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all: add read-only option to database (#22407)

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* all: add read-only option to database

* all: fixes tests

* cmd/geth: migrate flags

* cmd/geth: fix the compact

* cmd/geth: fix the format

* cmd/geth: fix log

* cmd: add chain-readonly

* core: add readonly notion to freezer

* core/rawdb: add log

* core/rawdb: fix freezer close

* cmd: fix

* cmd, core: construct db

* core: update tests
pull/22551/head
gary rong 4 years ago committed by GitHub
parent aab35600bc
commit 0c70b83e00
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
26 changed files with 265 additions and 190 deletions
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  1. 33
      cmd/geth/chaincmd.go
  2. 2
      cmd/geth/dao_test.go
  3. 151
      cmd/geth/dbcmd.go
  4. 57
      cmd/geth/snapshot.go
  5. 22
      cmd/utils/flags.go
  6. 8
      core/bench_test.go
  7. 6
      core/blockchain_repair_test.go
  8. 4
      core/blockchain_sethead_test.go
  9. 4
      core/blockchain_snapshot_test.go
  10. 18
      core/blockchain_test.go
  11. 26
      core/rawdb/accessors_chain.go
  12. 2
      core/rawdb/accessors_chain_test.go
  13. 25
      core/rawdb/database.go
  14. 18
      core/rawdb/freezer.go
  15. 36
      core/state/pruner/pruner.go
  16. 2
      core/state/snapshot/disklayer_test.go
  17. 2
      eth/backend.go
  18. 6
      eth/filters/bench_test.go
  19. 4
      eth/filters/filter_test.go
  20. 2
      eth/protocols/eth/protocol_test.go
  21. 5
      ethdb/leveldb/leveldb.go
  22. 4
      les/client.go
  23. 2
      les/server.go
  24. 8
      node/node.go
  25. 6
      node/node_test.go
  26. 2
      trie/trie_test.go

33
cmd/geth/chaincmd.go
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@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/log"
@ -191,7 +192,7 @@ func initGenesis(ctx *cli.Context) error {
defer stack.Close()
for _, name := range []string{"chaindata", "lightchaindata"} {
chaindb, err := stack.OpenDatabase(name, 0, 0, "")
chaindb, err := stack.OpenDatabase(name, 0, 0, "", false)
if err != nil {
utils.Fatalf("Failed to open database: %v", err)
}
@ -229,7 +230,7 @@ func importChain(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, db := utils.MakeChain(ctx, stack, false)
chain, db := utils.MakeChain(ctx, stack)
defer db.Close()
// Start periodically gathering memory profiles
@ -304,7 +305,7 @@ func exportChain(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, _ := utils.MakeChain(ctx, stack, true)
chain, _ := utils.MakeChain(ctx, stack)
start := time.Now()
var err error
@ -340,7 +341,7 @@ func importPreimages(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
db := utils.MakeChainDatabase(ctx, stack)
db := utils.MakeChainDatabase(ctx, stack, false)
start := time.Now()
if err := utils.ImportPreimages(db, ctx.Args().First()); err != nil {
@ -359,7 +360,7 @@ func exportPreimages(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
db := utils.MakeChainDatabase(ctx, stack)
db := utils.MakeChainDatabase(ctx, stack, true)
start := time.Now()
if err := utils.ExportPreimages(db, ctx.Args().First()); err != nil {
@ -373,21 +374,27 @@ func dump(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, chainDb := utils.MakeChain(ctx, stack, true)
defer chainDb.Close()
db := utils.MakeChainDatabase(ctx, stack, true)
for _, arg := range ctx.Args() {
var block *types.Block
var header *types.Header
if hashish(arg) {
block = chain.GetBlockByHash(common.HexToHash(arg))
hash := common.HexToHash(arg)
number := rawdb.ReadHeaderNumber(db, hash)
if number != nil {
header = rawdb.ReadHeader(db, hash, *number)
}
} else {
num, _ := strconv.Atoi(arg)
block = chain.GetBlockByNumber(uint64(num))
number, _ := strconv.Atoi(arg)
hash := rawdb.ReadCanonicalHash(db, uint64(number))
if hash != (common.Hash{}) {
header = rawdb.ReadHeader(db, hash, uint64(number))
}
}
if block == nil {
if header == nil {
fmt.Println("{}")
utils.Fatalf("block not found")
} else {
state, err := state.New(block.Root(), state.NewDatabase(chainDb), nil)
state, err := state.New(header.Root, state.NewDatabase(db), nil)
if err != nil {
utils.Fatalf("could not create new state: %v", err)
}

2
cmd/geth/dao_test.go
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@ -123,7 +123,7 @@ func testDAOForkBlockNewChain(t *testing.T, test int, genesis string, expectBloc
}
// Retrieve the DAO config flag from the database
path := filepath.Join(datadir, "geth", "chaindata")
db, err := rawdb.NewLevelDBDatabase(path, 0, 0, "")
db, err := rawdb.NewLevelDBDatabase(path, 0, 0, "", false)
if err != nil {
t.Fatalf("test %d: failed to open test database: %v", test, err)
}

151
cmd/geth/dbcmd.go
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@ -28,9 +28,7 @@ import (
"github.com/ethereum/go-ethereum/console/prompt"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethdb/leveldb"
"github.com/ethereum/go-ethereum/log"
"github.com/syndtr/goleveldb/leveldb/opt"
"gopkg.in/urfave/cli.v1"
)
@ -65,43 +63,98 @@ Remove blockchain and state databases`,
Action: utils.MigrateFlags(inspect),
Name: "inspect",
ArgsUsage: "<prefix> <start>",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
Usage: "Inspect the storage size for each type of data in the database",
Description: `This commands iterates the entire database. If the optional 'prefix' and 'start' arguments are provided, then the iteration is limited to the given subset of data.`,
}
dbStatCmd = cli.Command{
Action: dbStats,
Action: utils.MigrateFlags(dbStats),
Name: "stats",
Usage: "Print leveldb statistics",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
}
dbCompactCmd = cli.Command{
Action: dbCompact,
Action: utils.MigrateFlags(dbCompact),
Name: "compact",
Usage: "Compact leveldb database. WARNING: May take a very long time",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
utils.CacheFlag,
utils.CacheDatabaseFlag,
},
Description: `This command performs a database compaction.
WARNING: This operation may take a very long time to finish, and may cause database
corruption if it is aborted during execution'!`,
}
dbGetCmd = cli.Command{
Action: dbGet,
Name: "get",
Usage: "Show the value of a database key",
ArgsUsage: "<hex-encoded key>",
Action: utils.MigrateFlags(dbGet),
Name: "get",
Usage: "Show the value of a database key",
ArgsUsage: "<hex-encoded key>",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
Description: "This command looks up the specified database key from the database.",
}
dbDeleteCmd = cli.Command{
Action: dbDelete,
Action: utils.MigrateFlags(dbDelete),
Name: "delete",
Usage: "Delete a database key (WARNING: may corrupt your database)",
ArgsUsage: "<hex-encoded key>",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
Description: `This command deletes the specified database key from the database.
WARNING: This is a low-level operation which may cause database corruption!`,
}
dbPutCmd = cli.Command{
Action: dbPut,
Action: utils.MigrateFlags(dbPut),
Name: "put",
Usage: "Set the value of a database key (WARNING: may corrupt your database)",
ArgsUsage: "<hex-encoded key> <hex-encoded value>",
Flags: []cli.Flag{
utils.DataDirFlag,
utils.SyncModeFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
utils.YoloV3Flag,
},
Description: `This command sets a given database key to the given value.
WARNING: This is a low-level operation which may cause database corruption!`,
}
@ -192,10 +245,10 @@ func inspect(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
_, chainDb := utils.MakeChain(ctx, stack, true)
defer chainDb.Close()
db := utils.MakeChainDatabase(ctx, stack, true)
defer db.Close()
return rawdb.InspectDatabase(chainDb, prefix, start)
return rawdb.InspectDatabase(db, prefix, start)
}
func showLeveldbStats(db ethdb.Stater) {
@ -214,48 +267,32 @@ func showLeveldbStats(db ethdb.Stater) {
func dbStats(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
path := stack.ResolvePath("chaindata")
db, err := leveldb.NewCustom(path, "", func(options *opt.Options) {
options.ReadOnly = true
})
if err != nil {
return err
}
db := utils.MakeChainDatabase(ctx, stack, true)
defer db.Close()
showLeveldbStats(db)
err = db.Close()
if err != nil {
log.Info("Close err", "error", err)
}
return nil
}
func dbCompact(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
path := stack.ResolvePath("chaindata")
cache := ctx.GlobalInt(utils.CacheFlag.Name) * ctx.GlobalInt(utils.CacheDatabaseFlag.Name) / 100
db, err := leveldb.NewCustom(path, "", func(options *opt.Options) {
options.OpenFilesCacheCapacity = utils.MakeDatabaseHandles()
options.BlockCacheCapacity = cache / 2 * opt.MiB
options.WriteBuffer = cache / 4 * opt.MiB // Two of these are used internally
})
if err != nil {
return err
}
db := utils.MakeChainDatabase(ctx, stack, false)
defer db.Close()
log.Info("Stats before compaction")
showLeveldbStats(db)
log.Info("Triggering compaction")
err = db.Compact(nil, nil)
if err != nil {
if err := db.Compact(nil, nil); err != nil {
log.Info("Compact err", "error", err)
return err
}
log.Info("Stats after compaction")
showLeveldbStats(db)
log.Info("Closing db")
err = db.Close()
if err != nil {
log.Info("Close err", "error", err)
}
log.Info("Exiting")
return err
return nil
}
// dbGet shows the value of a given database key
@ -265,14 +302,10 @@ func dbGet(ctx *cli.Context) error {
}
stack, _ := makeConfigNode(ctx)
defer stack.Close()
path := stack.ResolvePath("chaindata")
db, err := leveldb.NewCustom(path, "", func(options *opt.Options) {
options.ReadOnly = true
})
if err != nil {
return err
}
db := utils.MakeChainDatabase(ctx, stack, true)
defer db.Close()
key, err := hexutil.Decode(ctx.Args().Get(0))
if err != nil {
log.Info("Could not decode the key", "error", err)
@ -283,7 +316,7 @@ func dbGet(ctx *cli.Context) error {
log.Info("Get operation failed", "error", err)
return err
}
fmt.Printf("key %#x:\n\t%#x\n", key, data)
fmt.Printf("key %#x: %#x\n", key, data)
return nil
}
@ -294,13 +327,19 @@ func dbDelete(ctx *cli.Context) error {
}
stack, _ := makeConfigNode(ctx)
defer stack.Close()
db := utils.MakeChainDatabase(ctx, stack)
db := utils.MakeChainDatabase(ctx, stack, false)
defer db.Close()
key, err := hexutil.Decode(ctx.Args().Get(0))
if err != nil {
log.Info("Could not decode the key", "error", err)
return err
}
data, err := db.Get(key)
if err == nil {
fmt.Printf("Previous value: %#x\n", data)
}
if err = db.Delete(key); err != nil {
log.Info("Delete operation returned an error", "error", err)
return err
@ -315,8 +354,10 @@ func dbPut(ctx *cli.Context) error {
}
stack, _ := makeConfigNode(ctx)
defer stack.Close()
db := utils.MakeChainDatabase(ctx, stack)
db := utils.MakeChainDatabase(ctx, stack, false)
defer db.Close()
var (
key []byte
value []byte
@ -335,7 +376,7 @@ func dbPut(ctx *cli.Context) error {
}
data, err = db.Get(key)
if err == nil {
fmt.Printf("Previous value:\n%#x\n", data)
fmt.Printf("Previous value: %#x\n", data)
}
return db.Put(key, value)
}

57
cmd/geth/snapshot.go
Unescape View File

@ -152,10 +152,8 @@ func pruneState(ctx *cli.Context) error {
stack, config := makeConfigNode(ctx)
defer stack.Close()
chain, chaindb := utils.MakeChain(ctx, stack, true)
defer chaindb.Close()
pruner, err := pruner.NewPruner(chaindb, chain.CurrentBlock().Header(), stack.ResolvePath(""), stack.ResolvePath(config.Eth.TrieCleanCacheJournal), ctx.GlobalUint64(utils.BloomFilterSizeFlag.Name))
chaindb := utils.MakeChainDatabase(ctx, stack, false)
pruner, err := pruner.NewPruner(chaindb, stack.ResolvePath(""), stack.ResolvePath(config.Eth.TrieCleanCacheJournal), ctx.GlobalUint64(utils.BloomFilterSizeFlag.Name))
if err != nil {
log.Error("Failed to open snapshot tree", "error", err)
return err
@ -183,10 +181,13 @@ func verifyState(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, chaindb := utils.MakeChain(ctx, stack, true)
defer chaindb.Close()
snaptree, err := snapshot.New(chaindb, trie.NewDatabase(chaindb), 256, chain.CurrentBlock().Root(), false, false, false)
chaindb := utils.MakeChainDatabase(ctx, stack, true)
headBlock := rawdb.ReadHeadBlock(chaindb)
if headBlock == nil {
log.Error("Failed to load head block")
return errors.New("no head block")
}
snaptree, err := snapshot.New(chaindb, trie.NewDatabase(chaindb), 256, headBlock.Root(), false, false, false)
if err != nil {
log.Error("Failed to open snapshot tree", "error", err)
return err
@ -195,7 +196,7 @@ func verifyState(ctx *cli.Context) error {
log.Error("Too many arguments given")
return errors.New("too many arguments")
}
var root = chain.CurrentBlock().Root()
var root = headBlock.Root()
if ctx.NArg() == 1 {
root, err = parseRoot(ctx.Args()[0])
if err != nil {
@ -218,19 +219,16 @@ func traverseState(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, chaindb := utils.MakeChain(ctx, stack, true)
defer chaindb.Close()
chaindb := utils.MakeChainDatabase(ctx, stack, true)
headBlock := rawdb.ReadHeadBlock(chaindb)
if headBlock == nil {
log.Error("Failed to load head block")
return errors.New("no head block")
}
if ctx.NArg() > 1 {
log.Error("Too many arguments given")
return errors.New("too many arguments")
}
// Use the HEAD root as the default
head := chain.CurrentBlock()
if head == nil {
log.Error("Head block is missing")
return errors.New("head block is missing")
}
var (
root common.Hash
err error
@ -243,8 +241,8 @@ func traverseState(ctx *cli.Context) error {
}
log.Info("Start traversing the state", "root", root)
} else {
root = head.Root()
log.Info("Start traversing the state", "root", root, "number", head.NumberU64())
root = headBlock.Root()
log.Info("Start traversing the state", "root", root, "number", headBlock.NumberU64())
}
triedb := trie.NewDatabase(chaindb)
t, err := trie.NewSecure(root, triedb)
@ -311,19 +309,16 @@ func traverseRawState(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
chain, chaindb := utils.MakeChain(ctx, stack, true)
defer chaindb.Close()
chaindb := utils.MakeChainDatabase(ctx, stack, true)
headBlock := rawdb.ReadHeadBlock(chaindb)
if headBlock == nil {
log.Error("Failed to load head block")
return errors.New("no head block")
}
if ctx.NArg() > 1 {
log.Error("Too many arguments given")
return errors.New("too many arguments")
}
// Use the HEAD root as the default
head := chain.CurrentBlock()
if head == nil {
log.Error("Head block is missing")
return errors.New("head block is missing")
}
var (
root common.Hash
err error
@ -336,8 +331,8 @@ func traverseRawState(ctx *cli.Context) error {
}
log.Info("Start traversing the state", "root", root)
} else {
root = head.Root()
log.Info("Start traversing the state", "root", root, "number", head.NumberU64())
root = headBlock.Root()
log.Info("Start traversing the state", "root", root, "number", headBlock.NumberU64())
}
triedb := trie.NewDatabase(chaindb)
t, err := trie.NewSecure(root, triedb)

22
cmd/utils/flags.go
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@ -1628,7 +1628,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
if ctx.GlobalIsSet(DataDirFlag.Name) {
// Check if we have an already initialized chain and fall back to
// that if so. Otherwise we need to generate a new genesis spec.
chaindb := MakeChainDatabase(ctx, stack)
chaindb := MakeChainDatabase(ctx, stack, true)
if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) {
cfg.Genesis = nil // fallback to db content
}
@ -1749,7 +1749,7 @@ func SplitTagsFlag(tagsFlag string) map[string]string {
}
// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
func MakeChainDatabase(ctx *cli.Context, stack *node.Node, readonly bool) ethdb.Database {
var (
cache = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheDatabaseFlag.Name) / 100
handles = MakeDatabaseHandles()
@ -1759,10 +1759,10 @@ func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
)
if ctx.GlobalString(SyncModeFlag.Name) == "light" {
name := "lightchaindata"
chainDb, err = stack.OpenDatabase(name, cache, handles, "")
chainDb, err = stack.OpenDatabase(name, cache, handles, "", readonly)
} else {
name := "chaindata"
chainDb, err = stack.OpenDatabaseWithFreezer(name, cache, handles, ctx.GlobalString(AncientFlag.Name), "")
chainDb, err = stack.OpenDatabaseWithFreezer(name, cache, handles, ctx.GlobalString(AncientFlag.Name), "", readonly)
}
if err != nil {
Fatalf("Could not open database: %v", err)
@ -1790,9 +1790,9 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
}
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context, stack *node.Node, readOnly bool) (chain *core.BlockChain, chainDb ethdb.Database) {
func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chainDb ethdb.Database) {
var err error
chainDb = MakeChainDatabase(ctx, stack)
chainDb = MakeChainDatabase(ctx, stack, false) // TODO(rjl493456442) support read-only database
config, _, err := core.SetupGenesisBlock(chainDb, MakeGenesis(ctx))
if err != nil {
Fatalf("%v", err)
@ -1841,12 +1841,10 @@ func MakeChain(ctx *cli.Context, stack *node.Node, readOnly bool) (chain *core.B
cache.TrieDirtyLimit = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheGCFlag.Name) / 100
}
vmcfg := vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)}
var limit *uint64
if ctx.GlobalIsSet(TxLookupLimitFlag.Name) && !readOnly {
l := ctx.GlobalUint64(TxLookupLimitFlag.Name)
limit = &l
}
chain, err = core.NewBlockChain(chainDb, cache, config, engine, vmcfg, nil, limit)
// TODO(rjl493456442) disable snapshot generation/wiping if the chain is read only.
// Disable transaction indexing/unindexing by default.
chain, err = core.NewBlockChain(chainDb, cache, config, engine, vmcfg, nil, nil)
if err != nil {
Fatalf("Can't create BlockChain: %v", err)
}

8
core/bench_test.go
Unescape View File

@ -157,7 +157,7 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
b.Fatalf("cannot create temporary directory: %v", err)
}
defer os.RemoveAll(dir)
db, err = rawdb.NewLevelDBDatabase(dir, 128, 128, "")
db, err = rawdb.NewLevelDBDatabase(dir, 128, 128, "", false)
if err != nil {
b.Fatalf("cannot create temporary database: %v", err)
}
@ -255,7 +255,7 @@ func benchWriteChain(b *testing.B, full bool, count uint64) {
if err != nil {
b.Fatalf("cannot create temporary directory: %v", err)
}
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "")
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
if err != nil {
b.Fatalf("error opening database at %v: %v", dir, err)
}
@ -272,7 +272,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) {
}
defer os.RemoveAll(dir)
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "")
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
if err != nil {
b.Fatalf("error opening database at %v: %v", dir, err)
}
@ -283,7 +283,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) {
b.ResetTimer()
for i := 0; i < b.N; i++ {
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "")
db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
if err != nil {
b.Fatalf("error opening database at %v: %v", dir, err)
}

6
core/blockchain_repair_test.go
Unescape View File

@ -1762,7 +1762,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
}
os.RemoveAll(datadir)
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "")
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
if err != nil {
t.Fatalf("Failed to create persistent database: %v", err)
}
@ -1817,7 +1817,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
}
// Force run a freeze cycle
type freezer interface {
Freeze(threshold uint64)
Freeze(threshold uint64) error
Ancients() (uint64, error)
}
db.(freezer).Freeze(tt.freezeThreshold)
@ -1830,7 +1830,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
db.Close()
// Start a new blockchain back up and see where the repait leads us
db, err = rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "")
db, err = rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
if err != nil {
t.Fatalf("Failed to reopen persistent database: %v", err)
}

4
core/blockchain_sethead_test.go
Unescape View File

@ -1961,7 +1961,7 @@ func testSetHead(t *testing.T, tt *rewindTest, snapshots bool) {
}
os.RemoveAll(datadir)
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "")
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
if err != nil {
t.Fatalf("Failed to create persistent database: %v", err)
}
@ -2023,7 +2023,7 @@ func testSetHead(t *testing.T, tt *rewindTest, snapshots bool) {
}
// Force run a freeze cycle
type freezer interface {
Freeze(threshold uint64)
Freeze(threshold uint64) error
Ancients() (uint64, error)
}
db.(freezer).Freeze(tt.freezeThreshold)

4
core/blockchain_snapshot_test.go
Unescape View File

@ -65,7 +65,7 @@ func (basic *snapshotTestBasic) prepare(t *testing.T) (*BlockChain, []*types.Blo
}
os.RemoveAll(datadir)
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "")
db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
if err != nil {
t.Fatalf("Failed to create persistent database: %v", err)
}
@ -261,7 +261,7 @@ func (snaptest *crashSnapshotTest) test(t *testing.T) {
db.Close()
// Start a new blockchain back up and see where the repair leads us
newdb, err := rawdb.NewLevelDBDatabaseWithFreezer(snaptest.datadir, 0, 0, snaptest.datadir, "")
newdb, err := rawdb.NewLevelDBDatabaseWithFreezer(snaptest.datadir, 0, 0, snaptest.datadir, "", false)
if err != nil {
t.Fatalf("Failed to reopen persistent database: %v", err)
}

18
core/blockchain_test.go
Unescape View File

@ -651,7 +651,7 @@ func TestFastVsFullChains(t *testing.T) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -725,7 +725,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(dir)
db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), dir, "")
db, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), dir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -1592,7 +1592,7 @@ func TestBlockchainRecovery(t *testing.T) {
}
defer os.Remove(frdir)
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -1649,7 +1649,7 @@ func TestIncompleteAncientReceiptChainInsertion(t *testing.T) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -1848,7 +1848,7 @@ func testInsertKnownChainData(t *testing.T, typ string) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(dir)
chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), dir, "")
chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), dir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -2128,7 +2128,7 @@ func TestTransactionIndices(t *testing.T) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -2156,7 +2156,7 @@ func TestTransactionIndices(t *testing.T) {
// Init block chain with external ancients, check all needed indices has been indexed.
limit := []uint64{0, 32, 64, 128}
for _, l := range limit {
ancientDb, err = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -2176,7 +2176,7 @@ func TestTransactionIndices(t *testing.T) {
}
// Reconstruct a block chain which only reserves HEAD-64 tx indices
ancientDb, err = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err = rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
@ -2255,7 +2255,7 @@ func TestSkipStaleTxIndicesInFastSync(t *testing.T) {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "")
ancientDb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}

26
core/rawdb/accessors_chain.go
Unescape View File

@ -825,3 +825,29 @@ func FindCommonAncestor(db ethdb.Reader, a, b *types.Header) *types.Header {
}
return a
}
// ReadHeadHeader returns the current canonical head header.
func ReadHeadHeader(db ethdb.Reader) *types.Header {
headHeaderHash := ReadHeadHeaderHash(db)
if headHeaderHash == (common.Hash{}) {
return nil
}
headHeaderNumber := ReadHeaderNumber(db, headHeaderHash)
if headHeaderNumber == nil {
return nil
}
return ReadHeader(db, headHeaderHash, *headHeaderNumber)
}
// ReadHeadHeader returns the current canonical head block.
func ReadHeadBlock(db ethdb.Reader) *types.Block {
headBlockHash := ReadHeadBlockHash(db)
if headBlockHash == (common.Hash{}) {
return nil
}
headBlockNumber := ReadHeaderNumber(db, headBlockHash)
if headBlockNumber == nil {
return nil
}
return ReadBlock(db, headBlockHash, *headBlockNumber)
}

2
core/rawdb/accessors_chain_test.go
Unescape View File

@ -440,7 +440,7 @@ func TestAncientStorage(t *testing.T) {
}
defer os.Remove(frdir)
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "")
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create database with ancient backend")
}

25
core/rawdb/database.go
Unescape View File

@ -57,7 +57,10 @@ func (frdb *freezerdb) Close() error {
// 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) {
func (frdb *freezerdb) Freeze(threshold uint64) error {
if frdb.AncientStore.(*freezer).readonly {
return errReadOnly
}
// Set the freezer threshold to a temporary value
defer func(old uint64) {
atomic.StoreUint64(&frdb.AncientStore.(*freezer).threshold, old)
@ -68,6 +71,7 @@ func (frdb *freezerdb) Freeze(threshold uint64) {
trigger := make(chan struct{}, 1)
frdb.AncientStore.(*freezer).trigger <- trigger
<-trigger
return nil
}
// nofreezedb is a database wrapper that disables freezer data retrievals.
@ -121,9 +125,9 @@ func NewDatabase(db ethdb.KeyValueStore) ethdb.Database {
// NewDatabaseWithFreezer creates a high level database on top of a given key-
// value data store with a freezer moving immutable chain segments into cold
// storage.
func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace string) (ethdb.Database, error) {
func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace string, readonly bool) (ethdb.Database, error) {
// Create the idle freezer instance
frdb, err := newFreezer(freezer, namespace)
frdb, err := newFreezer(freezer, namespace, readonly)
if err != nil {
return nil, err
}
@ -192,8 +196,9 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace st
}
}
// Freezer is consistent with the key-value database, permit combining the two
go frdb.freeze(db)
if !frdb.readonly {
go frdb.freeze(db)
}
return &freezerdb{
KeyValueStore: db,
AncientStore: frdb,
@ -215,8 +220,8 @@ func NewMemoryDatabaseWithCap(size int) ethdb.Database {
// NewLevelDBDatabase creates a persistent key-value database without a freezer
// moving immutable chain segments into cold storage.
func NewLevelDBDatabase(file string, cache int, handles int, namespace string) (ethdb.Database, error) {
db, err := leveldb.New(file, cache, handles, namespace)
func NewLevelDBDatabase(file string, cache int, handles int, namespace string, readonly bool) (ethdb.Database, error) {
db, err := leveldb.New(file, cache, handles, namespace, readonly)
if err != nil {
return nil, err
}
@ -225,12 +230,12 @@ func NewLevelDBDatabase(file string, cache int, handles int, namespace string) (
// NewLevelDBDatabaseWithFreezer creates a persistent key-value database with a
// freezer moving immutable chain segments into cold storage.
func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, freezer string, namespace string) (ethdb.Database, error) {
kvdb, err := leveldb.New(file, cache, handles, namespace)
func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, freezer string, namespace string, readonly bool) (ethdb.Database, error) {
kvdb, err := leveldb.New(file, cache, handles, namespace, readonly)
if err != nil {
return nil, err
}
frdb, err := NewDatabaseWithFreezer(kvdb, freezer, namespace)
frdb, err := NewDatabaseWithFreezer(kvdb, freezer, namespace, readonly)
if err != nil {
kvdb.Close()
return nil, err

18
core/rawdb/freezer.go
Unescape View File

@ -35,6 +35,10 @@ import (
)
var (
// errReadOnly is returned if the freezer is opened in read only mode. All the
// mutations are disallowed.
errReadOnly = errors.New("read only")
// errUnknownTable is returned if the user attempts to read from a table that is
// not tracked by the freezer.
errUnknownTable = errors.New("unknown table")
@ -73,6 +77,7 @@ type freezer struct {
frozen uint64 // Number of blocks already frozen
threshold uint64 // Number of recent blocks not to freeze (params.FullImmutabilityThreshold apart from tests)
readonly bool
tables map[string]*freezerTable // Data tables for storing everything
instanceLock fileutil.Releaser // File-system lock to prevent double opens
@ -84,7 +89,7 @@ type freezer struct {
// newFreezer creates a chain freezer that moves ancient chain data into
// append-only flat file containers.
func newFreezer(datadir string, namespace string) (*freezer, error) {
func newFreezer(datadir string, namespace string, readonly bool) (*freezer, error) {
// Create the initial freezer object
var (
readMeter = metrics.NewRegisteredMeter(namespace+"ancient/read", nil)
@ -106,6 +111,7 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
}
// Open all the supported data tables
freezer := &freezer{
readonly: readonly,
threshold: params.FullImmutabilityThreshold,
tables: make(map[string]*freezerTable),
instanceLock: lock,
@ -130,7 +136,7 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
lock.Release()
return nil, err
}
log.Info("Opened ancient database", "database", datadir)
log.Info("Opened ancient database", "database", datadir, "readonly", readonly)
return freezer, nil
}
@ -138,7 +144,7 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
func (f *freezer) Close() error {
var errs []error
f.closeOnce.Do(func() {
f.quit <- struct{}{}
close(f.quit)
for _, table := range f.tables {
if err := table.Close(); err != nil {
errs = append(errs, err)
@ -191,6 +197,9 @@ func (f *freezer) AncientSize(kind string) (uint64, error) {
// injection will be rejected. But if two injections with same number happen at
// the same time, we can get into the trouble.
func (f *freezer) AppendAncient(number uint64, hash, header, body, receipts, td []byte) (err error) {
if f.readonly {
return errReadOnly
}
// Ensure the binary blobs we are appending is continuous with freezer.
if atomic.LoadUint64(&f.frozen) != number {
return errOutOrderInsertion
@ -233,6 +242,9 @@ func (f *freezer) AppendAncient(number uint64, hash, header, body, receipts, td
// TruncateAncients discards any recent data above the provided threshold number.
func (f *freezer) TruncateAncients(items uint64) error {
if f.readonly {
return errReadOnly
}
if atomic.LoadUint64(&f.frozen) <= items {
return nil
}

36
core/state/pruner/pruner.go
Unescape View File

@ -85,8 +85,12 @@ type Pruner struct {
}
// NewPruner creates the pruner instance.
func NewPruner(db ethdb.Database, headHeader *types.Header, datadir, trieCachePath string, bloomSize uint64) (*Pruner, error) {
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headHeader.Root, false, false, false)
func NewPruner(db ethdb.Database, datadir, trieCachePath string, bloomSize uint64) (*Pruner, error) {
headBlock := rawdb.ReadHeadBlock(db)
if headBlock == nil {
return nil, errors.New("Failed to load head block")
}
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headBlock.Root(), false, false, false)
if err != nil {
return nil, err // The relevant snapshot(s) might not exist
}
@ -104,7 +108,7 @@ func NewPruner(db ethdb.Database, headHeader *types.Header, datadir, trieCachePa
stateBloom: stateBloom,
datadir: datadir,
trieCachePath: trieCachePath,
headHeader: headHeader,
headHeader: headBlock.Header(),
snaptree: snaptree,
}, nil
}
@ -350,9 +354,9 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
if stateBloomPath == "" {
return nil // nothing to recover
}
headHeader, err := getHeadHeader(db)
if err != nil {
return err
headBlock := rawdb.ReadHeadBlock(db)
if headBlock == nil {
return errors.New("Failed to load head block")
}
// Initialize the snapshot tree in recovery mode to handle this special case:
// - Users run the `prune-state` command multiple times
@ -362,7 +366,7 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
// - The state HEAD is rewound already because of multiple incomplete `prune-state`
// In this case, even the state HEAD is not exactly matched with snapshot, it
// still feasible to recover the pruning correctly.
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headHeader.Root, false, false, true)
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headBlock.Root(), false, false, true)
if err != nil {
return err // The relevant snapshot(s) might not exist
}
@ -382,7 +386,7 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
// otherwise the dangling state will be left.
var (
found bool
layers = snaptree.Snapshots(headHeader.Root, 128, true)
layers = snaptree.Snapshots(headBlock.Root(), 128, true)
middleRoots = make(map[common.Hash]struct{})
)
for _, layer := range layers {
@ -506,22 +510,6 @@ func findBloomFilter(datadir string) (string, common.Hash, error) {
return stateBloomPath, stateBloomRoot, nil
}
func getHeadHeader(db ethdb.Database) (*types.Header, error) {
headHeaderHash := rawdb.ReadHeadBlockHash(db)
if headHeaderHash == (common.Hash{}) {
return nil, errors.New("empty head block hash")
}
headHeaderNumber := rawdb.ReadHeaderNumber(db, headHeaderHash)
if headHeaderNumber == nil {
return nil, errors.New("empty head block number")
}
headHeader := rawdb.ReadHeader(db, headHeaderHash, *headHeaderNumber)
if headHeader == nil {
return nil, errors.New("empty head header")
}
return headHeader, nil
}
const warningLog = `
WARNING!

2
core/state/snapshot/disklayer_test.go
Unescape View File

@ -524,7 +524,7 @@ func TestDiskSeek(t *testing.T) {
t.Fatal(err)
} else {
defer os.RemoveAll(dir)
diskdb, err := leveldb.New(dir, 256, 0, "")
diskdb, err := leveldb.New(dir, 256, 0, "", false)
if err != nil {
t.Fatal(err)
}

2
eth/backend.go
Unescape View File

@ -122,7 +122,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
log.Info("Allocated trie memory caches", "clean", common.StorageSize(config.TrieCleanCache)*1024*1024, "dirty", common.StorageSize(config.TrieDirtyCache)*1024*1024)
// Assemble the Ethereum object
chainDb, err := stack.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/")
chainDb, err := stack.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/", false)
if err != nil {
return nil, err
}

6
eth/filters/bench_test.go
Unescape View File

@ -65,7 +65,7 @@ func benchmarkBloomBits(b *testing.B, sectionSize uint64) {
benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
b.Log("Running bloombits benchmark section size:", sectionSize)
db, err := rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "")
db, err := rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "", false)
if err != nil {
b.Fatalf("error opening database at %v: %v", benchDataDir, err)
}
@ -126,7 +126,7 @@ func benchmarkBloomBits(b *testing.B, sectionSize uint64) {
for i := 0; i < benchFilterCnt; i++ {
if i%20 == 0 {
db.Close()
db, _ = rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "")
db, _ = rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "", false)
backend = &testBackend{db: db, sections: cnt}
}
var addr common.Address
@ -157,7 +157,7 @@ func clearBloomBits(db ethdb.Database) {
func BenchmarkNoBloomBits(b *testing.B) {
benchDataDir := node.DefaultDataDir() + "/geth/chaindata"
b.Log("Running benchmark without bloombits")
db, err := rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "")
db, err := rawdb.NewLevelDBDatabase(benchDataDir, 128, 1024, "", false)
if err != nil {
b.Fatalf("error opening database at %v: %v", benchDataDir, err)
}

4
eth/filters/filter_test.go
Unescape View File

@ -49,7 +49,7 @@ func BenchmarkFilters(b *testing.B) {
defer os.RemoveAll(dir)
var (
db, _ = rawdb.NewLevelDBDatabase(dir, 0, 0, "")
db, _ = rawdb.NewLevelDBDatabase(dir, 0, 0, "", false)
backend = &testBackend{db: db}
key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
addr1 = crypto.PubkeyToAddress(key1.PublicKey)
@ -103,7 +103,7 @@ func TestFilters(t *testing.T) {
defer os.RemoveAll(dir)
var (
db, _ = rawdb.NewLevelDBDatabase(dir, 0, 0, "")
db, _ = rawdb.NewLevelDBDatabase(dir, 0, 0, "", false)
backend = &testBackend{db: db}
key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
addr = crypto.PubkeyToAddress(key1.PublicKey)

2
eth/protocols/eth/protocol_test.go
Unescape View File

@ -178,7 +178,7 @@ func TestEth66Messages(t *testing.T) {
// init the receipts
{
receipts = []*types.Receipt{
&types.Receipt{
{
Status: types.ReceiptStatusFailed,
CumulativeGasUsed: 1,
Logs: []*types.Log{

5
ethdb/leveldb/leveldb.go
Unescape View File

@ -83,7 +83,7 @@ type Database struct {
// New returns a wrapped LevelDB object. The namespace is the prefix that the
// metrics reporting should use for surfacing internal stats.
func New(file string, cache int, handles int, namespace string) (*Database, error) {
func New(file string, cache int, handles int, namespace string, readonly bool) (*Database, error) {
return NewCustom(file, namespace, func(options *opt.Options) {
// Ensure we have some minimal caching and file guarantees
if cache < minCache {
@ -96,6 +96,9 @@ func New(file string, cache int, handles int, namespace string) (*Database, erro
options.OpenFilesCacheCapacity = handles
options.BlockCacheCapacity = cache / 2 * opt.MiB
options.WriteBuffer = cache / 4 * opt.MiB // Two of these are used internally
if readonly {
options.ReadOnly = true
}
})
}

4
les/client.go
Unescape View File

@ -80,11 +80,11 @@ type LightEthereum struct {
// New creates an instance of the light client.
func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) {
chainDb, err := stack.OpenDatabase("lightchaindata", config.DatabaseCache, config.DatabaseHandles, "eth/db/chaindata/")
chainDb, err := stack.OpenDatabase("lightchaindata", config.DatabaseCache, config.DatabaseHandles, "eth/db/chaindata/", false)
if err != nil {
return nil, err
}
lesDb, err := stack.OpenDatabase("les.client", 0, 0, "eth/db/lesclient/")
lesDb, err := stack.OpenDatabase("les.client", 0, 0, "eth/db/lesclient/", false)
if err != nil {
return nil, err
}

2
les/server.go
Unescape View File

@ -87,7 +87,7 @@ type LesServer struct {
}
func NewLesServer(node *node.Node, e ethBackend, config *ethconfig.Config) (*LesServer, error) {
lesDb, err := node.OpenDatabase("les.server", 0, 0, "eth/db/lesserver/")
lesDb, err := node.OpenDatabase("les.server", 0, 0, "eth/db/lesserver/", false)
if err != nil {
return nil, err
}

8
node/node.go
Unescape View File

@ -547,7 +547,7 @@ func (n *Node) EventMux() *event.TypeMux {
// OpenDatabase opens an existing database with the given name (or creates one if no
// previous can be found) from within the node's instance directory. If the node is
// ephemeral, a memory database is returned.
func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (ethdb.Database, error) {
func (n *Node) OpenDatabase(name string, cache, handles int, namespace string, readonly bool) (ethdb.Database, error) {
n.lock.Lock()
defer n.lock.Unlock()
if n.state == closedState {
@ -559,7 +559,7 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (
if n.config.DataDir == "" {
db = rawdb.NewMemoryDatabase()
} else {
db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace)
db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace, readonly)
}
if err == nil {
@ -573,7 +573,7 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (
// also attaching a chain freezer to it that moves ancient chain data from the
// database to immutable append-only files. If the node is an ephemeral one, a
// memory database is returned.
func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer, namespace string) (ethdb.Database, error) {
func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer, namespace string, readonly bool) (ethdb.Database, error) {
n.lock.Lock()
defer n.lock.Unlock()
if n.state == closedState {
@ -592,7 +592,7 @@ func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer,
case !filepath.IsAbs(freezer):
freezer = n.ResolvePath(freezer)
}
db, err = rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
db, err = rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace, readonly)
}
if err == nil {

6
node/node_test.go
Unescape View File

@ -158,7 +158,7 @@ func TestNodeCloseClosesDB(t *testing.T) {
stack, _ := New(testNodeConfig())
defer stack.Close()
db, err := stack.OpenDatabase("mydb", 0, 0, "")
db, err := stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}
@ -181,7 +181,7 @@ func TestNodeOpenDatabaseFromLifecycleStart(t *testing.T) {
var err error
stack.RegisterLifecycle(&InstrumentedService{
startHook: func() {
db, err = stack.OpenDatabase("mydb", 0, 0, "")
db, err = stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}
@ -202,7 +202,7 @@ func TestNodeOpenDatabaseFromLifecycleStop(t *testing.T) {
stack.RegisterLifecycle(&InstrumentedService{
stopHook: func() {
db, err := stack.OpenDatabase("mydb", 0, 0, "")
db, err := stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}

2
trie/trie_test.go
Unescape View File

@ -1060,7 +1060,7 @@ func tempDB() (string, *Database) {
if err != nil {
panic(fmt.Sprintf("can't create temporary directory: %v", err))
}
diskdb, err := leveldb.New(dir, 256, 0, "")
diskdb, err := leveldb.New(dir, 256, 0, "", false)
if err != nil {
panic(fmt.Sprintf("can't create temporary database: %v", err))
}

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