eth: formatting

* eth: make transaction propagation paths in the network deterministic

* eth: avoid potential division by 0

* eth: make tx propagation dependent on local node id too

* eth: fix review comments

README.md

@@ -36,7 +36,7 @@ To combine DPoS and PoA for consensus, BNB Smart Chain implement a novel consens
 2. Validators take turns to produce blocks in a PoA manner, similar to Ethereum's Clique consensus engine.
 3. Validator set are elected in and out based on a staking based governance on BNB Beacon Chain.
 4. The validator set change is relayed via a cross-chain communication mechanism.
-5. Parlia consensus engine will interact with a set of [system contracts](https://docs.bnbchain.org/bnb-smart-chain/staking/overview/#system-contracts) to achieve liveness slash, revenue distributing and validator set renewing func.
+5. Parlia consensus engine will interact with a set of [system contracts](https://docs.bnbchain.org/docs/learn/system-contract) to achieve liveness slash, revenue distributing and validator set renewing func.
 
  
 ### Light Client of BNB Beacon Chain
@@ -183,7 +183,7 @@ This tool is optional and if you leave it out you can always attach to an alread
 
 #### 7. More
 
-More details about [running a node](https://docs.bnbchain.org/bnb-smart-chain/developers/node_operators/full_node/) and [becoming a validator](https://docs.bnbchain.org/bnb-smart-chain/validator/create-val/)
+More details about [running a node](https://docs.bnbchain.org/docs/validator/fullnode) and [becoming a validator](https://docs.bnbchain.org/docs/validator/create-val)
 
 *Note: Although some internal protective measures prevent transactions from
 crossing over between the main network and test network, you should always

cmd/geth/chaincmd.go

@@ -64,7 +64,6 @@ var (
 			utils.CachePreimagesFlag,
 			utils.OverrideCancun,
 			utils.OverrideHaber,
-			utils.OverrideBohr,
 			utils.OverrideVerkle,
 		}, utils.DatabaseFlags),
 		Description: `
@@ -262,10 +261,6 @@ func initGenesis(ctx *cli.Context) error {
 		v := ctx.Uint64(utils.OverrideHaber.Name)
 		overrides.OverrideHaber = &v
 	}
-	if ctx.IsSet(utils.OverrideBohr.Name) {
-		v := ctx.Uint64(utils.OverrideBohr.Name)
-		overrides.OverrideBohr = &v
-	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		overrides.OverrideVerkle = &v

cmd/geth/config.go

@@ -193,10 +193,6 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 		v := ctx.Uint64(utils.OverrideHaber.Name)
 		cfg.Eth.OverrideHaber = &v
 	}
-	if ctx.IsSet(utils.OverrideBohr.Name) {
-		v := ctx.Uint64(utils.OverrideBohr.Name)
-		cfg.Eth.OverrideBohr = &v
-	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
 		cfg.Eth.OverrideVerkle = &v

cmd/geth/main.go

@@ -74,7 +74,6 @@ var (
 		utils.RialtoHash,
 		utils.OverrideCancun,
 		utils.OverrideHaber,
-		utils.OverrideBohr,
 		utils.OverrideVerkle,
 		utils.OverrideFullImmutabilityThreshold,
 		utils.OverrideMinBlocksForBlobRequests,

cmd/geth/pruneblock_test.go

@@ -75,7 +75,7 @@ func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, ancient
 	if err != nil {
 		return nil, err
 	}
-	frdb, err := rawdb.NewDatabaseWithFreezer(kvdb, ancient, namespace, readonly, disableFreeze, isLastOffset, pruneAncientData, false)
+	frdb, err := rawdb.NewDatabaseWithFreezer(kvdb, ancient, namespace, readonly, disableFreeze, isLastOffset, pruneAncientData)
 	if err != nil {
 		kvdb.Close()
 		return nil, err
@@ -178,10 +178,11 @@ func BlockchainCreator(t *testing.T, chaindbPath, AncientPath string, blockRemai
 
 	// Force run a freeze cycle
 	type freezer interface {
-		Freeze(threshold uint64) error
+		Freeze() error
 		Ancients() (uint64, error)
 	}
-	db.(freezer).Freeze(10)
+	blockchain.SetFinalized(blocks[len(blocks)-1].Header())
+	db.(freezer).Freeze()
 
 	frozen, err := db.Ancients()
 	//make sure there're frozen items

cmd/geth/snapshot.go

@@ -43,11 +43,9 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/node"
-	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/ethereum/go-ethereum/triedb"
-	"github.com/ethereum/go-ethereum/triedb/pathdb"
 	cli "github.com/urfave/cli/v2"
 )
 
@@ -247,16 +245,7 @@ func accessDb(ctx *cli.Context, stack *node.Node) (ethdb.Database, error) {
 		NoBuild:    true,
 		AsyncBuild: false,
 	}
-	dbScheme := rawdb.ReadStateScheme(chaindb)
-	var config *triedb.Config
-	if dbScheme == rawdb.PathScheme {
-		config = &triedb.Config{
-			PathDB: utils.PathDBConfigAddJournalFilePath(stack, pathdb.ReadOnly),
-		}
-	} else if dbScheme == rawdb.HashScheme {
-		config = triedb.HashDefaults
-	}
-	snaptree, err := snapshot.New(snapconfig, chaindb, triedb.NewDatabase(chaindb, config), headBlock.Root(), TriesInMemory, false)
+	snaptree, err := snapshot.New(snapconfig, chaindb, triedb.NewDatabase(chaindb, nil), headBlock.Root(), TriesInMemory, false)
 	if err != nil {
 		log.Error("snaptree error", "err", err)
 		return nil, err // The relevant snapshot(s) might not exist
@@ -344,9 +333,6 @@ func pruneBlock(ctx *cli.Context) error {
 	stack, config = makeConfigNode(ctx)
 	defer stack.Close()
 	blockAmountReserved = ctx.Uint64(utils.BlockAmountReserved.Name)
-	if blockAmountReserved < params.FullImmutabilityThreshold {
-		return fmt.Errorf("block-amount-reserved must be greater than or equal to %d", params.FullImmutabilityThreshold)
-	}
 	chaindb, err = accessDb(ctx, stack)
 	if err != nil {
 		return err

cmd/utils/flags.go

@@ -315,11 +315,6 @@ var (
 		Usage:    "Manually specify the Haber fork timestamp, overriding the bundled setting",
 		Category: flags.EthCategory,
 	}
-	OverrideBohr = &cli.Uint64Flag{
-		Name:     "override.bohr",
-		Usage:    "Manually specify the Bohr fork timestamp, overriding the bundled setting",
-		Category: flags.EthCategory,
-	}
 	OverrideVerkle = &cli.Uint64Flag{
 		Name:     "override.verkle",
 		Usage:    "Manually specify the Verkle fork timestamp, overriding the bundled setting",
@@ -1087,7 +1082,6 @@ Please note that --` + MetricsHTTPFlag.Name + ` must be set to start the server.
 		Name:     "block-amount-reserved",
 		Usage:    "Sets the expected remained amount of blocks for offline block prune",
 		Category: flags.BlockHistoryCategory,
-		Value:    params.FullImmutabilityThreshold,
 	}
 
 	CheckSnapshotWithMPT = &cli.BoolFlag{

cmd/utils/history_test.go

@@ -163,7 +163,7 @@ func TestHistoryImportAndExport(t *testing.T) {
 
 	// Now import Era.
 	freezer := t.TempDir()
-	db2, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), freezer, "", false, false, false, false, false)
+	db2, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), freezer, "", false, false, false, false)
 	if err != nil {
 		panic(err)
 	}

core/blockchain_repair_test.go

@@ -1832,10 +1832,14 @@ func testRepairWithScheme(t *testing.T, tt *rewindTest, snapshots bool, scheme s
 	}
 	// Force run a freeze cycle
 	type freezer interface {
-		Freeze(threshold uint64) error
+		Freeze() error
 		Ancients() (uint64, error)
 	}
-	db.(freezer).Freeze(tt.freezeThreshold)
+	if tt.freezeThreshold < uint64(tt.canonicalBlocks) {
+		final := uint64(tt.canonicalBlocks) - tt.freezeThreshold
+		chain.SetFinalized(canonblocks[int(final)-1].Header())
+	}
+	db.(freezer).Freeze()
 
 	// Set the simulated pivot block
 	if tt.pivotBlock != nil {

core/blockchain_sethead_test.go

@@ -2045,10 +2045,14 @@ func testSetHeadWithScheme(t *testing.T, tt *rewindTest, snapshots bool, scheme
 
 	// Force run a freeze cycle
 	type freezer interface {
-		Freeze(threshold uint64) error
+		Freeze() error
 		Ancients() (uint64, error)
 	}
-	db.(freezer).Freeze(tt.freezeThreshold)
+	if tt.freezeThreshold < uint64(tt.canonicalBlocks) {
+		final := uint64(tt.canonicalBlocks) - tt.freezeThreshold
+		chain.SetFinalized(canonblocks[int(final)-1].Header())
+	}
+	db.(freezer).Freeze()
 
 	// Set the simulated pivot block
 	if tt.pivotBlock != nil {

core/blockchain_test.go

@@ -974,7 +974,7 @@ func testFastVsFullChains(t *testing.T, scheme string) {
 		t.Fatalf("failed to insert receipt %d: %v", n, err)
 	}
 	// Freezer style fast import the chain.
-	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create temp freezer db: %v", err)
 	}
@@ -1069,7 +1069,7 @@ func testLightVsFastVsFullChainHeads(t *testing.T, scheme string) {
 
 	// makeDb creates a db instance for testing.
 	makeDb := func() ethdb.Database {
-		db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+		db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 		if err != nil {
 			t.Fatalf("failed to create temp freezer db: %v", err)
 		}
@@ -1957,7 +1957,7 @@ func testLargeReorgTrieGC(t *testing.T, scheme string) {
 	competitor, _ := GenerateChain(genesis.Config, shared[len(shared)-1], engine, genDb, 2*TriesInMemory+1, func(i int, b *BlockGen) { b.SetCoinbase(common.Address{3}) })
 
 	// Import the shared chain and the original canonical one
-	db, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	db, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	defer db.Close()
 
 	chain, err := NewBlockChain(db, DefaultCacheConfigWithScheme(scheme), genesis, nil, engine, vm.Config{}, nil, nil)
@@ -2026,7 +2026,7 @@ func testBlockchainRecovery(t *testing.T, scheme string) {
 	_, blocks, receipts := GenerateChainWithGenesis(gspec, ethash.NewFaker(), int(height), nil)
 
 	// Import the chain as a ancient-first node and ensure all pointers are updated
-	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create temp freezer db: %v", err)
 	}
@@ -2097,7 +2097,7 @@ func testInsertReceiptChainRollback(t *testing.T, scheme string) {
 	}
 
 	// Set up a BlockChain that uses the ancient store.
-	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create temp freezer db: %v", err)
 	}
@@ -2167,7 +2167,7 @@ func testLowDiffLongChain(t *testing.T, scheme string) {
 	})
 
 	// Import the canonical chain
-	diskdb, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	diskdb, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	defer diskdb.Close()
 
 	chain, err := NewBlockChain(diskdb, DefaultCacheConfigWithScheme(scheme), genesis, nil, engine, vm.Config{}, nil, nil)
@@ -2384,7 +2384,7 @@ func testInsertKnownChainData(t *testing.T, typ string, scheme string) {
 		b.OffsetTime(-9) // A higher difficulty
 	})
 	// Import the shared chain and the original canonical one
-	chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create temp freezer db: %v", err)
 	}
@@ -2555,7 +2555,7 @@ func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight i
 		}
 	})
 	// Import the shared chain and the original canonical one
-	chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create temp freezer db: %v", err)
 	}
@@ -3858,7 +3858,7 @@ func testSetCanonical(t *testing.T, scheme string) {
 		}
 		gen.AddTx(tx)
 	})
-	diskdb, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+	diskdb, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 	defer diskdb.Close()
 
 	chain, err := NewBlockChain(diskdb, DefaultCacheConfigWithScheme(scheme), gspec, nil, engine, vm.Config{}, nil, nil)
@@ -4483,7 +4483,7 @@ func (c *mockParlia) CalcDifficulty(chain consensus.ChainHeaderReader, time uint
 func TestParliaBlobFeeReward(t *testing.T) {
 	// Have N headers in the freezer
 	frdir := t.TempDir()
-	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create database with ancient backend")
 	}

core/genesis.go

@@ -218,7 +218,6 @@ func (e *GenesisMismatchError) Error() string {
 type ChainOverrides struct {
 	OverrideCancun *uint64
 	OverrideHaber  *uint64
-	OverrideBohr   *uint64
 	OverrideVerkle *uint64
 }
 
@@ -251,9 +250,6 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *triedb.Database, g
 			if overrides != nil && overrides.OverrideHaber != nil {
 				config.HaberTime = overrides.OverrideHaber
 			}
-			if overrides != nil && overrides.OverrideBohr != nil {
-				config.BohrTime = overrides.OverrideBohr
-			}
 			if overrides != nil && overrides.OverrideVerkle != nil {
 				config.VerkleTime = overrides.OverrideVerkle
 			}

core/rawdb/accessors_chain_test.go

@@ -518,7 +518,7 @@ func checkBlobSidecarsRLP(have, want types.BlobSidecars) error {
 func TestAncientStorage(t *testing.T) {
 	// Freezer style fast import the chain.
 	frdir := t.TempDir()
-	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create database with ancient backend")
 	}
@@ -657,7 +657,7 @@ func TestHashesInRange(t *testing.T) {
 func BenchmarkWriteAncientBlocks(b *testing.B) {
 	// Open freezer database.
 	frdir := b.TempDir()
-	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false)
 	if err != nil {
 		b.Fatalf("failed to create database with ancient backend")
 	}
@@ -1001,7 +1001,7 @@ func TestHeadersRLPStorage(t *testing.T) {
 	// Have N headers in the freezer
 	frdir := t.TempDir()
 
-	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create database with ancient backend")
 	}

core/rawdb/chain_freezer.go

@@ -24,12 +24,12 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/ethereum/go-ethereum/rlp"
+
 	"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"
 	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/rlp"
 )
 
 const (
@@ -51,31 +51,25 @@ var (
 // The background thread will keep moving ancient chain segments from key-value
 // database to flat files for saving space on live database.
 type chainFreezer struct {
-	threshold atomic.Uint64 // Number of recent blocks not to freeze (params.FullImmutabilityThreshold apart from tests)
-
 	*Freezer
 	quit    chan struct{}
 	wg      sync.WaitGroup
 	trigger chan chan struct{} // Manual blocking freeze trigger, test determinism
 
 	freezeEnv atomic.Value
-
-	multiDatabase bool
 }
 
 // newChainFreezer initializes the freezer for ancient chain data.
-func newChainFreezer(datadir string, namespace string, readonly bool, offset uint64, multiDatabase bool) (*chainFreezer, error) {
+func newChainFreezer(datadir string, namespace string, readonly bool, offset uint64) (*chainFreezer, error) {
 	freezer, err := NewChainFreezer(datadir, namespace, readonly, offset)
 	if err != nil {
 		return nil, err
 	}
-	cf := chainFreezer{
+	return &chainFreezer{
 		Freezer: freezer,
 		quit:    make(chan struct{}),
 		trigger: make(chan chan struct{}),
-	}
-	cf.threshold.Store(params.FullImmutabilityThreshold)
-	return &cf, nil
+	}, nil
 }
 
 // Close closes the chain freezer instance and terminates the background thread.
@@ -191,101 +185,29 @@ func (f *chainFreezer) freeze(db ethdb.KeyValueStore) {
 			continue
 		}
 
-		var (
-			frozen    uint64
-			threshold uint64
-			first     uint64 // the first block to freeze
-			last      uint64 // the last block to freeze
+		threshold, err := f.freezeThreshold(nfdb)
+		if err != nil {
+			backoff = true
+			log.Debug("Current full block not old enough to freeze", "err", err)
+			continue
+		}
+		frozen := f.frozen.Load()
 
-			hash   common.Hash
-			number *uint64
-			head   *types.Header
-		)
-
-		// use finalized block as the chain freeze indicator was used for multiDatabase feature, if multiDatabase is false, keep 9W blocks in db
-		if f.multiDatabase {
-			threshold, err = f.freezeThreshold(nfdb)
-			if err != nil {
-				backoff = true
-				log.Debug("Current full block not old enough to freeze", "err", err)
-				continue
-			}
-			frozen = f.frozen.Load()
-
-			// Short circuit if the blocks below threshold are already frozen.
-			if frozen != 0 && frozen-1 >= threshold {
-				backoff = true
-				log.Debug("Ancient blocks frozen already", "threshold", threshold, "frozen", frozen)
-				continue
-			}
-
-			hash = ReadHeadBlockHash(nfdb)
-			if hash == (common.Hash{}) {
-				log.Debug("Current full block hash unavailable") // new chain, empty database
-				backoff = true
-				continue
-			}
-			number = ReadHeaderNumber(nfdb, hash)
-			if number == nil {
-				log.Error("Current full block number unavailable", "hash", hash)
-				backoff = true
-				continue
-			}
-			head = ReadHeader(nfdb, hash, *number)
-			if head == nil {
-				log.Error("Current full block unavailable", "number", *number, "hash", hash)
-				backoff = true
-				continue
-			}
-
-			first = frozen
-			last = threshold
-			if last-first+1 > freezerBatchLimit {
-				last = freezerBatchLimit + first - 1
-			}
-		} else {
-			// Retrieve the freezing threshold.
-			hash = ReadHeadBlockHash(nfdb)
-			if hash == (common.Hash{}) {
-				log.Debug("Current full block hash unavailable") // new chain, empty database
-				backoff = true
-				continue
-			}
-			number = ReadHeaderNumber(nfdb, hash)
-			threshold = f.threshold.Load()
-			frozen = f.frozen.Load()
-			switch {
-			case number == nil:
-				log.Error("Current full block number unavailable", "hash", hash)
-				backoff = true
-				continue
-
-			case *number < threshold:
-				log.Debug("Current full block not old enough to freeze", "number", *number, "hash", hash, "delay", threshold)
-				backoff = true
-				continue
-
-			case *number-threshold <= frozen:
-				log.Debug("Ancient blocks frozen already", "number", *number, "hash", hash, "frozen", frozen)
-				backoff = true
-				continue
-			}
-			head = ReadHeader(nfdb, hash, *number)
-			if head == nil {
-				log.Error("Current full block unavailable", "number", *number, "hash", hash)
-				backoff = true
-				continue
-			}
-			first, _ = f.Ancients()
-			last = *number - threshold
-			if last-first > freezerBatchLimit {
-				last = first + freezerBatchLimit
-			}
+		// Short circuit if the blocks below threshold are already frozen.
+		if frozen != 0 && frozen-1 >= threshold {
+			backoff = true
+			log.Debug("Ancient blocks frozen already", "threshold", threshold, "frozen", frozen)
+			continue
 		}
 		// Seems we have data ready to be frozen, process in usable batches
 		var (
 			start = time.Now()
+			first = frozen    // the first block to freeze
+			last  = threshold // the last block to freeze
 		)
+		if last-first+1 > freezerBatchLimit {
+			last = freezerBatchLimit + first - 1
+		}
 
 		ancients, err := f.freezeRangeWithBlobs(nfdb, first, last)
 		if err != nil {
@@ -373,6 +295,24 @@ func (f *chainFreezer) freeze(db ethdb.KeyValueStore) {
 		log.Debug("Deep froze chain segment", context...)
 
 		env, _ := f.freezeEnv.Load().(*ethdb.FreezerEnv)
+		hash := ReadHeadBlockHash(nfdb)
+		if hash == (common.Hash{}) {
+			log.Debug("Current full block hash unavailable") // new chain, empty database
+			backoff = true
+			continue
+		}
+		number := ReadHeaderNumber(nfdb, hash)
+		if number == nil {
+			log.Error("Current full block number unavailable", "hash", hash)
+			backoff = true
+			continue
+		}
+		head := ReadHeader(nfdb, hash, *number)
+		if head == nil {
+			log.Error("Current full block unavailable", "number", *number, "hash", hash)
+			backoff = true
+			continue
+		}
 		// try prune blob data after cancun fork
 		if isCancun(env, head.Number, head.Time) {
 			f.tryPruneBlobAncientTable(env, *number)

core/rawdb/database.go

@@ -138,22 +138,13 @@ func (frdb *freezerdb) SetBlockStore(block ethdb.Database) {
 	frdb.blockStore = block
 }
 
-func (frdb *freezerdb) HasSeparateBlockStore() bool {
-	return frdb.blockStore != nil
-}
-
 // Freeze is a helper method used for external testing to trigger and block until
 // a freeze cycle completes, without having to sleep for a minute to trigger the
 // automatic background run.
-func (frdb *freezerdb) Freeze(threshold uint64) error {
+func (frdb *freezerdb) Freeze() error {
 	if frdb.AncientStore.(*chainFreezer).readonly {
 		return errReadOnly
 	}
-	// Set the freezer threshold to a temporary value
-	defer func(old uint64) {
-		frdb.AncientStore.(*chainFreezer).threshold.Store(old)
-	}(frdb.AncientStore.(*chainFreezer).threshold.Load())
-	frdb.AncientStore.(*chainFreezer).threshold.Store(threshold)
 	// Trigger a freeze cycle and block until it's done
 	trigger := make(chan struct{}, 1)
 	frdb.AncientStore.(*chainFreezer).trigger <- trigger
@@ -272,10 +263,6 @@ func (db *nofreezedb) SetBlockStore(block ethdb.Database) {
 	db.blockStore = block
 }
 
-func (db *nofreezedb) HasSeparateBlockStore() bool {
-	return db.blockStore != nil
-}
-
 func (db *nofreezedb) BlockStoreReader() ethdb.Reader {
 	if db.blockStore != nil {
 		return db.blockStore
@@ -371,7 +358,7 @@ func resolveChainFreezerDir(ancient string) string {
 // value data store with a freezer moving immutable chain segments into cold
 // storage. The passed ancient indicates the path of root ancient directory
 // where the chain freezer can be opened.
-func NewDatabaseWithFreezer(db ethdb.KeyValueStore, ancient string, namespace string, readonly, disableFreeze, isLastOffset, pruneAncientData, multiDatabase bool) (ethdb.Database, error) {
+func NewDatabaseWithFreezer(db ethdb.KeyValueStore, ancient string, namespace string, readonly, disableFreeze, isLastOffset, pruneAncientData bool) (ethdb.Database, error) {
 	var offset uint64
 	// The offset of ancientDB should be handled differently in different scenarios.
 	if isLastOffset {
@@ -407,7 +394,7 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, ancient string, namespace st
 	}
 
 	// Create the idle freezer instance
-	frdb, err := newChainFreezer(resolveChainFreezerDir(ancient), namespace, readonly, offset, multiDatabase)
+	frdb, err := newChainFreezer(resolveChainFreezerDir(ancient), namespace, readonly, offset)
 	if err != nil {
 		printChainMetadata(db)
 		return nil, err
@@ -588,8 +575,6 @@ type OpenOptions struct {
 	// Ephemeral means that filesystem sync operations should be avoided: data integrity in the face of
 	// a crash is not important. This option should typically be used in tests.
 	Ephemeral bool
-
-	MultiDataBase bool
 }
 
 // openKeyValueDatabase opens a disk-based key-value database, e.g. leveldb or pebble.
@@ -640,7 +625,7 @@ func Open(o OpenOptions) (ethdb.Database, error) {
 	if len(o.AncientsDirectory) == 0 {
 		return kvdb, nil
 	}
-	frdb, err := NewDatabaseWithFreezer(kvdb, o.AncientsDirectory, o.Namespace, o.ReadOnly, o.DisableFreeze, o.IsLastOffset, o.PruneAncientData, o.MultiDataBase)
+	frdb, err := NewDatabaseWithFreezer(kvdb, o.AncientsDirectory, o.Namespace, o.ReadOnly, o.DisableFreeze, o.IsLastOffset, o.PruneAncientData)
 	if err != nil {
 		kvdb.Close()
 		return nil, err
@@ -784,7 +769,7 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
 		trieIter = db.StateStore().NewIterator(keyPrefix, nil)
 		defer trieIter.Release()
 	}
-	if db.HasSeparateBlockStore() {
+	if db.BlockStore() != db {
 		blockIter = db.BlockStore().NewIterator(keyPrefix, nil)
 		defer blockIter.Release()
 	}

core/rawdb/table.go

@@ -43,10 +43,6 @@ func (t *table) SetBlockStore(block ethdb.Database) {
 	panic("not implement")
 }
 
-func (t *table) HasSeparateBlockStore() bool {
-	panic("not implement")
-}
-
 // NewTable returns a database object that prefixes all keys with a given string.
 func NewTable(db ethdb.Database, prefix string) ethdb.Database {
 	return &table{

core/state/pruner/pruner.go

@@ -382,7 +382,7 @@ func (p *BlockPruner) backUpOldDb(name string, cache, handles int, namespace str
 	log.Info("chainDB opened successfully")
 
 	// Get the number of items in old ancient db.
-	itemsOfAncient, err := chainDb.BlockStore().ItemAmountInAncient()
+	itemsOfAncient, err := chainDb.ItemAmountInAncient()
 	log.Info("the number of items in ancientDB is ", "itemsOfAncient", itemsOfAncient)
 
 	// If we can't access the freezer or it's empty, abort.

core/txindexer_test.go

@@ -212,7 +212,7 @@ func TestTxIndexer(t *testing.T) {
 	}
 	for _, c := range cases {
 		frdir := t.TempDir()
-		db, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+		db, _ := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false)
 		rawdb.WriteAncientBlocks(db, append([]*types.Block{gspec.ToBlock()}, blocks...), append([]types.Receipts{{}}, receipts...), big.NewInt(0))
 
 		// Index the initial blocks from ancient store

core/txpool/legacypool/legacypool.go

@@ -55,8 +55,6 @@ const (
 
 	// txReannoMaxNum is the maximum number of transactions a reannounce action can include.
 	txReannoMaxNum = 1024
-
-	maxBufferSize = 1000 // maximum size of tx buffer
 )
 
 var (
@@ -246,10 +244,6 @@ type LegacyPool struct {
 	initDoneCh      chan struct{}  // is closed once the pool is initialized (for tests)
 
 	changesSinceReorg int // A counter for how many drops we've performed in-between reorg.
-
-	// A buffer to store transactions that would otherwise be discarded
-	buffer     []*types.Transaction
-	bufferLock sync.Mutex
 }
 
 type txpoolResetRequest struct {
@@ -361,13 +355,11 @@ func (pool *LegacyPool) loop() {
 		evict      = time.NewTicker(evictionInterval)
 		reannounce = time.NewTicker(reannounceInterval)
 		journal    = time.NewTicker(pool.config.Rejournal)
-		readd      = time.NewTicker(time.Minute) // ticker to re-add buffered transactions periodically
 	)
 	defer report.Stop()
 	defer evict.Stop()
 	defer reannounce.Stop()
 	defer journal.Stop()
-	defer readd.Stop() // Stop the ticker when the loop exits
 
 	// Notify tests that the init phase is done
 	close(pool.initDoneCh)
@@ -444,9 +436,6 @@ func (pool *LegacyPool) loop() {
 				}
 				pool.mu.Unlock()
 			}
-			// Handle re-adding buffered transactions
-		case <-readd.C:
-			pool.readdBufferedTransactions()
 		}
 	}
 }
@@ -792,21 +781,12 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 			}
 		}()
 	}
-	// If the transaction pool is full, buffer underpriced transactions
+	// If the transaction pool is full, discard underpriced transactions
 	if uint64(pool.all.Slots()+numSlots(tx)) > pool.config.GlobalSlots+pool.config.GlobalQueue {
-		// If the new transaction is underpriced, buffer it
+		// If the new transaction is underpriced, don't accept it
 		if !isLocal && pool.priced.Underpriced(tx) {
-			log.Trace("Buffering underpriced transaction", "hash", hash, "gasTipCap", tx.GasTipCap(), "gasFeeCap", tx.GasFeeCap())
+			log.Trace("Discarding underpriced transaction", "hash", hash, "gasTipCap", tx.GasTipCap(), "gasFeeCap", tx.GasFeeCap())
 			underpricedTxMeter.Mark(1)
-
-			pool.bufferLock.Lock()
-			if len(pool.buffer) < maxBufferSize {
-				pool.buffer = append(pool.buffer, tx)
-			} else {
-				log.Warn("Buffer is full, discarding transaction", "hash", hash)
-			}
-			pool.bufferLock.Unlock()
-
 			return false, txpool.ErrUnderpriced
 		}
 
@@ -824,16 +804,6 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 		// Otherwise if we can't make enough room for new one, abort the operation.
 		drop, success := pool.priced.Discard(pool.all.Slots()-int(pool.config.GlobalSlots+pool.config.GlobalQueue)+numSlots(tx), isLocal)
 
-		// Add dropped transactions to the buffer
-		pool.bufferLock.Lock()
-		availableSpace := maxBufferSize - len(pool.buffer)
-		// Determine how many elements to take from drop
-		if availableSpace > len(drop) {
-			availableSpace = len(drop)
-		}
-		pool.buffer = append(pool.buffer, drop[:availableSpace]...)
-		pool.bufferLock.Unlock()
-
 		// Special case, we still can't make the room for the new remote one.
 		if !isLocal && !success {
 			log.Trace("Discarding overflown transaction", "hash", hash)
@@ -1809,51 +1779,6 @@ func (pool *LegacyPool) SetMaxGas(maxGas uint64) {
 	pool.maxGas.Store(maxGas)
 }
 
-func (pool *LegacyPool) readdBufferedTransactions() {
-	pool.mu.Lock()
-	defer pool.mu.Unlock()
-
-	// Check if there is space in the pool
-	if uint64(pool.all.Slots()) >= pool.config.GlobalSlots+pool.config.GlobalQueue {
-		return // No space available, skip re-adding
-	}
-
-	var readded []*types.Transaction
-
-	pool.bufferLock.Lock()
-	for _, tx := range pool.buffer {
-		// Check if adding this transaction will exceed the pool capacity
-		if uint64(pool.all.Slots()+numSlots(tx)) > pool.config.GlobalSlots+pool.config.GlobalQueue {
-			break // Stop if adding the transaction will exceed the pool capacity
-		}
-
-		if _, err := pool.add(tx, false); err == nil {
-			readded = append(readded, tx)
-		}
-	}
-	pool.bufferLock.Unlock()
-
-	// Remove successfully re-added transactions from the buffer
-	if len(readded) > 0 {
-		remaining := pool.buffer[:0]
-		for _, tx := range pool.buffer {
-			if !containsTransaction(readded, tx) {
-				remaining = append(remaining, tx)
-			}
-		}
-		pool.buffer = remaining
-	}
-}
-
-func containsTransaction(txs []*types.Transaction, tx *types.Transaction) bool {
-	for _, t := range txs {
-		if t.Hash() == tx.Hash() {
-			return true
-		}
-	}
-	return false
-}
-
 // addressByHeartbeat is an account address tagged with its last activity timestamp.
 type addressByHeartbeat struct {
 	address   common.Address

eth/backend.go

@@ -187,10 +187,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		chainConfig.HaberTime = config.OverrideHaber
 		overrides.OverrideHaber = config.OverrideHaber
 	}
-	if config.OverrideBohr != nil {
-		chainConfig.BohrTime = config.OverrideBohr
-		overrides.OverrideBohr = config.OverrideBohr
-	}
 	if config.OverrideVerkle != nil {
 		chainConfig.VerkleTime = config.OverrideVerkle
 		overrides.OverrideVerkle = config.OverrideVerkle
@@ -318,6 +314,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	// Permit the downloader to use the trie cache allowance during fast sync
 	cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit + cacheConfig.SnapshotLimit
 	if eth.handler, err = newHandler(&handlerConfig{
+		NodeID:                 eth.p2pServer.Self().ID(),
 		Database:               chainDb,
 		Chain:                  eth.blockchain,
 		TxPool:                 eth.txPool,

eth/downloader/downloader_test.go

@@ -60,7 +60,7 @@ func newTester(t *testing.T) *downloadTester {
 // newTester creates a new downloader test mocker.
 func newTesterWithNotification(t *testing.T, success func()) *downloadTester {
 	freezer := t.TempDir()
-	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), freezer, "", false, false, false, false, false)
+	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), freezer, "", false, false, false, false)
 	if err != nil {
 		panic(err)
 	}

eth/ethconfig/config.go

@@ -194,9 +194,6 @@ type Config struct {
 	// OverrideHaber (TODO: remove after the fork)
 	OverrideHaber *uint64 `toml:",omitempty"`
 
-	// OverrideBohr (TODO: remove after the fork)
-	OverrideBohr *uint64 `toml:",omitempty"`
-
 	// OverrideVerkle (TODO: remove after the fork)
 	OverrideVerkle *uint64 `toml:",omitempty"`
 

eth/ethconfig/gen_config.go

@@ -72,7 +72,6 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		RPCTxFeeCap             float64
 		OverrideCancun          *uint64 `toml:",omitempty"`
 		OverrideHaber           *uint64 `toml:",omitempty"`
-		OverrideBohr            *uint64 `toml:",omitempty"`
 		OverrideVerkle          *uint64 `toml:",omitempty"`
 		BlobExtraReserve        uint64
 	}
@@ -132,7 +131,6 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	enc.RPCTxFeeCap = c.RPCTxFeeCap
 	enc.OverrideCancun = c.OverrideCancun
 	enc.OverrideHaber = c.OverrideHaber
-	enc.OverrideBohr = c.OverrideBohr
 	enc.OverrideVerkle = c.OverrideVerkle
 	enc.BlobExtraReserve = c.BlobExtraReserve
 	return &enc, nil
@@ -196,7 +194,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		RPCTxFeeCap             *float64
 		OverrideCancun          *uint64 `toml:",omitempty"`
 		OverrideHaber           *uint64 `toml:",omitempty"`
-		OverrideBohr            *uint64 `toml:",omitempty"`
 		OverrideVerkle          *uint64 `toml:",omitempty"`
 		BlobExtraReserve        *uint64
 	}
@@ -369,9 +366,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.OverrideHaber != nil {
 		c.OverrideHaber = dec.OverrideHaber
 	}
-	if dec.OverrideBohr != nil {
-		c.OverrideBohr = dec.OverrideBohr
-	}
 	if dec.OverrideVerkle != nil {
 		c.OverrideVerkle = dec.OverrideVerkle
 	}

eth/handler.go

@@ -34,6 +34,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/fetcher"
 	"github.com/ethereum/go-ethereum/eth/protocols/bsc"
@@ -45,6 +46,8 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/p2p/enode"
+	"golang.org/x/crypto/sha3"
 )
 
 const (
@@ -111,6 +114,7 @@ type votePool interface {
 // handlerConfig is the collection of initialization parameters to create a full
 // node network handler.
 type handlerConfig struct {
+	NodeID                 enode.ID         // P2P node ID used for tx propagation topology
 	Database               ethdb.Database   // Database for direct sync insertions
 	Chain                  *core.BlockChain // Blockchain to serve data from
 	TxPool                 txPool           // Transaction pool to propagate from
@@ -127,6 +131,7 @@ type handlerConfig struct {
 }
 
 type handler struct {
+	nodeID                 enode.ID
 	networkID              uint64
 	forkFilter             forkid.Filter // Fork ID filter, constant across the lifetime of the node
 	disablePeerTxBroadcast bool
@@ -184,6 +189,7 @@ func newHandler(config *handlerConfig) (*handler, error) {
 		config.PeerSet = newPeerSet() // Nicety initialization for tests
 	}
 	h := &handler{
+		nodeID:                 config.NodeID,
 		networkID:              config.Network,
 		forkFilter:             forkid.NewFilter(config.Chain),
 		disablePeerTxBroadcast: config.DisablePeerTxBroadcast,
@@ -852,25 +858,54 @@ func (h *handler) BroadcastTransactions(txs types.Transactions) {
 		annos = make(map[*ethPeer][]common.Hash) // Set peer->hash to announce
 	)
 	// Broadcast transactions to a batch of peers not knowing about it
-	for _, tx := range txs {
-		peers := h.peers.peersWithoutTransaction(tx.Hash())
+	direct := big.NewInt(int64(math.Sqrt(float64(h.peers.len())))) // Approximate number of peers to broadcast to
+	if direct.BitLen() == 0 {
+		direct = big.NewInt(1)
+	}
+	total := new(big.Int).Exp(direct, big.NewInt(2), nil) // Stabilise total peer count a bit based on sqrt peers
 
-		var numDirect int
+	var (
+		signer = types.LatestSignerForChainID(h.chain.Config().ChainID) // Don't care about chain status, we just need *a* sender
+		hasher = sha3.NewLegacyKeccak256().(crypto.KeccakState)
+		hash   = make([]byte, 32)
+	)
+	for _, tx := range txs {
+		var maybeDirect bool
 		switch {
 		case tx.Type() == types.BlobTxType:
 			blobTxs++
 		case tx.Size() > txMaxBroadcastSize:
 			largeTxs++
 		default:
-			numDirect = int(math.Sqrt(float64(len(peers))))
+			maybeDirect = true
 		}
-		// Send the tx unconditionally to a subset of our peers
-		for _, peer := range peers[:numDirect] {
-			txset[peer] = append(txset[peer], tx.Hash())
-		}
-		// For the remaining peers, send announcement only
-		for _, peer := range peers[numDirect:] {
-			annos[peer] = append(annos[peer], tx.Hash())
+		// Send the transaction (if it's small enough) directly to a subset of
+		// the peers that have not received it yet, ensuring that the flow of
+		// transactions is groupped by account to (try and) avoid nonce gaps.
+		//
+		// To do this, we hash the local enode IW with together with a peer's
+		// enode ID together with the transaction sender and broadcast if
+		// `sha(self, peer, sender) mod peers < sqrt(peers)`.
+		for _, peer := range h.peers.peersWithoutTransaction(tx.Hash()) {
+			var broadcast bool
+			if maybeDirect {
+				hasher.Reset()
+				hasher.Write(h.nodeID.Bytes())
+				hasher.Write(peer.Node().ID().Bytes())
+
+				from, _ := types.Sender(signer, tx) // Ignore error, we only use the addr as a propagation target splitter
+				hasher.Write(from.Bytes())
+
+				hasher.Read(hash)
+				if new(big.Int).Mod(new(big.Int).SetBytes(hash), total).Cmp(direct) < 0 {
+					broadcast = true
+				}
+			}
+			if broadcast {
+				txset[peer] = append(txset[peer], tx.Hash())
+			} else {
+				annos[peer] = append(annos[peer], tx.Hash())
+			}
 		}
 	}
 	for peer, hashes := range txset {

eth/handler_test.go

@@ -258,7 +258,7 @@ func (c *mockParlia) CalcDifficulty(chain consensus.ChainHeaderReader, time uint
 func newTestParliaHandlerAfterCancun(t *testing.T, config *params.ChainConfig, mode downloader.SyncMode, preCancunBlks, postCancunBlks uint64) *testHandler {
 	// Have N headers in the freezer
 	frdir := t.TempDir()
-	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false, false)
+	db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false, false, false, false)
 	if err != nil {
 		t.Fatalf("failed to create database with ancient backend")
 	}

ethdb/database.go

@@ -183,7 +183,6 @@ type StateStoreReader interface {
 type BlockStore interface {
 	BlockStore() Database
 	SetBlockStore(block Database)
-	HasSeparateBlockStore() bool
 }
 
 type BlockStoreReader interface {

ethdb/remotedb/remotedb.go

@@ -44,10 +44,6 @@ func (db *Database) BlockStore() ethdb.Database {
 	return db
 }
 
-func (db *Database) HasSeparateBlockStore() bool {
-	return false
-}
-
 func (db *Database) SetBlockStore(block ethdb.Database) {
 	panic("not supported")
 }

node/node.go

@@ -773,13 +773,12 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string, r
 		db = rawdb.NewMemoryDatabase()
 	} else {
 		db, err = rawdb.Open(rawdb.OpenOptions{
-			Type:          n.config.DBEngine,
-			Directory:     n.ResolvePath(name),
-			Namespace:     namespace,
-			Cache:         cache,
-			Handles:       handles,
-			ReadOnly:      readonly,
-			MultiDataBase: n.CheckIfMultiDataBase(),
+			Type:      n.config.DBEngine,
+			Directory: n.ResolvePath(name),
+			Namespace: namespace,
+			Cache:     cache,
+			Handles:   handles,
+			ReadOnly:  readonly,
 		})
 	}
 

params/config.go

@@ -153,7 +153,6 @@ var (
 		FeynmanFixTime:      newUint64(1713419340), // 2024-04-18 05:49:00 AM UTC
 		CancunTime:          newUint64(1718863500), // 2024-06-20 06:05:00 AM UTC
 		HaberTime:           newUint64(1718863500), // 2024-06-20 06:05:00 AM UTC
-		BohrTime:            nil,
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -193,7 +192,6 @@ var (
 		FeynmanFixTime:      newUint64(1711342800), // 2024-03-25 5:00:00 AM UTC
 		CancunTime:          newUint64(1713330442), // 2024-04-17 05:07:22 AM UTC
 		HaberTime:           newUint64(1716962820), // 2024-05-29 06:07:00 AM UTC
-		BohrTime:            nil,
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -234,7 +232,6 @@ var (
 		FeynmanFixTime:      newUint64(0),
 		CancunTime:          newUint64(0),
 		HaberTime:           newUint64(0),
-		BohrTime:            newUint64(0),
 
 		Parlia: &ParliaConfig{
 			Period: 3,
@@ -512,7 +509,6 @@ type ChainConfig struct {
 	FeynmanFixTime *uint64 `json:"feynmanFixTime,omitempty"` // FeynmanFix switch time (nil = no fork, 0 = already activated)
 	CancunTime     *uint64 `json:"cancunTime,omitempty"`     // Cancun switch time (nil = no fork, 0 = already on cancun)
 	HaberTime      *uint64 `json:"haberTime,omitempty"`      // Haber switch time (nil = no fork, 0 = already on haber)
-	BohrTime       *uint64 `json:"bohrTime,omitempty"`       // Bohr switch time (nil = no fork, 0 = already on bohr)
 	PragueTime     *uint64 `json:"pragueTime,omitempty"`     // Prague switch time (nil = no fork, 0 = already on prague)
 	VerkleTime     *uint64 `json:"verkleTime,omitempty"`     // Verkle switch time (nil = no fork, 0 = already on verkle)
 
@@ -623,12 +619,7 @@ func (c *ChainConfig) String() string {
 		HaberTime = big.NewInt(0).SetUint64(*c.HaberTime)
 	}
 
-	var BohrTime *big.Int
-	if c.BohrTime != nil {
-		BohrTime = big.NewInt(0).SetUint64(*c.BohrTime)
-	}
-
-	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Ramanujan: %v, Niels: %v, MirrorSync: %v, Bruno: %v, Berlin: %v, YOLO v3: %v, CatalystBlock: %v, London: %v, ArrowGlacier: %v, MergeFork:%v, Euler: %v, Gibbs: %v, Nano: %v, Moran: %v, Planck: %v,Luban: %v, Plato: %v, Hertz: %v, Hertzfix: %v, ShanghaiTime: %v, KeplerTime: %v, FeynmanTime: %v, FeynmanFixTime: %v, CancunTime: %v, HaberTime: %v, BohrTime: %v, Engine: %v}",
+	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Ramanujan: %v, Niels: %v, MirrorSync: %v, Bruno: %v, Berlin: %v, YOLO v3: %v, CatalystBlock: %v, London: %v, ArrowGlacier: %v, MergeFork:%v, Euler: %v, Gibbs: %v, Nano: %v, Moran: %v, Planck: %v,Luban: %v, Plato: %v, Hertz: %v, Hertzfix: %v, ShanghaiTime: %v, KeplerTime: %v, FeynmanTime: %v, FeynmanFixTime: %v, CancunTime: %v, HaberTime: %v, Engine: %v}",
 		c.ChainID,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -666,7 +657,6 @@ func (c *ChainConfig) String() string {
 		FeynmanFixTime,
 		CancunTime,
 		HaberTime,
-		BohrTime,
 		engine,
 	)
 }
@@ -939,20 +929,6 @@ func (c *ChainConfig) IsHaber(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.HaberTime, time)
 }
 
-// IsBohr returns whether time is either equal to the Bohr fork time or greater.
-func (c *ChainConfig) IsBohr(num *big.Int, time uint64) bool {
-	return c.IsLondon(num) && isTimestampForked(c.BohrTime, time)
-}
-
-// IsOnBohr returns whether currentBlockTime is either equal to the Bohr fork time or greater firstly.
-func (c *ChainConfig) IsOnBohr(currentBlockNumber *big.Int, lastBlockTime uint64, currentBlockTime uint64) bool {
-	lastBlockNumber := new(big.Int)
-	if currentBlockNumber.Cmp(big.NewInt(1)) >= 0 {
-		lastBlockNumber.Sub(currentBlockNumber, big.NewInt(1))
-	}
-	return !c.IsBohr(lastBlockNumber, lastBlockTime) && c.IsBohr(currentBlockNumber, currentBlockTime)
-}
-
 // IsPrague returns whether num is either equal to the Prague fork time or greater.
 func (c *ChainConfig) IsPrague(num *big.Int, time uint64) bool {
 	return c.IsLondon(num) && isTimestampForked(c.PragueTime, time)
@@ -1017,7 +993,6 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "feynmanFixTime", timestamp: c.FeynmanFixTime},
 		{name: "cancunTime", timestamp: c.CancunTime},
 		{name: "haberTime", timestamp: c.HaberTime},
-		{name: "bohrTime", timestamp: c.BohrTime},
 		{name: "pragueTime", timestamp: c.PragueTime, optional: true},
 		{name: "verkleTime", timestamp: c.VerkleTime, optional: true},
 	} {
@@ -1348,7 +1323,7 @@ type Rules struct {
 	IsHertz                                                 bool
 	IsHertzfix                                              bool
 	IsShanghai, IsKepler, IsFeynman, IsCancun, IsHaber      bool
-	IsBohr, IsPrague, IsVerkle                              bool
+	IsPrague, IsVerkle                                      bool
 }
 
 // Rules ensures c's ChainID is not nil.
@@ -1384,7 +1359,6 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 		IsFeynman:        c.IsFeynman(num, timestamp),
 		IsCancun:         c.IsCancun(num, timestamp),
 		IsHaber:          c.IsHaber(num, timestamp),
-		IsBohr:           c.IsBohr(num, timestamp),
 		IsPrague:         c.IsPrague(num, timestamp),
 		IsVerkle:         c.IsVerkle(num, timestamp),
 	}

triedb/pathdb/database_test.go

@@ -98,7 +98,7 @@ type tester struct {
 
 func newTester(t *testing.T, historyLimit uint64) *tester {
 	var (
-		disk, _ = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false, false)
+		disk, _ = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), t.TempDir(), "", false, false, false, false)
 		db      = New(disk, &Config{
 			StateHistory:   historyLimit,
 			CleanCacheSize: 256 * 1024,

triedb/pathdb/journal.go

@@ -152,13 +152,12 @@ func (kr *JournalKVReader) Close() {
 }
 
 func newJournalWriter(file string, db ethdb.Database, journalType JournalType) JournalWriter {
+	log.Info("New journal writer", "path", file, "journalType", journalType)
 	if journalType == JournalKVType {
-		log.Info("New journal writer for journal kv")
 		return &JournalKVWriter{
 			diskdb: db,
 		}
 	} else {
-		log.Info("New journal writer for journal file", "path", file)
 		fd, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
 		if err != nil {
 			return nil
@@ -170,8 +169,8 @@ func newJournalWriter(file string, db ethdb.Database, journalType JournalType) J
 }
 
 func newJournalReader(file string, db ethdb.Database, journalType JournalType) (JournalReader, error) {
+	log.Info("New journal reader", "path", file, "journalType", journalType)
 	if journalType == JournalKVType {
-		log.Info("New journal reader for journal kv")
 		journal := rawdb.ReadTrieJournal(db)
 		if len(journal) == 0 {
 			return nil, errMissJournal
@@ -180,7 +179,6 @@ func newJournalReader(file string, db ethdb.Database, journalType JournalType) (
 			journalBuf: bytes.NewBuffer(journal),
 		}, nil
 	} else {
-		log.Info("New journal reader for journal file", "path", file)
 		fd, err := os.Open(file)
 		if errors.Is(err, fs.ErrNotExist) {
 			return nil, errMissJournal