Merge pull request #2705 from will-2012/perf-pbssbsc

perf: add db metrics
Merge remote-tracking branch 'bsc/versa_base' into perf-pbssbsc
2024-09-19 11:16:10 +08:00 · 2024-09-14 10:09:16 +08:00 · 2024-09-14 10:06:38 +08:00 · 2024-09-06 14:06:12 +08:00 · 2024-09-06 11:04:37 +08:00 · 2024-09-04 10:20:47 +08:00
144 changed files with 743 additions and 2812 deletions
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -125,25 +125,25 @@ jobs:
      # ==============================

      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: linux
          path: ./linux
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: macos
          path: ./macos
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: windows
          path: ./windows
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: arm64
          path: ./arm64
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -124,25 +124,25 @@ jobs:
      # ==============================

      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: linux
          path: ./linux
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: macos
          path: ./macos
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: windows
          path: ./windows
      
      - name: Download Artifacts
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
        with:
          name: arm64
          path: ./arm64
--- a/.nancy-ignore
+++ b/.nancy-ignore
@@ -1,3 +1,2 @@
 CVE-2024-34478 # "CWE-754: Improper Check for Unusual or Exceptional Conditions." This vulnerability is BTC only, BSC does not have the issue.
 CVE-2024-6104 # "CWE-532: Information Exposure Through Log Files" This is caused by the vulnerabilities go-retryablehttp@v0.7.4, it is only used in cmd devp2p, impact is limited. will upgrade to v0.7.7 later
-CVE-2024-8421 # "CWE-400: Uncontrolled Resource Consumption (Resource Exhaustion)" This vulnerability is caused by issues in the golang.org/x/net package. Even the latest version(v0.29.0) has not yet addressed it, but we will continue to monitor updates closely.
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,48 +1,4 @@
 # Changelog
-## v1.4.14
-
-### BUGFIX
-* [\#2643](https://github.com/bnb-chain/bsc/pull/2643)core: fix cache for receipts
-* [\#2656](https://github.com/bnb-chain/bsc/pull/2656)ethclient: fix BlobSidecars api
-* [\#2657](https://github.com/bnb-chain/bsc/pull/2657)fix: update prunefreezer’s offset when pruneancient and the dataset has pruned block
-
-### FEATURE
-* [\#2661](https://github.com/bnb-chain/bsc/pull/2661)config: setup Mainnet 2 hardfork date: HaberFix & Bohr
-
-### IMPROVEMENT
-* [\#2578](https://github.com/bnb-chain/bsc/pull/2578)core/systemcontracts: use vm.StateDB in UpgradeBuildInSystemContract
-* [\#2649](https://github.com/bnb-chain/bsc/pull/2649)internal/debug: remove memsize
-* [\#2655](https://github.com/bnb-chain/bsc/pull/2655)internal/ethapi: make GetFinalizedHeader monotonically increasing
-* [\#2658](https://github.com/bnb-chain/bsc/pull/2658)core: improve readability of the fork choice logic
-* [\#2665](https://github.com/bnb-chain/bsc/pull/2665)faucet: bump and resend faucet transaction if it has been pending for a while
-
-## v1.4.13
-
-### BUGFIX
-* [\#2602](https://github.com/bnb-chain/bsc/pull/2602) fix: prune-state when specify --triesInMemory 32
-* [\#2579](https://github.com/bnb-chain/bsc/pull/00025790) fix: only take non-mempool tx to calculate bid price
-
-### FEATURE
-* [\#2634](https://github.com/bnb-chain/bsc/pull/2634) config: setup Testnet Bohr hardfork date
-* [\#2482](https://github.com/bnb-chain/bsc/pull/2482) BEP-341: Validators can produce consecutive blocks
-* [\#2502](https://github.com/bnb-chain/bsc/pull/2502) BEP-402: Complete Missing Fields in Block Header to Generate Signature
-* [\#2558](https://github.com/bnb-chain/bsc/pull/2558) BEP-404: Clear Miner History when Switching Validators Set
-* [\#2605](https://github.com/bnb-chain/bsc/pull/2605) feat: add bohr upgrade contracts bytecode
-* [\#2614](https://github.com/bnb-chain/bsc/pull/2614) fix: update stakehub bytecode after zero address agent issue fixed
-* [\#2608](https://github.com/bnb-chain/bsc/pull/2608) consensus/parlia: modify mining time for last block in one turn
-* [\#2618](https://github.com/bnb-chain/bsc/pull/2618) consensus/parlia: exclude inturn validator when calculate backoffTime
-* [\#2621](https://github.com/bnb-chain/bsc/pull/2621) core: not record zero hash beacon block root with Parlia engine
-
-### IMPROVEMENT
-* [\#2589](https://github.com/bnb-chain/bsc/pull/2589) core/vote: vote before committing state and writing block
-* [\#2596](https://github.com/bnb-chain/bsc/pull/2596) core: improve the network stability when double sign happens
-* [\#2600](https://github.com/bnb-chain/bsc/pull/2600) core: cache block after wroten into db
-* [\#2629](https://github.com/bnb-chain/bsc/pull/2629) utils: add GetTopAddr to analyse large traffic
-* [\#2591](https://github.com/bnb-chain/bsc/pull/2591) consensus/parlia: add GetJustifiedNumber and GetFinalizedNumber
-* [\#2611](https://github.com/bnb-chain/bsc/pull/2611) cmd/utils: add new flag OverridePassedForkTime
-* [\#2603](https://github.com/bnb-chain/bsc/pull/2603) faucet: rate limit initial implementation
-* [\#2622](https://github.com/bnb-chain/bsc/pull/2622) tests: fix evm-test CI
-* [\#2628](https://github.com/bnb-chain/bsc/pull/2628) Makefile: use docker compose v2 instead of v1

 ## v1.4.12

@@ -79,6 +35,7 @@
 * [\#2534](https://github.com/bnb-chain/bsc/pull/2534) fix: nil pointer when clear simulating bid
 * [\#2535](https://github.com/bnb-chain/bsc/pull/2535) upgrade: add HaberFix hardfork

+
 ## v1.4.10
 ### FEATURE
 NA
--- a/13
+++ b/13
@@ -17,11 +17,6 @@ geth:
 	@echo "Done building."
 	@echo "Run \"$(GOBIN)/geth\" to launch geth."

-#? faucet: Build faucet
-faucet:
-	$(GORUN) build/ci.go install ./cmd/faucet
-	@echo "Done building faucet"
-
 #? all: Build all packages and executables
 all:
 	$(GORUN) build/ci.go install
@@ -34,11 +29,11 @@ truffle-test:
 	docker build . -f ./docker/Dockerfile --target bsc-genesis -t bsc-genesis
 	docker build . -f ./docker/Dockerfile --target bsc -t bsc
 	docker build . -f ./docker/Dockerfile.truffle -t truffle-test
-	docker compose -f ./tests/truffle/docker-compose.yml up genesis
-	docker compose -f ./tests/truffle/docker-compose.yml up -d bsc-rpc bsc-validator1
+	docker-compose -f ./tests/truffle/docker-compose.yml up genesis
+	docker-compose -f ./tests/truffle/docker-compose.yml up -d bsc-rpc bsc-validator1
 	sleep 30
-	docker compose -f ./tests/truffle/docker-compose.yml up --exit-code-from truffle-test truffle-test
-	docker compose -f ./tests/truffle/docker-compose.yml down
+	docker-compose -f ./tests/truffle/docker-compose.yml up --exit-code-from truffle-test truffle-test
+	docker-compose -f ./tests/truffle/docker-compose.yml down

 #? lint: Run certain pre-selected linters
 lint: ## Run linters.
--- a/beacon/fakebeacon/api_func.go
+++ b/beacon/fakebeacon/api_func.go
@@ -1,87 +0,0 @@
-package fakebeacon
-
-import (
-	"context"
-	"sort"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/crypto/kzg4844"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-type BlobSidecar struct {
-	Blob          kzg4844.Blob       `json:"blob"`
-	Index         int                `json:"index"`
-	KZGCommitment kzg4844.Commitment `json:"kzg_commitment"`
-	KZGProof      kzg4844.Proof      `json:"kzg_proof"`
-}
-
-type APIGetBlobSidecarsResponse struct {
-	Data []*BlobSidecar `json:"data"`
-}
-
-type ReducedGenesisData struct {
-	GenesisTime string `json:"genesis_time"`
-}
-
-type APIGenesisResponse struct {
-	Data ReducedGenesisData `json:"data"`
-}
-
-type ReducedConfigData struct {
-	SecondsPerSlot string `json:"SECONDS_PER_SLOT"`
-}
-
-type IndexedBlobHash struct {
-	Index int         // absolute index in the block, a.k.a. position in sidecar blobs array
-	Hash  common.Hash // hash of the blob, used for consistency checks
-}
-
-func configSpec() ReducedConfigData {
-	return ReducedConfigData{SecondsPerSlot: "1"}
-}
-
-func beaconGenesis() APIGenesisResponse {
-	return APIGenesisResponse{Data: ReducedGenesisData{GenesisTime: "0"}}
-}
-
-func beaconBlobSidecars(ctx context.Context, backend ethapi.Backend, slot uint64, indices []int) (APIGetBlobSidecarsResponse, error) {
-	var blockNrOrHash rpc.BlockNumberOrHash
-	header, err := fetchBlockNumberByTime(ctx, int64(slot), backend)
-	if err != nil {
-		log.Error("Error fetching block number", "slot", slot, "indices", indices)
-		return APIGetBlobSidecarsResponse{}, err
-	}
-	sideCars, err := backend.GetBlobSidecars(ctx, header.Hash())
-	if err != nil {
-		log.Error("Error fetching Sidecars", "blockNrOrHash", blockNrOrHash, "err", err)
-		return APIGetBlobSidecarsResponse{}, err
-	}
-	sort.Ints(indices)
-	fullBlob := len(indices) == 0
-	res := APIGetBlobSidecarsResponse{}
-	idx := 0
-	curIdx := 0
-	for _, sideCar := range sideCars {
-		for i := 0; i < len(sideCar.Blobs); i++ {
-			//hash := kZGToVersionedHash(sideCar.Commitments[i])
-			if !fullBlob && curIdx >= len(indices) {
-				break
-			}
-			if fullBlob || idx == indices[curIdx] {
-				res.Data = append(res.Data, &BlobSidecar{
-					Index:         idx,
-					Blob:          sideCar.Blobs[i],
-					KZGCommitment: sideCar.Commitments[i],
-					KZGProof:      sideCar.Proofs[i],
-				})
-				curIdx++
-			}
-			idx++
-		}
-	}
-
-	return res, nil
-}
--- a/beacon/fakebeacon/handlers.go
+++ b/beacon/fakebeacon/handlers.go
@@ -1,88 +0,0 @@
-package fakebeacon
-
-import (
-	"fmt"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-
-	"github.com/prysmaticlabs/prysm/v5/api/server/structs"
-	field_params "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
-	"github.com/prysmaticlabs/prysm/v5/network/httputil"
-)
-
-var (
-	versionMethod        = "/eth/v1/node/version"
-	specMethod           = "/eth/v1/config/spec"
-	genesisMethod        = "/eth/v1/beacon/genesis"
-	sidecarsMethodPrefix = "/eth/v1/beacon/blob_sidecars/{slot}"
-)
-
-func VersionMethod(w http.ResponseWriter, r *http.Request) {
-	resp := &structs.GetVersionResponse{
-		Data: &structs.Version{
-			Version: "",
-		},
-	}
-	httputil.WriteJson(w, resp)
-}
-
-func SpecMethod(w http.ResponseWriter, r *http.Request) {
-	httputil.WriteJson(w, &structs.GetSpecResponse{Data: configSpec()})
-}
-
-func GenesisMethod(w http.ResponseWriter, r *http.Request) {
-	httputil.WriteJson(w, beaconGenesis())
-}
-
-func (s *Service) SidecarsMethod(w http.ResponseWriter, r *http.Request) {
-	indices, err := parseIndices(r.URL)
-	if err != nil {
-		httputil.HandleError(w, err.Error(), http.StatusBadRequest)
-		return
-	}
-	segments := strings.Split(r.URL.Path, "/")
-	slot, err := strconv.ParseUint(segments[len(segments)-1], 10, 64)
-	if err != nil {
-		httputil.HandleError(w, "not a valid slot(timestamp)", http.StatusBadRequest)
-		return
-	}
-
-	resp, err := beaconBlobSidecars(r.Context(), s.backend, slot, indices)
-	if err != nil {
-		httputil.HandleError(w, err.Error(), http.StatusBadRequest)
-		return
-	}
-	httputil.WriteJson(w, resp)
-}
-
-// parseIndices filters out invalid and duplicate blob indices
-func parseIndices(url *url.URL) ([]int, error) {
-	rawIndices := url.Query()["indices"]
-	indices := make([]int, 0, field_params.MaxBlobsPerBlock)
-	invalidIndices := make([]string, 0)
-loop:
-	for _, raw := range rawIndices {
-		ix, err := strconv.Atoi(raw)
-		if err != nil {
-			invalidIndices = append(invalidIndices, raw)
-			continue
-		}
-		if ix >= field_params.MaxBlobsPerBlock {
-			invalidIndices = append(invalidIndices, raw)
-			continue
-		}
-		for i := range indices {
-			if ix == indices[i] {
-				continue loop
-			}
-		}
-		indices = append(indices, ix)
-	}
-
-	if len(invalidIndices) > 0 {
-		return nil, fmt.Errorf("requested blob indices %v are invalid", invalidIndices)
-	}
-	return indices, nil
-}
--- a/beacon/fakebeacon/server.go
+++ b/beacon/fakebeacon/server.go
@@ -1,97 +0,0 @@
-package fakebeacon
-
-import (
-	"net/http"
-	"strconv"
-
-	"github.com/ethereum/go-ethereum/internal/ethapi"
-	"github.com/gorilla/mux"
-	"github.com/prysmaticlabs/prysm/v5/api/server"
-)
-
-const (
-	DefaultAddr = "localhost"
-	DefaultPort = 8686
-)
-
-type Config struct {
-	Enable bool
-	Addr   string
-	Port   int
-}
-
-func defaultConfig() *Config {
-	return &Config{
-		Enable: false,
-		Addr:   DefaultAddr,
-		Port:   DefaultPort,
-	}
-}
-
-type Service struct {
-	cfg     *Config
-	router  *mux.Router
-	backend ethapi.Backend
-}
-
-func NewService(cfg *Config, backend ethapi.Backend) *Service {
-	cfgs := defaultConfig()
-	if cfg.Addr != "" {
-		cfgs.Addr = cfg.Addr
-	}
-	if cfg.Port > 0 {
-		cfgs.Port = cfg.Port
-	}
-
-	s := &Service{
-		cfg:     cfgs,
-		backend: backend,
-	}
-	router := s.newRouter()
-	s.router = router
-	return s
-}
-
-func (s *Service) Run() {
-	_ = http.ListenAndServe(s.cfg.Addr+":"+strconv.Itoa(s.cfg.Port), s.router)
-}
-
-func (s *Service) newRouter() *mux.Router {
-	r := mux.NewRouter()
-	r.Use(server.NormalizeQueryValuesHandler)
-	for _, e := range s.endpoints() {
-		r.HandleFunc(e.path, e.handler).Methods(e.methods...)
-	}
-	return r
-}
-
-type endpoint struct {
-	path    string
-	handler http.HandlerFunc
-	methods []string
-}
-
-func (s *Service) endpoints() []endpoint {
-	return []endpoint{
-		{
-			path:    versionMethod,
-			handler: VersionMethod,
-			methods: []string{http.MethodGet},
-		},
-		{
-			path:    specMethod,
-			handler: SpecMethod,
-			methods: []string{http.MethodGet},
-		},
-		{
-			path:    genesisMethod,
-			handler: GenesisMethod,
-			methods: []string{http.MethodGet},
-		},
-		{
-			path:    sidecarsMethodPrefix,
-			handler: s.SidecarsMethod,
-			methods: []string{http.MethodGet},
-		},
-	}
-}
--- a/beacon/fakebeacon/server_test.go
+++ b/beacon/fakebeacon/server_test.go
@@ -1,90 +0,0 @@
-package fakebeacon
-
-import (
-	"context"
-	"fmt"
-	"strconv"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-//
-//func TestFetchBlockNumberByTime(t *testing.T) {
-//	blockNum, err := fetchBlockNumberByTime(context.Background(), 1724052941, client)
-//	assert.Nil(t, err)
-//	assert.Equal(t, uint64(41493946), blockNum)
-//
-//	blockNum, err = fetchBlockNumberByTime(context.Background(), 1734052941, client)
-//	assert.Equal(t, err, errors.New("time too large"))
-//
-//	blockNum, err = fetchBlockNumberByTime(context.Background(), 1600153618, client)
-//	assert.Nil(t, err)
-//	assert.Equal(t, uint64(493946), blockNum)
-//}
-//
-//func TestBeaconBlobSidecars(t *testing.T) {
-//	indexBlobHash := []IndexedBlobHash{
-//		{Hash: common.HexToHash("0x01231952ecbaede62f8d0398b656072c072db36982c9ef106fbbc39ce14f983c"), Index: 0},
-//		{Hash: common.HexToHash("0x012c21a8284d2d707bb5318e874d2e1b97a53d028e96abb702b284a2cbb0f79c"), Index: 1},
-//		{Hash: common.HexToHash("0x011196c8d02536ede0382aa6e9fdba6c460169c0711b5f97fcd701bd8997aee3"), Index: 2},
-//		{Hash: common.HexToHash("0x019c86b46b27401fb978fd175d1eb7dadf4976d6919501b0c5280d13a5bab57b"), Index: 3},
-//		{Hash: common.HexToHash("0x01e00db7ee99176b3fd50aab45b4fae953292334bbf013707aac58c455d98596"), Index: 4},
-//		{Hash: common.HexToHash("0x0117d23b68123d578a98b3e1aa029661e0abda821a98444c21992eb1e5b7208f"), Index: 5},
-//		//{Hash: common.HexToHash("0x01e00db7ee99176b3fd50aab45b4fae953292334bbf013707aac58c455d98596"), Index: 1},
-//	}
-//
-//	resp, err := beaconBlobSidecars(context.Background(), 1724055046, []int{0, 1, 2, 3, 4, 5}) // block: 41494647
-//	assert.Nil(t, err)
-//	assert.NotNil(t, resp)
-//	assert.NotEmpty(t, resp.Data)
-//	for i, sideCar := range resp.Data {
-//		assert.Equal(t, indexBlobHash[i].Index, sideCar.Index)
-//		assert.Equal(t, indexBlobHash[i].Hash, kZGToVersionedHash(sideCar.KZGCommitment))
-//	}
-//
-//	apiscs := make([]*BlobSidecar, 0, len(indexBlobHash))
-//	// filter and order by hashes
-//	for _, h := range indexBlobHash {
-//		for _, apisc := range resp.Data {
-//			if h.Index == int(apisc.Index) {
-//				apiscs = append(apiscs, apisc)
-//				break
-//			}
-//		}
-//	}
-//
-//	assert.Equal(t, len(apiscs), len(resp.Data))
-//	assert.Equal(t, len(apiscs), len(indexBlobHash))
-//}
-
-type TimeToSlotFn func(timestamp uint64) (uint64, error)
-
-// GetTimeToSlotFn returns a function that converts a timestamp to a slot number.
-func GetTimeToSlotFn(ctx context.Context) (TimeToSlotFn, error) {
-	genesis := beaconGenesis()
-	config := configSpec()
-
-	genesisTime, _ := strconv.ParseUint(genesis.Data.GenesisTime, 10, 64)
-	secondsPerSlot, _ := strconv.ParseUint(config.SecondsPerSlot, 10, 64)
-	if secondsPerSlot == 0 {
-		return nil, fmt.Errorf("got bad value for seconds per slot: %v", config.SecondsPerSlot)
-	}
-	timeToSlotFn := func(timestamp uint64) (uint64, error) {
-		if timestamp < genesisTime {
-			return 0, fmt.Errorf("provided timestamp (%v) precedes genesis time (%v)", timestamp, genesisTime)
-		}
-		return (timestamp - genesisTime) / secondsPerSlot, nil
-	}
-	return timeToSlotFn, nil
-}
-
-func TestAPI(t *testing.T) {
-	slotFn, err := GetTimeToSlotFn(context.Background())
-	assert.Nil(t, err)
-
-	expTx := uint64(123151345)
-	gotTx, err := slotFn(expTx)
-	assert.Nil(t, err)
-	assert.Equal(t, expTx, gotTx)
-}
--- a/beacon/fakebeacon/utils.go
+++ b/beacon/fakebeacon/utils.go
@@ -1,65 +0,0 @@
-package fakebeacon
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"math/rand"
-	"time"
-
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-func fetchBlockNumberByTime(ctx context.Context, ts int64, backend ethapi.Backend) (*types.Header, error) {
-	// calc the block number of the ts.
-	currentHeader := backend.CurrentHeader()
-	blockTime := int64(currentHeader.Time)
-	if ts > blockTime {
-		return nil, errors.New("time too large")
-	}
-	blockNum := currentHeader.Number.Uint64()
-	estimateEndNumber := int64(blockNum) - (blockTime-ts)/3
-	// find the end number
-	for {
-		header, err := backend.HeaderByNumber(ctx, rpc.BlockNumber(estimateEndNumber))
-		if err != nil {
-			time.Sleep(time.Duration(rand.Int()%180) * time.Millisecond)
-			continue
-		}
-		if header == nil {
-			estimateEndNumber -= 1
-			time.Sleep(time.Duration(rand.Int()%180) * time.Millisecond)
-			continue
-		}
-		headerTime := int64(header.Time)
-		if headerTime == ts {
-			return header, nil
-		}
-
-		// let the estimateEndNumber a little bigger than real value
-		if headerTime > ts+8 {
-			estimateEndNumber -= (headerTime - ts) / 3
-		} else if headerTime < ts {
-			estimateEndNumber += (ts-headerTime)/3 + 1
-		} else {
-			// search one by one
-			for headerTime >= ts {
-				header, err = backend.HeaderByNumber(ctx, rpc.BlockNumber(estimateEndNumber-1))
-				if err != nil {
-					time.Sleep(time.Duration(rand.Int()%180) * time.Millisecond)
-					continue
-				}
-				headerTime = int64(header.Time)
-				if headerTime == ts {
-					return header, nil
-				}
-				estimateEndNumber -= 1
-				if headerTime < ts { //found the real endNumber
-					return nil, fmt.Errorf("block not found by time %d", ts)
-				}
-			}
-		}
-	}
-}
--- a/cmd/extradump/extradump_test.go
+++ b/cmd/extradump/extradump_test.go
@@ -43,42 +43,7 @@ func TestExtraParse(t *testing.T) {
 		}
 	}

-	// case 3, |---Extra Vanity---|---Validators Number and Validators Bytes---|---Turn Length---|---Empty---|---Extra Seal---|
-	{
-		extraData := "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"
-		extra, err := parseExtra(extraData)
-		assert.NoError(t, err)
-		{
-			var have = extra.ValidatorSize
-			var want = uint8(21)
-			if have != want {
-				t.Fatalf("extra.ValidatorSize mismatch, have %d, want %d", have, want)
-			}
-		}
-		{
-			var have = common.Bytes2Hex(extra.Validators[14].Address[:])
-			var want = "cc8e6d00c17eb431350c6c50d8b8f05176b90b11"
-			if have != want {
-				t.Fatalf("extra.Validators[14].Address mismatch, have %s, want %s", have, want)
-			}
-		}
-		{
-			var have = common.Bytes2Hex(extra.Validators[18].BLSPublicKey[:])
-			var want = "b2d4c6283c44a1c7bd503aaba7666e9f0c830e0ff016c1c750a5e48757a713d0836b1cabfd5c281b1de3b77d1c192183"
-			if have != want {
-				t.Fatalf("extra.Validators[18].BLSPublicKey mismatch, have %s, want %s", have, want)
-			}
-		}
-		{
-			var have = extra.TurnLength
-			var want = uint8(4)
-			if *have != want {
-				t.Fatalf("extra.TurnLength mismatch, have %d, want %d", *have, want)
-			}
-		}
-	}
-
-	// case 4, |---Extra Vanity---|---Empty---|---Vote Attestation---|---Extra Seal---|
+	// case 3, |---Extra Vanity---|---Empty---|---Vote Attestation---|---Extra Seal---|
 	{
 		extraData := "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"
 		extra, err := parseExtra(extraData)
@@ -99,9 +64,9 @@ func TestExtraParse(t *testing.T) {
 		}
 	}

-	// case 5, |---Extra Vanity---|---Validators Number and Validators Bytes---|---Vote Attestation---|---Extra Seal---|
+	// case 4, |---Extra Vanity---|---Validators Number and Validators Bytes---|---Vote Attestation---|---Extra Seal---|
 	{
-		extraData := "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"
+		extraData := "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"
 		extra, err := parseExtra(extraData)
 		assert.NoError(t, err)
 		{
@@ -140,53 +105,4 @@ func TestExtraParse(t *testing.T) {
 			}
 		}
 	}
-
-	// case 6, |---Extra Vanity---|---Validators Number and Validators Bytes---|---Turn Length---|---Vote Attestation---|---Extra Seal---|
-	{
-		extraData := "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"
-		extra, err := parseExtra(extraData)
-		assert.NoError(t, err)
-		{
-			var have = common.Bytes2Hex(extra.Validators[0].Address[:])
-			var want = "1284214b9b9c85549ab3d2b972df0deef66ac2c9"
-			if have != want {
-				t.Fatalf("extra.Validators[0].Address mismatch, have %s, want %s", have, want)
-			}
-		}
-		{
-			var have = common.Bytes2Hex(extra.Validators[0].BLSPublicKey[:])
-			var want = "8e82934ca974fdcd97f3309de967d3c9c43fa711a8d673af5d75465844bf8969c8d1948d903748ac7b8b1720fa64e50c"
-			if have != want {
-				t.Fatalf("extra.Validators[0].BLSPublicKey mismatch, have %s, want %s", have, want)
-			}
-		}
-		{
-			var have = extra.Validators[0].VoteIncluded
-			var want = true
-			if have != want {
-				t.Fatalf("extra.Validators[0].VoteIncluded mismatch, have %t, want %t", have, want)
-			}
-		}
-		{
-			var have = common.Bytes2Hex(extra.Data.TargetHash[:])
-			var want = "0edc71ce80105a3220a87bea2792fa340d66c59002f02b0a09349ed1ed284070"
-			if have != want {
-				t.Fatalf("extra.Data.TargetHash mismatch, have %s, want %s", have, want)
-			}
-		}
-		{
-			var have = extra.Data.TargetNumber
-			var want = uint64(32096999)
-			if have != want {
-				t.Fatalf("extra.Data.TargetNumber mismatch, have %d, want %d", have, want)
-			}
-		}
-		{
-			var have = extra.TurnLength
-			var want = uint8(4)
-			if *have != want {
-				t.Fatalf("extra.TurnLength mismatch, have %d, want %d", *have, want)
-			}
-		}
-	}
 }
--- a/cmd/extradump/main.go
+++ b/cmd/extradump/main.go
@@ -24,7 +24,7 @@ const (
 	BLSPublicKeyLength = 48

 	// follow order in extra field
-	// |---Extra Vanity---|---Validators Number and Validators Bytes (or Empty)---|---Turn Length (or Empty)---|---Vote Attestation (or Empty)---|---Extra Seal---|
+	// |---Extra Vanity---|---Validators Number and Validators Bytes (or Empty)---|---Vote Attestation (or Empty)---|---Extra Seal---|
 	extraVanityLength    = 32 // Fixed number of extra-data prefix bytes reserved for signer vanity
 	validatorNumberSize  = 1  // Fixed number of extra prefix bytes reserved for validator number after Luban
 	validatorBytesLength = common.AddressLength + types.BLSPublicKeyLength
@@ -35,7 +35,6 @@ type Extra struct {
 	ExtraVanity   string
 	ValidatorSize uint8
 	Validators    validatorsAscending
-	TurnLength    *uint8
 	*types.VoteAttestation
 	ExtraSeal []byte
 }
@@ -114,15 +113,6 @@ func parseExtra(hexData string) (*Extra, error) {
 			sort.Sort(extra.Validators)
 			data = data[validatorBytesTotalLength-validatorNumberSize:]
 			dataLength = len(data)
-
-			// parse TurnLength
-			if dataLength > 0 {
-				if data[0] != '\xf8' {
-					extra.TurnLength = &data[0]
-					data = data[1:]
-					dataLength = len(data)
-				}
-			}
 		}

 		// parse Vote Attestation
@@ -158,10 +148,6 @@ func prettyExtra(extra Extra) {
 		}
 	}

-	if extra.TurnLength != nil {
-		fmt.Printf("TurnLength	:	%d\n", *extra.TurnLength)
-	}
-
 	if extra.VoteAttestation != nil {
 		fmt.Printf("Attestation	:\n")
 		fmt.Printf("\tVoteAddressSet	:	%b,	%d\n", extra.VoteAddressSet, bitset.From([]uint64{uint64(extra.VoteAddressSet)}).Count())
--- a/cmd/faucet/faucet.go
+++ b/cmd/faucet/faucet.go
@@ -49,14 +49,12 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/gorilla/websocket"
-	"golang.org/x/time/rate"
 )

 var (
-	genesisFlag       = flag.String("genesis", "", "Genesis json file to seed the chain with")
-	apiPortFlag       = flag.Int("apiport", 8080, "Listener port for the HTTP API connection")
-	wsEndpoint        = flag.String("ws", "http://127.0.0.1:7777/", "Url to ws endpoint")
-	wsEndpointMainnet = flag.String("ws.mainnet", "", "Url to ws endpoint of BSC mainnet")
+	genesisFlag = flag.String("genesis", "", "Genesis json file to seed the chain with")
+	apiPortFlag = flag.Int("apiport", 8080, "Listener port for the HTTP API connection")
+	wsEndpoint  = flag.String("ws", "http://127.0.0.1:7777/", "Url to ws endpoint")

 	netnameFlag = flag.String("faucet.name", "", "Network name to assign to the faucet")
 	payoutFlag  = flag.Int("faucet.amount", 1, "Number of Ethers to pay out per user request")
@@ -78,12 +76,6 @@ var (
 	fixGasPrice        = flag.Int64("faucet.fixedprice", 0, "Will use fixed gas price if specified")
 	twitterTokenFlag   = flag.String("twitter.token", "", "Bearer token to authenticate with the v2 Twitter API")
 	twitterTokenV1Flag = flag.String("twitter.token.v1", "", "Bearer token to authenticate with the v1.1 Twitter API")
-
-	resendInterval    = 15 * time.Second
-	resendBatchSize   = 3
-	resendMaxGasPrice = big.NewInt(50 * params.GWei)
-	wsReadTimeout     = 5 * time.Minute
-	minMainnetBalance = big.NewInt(2 * 1e6 * params.GWei) // 0.002 bnb
 )

 var (
@@ -94,17 +86,11 @@ var (
 //go:embed faucet.html
 var websiteTmpl string

-func weiToEtherStringFx(wei *big.Int, prec int) string {
-	etherValue := new(big.Float).Quo(new(big.Float).SetInt(wei), big.NewFloat(params.Ether))
-	// Format the big.Float directly to a string with the specified precision
-	return etherValue.Text('f', prec)
-}
-
 func main() {
 	// Parse the flags and set up the logger to print everything requested
 	flag.Parse()
-	log.SetDefault(log.NewLogger(log.NewTerminalHandlerWithLevel(os.Stderr, log.FromLegacyLevel(*logFlag), false)))
-	log.Info("faucet started")
+	log.SetDefault(log.NewLogger(log.NewTerminalHandlerWithLevel(os.Stderr, log.FromLegacyLevel(*logFlag), true)))
+
 	// Construct the payout tiers
 	amounts := make([]string, *tiersFlag)
 	for i := 0; i < *tiersFlag; i++ {
@@ -183,7 +169,7 @@ func main() {
 		log.Crit("Failed to unlock faucet signer account", "err", err)
 	}
 	// Assemble and start the faucet light service
-	faucet, err := newFaucet(genesis, *wsEndpoint, *wsEndpointMainnet, ks, website.Bytes(), bep2eInfos)
+	faucet, err := newFaucet(genesis, *wsEndpoint, ks, website.Bytes(), bep2eInfos)
 	if err != nil {
 		log.Crit("Failed to start faucet", "err", err)
 	}
@@ -210,10 +196,9 @@ type bep2eInfo struct {

 // faucet represents a crypto faucet backed by an Ethereum light client.
 type faucet struct {
-	config        *params.ChainConfig // Chain configurations for signing
-	client        *ethclient.Client   // Client connection to the Ethereum chain
-	clientMainnet *ethclient.Client   // Client connection to BSC mainnet for balance check
-	index         []byte              // Index page to serve up on the web
+	config *params.ChainConfig // Chain configurations for signing
+	client *ethclient.Client   // Client connection to the Ethereum chain
+	index  []byte              // Index page to serve up on the web

 	keystore *keystore.KeyStore // Keystore containing the single signer
 	account  accounts.Account   // Account funding user faucet requests
@@ -231,8 +216,6 @@ type faucet struct {

 	bep2eInfos map[string]bep2eInfo
 	bep2eAbi   abi.ABI
-
-	limiter *IPRateLimiter
 }

 // wsConn wraps a websocket connection with a write mutex as the underlying
@@ -242,7 +225,7 @@ type wsConn struct {
 	wlock sync.Mutex
 }

-func newFaucet(genesis *core.Genesis, url string, mainnetUrl string, ks *keystore.KeyStore, index []byte, bep2eInfos map[string]bep2eInfo) (*faucet, error) {
+func newFaucet(genesis *core.Genesis, url string, ks *keystore.KeyStore, index []byte, bep2eInfos map[string]bep2eInfo) (*faucet, error) {
 	bep2eAbi, err := abi.JSON(strings.NewReader(bep2eAbiJson))
 	if err != nil {
 		return nil, err
@@ -251,30 +234,17 @@ func newFaucet(genesis *core.Genesis, url string, mainnetUrl string, ks *keystor
 	if err != nil {
 		return nil, err
 	}
-	clientMainnet, err := ethclient.Dial(mainnetUrl)
-	if err != nil {
-		// skip mainnet balance check if it there is no available mainnet endpoint
-		log.Warn("dail mainnet endpoint failed", "mainnetUrl", mainnetUrl, "err", err)
-	}
-
-	// Allow 1 request per minute with burst of 5, and cache up to 1000 IPs
-	limiter, err := NewIPRateLimiter(rate.Limit(1.0), 5, 1000)
-	if err != nil {
-		return nil, err
-	}

 	return &faucet{
-		config:        genesis.Config,
-		client:        client,
-		clientMainnet: clientMainnet,
-		index:         index,
-		keystore:      ks,
-		account:       ks.Accounts()[0],
-		timeouts:      make(map[string]time.Time),
-		update:        make(chan struct{}, 1),
-		bep2eInfos:    bep2eInfos,
-		bep2eAbi:      bep2eAbi,
-		limiter:       limiter,
+		config:     genesis.Config,
+		client:     client,
+		index:      index,
+		keystore:   ks,
+		account:    ks.Accounts()[0],
+		timeouts:   make(map[string]time.Time),
+		update:     make(chan struct{}, 1),
+		bep2eInfos: bep2eInfos,
+		bep2eAbi:   bep2eAbi,
 	}, nil
 }

@@ -302,20 +272,6 @@ func (f *faucet) webHandler(w http.ResponseWriter, r *http.Request) {

 // apiHandler handles requests for Ether grants and transaction statuses.
 func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
-	ip := r.RemoteAddr
-	if len(r.Header.Get("X-Forwarded-For")) > 0 {
-		ips := strings.Split(r.Header.Get("X-Forwarded-For"), ",")
-		if len(ips) > 0 {
-			ip = strings.TrimSpace(ips[len(ips)-1])
-		}
-	}
-
-	if !f.limiter.GetLimiter(ip).Allow() {
-		log.Warn("Too many requests from client: ", "client", ip)
-		http.Error(w, "Too many requests", http.StatusTooManyRequests)
-		return
-	}
-
 	upgrader := websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }}
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
@@ -398,11 +354,7 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
 			Captcha string `json:"captcha"`
 			Symbol  string `json:"symbol"`
 		}
-		// not sure if it helps or not, but set a read deadline could help prevent resource leakage
-		// if user did not give response for too long, then the routine will be stuck.
-		conn.SetReadDeadline(time.Now().Add(wsReadTimeout))
 		if err = conn.ReadJSON(&msg); err != nil {
-			log.Debug("read json message failed", "err", err, "ip", ip)
 			return
 		}
 		if !*noauthFlag && !strings.HasPrefix(msg.URL, "https://twitter.com/") && !strings.HasPrefix(msg.URL, "https://www.facebook.com/") {
@@ -420,9 +372,9 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
 			}
 			continue
 		}
-		log.Info("Faucet funds requested", "url", msg.URL, "tier", msg.Tier, "ip", ip)
+		log.Info("Faucet funds requested", "url", msg.URL, "tier", msg.Tier)

-		// check #1: captcha verifications to exclude robot
+		// If captcha verifications are enabled, make sure we're not dealing with a robot
 		if *captchaToken != "" {
 			form := url.Values{}
 			form.Add("secret", *captchaSecret)
@@ -499,108 +451,88 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
 			}
 			continue
 		}
+		log.Info("Faucet request valid", "url", msg.URL, "tier", msg.Tier, "user", username, "address", address)

-		// check #2: check IP and ID(address) to ensure the user didn't request funds too recently,
+		// Ensure the user didn't request funds too recently
 		f.lock.Lock()
+		var (
+			fund    bool
+			timeout time.Time
+		)

 		if ipTimeout := f.timeouts[ips[len(ips)-2]]; time.Now().Before(ipTimeout) {
-			f.lock.Unlock()
 			if err = sendError(wsconn, fmt.Errorf("%s left until next allowance", common.PrettyDuration(time.Until(ipTimeout)))); err != nil { // nolint: gosimple
 				log.Warn("Failed to send funding error to client", "err", err)
-				return
 			}
-			log.Info("too frequent funding(ip)", "TimeLeft", common.PrettyDuration(time.Until(ipTimeout)), "ip", ips[len(ips)-2], "ipsStr", ipsStr)
+			f.lock.Unlock()
 			continue
 		}
-		if idTimeout := f.timeouts[id]; time.Now().Before(idTimeout) {
-			f.lock.Unlock()
-			// Send an error if too frequent funding, otherwise a success
-			if err = sendError(wsconn, fmt.Errorf("%s left until next allowance", common.PrettyDuration(time.Until(idTimeout)))); err != nil { // nolint: gosimple
+
+		if timeout = f.timeouts[id]; time.Now().After(timeout) {
+			var tx *types.Transaction
+			if msg.Symbol == "BNB" {
+				// User wasn't funded recently, create the funding transaction
+				amount := new(big.Int).Div(new(big.Int).Mul(big.NewInt(int64(*payoutFlag)), ether), big.NewInt(10))
+				amount = new(big.Int).Mul(amount, new(big.Int).Exp(big.NewInt(5), big.NewInt(int64(msg.Tier)), nil))
+				amount = new(big.Int).Div(amount, new(big.Int).Exp(big.NewInt(2), big.NewInt(int64(msg.Tier)), nil))
+
+				tx = types.NewTransaction(f.nonce+uint64(len(f.reqs)), address, amount, 21000, f.price, nil)
+			} else {
+				tokenInfo, ok := f.bep2eInfos[msg.Symbol]
+				if !ok {
+					f.lock.Unlock()
+					log.Warn("Failed to find symbol", "symbol", msg.Symbol)
+					continue
+				}
+				input, err := f.bep2eAbi.Pack("transfer", address, &tokenInfo.Amount)
+				if err != nil {
+					f.lock.Unlock()
+					log.Warn("Failed to pack transfer transaction", "err", err)
+					continue
+				}
+				tx = types.NewTransaction(f.nonce+uint64(len(f.reqs)), tokenInfo.Contract, nil, 420000, f.price, input)
+			}
+			signed, err := f.keystore.SignTx(f.account, tx, f.config.ChainID)
+			if err != nil {
+				f.lock.Unlock()
+				if err = sendError(wsconn, err); err != nil {
+					log.Warn("Failed to send transaction creation error to client", "err", err)
+					return
+				}
+				continue
+			}
+			// Submit the transaction and mark as funded if successful
+			if err := f.client.SendTransaction(context.Background(), signed); err != nil {
+				f.lock.Unlock()
+				if err = sendError(wsconn, err); err != nil {
+					log.Warn("Failed to send transaction transmission error to client", "err", err)
+					return
+				}
+				continue
+			}
+			f.reqs = append(f.reqs, &request{
+				Avatar:  avatar,
+				Account: address,
+				Time:    time.Now(),
+				Tx:      signed,
+			})
+			timeout := time.Duration(*minutesFlag*int(math.Pow(3, float64(msg.Tier)))) * time.Minute
+			grace := timeout / 288 // 24h timeout => 5m grace
+
+			f.timeouts[id] = time.Now().Add(timeout - grace)
+			f.timeouts[ips[len(ips)-2]] = time.Now().Add(timeout - grace)
+			fund = true
+		}
+		f.lock.Unlock()
+
+		// Send an error if too frequent funding, otherwise a success
+		if !fund {
+			if err = sendError(wsconn, fmt.Errorf("%s left until next allowance", common.PrettyDuration(time.Until(timeout)))); err != nil { // nolint: gosimple
 				log.Warn("Failed to send funding error to client", "err", err)
 				return
 			}
-			log.Info("too frequent funding(id)", "TimeLeft", common.PrettyDuration(time.Until(idTimeout)), "id", id)
 			continue
 		}
-		// check #3: minimum mainnet balance check, internal error will bypass the check to avoid blocking the faucet service
-		if f.clientMainnet != nil {
-			mainnetAddr := address
-			balanceMainnet, err := f.clientMainnet.BalanceAt(context.Background(), mainnetAddr, nil)
-			if err != nil {
-				log.Warn("check balance failed, call BalanceAt", "err", err)
-			} else if balanceMainnet == nil {
-				log.Warn("check balance failed, balanceMainnet is nil")
-			} else {
-				if balanceMainnet.Cmp(minMainnetBalance) < 0 {
-					f.lock.Unlock()
-					log.Warn("insufficient BNB on BSC mainnet", "address", mainnetAddr,
-						"balanceMainnet", balanceMainnet, "minMainnetBalance", minMainnetBalance)
-					// Send an error if failed to meet the minimum balance requirement
-					if err = sendError(wsconn, fmt.Errorf("insufficient BNB on BSC mainnet        (require >=%sBNB)",
-						weiToEtherStringFx(minMainnetBalance, 3))); err != nil {
-						log.Warn("Failed to send mainnet minimum balance error to client", "err", err)
-						return
-					}
-					continue
-				}
-			}
-		}
-		log.Info("Faucet request valid", "url", msg.URL, "tier", msg.Tier, "user", username, "address", address, "ip", ip)
-
-		// now, it is ok to send tBNB or other tokens
-		var tx *types.Transaction
-		if msg.Symbol == "BNB" {
-			// User wasn't funded recently, create the funding transaction
-			amount := new(big.Int).Div(new(big.Int).Mul(big.NewInt(int64(*payoutFlag)), ether), big.NewInt(10))
-			amount = new(big.Int).Mul(amount, new(big.Int).Exp(big.NewInt(5), big.NewInt(int64(msg.Tier)), nil))
-			amount = new(big.Int).Div(amount, new(big.Int).Exp(big.NewInt(2), big.NewInt(int64(msg.Tier)), nil))
-
-			tx = types.NewTransaction(f.nonce+uint64(len(f.reqs)), address, amount, 21000, f.price, nil)
-		} else {
-			tokenInfo, ok := f.bep2eInfos[msg.Symbol]
-			if !ok {
-				f.lock.Unlock()
-				log.Warn("Failed to find symbol", "symbol", msg.Symbol)
-				continue
-			}
-			input, err := f.bep2eAbi.Pack("transfer", address, &tokenInfo.Amount)
-			if err != nil {
-				f.lock.Unlock()
-				log.Warn("Failed to pack transfer transaction", "err", err)
-				continue
-			}
-			tx = types.NewTransaction(f.nonce+uint64(len(f.reqs)), tokenInfo.Contract, nil, 420000, f.price, input)
-		}
-		signed, err := f.keystore.SignTx(f.account, tx, f.config.ChainID)
-		if err != nil {
-			f.lock.Unlock()
-			if err = sendError(wsconn, err); err != nil {
-				log.Warn("Failed to send transaction creation error to client", "err", err)
-				return
-			}
-			continue
-		}
-		// Submit the transaction and mark as funded if successful
-		if err := f.client.SendTransaction(context.Background(), signed); err != nil {
-			f.lock.Unlock()
-			if err = sendError(wsconn, err); err != nil {
-				log.Warn("Failed to send transaction transmission error to client", "err", err)
-				return
-			}
-			continue
-		}
-		f.reqs = append(f.reqs, &request{
-			Avatar:  avatar,
-			Account: address,
-			Time:    time.Now(),
-			Tx:      signed,
-		})
-		timeoutInt64 := time.Duration(*minutesFlag*int(math.Pow(3, float64(msg.Tier)))) * time.Minute
-		grace := timeoutInt64 / 288 // 24h timeout => 5m grace
-
-		f.timeouts[id] = time.Now().Add(timeoutInt64 - grace)
-		f.timeouts[ips[len(ips)-2]] = time.Now().Add(timeoutInt64 - grace)
-		f.lock.Unlock()
 		if err = sendSuccess(wsconn, fmt.Sprintf("Funding request accepted for %s into %s", username, address.Hex())); err != nil {
 			log.Warn("Failed to send funding success to client", "err", err)
 			return
@@ -649,52 +581,9 @@ func (f *faucet) refresh(head *types.Header) error {
 	f.lock.Lock()
 	f.head, f.balance = head, balance
 	f.price, f.nonce = price, nonce
-	if len(f.reqs) == 0 {
-		log.Debug("refresh len(f.reqs) == 0", "f.nonce", f.nonce)
-		f.lock.Unlock()
-		return nil
-	}
-	if f.reqs[0].Tx.Nonce() == f.nonce {
-		// if the next Tx failed to be included for a certain time(resendInterval), try to
-		// resend it with higher gasPrice, as it could be discarded in the network.
-		// Also resend extra following txs, as they could be discarded as well.
-		if time.Now().After(f.reqs[0].Time.Add(resendInterval)) {
-			for i, req := range f.reqs {
-				if i >= resendBatchSize {
-					break
-				}
-				prePrice := req.Tx.GasPrice()
-				// bump gas price 20% to replace the previous tx
-				newPrice := new(big.Int).Add(prePrice, new(big.Int).Div(prePrice, big.NewInt(5)))
-				if newPrice.Cmp(resendMaxGasPrice) >= 0 {
-					log.Info("resendMaxGasPrice reached", "newPrice", newPrice, "resendMaxGasPrice", resendMaxGasPrice, "nonce", req.Tx.Nonce())
-					break
-				}
-				newTx := types.NewTransaction(req.Tx.Nonce(), *req.Tx.To(), req.Tx.Value(), req.Tx.Gas(), newPrice, req.Tx.Data())
-				newSigned, err := f.keystore.SignTx(f.account, newTx, f.config.ChainID)
-				if err != nil {
-					log.Error("resend sign tx failed", "err", err)
-				}
-				log.Info("reqs[0] Tx has been stuck for a while, trigger resend",
-					"resendInterval", resendInterval, "resendTxSize", resendBatchSize,
-					"preHash", req.Tx.Hash().Hex(), "newHash", newSigned.Hash().Hex(),
-					"newPrice", newPrice, "nonce", req.Tx.Nonce(), "req.Tx.Gas()", req.Tx.Gas())
-				if err := f.client.SendTransaction(context.Background(), newSigned); err != nil {
-					log.Warn("resend tx failed", "err", err)
-					continue
-				}
-				req.Tx = newSigned
-			}
-		}
-	}
-	// it is abnormal that reqs[0] has larger nonce than next expected nonce.
-	// could be caused by reorg? reset it
-	if f.reqs[0].Tx.Nonce() > f.nonce {
-		log.Warn("reset due to nonce gap", "f.nonce", f.nonce, "f.reqs[0].Tx.Nonce()", f.reqs[0].Tx.Nonce())
+	if len(f.reqs) > 0 && f.reqs[0].Tx.Nonce() > f.nonce {
 		f.reqs = f.reqs[:0]
 	}
-	// remove the reqs if they have smaller nonce, which means it is no longer valid,
-	// either has been accepted or replaced.
 	for len(f.reqs) > 0 && f.reqs[0].Tx.Nonce() < f.nonce {
 		f.reqs = f.reqs[1:]
 	}
@@ -736,22 +625,19 @@ func (f *faucet) loop() {
 			balance := new(big.Int).Div(f.balance, ether)

 			for _, conn := range f.conns {
-				go func(conn *wsConn) {
-					if err := send(conn, map[string]interface{}{
-						"funds":    balance,
-						"funded":   f.nonce,
-						"requests": f.reqs,
-					}, time.Second); err != nil {
-						log.Warn("Failed to send stats to client", "err", err)
-						conn.conn.Close()
-						return // Exit the goroutine if the first send fails
-					}
-
-					if err := send(conn, head, time.Second); err != nil {
-						log.Warn("Failed to send header to client", "err", err)
-						conn.conn.Close()
-					}
-				}(conn)
+				if err := send(conn, map[string]interface{}{
+					"funds":    balance,
+					"funded":   f.nonce,
+					"requests": f.reqs,
+				}, time.Second); err != nil {
+					log.Warn("Failed to send stats to client", "err", err)
+					conn.conn.Close()
+					continue
+				}
+				if err := send(conn, head, time.Second); err != nil {
+					log.Warn("Failed to send header to client", "err", err)
+					conn.conn.Close()
+				}
 			}
 			f.lock.RUnlock()
 		}
@@ -770,12 +656,10 @@ func (f *faucet) loop() {
 			// Pending requests updated, stream to clients
 			f.lock.RLock()
 			for _, conn := range f.conns {
-				go func(conn *wsConn) {
-					if err := send(conn, map[string]interface{}{"requests": f.reqs}, time.Second); err != nil {
-						log.Warn("Failed to send requests to client", "err", err)
-						conn.conn.Close()
-					}
-				}(conn)
+				if err := send(conn, map[string]interface{}{"requests": f.reqs}, time.Second); err != nil {
+					log.Warn("Failed to send requests to client", "err", err)
+					conn.conn.Close()
+				}
 			}
 			f.lock.RUnlock()
 		}
--- a/cmd/faucet/rate_limiter.go
+++ b/cmd/faucet/rate_limiter.go
@@ -1,44 +0,0 @@
-package main
-
-import (
-	lru "github.com/hashicorp/golang-lru"
-	"golang.org/x/time/rate"
-)
-
-type IPRateLimiter struct {
-	ips *lru.Cache // LRU cache to store IP addresses and their associated rate limiters
-	r   rate.Limit // the rate limit, e.g., 5 requests per second
-	b   int        // the burst size, e.g., allowing a burst of 10 requests at once. The rate limiter gets into action
-	// only after this number exceeds
-}
-
-func NewIPRateLimiter(r rate.Limit, b int, size int) (*IPRateLimiter, error) {
-	cache, err := lru.New(size)
-	if err != nil {
-		return nil, err
-	}
-
-	i := &IPRateLimiter{
-		ips: cache,
-		r:   r,
-		b:   b,
-	}
-
-	return i, nil
-}
-
-func (i *IPRateLimiter) addIP(ip string) *rate.Limiter {
-	limiter := rate.NewLimiter(i.r, i.b)
-
-	i.ips.Add(ip, limiter)
-
-	return limiter
-}
-
-func (i *IPRateLimiter) GetLimiter(ip string) *rate.Limiter {
-	if limiter, exists := i.ips.Get(ip); exists {
-		return limiter.(*rate.Limiter)
-	}
-
-	return i.addIP(ip)
-}
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -62,9 +62,7 @@ var (
 		ArgsUsage: "<genesisPath>",
 		Flags: flags.Merge([]cli.Flag{
 			utils.CachePreimagesFlag,
-			utils.OverridePassedForkTime,
 			utils.OverrideBohr,
-			utils.OverridePascal,
 			utils.OverrideVerkle,
 			utils.MultiDataBaseFlag,
 		}, utils.DatabaseFlags),
@@ -255,18 +253,10 @@ func initGenesis(ctx *cli.Context) error {
 	defer stack.Close()

 	var overrides core.ChainOverrides
-	if ctx.IsSet(utils.OverridePassedForkTime.Name) {
-		v := ctx.Uint64(utils.OverridePassedForkTime.Name)
-		overrides.OverridePassedForkTime = &v
-	}
 	if ctx.IsSet(utils.OverrideBohr.Name) {
 		v := ctx.Uint64(utils.OverrideBohr.Name)
 		overrides.OverrideBohr = &v
 	}
-	if ctx.IsSet(utils.OverridePascal.Name) {
-		v := ctx.Uint64(utils.OverridePascal.Name)
-		overrides.OverridePascal = &v
-	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		overrides.OverrideVerkle = &v
--- a/cmd/geth/config.go
+++ b/cmd/geth/config.go
@@ -33,7 +33,6 @@ import (
 	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/accounts/scwallet"
 	"github.com/ethereum/go-ethereum/accounts/usbwallet"
-	"github.com/ethereum/go-ethereum/beacon/fakebeacon"
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
@@ -93,11 +92,10 @@ type ethstatsConfig struct {
 }

 type gethConfig struct {
-	Eth        ethconfig.Config
-	Node       node.Config
-	Ethstats   ethstatsConfig
-	Metrics    metrics.Config
-	FakeBeacon fakebeacon.Config
+	Eth      ethconfig.Config
+	Node     node.Config
+	Ethstats ethstatsConfig
+	Metrics  metrics.Config
 }

 func loadConfig(file string, cfg *gethConfig) error {
@@ -187,18 +185,10 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 		params.RialtoGenesisHash = common.HexToHash(v)
 	}

-	if ctx.IsSet(utils.OverridePassedForkTime.Name) {
-		v := ctx.Uint64(utils.OverridePassedForkTime.Name)
-		cfg.Eth.OverridePassedForkTime = &v
-	}
 	if ctx.IsSet(utils.OverrideBohr.Name) {
 		v := ctx.Uint64(utils.OverrideBohr.Name)
 		cfg.Eth.OverrideBohr = &v
 	}
-	if ctx.IsSet(utils.OverridePascal.Name) {
-		v := ctx.Uint64(utils.OverridePascal.Name)
-		cfg.Eth.OverridePascal = &v
-	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		cfg.Eth.OverrideVerkle = &v
@@ -216,9 +206,6 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 	if ctx.IsSet(utils.OverrideBreatheBlockInterval.Name) {
 		params.BreatheBlockInterval = ctx.Uint64(utils.OverrideBreatheBlockInterval.Name)
 	}
-	if ctx.IsSet(utils.OverrideFixedTurnLength.Name) {
-		params.FixedTurnLength = ctx.Uint64(utils.OverrideFixedTurnLength.Name)
-	}

 	backend, eth := utils.RegisterEthService(stack, &cfg.Eth)

@@ -248,22 +235,11 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 		utils.RegisterEthStatsService(stack, backend, cfg.Ethstats.URL)
 	}

-	if ctx.IsSet(utils.FakeBeaconAddrFlag.Name) {
-		cfg.FakeBeacon.Addr = ctx.String(utils.FakeBeaconAddrFlag.Name)
-	}
-	if ctx.IsSet(utils.FakeBeaconPortFlag.Name) {
-		cfg.FakeBeacon.Port = ctx.Int(utils.FakeBeaconPortFlag.Name)
-	}
-	if cfg.FakeBeacon.Enable || ctx.IsSet(utils.FakeBeaconEnabledFlag.Name) {
-		go fakebeacon.NewService(&cfg.FakeBeacon, backend).Run()
-	}
-
 	git, _ := version.VCS()
 	utils.SetupMetrics(ctx,
 		utils.EnableBuildInfo(git.Commit, git.Date),
 		utils.EnableMinerInfo(ctx, &cfg.Eth.Miner),
 		utils.EnableNodeInfo(&cfg.Eth.TxPool, stack.Server().NodeInfo()),
-		utils.EnableNodeTrack(ctx, &cfg.Eth, stack),
 	)
 	return stack, backend
 }
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -72,15 +72,12 @@ var (
 		utils.USBFlag,
 		utils.SmartCardDaemonPathFlag,
 		utils.RialtoHash,
-		utils.OverridePassedForkTime,
 		utils.OverrideBohr,
-		utils.OverridePascal,
 		utils.OverrideVerkle,
 		utils.OverrideFullImmutabilityThreshold,
 		utils.OverrideMinBlocksForBlobRequests,
 		utils.OverrideDefaultExtraReserveForBlobRequests,
 		utils.OverrideBreatheBlockInterval,
-		utils.OverrideFixedTurnLength,
 		utils.EnablePersonal,
 		utils.TxPoolLocalsFlag,
 		utils.TxPoolNoLocalsFlag,
@@ -233,12 +230,6 @@ var (
 		utils.MetricsInfluxDBBucketFlag,
 		utils.MetricsInfluxDBOrganizationFlag,
 	}
-
-	fakeBeaconFlags = []cli.Flag{
-		utils.FakeBeaconEnabledFlag,
-		utils.FakeBeaconAddrFlag,
-		utils.FakeBeaconPortFlag,
-	}
 )

 var app = flags.NewApp("the go-ethereum command line interface")
@@ -293,7 +284,6 @@ func init() {
 		consoleFlags,
 		debug.Flags,
 		metricsFlags,
-		fakeBeaconFlags,
 	)
 	flags.AutoEnvVars(app.Flags, "GETH")

@@ -379,6 +369,8 @@ func geth(ctx *cli.Context) error {
 // it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
 // miner.
 func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isConsole bool) {
+	debug.Memsize.Add("node", stack)
+
 	// Start up the node itself
 	utils.StartNode(ctx, stack, isConsole)

@@ -451,23 +443,22 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 	}

 	// Start auxiliary services if enabled
-	ethBackend, ok := backend.(*eth.EthAPIBackend)
-	gasCeil := ethBackend.Miner().GasCeil()
-	if gasCeil > params.SystemTxsGas {
-		ethBackend.TxPool().SetMaxGas(gasCeil - params.SystemTxsGas)
-	}
 	if ctx.Bool(utils.MiningEnabledFlag.Name) {
 		// Mining only makes sense if a full Ethereum node is running
 		if ctx.String(utils.SyncModeFlag.Name) == "light" {
 			utils.Fatalf("Light clients do not support mining")
 		}
-
+		ethBackend, ok := backend.(*eth.EthAPIBackend)
 		if !ok {
 			utils.Fatalf("Ethereum service not running")
 		}
 		// Set the gas price to the limits from the CLI and start mining
 		gasprice := flags.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
 		ethBackend.TxPool().SetGasTip(gasprice)
+		gasCeil := ethBackend.Miner().GasCeil()
+		if gasCeil > params.SystemTxsGas {
+			ethBackend.TxPool().SetMaxGas(gasCeil - params.SystemTxsGas)
+		}
 		if err := ethBackend.StartMining(); err != nil {
 			utils.Fatalf("Failed to start mining: %v", err)
 		}
--- a/cmd/jsutils/README.md
+++ b/cmd/jsutils/README.md
@@ -33,7 +33,7 @@ node get_perf.js --rpc ${url} --startNum ${start} --endNum ${end}
 output as following
 ```bash
 Get the performance between [ 19470 , 19670 )
-txCountPerBlock = 3142.81 txCountTotal = 628562 BlockCount = 200 avgBlockTime = 3.005 inturnBlocksRatio = 0.975 justifiedBlocksRatio = 0.98
+txCountPerBlock = 3142.81 txCountTotal = 628562 BlockCount = 200 avgBlockTime = 3.005 inturnBlocksRatio = 0.975
 txCountPerSecond = 1045.8602329450914 avgGasUsedPerBlock = 250.02062627 avgGasUsedPerSecond =  83.20153952412646
 ```

--- a/cmd/jsutils/get_perf.js
+++ b/cmd/jsutils/get_perf.js
@@ -12,9 +12,6 @@ const main = async () => {
    let txCountTotal = 0;
    let gasUsedTotal = 0;
    let inturnBlocks = 0;
-    let justifiedBlocks = 0;
-    let turnLength = await provider.send("parlia_getTurnLength", [
-        ethers.toQuantity(program.startNum)]);
    for (let i = program.startNum; i < program.endNum; i++) {
        let txCount = await provider.send("eth_getBlockTransactionCountByNumber", [
            ethers.toQuantity(i)]);
@@ -29,15 +26,7 @@ const main = async () => {
            inturnBlocks += 1
        }
        let timestamp = eval(eval(header.timestamp).toString(10))
-
-        let justifiedNumber = await provider.send("parlia_getJustifiedNumber", [
-            ethers.toQuantity(i)]);
-        if (justifiedNumber + 1 == i) {
-            justifiedBlocks += 1
-        } else {
-            console.log("justified unexpected", "BlockNumber =", i,"justifiedNumber",justifiedNumber)    
-        }
-        console.log("BlockNumber =", i, "mod =", i%turnLength, "miner =", header.miner , "difficulty =", difficulty, "txCount =", ethers.toNumber(txCount), "gasUsed", gasUsed, "timestamp", timestamp)
+        console.log("BlockNumber =", i, "mod =", i%4, "miner =", header.miner , "difficulty =", difficulty, "txCount =", ethers.toNumber(txCount), "gasUsed", gasUsed, "timestamp", timestamp)
    }

    let blockCount = program.endNum - program.startNum
@@ -52,14 +41,13 @@ const main = async () => {
    let timeCost = endTime - startTime
    let avgBlockTime = timeCost/blockCount
    let inturnBlocksRatio = inturnBlocks/blockCount
-    let justifiedBlocksRatio = justifiedBlocks/blockCount
    let tps = txCountTotal/timeCost
    let M = 1000000
    let avgGasUsedPerBlock = gasUsedTotal/blockCount/M
    let avgGasUsedPerSecond = gasUsedTotal/timeCost/M

    console.log("Get the performance between [", program.startNum, ",", program.endNum, ")");
-    console.log("txCountPerBlock =", txCountPerBlock, "txCountTotal =", txCountTotal, "BlockCount =", blockCount, "avgBlockTime =", avgBlockTime, "inturnBlocksRatio =", inturnBlocksRatio, "justifiedBlocksRatio =", justifiedBlocksRatio);
+    console.log("txCountPerBlock =", txCountPerBlock, "txCountTotal =", txCountTotal, "BlockCount =", blockCount, "avgBlockTime =", avgBlockTime, "inturnBlocksRatio =", inturnBlocksRatio);
    console.log("txCountPerSecond =", tps, "avgGasUsedPerBlock =", avgGasUsedPerBlock, "avgGasUsedPerSecond =", avgGasUsedPerSecond);
 };

--- a/cmd/jsutils/getchainstatus.js
+++ b/cmd/jsutils/getchainstatus.js
@@ -1,164 +0,0 @@
-import { ethers } from "ethers";
-import program from "commander";
-
-// Global Options:
-program.option("--rpc <rpc>", "Rpc");
-// GetTxCount Options:
-program.option("--startNum <startNum>", "start num")
-program.option("--endNum <endNum>", "end num")
-program.option("--miner <miner>", "miner", "")
-// GetVersion Options:
-program.option("--num <Num>", "validator num", 21)
-// GetTopAddr Options:
-program.option("--topNum <Num>", "top num of address to be displayed", 20)
-
-program.parse(process.argv);
-
-const provider = new ethers.JsonRpcProvider(program.rpc)
-
-function printUsage() {
-    console.log("Usage:");
-    console.log("  node getchainstatus.js --help");
-    console.log("  node getchainstatus.js [subcommand] [options]");
-    console.log("\nSubcommands:");
-    console.log("  GetTxCount: find the block with max tx size of a range");
-    console.log("  GetVersion: dump validators' binary version, based on Header.Extra");
-    console.log("  GetTopAddr: get hottest $topNum target address within a block range");
-    console.log("\nOptions:");
-    console.log("  --rpc       specify the url of RPC endpoint");
-    console.log("  --startNum  the start block number, for command GetTxCount");
-    console.log("  --endNum    the end block number, for command GetTxCount");
-    console.log("  --miner     the miner address, for command GetTxCount");
-    console.log("  --num       the number of blocks to be checked, for command GetVersion");
-    console.log("  --topNum    the topNum of blocks to be checked, for command GetVersion");
-    console.log("\nExample:");
-    // mainnet https://bsc-mainnet.nodereal.io/v1/454e504917db4f82b756bd0cf6317dce
-    console.log("  node getchainstatus.js GetTxCount --rpc https://bsc-testnet-dataseed.bnbchain.org --startNum 40000001  --endNum 40000005")
-    console.log("  node getchainstatus.js GetVersion --rpc https://bsc-testnet-dataseed.bnbchain.org --num 21")
-    console.log("  node getchainstatus.js GetTopAddr --rpc https://bsc-testnet-dataseed.bnbchain.org --startNum 40000001  --endNum 40000010 --topNum 10")
-}
-
-// 1.cmd: "GetTxCount", usage:
-// node getchainstatus.js GetTxCount --rpc https://bsc-testnet-dataseed.bnbchain.org \
-//      --startNum 40000001  --endNum 40000005 \
-//      --miner(optional): specified: find the max txCounter from the specified validator,
-//                         not specified: find the max txCounter from all validators
-async function getTxCount()  {
-    let txCount = 0;
-    let num = 0;
-    console.log("Find the max txs count between", program.startNum, "and", program.endNum);
-    for (let i = program.startNum; i < program.endNum; i++) {
-        if (program.miner !== "") {
-            let blockData = await provider.getBlock(Number(i))
-            if (program.miner !== blockData.miner) {
-                continue
-            }
-        }
-        let x = await provider.send("eth_getBlockTransactionCountByNumber", [
-            ethers.toQuantity(i)]);
-        let a = ethers.toNumber(x)
-        if (a > txCount) {
-            num = i;
-            txCount = a;
-        }
-    }
-    console.log("BlockNum = ", num, "TxCount =", txCount);
-}
-
-// 2.cmd: "GetVersion", usage:
-// node getchainstatus.js GetVersion \
-//      --rpc https://bsc-testnet-dataseed.bnbchain.org \
-//       --num(optional): defualt 21, the number of blocks that will be checked
-async function getBinaryVersion()  {
-    const blockNum = await provider.getBlockNumber();
-    console.log(blockNum);
-    for (let i = 0; i < program.num; i++) {
-        let blockData = await provider.getBlock(blockNum - i);
-        // 1.get Geth client version
-        let major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3))
-        let minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4))
-        let patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5))
-
-        // 2.get minimum txGasPrice based on the last non-zero-gasprice transaction
-        let lastGasPrice = 0
-        for  (let txIndex = blockData.transactions.length - 1; txIndex >= 0; txIndex--) {
-            let txHash = blockData.transactions[txIndex]
-            let txData =  await provider.getTransaction(txHash);
-            if (txData.gasPrice == 0) {
-                continue
-            }
-            lastGasPrice = txData.gasPrice
-            break
-        }
-        console.log(blockData.miner, "version =", major + "." + minor + "." + patch, " MinGasPrice = " + lastGasPrice)
-    }
-};
-
-// 3.cmd: "GetTopAddr", usage:
-// node getchainstatus.js GetTopAddr \
-//      --rpc https://bsc-testnet-dataseed.bnbchain.org \
-//      --startNum 40000001  --endNum 40000005 \
-//      --topNum(optional): the top num of address to be displayed, default 20
-function getTopKElements(map, k) {
-    let entries = Array.from(map.entries());
-    entries.sort((a, b) => b[1] - a[1]);
-    return entries.slice(0, k);
-}
-
-async function getTopAddr()  {
-    let countMap = new Map();
-    let totalTxs = 0
-    console.log("Find the top target address, between", program.startNum, "and", program.endNum);
-    for (let i = program.startNum; i <= program.endNum; i++) {
-        let blockData = await provider.getBlock(Number(i), true)
-        totalTxs += blockData.transactions.length
-        for  (let txIndex = blockData.transactions.length - 1; txIndex >= 0; txIndex--) {
-            let txData = await blockData.getTransaction(txIndex)
-            if (txData.to == null) {
-                console.log("Contract creation,txHash:", txData.hash)
-                continue
-            }
-            let toAddr = txData.to;
-            if (countMap.has(toAddr)) {
-                countMap.set(toAddr, countMap.get(toAddr) + 1);
-            } else {
-                countMap.set(toAddr, 1);
-            }
-        }
-        console.log("progress:", (program.endNum-i), "blocks left", "totalTxs", totalTxs)
-    }
-    let tops = getTopKElements(countMap, program.topNum)
-    tops.forEach((value, key) => {
-        // value: [ '0x40661F989826CC641Ce1601526Bb16a4221412c8', 71 ]
-        console.log(key+":", value[0], " ", value[1], " ", ((value[1]*100)/totalTxs).toFixed(2)+"%");
-      });
-};
-
-const main = async () => {
-    if (process.argv.length <= 2) {
-        console.error('invalid process.argv.length', process.argv.length);
-        printUsage()
-        return
-    }
-    const cmd =  process.argv[2]
-    if (cmd === "--help") {
-        printUsage()
-        return
-    }
-    if (cmd === "GetTxCount") {
-        await getTxCount()
-    } else if (cmd === "GetVersion") {
-        await getBinaryVersion()
-    } else if (cmd === "GetTopAddr") {
-        await getTopAddr()
-    } else {
-        console.log("unsupported cmd", cmd);
-        printUsage()
-    }
-}
-
-main().then(() => process.exit(0))
-    .catch((error) => {
-        console.error(error);
-        process.exit(1);
-    });
--- a/cmd/jsutils/gettxcount.js
+++ b/cmd/jsutils/gettxcount.js
@@ -0,0 +1,41 @@
+import { ethers } from "ethers";
+import program from "commander";
+
+program.option("--rpc <rpc>", "Rpc");
+program.option("--startNum <startNum>", "start num")
+program.option("--endNum <endNum>", "end num")
+// --miner:
+//   specified: find the max txCounter from the specified validator
+//   not specified: find the max txCounter from all validators
+program.option("--miner <miner>", "miner", "")
+program.parse(process.argv);
+
+const provider = new ethers.JsonRpcProvider(program.rpc)
+
+const main = async () => {
+    let txCount = 0;
+    let num = 0;
+    console.log("Find the max txs count between", program.startNum, "and", program.endNum);
+    for (let i = program.startNum; i < program.endNum; i++) {
+        if (program.miner !== "") {
+            let blockData = await provider.getBlock(Number(i))
+            if (program.miner !== blockData.miner) {
+                continue
+            }
+        }
+        let x = await provider.send("eth_getBlockTransactionCountByNumber", [
+            ethers.toQuantity(i)]);
+        let a = ethers.toNumber(x)
+        if (a > txCount) {
+            num = i;
+            txCount = a;
+        }
+    }
+    console.log("BlockNum = ", num, "TxCount =", txCount);
+};
+
+main().then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });
--- a/cmd/jsutils/getvalidatorversion.js
+++ b/cmd/jsutils/getvalidatorversion.js
@@ -0,0 +1,38 @@
+import { ethers } from "ethers";
+import program from "commander";
+
+program.option("--Rpc <Rpc>", "Rpc");
+program.option("--Num <Num>", "validator num", 21)
+program.parse(process.argv);
+
+const provider = new ethers.JsonRpcProvider(program.Rpc);
+
+const main = async () => {
+    const blockNum = await provider.getBlockNumber();
+    console.log(blockNum);
+    for (let i = 0; i < program.Num; i++) {
+        let blockData = await provider.getBlock(blockNum - i);
+        // 1.get Geth client version
+        let major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3))
+        let minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4))
+        let patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5))
+
+        // 2.get minimum txGasPrice based on the last non-zero-gasprice transaction
+        let lastGasPrice = 0
+        for  (let txIndex = blockData.transactions.length - 1; txIndex >= 0; txIndex--) {
+            let txHash = blockData.transactions[txIndex]
+            let txData =  await provider.getTransaction(txHash);
+            if (txData.gasPrice == 0) {
+                continue
+            }
+            lastGasPrice = txData.gasPrice
+            break
+        }
+        console.log(blockData.miner, "version =", major + "." + minor + "." + patch, " MinGasPrice = " + lastGasPrice)
+    }
+};
+main().then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -35,11 +35,8 @@ import (
 	"strings"
 	"time"

-	"github.com/ethereum/go-ethereum/internal/version"
-
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/accounts/keystore"
-	"github.com/ethereum/go-ethereum/beacon/fakebeacon"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/fdlimit"
 	"github.com/ethereum/go-ethereum/core"
@@ -308,21 +305,11 @@ var (
 		Usage:    "Manually specify the Rialto Genesis Hash, to trigger builtin network logic",
 		Category: flags.EthCategory,
 	}
-	OverridePassedForkTime = &cli.Uint64Flag{
-		Name:     "override.passedforktime",
-		Usage:    "Manually specify the hard fork timestamps which have passed on the mainnet, overriding the bundled setting",
-		Category: flags.EthCategory,
-	}
 	OverrideBohr = &cli.Uint64Flag{
 		Name:     "override.bohr",
 		Usage:    "Manually specify the Bohr fork timestamp, overriding the bundled setting",
 		Category: flags.EthCategory,
 	}
-	OverridePascal = &cli.Uint64Flag{
-		Name:     "override.pascal",
-		Usage:    "Manually specify the Pascal fork timestamp, overriding the bundled setting",
-		Category: flags.EthCategory,
-	}
 	OverrideVerkle = &cli.Uint64Flag{
 		Name:     "override.verkle",
 		Usage:    "Manually specify the Verkle fork timestamp, overriding the bundled setting",
@@ -352,12 +339,6 @@ var (
 		Value:    params.BreatheBlockInterval,
 		Category: flags.EthCategory,
 	}
-	OverrideFixedTurnLength = &cli.Uint64Flag{
-		Name:     "override.fixedturnlength",
-		Usage:    "It use fixed or random values for turn length instead of reading from the contract, only for testing purpose",
-		Value:    params.FixedTurnLength,
-		Category: flags.EthCategory,
-	}
 	SyncModeFlag = &flags.TextMarshalerFlag{
 		Name:     "syncmode",
 		Usage:    `Blockchain sync mode ("snap" or "full")`,
@@ -1154,25 +1135,6 @@ Please note that --` + MetricsHTTPFlag.Name + ` must be set to start the server.
 		Value:    params.DefaultExtraReserveForBlobRequests,
 		Category: flags.MiscCategory,
 	}
-
-	// Fake beacon
-	FakeBeaconEnabledFlag = &cli.BoolFlag{
-		Name:     "fake-beacon",
-		Usage:    "Enable the HTTP-RPC server of fake-beacon",
-		Category: flags.APICategory,
-	}
-	FakeBeaconAddrFlag = &cli.StringFlag{
-		Name:     "fake-beacon.addr",
-		Usage:    "HTTP-RPC server listening addr of fake-beacon",
-		Value:    fakebeacon.DefaultAddr,
-		Category: flags.APICategory,
-	}
-	FakeBeaconPortFlag = &cli.IntFlag{
-		Name:     "fake-beacon.port",
-		Usage:    "HTTP-RPC server listening port of fake-beacon",
-		Value:    fakebeacon.DefaultPort,
-		Category: flags.APICategory,
-	}
 )

 var (
@@ -2324,67 +2286,6 @@ func EnableNodeInfo(poolConfig *legacypool.Config, nodeInfo *p2p.NodeInfo) Setup
 	}
 }

-func EnableNodeTrack(ctx *cli.Context, cfg *ethconfig.Config, stack *node.Node) SetupMetricsOption {
-	nodeInfo := stack.Server().NodeInfo()
-	return func() {
-		// register node info into metrics
-		metrics.NewRegisteredLabel("node-stats", nil).Mark(map[string]interface{}{
-			"NodeType":       parseNodeType(),
-			"ENR":            nodeInfo.ENR,
-			"Mining":         ctx.Bool(MiningEnabledFlag.Name),
-			"Etherbase":      parseEtherbase(cfg),
-			"MiningFeatures": parseMiningFeatures(ctx, cfg),
-			"DBFeatures":     parseDBFeatures(cfg, stack),
-		})
-	}
-}
-
-func parseEtherbase(cfg *ethconfig.Config) string {
-	if cfg.Miner.Etherbase == (common.Address{}) {
-		return ""
-	}
-	return cfg.Miner.Etherbase.String()
-}
-
-func parseNodeType() string {
-	git, _ := version.VCS()
-	version := []string{params.VersionWithMeta}
-	if len(git.Commit) >= 7 {
-		version = append(version, git.Commit[:7])
-	}
-	if git.Date != "" {
-		version = append(version, git.Date)
-	}
-	arch := []string{runtime.GOOS, runtime.GOARCH}
-	infos := []string{"BSC", strings.Join(version, "-"), strings.Join(arch, "-"), runtime.Version()}
-	return strings.Join(infos, "/")
-}
-
-func parseDBFeatures(cfg *ethconfig.Config, stack *node.Node) string {
-	var features []string
-	if cfg.StateScheme == rawdb.PathScheme {
-		features = append(features, "PBSS")
-	}
-	if stack.CheckIfMultiDataBase() {
-		features = append(features, "MultiDB")
-	}
-	return strings.Join(features, "|")
-}
-
-func parseMiningFeatures(ctx *cli.Context, cfg *ethconfig.Config) string {
-	if !ctx.Bool(MiningEnabledFlag.Name) {
-		return ""
-	}
-	var features []string
-	if cfg.Miner.Mev.Enabled {
-		features = append(features, "MEV")
-	}
-	if cfg.Miner.VoteEnable {
-		features = append(features, "FFVoting")
-	}
-	return strings.Join(features, "|")
-}
-
 func SetupMetrics(ctx *cli.Context, options ...SetupMetricsOption) {
 	if metrics.Enabled {
 		log.Info("Enabling metrics collection")
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -59,9 +59,6 @@ type ChainHeaderReader interface {
 	// GetHighestVerifiedHeader retrieves the highest header verified.
 	GetHighestVerifiedHeader() *types.Header

-	// GetVerifiedBlockByHash retrieves the highest verified block.
-	GetVerifiedBlockByHash(hash common.Hash) *types.Header
-
 	// ChasingHead return the best chain head of peers.
 	ChasingHead() *types.Header
 }
--- a/consensus/parlia/abi.go
+++ b/consensus/parlia/abi.go
@@ -2306,19 +2306,6 @@ const validatorSetABI = `
    ],
    "stateMutability": "view"
  },
-  {
-    "inputs": [],
-    "name": "getTurnLength",
-    "outputs": [
-      {
-        "internalType": "uint256",
-        "name": "",
-        "type": "uint256"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
  {
    "type": "function",
    "name": "getValidators",
--- a/consensus/parlia/api.go
+++ b/consensus/parlia/api.go
@@ -31,7 +31,13 @@ type API struct {

 // GetSnapshot retrieves the state snapshot at a given block.
 func (api *API) GetSnapshot(number *rpc.BlockNumber) (*Snapshot, error) {
-	header := api.getHeader(number)
+	// Retrieve the requested block number (or current if none requested)
+	var header *types.Header
+	if number == nil || *number == rpc.LatestBlockNumber {
+		header = api.chain.CurrentHeader()
+	} else {
+		header = api.chain.GetHeaderByNumber(uint64(number.Int64()))
+	}
 	// Ensure we have an actually valid block and return its snapshot
 	if header == nil {
 		return nil, errUnknownBlock
@@ -50,7 +56,13 @@ func (api *API) GetSnapshotAtHash(hash common.Hash) (*Snapshot, error) {

 // GetValidators retrieves the list of validators at the specified block.
 func (api *API) GetValidators(number *rpc.BlockNumber) ([]common.Address, error) {
-	header := api.getHeader(number)
+	// Retrieve the requested block number (or current if none requested)
+	var header *types.Header
+	if number == nil || *number == rpc.LatestBlockNumber {
+		header = api.chain.CurrentHeader()
+	} else {
+		header = api.chain.GetHeaderByNumber(uint64(number.Int64()))
+	}
 	// Ensure we have an actually valid block and return the validators from its snapshot
 	if header == nil {
 		return nil, errUnknownBlock
@@ -74,65 +86,3 @@ func (api *API) GetValidatorsAtHash(hash common.Hash) ([]common.Address, error)
 	}
 	return snap.validators(), nil
 }
-
-func (api *API) GetJustifiedNumber(number *rpc.BlockNumber) (uint64, error) {
-	header := api.getHeader(number)
-	// Ensure we have an actually valid block and return the validators from its snapshot
-	if header == nil {
-		return 0, errUnknownBlock
-	}
-	snap, err := api.parlia.snapshot(api.chain, header.Number.Uint64(), header.Hash(), nil)
-	if err != nil || snap.Attestation == nil {
-		return 0, err
-	}
-	return snap.Attestation.TargetNumber, nil
-}
-
-func (api *API) GetTurnLength(number *rpc.BlockNumber) (uint8, error) {
-	header := api.getHeader(number)
-	// Ensure we have an actually valid block and return the validators from its snapshot
-	if header == nil {
-		return 0, errUnknownBlock
-	}
-	snap, err := api.parlia.snapshot(api.chain, header.Number.Uint64(), header.Hash(), nil)
-	if err != nil || snap.TurnLength == 0 {
-		return 0, err
-	}
-	return snap.TurnLength, nil
-}
-
-func (api *API) GetFinalizedNumber(number *rpc.BlockNumber) (uint64, error) {
-	header := api.getHeader(number)
-	// Ensure we have an actually valid block and return the validators from its snapshot
-	if header == nil {
-		return 0, errUnknownBlock
-	}
-	snap, err := api.parlia.snapshot(api.chain, header.Number.Uint64(), header.Hash(), nil)
-	if err != nil || snap.Attestation == nil {
-		return 0, err
-	}
-	return snap.Attestation.SourceNumber, nil
-}
-
-func (api *API) getHeader(number *rpc.BlockNumber) (header *types.Header) {
-	currentHeader := api.chain.CurrentHeader()
-
-	if number == nil || *number == rpc.LatestBlockNumber {
-		header = currentHeader // current if none requested
-	} else if *number == rpc.SafeBlockNumber {
-		justifiedNumber, _, err := api.parlia.GetJustifiedNumberAndHash(api.chain, []*types.Header{currentHeader})
-		if err != nil {
-			return nil
-		}
-		header = api.chain.GetHeaderByNumber(justifiedNumber)
-	} else if *number == rpc.FinalizedBlockNumber {
-		header = api.parlia.GetFinalizedHeader(api.chain, currentHeader)
-	} else if *number == rpc.PendingBlockNumber {
-		return nil // no pending blocks on bsc
-	} else if *number == rpc.EarliestBlockNumber {
-		header = api.chain.GetHeaderByNumber(0)
-	} else {
-		header = api.chain.GetHeaderByNumber(uint64(number.Int64()))
-	}
-	return
-}
--- a/consensus/parlia/bohrFork.go
+++ b/consensus/parlia/bohrFork.go
@@ -1,91 +0,0 @@
-package parlia
-
-import (
-	"context"
-	"errors"
-	"math/big"
-	mrand "math/rand"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/common/math"
-	"github.com/ethereum/go-ethereum/consensus"
-	"github.com/ethereum/go-ethereum/core/systemcontracts"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-func (p *Parlia) getTurnLength(chain consensus.ChainHeaderReader, header *types.Header) (*uint8, error) {
-	parent := chain.GetHeaderByHash(header.ParentHash)
-	if parent == nil {
-		return nil, errors.New("parent not found")
-	}
-
-	var turnLength uint8
-	if p.chainConfig.IsBohr(parent.Number, parent.Time) {
-		turnLengthFromContract, err := p.getTurnLengthFromContract(parent)
-		if err != nil {
-			return nil, err
-		}
-		if turnLengthFromContract == nil {
-			return nil, errors.New("unexpected error when getTurnLengthFromContract")
-		}
-		turnLength = uint8(turnLengthFromContract.Int64())
-	} else {
-		turnLength = defaultTurnLength
-	}
-	log.Debug("getTurnLength", "turnLength", turnLength)
-
-	return &turnLength, nil
-}
-
-func (p *Parlia) getTurnLengthFromContract(header *types.Header) (turnLength *big.Int, err error) {
-	// mock to get turnLength from the contract
-	if params.FixedTurnLength >= 1 && params.FixedTurnLength <= 9 {
-		if params.FixedTurnLength == 2 {
-			return p.getRandTurnLength(header)
-		}
-		return big.NewInt(int64(params.FixedTurnLength)), nil
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	method := "getTurnLength"
-	toAddress := common.HexToAddress(systemcontracts.ValidatorContract)
-	gas := (hexutil.Uint64)(uint64(math.MaxUint64 / 2))
-
-	data, err := p.validatorSetABI.Pack(method)
-	if err != nil {
-		log.Error("Unable to pack tx for getTurnLength", "error", err)
-		return nil, err
-	}
-	msgData := (hexutil.Bytes)(data)
-
-	blockNr := rpc.BlockNumberOrHashWithHash(header.Hash(), false)
-	result, err := p.ethAPI.Call(ctx, ethapi.TransactionArgs{
-		Gas:  &gas,
-		To:   &toAddress,
-		Data: &msgData,
-	}, &blockNr, nil, nil)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := p.validatorSetABI.UnpackIntoInterface(&turnLength, method, result); err != nil {
-		return nil, err
-	}
-
-	return turnLength, nil
-}
-
-// getRandTurnLength returns a random valid value, used to test switching turn length
-func (p *Parlia) getRandTurnLength(header *types.Header) (turnLength *big.Int, err error) {
-	turnLengths := [8]uint8{1, 3, 4, 5, 6, 7, 8, 9}
-	r := mrand.New(mrand.NewSource(int64(header.Time)))
-	lengthIndex := int(r.Int31n(int32(len(turnLengths))))
-	return big.NewInt(int64(turnLengths[lengthIndex])), nil
-}
--- a/consensus/parlia/parlia.go
+++ b/consensus/parlia/parlia.go
@@ -6,7 +6,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io"
 	"math"
 	"math/big"
 	"math/rand"
@@ -54,13 +53,11 @@ const (
 	inMemoryHeaders    = 86400 // Number of recent headers to keep in memory for double sign detection,

 	checkpointInterval = 1024        // Number of blocks after which to save the snapshot to the database
-	defaultEpochLength = uint64(200) // Default number of blocks of checkpoint to update validatorSet from contract
-	defaultTurnLength  = uint8(1)    // Default consecutive number of blocks a validator receives priority for block production
+	defaultEpochLength = uint64(100) // Default number of blocks of checkpoint to update validatorSet from contract

 	extraVanity      = 32 // Fixed number of extra-data prefix bytes reserved for signer vanity
 	extraSeal        = 65 // Fixed number of extra-data suffix bytes reserved for signer seal
 	nextForkHashSize = 4  // Fixed number of extra-data suffix bytes reserved for nextForkHash.
-	turnLengthSize   = 1  // Fixed number of extra-data suffix bytes reserved for turnLength

 	validatorBytesLengthBeforeLuban = common.AddressLength
 	validatorBytesLength            = common.AddressLength + types.BLSPublicKeyLength
@@ -129,10 +126,6 @@ var (
 	// invalid list of validators (i.e. non divisible by 20 bytes).
 	errInvalidSpanValidators = errors.New("invalid validator list on sprint end block")

-	// errInvalidTurnLength is returned if a block contains an
-	// invalid length of turn (i.e. no data left after parsing validators).
-	errInvalidTurnLength = errors.New("invalid turnLength")
-
 	// errInvalidMixDigest is returned if a block's mix digest is non-zero.
 	errInvalidMixDigest = errors.New("non-zero mix digest")

@@ -143,10 +136,6 @@ var (
 	// list of validators different than the one the local node calculated.
 	errMismatchingEpochValidators = errors.New("mismatching validator list on epoch block")

-	// errMismatchingEpochTurnLength is returned if a sprint block contains a
-	// turn length different than the one the local node calculated.
-	errMismatchingEpochTurnLength = errors.New("mismatching turn length on epoch block")
-
 	// errInvalidDifficulty is returned if the difficulty of a block is missing.
 	errInvalidDifficulty = errors.New("invalid difficulty")

@@ -380,7 +369,6 @@ func (p *Parlia) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*typ
 // On luban fork, we introduce vote attestation into the header's extra field, so extra format is different from before.
 // Before luban fork: |---Extra Vanity---|---Validators Bytes (or Empty)---|---Extra Seal---|
 // After luban fork:  |---Extra Vanity---|---Validators Number and Validators Bytes (or Empty)---|---Vote Attestation (or Empty)---|---Extra Seal---|
-// After bohr fork:   |---Extra Vanity---|---Validators Number and Validators Bytes (or Empty)---|---Turn Length (or Empty)---|---Vote Attestation (or Empty)---|---Extra Seal---|
 func getValidatorBytesFromHeader(header *types.Header, chainConfig *params.ChainConfig, parliaConfig *params.ParliaConfig) []byte {
 	if len(header.Extra) <= extraVanity+extraSeal {
 		return nil
@@ -397,15 +385,11 @@ func getValidatorBytesFromHeader(header *types.Header, chainConfig *params.Chain
 		return nil
 	}
 	num := int(header.Extra[extraVanity])
-	start := extraVanity + validatorNumberSize
-	end := start + num*validatorBytesLength
-	extraMinLen := end + extraSeal
-	if chainConfig.IsBohr(header.Number, header.Time) {
-		extraMinLen += turnLengthSize
-	}
-	if num == 0 || len(header.Extra) < extraMinLen {
+	if num == 0 || len(header.Extra) <= extraVanity+extraSeal+num*validatorBytesLength {
 		return nil
 	}
+	start := extraVanity + validatorNumberSize
+	end := start + num*validatorBytesLength
 	return header.Extra[start:end]
 }

@@ -424,14 +408,11 @@ func getVoteAttestationFromHeader(header *types.Header, chainConfig *params.Chai
 		attestationBytes = header.Extra[extraVanity : len(header.Extra)-extraSeal]
 	} else {
 		num := int(header.Extra[extraVanity])
-		start := extraVanity + validatorNumberSize + num*validatorBytesLength
-		if chainConfig.IsBohr(header.Number, header.Time) {
-			start += turnLengthSize
-		}
-		end := len(header.Extra) - extraSeal
-		if end <= start {
+		if len(header.Extra) <= extraVanity+extraSeal+validatorNumberSize+num*validatorBytesLength {
 			return nil, nil
 		}
+		start := extraVanity + validatorNumberSize + num*validatorBytesLength
+		end := len(header.Extra) - extraSeal
 		attestationBytes = header.Extra[start:end]
 	}

@@ -623,11 +604,15 @@ func (p *Parlia) verifyHeader(chain consensus.ChainHeaderReader, header *types.H
 			return fmt.Errorf("invalid excessBlobGas: have %d, expected nil", header.ExcessBlobGas)
 		case header.BlobGasUsed != nil:
 			return fmt.Errorf("invalid blobGasUsed: have %d, expected nil", header.BlobGasUsed)
+		case header.ParentBeaconRoot != nil:
+			return fmt.Errorf("invalid parentBeaconRoot, have %#x, expected nil", header.ParentBeaconRoot)
 		case header.WithdrawalsHash != nil:
 			return fmt.Errorf("invalid WithdrawalsHash, have %#x, expected nil", header.WithdrawalsHash)
 		}
 	} else {
 		switch {
+		case header.ParentBeaconRoot != nil:
+			return fmt.Errorf("invalid parentBeaconRoot, have %#x, expected nil", header.ParentBeaconRoot)
 		case !header.EmptyWithdrawalsHash():
 			return errors.New("header has wrong WithdrawalsHash")
 		}
@@ -636,17 +621,6 @@ func (p *Parlia) verifyHeader(chain consensus.ChainHeaderReader, header *types.H
 		}
 	}

-	bohr := chain.Config().IsBohr(header.Number, header.Time)
-	if !bohr {
-		if header.ParentBeaconRoot != nil {
-			return fmt.Errorf("invalid parentBeaconRoot, have %#x, expected nil", header.ParentBeaconRoot)
-		}
-	} else {
-		if header.ParentBeaconRoot == nil || *header.ParentBeaconRoot != (common.Hash{}) {
-			return fmt.Errorf("invalid parentBeaconRoot, have %#x, expected zero hash", header.ParentBeaconRoot)
-		}
-	}
-
 	// All basic checks passed, verify cascading fields
 	return p.verifyCascadingFields(chain, header, parents)
 }
@@ -739,28 +713,13 @@ func (p *Parlia) snapshot(chain consensus.ChainHeaderReader, number uint64, hash
 			}
 		}

-		// If we're at the genesis, snapshot the initial state. Alternatively if we have
-		// piled up more headers than allowed to be reorged (chain reinit from a freezer),
-		// consider the checkpoint trusted and snapshot it.
-		// An offset `p.config.Epoch - 1` can ensure getting the right validators.
-		if number == 0 || ((number+1)%p.config.Epoch == 0 && (len(headers) > int(params.FullImmutabilityThreshold))) {
-			var (
-				checkpoint *types.Header
-				blockHash  common.Hash
-			)
-			if number == 0 {
-				checkpoint = chain.GetHeaderByNumber(0)
-				if checkpoint != nil {
-					blockHash = checkpoint.Hash()
-				}
-			} else {
-				checkpoint = chain.GetHeaderByNumber(number + 1 - p.config.Epoch)
-				blockHeader := chain.GetHeaderByNumber(number)
-				if blockHeader != nil {
-					blockHash = blockHeader.Hash()
-				}
-			}
-			if checkpoint != nil && blockHash != (common.Hash{}) {
+		// If we're at the genesis, snapshot the initial state.
+		if number == 0 {
+			checkpoint := chain.GetHeaderByNumber(number)
+			if checkpoint != nil {
+				// get checkpoint data
+				hash := checkpoint.Hash()
+
 				// get validators from headers
 				validators, voteAddrs, err := parseValidators(checkpoint, p.chainConfig, p.config)
 				if err != nil {
@@ -768,27 +727,11 @@ func (p *Parlia) snapshot(chain consensus.ChainHeaderReader, number uint64, hash
 				}

 				// new snapshot
-				snap = newSnapshot(p.config, p.signatures, number, blockHash, validators, voteAddrs, p.ethAPI)
-
-				// get turnLength from headers and use that for new turnLength
-				turnLength, err := parseTurnLength(checkpoint, p.chainConfig, p.config)
-				if err != nil {
-					return nil, err
-				}
-				if turnLength != nil {
-					snap.TurnLength = *turnLength
-				}
-
-				// snap.Recents is currently empty, which affects the following:
-				// a. The function SignRecently - This is acceptable since an empty snap.Recents results in a more lenient check.
-				// b. The function blockTimeVerifyForRamanujanFork - This is also acceptable as it won't be invoked during `snap.apply`.
-				// c. This may cause a mismatch in the slash systemtx, but the transaction list is not verified during `snap.apply`.
-
-				// snap.Attestation is nil, but Snapshot.updateAttestation will handle it correctly.
+				snap = newSnapshot(p.config, p.signatures, number, hash, validators, voteAddrs, p.ethAPI)
 				if err := snap.store(p.db); err != nil {
 					return nil, err
 				}
-				log.Info("Stored checkpoint snapshot to disk", "number", number, "hash", blockHash)
+				log.Info("Stored checkpoint snapshot to disk", "number", number, "hash", hash)
 				break
 			}
 		}
@@ -945,24 +888,6 @@ func (p *Parlia) prepareValidators(header *types.Header) error {
 	return nil
 }

-func (p *Parlia) prepareTurnLength(chain consensus.ChainHeaderReader, header *types.Header) error {
-	if header.Number.Uint64()%p.config.Epoch != 0 ||
-		!p.chainConfig.IsBohr(header.Number, header.Time) {
-		return nil
-	}
-
-	turnLength, err := p.getTurnLength(chain, header)
-	if err != nil {
-		return err
-	}
-
-	if turnLength != nil {
-		header.Extra = append(header.Extra, *turnLength)
-	}
-
-	return nil
-}
-
 func (p *Parlia) assembleVoteAttestation(chain consensus.ChainHeaderReader, header *types.Header) error {
 	if !p.chainConfig.IsLuban(header.Number) || header.Number.Uint64() < 2 {
 		return nil
@@ -1094,9 +1019,6 @@ func (p *Parlia) Prepare(chain consensus.ChainHeaderReader, header *types.Header
 		return err
 	}

-	if err := p.prepareTurnLength(chain, header); err != nil {
-		return err
-	}
 	// add extra seal space
 	header.Extra = append(header.Extra, make([]byte, extraSeal)...)

@@ -1147,30 +1069,6 @@ func (p *Parlia) verifyValidators(header *types.Header) error {
 	return nil
 }

-func (p *Parlia) verifyTurnLength(chain consensus.ChainHeaderReader, header *types.Header) error {
-	if header.Number.Uint64()%p.config.Epoch != 0 ||
-		!p.chainConfig.IsBohr(header.Number, header.Time) {
-		return nil
-	}
-
-	turnLengthFromHeader, err := parseTurnLength(header, p.chainConfig, p.config)
-	if err != nil {
-		return err
-	}
-	if turnLengthFromHeader != nil {
-		turnLength, err := p.getTurnLength(chain, header)
-		if err != nil {
-			return err
-		}
-		if turnLength != nil && *turnLength == *turnLengthFromHeader {
-			log.Debug("verifyTurnLength", "turnLength", *turnLength)
-			return nil
-		}
-	}
-
-	return errMismatchingEpochTurnLength
-}
-
 func (p *Parlia) distributeFinalityReward(chain consensus.ChainHeaderReader, state *state.StateDB, header *types.Header,
 	cx core.ChainContext, txs *[]*types.Transaction, receipts *[]*types.Receipt, systemTxs *[]*types.Transaction,
 	usedGas *uint64, mining bool) error {
@@ -1265,10 +1163,6 @@ func (p *Parlia) Finalize(chain consensus.ChainHeaderReader, header *types.Heade
 		return err
 	}

-	if err := p.verifyTurnLength(chain, header); err != nil {
-		return err
-	}
-
 	cx := chainContext{Chain: chain, parlia: p}

 	parent := chain.GetHeaderByHash(header.ParentHash)
@@ -1295,7 +1189,7 @@ func (p *Parlia) Finalize(chain consensus.ChainHeaderReader, header *types.Heade
 		}
 	}
 	if header.Difficulty.Cmp(diffInTurn) != 0 {
-		spoiledVal := snap.inturnValidator()
+		spoiledVal := snap.supposeValidator()
 		signedRecently := false
 		if p.chainConfig.IsPlato(header.Number) {
 			signedRecently = snap.SignRecently(spoiledVal)
@@ -1386,7 +1280,7 @@ func (p *Parlia) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *
 		if err != nil {
 			return nil, nil, err
 		}
-		spoiledVal := snap.inturnValidator()
+		spoiledVal := snap.supposeValidator()
 		signedRecently := false
 		if p.chainConfig.IsPlato(header.Number) {
 			signedRecently = snap.SignRecently(spoiledVal)
@@ -1468,7 +1362,7 @@ func (p *Parlia) IsActiveValidatorAt(chain consensus.ChainHeaderReader, header *
 func (p *Parlia) VerifyVote(chain consensus.ChainHeaderReader, vote *types.VoteEnvelope) error {
 	targetNumber := vote.Data.TargetNumber
 	targetHash := vote.Data.TargetHash
-	header := chain.GetVerifiedBlockByHash(targetHash)
+	header := chain.GetHeaderByHash(targetHash)
 	if header == nil {
 		log.Warn("BlockHeader at current voteBlockNumber is nil", "targetNumber", targetNumber, "targetHash", targetHash)
 		return errors.New("BlockHeader at current voteBlockNumber is nil")
@@ -1539,13 +1433,10 @@ func (p *Parlia) Delay(chain consensus.ChainReader, header *types.Header, leftOv
 		delay = delay - *leftOver
 	}

-	// The blocking time should be no more than half of period when snap.TurnLength == 1
-	timeForMining := time.Duration(p.config.Period) * time.Second / 2
-	if !snap.lastBlockInOneTurn(header.Number.Uint64()) {
-		timeForMining = time.Duration(p.config.Period) * time.Second * 2 / 3
-	}
-	if delay > timeForMining {
-		delay = timeForMining
+	// The blocking time should be no more than half of period
+	half := time.Duration(p.config.Period) * time.Second / 2
+	if delay > half {
+		delay = half
 	}
 	return &delay
 }
@@ -1703,35 +1594,11 @@ func CalcDifficulty(snap *Snapshot, signer common.Address) *big.Int {
 	return new(big.Int).Set(diffNoTurn)
 }

-func encodeSigHeaderWithoutVoteAttestation(w io.Writer, header *types.Header, chainId *big.Int) {
-	err := rlp.Encode(w, []interface{}{
-		chainId,
-		header.ParentHash,
-		header.UncleHash,
-		header.Coinbase,
-		header.Root,
-		header.TxHash,
-		header.ReceiptHash,
-		header.Bloom,
-		header.Difficulty,
-		header.Number,
-		header.GasLimit,
-		header.GasUsed,
-		header.Time,
-		header.Extra[:extraVanity], // this will panic if extra is too short, should check before calling encodeSigHeaderWithoutVoteAttestation
-		header.MixDigest,
-		header.Nonce,
-	})
-	if err != nil {
-		panic("can't encode: " + err.Error())
-	}
-}
-
 // SealHash returns the hash of a block without vote attestation prior to it being sealed.
 // So it's not the real hash of a block, just used as unique id to distinguish task
 func (p *Parlia) SealHash(header *types.Header) (hash common.Hash) {
 	hasher := sha3.NewLegacyKeccak256()
-	encodeSigHeaderWithoutVoteAttestation(hasher, header, p.chainConfig.ChainID)
+	types.EncodeSigHeaderWithoutVoteAttestation(hasher, header, p.chainConfig.ChainID)
 	hasher.Sum(hash[:0])
 	return hash
 }
@@ -2037,40 +1904,42 @@ func (p *Parlia) GetFinalizedHeader(chain consensus.ChainHeaderReader, header *t
 // ===========================     utility function        ==========================
 func (p *Parlia) backOffTime(snap *Snapshot, header *types.Header, val common.Address) uint64 {
 	if snap.inturn(val) {
-		log.Debug("backOffTime", "blockNumber", header.Number, "in turn validator", val)
 		return 0
 	} else {
 		delay := initialBackOffTime
 		validators := snap.validators()
 		if p.chainConfig.IsPlanck(header.Number) {
-			counts := snap.countRecents()
-			for addr, seenTimes := range counts {
-				log.Debug("backOffTime", "blockNumber", header.Number, "validator", addr, "seenTimes", seenTimes)
+			// reverse the key/value of snap.Recents to get recentsMap
+			recentsMap := make(map[common.Address]uint64, len(snap.Recents))
+			bound := uint64(0)
+			if n, limit := header.Number.Uint64(), uint64(len(validators)/2+1); n > limit {
+				bound = n - limit
+			}
+			for seen, recent := range snap.Recents {
+				if seen <= bound {
+					continue
+				}
+				recentsMap[recent] = seen
 			}

 			// The backOffTime does not matter when a validator has signed recently.
-			if snap.signRecentlyByCounts(val, counts) {
+			if _, ok := recentsMap[val]; ok {
 				return 0
 			}

-			inTurnAddr := snap.inturnValidator()
-			if snap.signRecentlyByCounts(inTurnAddr, counts) {
+			inTurnAddr := validators[(snap.Number+1)%uint64(len(validators))]
+			if _, ok := recentsMap[inTurnAddr]; ok {
 				log.Debug("in turn validator has recently signed, skip initialBackOffTime",
 					"inTurnAddr", inTurnAddr)
 				delay = 0
 			}

-			// Exclude the recently signed validators and the in turn validator
+			// Exclude the recently signed validators
 			temp := make([]common.Address, 0, len(validators))
 			for _, addr := range validators {
-				if snap.signRecentlyByCounts(addr, counts) {
+				if _, ok := recentsMap[addr]; ok {
 					continue
 				}
-				if p.chainConfig.IsBohr(header.Number, header.Time) {
-					if addr == inTurnAddr {
-						continue
-					}
-				}
 				temp = append(temp, addr)
 			}
 			validators = temp
@@ -2088,11 +1957,7 @@ func (p *Parlia) backOffTime(snap *Snapshot, header *types.Header, val common.Ad
 			return 0
 		}

-		randSeed := snap.Number
-		if p.chainConfig.IsBohr(header.Number, header.Time) {
-			randSeed = header.Number.Uint64() / uint64(snap.TurnLength)
-		}
-		s := rand.NewSource(int64(randSeed))
+		s := rand.NewSource(int64(snap.Number))
 		r := rand.New(s)
 		n := len(validators)
 		backOffSteps := make([]uint64, 0, n)
--- a/consensus/parlia/parlia_test.go
+++ b/consensus/parlia/parlia_test.go
@@ -22,44 +22,22 @@ func TestImpactOfValidatorOutOfService(t *testing.T) {
 	testCases := []struct {
 		totalValidators int
 		downValidators  int
-		turnLength      int
 	}{
-		{3, 1, 1},
-		{5, 2, 1},
-		{10, 1, 2},
-		{10, 4, 2},
-		{21, 1, 3},
-		{21, 3, 3},
-		{21, 5, 4},
-		{21, 10, 5},
+		{3, 1},
+		{5, 2},
+		{10, 1},
+		{10, 4},
+		{21, 1},
+		{21, 3},
+		{21, 5},
+		{21, 10},
 	}
 	for _, tc := range testCases {
-		simulateValidatorOutOfService(tc.totalValidators, tc.downValidators, tc.turnLength)
+		simulateValidatorOutOfService(tc.totalValidators, tc.downValidators)
 	}
 }

-// refer Snapshot.SignRecently
-func signRecently(idx int, recents map[uint64]int, turnLength int) bool {
-	recentSignTimes := 0
-	for _, signIdx := range recents {
-		if signIdx == idx {
-			recentSignTimes += 1
-		}
-	}
-	return recentSignTimes >= turnLength
-}
-
-// refer Snapshot.minerHistoryCheckLen
-func minerHistoryCheckLen(totalValidators int, turnLength int) uint64 {
-	return uint64(totalValidators/2+1)*uint64(turnLength) - 1
-}
-
-// refer Snapshot.inturnValidator
-func inturnValidator(totalValidators int, turnLength int, height int) int {
-	return height / turnLength % totalValidators
-}
-
-func simulateValidatorOutOfService(totalValidators int, downValidators int, turnLength int) {
+func simulateValidatorOutOfService(totalValidators int, downValidators int) {
 	downBlocks := 10000
 	recoverBlocks := 10000
 	recents := make(map[uint64]int)
@@ -77,7 +55,12 @@ func simulateValidatorOutOfService(totalValidators int, downValidators int, turn
 		delete(validators, down[i])
 	}
 	isRecentSign := func(idx int) bool {
-		return signRecently(idx, recents, turnLength)
+		for _, signIdx := range recents {
+			if signIdx == idx {
+				return true
+			}
+		}
+		return false
 	}
 	isInService := func(idx int) bool {
 		return validators[idx]
@@ -85,10 +68,10 @@ func simulateValidatorOutOfService(totalValidators int, downValidators int, turn

 	downDelay := uint64(0)
 	for h := 1; h <= downBlocks; h++ {
-		if limit := minerHistoryCheckLen(totalValidators, turnLength) + 1; uint64(h) >= limit {
+		if limit := uint64(totalValidators/2 + 1); uint64(h) >= limit {
 			delete(recents, uint64(h)-limit)
 		}
-		proposer := inturnValidator(totalValidators, turnLength, h)
+		proposer := h % totalValidators
 		if !isInService(proposer) || isRecentSign(proposer) {
 			candidates := make(map[int]bool, totalValidators/2)
 			for v := range validators {
@@ -116,10 +99,10 @@ func simulateValidatorOutOfService(totalValidators int, downValidators int, turn
 	recoverDelay := uint64(0)
 	lastseen := downBlocks
 	for h := downBlocks + 1; h <= downBlocks+recoverBlocks; h++ {
-		if limit := minerHistoryCheckLen(totalValidators, turnLength) + 1; uint64(h) >= limit {
+		if limit := uint64(totalValidators/2 + 1); uint64(h) >= limit {
 			delete(recents, uint64(h)-limit)
 		}
-		proposer := inturnValidator(totalValidators, turnLength, h)
+		proposer := h % totalValidators
 		if !isInService(proposer) || isRecentSign(proposer) {
 			lastseen = h
 			candidates := make(map[int]bool, totalValidators/2)
--- a/consensus/parlia/snapshot.go
+++ b/consensus/parlia/snapshot.go
@@ -22,7 +22,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math"
 	"sort"

 	lru "github.com/hashicorp/golang-lru"
@@ -44,7 +43,6 @@ type Snapshot struct {

 	Number           uint64                            `json:"number"`                // Block number where the snapshot was created
 	Hash             common.Hash                       `json:"hash"`                  // Block hash where the snapshot was created
-	TurnLength       uint8                             `json:"turn_length"`           // Length of `turn`, meaning the consecutive number of blocks a validator receives priority for block production
 	Validators       map[common.Address]*ValidatorInfo `json:"validators"`            // Set of authorized validators at this moment
 	Recents          map[uint64]common.Address         `json:"recents"`               // Set of recent validators for spam protections
 	RecentForkHashes map[uint64]string                 `json:"recent_fork_hashes"`    // Set of recent forkHash
@@ -74,7 +72,6 @@ func newSnapshot(
 		sigCache:         sigCache,
 		Number:           number,
 		Hash:             hash,
-		TurnLength:       defaultTurnLength,
 		Recents:          make(map[uint64]common.Address),
 		RecentForkHashes: make(map[uint64]string),
 		Validators:       make(map[common.Address]*ValidatorInfo),
@@ -117,10 +114,6 @@ func loadSnapshot(config *params.ParliaConfig, sigCache *lru.ARCCache, db ethdb.
 	if err := json.Unmarshal(blob, snap); err != nil {
 		return nil, err
 	}
-	if snap.TurnLength == 0 { // no TurnLength field in old snapshots
-		snap.TurnLength = defaultTurnLength
-	}
-
 	snap.config = config
 	snap.sigCache = sigCache
 	snap.ethAPI = ethAPI
@@ -145,7 +138,6 @@ func (s *Snapshot) copy() *Snapshot {
 		sigCache:         s.sigCache,
 		Number:           s.Number,
 		Hash:             s.Hash,
-		TurnLength:       s.TurnLength,
 		Validators:       make(map[common.Address]*ValidatorInfo),
 		Recents:          make(map[uint64]common.Address),
 		RecentForkHashes: make(map[uint64]string),
@@ -218,43 +210,15 @@ func (s *Snapshot) updateAttestation(header *types.Header, chainConfig *params.C
 	}
 }

-func (s *Snapshot) versionHistoryCheckLen() uint64 {
-	return uint64(len(s.Validators)) * uint64(s.TurnLength)
-}
-
-func (s *Snapshot) minerHistoryCheckLen() uint64 {
-	return (uint64(len(s.Validators))/2+1)*uint64(s.TurnLength) - 1
-}
-
-func (s *Snapshot) countRecents() map[common.Address]uint8 {
-	leftHistoryBound := uint64(0) // the bound is excluded
-	checkHistoryLength := s.minerHistoryCheckLen()
-	if s.Number > checkHistoryLength {
-		leftHistoryBound = s.Number - checkHistoryLength
-	}
-	counts := make(map[common.Address]uint8, len(s.Validators))
-	for seen, recent := range s.Recents {
-		if seen <= leftHistoryBound || recent == (common.Address{}) /*when seen == `epochKey`*/ {
-			continue
-		}
-		counts[recent] += 1
-	}
-	return counts
-}
-
-func (s *Snapshot) signRecentlyByCounts(validator common.Address, counts map[common.Address]uint8) bool {
-	if seenTimes, ok := counts[validator]; ok && seenTimes >= s.TurnLength {
-		if seenTimes > s.TurnLength {
-			log.Warn("produce more blocks than expected!", "validator", validator, "seenTimes", seenTimes)
-		}
-		return true
-	}
-
-	return false
-}
-
 func (s *Snapshot) SignRecently(validator common.Address) bool {
-	return s.signRecentlyByCounts(validator, s.countRecents())
+	for seen, recent := range s.Recents {
+		if recent == validator {
+			if limit := uint64(len(s.Validators)/2 + 1); s.Number+1 < limit || seen > s.Number+1-limit {
+				return true
+			}
+		}
+	}
+	return false
 }

 func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderReader, parents []*types.Header, chainConfig *params.ChainConfig) (*Snapshot, error) {
@@ -283,10 +247,10 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 	for _, header := range headers {
 		number := header.Number.Uint64()
 		// Delete the oldest validator from the recent list to allow it signing again
-		if limit := snap.minerHistoryCheckLen() + 1; number >= limit {
+		if limit := uint64(len(snap.Validators)/2 + 1); number >= limit {
 			delete(snap.Recents, number-limit)
 		}
-		if limit := snap.versionHistoryCheckLen(); number >= limit {
+		if limit := uint64(len(snap.Validators)); number >= limit {
 			delete(snap.RecentForkHashes, number-limit)
 		}
 		// Resolve the authorization key and check against signers
@@ -297,47 +261,19 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 		if _, ok := snap.Validators[validator]; !ok {
 			return nil, errUnauthorizedValidator(validator.String())
 		}
-		if chainConfig.IsBohr(header.Number, header.Time) {
-			if snap.SignRecently(validator) {
+		for _, recent := range snap.Recents {
+			if recent == validator {
 				return nil, errRecentlySigned
 			}
-		} else {
-			for _, recent := range snap.Recents {
-				if recent == validator {
-					return nil, errRecentlySigned
-				}
-			}
 		}
 		snap.Recents[number] = validator
-		snap.RecentForkHashes[number] = hex.EncodeToString(header.Extra[extraVanity-nextForkHashSize : extraVanity])
-		snap.updateAttestation(header, chainConfig, s.config)
 		// change validator set
-		if number > 0 && number%s.config.Epoch == snap.minerHistoryCheckLen() {
-			epochKey := math.MaxUint64 - header.Number.Uint64()/s.config.Epoch // impossible used as a block number
-			if chainConfig.IsBohr(header.Number, header.Time) {
-				// after switching the validator set, snap.Validators may become larger,
-				// then the unexpected second switch will happen, just skip it.
-				if _, ok := snap.Recents[epochKey]; ok {
-					continue
-				}
-			}
-
-			checkpointHeader := FindAncientHeader(header, snap.minerHistoryCheckLen(), chain, parents)
+		if number > 0 && number%s.config.Epoch == uint64(len(snap.Validators)/2) {
+			checkpointHeader := FindAncientHeader(header, uint64(len(snap.Validators)/2), chain, parents)
 			if checkpointHeader == nil {
 				return nil, consensus.ErrUnknownAncestor
 			}

-			oldVersionsLen := snap.versionHistoryCheckLen()
-			// get turnLength from headers and use that for new turnLength
-			turnLength, err := parseTurnLength(checkpointHeader, chainConfig, s.config)
-			if err != nil {
-				return nil, err
-			}
-			if turnLength != nil {
-				snap.TurnLength = *turnLength
-				log.Debug("validator set switch", "turnLength", *turnLength)
-			}
-
 			// get validators from headers and use that for new validator set
 			newValArr, voteAddrs, err := parseValidators(checkpointHeader, chainConfig, s.config)
 			if err != nil {
@@ -353,18 +289,18 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 					}
 				}
 			}
-			if chainConfig.IsBohr(header.Number, header.Time) {
-				// BEP-404: Clear Miner History when Switching Validators Set
-				snap.Recents = make(map[uint64]common.Address)
-				snap.Recents[epochKey] = common.Address{}
-				log.Debug("Recents are cleared up", "blockNumber", number)
-			} else {
-				oldLimit := len(snap.Validators)/2 + 1
-				newLimit := len(newVals)/2 + 1
-				if newLimit < oldLimit {
-					for i := 0; i < oldLimit-newLimit; i++ {
-						delete(snap.Recents, number-uint64(newLimit)-uint64(i))
-					}
+			oldLimit := len(snap.Validators)/2 + 1
+			newLimit := len(newVals)/2 + 1
+			if newLimit < oldLimit {
+				for i := 0; i < oldLimit-newLimit; i++ {
+					delete(snap.Recents, number-uint64(newLimit)-uint64(i))
+				}
+			}
+			oldLimit = len(snap.Validators)
+			newLimit = len(newVals)
+			if newLimit < oldLimit {
+				for i := 0; i < oldLimit-newLimit; i++ {
+					delete(snap.RecentForkHashes, number-uint64(newLimit)-uint64(i))
 				}
 			}
 			snap.Validators = newVals
@@ -374,10 +310,11 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 					snap.Validators[val].Index = idx + 1 // offset by 1
 				}
 			}
-			for i := snap.versionHistoryCheckLen(); i < oldVersionsLen; i++ {
-				delete(snap.RecentForkHashes, number-i)
-			}
 		}
+
+		snap.updateAttestation(header, chainConfig, s.config)
+
+		snap.RecentForkHashes[number] = hex.EncodeToString(header.Extra[extraVanity-nextForkHashSize : extraVanity])
 	}
 	snap.Number += uint64(len(headers))
 	snap.Hash = headers[len(headers)-1].Hash()
@@ -394,20 +331,17 @@ func (s *Snapshot) validators() []common.Address {
 	return validators
 }

-// lastBlockInOneTurn returns if the block at height `blockNumber` is the last block in current turn.
-func (s *Snapshot) lastBlockInOneTurn(blockNumber uint64) bool {
-	return (blockNumber+1)%uint64(s.TurnLength) == 0
-}
-
 // inturn returns if a validator at a given block height is in-turn or not.
 func (s *Snapshot) inturn(validator common.Address) bool {
-	return s.inturnValidator() == validator
+	validators := s.validators()
+	offset := (s.Number + 1) % uint64(len(validators))
+	return validators[offset] == validator
 }

-// inturnValidator returns the validator for the following block height.
+// inturnValidator returns the validator at a given block height.
 func (s *Snapshot) inturnValidator() common.Address {
 	validators := s.validators()
-	offset := (s.Number + 1) / uint64(s.TurnLength) % uint64(len(validators))
+	offset := (s.Number + 1) % uint64(len(validators))
 	return validators[offset]
 }

@@ -445,6 +379,12 @@ func (s *Snapshot) indexOfVal(validator common.Address) int {
 	return -1
 }

+func (s *Snapshot) supposeValidator() common.Address {
+	validators := s.validators()
+	index := (s.Number + 1) % uint64(len(validators))
+	return validators[index]
+}
+
 func parseValidators(header *types.Header, chainConfig *params.ChainConfig, parliaConfig *params.ParliaConfig) ([]common.Address, []types.BLSPublicKey, error) {
 	validatorsBytes := getValidatorBytesFromHeader(header, chainConfig, parliaConfig)
 	if len(validatorsBytes) == 0 {
@@ -470,24 +410,6 @@ func parseValidators(header *types.Header, chainConfig *params.ChainConfig, parl
 	return cnsAddrs, voteAddrs, nil
 }

-func parseTurnLength(header *types.Header, chainConfig *params.ChainConfig, parliaConfig *params.ParliaConfig) (*uint8, error) {
-	if header.Number.Uint64()%parliaConfig.Epoch != 0 ||
-		!chainConfig.IsBohr(header.Number, header.Time) {
-		return nil, nil
-	}
-
-	if len(header.Extra) <= extraVanity+extraSeal {
-		return nil, errInvalidSpanValidators
-	}
-	num := int(header.Extra[extraVanity])
-	pos := extraVanity + validatorNumberSize + num*validatorBytesLength
-	if len(header.Extra) <= pos {
-		return nil, errInvalidTurnLength
-	}
-	turnLength := header.Extra[pos]
-	return &turnLength, nil
-}
-
 func FindAncientHeader(header *types.Header, ite uint64, chain consensus.ChainHeaderReader, candidateParents []*types.Header) *types.Header {
 	ancient := header
 	for i := uint64(1); i <= ite; i++ {
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -25,6 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/consensus"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
 )
@@ -40,6 +41,12 @@ func EnableRemoteVerifyManager(remoteValidator *remoteVerifyManager) BlockValida
 	}
 }

+var (
+	validateBloomTimer   = metrics.NewRegisteredTimer("validate/bloom/time", nil)
+	validateReceiptTimer = metrics.NewRegisteredTimer("validate/receipt/time", nil)
+	validateRootTimer    = metrics.NewRegisteredTimer("validate/root/time", nil)
+)
+
 // BlockValidator is responsible for validating block headers, uncles and
 // processed state.
 //
@@ -184,6 +191,10 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
 	// For valid blocks this should always validate to true.
 	validateFuns := []func() error{
 		func() error {
+			defer func(start time.Time) {
+				validateBloomTimer.UpdateSince(start)
+			}(time.Now())
+
 			rbloom := types.CreateBloom(receipts)
 			if rbloom != header.Bloom {
 				return fmt.Errorf("invalid bloom (remote: %x  local: %x)", header.Bloom, rbloom)
@@ -191,6 +202,9 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
 			return nil
 		},
 		func() error {
+			defer func(start time.Time) {
+				validateReceiptTimer.UpdateSince(start)
+			}(time.Now())
 			receiptSha := types.DeriveSha(receipts, trie.NewStackTrie(nil))
 			if receiptSha != header.ReceiptHash {
 				return fmt.Errorf("invalid receipt root hash (remote: %x local: %x)", header.ReceiptHash, receiptSha)
@@ -209,6 +223,9 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
 		})
 	} else {
 		validateFuns = append(validateFuns, func() error {
+			defer func(start time.Time) {
+				validateRootTimer.UpdateSince(start)
+			}(time.Now())
 			if root := statedb.IntermediateRoot(v.config.IsEIP158(header.Number)); header.Root != root {
 				return fmt.Errorf("invalid merkle root (remote: %x local: %x) dberr: %w", header.Root, root, statedb.Error())
 			}
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -74,6 +74,7 @@ var (
 	blockInsertMgaspsGauge = metrics.NewRegisteredGauge("chain/insert/mgasps", nil)

 	chainInfoGauge = metrics.NewRegisteredGaugeInfo("chain/info", nil)
+	mGasPsGauge    = metrics.NewRegisteredGauge("chain/process/gas", nil)

 	accountReadTimer   = metrics.NewRegisteredTimer("chain/account/reads", nil)
 	accountHashTimer   = metrics.NewRegisteredTimer("chain/account/hashes", nil)
@@ -91,17 +92,18 @@ var (

 	triedbCommitTimer = metrics.NewRegisteredTimer("chain/triedb/commits", nil)

-	blockInsertTimer     = metrics.NewRegisteredTimer("chain/inserts", nil)
-	blockValidationTimer = metrics.NewRegisteredTimer("chain/validation", nil)
-	blockExecutionTimer  = metrics.NewRegisteredTimer("chain/execution", nil)
-	blockWriteTimer      = metrics.NewRegisteredTimer("chain/write", nil)
+	blockInsertTimer          = metrics.NewRegisteredTimer("chain/inserts", nil)
+	blockValidationTimer      = metrics.NewRegisteredTimer("chain/validation", nil)
+	blockExecutionTimer       = metrics.NewRegisteredTimer("chain/execution", nil)
+	blockWriteTimer           = metrics.NewRegisteredTimer("chain/write", nil)
+	blockValidationTotalTimer = metrics.NewRegisteredTimer("chain/total/validation", nil)
+	blockExecutionTotalTimer  = metrics.NewRegisteredTimer("chain/total/execution", nil)
+	blockWriteTotalTimer      = metrics.NewRegisteredTimer("chain/total/write", nil)

 	blockReorgMeter     = metrics.NewRegisteredMeter("chain/reorg/executes", nil)
 	blockReorgAddMeter  = metrics.NewRegisteredMeter("chain/reorg/add", nil)
 	blockReorgDropMeter = metrics.NewRegisteredMeter("chain/reorg/drop", nil)

-	blockRecvTimeDiffGauge = metrics.NewRegisteredGauge("chain/block/recvtimediff", nil)
-
 	errStateRootVerificationFailed = errors.New("state root verification failed")
 	errInsertionInterrupted        = errors.New("insertion is interrupted")
 	errChainStopped                = errors.New("blockchain is stopped")
@@ -261,25 +263,23 @@ type BlockChain struct {
 	triesInMemory uint64
 	txIndexer     *txIndexer // Transaction indexer, might be nil if not enabled

-	hc                       *HeaderChain
-	rmLogsFeed               event.Feed
-	chainFeed                event.Feed
-	chainSideFeed            event.Feed
-	chainHeadFeed            event.Feed
-	chainBlockFeed           event.Feed
-	logsFeed                 event.Feed
-	blockProcFeed            event.Feed
-	finalizedHeaderFeed      event.Feed
-	highestVerifiedBlockFeed event.Feed
-	scope                    event.SubscriptionScope
-	genesisBlock             *types.Block
+	hc                  *HeaderChain
+	rmLogsFeed          event.Feed
+	chainFeed           event.Feed
+	chainSideFeed       event.Feed
+	chainHeadFeed       event.Feed
+	chainBlockFeed      event.Feed
+	logsFeed            event.Feed
+	blockProcFeed       event.Feed
+	finalizedHeaderFeed event.Feed
+	scope               event.SubscriptionScope
+	genesisBlock        *types.Block

 	// This mutex synchronizes chain write operations.
 	// Readers don't need to take it, they can just read the database.
 	chainmu *syncx.ClosableMutex

 	highestVerifiedHeader atomic.Pointer[types.Header]
-	highestVerifiedBlock  atomic.Pointer[types.Header]
 	currentBlock          atomic.Pointer[types.Header] // Current head of the chain
 	currentSnapBlock      atomic.Pointer[types.Header] // Current head of snap-sync
 	currentFinalBlock     atomic.Pointer[types.Header] // Latest (consensus) finalized block
@@ -404,7 +404,6 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
 	}

 	bc.highestVerifiedHeader.Store(nil)
-	bc.highestVerifiedBlock.Store(nil)
 	bc.currentBlock.Store(nil)
 	bc.currentSnapBlock.Store(nil)
 	bc.chasingHead.Store(nil)
@@ -1395,7 +1394,7 @@ func (bc *BlockChain) Stop() {
 		if !bc.cacheConfig.TrieDirtyDisabled {
 			triedb := bc.triedb
 			var once sync.Once
-			for _, offset := range []uint64{0, 1, bc.TriesInMemory() - 1} {
+			for _, offset := range []uint64{0, 1, TriesInMemory - 1} {
 				if number := bc.CurrentBlock().Number.Uint64(); number > offset {
 					recent := bc.GetBlockByNumber(number - offset)
 					log.Info("Writing cached state to disk", "block", recent.Number(), "hash", recent.Hash(), "root", recent.Root())
@@ -1805,7 +1804,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
 		}
 		bc.hc.tdCache.Add(block.Hash(), externTd)
 		bc.blockCache.Add(block.Hash(), block)
-		bc.cacheReceipts(block.Hash(), receipts, block)
+		bc.receiptsCache.Add(block.Hash(), receipts)
 		if bc.chainConfig.IsCancun(block.Number(), block.Time()) {
 			bc.sidecarsCache.Add(block.Hash(), block.Sidecars())
 		}
@@ -1833,7 +1832,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.

 		// Flush limits are not considered for the first TriesInMemory blocks.
 		current := block.NumberU64()
-		if current <= bc.TriesInMemory() {
+		if current <= TriesInMemory {
 			return nil
 		}
 		// If we exceeded our memory allowance, flush matured singleton nodes to disk
@@ -1931,19 +1930,14 @@ func (bc *BlockChain) WriteBlockAndSetHead(block *types.Block, receipts []*types
 // writeBlockAndSetHead is the internal implementation of WriteBlockAndSetHead.
 // This function expects the chain mutex to be held.
 func (bc *BlockChain) writeBlockAndSetHead(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
+	if err := bc.writeBlockWithState(block, receipts, state); err != nil {
+		return NonStatTy, err
+	}
 	currentBlock := bc.CurrentBlock()
 	reorg, err := bc.forker.ReorgNeededWithFastFinality(currentBlock, block.Header())
 	if err != nil {
 		return NonStatTy, err
 	}
-	if reorg {
-		bc.highestVerifiedBlock.Store(types.CopyHeader(block.Header()))
-		bc.highestVerifiedBlockFeed.Send(HighestVerifiedBlockEvent{Header: block.Header()})
-	}
-
-	if err := bc.writeBlockWithState(block, receipts, state); err != nil {
-		return NonStatTy, err
-	}
 	if reorg {
 		// Reorganise the chain if the parent is not the head block
 		if block.ParentHash() != currentBlock.Hash() {
@@ -2057,9 +2051,6 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 		return 0, nil
 	}

-	if len(chain) > 0 {
-		blockRecvTimeDiffGauge.Update(time.Now().Unix() - int64(chain[0].Time()))
-	}
 	// Start a parallel signature recovery (signer will fluke on fork transition, minimal perf loss)
 	signer := types.MakeSigner(bc.chainConfig, chain[0].Number(), chain[0].Time())
 	go SenderCacher.RecoverFromBlocks(signer, chain)
@@ -2281,6 +2272,8 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 			statedb.StopPrefetcher()
 			return it.index, err
 		}
+		blockExecutionTotalTimer.UpdateSince(pstart)
+
 		ptime := time.Since(pstart)

 		// Validate the state using the default validator
@@ -2291,6 +2284,8 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 			statedb.StopPrefetcher()
 			return it.index, err
 		}
+		blockValidationTotalTimer.UpdateSince(vstart)
+
 		vtime := time.Since(vstart)
 		proctime := time.Since(start) // processing + validation

@@ -2324,6 +2319,9 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 		if err != nil {
 			return it.index, err
 		}
+		blockWriteTotalTimer.UpdateSince(wstart)
+
+		bc.cacheReceipts(block.Hash(), receipts, block)

 		// Update the metrics touched during block commit
 		accountCommitTimer.Update(statedb.AccountCommits)   // Account commits are complete, we can mark them
--- a/core/blockchain_insert.go
+++ b/core/blockchain_insert.go
@@ -64,6 +64,7 @@ func (st *insertStats) report(chain []*types.Block, index int, snapDiffItems, sn
 			"blocks", st.processed, "txs", txs, "blobs", blobs, "mgas", float64(st.usedGas) / 1000000,
 			"elapsed", common.PrettyDuration(elapsed), "mgasps", mgasps,
 		}
+		mGasPsGauge.Update(int64(mgasps))
 		blockInsertMgaspsGauge.Update(int64(mgasps))
 		if timestamp := time.Unix(int64(end.Time()), 0); time.Since(timestamp) > time.Minute {
 			context = append(context, []interface{}{"age", common.PrettyAge(timestamp)}...)
--- a/core/blockchain_reader.go
+++ b/core/blockchain_reader.go
@@ -98,15 +98,6 @@ func (bc *BlockChain) GetHeaderByHash(hash common.Hash) *types.Header {
 	return bc.hc.GetHeaderByHash(hash)
 }

-// GetVerifiedBlockByHash retrieves the header of a verified block, it may be only in memory.
-func (bc *BlockChain) GetVerifiedBlockByHash(hash common.Hash) *types.Header {
-	highestVerifiedBlock := bc.highestVerifiedBlock.Load()
-	if highestVerifiedBlock != nil && highestVerifiedBlock.Hash() == hash {
-		return highestVerifiedBlock
-	}
-	return bc.hc.GetHeaderByHash(hash)
-}
-
 // GetHeaderByNumber retrieves a block header from the database by number,
 // caching it (associated with its hash) if found.
 func (bc *BlockChain) GetHeaderByNumber(number uint64) *types.Header {
@@ -495,11 +486,6 @@ func (bc *BlockChain) SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Su
 	return bc.scope.Track(bc.chainHeadFeed.Subscribe(ch))
 }

-// SubscribeHighestVerifiedBlockEvent registers a subscription of HighestVerifiedBlockEvent.
-func (bc *BlockChain) SubscribeHighestVerifiedHeaderEvent(ch chan<- HighestVerifiedBlockEvent) event.Subscription {
-	return bc.scope.Track(bc.highestVerifiedBlockFeed.Subscribe(ch))
-}
-
 // SubscribeChainBlockEvent registers a subscription of ChainBlockEvent.
 func (bc *BlockChain) SubscribeChainBlockEvent(ch chan<- ChainHeadEvent) event.Subscription {
 	return bc.scope.Track(bc.chainBlockFeed.Subscribe(ch))
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -486,7 +486,7 @@ func (cm *chainMaker) makeHeader(parent *types.Block, state *state.StateDB, engi
 		if cm.config.Parlia != nil {
 			header.WithdrawalsHash = &types.EmptyWithdrawalsHash
 		}
-		if cm.config.Parlia == nil || cm.config.IsBohr(header.Number, header.Time) {
+		if cm.config.Parlia == nil {
 			header.ParentBeaconRoot = new(common.Hash)
 		}
 	}
@@ -621,10 +621,6 @@ func (cm *chainMaker) GetHighestVerifiedHeader() *types.Header {
 	panic("not supported")
 }

-func (cm *chainMaker) GetVerifiedBlockByHash(hash common.Hash) *types.Header {
-	return cm.GetHeaderByHash(hash)
-}
-
 func (cm *chainMaker) ChasingHead() *types.Header {
 	panic("not supported")
 }
--- a/core/data_availability_test.go
+++ b/core/data_availability_test.go
@@ -365,10 +365,6 @@ func (r *mockDAHeaderReader) GetHighestVerifiedHeader() *types.Header {
 	panic("not supported")
 }

-func (r *mockDAHeaderReader) GetVerifiedBlockByHash(hash common.Hash) *types.Header {
-	panic("not supported")
-}
-
 func createMockDATx(config *params.ChainConfig, sidecar *types.BlobTxSidecar) *types.Transaction {
 	if sidecar == nil {
 		tx := &types.DynamicFeeTx{
--- a/core/events.go
+++ b/core/events.go
@@ -50,5 +50,3 @@ type ChainSideEvent struct {
 }

 type ChainHeadEvent struct{ Block *types.Block }
-
-type HighestVerifiedBlockEvent struct{ Header *types.Header }
--- a/core/forkchoice.go
+++ b/core/forkchoice.go
@@ -121,19 +121,9 @@ func (f *ForkChoice) ReorgNeeded(current *types.Header, extern *types.Header) (b
 		if f.preserve != nil {
 			currentPreserve, externPreserve = f.preserve(current), f.preserve(extern)
 		}
-		choiceRules := func() bool {
-			if extern.Time == current.Time {
-				doubleSign := (extern.Coinbase == current.Coinbase)
-				if doubleSign {
-					return extern.Hash().Cmp(current.Hash()) < 0
-				} else {
-					return f.rand.Float64() < 0.5
-				}
-			} else {
-				return extern.Time < current.Time
-			}
-		}
-		reorg = !currentPreserve && (externPreserve || choiceRules())
+		reorg = !currentPreserve && (externPreserve ||
+			extern.Time < current.Time ||
+			extern.Time == current.Time && f.rand.Float64() < 0.5)
 	}
 	return reorg, nil
 }
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -216,10 +216,8 @@ func (e *GenesisMismatchError) Error() string {
 // ChainOverrides contains the changes to chain config
 // Typically, these modifications involve hardforks that are not enabled on the BSC mainnet, intended for testing purposes.
 type ChainOverrides struct {
-	OverridePassedForkTime *uint64
-	OverrideBohr           *uint64
-	OverridePascal         *uint64
-	OverrideVerkle         *uint64
+	OverrideBohr   *uint64
+	OverrideVerkle *uint64
 }

 // SetupGenesisBlock writes or updates the genesis block in db.
@@ -245,21 +243,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *triedb.Database, g
 	}
 	applyOverrides := func(config *params.ChainConfig) {
 		if config != nil {
-			if overrides != nil && overrides.OverridePassedForkTime != nil {
-				config.ShanghaiTime = overrides.OverridePassedForkTime
-				config.KeplerTime = overrides.OverridePassedForkTime
-				config.FeynmanTime = overrides.OverridePassedForkTime
-				config.FeynmanFixTime = overrides.OverridePassedForkTime
-				config.CancunTime = overrides.OverridePassedForkTime
-				config.HaberTime = overrides.OverridePassedForkTime
-				config.HaberFixTime = overrides.OverridePassedForkTime
-			}
 			if overrides != nil && overrides.OverrideBohr != nil {
 				config.BohrTime = overrides.OverrideBohr
 			}
-			if overrides != nil && overrides.OverridePascal != nil {
-				config.PascalTime = overrides.OverridePascal
-			}
 			if overrides != nil && overrides.OverrideVerkle != nil {
 				config.VerkleTime = overrides.OverrideVerkle
 			}
@@ -458,7 +444,7 @@ func (g *Genesis) ToBlock() *types.Block {
 			// EIP-4788: The parentBeaconBlockRoot of the genesis block is always
 			// the zero hash. This is because the genesis block does not have a parent
 			// by definition.
-			if conf.Parlia == nil || conf.IsBohr(num, g.Timestamp) {
+			if conf.Parlia == nil {
 				head.ParentBeaconRoot = new(common.Hash)
 			}

--- a/core/headerchain.go
+++ b/core/headerchain.go
@@ -436,10 +436,6 @@ func (hc *HeaderChain) GetHighestVerifiedHeader() *types.Header {
 	return nil
 }

-func (hc *HeaderChain) GetVerifiedBlockByHash(hash common.Hash) *types.Header {
-	return hc.GetHeaderByHash(hash)
-}
-
 func (hc *HeaderChain) ChasingHead() *types.Header {
 	return nil
 }
--- a/core/rawdb/prunedfreezer.go
+++ b/core/rawdb/prunedfreezer.go
@@ -68,7 +68,6 @@ func newPrunedFreezer(datadir string, db ethdb.KeyValueStore, offset uint64) (*p

 // repair init frozen , compatible disk-ancientdb and pruner-block-tool.
 func (f *prunedfreezer) repair(datadir string) error {
-	offset := atomic.LoadUint64(&f.frozen)
 	// compatible freezer
 	minItems := uint64(math.MaxUint64)
 	for name, disableSnappy := range chainFreezerNoSnappy {
@@ -97,14 +96,19 @@ func (f *prunedfreezer) repair(datadir string) error {
 		table.Close()
 	}

-	// If the dataset has undergone a prune block, the offset is a non-zero value, otherwise the offset is a zero value.
-	// The minItems is the value relative to offset
-	offset += minItems
+	// If minItems is non-zero, it indicates that the chain freezer was previously enabled, and we should use minItems as the current frozen value.
+	// If minItems is zero, it indicates that the pruneAncient was previously enabled, and we should continue using frozen
+	//	(retrieved from CurrentAncientFreezer) as the current frozen value.
+	offset := minItems
+	if offset == 0 {
+		// no item in ancientDB, init `offset` to the `f.frozen`
+		offset = atomic.LoadUint64(&f.frozen)
+	}
+	log.Info("Read ancientdb item counts", "items", minItems, "offset", offset)

 	// FrozenOfAncientFreezer is the progress of the last prune-freezer freeze.
 	frozenInDB := ReadFrozenOfAncientFreezer(f.db)
 	maxOffset := max(offset, frozenInDB)
-	log.Info("Read ancient db item counts", "items", minItems, "frozen", maxOffset)

 	atomic.StoreUint64(&f.frozen, maxOffset)
 	if err := f.Sync(); err != nil {
@@ -157,12 +161,12 @@ func (f *prunedfreezer) AncientOffSet() uint64 {

 // MigrateTable processes the entries in a given table in sequence
 // converting them to a new format if they're of an old format.
-func (f *prunedfreezer) MigrateTable(kind string, convert convertLegacyFn) error {
+func (db *prunedfreezer) MigrateTable(kind string, convert convertLegacyFn) error {
 	return errNotSupported
 }

 // AncientDatadir returns an error as we don't have a backing chain freezer.
-func (f *prunedfreezer) AncientDatadir() (string, error) {
+func (db *prunedfreezer) AncientDatadir() (string, error) {
 	return "", errNotSupported
 }

--- a/core/state/metrics.go
+++ b/core/state/metrics.go
@@ -34,4 +34,7 @@ var (
 	slotDeletionCount    = metrics.NewRegisteredMeter("state/delete/storage/slot", nil)
 	slotDeletionSize     = metrics.NewRegisteredMeter("state/delete/storage/size", nil)
 	slotDeletionSkip     = metrics.NewRegisteredGauge("state/delete/storage/skip", nil)
+
+	accountIntermediateRootTimer = metrics.NewRegisteredTimer("state/account/intermediate/root/time", nil)
+	storageIntermediateRootTimer = metrics.NewRegisteredTimer("state/storage/intermediate/root/time", nil)
 )
--- a/core/state/snapshot/difflayer.go
+++ b/core/state/snapshot/difflayer.go
@@ -286,6 +286,13 @@ func (dl *diffLayer) Stale() bool {
 // Account directly retrieves the account associated with a particular hash in
 // the snapshot slim data format.
 func (dl *diffLayer) Account(hash common.Hash) (*types.SlimAccount, error) {
+	defer func(start time.Time) {
+		snapGetTimer.UpdateSince(start)
+		snapGetQPS.Mark(1)
+		snapGetAccountTimer.UpdateSince(start)
+		snapGetAccountQPS.Mark(1)
+	}(time.Now())
+
 	data, err := dl.AccountRLP(hash)
 	if err != nil {
 		return nil, err
@@ -394,6 +401,13 @@ func (dl *diffLayer) accountRLP(hash common.Hash, depth int) ([]byte, error) {
 //
 // Note the returned slot is not a copy, please don't modify it.
 func (dl *diffLayer) Storage(accountHash, storageHash common.Hash) ([]byte, error) {
+	defer func(start time.Time) {
+		snapGetTimer.UpdateSince(start)
+		snapGetQPS.Mark(1)
+		snapGetStorageTimer.UpdateSince(start)
+		snapGetStorageQPS.Mark(1)
+	}(time.Now())
+
 	// Check the bloom filter first whether there's even a point in reaching into
 	// all the maps in all the layers below
 	dl.lock.RLock()
--- a/core/state/snapshot/disklayer.go
+++ b/core/state/snapshot/disklayer.go
@@ -19,6 +19,7 @@ package snapshot
 import (
 	"bytes"
 	"sync"
+	"time"

 	"github.com/VictoriaMetrics/fastcache"
 	"github.com/ethereum/go-ethereum/common"
@@ -136,7 +137,12 @@ func (dl *diskLayer) AccountRLP(hash common.Hash) ([]byte, error) {
 		return blob, nil
 	}
 	// Cache doesn't contain account, pull from disk and cache for later
+	// TODO:
+	snapNodeQPS.Mark(1)
+	startLoadSnapNode := time.Now()
 	blob := rawdb.ReadAccountSnapshot(dl.diskdb, hash)
+	snapNodeTime.Mark(time.Since(startLoadSnapNode).Nanoseconds())
+
 	dl.cache.Set(hash[:], blob)

 	snapshotCleanAccountMissMeter.Mark(1)
@@ -176,7 +182,11 @@ func (dl *diskLayer) Storage(accountHash, storageHash common.Hash) ([]byte, erro
 		return blob, nil
 	}
 	// Cache doesn't contain storage slot, pull from disk and cache for later
+	// TODO:
+	snapNodeQPS.Mark(1)
+	startLoadSnapNode := time.Now()
 	blob := rawdb.ReadStorageSnapshot(dl.diskdb, accountHash, storageHash)
+	snapNodeTime.Mark(time.Since(startLoadSnapNode).Nanoseconds())
 	dl.cache.Set(key, blob)

 	snapshotCleanStorageMissMeter.Mark(1)
--- a/core/state/snapshot/metrics.go
+++ b/core/state/snapshot/metrics.go
@@ -50,4 +50,15 @@ var (
 	snapStorageWriteCounter = metrics.NewRegisteredCounter("state/snapshot/generation/duration/storage/write", nil)
 	// snapStorageCleanCounter measures time spent on deleting storages
 	snapStorageCleanCounter = metrics.NewRegisteredCounter("state/snapshot/generation/duration/storage/clean", nil)
+
+	snapNodeQPS  = metrics.NewRegisteredMeter("pbss/snap/node/qps", nil)
+	snapNodeTime = metrics.NewRegisteredMeter("pbss/snap/node/time", nil)
+
+	snapGetTimer = metrics.NewRegisteredTimer("snap/get/time", nil)
+	snapGetQPS   = metrics.NewRegisteredMeter("snap/get/qps", nil)
+
+	snapGetAccountTimer = metrics.NewRegisteredTimer("snap/account/get/time", nil)
+	snapGetAccountQPS   = metrics.NewRegisteredMeter("snap/account/get/qps", nil)
+	snapGetStorageTimer = metrics.NewRegisteredTimer("snap/storage/get/time", nil)
+	snapGetStorageQPS   = metrics.NewRegisteredMeter("snap/storage/get/qps", nil)
 )
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -223,6 +223,14 @@ func (s *stateObject) GetCommittedState(key common.Hash) common.Hash {
 		return common.Hash{}
 	}
 	// If no live objects are available, attempt to use snapshots
+
+	defer func(start time.Time) {
+		stateDBGetTimer.UpdateSince(start)
+		stateDBGetQPS.Mark(1)
+		stateDBGetStorageTimer.UpdateSince(start)
+		stateDBGetStorageQPS.Mark(1)
+	}(time.Now())
+
 	var (
 		enc   []byte
 		err   error
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -54,6 +54,16 @@ type revision struct {
 	journalIndex int
 }

+var (
+	stateDBGetTimer = metrics.NewRegisteredTimer("statedb/get/time", nil)
+	stateDBGetQPS   = metrics.NewRegisteredMeter("statedb/get/qps", nil)
+
+	stateDBGetAccountTimer = metrics.NewRegisteredTimer("statedb/account/get/time", nil)
+	stateDBGetAccountQPS   = metrics.NewRegisteredMeter("statedb/account/get/qps", nil)
+	stateDBGetStorageTimer = metrics.NewRegisteredTimer("statedb/storage/get/time", nil)
+	stateDBGetStorageQPS   = metrics.NewRegisteredMeter("statedb/storage/get/qps", nil)
+)
+
 // StateDB structs within the ethereum protocol are used to store anything
 // within the merkle trie. StateDBs take care of caching and storing
 // nested states. It's the general query interface to retrieve:
@@ -166,7 +176,7 @@ func NewWithSharedPool(root common.Hash, db Database, snaps *snapshot.Tree) (*St
 	if err != nil {
 		return nil, err
 	}
-	statedb.storagePool = NewStoragePool()
+	//statedb.storagePool = NewStoragePool()
 	return statedb, nil
 }

@@ -716,6 +726,14 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 	if obj := s.stateObjects[addr]; obj != nil {
 		return obj
 	}
+
+	defer func(start time.Time) {
+		stateDBGetTimer.UpdateSince(start)
+		stateDBGetQPS.Mark(1)
+		stateDBGetAccountTimer.UpdateSince(start)
+		stateDBGetAccountQPS.Mark(1)
+	}(time.Now())
+
 	// If no live objects are available, attempt to use snapshots
 	var data *types.StateAccount
 	if s.snap != nil {
@@ -1147,6 +1165,10 @@ func (s *StateDB) populateSnapStorage(obj *stateObject) bool {
 }

 func (s *StateDB) AccountsIntermediateRoot() {
+	defer func(start time.Time) {
+		storageIntermediateRootTimer.UpdateSince(start)
+	}(time.Now())
+
 	tasks := make(chan func())
 	finishCh := make(chan struct{})
 	defer close(finishCh)
@@ -1191,6 +1213,9 @@ func (s *StateDB) AccountsIntermediateRoot() {
 }

 func (s *StateDB) StateIntermediateRoot() common.Hash {
+	defer func(start time.Time) {
+		accountIntermediateRootTimer.UpdateSince(start)
+	}(time.Now())
 	// If there was a trie prefetcher operating, it gets aborted and irrevocably
 	// modified after we start retrieving tries. Remove it from the statedb after
 	// this round of use.
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -231,13 +231,6 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
 // ProcessBeaconBlockRoot applies the EIP-4788 system call to the beacon block root
 // contract. This method is exported to be used in tests.
 func ProcessBeaconBlockRoot(beaconRoot common.Hash, vmenv *vm.EVM, statedb *state.StateDB) {
-	// Return immediately if beaconRoot equals the zero hash when using the Parlia engine.
-	if beaconRoot == (common.Hash{}) {
-		if chainConfig := vmenv.ChainConfig(); chainConfig != nil && chainConfig.Parlia != nil {
-			return
-		}
-	}
-
 	// If EIP-4788 is enabled, we need to invoke the beaconroot storage contract with
 	// the new root
 	msg := &Message{
--- a/core/systemcontracts/bohr/chapel/StakeHubContract
+++ b/core/systemcontracts/bohr/chapel/StakeHubContract
--- a/core/systemcontracts/bohr/chapel/ValidatorContract
+++ b/core/systemcontracts/bohr/chapel/ValidatorContract
--- a/core/systemcontracts/bohr/mainnet/StakeHubContract
+++ b/core/systemcontracts/bohr/mainnet/StakeHubContract
--- a/core/systemcontracts/bohr/mainnet/ValidatorContract
+++ b/core/systemcontracts/bohr/mainnet/ValidatorContract
--- a/core/systemcontracts/bohr/rialto/StakeHubContract
+++ b/core/systemcontracts/bohr/rialto/StakeHubContract
--- a/core/systemcontracts/bohr/rialto/ValidatorContract
+++ b/core/systemcontracts/bohr/rialto/ValidatorContract
--- a/core/systemcontracts/bohr/types.go
+++ b/core/systemcontracts/bohr/types.go
@@ -1,27 +0,0 @@
-package bohr
-
-import _ "embed"
-
-// contract codes for Mainnet upgrade
-var (
-	//go:embed mainnet/ValidatorContract
-	MainnetValidatorContract string
-	//go:embed mainnet/StakeHubContract
-	MainnetStakeHubContract string
-)
-
-// contract codes for Chapel upgrade
-var (
-	//go:embed chapel/ValidatorContract
-	ChapelValidatorContract string
-	//go:embed chapel/StakeHubContract
-	ChapelStakeHubContract string
-)
-
-// contract codes for Rialto upgrade
-var (
-	//go:embed rialto/ValidatorContract
-	RialtoValidatorContract string
-	//go:embed rialto/StakeHubContract
-	RialtoStakeHubContract string
-)
--- a/core/systemcontracts/pascal/chapel/CrossChainContract
+++ b/core/systemcontracts/pascal/chapel/CrossChainContract
--- a/core/systemcontracts/pascal/chapel/GovHubContract
+++ b/core/systemcontracts/pascal/chapel/GovHubContract
--- a/core/systemcontracts/pascal/chapel/GovTokenContract
+++ b/core/systemcontracts/pascal/chapel/GovTokenContract
--- a/core/systemcontracts/pascal/chapel/GovernorContract
+++ b/core/systemcontracts/pascal/chapel/GovernorContract
--- a/core/systemcontracts/pascal/chapel/LightClientContract
+++ b/core/systemcontracts/pascal/chapel/LightClientContract
--- a/core/systemcontracts/pascal/chapel/RelayerHubContract
+++ b/core/systemcontracts/pascal/chapel/RelayerHubContract
--- a/core/systemcontracts/pascal/chapel/RelayerIncentivizeContract
+++ b/core/systemcontracts/pascal/chapel/RelayerIncentivizeContract
--- a/core/systemcontracts/pascal/chapel/SlashContract
+++ b/core/systemcontracts/pascal/chapel/SlashContract
--- a/core/systemcontracts/pascal/chapel/StakeCreditContract
+++ b/core/systemcontracts/pascal/chapel/StakeCreditContract
--- a/core/systemcontracts/pascal/chapel/StakeHubContract
+++ b/core/systemcontracts/pascal/chapel/StakeHubContract
--- a/core/systemcontracts/pascal/chapel/StakingContract
+++ b/core/systemcontracts/pascal/chapel/StakingContract
--- a/core/systemcontracts/pascal/chapel/SystemRewardContract
+++ b/core/systemcontracts/pascal/chapel/SystemRewardContract
--- a/core/systemcontracts/pascal/chapel/TimelockContract
+++ b/core/systemcontracts/pascal/chapel/TimelockContract
--- a/core/systemcontracts/pascal/chapel/TokenHubContract
+++ b/core/systemcontracts/pascal/chapel/TokenHubContract
--- a/core/systemcontracts/pascal/chapel/TokenManagerContract
+++ b/core/systemcontracts/pascal/chapel/TokenManagerContract
--- a/core/systemcontracts/pascal/chapel/TokenRecoverPortalContract
+++ b/core/systemcontracts/pascal/chapel/TokenRecoverPortalContract
--- a/core/systemcontracts/pascal/chapel/ValidatorContract
+++ b/core/systemcontracts/pascal/chapel/ValidatorContract
--- a/core/systemcontracts/pascal/mainnet/CrossChainContract
+++ b/core/systemcontracts/pascal/mainnet/CrossChainContract
--- a/core/systemcontracts/pascal/mainnet/GovHubContract
+++ b/core/systemcontracts/pascal/mainnet/GovHubContract
--- a/core/systemcontracts/pascal/mainnet/GovTokenContract
+++ b/core/systemcontracts/pascal/mainnet/GovTokenContract
--- a/core/systemcontracts/pascal/mainnet/GovernorContract
+++ b/core/systemcontracts/pascal/mainnet/GovernorContract
--- a/core/systemcontracts/pascal/mainnet/LightClientContract
+++ b/core/systemcontracts/pascal/mainnet/LightClientContract
--- a/core/systemcontracts/pascal/mainnet/RelayerHubContract
+++ b/core/systemcontracts/pascal/mainnet/RelayerHubContract
--- a/core/systemcontracts/pascal/mainnet/RelayerIncentivizeContract
+++ b/core/systemcontracts/pascal/mainnet/RelayerIncentivizeContract
--- a/core/systemcontracts/pascal/mainnet/SlashContract
+++ b/core/systemcontracts/pascal/mainnet/SlashContract
--- a/core/systemcontracts/pascal/mainnet/StakeCreditContract
+++ b/core/systemcontracts/pascal/mainnet/StakeCreditContract
--- a/core/systemcontracts/pascal/mainnet/StakeHubContract
+++ b/core/systemcontracts/pascal/mainnet/StakeHubContract
--- a/core/systemcontracts/pascal/mainnet/StakingContract
+++ b/core/systemcontracts/pascal/mainnet/StakingContract
--- a/core/systemcontracts/pascal/mainnet/SystemRewardContract
+++ b/core/systemcontracts/pascal/mainnet/SystemRewardContract
--- a/core/systemcontracts/pascal/mainnet/TimelockContract
+++ b/core/systemcontracts/pascal/mainnet/TimelockContract
--- a/core/systemcontracts/pascal/mainnet/TokenHubContract
+++ b/core/systemcontracts/pascal/mainnet/TokenHubContract
--- a/core/systemcontracts/pascal/mainnet/TokenManagerContract
+++ b/core/systemcontracts/pascal/mainnet/TokenManagerContract
--- a/core/systemcontracts/pascal/mainnet/TokenRecoverPortalContract
+++ b/core/systemcontracts/pascal/mainnet/TokenRecoverPortalContract
--- a/core/systemcontracts/pascal/mainnet/ValidatorContract
+++ b/core/systemcontracts/pascal/mainnet/ValidatorContract
--- a/core/systemcontracts/pascal/rialto/CrossChainContract
+++ b/core/systemcontracts/pascal/rialto/CrossChainContract
--- a/core/systemcontracts/pascal/rialto/GovHubContract
+++ b/core/systemcontracts/pascal/rialto/GovHubContract
--- a/core/systemcontracts/pascal/rialto/GovTokenContract
+++ b/core/systemcontracts/pascal/rialto/GovTokenContract
--- a/core/systemcontracts/pascal/rialto/GovernorContract
+++ b/core/systemcontracts/pascal/rialto/GovernorContract
--- a/core/systemcontracts/pascal/rialto/LightClientContract
+++ b/core/systemcontracts/pascal/rialto/LightClientContract
--- a/core/systemcontracts/pascal/rialto/RelayerHubContract
+++ b/core/systemcontracts/pascal/rialto/RelayerHubContract
--- a/core/systemcontracts/pascal/rialto/RelayerIncentivizeContract
+++ b/core/systemcontracts/pascal/rialto/RelayerIncentivizeContract
--- a/core/systemcontracts/pascal/rialto/SlashContract
+++ b/core/systemcontracts/pascal/rialto/SlashContract
--- a/core/systemcontracts/pascal/rialto/StakeCreditContract
+++ b/core/systemcontracts/pascal/rialto/StakeCreditContract
--- a/core/systemcontracts/pascal/rialto/StakeHubContract
+++ b/core/systemcontracts/pascal/rialto/StakeHubContract
--- a/core/systemcontracts/pascal/rialto/StakingContract
+++ b/core/systemcontracts/pascal/rialto/StakingContract
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
will-2012	f5b5805359	Merge pull request #2705 from will-2012/perf-pbssbsc perf: add db metrics	2024-09-19 11:16:10 +08:00
will@2012	34bc9e02aa	Merge remote-tracking branch 'bsc/versa_base' into perf-pbssbsc	2024-09-14 10:09:16 +08:00
will@2012	8a3d62e756	perf: add db metrics	2024-09-14 10:06:38 +08:00
joeycli	d4879836c0	chore: add statedb get metrices	2024-09-06 14:06:12 +08:00
joeycli	4b00174821	chore: add snapshot metrices	2024-09-06 11:04:37 +08:00
joeycli	3082da4e86	chore: add validate metrics	2024-09-04 10:20:47 +08:00
joeycli	d334f520be	chore: add state trie metrics	2024-09-04 09:39:08 +08:00
joeycli	cef6acec23	chore: add execute, verify and commit total metrics	2024-09-02 09:08:55 +08:00
joeycli	092fbafa3c	chore: delete share mem pool	2024-09-01 12:20:05 +08:00
joeycli	c4e8ec7fea	chore: add mgasps metrics	2024-08-29 16:43:04 +08:00
zzzckck	83a9b13771	Merge pull request #2607 from NathanBSC/for_release_v1.4.12 Revert "miner/worker: broadcast block immediately once sealed (bnb-chain#2576)"	2024-07-24 12:07:13 +08:00