feat: integrate versa db

feat: add version commit

chore: forbid versiondb rewind

feat: add mode for new caching db

feat: add version scheme for startup

feat: init genesis for versa db

feat: add caching db and trie copy

feat: support HasState on versa db and must fullsync under versa db

fix: append open strorage trie error to statedb

fix: storage tree value encode

fix: add state object trie expire interface

fix: blockchain stateat use rw state

chore: forbid prefetcher

chore: delete storage pool

feat: hold version in state objet for repeat search account tree

fix: version mismatch that add contract balance without update storage tree

fix: 373559 blocks issue add breakpoint

feat: add version state debug system

feat: add hash state db debug system

feat: add version and hash state diff system

fix: the timing release debug state instance

cmd/faucet/faucet.go

@@ -49,7 +49,6 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/gorilla/websocket"
-	"golang.org/x/time/rate"
 )
 
 var (
@@ -217,8 +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
@@ -238,12 +235,6 @@ func newFaucet(genesis *core.Genesis, url string, ks *keystore.KeyStore, index [
 		return nil, 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,
@@ -254,7 +245,6 @@ func newFaucet(genesis *core.Genesis, url string, ks *keystore.KeyStore, index [
 		update:     make(chan struct{}, 1),
 		bep2eInfos: bep2eInfos,
 		bep2eAbi:   bep2eAbi,
-		limiter:    limiter,
 	}, nil
 }
 
@@ -282,20 +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 {
@@ -649,22 +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()
 		}
@@ -683,12 +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()
 		}

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)
-}

cmd/geth/chaincmd.go

@@ -833,7 +833,7 @@ func dump(ctx *cli.Context) error {
 	triedb := utils.MakeTrieDatabase(ctx, stack, db, true, true, false) // always enable preimage lookup
 	defer triedb.Close()
 
-	state, err := state.New(root, state.NewDatabaseWithNodeDB(db, triedb), nil)
+	state, err := state.New(root, state.NewDatabaseWithNodeDB(db, triedb, false), nil)
 	if err != nil {
 		return err
 	}

cmd/geth/dbcmd.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"math"
@@ -34,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/console/prompt"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/state/snapshot"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -91,6 +93,9 @@ Remove blockchain and state databases`,
 			dbHbss2PbssCmd,
 			dbTrieGetCmd,
 			dbTrieDeleteCmd,
+			getVersionDBState,
+			getHashDBState,
+			diffDebugStateDB,
 		},
 	}
 	dbInspectCmd = &cli.Command{
@@ -286,8 +291,141 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 		Description: `This commands will read current offset from kvdb, which is the current offset and starting BlockNumber
 of ancientStore, will also displays the reserved number of blocks in ancientStore `,
 	}
+	getVersionDBState = &cli.Command{
+		Action: getDebugVersionState,
+		Name:   "get-debug-version-state",
+		Flags: []cli.Flag{
+			utils.VersionStateDirFlag,
+			utils.BlockNumber,
+		},
+	}
+	getHashDBState = &cli.Command{
+		Action: getDebugHashState,
+		Name:   "get-debug-hash-state",
+		Flags: []cli.Flag{
+			utils.HashStateDirFlag,
+			utils.BlockNumber,
+		},
+	}
+
+	diffDebugStateDB = &cli.Command{
+		Action: diffDebugState,
+		Name:   "diff-debug-state",
+		Flags: []cli.Flag{
+			utils.VersionStateDirFlag,
+			utils.HashStateDirFlag,
+			utils.BlockNumber,
+		},
+	}
 )
 
+func diffDebugState(ctx *cli.Context) error {
+	if !ctx.IsSet(utils.VersionStateDirFlag.Name) {
+		return fmt.Errorf("please set `--versionstatedir` flag")
+	}
+	if !ctx.IsSet(utils.BlockNumber.Name) {
+		return fmt.Errorf("please set `--block` flag")
+	}
+	if !ctx.IsSet(utils.HashStateDirFlag.Name) {
+		return fmt.Errorf("please set `--hashstatedir` flag")
+	}
+	verDir := ctx.String(utils.VersionStateDirFlag.Name)
+	hasDir := ctx.String(utils.HashStateDirFlag.Name)
+	block := ctx.Int64(utils.BlockNumber.Name)
+
+	vdb, err := rawdb.Open(rawdb.OpenOptions{
+		ReadOnly:  true,
+		Type:      "pebble",
+		Directory: verDir,
+	})
+	if err != nil {
+		return err
+	}
+	verData, err := vdb.Get(state.DebugVersionStateKey(block))
+	if err != nil {
+		return err
+	}
+
+	verDebugState := &state.DebugVersionState{}
+	err = json.Unmarshal(verData, verDebugState)
+	if err != nil {
+		return nil
+	}
+
+	hdb, err := rawdb.Open(rawdb.OpenOptions{
+		ReadOnly:  true,
+		Type:      "pebble",
+		Directory: hasDir,
+	})
+	if err != nil {
+		return err
+	}
+	hashData, err := hdb.Get(state.DebugHashStateKey(block))
+	if err != nil {
+		return err
+	}
+	hasDebugState := &state.DebugHashState{}
+	err = json.Unmarshal(hashData, hasDebugState)
+	if err != nil {
+		return err
+	}
+
+	res := state.GenerateDebugStateDiff(verDebugState, hasDebugState)
+	fmt.Println(res)
+
+	return nil
+}
+
+func getDebugVersionState(ctx *cli.Context) error {
+	if !ctx.IsSet(utils.VersionStateDirFlag.Name) {
+		return fmt.Errorf("please set `--versionstatedir` flag")
+	}
+	if !ctx.IsSet(utils.BlockNumber.Name) {
+		return fmt.Errorf("please set `--block` flag")
+	}
+	dir := ctx.String(utils.VersionStateDirFlag.Name)
+	block := ctx.Int64(utils.BlockNumber.Name)
+	db, err := rawdb.Open(rawdb.OpenOptions{
+		ReadOnly:  true,
+		Type:      "pebble",
+		Directory: dir,
+	})
+	if err != nil {
+		return err
+	}
+	data, err := db.Get(state.DebugVersionStateKey(block))
+	if err != nil {
+		return err
+	}
+	fmt.Println(string(data))
+	return nil
+}
+
+func getDebugHashState(ctx *cli.Context) error {
+	if !ctx.IsSet(utils.HashStateDirFlag.Name) {
+		return fmt.Errorf("please set `--hashstatedir` flag")
+	}
+	if !ctx.IsSet(utils.BlockNumber.Name) {
+		return fmt.Errorf("please set `--block` flag")
+	}
+	dir := ctx.String(utils.HashStateDirFlag.Name)
+	block := ctx.Int64(utils.BlockNumber.Name)
+	db, err := rawdb.Open(rawdb.OpenOptions{
+		ReadOnly:  true,
+		Type:      "pebble",
+		Directory: dir,
+	})
+	if err != nil {
+		return err
+	}
+	data, err := db.Get(state.DebugHashStateKey(block))
+	if err != nil {
+		return err
+	}
+	fmt.Println(string(data))
+	return nil
+}
+
 func removeDB(ctx *cli.Context) error {
 	stack, config := makeConfigNode(ctx)
 

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
 ```
 

cmd/jsutils/get_perf.js

@@ -12,7 +12,6 @@ const main = async () => {
     let txCountTotal = 0;
     let gasUsedTotal = 0;
     let inturnBlocks = 0;
-    let justifiedBlocks = 0;
     for (let i = program.startNum; i < program.endNum; i++) {
         let txCount = await provider.send("eth_getBlockTransactionCountByNumber", [
             ethers.toQuantity(i)]);
@@ -27,14 +26,6 @@ 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%4, "miner =", header.miner , "difficulty =", difficulty, "txCount =", ethers.toNumber(txCount), "gasUsed", gasUsed, "timestamp", timestamp)
     }
 
@@ -50,14 +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);
 };
 

cmd/utils/flags.go

@@ -353,7 +353,7 @@ var (
 	}
 	StateSchemeFlag = &cli.StringFlag{
 		Name:     "state.scheme",
-		Usage:    "Scheme to use for storing ethereum state ('hash' or 'path')",
+		Usage:    "Scheme to use for storing ethereum state ('hash', 'path', 'version')",
 		Category: flags.StateCategory,
 	}
 	PathDBSyncFlag = &cli.BoolFlag{
@@ -1135,6 +1135,25 @@ Please note that --` + MetricsHTTPFlag.Name + ` must be set to start the server.
 		Value:    params.DefaultExtraReserveForBlobRequests,
 		Category: flags.MiscCategory,
 	}
+
+	BlockNumber = &cli.Int64Flag{
+		Name:  "block",
+		Value: int64(0),
+	}
+
+	VersionStateDirFlag = &flags.DirectoryFlag{
+		Name:     "versionstatedir",
+		Usage:    "Data directory for the version databases and keystore",
+		Value:    flags.DirectoryString(node.DefaultDataDir()),
+		Category: flags.EthCategory,
+	}
+
+	HashStateDirFlag = &flags.DirectoryFlag{
+		Name:     "hashstatedir",
+		Usage:    "Data directory for the version databases and keystore",
+		Value:    flags.DirectoryString(node.DefaultDataDir()),
+		Category: flags.EthCategory,
+	}
 )
 
 var (
@@ -1953,11 +1972,17 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	if ctx.IsSet(StateHistoryFlag.Name) {
 		cfg.StateHistory = ctx.Uint64(StateHistoryFlag.Name)
 	}
-	scheme, err := ParseCLIAndConfigStateScheme(ctx.String(StateSchemeFlag.Name), cfg.StateScheme)
-	if err != nil {
-		Fatalf("%v", err)
+	if ctx.String(StateSchemeFlag.Name) != rawdb.VersionScheme {
+		scheme, err := ParseCLIAndConfigStateScheme(ctx.String(StateSchemeFlag.Name), cfg.StateScheme)
+		if err != nil {
+			Fatalf("%v", err)
+		}
+		cfg.StateScheme = scheme
+	} else {
+		// TODO:: compatible with cli line and configuration file, currently only supports cli.
+		cfg.StateScheme = rawdb.VersionScheme
 	}
-	cfg.StateScheme = scheme
+
 	// Parse transaction history flag, if user is still using legacy config
 	// file with 'TxLookupLimit' configured, copy the value to 'TransactionHistory'.
 	if cfg.TransactionHistory == ethconfig.Defaults.TransactionHistory && cfg.TxLookupLimit != ethconfig.Defaults.TxLookupLimit {

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
 }

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
@@ -74,52 +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) 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
-}

consensus/parlia/parlia.go

@@ -6,7 +6,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io"
 	"math"
 	"math/big"
 	"math/rand"
@@ -605,11 +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")
 		}
@@ -618,17 +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)
 }
@@ -1370,7 +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")
@@ -1602,35 +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
 }

consensus/parlia/snapshot.go

@@ -22,7 +22,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math"
 	"sort"
 
 	lru "github.com/hashicorp/golang-lru"
@@ -268,19 +267,8 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 			}
 		}
 		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 == uint64(len(snap.Validators)/2) {
-			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, uint64(len(snap.Validators)/2), chain, parents)
 			if checkpointHeader == nil {
 				return nil, consensus.ErrUnknownAncestor
@@ -301,22 +289,15 @@ 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)
+			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))
@@ -330,6 +311,10 @@ func (s *Snapshot) apply(headers []*types.Header, chain consensus.ChainHeaderRea
 				}
 			}
 		}
+
+		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()

core/blockchain.go

@@ -196,6 +196,10 @@ func (c *CacheConfig) triedbConfig() *triedb.Config {
 			JournalFile:     c.JournalFile,
 		}
 	}
+	// TODO:: support other versa db config items, currently use the default config
+	if c.StateScheme == rawdb.VersionScheme {
+		config.IsVersion = true
+	}
 	return config
 }
 
@@ -259,25 +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
@@ -386,7 +388,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
 	}
 	bc.flushInterval.Store(int64(cacheConfig.TrieTimeLimit))
 	bc.forker = NewForkChoice(bc, shouldPreserve)
-	bc.stateCache = state.NewDatabaseWithNodeDB(bc.db, bc.triedb)
+	bc.stateCache = state.NewDatabaseWithNodeDB(bc.db, bc.triedb, true)
 	bc.validator = NewBlockValidator(chainConfig, bc, engine)
 	bc.prefetcher = NewStatePrefetcher(chainConfig, bc, engine)
 	bc.processor = NewStateProcessor(chainConfig, bc, engine)
@@ -402,7 +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)
@@ -1168,6 +1169,10 @@ func (bc *BlockChain) setHeadBeyondRoot(head uint64, time uint64, root common.Ha
 // SnapSyncCommitHead sets the current head block to the one defined by the hash
 // irrelevant what the chain contents were prior.
 func (bc *BlockChain) SnapSyncCommitHead(hash common.Hash) error {
+	// TODO:: temporarily not support for snapsync
+	if bc.triedb.Scheme() == rawdb.VersionScheme {
+		panic("version db not support snap sync")
+	}
 	// Make sure that both the block as well at its state trie exists
 	block := bc.GetBlockByHash(hash)
 	if block == nil {
@@ -1379,48 +1384,50 @@ func (bc *BlockChain) Stop() {
 		}
 		bc.snaps.Release()
 	}
-	if bc.triedb.Scheme() == rawdb.PathScheme {
-		// Ensure that the in-memory trie nodes are journaled to disk properly.
-		if err := bc.triedb.Journal(bc.CurrentBlock().Root); err != nil {
-			log.Info("Failed to journal in-memory trie nodes", "err", err)
-		}
-	} else {
-		// Ensure the state of a recent block is also stored to disk before exiting.
-		// We're writing three different states to catch different restart scenarios:
-		//  - HEAD:     So we don't need to reprocess any blocks in the general case
-		//  - HEAD-1:   So we don't do large reorgs if our HEAD becomes an uncle
-		//  - HEAD-127: So we have a hard limit on the number of blocks reexecuted
-		if !bc.cacheConfig.TrieDirtyDisabled {
-			triedb := bc.triedb
-			var once sync.Once
-			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())
-					if err := triedb.Commit(recent.Root(), true); err != nil {
-						log.Error("Failed to commit recent state trie", "err", err)
-					} else {
-						rawdb.WriteSafePointBlockNumber(bc.db, recent.NumberU64())
-						once.Do(func() {
-							rawdb.WriteHeadBlockHash(bc.db.BlockStore(), recent.Hash())
-						})
+	if bc.triedb.Scheme() != rawdb.VersionScheme {
+		if bc.triedb.Scheme() == rawdb.PathScheme {
+			// Ensure that the in-memory trie nodes are journaled to disk properly.
+			if err := bc.triedb.Journal(bc.CurrentBlock().Root); err != nil {
+				log.Info("Failed to journal in-memory trie nodes", "err", err)
+			}
+		} else {
+			// Ensure the state of a recent block is also stored to disk before exiting.
+			// We're writing three different states to catch different restart scenarios:
+			//  - HEAD:     So we don't need to reprocess any blocks in the general case
+			//  - HEAD-1:   So we don't do large reorgs if our HEAD becomes an uncle
+			//  - HEAD-127: So we have a hard limit on the number of blocks reexecuted
+			if !bc.cacheConfig.TrieDirtyDisabled {
+				triedb := bc.triedb
+				var once sync.Once
+				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())
+						if err := triedb.Commit(recent.Root(), true); err != nil {
+							log.Error("Failed to commit recent state trie", "err", err)
+						} else {
+							rawdb.WriteSafePointBlockNumber(bc.db, recent.NumberU64())
+							once.Do(func() {
+								rawdb.WriteHeadBlockHash(bc.db.BlockStore(), recent.Hash())
+							})
+						}
 					}
 				}
-			}
 
-			if snapBase != (common.Hash{}) {
-				log.Info("Writing snapshot state to disk", "root", snapBase)
-				if err := triedb.Commit(snapBase, true); err != nil {
-					log.Error("Failed to commit recent state trie", "err", err)
-				} else {
-					rawdb.WriteSafePointBlockNumber(bc.db, bc.CurrentBlock().Number.Uint64())
+				if snapBase != (common.Hash{}) {
+					log.Info("Writing snapshot state to disk", "root", snapBase)
+					if err := triedb.Commit(snapBase, true); err != nil {
+						log.Error("Failed to commit recent state trie", "err", err)
+					} else {
+						rawdb.WriteSafePointBlockNumber(bc.db, bc.CurrentBlock().Number.Uint64())
+					}
+				}
+				for !bc.triegc.Empty() {
+					triedb.Dereference(bc.triegc.PopItem())
+				}
+				if _, size, _, _ := triedb.Size(); size != 0 {
+					log.Error("Dangling trie nodes after full cleanup")
 				}
-			}
-			for !bc.triegc.Empty() {
-				triedb.Dereference(bc.triegc.PopItem())
-			}
-			if _, size, _, _ := triedb.Size(); size != 0 {
-				log.Error("Dangling trie nodes after full cleanup")
 			}
 		}
 	}
@@ -1801,6 +1808,12 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
 		if err := blockBatch.Write(); err != nil {
 			log.Crit("Failed to write block into disk", "err", err)
 		}
+		bc.hc.tdCache.Add(block.Hash(), externTd)
+		bc.blockCache.Add(block.Hash(), block)
+		bc.receiptsCache.Add(block.Hash(), receipts)
+		if bc.chainConfig.IsCancun(block.Number(), block.Time()) {
+			bc.sidecarsCache.Add(block.Hash(), block.Sidecars())
+		}
 		wg.Done()
 	}()
 
@@ -1810,7 +1823,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
 
 		// If node is running in path mode, skip explicit gc operation
 		// which is unnecessary in this mode.
-		if bc.triedb.Scheme() == rawdb.PathScheme {
+		if bc.triedb.Scheme() != rawdb.HashScheme {
 			return nil
 		}
 
@@ -1911,34 +1924,26 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
 
 // WriteBlockAndSetHead writes the given block and all associated state to the database,
 // and applies the block as the new chain head.
-func (bc *BlockChain) WriteBlockAndSetHead(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool, mux *event.TypeMux) (status WriteStatus, err error) {
+func (bc *BlockChain) WriteBlockAndSetHead(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
 	if !bc.chainmu.TryLock() {
 		return NonStatTy, errChainStopped
 	}
 	defer bc.chainmu.Unlock()
 
-	return bc.writeBlockAndSetHead(block, receipts, logs, state, emitHeadEvent, mux)
+	return bc.writeBlockAndSetHead(block, receipts, logs, state, emitHeadEvent)
 }
 
 // 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, mux *event.TypeMux) (status WriteStatus, err error) {
+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 mux != nil {
-			mux.Post(NewSealedBlockEvent{Block: block})
-		}
-	}
-
-	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() {
@@ -2237,28 +2242,36 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 			parent = bc.GetHeader(block.ParentHash(), block.NumberU64()-1)
 		}
 
+		if bc.stateCache.Scheme() != rawdb.VersionScheme {
+			if block.NumberU64() == 2000001 {
+				log.Crit("exit.... path mode, 200w blocks")
+			}
+		}
+
+		bc.stateCache.SetVersion(int64(block.NumberU64()))
 		statedb, err := state.NewWithSharedPool(parent.Root, bc.stateCache, bc.snaps)
 		if err != nil {
+			bc.stateCache.Release()
 			return it.index, err
 		}
 		bc.updateHighestVerifiedHeader(block.Header())
 
 		// Enable prefetching to pull in trie node paths while processing transactions
-		statedb.StartPrefetcher("chain")
+		//statedb.StartPrefetcher("chain")
 		interruptCh := make(chan struct{})
 		// For diff sync, it may fallback to full sync, so we still do prefetch
-		if len(block.Transactions()) >= prefetchTxNumber {
-			// do Prefetch in a separate goroutine to avoid blocking the critical path
-
-			// 1.do state prefetch for snapshot cache
-			throwaway := statedb.CopyDoPrefetch()
-			go bc.prefetcher.Prefetch(block, throwaway, &bc.vmConfig, interruptCh)
-
-			// 2.do trie prefetch for MPT trie node cache
-			// it is for the big state trie tree, prefetch based on transaction's From/To address.
-			// trie prefetcher is thread safe now, ok to prefetch in a separate routine
-			go throwaway.TriePrefetchInAdvance(block, signer)
-		}
+		//if len(block.Transactions()) >= prefetchTxNumber {
+		//	// do Prefetch in a separate goroutine to avoid blocking the critical path
+		//
+		//	// 1.do state prefetch for snapshot cache
+		//	throwaway := statedb.CopyDoPrefetch()
+		//	go bc.prefetcher.Prefetch(block, throwaway, &bc.vmConfig, interruptCh)
+		//
+		//	// 2.do trie prefetch for MPT trie node cache
+		//	// it is for the big state trie tree, prefetch based on transaction's From/To address.
+		//	// trie prefetcher is thread safe now, ok to prefetch in a separate routine
+		//	go throwaway.TriePrefetchInAdvance(block, signer)
+		//}
 
 		// Process block using the parent state as reference point
 		if bc.pipeCommit {
@@ -2269,6 +2282,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 		statedb, receipts, logs, usedGas, err := bc.processor.Process(block, statedb, bc.vmConfig)
 		close(interruptCh) // state prefetch can be stopped
 		if err != nil {
+			bc.stateCache.Release()
 			bc.reportBlock(block, receipts, err)
 			statedb.StopPrefetcher()
 			return it.index, err
@@ -2278,7 +2292,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 		// Validate the state using the default validator
 		vstart := time.Now()
 		if err := bc.validator.ValidateState(block, statedb, receipts, usedGas); err != nil {
-			log.Error("validate state failed", "error", err)
+			bc.stateCache.Release()
 			bc.reportBlock(block, receipts, err)
 			statedb.StopPrefetcher()
 			return it.index, err
@@ -2311,11 +2325,13 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 			// Don't set the head, only insert the block
 			err = bc.writeBlockWithState(block, receipts, statedb)
 		} else {
-			status, err = bc.writeBlockAndSetHead(block, receipts, logs, statedb, false, nil)
+			status, err = bc.writeBlockAndSetHead(block, receipts, logs, statedb, false)
 		}
 		if err != nil {
+			bc.stateCache.Release()
 			return it.index, err
 		}
+		bc.stateCache.Release()
 
 		bc.cacheReceipts(block.Hash(), receipts, block)
 

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 {
@@ -357,8 +348,7 @@ func (bc *BlockChain) HasState(hash common.Hash) bool {
 			return true
 		}
 	}
-	_, err := bc.stateCache.OpenTrie(hash)
-	return err == nil
+	return bc.stateCache.HasState(hash)
 }
 
 // HasBlockAndState checks if a block and associated state trie is fully present
@@ -405,7 +395,8 @@ func (bc *BlockChain) State() (*state.StateDB, error) {
 
 // StateAt returns a new mutable state based on a particular point in time.
 func (bc *BlockChain) StateAt(root common.Hash) (*state.StateDB, error) {
-	stateDb, err := state.New(root, bc.stateCache, bc.snaps)
+	// new state db with no need commit mode
+	stateDb, err := state.New(root, state.NewDatabaseWithNodeDB(bc.db, bc.triedb, false), bc.snaps)
 	if err != nil {
 		return nil, err
 	}
@@ -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))

core/chain_makers.go

@@ -401,7 +401,7 @@ func GenerateChain(config *params.ChainConfig, parent *types.Block, engine conse
 	defer triedb.Close()
 
 	for i := 0; i < n; i++ {
-		statedb, err := state.New(parent.Root(), state.NewDatabaseWithNodeDB(db, triedb), nil)
+		statedb, err := state.New(parent.Root(), state.NewDatabaseWithNodeDB(db, triedb, true), nil)
 		if err != nil {
 			panic(err)
 		}
@@ -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")
 }

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{

core/events.go

@@ -27,10 +27,7 @@ type NewTxsEvent struct{ Txs []*types.Transaction }
 // ReannoTxsEvent is posted when a batch of local pending transactions exceed a specified duration.
 type ReannoTxsEvent struct{ Txs []*types.Transaction }
 
-// NewSealedBlockEvent is posted when a block has been sealed.
-type NewSealedBlockEvent struct{ Block *types.Block }
-
-// NewMinedBlockEvent is posted when a block has been mined.
+// NewMinedBlockEvent is posted when a block has been imported.
 type NewMinedBlockEvent struct{ Block *types.Block }
 
 // RemovedLogsEvent is posted when a reorg happens
@@ -53,5 +50,3 @@ type ChainSideEvent struct {
 }
 
 type ChainHeadEvent struct{ Block *types.Block }
-
-type HighestVerifiedBlockEvent struct{ Header *types.Header }

core/forkchoice.go

@@ -121,12 +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)
 		}
-		doubleSign := (extern.Coinbase == current.Coinbase)
 		reorg = !currentPreserve && (externPreserve ||
 			extern.Time < current.Time ||
-			extern.Time == current.Time &&
-				((doubleSign && extern.Hash().Cmp(current.Hash()) < 0) ||
-					(!doubleSign && f.rand.Float64() < 0.5)))
+			extern.Time == current.Time && f.rand.Float64() < 0.5)
 	}
 	return reorg, nil
 }

core/genesis.go

@@ -126,7 +126,10 @@ func hashAlloc(ga *types.GenesisAlloc, isVerkle bool) (common.Hash, error) {
 	}
 	// Create an ephemeral in-memory database for computing hash,
 	// all the derived states will be discarded to not pollute disk.
-	db := state.NewDatabaseWithConfig(rawdb.NewMemoryDatabase(), config)
+	db := state.NewDatabaseWithConfig(rawdb.NewMemoryDatabase(), config, true)
+	log.Info("genesis calc root hash use hash mode triedb")
+	db.SetVersion(0)
+	defer db.Release()
 	statedb, err := state.New(types.EmptyRootHash, db, nil)
 	if err != nil {
 		return common.Hash{}, err
@@ -154,7 +157,10 @@ func flushAlloc(ga *types.GenesisAlloc, db ethdb.Database, triedb *triedb.Databa
 	if triedbConfig != nil {
 		triedbConfig.NoTries = false
 	}
-	statedb, err := state.New(types.EmptyRootHash, state.NewDatabaseWithNodeDB(db, triedb), nil)
+	cachingdb := state.NewDatabaseWithNodeDB(db, triedb, true)
+	cachingdb.SetVersion(0)
+	defer cachingdb.Release()
+	statedb, err := state.New(types.EmptyRootHash, cachingdb, nil)
 	if err != nil {
 		return err
 	}
@@ -174,7 +180,7 @@ func flushAlloc(ga *types.GenesisAlloc, db ethdb.Database, triedb *triedb.Databa
 		return err
 	}
 	// Commit newly generated states into disk if it's not empty.
-	if root != types.EmptyRootHash {
+	if root != types.EmptyRootHash && triedb.Scheme() != rawdb.VersionScheme {
 		if err := triedb.Commit(root, true); err != nil {
 			return err
 		}
@@ -444,7 +450,7 @@ 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)
 			}
 

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
 }

core/rawdb/accessors_trie.go

@@ -46,6 +46,8 @@ const HashScheme = "hash"
 // on extra state diffs to survive deep reorg.
 const PathScheme = "path"
 
+const VersionScheme = "version"
+
 // hasher is used to compute the sha256 hash of the provided data.
 type hasher struct{ sha crypto.KeccakState }
 
@@ -314,7 +316,7 @@ func ReadStateScheme(db ethdb.Reader) string {
 // ValidateStateScheme used to check state scheme whether is valid.
 // Valid state scheme: hash and path.
 func ValidateStateScheme(stateScheme string) bool {
-	if stateScheme == HashScheme || stateScheme == PathScheme {
+	if stateScheme == HashScheme || stateScheme == PathScheme || stateScheme == VersionScheme {
 		return true
 	}
 	return false

core/state/caching_versa_db.go

@@ -0,0 +1,521 @@
+package state
+
+import (
+	"errors"
+	"fmt"
+	"sync/atomic"
+
+	versa "github.com/bnb-chain/versioned-state-database"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/lru"
+	"github.com/ethereum/go-ethereum/common/math"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/trie"
+	"github.com/ethereum/go-ethereum/trie/trienode"
+	"github.com/ethereum/go-ethereum/triedb"
+)
+
+const InvalidSateObjectVersion int64 = math.MinInt64
+
+type cachingVersaDB struct {
+	version       int64
+	triedb        *triedb.Database
+	versionDB     versa.Database
+	codeDB        ethdb.KeyValueStore
+	codeSizeCache *lru.Cache[common.Hash, int]
+	codeCache     *lru.SizeConstrainedCache[common.Hash, []byte]
+
+	accTree  *VersaTree
+	state    versa.StateHandler
+	root     common.Hash
+	mode     versa.StateMode
+	hasState atomic.Bool
+
+	debug *DebugVersionState
+}
+
+// NewVersaDatabase should be call by NewDatabaseWithNodeDB
+// TODO:: NewDatabaseWithNodeDB should add mode param.
+func NewVersaDatabase(db ethdb.Database, triedb *triedb.Database, mode versa.StateMode) Database {
+	return &cachingVersaDB{
+		triedb:        triedb,
+		versionDB:     triedb.VersaDB(),
+		codeDB:        db,
+		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
+		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
+		mode:          mode,
+		state:         versa.ErrStateHandler,
+	}
+}
+
+func (cv *cachingVersaDB) Copy() Database {
+	cp := &cachingVersaDB{}
+	cp.codeCache = cv.codeCache
+	cp.codeSizeCache = cv.codeSizeCache
+	cp.triedb = cv.triedb
+	cp.versionDB = cv.versionDB
+	cp.codeDB = cv.codeDB
+	cp.mode = versa.S_RW // it is important
+
+	// TODO:: maybe add lock for cv.root
+	if cv.hasState.Load() {
+		_, err := cp.OpenTrie(cv.root)
+		if err != nil {
+			if cv.debug != nil {
+				cv.debug.OnError(fmt.Errorf("failed to open trie in copy caching versa db, error: %s", err.Error()))
+			}
+			return cp
+		}
+	}
+	return cp
+}
+
+// CopyTrie is used with Copy()
+func (cv *cachingVersaDB) CopyTrie(tr Trie) Trie {
+	vtr, ok := tr.(*VersaTree)
+	if !ok {
+		panic("caching versa db copy non versa tree")
+	}
+	if vtr.accountTree {
+		if cv.accTree != nil {
+			if cv.accTree.root.Cmp(vtr.root) != 0 {
+				panic("copy acc trie mismatch")
+			}
+			return cv.accTree
+		}
+		tree, err := cv.OpenTrie(vtr.root)
+		if err != nil {
+			if cv.debug != nil {
+				cv.debug.OnError(fmt.Errorf("failed to open trie in copy versa trie, error: %s", err.Error()))
+			}
+			return nil
+		}
+		return tree
+	} else {
+		tree, err := cv.OpenStorageTrie(vtr.stateRoot, vtr.address, vtr.root, nil)
+		if err != nil {
+			if cv.debug != nil {
+				cv.debug.OnError(fmt.Errorf("failed to open storage trie in copy versa trie, error: %s", err.Error()))
+			}
+			return nil
+		}
+		return tree
+	}
+	return nil
+}
+
+func (cv *cachingVersaDB) HasState(root common.Hash) bool {
+	return cv.versionDB.HasState(root)
+}
+
+func (cv *cachingVersaDB) OpenTrie(root common.Hash) (Trie, error) {
+	if cv.hasState.Load() {
+		//TODO:: will change to log.Error after stabilization
+		panic("account tree has open")
+	}
+
+	// TODO:: if root tree, versa db should ignore check version, temp use -1
+	state, err := cv.versionDB.OpenState(cv.version, root, cv.mode)
+	if err != nil {
+		if cv.debug != nil {
+			cv.debug.OnError(fmt.Errorf("failed to open state, root:%s, error: %s", root.String(), err.Error()))
+		}
+		return nil, err
+	}
+	if cv.debug != nil {
+		cv.debug.OnOpenState(state)
+	}
+
+	handler, err := cv.versionDB.OpenTree(state, cv.version, common.Hash{}, root)
+	if err != nil {
+		if cv.debug != nil {
+			cv.debug.OnError(fmt.Errorf("failed to open account trie, root:%s, error: %s", root.String(), err.Error()))
+		}
+		return nil, err
+	}
+
+	tree := &VersaTree{
+		db:          cv.versionDB,
+		handler:     handler,
+		accountTree: true,
+		root:        root,
+		mode:        cv.mode,
+		debug:       cv.debug,
+	}
+
+	cv.state = state
+	cv.hasState.Store(true) // if set, can't change
+	cv.accTree = tree
+	cv.root = root
+
+	if cv.debug != nil {
+		cv.debug.OnOpenTree(handler, common.Hash{}, common.Address{})
+	}
+
+	return tree, nil
+}
+
+func (cv *cachingVersaDB) OpenStorageTrie(stateRoot common.Hash, address common.Address, root common.Hash, _ Trie) (Trie, error) {
+	version, _, err := cv.accTree.getAccountWithVersion(address)
+	if err != nil {
+		return nil, err
+	}
+	return cv.openStorageTreeWithVersion(version, stateRoot, address, root)
+}
+
+func (cv *cachingVersaDB) openStorageTreeWithVersion(version int64, stateRoot common.Hash, address common.Address, root common.Hash) (Trie, error) {
+	if !cv.hasState.Load() {
+		//TODO:: will change to log.Error after stabilization
+		panic("open account tree, before open storage tree")
+	}
+	if cv.root.Cmp(stateRoot) != 0 {
+		panic(fmt.Sprintf("account root mismatch, on open storage tree, actual: %s, expect: %s", root.String(), cv.root.String()))
+	}
+
+	owner := crypto.Keccak256Hash(address.Bytes())
+	handler, err := cv.versionDB.OpenTree(cv.state, version, owner, root)
+	if err != nil {
+		if cv.debug != nil {
+			cv.debug.OnError(fmt.Errorf("failed to open storage trie, version: %d,stateRoot:%s, address:%s, root: %s, error: %s",
+				version, stateRoot.String(), address.String(), root.String(), err.Error()))
+		}
+		return nil, err
+	}
+
+	if cv.debug != nil {
+		cv.debug.OnOpenTree(handler, owner, address)
+	}
+	tree := &VersaTree{
+		db:        cv.versionDB,
+		handler:   handler,
+		version:   version,
+		root:      stateRoot,
+		stateRoot: root,
+		address:   address,
+		mode:      cv.mode,
+		debug:     cv.debug,
+	}
+	return tree, nil
+}
+
+// Flush unique to versa
+func (cv *cachingVersaDB) Flush() error {
+	err := cv.versionDB.Flush(cv.state)
+	if err != nil && cv.debug != nil {
+		cv.debug.OnError(fmt.Errorf("failed to flush state, version: %d, root:%s, mode:%d, error: %s",
+			cv.accTree.version, cv.accTree.root.String(), cv.accTree.mode, err.Error()))
+	}
+	return err
+}
+
+func (cv *cachingVersaDB) SetVersion(version int64) {
+	cv.version = version - 1
+	cv.debug = NewDebugVersionState(cv.codeDB, cv.versionDB)
+	cv.debug.Version = version
+}
+
+func (cv *cachingVersaDB) GetVersion() int64 {
+	return cv.version
+}
+
+// Release unique to versa
+func (cv *cachingVersaDB) Release() error {
+	//log.Info("close state", "state info", cv.versionDB.ParseStateHandler(cv.state))
+	if cv.state != versa.ErrStateHandler {
+		if cv.debug != nil {
+			cv.debug.OnCloseState(cv.state)
+		}
+		if err := cv.versionDB.CloseState(cv.state); err != nil {
+			if cv.debug != nil {
+				cv.debug.OnError(fmt.Errorf("failed to close state in release, version: %d, root:%s, mode:%d, error: %s",
+					cv.accTree.version, cv.accTree.root.String(), cv.accTree.mode, err.Error()))
+			}
+			return err
+		}
+		cv.hasState.Store(false)
+		cv.accTree = nil
+		cv.state = versa.ErrStateHandler
+		cv.root = common.Hash{}
+		cv.debug = nil
+	}
+	return nil
+}
+
+func (cv *cachingVersaDB) Reset() {
+	if cv.state != versa.ErrStateHandler {
+		_ = cv.versionDB.CloseState(cv.state)
+		panic("close state in reset")
+	}
+	cv.hasState.Store(false)
+	cv.accTree = nil
+	cv.state = versa.ErrStateHandler
+	cv.root = common.Hash{}
+}
+
+func (cv *cachingVersaDB) HasTreeExpired(tr Trie) bool {
+	vtr, ok := tr.(*VersaTree)
+	if !ok {
+		panic("trie type mismatch")
+	}
+	return cv.versionDB.HasTreeExpired(vtr.handler)
+}
+
+func (cv *cachingVersaDB) Scheme() string {
+	return cv.triedb.Scheme()
+}
+
+func (cv *cachingVersaDB) ContractCode(addr common.Address, codeHash common.Hash) ([]byte, error) {
+	if cv.debug != nil {
+		cv.debug.OnGetCode(addr, codeHash)
+	}
+	code, _ := cv.codeCache.Get(codeHash)
+	if len(code) > 0 {
+		return code, nil
+	}
+	code = rawdb.ReadCode(cv.codeDB, codeHash)
+	if len(code) > 0 {
+		cv.codeCache.Add(codeHash, code)
+		cv.codeSizeCache.Add(codeHash, len(code))
+		return code, nil
+	}
+	return nil, errors.New("not found")
+}
+
+func (cv *cachingVersaDB) ContractCodeSize(addr common.Address, codeHash common.Hash) (int, error) {
+	if cached, ok := cv.codeSizeCache.Get(codeHash); ok {
+		return cached, nil
+	}
+	code, err := cv.ContractCode(addr, codeHash)
+	return len(code), err
+}
+
+func (cv *cachingVersaDB) ContractCodeWithPrefix(address common.Address, codeHash common.Hash) ([]byte, error) {
+	code, _ := cv.codeCache.Get(codeHash)
+	if len(code) > 0 {
+		return code, nil
+	}
+	code = rawdb.ReadCodeWithPrefix(cv.codeDB, codeHash)
+	if len(code) > 0 {
+		cv.codeCache.Add(codeHash, code)
+		cv.codeSizeCache.Add(codeHash, len(code))
+		return code, nil
+	}
+	return nil, errors.New("not found")
+}
+
+func (cv *cachingVersaDB) DiskDB() ethdb.KeyValueStore {
+	return cv.codeDB
+}
+
+func (cv *cachingVersaDB) TrieDB() *triedb.Database {
+	return cv.triedb
+}
+
+func (cv *cachingVersaDB) NoTries() bool {
+	// TODO:: not support fastnode
+	return false
+}
+
+type VersaTree struct {
+	db          versa.Database
+	handler     versa.TreeHandler
+	version     int64
+	accountTree bool
+	debug       *DebugVersionState
+
+	// TODO:: debugging, used for logging
+	stateRoot common.Hash
+	root      common.Hash
+	address   common.Address
+	mode      versa.StateMode
+}
+
+func (vt *VersaTree) GetKey(key []byte) []byte {
+	_, val, err := vt.db.Get(vt.handler, key)
+	if err != nil {
+		log.Warn("failed to get key from version db")
+	}
+	return val
+}
+
+func (vt *VersaTree) GetAccount(address common.Address) (*types.StateAccount, error) {
+	_, res, err := vt.getAccountWithVersion(address)
+	return res, err
+}
+
+func (vt *VersaTree) getAccountWithVersion(address common.Address) (int64, *types.StateAccount, error) {
+	vt.CheckAccountTree()
+	ver, res, err := vt.db.Get(vt.handler, address.Bytes())
+	if res == nil || err != nil {
+		if err != nil && vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to get account, root: %s, address: %s, error: %s",
+				vt.root.String(), address.String(), err.Error()))
+		}
+		return ver, nil, err
+	}
+	ret := new(types.StateAccount)
+	err = rlp.DecodeBytes(res, ret)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to rlp decode account, root: %s, address: %s, error: %s",
+				vt.root.String(), address.String(), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnGetAccount(address, ret)
+	}
+	return ver, ret, err
+}
+
+func (vt *VersaTree) GetStorage(address common.Address, key []byte) ([]byte, error) {
+	if vt.address.Cmp(address) != 0 {
+		panic(fmt.Sprintf("address mismatch in get storage, expect: %s, actul: %s", vt.address.String(), address.String()))
+	}
+	vt.CheckStorageTree()
+	_, enc, err := vt.db.Get(vt.handler, key)
+	if err != nil || len(enc) == 0 {
+		if err != nil && vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to get storage, root: %s, stateRoot: %s, address:%s, key: %s, error: %s",
+				vt.root.String(), vt.stateRoot.String(), address.String(), common.Bytes2Hex(key), err.Error()))
+		}
+		return nil, err
+	}
+	_, content, _, err := rlp.Split(enc)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to rlp decode storage, root: %s, stateRoot: %s, address: %s, key: %s,error: %s",
+				vt.root.String(), vt.stateRoot.String(), address.String(), common.Bytes2Hex(key), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnGetStorage(vt.handler, address, key, content)
+	}
+	return content, err
+}
+
+func (vt *VersaTree) UpdateAccount(address common.Address, account *types.StateAccount) error {
+	vt.CheckAccountTree()
+	data, err := rlp.EncodeToBytes(account)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to update account, root: %s, address: %s, account: %s, error: %s",
+				vt.root.String(), address.String(), account.String(), err.Error()))
+		}
+		return err
+	}
+	if vt.debug != nil {
+		vt.debug.OnUpdateAccount(address, account)
+	}
+	return vt.db.Put(vt.handler, address.Bytes(), data)
+}
+
+func (vt *VersaTree) UpdateStorage(address common.Address, key, value []byte) error {
+	if vt.address.Cmp(address) != 0 {
+		panic(fmt.Sprintf("address mismatch in get storage, expect: %s, actul: %s", vt.address.String(), address.String()))
+	}
+	vt.CheckStorageTree()
+	v, _ := rlp.EncodeToBytes(value)
+	err := vt.db.Put(vt.handler, key, v)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to update storage, root: %s, stateRoot: %s, address: %s, key: %s, val: %s, error: %s",
+				vt.root.String(), vt.stateRoot.String(), address.String(), common.Bytes2Hex(key), common.Bytes2Hex(value), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnUpdateStorage(vt.handler, address, key, value)
+	}
+	return err
+}
+
+func (vt *VersaTree) DeleteAccount(address common.Address) error {
+	vt.CheckAccountTree()
+	err := vt.db.Delete(vt.handler, address.Bytes())
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to delete account, root: %s, address: %s, error: %s",
+				vt.root.String(), address.String(), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnDeleteAccount(address)
+	}
+	return err
+}
+
+func (vt *VersaTree) DeleteStorage(address common.Address, key []byte) error {
+	vt.CheckStorageTree()
+	err := vt.db.Delete(vt.handler, key)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to delete storage, root: %s, stateRoot: %s, address: %s, key: %s, error: %s",
+				vt.root.String(), vt.stateRoot.String(), address.String(), common.Bytes2Hex(key), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnDeleteStorage(vt.handler, address, key)
+	}
+	return err
+}
+
+func (vt *VersaTree) UpdateContractCode(address common.Address, codeHash common.Hash, code []byte) error {
+	return nil
+}
+
+func (vt *VersaTree) Hash() common.Hash {
+	hash, err := vt.db.CalcRootHash(vt.handler)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to calc root, root: %s, stateRoot%s, error:%s",
+				vt.root.String(), vt.stateRoot.String(), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnCalcHash(vt.address, hash)
+	}
+	return hash
+}
+
+func (vt *VersaTree) Commit(_ bool) (common.Hash, *trienode.NodeSet, error) {
+	hash, err := vt.db.Commit(vt.handler)
+	if err != nil {
+		if vt.debug != nil {
+			vt.debug.OnError(fmt.Errorf("failed to commit versa tree, root: %s, stateRoot: %s, error: %s",
+				vt.root.String(), vt.stateRoot.String(), err.Error()))
+		}
+	}
+	if vt.debug != nil {
+		vt.debug.OnCalcHash(vt.address, hash)
+		vt.debug.OnCommitTree(vt.address, vt.handler)
+	}
+	return hash, nil, err
+}
+
+func (vt *VersaTree) NodeIterator(startKey []byte) (trie.NodeIterator, error) {
+	panic("versa tree not support iterate")
+	return nil, nil
+}
+
+func (vt *VersaTree) Prove(key []byte, proofDb ethdb.KeyValueWriter) error {
+	panic("versa tree not support prove")
+	return nil
+}
+
+// TODO:: debug code, will be deleted after stabilization
+func (vt *VersaTree) CheckAccountTree() {
+	if !vt.accountTree {
+		panic("sub tree can't operate account")
+	}
+}
+
+// TODO:: debug code, will be deleted after stabilization
+func (vt *VersaTree) CheckStorageTree() {
+	if vt.accountTree {
+		panic("root tree can't operate storage")
+	}
+}

core/state/database.go

@@ -20,6 +20,7 @@ import (
 	"errors"
 	"fmt"
 
+	versa "github.com/bnb-chain/versioned-state-database"
 	"github.com/crate-crypto/go-ipa/banderwagon"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/lru"
@@ -70,8 +71,33 @@ type Database interface {
 	// TrieDB returns the underlying trie database for managing trie nodes.
 	TrieDB() *triedb.Database
 
+	// Scheme returns triedb scheme, used to distinguish version triedb.
+	Scheme() string
+
+	// Flush used for version caching versa db to commit block state data.
+	Flush() error
+
+	// Release used for caching versa db to release resource.
+	Release() error
+
+	// Reset used for caching versa db to clean up meta data.
+	Reset()
+
+	// Copy used for caching versa db to copy db, main to transfer triedb with rw mode.
+	Copy() Database
+
+	// HasState returns the state data whether in the triedb.
+	HasState(root common.Hash) bool
+
+	// HasTreeExpired used for caching versa db, whether the state where the opened tree resides has been closed
+	HasTreeExpired(tr Trie) bool
+
 	// NoTries returns whether the database has tries storage.
 	NoTries() bool
+
+	SetVersion(version int64)
+
+	GetVersion() int64
 }
 
 // Trie is a Ethereum Merkle Patricia trie.
@@ -148,28 +174,43 @@ type Trie interface {
 // concurrent use, but does not retain any recent trie nodes in memory. To keep some
 // historical state in memory, use the NewDatabaseWithConfig constructor.
 func NewDatabase(db ethdb.Database) Database {
-	return NewDatabaseWithConfig(db, nil)
+	return NewDatabaseWithConfig(db, nil, false)
 }
 
 // NewDatabaseWithConfig creates a backing store for state. The returned database
 // is safe for concurrent use and retains a lot of collapsed RLP trie nodes in a
 // large memory cache.
-func NewDatabaseWithConfig(db ethdb.Database, config *triedb.Config) Database {
+func NewDatabaseWithConfig(db ethdb.Database, config *triedb.Config, needCommit bool) Database {
 	noTries := config != nil && config.NoTries
 
+	triedb := triedb.NewDatabase(db, config)
+	if triedb.Scheme() == rawdb.VersionScheme {
+		if needCommit {
+			return NewVersaDatabase(db, triedb, versa.S_COMMIT)
+		}
+		return NewVersaDatabase(db, triedb, versa.S_RW)
+	}
+
 	return &cachingDB{
 		disk:          db,
 		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
 		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
-		triedb:        triedb.NewDatabase(db, config),
+		triedb:        triedb,
 		noTries:       noTries,
 	}
 }
 
 // NewDatabaseWithNodeDB creates a state database with an already initialized node database.
-func NewDatabaseWithNodeDB(db ethdb.Database, triedb *triedb.Database) Database {
+func NewDatabaseWithNodeDB(db ethdb.Database, triedb *triedb.Database, needCommit bool) Database {
 	noTries := triedb != nil && triedb.Config() != nil && triedb.Config().NoTries
 
+	if triedb.Scheme() == rawdb.VersionScheme {
+		if needCommit {
+			return NewVersaDatabase(db, triedb, versa.S_COMMIT)
+		}
+		return NewVersaDatabase(db, triedb, versa.S_RW)
+	}
+
 	return &cachingDB{
 		disk:          db,
 		codeSizeCache: lru.NewCache[common.Hash, int](codeSizeCacheSize),
@@ -185,6 +226,8 @@ type cachingDB struct {
 	codeCache     *lru.SizeConstrainedCache[common.Hash, []byte]
 	triedb        *triedb.Database
 	noTries       bool
+
+	debug *DebugHashState
 }
 
 // OpenTrie opens the main account trie at a specific root hash.
@@ -197,9 +240,22 @@ func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) {
 	}
 	tr, err := trie.NewStateTrie(trie.StateTrieID(root), db.triedb)
 	if err != nil {
+		if db.debug != nil {
+			db.debug.OnError(fmt.Errorf("failed to open tree, root: %s, error: %s", root.String(), err.Error()))
+		}
 		return nil, err
 	}
-	return tr, nil
+	ht := &HashTrie{
+		trie:    tr,
+		root:    root,
+		address: common.Address{},
+		owner:   common.Hash{},
+		debug:   db.debug,
+	}
+	if db.debug != nil {
+		db.debug.OnOpenTree(root, common.Hash{}, common.Address{})
+	}
+	return ht, nil
 }
 
 // OpenStorageTrie opens the storage trie of an account.
@@ -214,11 +270,27 @@ func (db *cachingDB) OpenStorageTrie(stateRoot common.Hash, address common.Addre
 	if db.triedb.IsVerkle() {
 		return self, nil
 	}
-	tr, err := trie.NewStateTrie(trie.StorageTrieID(stateRoot, crypto.Keccak256Hash(address.Bytes()), root), db.triedb)
+	owner := crypto.Keccak256Hash(address.Bytes())
+	tr, err := trie.NewStateTrie(trie.StorageTrieID(stateRoot, owner, root), db.triedb)
 	if err != nil {
+		if db.debug != nil {
+			db.debug.OnError(fmt.Errorf("failed to storage open tree, stateRoot: %s, address: %s, root: %s, error: %s",
+				stateRoot.String(), address.String(), root.String(), err.Error()))
+		}
 		return nil, err
 	}
-	return tr, nil
+	ht := &HashTrie{
+		trie:     tr,
+		root:     stateRoot,
+		statRoot: root,
+		address:  address,
+		owner:    owner,
+		debug:    db.debug,
+	}
+	if db.debug != nil {
+		db.debug.OnOpenTree(root, owner, address)
+	}
+	return ht, nil
 }
 
 func (db *cachingDB) NoTries() bool {
@@ -235,6 +307,8 @@ func (db *cachingDB) CopyTrie(t Trie) Trie {
 		return t.Copy()
 	case *trie.EmptyTrie:
 		return t.Copy()
+	case *HashTrie:
+		return db.CopyTrie(t.trie)
 	default:
 		panic(fmt.Errorf("unknown trie type %T", t))
 	}
@@ -242,6 +316,9 @@ func (db *cachingDB) CopyTrie(t Trie) Trie {
 
 // ContractCode retrieves a particular contract's code.
 func (db *cachingDB) ContractCode(address common.Address, codeHash common.Hash) ([]byte, error) {
+	if db.debug != nil {
+		db.debug.OnGetCode(address, codeHash)
+	}
 	code, _ := db.codeCache.Get(codeHash)
 	if len(code) > 0 {
 		return code, nil
@@ -290,3 +367,178 @@ func (db *cachingDB) DiskDB() ethdb.KeyValueStore {
 func (db *cachingDB) TrieDB() *triedb.Database {
 	return db.triedb
 }
+
+func (db *cachingDB) Reset() {
+	return
+}
+
+func (db *cachingDB) Scheme() string {
+	return db.triedb.Scheme()
+}
+
+func (db *cachingDB) Flush() error {
+	return nil
+}
+
+func (db *cachingDB) Release() error {
+	db.debug.flush()
+	db.debug = nil
+	return nil
+}
+
+func (db *cachingDB) SetVersion(version int64) {
+	db.debug = NewDebugHashState(db.disk)
+	db.debug.Version = version
+}
+
+func (db *cachingDB) GetVersion() int64 {
+	return db.debug.Version
+}
+
+func (db *cachingDB) Copy() Database {
+	return db
+}
+
+func (db *cachingDB) HasState(root common.Hash) bool {
+	_, err := db.OpenTrie(root)
+	return err == nil
+}
+
+func (db *cachingDB) HasTreeExpired(_ Trie) bool {
+	return false
+}
+
+type HashTrie struct {
+	trie     Trie
+	root     common.Hash
+	statRoot common.Hash
+	address  common.Address
+	owner    common.Hash
+
+	debug *DebugHashState
+}
+
+func (ht *HashTrie) GetKey(key []byte) []byte {
+	return ht.trie.GetKey(key)
+}
+
+func (ht *HashTrie) GetAccount(address common.Address) (*types.StateAccount, error) {
+	acc, err := ht.trie.GetAccount(address)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to get account, address: %s, error: %s", address.String(), err.Error()))
+		}
+		return nil, err
+	}
+	if ht.debug != nil {
+		ht.debug.OnGetAccount(address, acc)
+	}
+	return acc, nil
+}
+
+func (ht *HashTrie) GetStorage(addr common.Address, key []byte) ([]byte, error) {
+	val, err := ht.trie.GetStorage(addr, key)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to get storage, address: %s, error: %s", addr.String(), err.Error()))
+		}
+		return val, err
+	}
+	if ht.debug != nil {
+		ht.debug.OnGetStorage(addr, key, val)
+	}
+	return val, err
+}
+
+func (ht *HashTrie) UpdateAccount(address common.Address, account *types.StateAccount) error {
+	err := ht.trie.UpdateAccount(address, account)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to update account, address: %s, account: %s, error: %s",
+				address.String(), account.String(), err.Error()))
+		}
+		return err
+	}
+	if ht.debug != nil {
+		ht.debug.OnUpdateAccount(address, account)
+	}
+	return nil
+}
+
+func (ht *HashTrie) UpdateStorage(addr common.Address, key, value []byte) error {
+	err := ht.trie.UpdateStorage(addr, key, value)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to update storage, address: %s, key: %s, val: %s, error: %s",
+				addr.String(), common.Bytes2Hex(key), common.Bytes2Hex(value), err.Error()))
+		}
+		return err
+	}
+	if ht.debug != nil {
+		ht.debug.OnUpdateStorage(addr, key, value)
+	}
+	return nil
+}
+
+func (ht *HashTrie) DeleteAccount(address common.Address) error {
+	err := ht.trie.DeleteAccount(address)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to delete account, address: %s, error: %s", address.String(), err.Error()))
+		}
+		return err
+	}
+	if ht.debug != nil {
+		ht.debug.OnDeleteAccount(address)
+	}
+	return nil
+}
+
+func (ht *HashTrie) DeleteStorage(addr common.Address, key []byte) error {
+	err := ht.trie.DeleteStorage(addr, key)
+	if err != nil {
+		if ht.debug != nil {
+			ht.debug.OnError(fmt.Errorf("failed to update storage, address: %s, key: %s, error: %s",
+				addr.String(), common.Bytes2Hex(key), err.Error()))
+		}
+		return err
+	}
+	if ht.debug != nil {
+		ht.debug.OnDeleteStorage(addr, key)
+	}
+	return nil
+}
+
+func (ht *HashTrie) UpdateContractCode(address common.Address, codeHash common.Hash, code []byte) error {
+	return ht.trie.UpdateContractCode(address, codeHash, code)
+}
+
+func (ht *HashTrie) Hash() common.Hash {
+	root := ht.trie.Hash()
+	if ht.debug != nil {
+		ht.debug.OnCalcHash(ht.address, root)
+	}
+	return root
+}
+
+func (ht *HashTrie) Commit(collectLeaf bool) (common.Hash, *trienode.NodeSet, error) {
+	hash, set, err := ht.trie.Commit(collectLeaf)
+	if err != nil {
+		ht.debug.OnError(fmt.Errorf("failed to commit tree, address: %s, error: %s",
+			ht.address.String(), err.Error()))
+		return hash, set, err
+	}
+	if ht.debug != nil {
+		ht.debug.OnCalcHash(ht.address, hash)
+		ht.debug.OnCommitTree(ht.address, hash)
+	}
+	return hash, set, nil
+}
+
+func (ht *HashTrie) NodeIterator(startKey []byte) (trie.NodeIterator, error) {
+	return ht.trie.NodeIterator(startKey)
+}
+
+func (ht *HashTrie) Prove(key []byte, proofDb ethdb.KeyValueWriter) error {
+	return ht.trie.Prove(key, proofDb)
+}

core/state/dump.go

@@ -161,7 +161,7 @@ func (s *StateDB) DumpToCollector(c DumpCollector, conf *DumpConfig) (nextKey []
 			address = &addr
 			account.Address = address
 		}
-		obj := newObject(s, addr, &data)
+		obj := newObject(s, addr, &data, InvalidSateObjectVersion)
 		if !conf.SkipCode {
 			account.Code = obj.Code()
 		}

core/state/pruner/pruner.go

@@ -232,6 +232,7 @@ func pruneAll(maindb ethdb.Database, g *core.Genesis) error {
 		}
 		log.Info("Database compaction finished", "elapsed", common.PrettyDuration(time.Since(cstart)))
 	}
+	// pruner should be not used to version db
 	statedb, _ := state.New(common.Hash{}, state.NewDatabase(maindb), nil)
 	for addr, account := range g.Alloc {
 		statedb.AddBalance(addr, uint256.MustFromBig(account.Balance))

core/state/state_object.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/metrics"
@@ -63,6 +64,7 @@ func (s Storage) Copy() Storage {
 // - Finally, call commit to return the changes of storage trie and update account data.
 type stateObject struct {
 	db       *StateDB
+	version  int64
 	address  common.Address      // address of ethereum account
 	addrHash common.Hash         // hash of ethereum address of the account
 	origin   *types.StateAccount // Account original data without any change applied, nil means it was not existent
@@ -99,7 +101,7 @@ func (s *stateObject) empty() bool {
 }
 
 // newObject creates a state object.
-func newObject(db *StateDB, address common.Address, acct *types.StateAccount) *stateObject {
+func newObject(db *StateDB, address common.Address, acct *types.StateAccount, version int64) *stateObject {
 	var (
 		origin  = acct
 		created = acct == nil // true if the account was not existent
@@ -112,9 +114,9 @@ func newObject(db *StateDB, address common.Address, acct *types.StateAccount) *s
 	if db != nil && db.storagePool != nil {
 		storageMap = db.GetStorage(address)
 	}
-
 	return &stateObject{
 		db:                  db,
+		version:             version,
 		address:             address,
 		addrHash:            crypto.Keccak256Hash(address[:]),
 		origin:              origin,
@@ -158,8 +160,18 @@ func (s *stateObject) getTrie() (Trie, error) {
 		//	s.trie = s.db.prefetcher.trie(s.addrHash, s.data.Root)
 		// }
 		// if s.trie == nil {
-		tr, err := s.db.db.OpenStorageTrie(s.db.originalRoot, s.address, s.data.Root, s.db.trie)
+		var (
+			tr  Trie
+			err error
+		)
+		if s.version == InvalidSateObjectVersion {
+			tr, err = s.db.db.OpenStorageTrie(s.db.originalRoot, s.address, s.data.Root, s.db.trie)
+		} else {
+			tr, err = s.db.db.(*cachingVersaDB).openStorageTreeWithVersion(s.version, s.db.originalRoot, s.address, s.data.Root)
+		}
+
 		if err != nil {
+			panic(fmt.Sprintf("open storage storage failed, root version: %d, storage version: %d, addrss: %s, storage root: %s, error: %s", s.db.db.GetVersion(), s.version, s.address.String(), s.data.Root.String(), err.Error()))
 			return nil, err
 		}
 		s.trie = tr
@@ -229,6 +241,7 @@ func (s *stateObject) GetCommittedState(key common.Hash) common.Hash {
 		value common.Hash
 	)
 	if s.db.snap != nil {
+		panic("snap is not nil")
 		start := time.Now()
 		enc, err = s.db.snap.Storage(s.addrHash, crypto.Keccak256Hash(key.Bytes()))
 		if metrics.EnabledExpensive {
@@ -302,6 +315,30 @@ func (s *stateObject) finalise(prefetch bool) {
 	}
 }
 
+func (s *stateObject) IsContractAccount() bool {
+	return s.data.Root.Cmp(types.EmptyRootHash) != 0 ||
+		bytes.Compare(s.data.CodeHash, types.EmptyCodeHash.Bytes()) != 0
+}
+
+func (s *stateObject) IsAccountChanged() bool {
+	if s.origin == nil {
+		return true
+	}
+	if s.data.Nonce != s.origin.Nonce {
+		return true
+	}
+	if s.data.Balance.Cmp(s.origin.Balance) != 0 {
+		return true
+	}
+	if s.data.Root.Cmp(s.origin.Root) != 0 {
+		return true
+	}
+	if bytes.Compare(s.data.CodeHash, s.origin.CodeHash) != 0 {
+		return true
+	}
+	return false
+}
+
 // updateTrie is responsible for persisting cached storage changes into the
 // object's storage trie. In case the storage trie is not yet loaded, this
 // function will load the trie automatically. If any issues arise during the
@@ -312,10 +349,28 @@ func (s *stateObject) updateTrie() (Trie, error) {
 	// Make sure all dirty slots are finalized into the pending storage area
 	s.finalise(false)
 
-	// Short circuit if nothing changed, don't bother with hashing anything
-	if len(s.pendingStorage) == 0 {
-		return s.trie, nil
+	// fix 33740 blocks issue, add 1002 contract balance, but not update 1002
+	// storage tree, the case lead to 1002 account version mismatch with 1002
+	// storage tree version, occurs 53409 block open 1002 storage tree error.
+	if s.db.db.Scheme() == rawdb.VersionScheme {
+		if len(s.pendingStorage) == 0 {
+			// transferring balance to a contract or upgrading the code, but
+			// without updating the storage key, a commit is still required to
+			// increment the version number of the storage tree.
+			if !s.IsContractAccount() {
+				return s.trie, nil
+			}
+			//if !s.IsAccountChanged() {
+			//	return s.trie, nil
+			//}
+		}
+	} else {
+		// Short circuit if nothing changed, don't bother with hashing anything
+		if len(s.pendingStorage) == 0 {
+			return s.trie, nil
+		}
 	}
+
 	// Track the amount of time wasted on updating the storage trie
 	if metrics.EnabledExpensive {
 		defer func(start time.Time) {
@@ -511,6 +566,7 @@ func (s *stateObject) setBalance(amount *uint256.Int) {
 }
 
 func (s *stateObject) deepCopy(db *StateDB) *stateObject {
+	//TODO:: debug code, deleted in the future
 	obj := &stateObject{
 		db:       db,
 		address:  s.address,

core/state/statedb.go

@@ -166,12 +166,18 @@ 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
 }
 
 // New creates a new state from a given trie.
 func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error) {
+	if db.Scheme() == rawdb.VersionScheme && snaps != nil {
+		panic("statedb snapshot must be nil in version db.")
+	}
+	// clean up previous traces
+	db.Reset()
+
 	sdb := &StateDB{
 		db:                   db,
 		originalRoot:         root,
@@ -196,6 +202,7 @@ func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error)
 		sdb.snap = sdb.snaps.Snapshot(root)
 	}
 
+	// It should only one to open account tree
 	tr, err := db.OpenTrie(root)
 	// return error when 1. failed to open trie and 2. the snap is nil or the snap is not nil and done verification
 	if err != nil && (sdb.snap == nil || sdb.snap.Verified()) {
@@ -222,6 +229,9 @@ func (s *StateDB) TransferPrefetcher(prev *StateDB) {
 	prev.prefetcherLock.Lock()
 	fetcher = prev.prefetcher
 	prev.prefetcher = nil
+	if fetcher != nil {
+		panic("TransferPrefetcher is not nil")
+	}
 	prev.prefetcherLock.Unlock()
 
 	s.prefetcherLock.Lock()
@@ -243,6 +253,8 @@ func (s *StateDB) StartPrefetcher(namespace string) {
 		s.prefetcher = nil
 	}
 	if s.snap != nil {
+		// TODO:: debug code , will be deleted in the future
+		panic("snapshot is not nill, will start prefetch")
 		parent := s.snap.Parent()
 		if parent != nil {
 			s.prefetcher = newTriePrefetcher(s.db, s.originalRoot, parent.Root(), namespace)
@@ -305,6 +317,7 @@ func (s *StateDB) EnablePipeCommit() {
 	if s.snap != nil && s.snaps.Layers() > 1 {
 		// after big merge, disable pipeCommit for now,
 		// because `s.db.TrieDB().Update` should be called after `s.trie.Commit(true)`
+		panic("snapshot is not nil")
 		s.pipeCommit = false
 	}
 }
@@ -323,6 +336,8 @@ func (s *StateDB) MarkFullProcessed() {
 func (s *StateDB) setError(err error) {
 	if s.dbErr == nil {
 		s.dbErr = err
+	} else {
+		s.dbErr = fmt.Errorf(s.dbErr.Error()+", ", err.Error())
 	}
 }
 
@@ -338,6 +353,8 @@ func (s *StateDB) Error() error {
 // Not thread safe
 func (s *StateDB) Trie() (Trie, error) {
 	if s.trie == nil {
+		// TODO:: debug code, will be deleted in the future.
+		panic("state get trie is nil")
 		err := s.WaitPipeVerification()
 		if err != nil {
 			return nil, err
@@ -719,6 +736,7 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 	// If no live objects are available, attempt to use snapshots
 	var data *types.StateAccount
 	if s.snap != nil {
+		panic("snapshot is not nil")
 		start := time.Now()
 		acc, err := s.snap.Account(crypto.HashData(s.hasher, addr.Bytes()))
 		if metrics.EnabledExpensive {
@@ -743,9 +761,12 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 		}
 	}
 
+	version := InvalidSateObjectVersion
 	// If snapshot unavailable or reading from it failed, load from the database
 	if data == nil {
 		if s.trie == nil {
+			// TODO:: debug code, will be deleted in the future.
+			panic("getDeletedStateObject get trie is nil")
 			tr, err := s.db.OpenTrie(s.originalRoot)
 			if err != nil {
 				s.setError(errors.New("failed to open trie tree"))
@@ -755,7 +776,12 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 		}
 		start := time.Now()
 		var err error
-		data, err = s.trie.GetAccount(addr)
+		if vtr, ok := s.trie.(*VersaTree); ok {
+			version, data, err = vtr.getAccountWithVersion(addr)
+		} else {
+			data, err = s.trie.GetAccount(addr)
+		}
+
 		if metrics.EnabledExpensive {
 			s.AccountReads += time.Since(start)
 		}
@@ -768,7 +794,7 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 		}
 	}
 	// Insert into the live set
-	obj := newObject(s, addr, data)
+	obj := newObject(s, addr, data, version)
 	s.setStateObject(obj)
 	return obj
 }
@@ -790,7 +816,7 @@ func (s *StateDB) getOrNewStateObject(addr common.Address) *stateObject {
 // the given address, it is overwritten and returned as the second return value.
 func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
 	prev = s.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
-	newobj = newObject(s, addr, nil)
+	newobj = newObject(s, addr, nil, InvalidSateObjectVersion)
 	if prev == nil {
 		s.journal.append(createObjectChange{account: &addr})
 	} else {
@@ -859,10 +885,12 @@ func (s *StateDB) CopyDoPrefetch() *StateDB {
 // If doPrefetch is true, it tries to reuse the prefetcher, the copied StateDB will do active trie prefetch.
 // otherwise, just do inactive copy trie prefetcher.
 func (s *StateDB) copyInternal(doPrefetch bool) *StateDB {
+	db := s.db.Copy()
+	tr := db.CopyTrie(s.trie)
 	// Copy all the basic fields, initialize the memory ones
 	state := &StateDB{
-		db:   s.db,
-		trie: s.db.CopyTrie(s.trie),
+		db:   db,
+		trie: tr,
 		// noTrie:s.noTrie,
 		// expectedRoot:         s.expectedRoot,
 		// stateRoot:            s.stateRoot,
@@ -1003,6 +1031,7 @@ func (s *StateDB) GetRefund() uint64 {
 func (s *StateDB) WaitPipeVerification() error {
 	// Need to wait for the parent trie to commit
 	if s.snap != nil {
+		panic("snapshot is not nil")
 		if valid := s.snap.WaitAndGetVerifyRes(); !valid {
 			return errors.New("verification on parent snap failed")
 		}
@@ -1108,6 +1137,7 @@ func (s *StateDB) PopulateSnapAccountAndStorage() {
 	for addr := range s.stateObjectsPending {
 		if obj := s.stateObjects[addr]; !obj.deleted {
 			if s.snap != nil {
+				panic("snapshot is not nil")
 				s.populateSnapStorage(obj)
 				s.accounts[obj.addrHash] = types.SlimAccountRLP(obj.data)
 			}
@@ -1210,6 +1240,8 @@ func (s *StateDB) StateIntermediateRoot() common.Hash {
 		}
 	}
 	if s.trie == nil {
+		// TODO:: debug code, will be deleted in the future.
+		panic("StateIntermediateRoot get trie is nil")
 		tr, err := s.db.OpenTrie(s.originalRoot)
 		if err != nil {
 			panic(fmt.Sprintf("failed to open trie tree %s", s.originalRoot))
@@ -1369,6 +1401,7 @@ func (s *StateDB) deleteStorage(addr common.Address, addrHash common.Hash, root
 	// generated, or it's internally corrupted. Fallback to the slow
 	// one just in case.
 	if s.snap != nil {
+		panic("snapshot is not nil")
 		aborted, size, slots, nodes, err = s.fastDeleteStorage(addrHash, root)
 	}
 	if s.snap == nil || err != nil {
@@ -1422,7 +1455,8 @@ func (s *StateDB) handleDestruction(nodes *trienode.MergedNodeSet) (map[common.A
 	// considerable time and storage deletion isn't supported in hash mode, thus
 	// preemptively avoiding unnecessary expenses.
 	incomplete := make(map[common.Address]struct{})
-	if s.db.TrieDB().Scheme() == rawdb.HashScheme {
+	// Only pbss need handler incomplete destruction storage trie
+	if s.db.TrieDB().Scheme() != rawdb.PathScheme {
 		return incomplete, nil
 	}
 	for addr, prev := range s.stateObjectsDestruct {
@@ -1498,6 +1532,7 @@ func (s *StateDB) Commit(block uint64, failPostCommitFunc func(), postCommitFunc
 	)
 
 	if s.snap != nil {
+		panic("snapshot is not nil")
 		diffLayer = &types.DiffLayer{}
 	}
 	if s.pipeCommit {
@@ -1613,18 +1648,33 @@ func (s *StateDB) Commit(block uint64, failPostCommitFunc func(), postCommitFunc
 					origin = types.EmptyRootHash
 				}
 
-				if root != origin {
+				if s.db.Scheme() == rawdb.VersionScheme {
+					// flush and release will occur regardless of whether the root changes
 					start := time.Now()
-					set := triestate.New(s.accountsOrigin, s.storagesOrigin, incomplete)
-					if err := s.db.TrieDB().Update(root, origin, block, nodes, set); err != nil {
+					if err := s.db.Flush(); err != nil {
+						return err
+					}
+					if err := s.db.Release(); err != nil {
 						return err
 					}
 					s.originalRoot = root
 					if metrics.EnabledExpensive {
 						s.TrieDBCommits += time.Since(start)
 					}
-					if s.onCommit != nil {
-						s.onCommit(set)
+				} else {
+					if root != origin {
+						start := time.Now()
+						set := triestate.New(s.accountsOrigin, s.storagesOrigin, incomplete)
+						if err := s.db.TrieDB().Update(root, origin, block, nodes, set); err != nil {
+							return err
+						}
+						s.originalRoot = root
+						if metrics.EnabledExpensive {
+							s.TrieDBCommits += time.Since(start)
+						}
+						if s.onCommit != nil {
+							s.onCommit(set)
+						}
 					}
 				}
 			}
@@ -1663,8 +1713,21 @@ func (s *StateDB) Commit(block uint64, failPostCommitFunc func(), postCommitFunc
 					// Write any contract code associated with the state object
 					if obj.code != nil && obj.dirtyCode {
 						rawdb.WriteCode(codeWriter, common.BytesToHash(obj.CodeHash()), obj.code)
+						switch d := s.db.(type) {
+						case *cachingVersaDB:
+							if d.debug != nil {
+								d.debug.OnUpdateCode(obj.address, common.BytesToHash(obj.CodeHash()))
+							}
+						case *cachingDB:
+							if d.debug != nil {
+								d.debug.OnUpdateCode(obj.address, common.BytesToHash(obj.CodeHash()))
+							}
+						default:
+							panic("caching db type error")
+						}
 						obj.dirtyCode = false
 						if s.snap != nil {
+							panic("snapshot is not nil")
 							diffLayer.Codes = append(diffLayer.Codes, types.DiffCode{
 								Hash: common.BytesToHash(obj.CodeHash()),
 								Code: obj.code,
@@ -1690,6 +1753,7 @@ func (s *StateDB) Commit(block uint64, failPostCommitFunc func(), postCommitFunc
 		func() error {
 			// If snapshotting is enabled, update the snapshot tree with this new version
 			if s.snap != nil {
+				panic("snapshot is not nil")
 				if metrics.EnabledExpensive {
 					defer func(start time.Time) { s.SnapshotCommits += time.Since(start) }(time.Now())
 				}

core/state/statedb_debug_diff.go

@@ -0,0 +1,207 @@
+package state
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+var (
+	VersionState = "version"
+	HashState    = "hash"
+)
+
+type DebugStateDiff struct {
+	DiffUpdateAccount map[string][]*VersaAccountInfo
+	DiffDeleteAccount map[string][]common.Address
+
+	DiffUpdateStorage map[string][]*VersaStorageInfo
+	DiffDeleteStorage map[string][]*VersaStorageInfo
+
+	DiffCalcHash map[string]map[common.Address]common.Hash
+	OwnerMap     map[common.Address]common.Hash
+	DiffErrs     map[string][]string
+}
+
+func (df *DebugStateDiff) diffUpdateAccount(vs []*VersaAccountInfo, hs []*VersaAccountInfo) {
+	count := len(vs)
+	if count > len(hs) {
+		count = len(hs)
+	}
+	idx := 0
+	for ; idx < count; idx++ {
+		if vs[idx].Address.Cmp(hs[idx].Address) != 0 {
+			break
+		}
+		if vs[idx].Account.Nonce != hs[idx].Account.Nonce {
+			break
+		}
+		if vs[idx].Account.Balance.Cmp(hs[idx].Account.Balance) != 0 {
+			break
+		}
+		if vs[idx].Account.Root.Cmp(hs[idx].Account.Root) != 0 {
+			break
+		}
+		if common.BytesToHash(vs[idx].Account.CodeHash).Cmp(common.BytesToHash(hs[idx].Account.CodeHash)) != 0 {
+			break
+		}
+	}
+	if idx < len(vs) {
+		df.DiffUpdateAccount[VersionState] = vs[idx:]
+	}
+	if idx < len(hs) {
+		df.DiffUpdateAccount[HashState] = hs[idx:]
+	}
+	return
+}
+
+func (df *DebugStateDiff) diffDeleteAccount(vs []common.Address, hs []common.Address) {
+	count := len(vs)
+	if count > len(hs) {
+		count = len(hs)
+	}
+	idx := 0
+	for ; idx < count; idx++ {
+		if vs[idx].Cmp(hs[idx]) != 0 {
+			break
+		}
+	}
+	if idx < len(vs) {
+		df.DiffDeleteAccount[VersionState] = vs[idx:]
+	}
+	if idx < len(hs) {
+		df.DiffDeleteAccount[HashState] = hs[idx:]
+	}
+	return
+}
+
+func (df *DebugStateDiff) diffUpdateStorage(vs []*VersaStorageInfo, hs []*VersaStorageInfo) {
+	count := len(vs)
+	if count > len(hs) {
+		count = len(hs)
+	}
+	idx := 0
+	for ; idx < count; idx++ {
+		if vs[idx].Address.Cmp(hs[idx].Address) != 0 {
+			break
+		}
+		if vs[idx].Key != hs[idx].Key {
+			break
+		}
+		if vs[idx].Val != hs[idx].Val {
+			break
+		}
+	}
+	if idx < len(vs) {
+		df.DiffUpdateStorage[VersionState] = vs[idx:]
+	}
+	if idx < len(hs) {
+		df.DiffUpdateStorage[HashState] = hs[idx:]
+	}
+	return
+}
+
+func (df *DebugStateDiff) diffDeleteStorage(vs []*VersaStorageInfo, hs []*VersaStorageInfo) {
+	count := len(vs)
+	if count > len(hs) {
+		count = len(hs)
+	}
+	idx := 0
+	for ; idx < count; idx++ {
+		if vs[idx].Address.Cmp(hs[idx].Address) != 0 {
+			break
+		}
+		if vs[idx].Key != hs[idx].Key {
+			break
+		}
+	}
+	if idx < len(vs) {
+		df.DiffDeleteStorage[VersionState] = vs[idx:]
+	}
+	if idx < len(hs) {
+		df.DiffDeleteStorage[HashState] = hs[idx:]
+	}
+	return
+}
+
+func (df *DebugStateDiff) diffCalcHash(vs map[common.Address]common.Hash, hs map[common.Address]common.Hash) {
+	record := make(map[common.Address]struct{})
+	for address, vch := range vs {
+		record[address] = struct{}{}
+		hch, ok := hs[address]
+		if !ok {
+			df.DiffCalcHash[VersionState][address] = vch
+		}
+		if vch.Cmp(hch) != 0 {
+			df.DiffCalcHash[VersionState][address] = vch
+			df.DiffCalcHash[HashState][address] = hch
+		}
+	}
+
+	for address := range record {
+		delete(vs, address)
+		delete(hs, address)
+	}
+
+	for address, hash := range vs {
+		df.DiffCalcHash[VersionState][address] = hash
+	}
+
+	for address, hash := range hs {
+		df.DiffCalcHash[HashState][address] = hash
+	}
+}
+
+func GenerateDebugStateDiff(vs *DebugVersionState, hs *DebugHashState) string {
+	diff := &DebugStateDiff{
+		DiffUpdateAccount: make(map[string][]*VersaAccountInfo),
+		DiffDeleteAccount: make(map[string][]common.Address),
+
+		DiffUpdateStorage: make(map[string][]*VersaStorageInfo),
+		DiffDeleteStorage: make(map[string][]*VersaStorageInfo),
+
+		DiffCalcHash: make(map[string]map[common.Address]common.Hash),
+		OwnerMap:     make(map[common.Address]common.Hash),
+		DiffErrs:     make(map[string][]string),
+	}
+	diff.DiffUpdateAccount[VersionState] = make([]*VersaAccountInfo, 0)
+	diff.DiffUpdateAccount[HashState] = make([]*VersaAccountInfo, 0)
+	diff.DiffDeleteAccount[VersionState] = make([]common.Address, 0)
+	diff.DiffDeleteAccount[HashState] = make([]common.Address, 0)
+
+	diff.DiffUpdateStorage[VersionState] = make([]*VersaStorageInfo, 0)
+	diff.DiffUpdateStorage[HashState] = make([]*VersaStorageInfo, 0)
+	diff.DiffDeleteStorage[VersionState] = make([]*VersaStorageInfo, 0)
+	diff.DiffDeleteStorage[HashState] = make([]*VersaStorageInfo, 0)
+
+	diff.DiffCalcHash[VersionState] = make(map[common.Address]common.Hash)
+	diff.DiffCalcHash[HashState] = make(map[common.Address]common.Hash)
+
+	diff.DiffErrs[VersionState] = make([]string, 0)
+	diff.DiffErrs[HashState] = make([]string, 0)
+
+	diff.diffUpdateAccount(vs.UpdateAccounts, hs.UpdateAccounts)
+	diff.diffDeleteAccount(vs.DeleteAccounts, hs.DeleteAccounts)
+	diff.diffUpdateStorage(vs.UpdateStorage, hs.UpdateStorage)
+	diff.diffDeleteStorage(vs.DeleteStorage, hs.DeleteStorage)
+	diff.diffCalcHash(vs.CalcHash, hs.CalcHash)
+
+	for address, _ := range diff.DiffCalcHash[HashState] {
+		diff.OwnerMap[address] = hs.StorageAddr2Owner[address]
+	}
+	for address, _ := range diff.DiffCalcHash[VersionState] {
+		diff.OwnerMap[address] = vs.StorageAddr2Owner[address]
+	}
+
+	if len(vs.Errs) != 0 || len(hs.Errs) != 0 {
+		diff.DiffErrs[VersionState] = vs.Errs
+		diff.DiffErrs[HashState] = hs.Errs
+	}
+
+	data, err := json.Marshal(diff)
+	if err != nil {
+		panic(fmt.Sprintf("failed to json encode debug info, err: %s", err.Error()))
+	}
+	return string(data)
+}

core/state/statedb_debug_hash.go

@@ -0,0 +1,216 @@
+package state
+
+import (
+	"encoding/json"
+	"fmt"
+	"sort"
+	"strconv"
+	"sync"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethdb"
+)
+
+type DebugHashState struct {
+	disk ethdb.KeyValueStore
+	lock sync.Mutex
+
+	Version     int64
+	AccessTrees map[common.Address][]common.Hash
+	CommitTrees map[common.Address][]common.Hash
+	CalcHash    map[common.Address]common.Hash
+
+	GetAccounts    []*VersaAccountInfo
+	UpdateAccounts []*VersaAccountInfo
+	DeleteAccounts []common.Address
+
+	GetStorage        []*VersaStorageInfo
+	UpdateStorage     []*VersaStorageInfo
+	DeleteStorage     []*VersaStorageInfo
+	StorageAddr2Owner map[common.Address]common.Hash
+
+	GetCode    map[common.Address][]common.Hash
+	UpdateCode map[common.Address][]common.Hash
+
+	Errs []string
+}
+
+func NewDebugHashState(disk ethdb.KeyValueStore) *DebugHashState {
+	return &DebugHashState{
+		disk:              disk,
+		AccessTrees:       make(map[common.Address][]common.Hash),
+		CommitTrees:       make(map[common.Address][]common.Hash),
+		CalcHash:          make(map[common.Address]common.Hash),
+		GetAccounts:       make([]*VersaAccountInfo, 0),
+		UpdateAccounts:    make([]*VersaAccountInfo, 0),
+		DeleteAccounts:    make([]common.Address, 0),
+		GetStorage:        make([]*VersaStorageInfo, 0),
+		UpdateStorage:     make([]*VersaStorageInfo, 0),
+		DeleteStorage:     make([]*VersaStorageInfo, 0),
+		StorageAddr2Owner: make(map[common.Address]common.Hash),
+		GetCode:           make(map[common.Address][]common.Hash),
+		UpdateCode:        make(map[common.Address][]common.Hash),
+		Errs:              make([]string, 0),
+	}
+}
+
+func (hs *DebugHashState) OnOpenTree(root common.Hash, owner common.Hash, address common.Address) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+
+	if _, ok := hs.AccessTrees[address]; !ok {
+		hs.AccessTrees[address] = make([]common.Hash, 0)
+	}
+	hs.AccessTrees[address] = append(hs.AccessTrees[address], root)
+	hs.StorageAddr2Owner[address] = owner
+}
+
+func (hs *DebugHashState) OnGetAccount(addr common.Address, acc *types.StateAccount) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	hs.GetAccounts = append(hs.GetAccounts, &VersaAccountInfo{
+		Address: addr,
+		Account: acc,
+	})
+}
+
+func (hs *DebugHashState) OnUpdateAccount(addr common.Address, acc *types.StateAccount) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	hs.UpdateAccounts = append(hs.UpdateAccounts, &VersaAccountInfo{
+		Address: addr,
+		Account: acc,
+	})
+}
+
+func (hs *DebugHashState) OnDeleteAccount(address common.Address) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	hs.DeleteAccounts = append(hs.DeleteAccounts, address)
+}
+
+func (hs *DebugHashState) OnGetStorage(address common.Address, key []byte, val []byte) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+
+	hs.GetStorage = append(hs.GetStorage, &VersaStorageInfo{
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+		Val:     common.Bytes2Hex(val),
+	})
+}
+
+func (hs *DebugHashState) OnUpdateStorage(address common.Address, key []byte, val []byte) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+
+	hs.UpdateStorage = append(hs.UpdateStorage, &VersaStorageInfo{
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+		Val:     common.Bytes2Hex(val),
+	})
+}
+
+func (hs *DebugHashState) OnDeleteStorage(address common.Address, key []byte) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+
+	hs.DeleteStorage = append(hs.DeleteStorage, &VersaStorageInfo{
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+	})
+}
+
+func (hs *DebugHashState) OnGetCode(addr common.Address, codeHash common.Hash) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	if _, ok := hs.GetCode[addr]; !ok {
+		hs.GetCode[addr] = make([]common.Hash, 0)
+	}
+	hs.GetCode[addr] = append(hs.GetCode[addr], codeHash)
+}
+
+func (hs *DebugHashState) OnUpdateCode(addr common.Address, codeHash common.Hash) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	if _, ok := hs.UpdateCode[addr]; !ok {
+		hs.UpdateCode[addr] = make([]common.Hash, 0)
+	}
+	hs.UpdateCode[addr] = append(hs.UpdateCode[addr], codeHash)
+}
+
+func (hs *DebugHashState) OnCalcHash(addr common.Address, root common.Hash) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	hs.CalcHash[addr] = root
+}
+
+func (hs *DebugHashState) OnCommitTree(addr common.Address, root common.Hash) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	if _, ok := hs.CommitTrees[addr]; !ok {
+		hs.CommitTrees[addr] = make([]common.Hash, 0)
+	}
+	hs.CommitTrees[addr] = append(hs.CommitTrees[addr], root)
+}
+
+func (hs *DebugHashState) OnError(err error) {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+	hs.Errs = append(hs.Errs, err.Error())
+}
+
+func (hs *DebugHashState) flush() {
+	hs.lock.Lock()
+	defer hs.lock.Unlock()
+
+	hs.sortItems()
+	data, err := json.Marshal(hs)
+	if err != nil {
+		panic(fmt.Sprintf("failed to json encode debug info, err: %s", err.Error()))
+	}
+
+	err = hs.disk.Put(DebugHashStateKey(hs.Version), data)
+	if err != nil {
+		panic(fmt.Sprintf("failed to put debug version state into disk, err: %s", err.Error()))
+	}
+}
+
+func (hs *DebugHashState) sortItems() {
+	sort.Slice(hs.GetAccounts, func(i, j int) bool {
+		return hs.GetAccounts[i].Address.Cmp(hs.GetAccounts[j].Address) < 0
+	})
+	sort.Slice(hs.UpdateAccounts, func(i, j int) bool {
+		return hs.UpdateAccounts[i].Address.Cmp(hs.UpdateAccounts[j].Address) < 0
+	})
+	sort.Slice(hs.DeleteAccounts, func(i, j int) bool {
+		return hs.DeleteAccounts[i].Cmp(hs.DeleteAccounts[j]) < 0
+	})
+
+	sort.Slice(hs.GetStorage, func(i, j int) bool {
+		if hs.GetStorage[i].Address.Cmp(hs.GetStorage[j].Address) == 0 {
+			return hs.GetStorage[i].Key < hs.GetStorage[j].Key
+		}
+		return hs.GetStorage[i].Address.Cmp(hs.GetStorage[j].Address) < 0
+	})
+
+	sort.Slice(hs.UpdateStorage, func(i, j int) bool {
+		if hs.UpdateStorage[i].Address.Cmp(hs.UpdateStorage[j].Address) == 0 {
+			return hs.UpdateStorage[i].Key < hs.UpdateStorage[j].Key
+		}
+		return hs.UpdateStorage[i].Address.Cmp(hs.UpdateStorage[j].Address) < 0
+	})
+
+	sort.Slice(hs.DeleteStorage, func(i, j int) bool {
+		if hs.DeleteStorage[i].Address.Cmp(hs.DeleteStorage[j].Address) == 0 {
+			return hs.DeleteStorage[i].Key < hs.DeleteStorage[j].Key
+		}
+		return hs.DeleteStorage[i].Address.Cmp(hs.DeleteStorage[j].Address) < 0
+	})
+}
+
+func DebugHashStateKey(version int64) []byte {
+	key := "debug_hash_prefix" + strconv.FormatInt(version, 10)
+	return []byte(key)
+}

core/state/statedb_debug_version.go

@@ -0,0 +1,290 @@
+package state
+
+import (
+	"encoding/json"
+	"fmt"
+	"sort"
+	"strconv"
+	"sync"
+
+	versa "github.com/bnb-chain/versioned-state-database"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+var (
+	DiffVersionCount = 0
+	DiskVersionCount = 0
+)
+
+type VersaAccountInfo struct {
+	Address common.Address
+	Account *types.StateAccount
+}
+
+type VersaStorageInfo struct {
+	Handler versa.TreeHandler
+	Address common.Address
+	Key     string
+	Val     string
+}
+
+type DebugVersionState struct {
+	disk      ethdb.KeyValueStore
+	versionDB versa.Database
+	lock      sync.Mutex
+
+	Version     int64
+	PreState    *versa.StateInfo
+	PostState   *versa.StateInfo
+	AccessTrees map[common.Address][]*versa.TreeInfo
+	CommitTrees map[common.Address][]*versa.TreeInfo
+	CalcHash    map[common.Address]common.Hash
+
+	GetAccounts    []*VersaAccountInfo
+	UpdateAccounts []*VersaAccountInfo
+	DeleteAccounts []common.Address
+
+	GetStorage        []*VersaStorageInfo
+	UpdateStorage     []*VersaStorageInfo
+	DeleteStorage     []*VersaStorageInfo
+	StorageAddr2Owner map[common.Address]common.Hash
+
+	GetCode    map[common.Address][]common.Hash
+	UpdateCode map[common.Address][]common.Hash
+
+	Errs []string
+}
+
+func NewDebugVersionState(disk ethdb.KeyValueStore, versionDB versa.Database) *DebugVersionState {
+	return &DebugVersionState{
+		disk:              disk,
+		versionDB:         versionDB,
+		AccessTrees:       make(map[common.Address][]*versa.TreeInfo, 0),
+		CommitTrees:       make(map[common.Address][]*versa.TreeInfo, 0),
+		CalcHash:          make(map[common.Address]common.Hash),
+		GetAccounts:       make([]*VersaAccountInfo, 0),
+		UpdateAccounts:    make([]*VersaAccountInfo, 0),
+		DeleteAccounts:    make([]common.Address, 0),
+		GetStorage:        make([]*VersaStorageInfo, 0),
+		UpdateStorage:     make([]*VersaStorageInfo, 0),
+		DeleteStorage:     make([]*VersaStorageInfo, 0),
+		StorageAddr2Owner: make(map[common.Address]common.Hash),
+		GetCode:           make(map[common.Address][]common.Hash, 0),
+		UpdateCode:        make(map[common.Address][]common.Hash, 0),
+		Errs:              make([]string, 0),
+	}
+}
+func (ds *DebugVersionState) SetVersion(version int64) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.Version = version
+}
+
+func (ds *DebugVersionState) OnOpenState(handler versa.StateHandler) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	stateInfo, err := ds.versionDB.GetStateInfo(handler)
+	if err != nil {
+		panic(fmt.Sprintf("failed to get state info on open state, err: %s", err.Error()))
+	}
+	ds.PreState = stateInfo
+}
+
+func (ds *DebugVersionState) OnOpenTree(handler versa.TreeHandler, owner common.Hash, address common.Address) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	treeInfo, err := ds.versionDB.GetTreeInfo(handler)
+	if err != nil {
+		panic(fmt.Sprintf("failed to get tree info on open tree, err: %s", err.Error()))
+	}
+	if _, ok := ds.AccessTrees[address]; !ok {
+		ds.AccessTrees[address] = make([]*versa.TreeInfo, 0)
+	}
+	ds.AccessTrees[address] = append(ds.AccessTrees[address], treeInfo)
+	ds.StorageAddr2Owner[address] = owner
+}
+
+func (ds *DebugVersionState) OnGetAccount(addr common.Address, acc *types.StateAccount) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.GetAccounts = append(ds.GetAccounts, &VersaAccountInfo{
+		Address: addr,
+		Account: acc,
+	})
+}
+
+func (ds *DebugVersionState) OnUpdateAccount(addr common.Address, acc *types.StateAccount) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.UpdateAccounts = append(ds.UpdateAccounts, &VersaAccountInfo{
+		Address: addr,
+		Account: acc,
+	})
+}
+
+func (ds *DebugVersionState) OnDeleteAccount(address common.Address) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.DeleteAccounts = append(ds.DeleteAccounts, address)
+}
+
+func (ds *DebugVersionState) OnGetStorage(handler versa.TreeHandler, address common.Address, key []byte, val []byte) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	ds.GetStorage = append(ds.GetStorage, &VersaStorageInfo{
+		Handler: handler,
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+		Val:     common.Bytes2Hex(val),
+	})
+}
+
+func (ds *DebugVersionState) OnUpdateStorage(handler versa.TreeHandler, address common.Address, key []byte, val []byte) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	ds.UpdateStorage = append(ds.UpdateStorage, &VersaStorageInfo{
+		Handler: handler,
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+		Val:     common.Bytes2Hex(val),
+	})
+}
+
+func (ds *DebugVersionState) OnDeleteStorage(handler versa.TreeHandler, address common.Address, key []byte) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	ds.DeleteStorage = append(ds.DeleteStorage, &VersaStorageInfo{
+		Handler: handler,
+		Address: address,
+		Key:     common.Bytes2Hex(key),
+	})
+}
+
+func (ds *DebugVersionState) OnGetCode(addr common.Address, codeHash common.Hash) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	if _, ok := ds.GetCode[addr]; !ok {
+		ds.GetCode[addr] = make([]common.Hash, 0)
+	}
+	ds.GetCode[addr] = append(ds.GetCode[addr], codeHash)
+}
+
+func (ds *DebugVersionState) OnUpdateCode(addr common.Address, codeHash common.Hash) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	if _, ok := ds.UpdateCode[addr]; !ok {
+		ds.UpdateCode[addr] = make([]common.Hash, 0)
+	}
+	ds.UpdateCode[addr] = append(ds.UpdateCode[addr], codeHash)
+}
+
+func (ds *DebugVersionState) OnCalcHash(addr common.Address, root common.Hash) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.CalcHash[addr] = root
+}
+
+func (ds *DebugVersionState) OnCommitTree(addr common.Address, handler versa.TreeHandler) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	treeInfo, err := ds.versionDB.GetTreeInfo(handler)
+	if err != nil {
+		panic(fmt.Sprintf("failed to get tree info on commit tree, err: %s", err.Error()))
+	}
+	if _, ok := ds.CommitTrees[addr]; !ok {
+		ds.CommitTrees[addr] = make([]*versa.TreeInfo, 0)
+	}
+	ds.CommitTrees[addr] = append(ds.CommitTrees[addr], treeInfo)
+}
+
+func (ds *DebugVersionState) OnError(err error) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+	ds.Errs = append(ds.Errs, err.Error())
+}
+
+func (ds *DebugVersionState) OnCloseState(handler versa.StateHandler) {
+	ds.lock.Lock()
+	defer ds.lock.Unlock()
+
+	stateInfo, err := ds.versionDB.GetStateInfo(handler)
+	if err != nil {
+		panic(fmt.Sprintf("failed to get state info on close state, err: %s", err.Error()))
+	}
+	ds.PostState = stateInfo
+
+	oldDiskVersionCount := DiskVersionCount
+	if ds.PreState.Root.Cmp(ds.PostState.Root) != 0 {
+		DiffVersionCount++
+		if ds.PostState.IsDiskVersion {
+			DiskVersionCount++
+		}
+	}
+
+	if ds.Version%1000 == 0 || oldDiskVersionCount != DiskVersionCount {
+		log.Info("version state info", "current block", ds.Version, "diff version count", DiffVersionCount, "disk version count", DiskVersionCount)
+	}
+
+	ds.sortItems()
+
+	data, err := json.Marshal(ds)
+	if err != nil {
+		panic(fmt.Sprintf("failed to json encode debug info, err: %s", err.Error()))
+	}
+
+	err = ds.disk.Put(DebugVersionStateKey(ds.Version), data)
+	if err != nil {
+		panic(fmt.Sprintf("failed to put debug version state into disk, err: %s", err.Error()))
+	}
+
+	if len(ds.Errs) != 0 {
+		log.Info("version state occurs error", "debug info", string(data))
+		log.Crit("exit....")
+	}
+}
+
+func (ds *DebugVersionState) sortItems() {
+	sort.Slice(ds.GetAccounts, func(i, j int) bool {
+		return ds.GetAccounts[i].Address.Cmp(ds.GetAccounts[j].Address) < 0
+	})
+	sort.Slice(ds.UpdateAccounts, func(i, j int) bool {
+		return ds.UpdateAccounts[i].Address.Cmp(ds.UpdateAccounts[j].Address) < 0
+	})
+	sort.Slice(ds.DeleteAccounts, func(i, j int) bool {
+		return ds.DeleteAccounts[i].Cmp(ds.DeleteAccounts[j]) < 0
+	})
+
+	sort.Slice(ds.GetStorage, func(i, j int) bool {
+		if ds.GetStorage[i].Address.Cmp(ds.GetStorage[j].Address) == 0 {
+			return ds.GetStorage[i].Key < ds.GetStorage[j].Key
+		}
+		return ds.GetStorage[i].Address.Cmp(ds.GetStorage[j].Address) < 0
+	})
+
+	sort.Slice(ds.UpdateStorage, func(i, j int) bool {
+		if ds.UpdateStorage[i].Address.Cmp(ds.UpdateStorage[j].Address) == 0 {
+			return ds.UpdateStorage[i].Key < ds.UpdateStorage[j].Key
+		}
+		return ds.UpdateStorage[i].Address.Cmp(ds.UpdateStorage[j].Address) < 0
+	})
+
+	sort.Slice(ds.DeleteStorage, func(i, j int) bool {
+		if ds.DeleteStorage[i].Address.Cmp(ds.DeleteStorage[j].Address) == 0 {
+			return ds.DeleteStorage[i].Key < ds.DeleteStorage[j].Key
+		}
+		return ds.DeleteStorage[i].Address.Cmp(ds.DeleteStorage[j].Address) < 0
+	})
+}
+
+func DebugVersionStateKey(version int64) []byte {
+	key := "debug_version_prefix" + strconv.FormatInt(version, 10)
+	return []byte(key)
+}

core/state/trie_prefetcher.go

@@ -81,6 +81,7 @@ type triePrefetcher struct {
 
 // newTriePrefetcher
 func newTriePrefetcher(db Database, root, rootParent common.Hash, namespace string) *triePrefetcher {
+	panic("prefetcher not support")
 	prefix := triePrefetchMetricsPrefix + namespace
 	p := &triePrefetcher{
 		db:         db,

core/state_prefetcher.go

@@ -49,6 +49,7 @@ func NewStatePrefetcher(config *params.ChainConfig, bc *BlockChain, engine conse
 // the transaction messages using the statedb, but any changes are discarded. The
 // only goal is to pre-cache transaction signatures and state trie nodes.
 func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, cfg *vm.Config, interruptCh <-chan struct{}) {
+	panic("prefetcher not support")
 	var (
 		header = block.Header()
 		signer = types.MakeSigner(p.config, header.Number, header.Time)
@@ -101,6 +102,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 // the transaction messages using the statedb, but any changes are discarded. The
 // only goal is to pre-cache transaction signatures and snapshot clean state. Only used for mining stage
 func (p *statePrefetcher) PrefetchMining(txs TransactionsByPriceAndNonce, header *types.Header, gasLimit uint64, statedb *state.StateDB, cfg vm.Config, interruptCh <-chan struct{}, txCurr **types.Transaction) {
+	panic("prefetcher not support")
 	var signer = types.MakeSigner(p.config, header.Number, header.Time)
 
 	txCh := make(chan *types.Transaction, 2*prefetchThread)

core/types/block.go

@@ -673,7 +673,10 @@ type DiffAccountsInBlock struct {
 	Transactions []DiffAccountsInTx
 }
 
-var extraSeal = 65 // Fixed number of extra-data suffix bytes reserved for signer seal
+var (
+	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
+)
 
 // SealHash returns the hash of a block prior to it being sealed.
 func SealHash(header *Header, chainId *big.Int) (hash common.Hash) {
@@ -684,51 +687,48 @@ func SealHash(header *Header, chainId *big.Int) (hash common.Hash) {
 }
 
 func EncodeSigHeader(w io.Writer, header *Header, chainId *big.Int) {
-	var err error
-	if header.ParentBeaconRoot != nil && *header.ParentBeaconRoot == (common.Hash{}) {
-		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[:len(header.Extra)-extraSeal], // this will panic if extra is too short, should check before calling encodeSigHeader
-			header.MixDigest,
-			header.Nonce,
-			header.BaseFee,
-			header.WithdrawalsHash,
-			header.BlobGasUsed,
-			header.ExcessBlobGas,
-			header.ParentBeaconRoot,
-		})
-	} else {
-		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[:len(header.Extra)-extraSeal], // this will panic if extra is too short, should check before calling encodeSigHeader
-			header.MixDigest,
-			header.Nonce,
-		})
-	}
+	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[:len(header.Extra)-extraSeal], // this will panic if extra is too short, should check before calling encodeSigHeader
+		header.MixDigest,
+		header.Nonce,
+	})
+	if err != nil {
+		panic("can't encode: " + err.Error())
+	}
+}
+
+func EncodeSigHeaderWithoutVoteAttestation(w io.Writer, header *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())
 	}

core/types/state_account.go

@@ -18,6 +18,7 @@ package types
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -58,6 +59,11 @@ func (acct *StateAccount) Copy() *StateAccount {
 	}
 }
 
+func (acct *StateAccount) String() string {
+	return fmt.Sprintf("nonce: %d, balance: %d, root: %s, codeHash: %s",
+		acct.Nonce, acct.Balance, acct.Root.String(), common.Bytes2Hex(acct.CodeHash))
+}
+
 // SlimAccount is a modified version of an Account, where the root is replaced
 // with a byte slice. This format can be used to represent full-consensus format
 // or slim format which replaces the empty root and code hash as nil byte slice.

core/vote/vote_manager.go

@@ -33,8 +33,8 @@ type VoteManager struct {
 
 	chain *core.BlockChain
 
-	highestVerifiedBlockCh  chan core.HighestVerifiedBlockEvent
-	highestVerifiedBlockSub event.Subscription
+	chainHeadCh  chan core.ChainHeadEvent
+	chainHeadSub event.Subscription
 
 	// used for backup validators to sync votes from corresponding mining validator
 	syncVoteCh  chan core.NewVoteEvent
@@ -49,12 +49,12 @@ type VoteManager struct {
 
 func NewVoteManager(eth Backend, chain *core.BlockChain, pool *VotePool, journalPath, blsPasswordPath, blsWalletPath string, engine consensus.PoSA) (*VoteManager, error) {
 	voteManager := &VoteManager{
-		eth:                    eth,
-		chain:                  chain,
-		highestVerifiedBlockCh: make(chan core.HighestVerifiedBlockEvent, highestVerifiedBlockChanSize),
-		syncVoteCh:             make(chan core.NewVoteEvent, voteBufferForPut),
-		pool:                   pool,
-		engine:                 engine,
+		eth:         eth,
+		chain:       chain,
+		chainHeadCh: make(chan core.ChainHeadEvent, chainHeadChanSize),
+		syncVoteCh:  make(chan core.NewVoteEvent, voteBufferForPut),
+		pool:        pool,
+		engine:      engine,
 	}
 
 	// Create voteSigner.
@@ -74,7 +74,7 @@ func NewVoteManager(eth Backend, chain *core.BlockChain, pool *VotePool, journal
 	voteManager.journal = voteJournal
 
 	// Subscribe to chain head event.
-	voteManager.highestVerifiedBlockSub = voteManager.chain.SubscribeHighestVerifiedHeaderEvent(voteManager.highestVerifiedBlockCh)
+	voteManager.chainHeadSub = voteManager.chain.SubscribeChainHeadEvent(voteManager.chainHeadCh)
 	voteManager.syncVoteSub = voteManager.pool.SubscribeNewVoteEvent(voteManager.syncVoteCh)
 
 	go voteManager.loop()
@@ -84,7 +84,7 @@ func NewVoteManager(eth Backend, chain *core.BlockChain, pool *VotePool, journal
 
 func (voteManager *VoteManager) loop() {
 	log.Debug("vote manager routine loop started")
-	defer voteManager.highestVerifiedBlockSub.Unsubscribe()
+	defer voteManager.chainHeadSub.Unsubscribe()
 	defer voteManager.syncVoteSub.Unsubscribe()
 
 	events := voteManager.eth.EventMux().Subscribe(downloader.StartEvent{}, downloader.DoneEvent{}, downloader.FailedEvent{})
@@ -119,7 +119,7 @@ func (voteManager *VoteManager) loop() {
 				log.Debug("downloader is in DoneEvent mode, set the startVote flag to true")
 				startVote = true
 			}
-		case cHead := <-voteManager.highestVerifiedBlockCh:
+		case cHead := <-voteManager.chainHeadCh:
 			if !startVote {
 				log.Debug("startVote flag is false, continue")
 				continue
@@ -135,12 +135,12 @@ func (voteManager *VoteManager) loop() {
 				continue
 			}
 
-			if cHead.Header == nil {
-				log.Debug("cHead.Header is nil, continue")
+			if cHead.Block == nil {
+				log.Debug("cHead.Block is nil, continue")
 				continue
 			}
 
-			curHead := cHead.Header
+			curHead := cHead.Block.Header()
 			if p, ok := voteManager.engine.(*parlia.Parlia); ok {
 				nextBlockMinedTime := time.Unix(int64((curHead.Time + p.Period())), 0)
 				timeForBroadcast := 50 * time.Millisecond // enough to broadcast a vote
@@ -217,7 +217,7 @@ func (voteManager *VoteManager) loop() {
 		case <-voteManager.syncVoteSub.Err():
 			log.Debug("voteManager subscribed votes failed")
 			return
-		case <-voteManager.highestVerifiedBlockSub.Err():
+		case <-voteManager.chainHeadSub.Err():
 			log.Debug("voteManager subscribed chainHead failed")
 			return
 		}

core/vote/vote_pool.go

@@ -24,7 +24,7 @@ const (
 	lowerLimitOfVoteBlockNumber = 256
 	upperLimitOfVoteBlockNumber = 11 // refer to fetcher.maxUncleDist
 
-	highestVerifiedBlockChanSize = 10 // highestVerifiedBlockChanSize is the size of channel listening to HighestVerifiedBlockEvent.
+	chainHeadChanSize = 10 // chainHeadChanSize is the size of channel listening to ChainHeadEvent.
 )
 
 var (
@@ -57,8 +57,8 @@ type VotePool struct {
 	curVotesPq    *votesPriorityQueue
 	futureVotesPq *votesPriorityQueue
 
-	highestVerifiedBlockCh  chan core.HighestVerifiedBlockEvent
-	highestVerifiedBlockSub event.Subscription
+	chainHeadCh  chan core.ChainHeadEvent
+	chainHeadSub event.Subscription
 
 	votesCh chan *types.VoteEnvelope
 
@@ -69,19 +69,19 @@ type votesPriorityQueue []*types.VoteData
 
 func NewVotePool(chain *core.BlockChain, engine consensus.PoSA) *VotePool {
 	votePool := &VotePool{
-		chain:                  chain,
-		receivedVotes:          mapset.NewSet[common.Hash](),
-		curVotes:               make(map[common.Hash]*VoteBox),
-		futureVotes:            make(map[common.Hash]*VoteBox),
-		curVotesPq:             &votesPriorityQueue{},
-		futureVotesPq:          &votesPriorityQueue{},
-		highestVerifiedBlockCh: make(chan core.HighestVerifiedBlockEvent, highestVerifiedBlockChanSize),
-		votesCh:                make(chan *types.VoteEnvelope, voteBufferForPut),
-		engine:                 engine,
+		chain:         chain,
+		receivedVotes: mapset.NewSet[common.Hash](),
+		curVotes:      make(map[common.Hash]*VoteBox),
+		futureVotes:   make(map[common.Hash]*VoteBox),
+		curVotesPq:    &votesPriorityQueue{},
+		futureVotesPq: &votesPriorityQueue{},
+		chainHeadCh:   make(chan core.ChainHeadEvent, chainHeadChanSize),
+		votesCh:       make(chan *types.VoteEnvelope, voteBufferForPut),
+		engine:        engine,
 	}
 
 	// Subscribe events from blockchain and start the main event loop.
-	votePool.highestVerifiedBlockSub = votePool.chain.SubscribeHighestVerifiedHeaderEvent(votePool.highestVerifiedBlockCh)
+	votePool.chainHeadSub = votePool.chain.SubscribeChainHeadEvent(votePool.chainHeadCh)
 
 	go votePool.loop()
 	return votePool
@@ -89,18 +89,18 @@ func NewVotePool(chain *core.BlockChain, engine consensus.PoSA) *VotePool {
 
 // loop is the vote pool's main even loop, waiting for and reacting to outside blockchain events and votes channel event.
 func (pool *VotePool) loop() {
-	defer pool.highestVerifiedBlockSub.Unsubscribe()
+	defer pool.chainHeadSub.Unsubscribe()
 
 	for {
 		select {
 		// Handle ChainHeadEvent.
-		case ev := <-pool.highestVerifiedBlockCh:
-			if ev.Header != nil {
-				latestBlockNumber := ev.Header.Number.Uint64()
+		case ev := <-pool.chainHeadCh:
+			if ev.Block != nil {
+				latestBlockNumber := ev.Block.NumberU64()
 				pool.prune(latestBlockNumber)
-				pool.transferVotesFromFutureToCur(ev.Header)
+				pool.transferVotesFromFutureToCur(ev.Block.Header())
 			}
-		case <-pool.highestVerifiedBlockSub.Err():
+		case <-pool.chainHeadSub.Err():
 			return
 
 		// Handle votes channel and put the vote into vote pool.
@@ -135,7 +135,7 @@ func (pool *VotePool) putIntoVotePool(vote *types.VoteEnvelope) bool {
 	var votesPq *votesPriorityQueue
 	isFutureVote := false
 
-	voteBlock := pool.chain.GetVerifiedBlockByHash(targetHash)
+	voteBlock := pool.chain.GetHeaderByHash(targetHash)
 	if voteBlock == nil {
 		votes = pool.futureVotes
 		votesPq = pool.futureVotesPq
@@ -226,7 +226,7 @@ func (pool *VotePool) transferVotesFromFutureToCur(latestBlockHeader *types.Head
 	futurePqBuffer := make([]*types.VoteData, 0)
 	for futurePq.Len() > 0 && futurePq.Peek().TargetNumber <= latestBlockNumber {
 		blockHash := futurePq.Peek().TargetHash
-		header := pool.chain.GetVerifiedBlockByHash(blockHash)
+		header := pool.chain.GetHeaderByHash(blockHash)
 		if header == nil {
 			// Put into pq buffer used for later put again into futurePq
 			futurePqBuffer = append(futurePqBuffer, heap.Pop(futurePq).(*types.VoteData))

eth/backend.go

@@ -123,6 +123,18 @@ type Ethereum struct {
 // New creates a new Ethereum object (including the
 // initialisation of the common Ethereum object)
 func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
+	onlyFullSync := false
+	if config.StateScheme == rawdb.VersionScheme {
+		config.SnapshotCache = 0
+		onlyFullSync = true
+		config.SyncMode = downloader.FullSync
+	}
+
+	// TODO:: debug code
+	config.SnapshotCache = 0
+	onlyFullSync = true
+	config.SyncMode = downloader.FullSync
+
 	// Ensure configuration values are compatible and sane
 	if config.SyncMode == downloader.LightSync {
 		return nil, errors.New("can't run eth.Ethereum in light sync mode, light mode has been deprecated")
@@ -328,6 +340,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		DirectBroadcast:        config.DirectBroadcast,
 		DisablePeerTxBroadcast: config.DisablePeerTxBroadcast,
 		PeerSet:                peers,
+		OnlyFullSync:           onlyFullSync,
 	}); err != nil {
 		return nil, err
 	}

eth/handler.go

@@ -124,6 +124,7 @@ type handlerConfig struct {
 	DirectBroadcast        bool
 	DisablePeerTxBroadcast bool
 	PeerSet                *peerSet
+	OnlyFullSync           bool
 }
 
 type handler struct {
@@ -202,35 +203,37 @@ func newHandler(config *handlerConfig) (*handler, error) {
 		handlerStartCh:         make(chan struct{}),
 		stopCh:                 make(chan struct{}),
 	}
-	if config.Sync == downloader.FullSync {
-		// The database seems empty as the current block is the genesis. Yet the snap
-		// block is ahead, so snap sync was enabled for this node at a certain point.
-		// The scenarios where this can happen is
-		// * if the user manually (or via a bad block) rolled back a snap sync node
-		//   below the sync point.
-		// * the last snap sync is not finished while user specifies a full sync this
-		//   time. But we don't have any recent state for full sync.
-		// In these cases however it's safe to reenable snap sync.
-		fullBlock, snapBlock := h.chain.CurrentBlock(), h.chain.CurrentSnapBlock()
-		if fullBlock.Number.Uint64() == 0 && snapBlock.Number.Uint64() > 0 {
-			if rawdb.ReadAncientType(h.database) == rawdb.PruneFreezerType {
-				log.Crit("Fast Sync not finish, can't enable pruneancient mode")
+	if !config.OnlyFullSync {
+		if config.Sync == downloader.FullSync {
+			// The database seems empty as the current block is the genesis. Yet the snap
+			// block is ahead, so snap sync was enabled for this node at a certain point.
+			// The scenarios where this can happen is
+			// * if the user manually (or via a bad block) rolled back a snap sync node
+			//   below the sync point.
+			// * the last snap sync is not finished while user specifies a full sync this
+			//   time. But we don't have any recent state for full sync.
+			// In these cases however it's safe to reenable snap sync.
+			fullBlock, snapBlock := h.chain.CurrentBlock(), h.chain.CurrentSnapBlock()
+			if fullBlock.Number.Uint64() == 0 && snapBlock.Number.Uint64() > 0 {
+				if rawdb.ReadAncientType(h.database) == rawdb.PruneFreezerType {
+					log.Crit("Fast Sync not finish, can't enable pruneancient mode")
+				}
+				h.snapSync.Store(true)
+				log.Warn("Switch sync mode from full sync to snap sync", "reason", "snap sync incomplete")
+			} else if !h.chain.NoTries() && !h.chain.HasState(fullBlock.Root) {
+				h.snapSync.Store(true)
+				log.Warn("Switch sync mode from full sync to snap sync", "reason", "head state missing")
 			}
-			h.snapSync.Store(true)
-			log.Warn("Switch sync mode from full sync to snap sync", "reason", "snap sync incomplete")
-		} else if !h.chain.NoTries() && !h.chain.HasState(fullBlock.Root) {
-			h.snapSync.Store(true)
-			log.Warn("Switch sync mode from full sync to snap sync", "reason", "head state missing")
-		}
-	} else {
-		head := h.chain.CurrentBlock()
-		if head.Number.Uint64() > 0 && h.chain.HasState(head.Root) {
-			// Print warning log if database is not empty to run snap sync.
-			log.Warn("Switch sync mode from snap sync to full sync", "reason", "snap sync complete")
 		} else {
-			// If snap sync was requested and our database is empty, grant it
-			h.snapSync.Store(true)
-			log.Info("Enabled snap sync", "head", head.Number, "hash", head.Hash())
+			head := h.chain.CurrentBlock()
+			if head.Number.Uint64() > 0 && h.chain.HasState(head.Root) {
+				// Print warning log if database is not empty to run snap sync.
+				log.Warn("Switch sync mode from snap sync to full sync", "reason", "snap sync complete")
+			} else {
+				// If snap sync was requested and our database is empty, grant it
+				h.snapSync.Store(true)
+				log.Info("Enabled snap sync", "head", head.Number, "hash", head.Hash())
+			}
 		}
 	}
 	// If snap sync is requested but snapshots are disabled, fail loudly
@@ -729,7 +732,7 @@ func (h *handler) Start(maxPeers int, maxPeersPerIP int) {
 
 	// broadcast mined blocks
 	h.wg.Add(1)
-	h.minedBlockSub = h.eventMux.Subscribe(core.NewMinedBlockEvent{}, core.NewSealedBlockEvent{})
+	h.minedBlockSub = h.eventMux.Subscribe(core.NewMinedBlockEvent{})
 	go h.minedBroadcastLoop()
 
 	// start sync handlers
@@ -946,9 +949,8 @@ func (h *handler) minedBroadcastLoop() {
 			if obj == nil {
 				continue
 			}
-			if ev, ok := obj.Data.(core.NewSealedBlockEvent); ok {
-				h.BroadcastBlock(ev.Block, true) // Propagate block to peers
-			} else if ev, ok := obj.Data.(core.NewMinedBlockEvent); ok {
+			if ev, ok := obj.Data.(core.NewMinedBlockEvent); ok {
+				h.BroadcastBlock(ev.Block, true)  // First propagate block to peers
 				h.BroadcastBlock(ev.Block, false) // Only then announce to the rest
 			}
 		case <-h.stopCh:

eth/state_accessor.go

@@ -71,7 +71,7 @@ func (eth *Ethereum) hashState(ctx context.Context, block *types.Block, reexec u
 			// the internal junks created by tracing will be persisted into the disk.
 			// TODO(rjl493456442), clean cache is disabled to prevent memory leak,
 			// please re-enable it for better performance.
-			database = state.NewDatabaseWithConfig(eth.chainDb, triedb.HashDefaults)
+			database = state.NewDatabaseWithConfig(eth.chainDb, triedb.HashDefaults, false)
 			if statedb, err = state.New(block.Root(), database, nil); err == nil {
 				log.Info("Found disk backend for state trie", "root", block.Root(), "number", block.Number())
 				return statedb, noopReleaser, nil
@@ -92,7 +92,7 @@ func (eth *Ethereum) hashState(ctx context.Context, block *types.Block, reexec u
 		// TODO(rjl493456442), clean cache is disabled to prevent memory leak,
 		// please re-enable it for better performance.
 		tdb = triedb.NewDatabase(eth.chainDb, triedb.HashDefaults)
-		database = state.NewDatabaseWithNodeDB(eth.chainDb, tdb)
+		database = state.NewDatabaseWithNodeDB(eth.chainDb, tdb, false)
 
 		// If we didn't check the live database, do check state over ephemeral database,
 		// otherwise we would rewind past a persisted block (specific corner case is
@@ -221,6 +221,7 @@ func (eth *Ethereum) stateAtBlock(ctx context.Context, block *types.Block, reexe
 	if eth.blockchain.TrieDB().Scheme() == rawdb.HashScheme {
 		return eth.hashState(ctx, block, reexec, base, readOnly, preferDisk)
 	}
+	// path and version schema use the same interface
 	return eth.pathState(block)
 }
 

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/route53 v1.30.2
 	github.com/bnb-chain/fastssz v0.1.2
 	github.com/bnb-chain/ics23 v0.1.0
+	github.com/bnb-chain/versioned-state-database v0.0.0-00010101000000-000000000000
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2
 	github.com/cespare/cp v1.1.1
 	github.com/cloudflare/cloudflare-go v0.79.0
@@ -24,7 +25,7 @@ require (
 	github.com/deckarep/golang-set/v2 v2.5.0
 	github.com/dop251/goja v0.0.0-20230806174421-c933cf95e127
 	github.com/ethereum/c-kzg-4844 v0.4.0
-	github.com/fatih/color v1.14.1
+	github.com/fatih/color v1.16.0
 	github.com/fatih/structs v1.1.0
 	github.com/fjl/gencodec v0.0.0-20230517082657-f9840df7b83e
 	github.com/fjl/memsize v0.0.2
@@ -44,7 +45,7 @@ require (
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d
 	github.com/holiman/billy v0.0.0-20240216141850-2abb0c79d3c4
 	github.com/holiman/bloomfilter/v2 v2.0.3
-	github.com/holiman/uint256 v1.2.4
+	github.com/holiman/uint256 v1.3.0
 	github.com/huin/goupnp v1.3.0
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0
 	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c
@@ -67,7 +68,7 @@ require (
 	github.com/rs/cors v1.8.2
 	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/status-im/keycard-go v0.2.0
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	github.com/supranational/blst v0.3.11
 	github.com/syndtr/goleveldb v1.0.1
 	github.com/tendermint/go-amino v0.14.1
@@ -79,13 +80,13 @@ require (
 	github.com/wealdtech/go-eth2-wallet-encryptor-keystorev4 v1.1.3
 	github.com/willf/bitset v1.1.3
 	go.uber.org/automaxprocs v1.5.2
-	golang.org/x/crypto v0.21.0
+	golang.org/x/crypto v0.25.0
 	golang.org/x/exp v0.0.0-20240213143201-ec583247a57a
-	golang.org/x/sync v0.6.0
-	golang.org/x/sys v0.18.0
-	golang.org/x/text v0.14.0
+	golang.org/x/sync v0.7.0
+	golang.org/x/sys v0.22.0
+	golang.org/x/text v0.16.0
 	golang.org/x/time v0.5.0
-	golang.org/x/tools v0.18.0
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -111,7 +112,7 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bits-and-blooms/bitset v1.11.0 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chzyer/readline v1.5.1 // indirect
 	github.com/cockroachdb/errors v1.11.1 // indirect
 	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
@@ -159,7 +160,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.0.1 // indirect
 	github.com/gtank/merlin v0.1.1 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/go-retryablehttp v0.7.4 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.5 // indirect
 	github.com/herumi/bls-eth-go-binary v0.0.0-20210917013441-d37c07cfda4e // indirect
 	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 // indirect
@@ -251,6 +252,7 @@ require (
 	github.com/spf13/afero v1.10.0 // indirect
 	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect
 	github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e // indirect
+	github.com/tidwall/btree v1.7.0 // indirect
 	github.com/tidwall/gjson v1.10.2 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
@@ -271,10 +273,10 @@ require (
 	go.uber.org/mock v0.4.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	golang.org/x/mod v0.15.0 // indirect
-	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
 	golang.org/x/oauth2 v0.16.0 // indirect
-	golang.org/x/term v0.18.0 // indirect
+	golang.org/x/term v0.22.0 // indirect
 	google.golang.org/api v0.44.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20231016165738-49dd2c1f3d0b // indirect
@@ -295,6 +297,7 @@ require (
 )
 
 replace (
+	github.com/bnb-chain/versioned-state-database => ../versioned-state-database
 	github.com/cometbft/cometbft => github.com/bnb-chain/greenfield-cometbft v1.3.1
 	github.com/grpc-ecosystem/grpc-gateway/v2 => github.com/prysmaticlabs/grpc-gateway/v2 v2.3.1-0.20210702154020-550e1cd83ec1
 	github.com/syndtr/goleveldb v1.0.1 => github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7

go.sum

@@ -185,8 +185,9 @@ github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/logex v1.2.0/go.mod h1:9+9sk7u7pGNWYMkh0hdiL++6OeibzJccyQU4p4MedaY=
 github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
@@ -326,8 +327,8 @@ github.com/ethereum/c-kzg-4844 v0.4.0 h1:3MS1s4JtA868KpJxroZoepdV0ZKBp3u/O5HcZ7R
 github.com/ethereum/c-kzg-4844 v0.4.0/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
 github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fatih/color v1.14.1 h1:qfhVLaG5s+nCROl1zJsZRxFeYrHLqWroPOQ8BWiNb4w=
-github.com/fatih/color v1.14.1/go.mod h1:2oHN61fhTpgcxD3TSWCgKDiH1+x4OiDVVGH8WlgGZGg=
+github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
+github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
 github.com/ferranbt/fastssz v0.0.0-20210120143747-11b9eff30ea9/go.mod h1:DyEu2iuLBnb/T51BlsiO3yLYdJC6UbGMrIkqK1KmQxM=
@@ -580,14 +581,13 @@ github.com/hashicorp/go-bexpr v0.1.10/go.mod h1:oxlubA2vC/gFVfX1A6JGp7ls7uCDlfJn
 github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
 github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
-github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
-github.com/hashicorp/go-hclog v1.2.0 h1:La19f8d7WIlm4ogzNHB0JGqs5AUDAZ2UfCY4sJXcJdM=
-github.com/hashicorp/go-hclog v1.2.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
+github.com/hashicorp/go-hclog v1.6.3 h1:Qr2kF+eVWjTiYmU7Y31tYlP1h0q/X3Nl3tPGdaB11/k=
+github.com/hashicorp/go-hclog v1.6.3/go.mod h1:W4Qnvbt70Wk/zYJryRzDRU/4r0kIg0PVHBcfoyhpF5M=
 github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
-github.com/hashicorp/go-retryablehttp v0.7.4 h1:ZQgVdpTdAL7WpMIwLzCfbalOcSUdkDZnpUv3/+BxzFA=
-github.com/hashicorp/go-retryablehttp v0.7.4/go.mod h1:Jy/gPYAdjqffZ/yFGCFV2doI5wjtH1ewM9u8iYVjtX8=
+github.com/hashicorp/go-retryablehttp v0.7.7 h1:C8hUCYzor8PIfXHa4UrZkU4VvK8o9ISHxT2Q8+VepXU=
+github.com/hashicorp/go-retryablehttp v0.7.7/go.mod h1:pkQpWZeYWskR+D1tR2O5OcBFOxfA7DoAO6xtkuQnHTk=
 github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
 github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
 github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
@@ -614,8 +614,8 @@ github.com/holiman/billy v0.0.0-20240216141850-2abb0c79d3c4 h1:X4egAf/gcS1zATw6w
 github.com/holiman/billy v0.0.0-20240216141850-2abb0c79d3c4/go.mod h1:5GuXa7vkL8u9FkFuWdVvfR5ix8hRB7DbOAaYULamFpc=
 github.com/holiman/bloomfilter/v2 v2.0.3 h1:73e0e/V0tCydx14a0SCYS/EWCxgwLZ18CZcZKVu0fao=
 github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iURXE7ZOP9L9hSkA=
-github.com/holiman/uint256 v1.2.4 h1:jUc4Nk8fm9jZabQuqr2JzednajVmBpC+oiTiXZJEApU=
-github.com/holiman/uint256 v1.2.4/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E=
+github.com/holiman/uint256 v1.3.0 h1:4wdcm/tnd0xXdu7iS3ruNvxkWwrb4aeBQv19ayYn8F4=
+github.com/holiman/uint256 v1.3.0/go.mod h1:EOMSn4q6Nyt9P6efbI3bueV4e1b3dGlUCXeiRV4ng7E=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
 github.com/huin/goupnp v1.3.0 h1:UvLUlWDNpoUdYzb2TCn+MuTWtcjXKSza2n6CBdQ0xXc=
@@ -1121,8 +1121,9 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
-github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
@@ -1133,8 +1134,8 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/supranational/blst v0.3.11 h1:LyU6FolezeWAhvQk0k6O/d49jqgO52MSDDfYgbeoEm4=
 github.com/supranational/blst v0.3.11/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
@@ -1151,6 +1152,8 @@ github.com/tendermint/iavl v0.12.0 h1:xcaFAr+ycqCj7WN1RzL2EfcBioRDOHcU1oWcg83K02
 github.com/tendermint/iavl v0.12.0/go.mod h1:EoKMMv++tDOL5qKKVnoIqtVPshRrEPeJ0WsgDOLAauM=
 github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e h1:cR8/SYRgyQCt5cNCMniB/ZScMkhI9nk8U5C7SbISXjo=
 github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e/go.mod h1:Tu4lItkATkonrYuvtVjG0/rhy15qrNGNTjPdaphtZ/8=
+github.com/tidwall/btree v1.7.0 h1:L1fkJH/AuEh5zBnnBbmTwQ5Lt+bRJ5A8EWecslvo9iI=
+github.com/tidwall/btree v1.7.0/go.mod h1:twD9XRA5jj9VUQGELzDO4HPQTNJsoWWfYEL+EUQ2cKY=
 github.com/tidwall/gjson v1.10.2 h1:APbLGOM0rrEkd8WBw9C24nllro4ajFuJu0Sc9hRz8Bo=
 github.com/tidwall/gjson v1.10.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
 github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
@@ -1286,8 +1289,8 @@ golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
+golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
+golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -1326,8 +1329,8 @@ golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
-golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
+golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1379,8 +1382,8 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
-golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
+golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
+golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -1411,8 +1414,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -1503,13 +1506,13 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.18.0 h1:FcHjZXDMxI8mM3nwhX9HlKop4C0YQvCVCdwYl2wOtE8=
-golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
+golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
+golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1520,8 +1523,8 @@ golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1595,8 +1598,8 @@ golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.18.0 h1:k8NLag8AGHnn+PHbl7g43CtqZAwG60vZkLqgyZgIHgQ=
-golang.org/x/tools v0.18.0/go.mod h1:GL7B4CwcLLeo59yx/9UWWuNOW1n3VZ4f5axWfML7Lcg=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

miner/worker.go

@@ -665,7 +665,7 @@ func (w *worker) resultLoop() {
 			// Commit block and state to database.
 			task.state.SetExpectedStateRoot(block.Root())
 			start := time.Now()
-			status, err := w.chain.WriteBlockAndSetHead(block, receipts, logs, task.state, true, w.mux)
+			status, err := w.chain.WriteBlockAndSetHead(block, receipts, logs, task.state, true)
 			if status != core.CanonStatTy {
 				if err != nil {
 					log.Error("Failed writing block to chain", "err", err, "status", status)
@@ -1032,8 +1032,6 @@ func (w *worker) prepareWork(genParams *generateParams) (*environment, error) {
 		}
 		if w.chainConfig.Parlia == nil {
 			header.ParentBeaconRoot = genParams.beaconRoot
-		} else if w.chainConfig.IsBohr(header.Number, header.Time) {
-			header.ParentBeaconRoot = new(common.Hash)
 		}
 	}
 	// Could potentially happen if starting to mine in an odd state.

triedb/database.go

@@ -20,6 +20,7 @@ import (
 	"errors"
 	"strings"
 
+	versa "github.com/bnb-chain/versioned-state-database"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -30,6 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/triedb/database"
 	"github.com/ethereum/go-ethereum/triedb/hashdb"
 	"github.com/ethereum/go-ethereum/triedb/pathdb"
+	"github.com/ethereum/go-ethereum/triedb/versiondb"
 )
 
 // Config defines all necessary options for database.
@@ -37,7 +39,9 @@ type Config struct {
 	Preimages bool // Flag whether the preimage of node key is recorded
 	Cache     int
 	NoTries   bool
-	IsVerkle  bool           // Flag whether the db is holding a verkle tree
+	IsVerkle  bool // Flag whether the db is holding a verkle tree
+	IsVersion bool
+	VersionDB *versiondb.Config
 	HashDB    *hashdb.Config // Configs for hash-based scheme
 	PathDB    *pathdb.Config // Configs for experimental path-based scheme
 }
@@ -92,6 +96,16 @@ type Database struct {
 // NewDatabase initializes the trie database with default settings, note
 // the legacy hash-based scheme is used by default.
 func NewDatabase(diskdb ethdb.Database, config *Config) *Database {
+	if config != nil && config.IsVersion {
+		// TODO:: Wait for debugging to stabilize, and then consider initialization compatibility with other databases
+		db := &Database{
+			config:  config,
+			diskdb:  diskdb,
+			backend: versiondb.New(config.VersionDB),
+		}
+		return db
+	}
+
 	// Sanitize the config and use the default one if it's not specified.
 	var triediskdb ethdb.Database
 	if diskdb != nil && diskdb.StateStore() != nil {
@@ -409,3 +423,12 @@ func (db *Database) GetAllRooHash() [][]string {
 func (db *Database) IsVerkle() bool {
 	return db.config.IsVerkle
 }
+
+// VersaDB returns versioned database instance, it is useless for hashdb and pathdb
+func (db *Database) VersaDB() versa.Database {
+	vdb, ok := db.backend.(*versiondb.VersionDB)
+	if !ok {
+		log.Crit("only version db support")
+	}
+	return vdb.VersaDB()
+}

triedb/hashdb/database.go

@@ -139,6 +139,7 @@ func New(diskdb ethdb.Database, config *Config, resolver ChildResolver) *Databas
 	if config.CleanCacheSize > 0 {
 		cleans = fastcache.New(config.CleanCacheSize)
 	}
+	log.Info("success to init hash mode triedb")
 	return &Database{
 		diskdb:   diskdb,
 		resolver: resolver,

triedb/pathdb/database.go

@@ -226,6 +226,7 @@ func New(diskdb ethdb.Database, config *Config) *Database {
 			log.Crit("Failed to disable database", "err", err) // impossible to happen
 		}
 	}
+	log.Info("success to init path mode triedb")
 	return db
 }
 

triedb/versiondb/versadb.go

@@ -0,0 +1,76 @@
+package versiondb
+
+import (
+	versa "github.com/bnb-chain/versioned-state-database"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/trie/trienode"
+	"github.com/ethereum/go-ethereum/trie/triestate"
+)
+
+type Config struct {
+	Path           string
+	FlushInterval  int64
+	MaxStatesInMem int
+}
+
+type VersionDB struct {
+	db versa.Database
+}
+
+func New(config *Config) *VersionDB {
+	var (
+		cfg  *versa.VersaDBConfig
+		path = "./node/version_db" // TODO:: debug code
+	)
+
+	if config != nil {
+		path = config.Path
+		cfg = &versa.VersaDBConfig{
+			FlushInterval:  config.FlushInterval,
+			MaxStatesInMem: config.MaxStatesInMem,
+		}
+	}
+	db, err := versa.NewVersaDB(path, cfg)
+	if err != nil {
+		log.Crit("failed to new version db", "error", err)
+	}
+	v := &VersionDB{
+		db: db,
+	}
+	log.Info("success to init version mode triedb")
+	return v
+}
+
+func (v *VersionDB) Scheme() string {
+	return rawdb.VersionScheme
+}
+
+func (v *VersionDB) Initialized(genesisRoot common.Hash) bool {
+	return v.db.HasState(genesisRoot)
+}
+
+func (v *VersionDB) Size() (common.StorageSize, common.StorageSize, common.StorageSize) {
+	// TODO:: waiting versa db supported
+	return 0, 0, 0
+}
+
+func (v *VersionDB) Update(root common.Hash, parent common.Hash, block uint64, nodes *trienode.MergedNodeSet, states *triestate.Set) error {
+	// TODO:: debug code, will change to return error.
+	panic("version db not supported")
+}
+
+func (v *VersionDB) Commit(root common.Hash, report bool) error {
+	// TODO:: debug code, will change to return error.
+	panic("version db not supported")
+}
+
+func (v *VersionDB) Close() error {
+	return v.db.Close()
+}
+
+func (v *VersionDB) VersaDB() versa.Database {
+	return v.db
+}