cmd/geth, cmd/utils: don't use Ethereum for import, export and upgradedb

The blockchain commands don't need the full stack. With this change,
p2p, miner, downloader, etc are no longer started for blockchain
operations.
This commit is contained in:
Felix Lange 2015-05-27 13:29:34 +02:00
parent 27e0d2a973
commit 3b9808f23c
3 changed files with 73 additions and 135 deletions

@ -41,6 +41,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/mattn/go-colorable"
"github.com/mattn/go-isatty"
)
@ -282,17 +283,12 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.SolcPathFlag,
}
app.Before = func(ctx *cli.Context) error {
utils.SetupLogger(ctx)
if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
utils.StartPProf(ctx)
}
return nil
}
// missing:
// flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
// flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0")
// flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false")
}
func main() {
@ -516,53 +512,25 @@ func importchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
cfg.SkipBcVersionCheck = true
ethereum, err := eth.New(cfg)
if err != nil {
utils.Fatalf("%v\n", err)
}
chainmgr := ethereum.ChainManager()
chain, blockDB, stateDB, extraDB := utils.GetChain(ctx)
start := time.Now()
err = utils.ImportChain(chainmgr, ctx.Args().First())
if err != nil {
if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
utils.Fatalf("Import error: %v\n", err)
}
// force database flush
ethereum.BlockDb().Flush()
ethereum.StateDb().Flush()
ethereum.ExtraDb().Flush()
flushAll(blockDB, stateDB, extraDB)
fmt.Printf("Import done in %v", time.Since(start))
return
}
func exportchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
cfg.SkipBcVersionCheck = true
ethereum, err := eth.New(cfg)
if err != nil {
utils.Fatalf("%v\n", err)
}
chainmgr := ethereum.ChainManager()
chain, _, _, _ := utils.GetChain(ctx)
start := time.Now()
err = utils.ExportChain(chainmgr, ctx.Args().First())
if err != nil {
if err := utils.ExportChain(chain, ctx.Args().First()); err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
return
}
func removeDb(ctx *cli.Context) {
@ -585,76 +553,54 @@ func removeDb(ctx *cli.Context) {
}
func upgradeDb(ctx *cli.Context) {
fmt.Println("Upgrade blockchain DB")
glog.Infoln("Upgrading blockchain database")
cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
cfg.SkipBcVersionCheck = true
ethereum, err := eth.New(cfg)
if err != nil {
utils.Fatalf("%v\n", err)
}
v, _ := ethereum.BlockDb().Get([]byte("BlockchainVersion"))
chain, blockDB, stateDB, extraDB := utils.GetChain(ctx)
v, _ := blockDB.Get([]byte("BlockchainVersion"))
bcVersion := int(common.NewValue(v).Uint())
if bcVersion == 0 {
bcVersion = core.BlockChainVersion
}
// Export the current chain.
filename := fmt.Sprintf("blockchain_%d_%s.chain", bcVersion, time.Now().Format("20060102_150405"))
exportFile := filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), filename)
err = utils.ExportChain(ethereum.ChainManager(), exportFile)
if err != nil {
if err := utils.ExportChain(chain, exportFile); err != nil {
utils.Fatalf("Unable to export chain for reimport %s\n", err)
}
ethereum.BlockDb().Close()
ethereum.StateDb().Close()
ethereum.ExtraDb().Close()
flushAll(blockDB, stateDB, extraDB)
os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "blockchain"))
os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "state"))
ethereum, err = eth.New(cfg)
if err != nil {
utils.Fatalf("%v\n", err)
}
ethereum.BlockDb().Put([]byte("BlockchainVersion"), common.NewValue(core.BlockChainVersion).Bytes())
err = utils.ImportChain(ethereum.ChainManager(), exportFile)
// Import the chain file.
chain, blockDB, stateDB, extraDB = utils.GetChain(ctx)
blockDB.Put([]byte("BlockchainVersion"), common.NewValue(core.BlockChainVersion).Bytes())
err := utils.ImportChain(chain, exportFile)
flushAll(blockDB, stateDB, extraDB)
if err != nil {
utils.Fatalf("Import error %v (a backup is made in %s, use the import command to import it)\n", err, exportFile)
} else {
os.Remove(exportFile)
glog.Infoln("Import finished")
}
// force database flush
ethereum.BlockDb().Flush()
ethereum.StateDb().Flush()
ethereum.ExtraDb().Flush()
os.Remove(exportFile)
fmt.Println("Import finished")
}
func dump(ctx *cli.Context) {
chainmgr, _, stateDb := utils.GetChain(ctx)
chain, _, stateDB, _ := utils.GetChain(ctx)
for _, arg := range ctx.Args() {
var block *types.Block
if hashish(arg) {
block = chainmgr.GetBlock(common.HexToHash(arg))
block = chain.GetBlock(common.HexToHash(arg))
} else {
num, _ := strconv.Atoi(arg)
block = chainmgr.GetBlockByNumber(uint64(num))
block = chain.GetBlockByNumber(uint64(num))
}
if block == nil {
fmt.Println("{}")
utils.Fatalf("block not found")
} else {
statedb := state.New(block.Root(), stateDb)
fmt.Printf("%s\n", statedb.Dump())
state := state.New(block.Root(), stateDB)
fmt.Printf("%s\n", state.Dump())
}
}
}
@ -707,3 +653,10 @@ func hashish(x string) bool {
_, err := strconv.Atoi(x)
return err != nil
}
func flushAll(dbs ...common.Database) {
for _, db := range dbs {
db.Flush()
db.Close()
}
}

@ -167,7 +167,7 @@ func FormatTransactionData(data string) []byte {
}
func ImportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("importing blockchain '%s'\n", fn)
glog.Infoln("Importing blockchain", fn)
fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
if err != nil {
return err
@ -176,43 +176,36 @@ func ImportChain(chainmgr *core.ChainManager, fn string) error {
chainmgr.Reset()
stream := rlp.NewStream(fh, 0)
var i, n int
batchSize := 2500
blocks := make(types.Blocks, batchSize)
for ; ; i++ {
var b types.Block
if err := stream.Decode(&b); err == io.EOF {
break
} else if err != nil {
return fmt.Errorf("at block %d: %v", i, err)
}
blocks[n] = &b
n++
if n == batchSize {
if _, err := chainmgr.InsertChain(blocks); err != nil {
return fmt.Errorf("invalid block %v", err)
n := 0
for {
// Load a batch of RLP blocks.
i := 0
for ; i < batchSize; i++ {
var b types.Block
if err := stream.Decode(&b); err == io.EOF {
break
} else if err != nil {
return fmt.Errorf("at block %d: %v", n, err)
}
n = 0
blocks = make(types.Blocks, batchSize)
blocks[i] = &b
n++
}
if i == 0 {
break
}
// Import the batch.
if _, err := chainmgr.InsertChain(blocks[:i]); err != nil {
return fmt.Errorf("invalid block %d: %v", n, err)
}
}
if n > 0 {
if _, err := chainmgr.InsertChain(blocks[:n]); err != nil {
return fmt.Errorf("invalid block %v", err)
}
}
fmt.Printf("imported %d blocks\n", i)
return nil
}
func ExportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("exporting blockchain '%s'\n", fn)
glog.Infoln("Exporting blockchain to", fn)
fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
return err
@ -221,6 +214,6 @@ func ExportChain(chainmgr *core.ChainManager, fn string) error {
if err := chainmgr.Export(fh); err != nil {
return err
}
fmt.Printf("exported blockchain\n")
glog.Infoln("Exported blockchain to", fn)
return nil
}

@ -283,20 +283,10 @@ func GetNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) {
}
func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
// Set verbosity on glog
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
glog.CopyStandardLogTo("INFO")
// Set the log type
//glog.SetToStderr(ctx.GlobalBool(LogToStdErrFlag.Name))
glog.SetToStderr(true)
// Set the log dir
glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
customName := ctx.GlobalString(IdentityFlag.Name)
if len(customName) > 0 {
clientID += "/" + customName
}
return &eth.Config{
Name: common.MakeName(clientID, version),
DataDir: ctx.GlobalString(DataDirFlag.Name),
@ -327,32 +317,34 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
}
}
func GetChain(ctx *cli.Context) (*core.ChainManager, common.Database, common.Database) {
dataDir := ctx.GlobalString(DataDirFlag.Name)
// SetupLogger configures glog from the logging-related command line flags.
func SetupLogger(ctx *cli.Context) {
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
glog.CopyStandardLogTo("INFO")
glog.SetToStderr(true)
glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
}
blockDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "blockchain"))
if err != nil {
func GetChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, extraDB common.Database) {
dd := ctx.GlobalString(DataDirFlag.Name)
var err error
if blockDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "blockchain")); err != nil {
Fatalf("Could not open database: %v", err)
}
stateDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "state"))
if err != nil {
if stateDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "state")); err != nil {
Fatalf("Could not open database: %v", err)
}
extraDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "extra"))
if err != nil {
if extraDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "extra")); err != nil {
Fatalf("Could not open database: %v", err)
}
eventMux := new(event.TypeMux)
pow := ethash.New()
chainManager := core.NewChainManager(blockDb, stateDb, pow, eventMux)
txPool := core.NewTxPool(eventMux, chainManager.State, chainManager.GasLimit)
blockProcessor := core.NewBlockProcessor(stateDb, extraDb, pow, txPool, chainManager, eventMux)
chainManager.SetProcessor(blockProcessor)
return chainManager, blockDb, stateDb
chain = core.NewChainManager(blockDB, stateDB, pow, eventMux)
txpool := core.NewTxPool(eventMux, chain.State, chain.GasLimit)
proc := core.NewBlockProcessor(stateDB, extraDB, pow, txpool, chain, eventMux)
chain.SetProcessor(proc)
return chain, blockDB, stateDB, extraDB
}
func GetAccountManager(ctx *cli.Context) *accounts.Manager {