func exportChain(ctx *cli.Context) {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an argument.")
}
chain, _ := utils.MakeChain(ctx)
start := time.Now()
var err error
fp := ctx.Args().First()
if len(ctx.Args()) < 3 {
err = utils.ExportChain(chain, fp)
} else {
// This can be improved to allow for numbers larger than 9223372036854775807
first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64)
last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64)
if ferr != nil || lerr != nil {
utils.Fatalf("Export error in parsing parameters: block number not an integer\n")
}
if first < 0 || last < 0 {
utils.Fatalf("Export error: block number must be greater than 0\n")
}
err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last))
}
if err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
}
func upgradeDB(ctx *cli.Context) {
glog.Infoln("Upgrading blockchain database")
chain, chainDb := utils.MakeChain(ctx)
v, _ := chainDb.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)
if err := utils.ExportChain(chain, exportFile); err != nil {
utils.Fatalf("Unable to export chain for reimport %s", err)
}
chainDb.Close()
os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "chaindata"))
// Import the chain file.
chain, chainDb = utils.MakeChain(ctx)
chainDb.Put([]byte("BlockchainVersion"), common.NewValue(core.BlockChainVersion).Bytes())
err := utils.ImportChain(chain, exportFile)
chainDb.Close()
if err != nil {
utils.Fatalf("Import error %v (a backup is made in %s, use the import command to import it)", err, exportFile)
} else {
os.Remove(exportFile)
glog.Infoln("Import finished")
}
}
func upgradeDb(ctx *cli.Context) {
fmt.Println("Upgrade blockchain DB")
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"))
bcVersion := int(common.NewValue(v).Uint())
if bcVersion == 0 {
bcVersion = core.BlockChainVersion
}
filename := fmt.Sprintf("blockchain_%d_%s.chain", bcVersion, time.Now().Format("2006-01-02_15:04:05"))
exportFile := path.Join(ctx.GlobalString(utils.DataDirFlag.Name), filename)
err = utils.ExportChain(ethereum.ChainManager(), exportFile)
if err != nil {
utils.Fatalf("Unable to export chain for reimport %s\n", err)
}
ethereum.BlockDb().Close()
ethereum.StateDb().Close()
ethereum.ExtraDb().Close()
os.RemoveAll(path.Join(ctx.GlobalString(utils.DataDirFlag.Name), "blockchain"))
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)
if err != nil {
utils.Fatalf("Import error %v (a backup is made in %s, use the import command to import it)\n", err, exportFile)
}
// force database flush
ethereum.BlockDb().Close()
ethereum.StateDb().Close()
ethereum.ExtraDb().Close()
os.Remove(exportFile)
fmt.Println("Import finished")
}
func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) == 0 {
fmt.Println("err: require file name")
return otto.FalseValue()
}
fn, err := call.Argument(0).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
if err := utils.ExportChain(js.ethereum.ChainManager(), fn); err != nil {
fmt.Println(err)
return otto.FalseValue()
}
return otto.TrueValue()
}
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()
start := time.Now()
err = utils.ExportChain(chainmgr, ctx.Args().First())
if err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
return
}
