Revert "cmd, core, eth, graphql, trie: no persisted clean trie cache …

…file (ethereum#27525)"

This reverts commit 2c0c010.

cmd/devp2p/internal/ethtest/suite_test.go

@@ -109,13 +109,15 @@ func setupGeth(stack *node.Node) error {
 	}
 
 	backend, err := eth.New(stack, &ethconfig.Config{
-		Genesis:        &chain.genesis,
-		NetworkId:      chain.genesis.Config.ChainID.Uint64(), // 19763
-		DatabaseCache:  10,
-		TrieCleanCache: 10,
-		TrieDirtyCache: 16,
-		TrieTimeout:    60 * time.Minute,
-		SnapshotCache:  10,
+		Genesis:                 &chain.genesis,
+		NetworkId:               chain.genesis.Config.ChainID.Uint64(), // 19763
+		DatabaseCache:           10,
+		TrieCleanCache:          10,
+		TrieCleanCacheJournal:   "",
+		TrieCleanCacheRejournal: 60 * time.Minute,
+		TrieDirtyCache:          16,
+		TrieTimeout:             60 * time.Minute,
+		SnapshotCache:           10,
 	})
 	if err != nil {
 		return err

cmd/geth/config.go

@@ -276,10 +276,6 @@ func deprecated(field string) bool {
 		return true
 	case "ethconfig.Config.EWASMInterpreter":
 		return true
-	case "ethconfig.Config.TrieCleanCacheJournal":
-		return true
-	case "ethconfig.Config.TrieCleanCacheRejournal":
-		return true
 	default:
 		return false
 	}

cmd/geth/snapshot.go

@@ -50,6 +50,7 @@ var (
 				ArgsUsage: "<root>",
 				Action:    pruneState,
 				Flags: flags.Merge([]cli.Flag{
+					utils.CacheTrieJournalFlag,
 					utils.BloomFilterSizeFlag,
 				}, utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
@@ -159,14 +160,15 @@ block is used.
 // Deprecation: this command should be deprecated once the hash-based
 // scheme is deprecated.
 func pruneState(ctx *cli.Context) error {
-	stack, _ := makeConfigNode(ctx)
+	stack, config := makeConfigNode(ctx)
 	defer stack.Close()
 
 	chaindb := utils.MakeChainDatabase(ctx, stack, false)
 	defer chaindb.Close()
 
 	prunerconfig := pruner.Config{
 		Datadir:   stack.ResolvePath(""),
+		Cachedir:  stack.ResolvePath(config.Eth.TrieCleanCacheJournal),
 		BloomSize: ctx.Uint64(utils.BloomFilterSizeFlag.Name),
 	}
 	pruner, err := pruner.NewPruner(chaindb, prunerconfig)

cmd/utils/flags.go

@@ -410,6 +410,18 @@ var (
 		Value:    15,
 		Category: flags.PerfCategory,
 	}
+	CacheTrieJournalFlag = &cli.StringFlag{
+		Name:     "cache.trie.journal",
+		Usage:    "Disk journal directory for trie cache to survive node restarts",
+		Value:    ethconfig.Defaults.TrieCleanCacheJournal,
+		Category: flags.PerfCategory,
+	}
+	CacheTrieRejournalFlag = &cli.DurationFlag{
+		Name:     "cache.trie.rejournal",
+		Usage:    "Time interval to regenerate the trie cache journal",
+		Value:    ethconfig.Defaults.TrieCleanCacheRejournal,
+		Category: flags.PerfCategory,
+	}
 	CacheGCFlag = &cli.IntFlag{
 		Name:     "cache.gc",
 		Usage:    "Percentage of cache memory allowance to use for trie pruning (default = 25% full mode, 0% archive mode)",
@@ -1698,6 +1710,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	if ctx.IsSet(CacheFlag.Name) || ctx.IsSet(CacheTrieFlag.Name) {
 		cfg.TrieCleanCache = ctx.Int(CacheFlag.Name) * ctx.Int(CacheTrieFlag.Name) / 100
 	}
+	if ctx.IsSet(CacheTrieJournalFlag.Name) {
+		cfg.TrieCleanCacheJournal = ctx.String(CacheTrieJournalFlag.Name)
+	}
+	if ctx.IsSet(CacheTrieRejournalFlag.Name) {
+		cfg.TrieCleanCacheRejournal = ctx.Duration(CacheTrieRejournalFlag.Name)
+	}
 	if ctx.IsSet(CacheFlag.Name) || ctx.IsSet(CacheGCFlag.Name) {
 		cfg.TrieDirtyCache = ctx.Int(CacheFlag.Name) * ctx.Int(CacheGCFlag.Name) / 100
 	}

cmd/utils/flags_legacy.go

@@ -33,8 +33,6 @@ var ShowDeprecated = &cli.Command{
 
 var DeprecatedFlags = []cli.Flag{
 	NoUSBFlag,
-	CacheTrieJournalFlag,
-	CacheTrieRejournalFlag,
 }
 
 var (
@@ -44,17 +42,6 @@ var (
 		Usage:    "Disables monitoring for and managing USB hardware wallets (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
-	// (Deprecated June 2023, shown in aliased flags section)
-	CacheTrieJournalFlag = &cli.StringFlag{
-		Name:     "cache.trie.journal",
-		Usage:    "Disk journal directory for trie cache to survive node restarts",
-		Category: flags.PerfCategory,
-	}
-	CacheTrieRejournalFlag = &cli.DurationFlag{
-		Name:     "cache.trie.rejournal",
-		Usage:    "Time interval to regenerate the trie cache journal",
-		Category: flags.PerfCategory,
-	}
 )
 
 // showDeprecated displays deprecated flags that will be soon removed from the codebase.

core/blockchain.go

@@ -130,6 +130,8 @@ const (
 // that's resident in a blockchain.
 type CacheConfig struct {
 	TrieCleanLimit      int           // Memory allowance (MB) to use for caching trie nodes in memory
+	TrieCleanJournal    string        // Disk journal for saving clean cache entries.
+	TrieCleanRejournal  time.Duration // Time interval to dump clean cache to disk periodically
 	TrieCleanNoPrefetch bool          // Whether to disable heuristic state prefetching for followup blocks
 	TrieDirtyLimit      int           // Memory limit (MB) at which to start flushing dirty trie nodes to disk
 	TrieDirtyDisabled   bool          // Whether to disable trie write caching and GC altogether (archive node)
@@ -236,6 +238,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
 	// Open trie database with provided config
 	triedb := trie.NewDatabaseWithConfig(db, &trie.Config{
 		Cache:     cacheConfig.TrieCleanLimit,
+		Journal:   cacheConfig.TrieCleanJournal,
 		Preimages: cacheConfig.Preimages,
 	})
 	// Setup the genesis block, commit the provided genesis specification
@@ -408,6 +411,18 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
 	bc.wg.Add(1)
 	go bc.updateFutureBlocks()
 
+	// If periodic cache journal is required, spin it up.
+	if bc.cacheConfig.TrieCleanRejournal > 0 {
+		if bc.cacheConfig.TrieCleanRejournal < time.Minute {
+			log.Warn("Sanitizing invalid trie cache journal time", "provided", bc.cacheConfig.TrieCleanRejournal, "updated", time.Minute)
+			bc.cacheConfig.TrieCleanRejournal = time.Minute
+		}
+		bc.wg.Add(1)
+		go func() {
+			defer bc.wg.Done()
+			bc.triedb.SaveCachePeriodically(bc.cacheConfig.TrieCleanJournal, bc.cacheConfig.TrieCleanRejournal, bc.quit)
+		}()
+	}
 	// Rewind the chain in case of an incompatible config upgrade.
 	if compat, ok := genesisErr.(*params.ConfigCompatError); ok {
 		log.Warn("Rewinding chain to upgrade configuration", "err", compat)
@@ -972,6 +987,11 @@ func (bc *BlockChain) Stop() {
 	if err := bc.stateCache.TrieDB().Close(); err != nil {
 		log.Error("Failed to close trie db", "err", err)
 	}
+	// Ensure all live cached entries be saved into disk, so that we can skip
+	// cache warmup when node restarts.
+	if bc.cacheConfig.TrieCleanJournal != "" {
+		bc.triedb.SaveCache(bc.cacheConfig.TrieCleanJournal)
+	}
 	log.Info("Blockchain stopped")
 }
 

core/state/pruner/pruner.go

@@ -57,6 +57,7 @@ const (
 // Config includes all the configurations for pruning.
 type Config struct {
 	Datadir   string // The directory of the state database
+	Cachedir  string // The directory of state clean cache
 	BloomSize uint64 // The Megabytes of memory allocated to bloom-filter
 }
 
@@ -240,7 +241,7 @@ func (p *Pruner) Prune(root common.Hash) error {
 		return err
 	}
 	if stateBloomRoot != (common.Hash{}) {
-		return RecoverPruning(p.config.Datadir, p.db)
+		return RecoverPruning(p.config.Datadir, p.db, p.config.Cachedir)
 	}
 	// If the target state root is not specified, use the HEAD-127 as the
 	// target. The reason for picking it is:
@@ -298,6 +299,12 @@ func (p *Pruner) Prune(root common.Hash) error {
 			log.Info("Selecting user-specified state as the pruning target", "root", root)
 		}
 	}
+	// Before start the pruning, delete the clean trie cache first.
+	// It's necessary otherwise in the next restart we will hit the
+	// deleted state root in the "clean cache" so that the incomplete
+	// state is picked for usage.
+	deleteCleanTrieCache(p.config.Cachedir)
+
 	// All the state roots of the middle layer should be forcibly pruned,
 	// otherwise the dangling state will be left.
 	middleRoots := make(map[common.Hash]struct{})
@@ -335,7 +342,7 @@ func (p *Pruner) Prune(root common.Hash) error {
 // pruning can be resumed. What's more if the bloom filter is constructed, the
 // pruning **has to be resumed**. Otherwise a lot of dangling nodes may be left
 // in the disk.
-func RecoverPruning(datadir string, db ethdb.Database) error {
+func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) error {
 	stateBloomPath, stateBloomRoot, err := findBloomFilter(datadir)
 	if err != nil {
 		return err
@@ -371,6 +378,12 @@ func RecoverPruning(datadir string, db ethdb.Database) error {
 	}
 	log.Info("Loaded state bloom filter", "path", stateBloomPath)
 
+	// Before start the pruning, delete the clean trie cache first.
+	// It's necessary otherwise in the next restart we will hit the
+	// deleted state root in the "clean cache" so that the incomplete
+	// state is picked for usage.
+	deleteCleanTrieCache(trieCachePath)
+
 	// All the state roots of the middle layers should be forcibly pruned,
 	// otherwise the dangling state will be left.
 	var (
@@ -484,3 +497,23 @@ func findBloomFilter(datadir string) (string, common.Hash, error) {
 	}
 	return stateBloomPath, stateBloomRoot, nil
 }
+
+const warningLog = `
+
+WARNING!
+
+The clean trie cache is not found. Please delete it by yourself after the 
+pruning. Remember don't start the Geth without deleting the clean trie cache
+otherwise the entire database may be damaged!
+
+Check the command description "geth snapshot prune-state --help" for more details.
+`
+
+func deleteCleanTrieCache(path string) {
+	if !common.FileExist(path) {
+		log.Warn(warningLog)
+		return
+	}
+	os.RemoveAll(path)
+	log.Info("Deleted trie clean cache", "path", path)
+}

eth/backend.go

@@ -132,7 +132,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	if err != nil {
 		return nil, err
 	}
-	if err := pruner.RecoverPruning(stack.ResolvePath(""), chainDb); err != nil {
+	if err := pruner.RecoverPruning(stack.ResolvePath(""), chainDb, stack.ResolvePath(config.TrieCleanCacheJournal)); err != nil {
 		log.Error("Failed to recover state", "error", err)
 	}
 	// Transfer mining-related config to the ethash config.
@@ -184,6 +184,8 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		}
 		cacheConfig = &core.CacheConfig{
 			TrieCleanLimit:      config.TrieCleanCache,
+			TrieCleanJournal:    stack.ResolvePath(config.TrieCleanCacheJournal),
+			TrieCleanRejournal:  config.TrieCleanCacheRejournal,
 			TrieCleanNoPrefetch: config.NoPrefetch,
 			TrieDirtyLimit:      config.TrieDirtyCache,
 			TrieDirtyDisabled:   config.NoPruning,

eth/ethconfig/config.go

@@ -57,23 +57,25 @@ var LightClientGPO = gasprice.Config{
 
 // Defaults contains default settings for use on the Ethereum main net.
 var Defaults = Config{
-	SyncMode:           downloader.SnapSync,
-	NetworkId:          1,
-	TxLookupLimit:      2350000,
-	LightPeers:         100,
-	UltraLightFraction: 75,
-	DatabaseCache:      512,
-	TrieCleanCache:     154,
-	TrieDirtyCache:     256,
-	TrieTimeout:        60 * time.Minute,
-	SnapshotCache:      102,
-	FilterLogCacheSize: 32,
-	Miner:              miner.DefaultConfig,
-	TxPool:             legacypool.DefaultConfig,
-	RPCGasCap:          50000000,
-	RPCEVMTimeout:      5 * time.Second,
-	GPO:                FullNodeGPO,
-	RPCTxFeeCap:        1, // 1 ether
+	SyncMode:                downloader.SnapSync,
+	NetworkId:               1,
+	TxLookupLimit:           2350000,
+	LightPeers:              100,
+	UltraLightFraction:      75,
+	DatabaseCache:           512,
+	TrieCleanCache:          154,
+	TrieCleanCacheJournal:   "triecache",
+	TrieCleanCacheRejournal: 60 * time.Minute,
+	TrieDirtyCache:          256,
+	TrieTimeout:             60 * time.Minute,
+	SnapshotCache:           102,
+	FilterLogCacheSize:      32,
+	Miner:                   miner.DefaultConfig,
+	TxPool:                  legacypool.DefaultConfig,
+	RPCGasCap:               50000000,
+	RPCEVMTimeout:           5 * time.Second,
+	GPO:                     FullNodeGPO,
+	RPCTxFeeCap:             1, // 1 ether
 }
 
 //go:generate go run github.com/fjl/gencodec -type Config -formats toml -out gen_config.go
@@ -122,11 +124,13 @@ type Config struct {
 	DatabaseCache      int
 	DatabaseFreezer    string
 
-	TrieCleanCache int
-	TrieDirtyCache int
-	TrieTimeout    time.Duration
-	SnapshotCache  int
-	Preimages      bool
+	TrieCleanCache          int
+	TrieCleanCacheJournal   string        `toml:",omitempty"` // Disk journal directory for trie cache to survive node restarts
+	TrieCleanCacheRejournal time.Duration `toml:",omitempty"` // Time interval to regenerate the journal for clean cache
+	TrieDirtyCache          int
+	TrieTimeout             time.Duration
+	SnapshotCache           int
+	Preimages               bool
 
 	// This is the number of blocks for which logs will be cached in the filter system.
 	FilterLogCacheSize int

graphql/graphql_test.go

@@ -438,12 +438,14 @@ func createNode(t *testing.T) *node.Node {
 
 func newGQLService(t *testing.T, stack *node.Node, shanghai bool, gspec *core.Genesis, genBlocks int, genfunc func(i int, gen *core.BlockGen)) (*handler, []*types.Block) {
 	ethConf := &ethconfig.Config{
-		Genesis:        gspec,
-		NetworkId:      1337,
-		TrieCleanCache: 5,
-		TrieDirtyCache: 5,
-		TrieTimeout:    60 * time.Minute,
-		SnapshotCache:  5,
+		Genesis:                 gspec,
+		NetworkId:               1337,
+		TrieCleanCache:          5,
+		TrieCleanCacheJournal:   "triecache",
+		TrieCleanCacheRejournal: 60 * time.Minute,
+		TrieDirtyCache:          5,
+		TrieTimeout:             60 * time.Minute,
+		SnapshotCache:           5,
 	}
 	ethBackend, err := eth.New(stack, ethConf)
 	if err != nil {

tests/fuzzers/snap/fuzz_handler.go

@@ -71,6 +71,7 @@ func getChain() *core.BlockChain {
 		TrieDirtyLimit:      0,
 		TrieTimeLimit:       5 * time.Minute,
 		TrieCleanNoPrefetch: true,
+		TrieCleanRejournal:  0,
 		SnapshotLimit:       100,
 		SnapshotWait:        true,
 	}