Exemplo n.º 1
0
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))
}
Exemplo n.º 2
0
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")
	}
}
Exemplo n.º 3
0
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")
}
Exemplo n.º 4
0
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()
}
Exemplo n.º 5
0
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
}