibility = ["//visibility:public"],
+ )
+
+filegroup(
+    name = "element_6w_amd64",
+    srcs = ["element_6w_amd64.s"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "element_6w_arm64",
+    srcs = ["element_6w_arm64.s"],
+    visibility = ["//visibility:public"],
+)
+diff -urN gnark-patch-a/ecc/bn254/fp/BUILD.bazel gnark-patch-b/ecc/bn254/fp/BUILD.bazel
+--- gnark-patch-a/ecc/bn254/fp/BUILD.bazel	2025-11-19 13:10:39
+++ gnark-patch-b/ecc/bn254/fp/BUILD.bazel	2025-11-19 13:08:50
+@@ -7,16 +7,22 @@
+         "arith.go",
+         "doc.go",
+         "element.go",
+-        "element_amd64.go",
+-        "element_amd64.s",
+-        "element_arm64.go",
+-        "element_arm64.s",
+         "element_exp.go",
+         "element_purego.go",
+         "vector.go",
+-        "vector_amd64.go",
+         "vector_purego.go",
+-    ],
+    ] + select({
+        "@io_bazel_rules_go//go/platform:amd64": [
+            "element_amd64.go",
+            "//field/asm/element_4w:element_4w_amd64",
+            "vector_amd64.go",
+        ],
+        "@io_bazel_rules_go//go/platform:arm64": [
+            "element_arm64.go",
+            "//field/asm/element_4w:element_4w_arm64",
+        ],
+        "//conditions:default": [],
+    }),
+     importpath = "github.com/consensys/gnark-crypto/ecc/bn254/fp",
+     visibility = ["//visibility:public"],
+     deps = [
+diff -urN gnark-patch-a/ecc/bn254/fr/BUILD.bazel gnark-patch-b/ecc/bn254/fr/BUILD.bazel
+--- gnark-patch-a/ecc/bn254/fr/BUILD.bazel	2025-11-19 13:10:39
+++ gnark-patch-b/ecc/bn254/fr/BUILD.bazel	2025-11-19 13:08:55
+@@ -7,17 +7,23 @@
+         "arith.go",
+         "doc.go",
+         "element.go",
+-        "element_amd64.go",
+-        "element_amd64.s",
+-        "element_arm64.go",
+-        "element_arm64.s",
+         "element_exp.go",
+         "element_purego.go",
+         "generator.go",
+         "vector.go",
+-        "vector_amd64.go",
+         "vector_purego.go",
+-    ],
+    ] + select({
+        "@io_bazel_rules_go//go/platform:amd64": [
+            "element_amd64.go",
+            "//field/asm/element_4w:element_4w_amd64",
+            "vector_amd64.go",
+        ],
+        "@io_bazel_rules_go//go/platform:arm64": [
+            "element_arm64.go",
+            "//field/asm/element_4w:element_4w_arm64",
+        ],
+        "//conditions:default": [],
+    }),
+     importpath = "github.com/consensys/gnark-crypto/ecc/bn254/fr",
+     visibility = ["//visibility:public"],
+     deps = [
--- a/tools/go/def.bzl
+++ b/tools/go/def.bzl
@@ -8,7 +8,7 @@ def _go_test_transition_impl(settings, attr):

    if attr.eth_network == "minimal":
        settings["//proto:network"] = "minimal"
-        settings["@io_bazel_rules_go//go/config:tags"] = ["minimal"] + settings["@io_bazel_rules_go//go/config:tags"] 
+        settings["@io_bazel_rules_go//go/config:tags"] = ["minimal"] + settings["@io_bazel_rules_go//go/config:tags"]
    elif attr.eth_network == "mainnet":  # Default / optional
        settings["//proto:network"] = "mainnet"
        settings["@io_bazel_rules_go//go/config:tags"] = ["mainnet"] + settings["@io_bazel_rules_go//go/config:tags"]
Author	SHA1	Message	Date
james-prysm	4a6f470dd2	Fix earliestAvailableSlot going backwards on custody increase	2025-12-16 11:09:57 -06:00
james-prysm	4e0bfada17	Add e2e test for earliestAvailableSlot regression	2025-12-16 11:09:44 -06:00
james-prysm	8a37575407	gaz	2025-12-15 13:03:25 -06:00
james-prysm	0b1d4c485d	Merge branch 'develop' into fulu-e2e	2025-12-15 10:57:28 -08:00
james-prysm	0d04013443	more reverals removing e2e build"	2025-12-15 12:56:28 -06:00
james-prysm	2fbcbea550	reverting changes adding e2e field params and custom build	2025-12-15 12:37:25 -06:00
james-prysm	5a49dcabb6	fixing test	2025-12-15 10:12:35 -06:00
james-prysm	d0580debf6	Merge branch 'develop' into fulu-e2e	2025-12-15 06:36:18 -08:00
james-prysm	869a6586ff	removing e2e field params based on feedback	2025-12-12 16:35:28 -06:00
james-prysm	0b47ac51f7	fixing starting post deneb	2025-12-03 12:09:56 -06:00
james-prysm	75916243f2	adding support to start from fulu fork	2025-12-03 09:40:47 -06:00
james-prysm	b499186483	fixing evaluator to match others	2025-12-03 08:50:37 -06:00
james-prysm	cb28503b5f	fixing e2e	2025-12-02 12:25:14 -06:00
james-prysm	48fd9509ef	fixing import issue after merge	2025-12-02 08:47:32 -06:00
james-prysm	316f0932ff	Merge branch 'develop' into fulu-e2e	2025-12-02 06:36:55 -08:00
james-prysm	7f321a5835	Update changelog/james-prysm_fulu-e2e.md Co-authored-by: Radosław Kapka <rkapka@wp.pl>	2025-12-02 08:22:24 -06:00
james-prysm	1b302219a8	Update runtime/interop/genesis.go Co-authored-by: Radosław Kapka <rkapka@wp.pl>	2025-12-02 08:18:53 -06:00
james-prysm	e36c7ec26e	Update testing/endtoend/components/eth1/transactions.go Co-authored-by: Radosław Kapka <rkapka@wp.pl>	2025-12-02 08:18:45 -06:00
james-prysm	8df746cead	Update testing/endtoend/components/eth1/transactions.go Co-authored-by: Radosław Kapka <rkapka@wp.pl>	2025-12-02 08:18:34 -06:00
james-prysm	4294025eed	Update ssz_proto_library.bzl Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>	2025-12-01 21:59:53 -08:00
james-prysm	41e336d373	Merge branch 'develop' into fulu-e2e	2025-11-25 12:43:24 -08:00
james-prysm	86cb003b8e	removing unneeded change	2025-11-20 09:16:28 -06:00
james-prysm	853d64f8f9	fix gosec	2025-11-19 22:46:33 -06:00
james-prysm	6dd11aaa2d	found better solution just removing the library, updated changelog and removed transition code	2025-11-19 22:26:46 -06:00
james-prysm	f1d4f6d136	updating third party gosec ignore	2025-11-19 19:40:15 -06:00
james-prysm	c5690a7eb6	Merge branch 'develop' into fulu-e2e	2025-11-19 16:17:12 -08:00
james-prysm	edf60e6e33	gaz	2025-11-19 18:16:53 -06:00
james-prysm	ad022eead9	resolving more build issues	2025-11-19 18:15:59 -06:00
james-prysm	409b48940d	gaz	2025-11-19 16:53:06 -06:00
james-prysm	64324211b8	attempting to fix ci	2025-11-19 16:50:51 -06:00
james-prysm	5531014a75	gaz	2025-11-19 16:33:54 -06:00
james-prysm	80dc3d953d	trying to fix gobuild by moving fuzzyvm to third party build	2025-11-19 16:30:13 -06:00
james-prysm	d175bd93ba	Merge branch 'develop' into fulu-e2e	2025-11-19 14:05:22 -08:00
james-prysm	4419a36cc2	fixing and updating go ethereum to 1.16.7	2025-11-19 16:04:55 -06:00
james-prysm	0176706fad	Merge branch 'develop' into fulu-e2e	2025-11-19 08:42:42 -08:00
james-prysm	df307544c9	Merge branch 'develop' into fulu-e2e	2025-11-17 13:31:24 -08:00
james-prysm	10821dc451	Merge branch 'develop' into fulu-e2e	2025-10-07 14:54:07 -05:00
james-prysm	4706b758dd	Merge branch 'develop' into fulu-e2e	2025-10-07 14:48:06 -05:00
james-prysm	9f59b78cec	updating dependency	2025-10-07 11:43:46 -05:00
james-prysm	75d8a2bdb6	Merge branch 'develop' into fulu-e2e	2025-10-07 11:35:33 -05:00
james-prysm	ca4ae35f6e	fixing comment	2025-09-26 10:50:42 -05:00
james-prysm	3245b884cf	Merge branch 'develop' into fulu-e2e	2025-09-26 10:41:31 -05:00
james-prysm	00e66ccab6	more review feedback	2025-09-26 10:40:39 -05:00
james-prysm	ed1885be8a	fixing log	2025-09-26 10:35:34 -05:00
james-prysm	fad101c4a0	Update testing/endtoend/components/eth1/transactions.go Co-authored-by: Manu NALEPA <enalepa@offchainlabs.com>	2025-09-26 10:32:45 -05:00
james-prysm	1c0107812b	some review	2025-09-26 09:55:03 -05:00
james-prysm	fd710886c8	Merge branch 'develop' into fulu-e2e	2025-09-26 08:34:36 -05:00
james-prysm	20d6bacfe9	Update testing/endtoend/components/eth1/transactions.go Co-authored-by: Manu NALEPA <enalepa@offchainlabs.com>	2025-09-26 08:30:11 -05:00
james-prysm	1140141aaa	Merge branch 'develop' into fulu-e2e	2025-09-25 13:26:53 -05:00
james-prysm	7402efad2d	fixing even more linting	2025-09-25 11:56:26 -05:00
james-prysm	f6cd1d9f7f	more linting	2025-09-25 11:43:59 -05:00
james-prysm	a4751b057d	even more linting issues	2025-09-25 11:29:21 -05:00
james-prysm	eb5e2a5094	Merge branch 'develop' into fulu-e2e	2025-09-25 10:59:50 -05:00
james-prysm	626830ff9c	more linting fixes	2025-09-25 10:59:30 -05:00
james-prysm	6f20ac57d4	attempting to fix linting	2025-09-25 10:07:54 -05:00
james-prysm	cf4095cf3b	fixing some linting	2025-09-25 09:19:35 -05:00
james-prysm	39b3dba946	Merge branch 'develop' into fulu-e2e	2025-09-25 08:50:34 -05:00
james-prysm	fa7e0b6e50	Merge branch 'develop' into fulu-e2e	2025-09-24 14:43:28 -05:00
james-prysm	4aed113dea	Merge branch 'develop' into fulu-e2e	2025-09-24 13:51:01 -05:00
james-prysm	20ffd4c523	fixing linting	2025-09-24 13:50:51 -05:00
james-prysm	1cd3c3cc2d	upgrading size to enormous	2025-09-24 12:55:42 -05:00
james-prysm	15e2e6b85e	trying to fix remaining e2e issues	2025-09-24 12:54:36 -05:00
james-prysm	203a098076	adding go ethereum update to changelog	2025-09-23 16:45:35 -05:00
james-prysm	9e5b7b00f3	Merge branch 'develop' into fulu-e2e	2025-09-23 16:30:32 -05:00
james-prysm	1fcf3c7f30	adding new e2e type for build so that we can control the end to end tests	2025-09-23 16:30:11 -05:00
james-prysm	ccf81ed33c	fixing test	2025-09-23 14:45:11 -05:00
james-prysm	382934fd30	Merge branch 'develop' into fulu-e2e	2025-09-23 12:56:58 -05:00
james-prysm	c31f0435c6	adjusting transations to avoid execution client issue	2025-09-23 11:06:10 -05:00
james-prysm	59dc0263f2	Merge branch 'develop' into fulu-e2e	2025-09-22 10:20:53 -05:00
james-prysm	de7ea1f72c	Merge branch 'develop' into fulu-e2e	2025-09-19 16:37:29 -05:00
james-prysm	2fc7a5af82	Merge branch 'develop' into fulu-e2e	2025-09-19 10:55:29 -05:00
james-prysm	76d137198b	Merge branch 'develop' into fulu-e2e	2025-09-18 15:32:51 -05:00
james-prysm	05d8ce15af	Merge branch 'develop' into fulu-e2e	2025-09-17 14:07:05 -05:00
james-prysm	2715cd3fc7	Merge branch 'develop' into fulu-e2e	2025-09-11 14:35:58 -05:00
james-prysm	7aa79a420c	Merge branch 'develop' into fulu-e2e	2025-09-08 15:43:41 -05:00
james-prysm	b3dc7e4afb	changelog	2025-09-08 15:26:44 -05:00
james-prysm	db794db4ee	gofmt	2025-09-08 15:22:13 -05:00
james-prysm	f9bc42eed4	go mod tidy	2025-09-08 15:16:00 -05:00
james-prysm	f97082df32	fixing missing fulu from evaluators	2025-09-08 09:14:48 -05:00
james-prysm	0d55b61b3d	adding fulu support for validator	2025-09-05 14:10:00 -05:00
Preston Van Loon	d487e5c109	Fixed some build issues for gnark. There may be more but Prysm builds.	2025-09-05 12:10:55 -05:00
james-prysm	7ffbf77b87	updating dependency wip	2025-09-04 15:15:58 -05:00
james-prysm	f103267f10	updating genesis file	2025-09-03 23:29:45 -05:00
james-prysm	6f0ffa2a20	updating goethereum to temp use fusaka devnet 3 and updating genesis helpers	2025-09-03 14:11:15 -05:00
james-prysm	bcb5add346	updating goethereum version	2025-09-03 11:35:36 -05:00
james-prysm	a43fc50015	wip	2025-08-27 13:56:31 -05:00