2015-07-06 19:54:22 -05:00
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// Copyright 2015 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-07-22 11:48:40 -05:00
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2015-07-06 19:54:22 -05:00
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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2015-07-22 11:48:40 -05:00
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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2015-07-06 19:54:22 -05:00
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2015-05-27 06:43:49 -05:00
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package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/console"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/logger/glog"
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2016-06-09 04:44:42 -05:00
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"gopkg.in/urfave/cli.v1"
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)
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var (
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importCommand = cli.Command{
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Action: importChain,
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Name: "import",
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Usage: `import a blockchain file`,
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}
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exportCommand = cli.Command{
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Action: exportChain,
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Name: "export",
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Usage: `export blockchain into file`,
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2015-06-05 23:02:32 -05:00
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Description: `
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Requires a first argument of the file to write to.
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Optional second and third arguments control the first and
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last block to write. In this mode, the file will be appended
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if already existing.
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`,
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}
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upgradedbCommand = cli.Command{
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Action: upgradeDB,
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Name: "upgradedb",
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Usage: "upgrade chainblock database",
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}
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removedbCommand = cli.Command{
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Action: removeDB,
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Name: "removedb",
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Usage: "Remove blockchain and state databases",
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}
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dumpCommand = cli.Command{
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Action: dump,
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Name: "dump",
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Usage: `dump a specific block from storage`,
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Description: `
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The arguments are interpreted as block numbers or hashes.
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Use "ethereum dump 0" to dump the genesis block.
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`,
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}
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)
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2016-06-10 03:23:00 -05:00
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func importChain(ctx *cli.Context) error {
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if len(ctx.Args()) != 1 {
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utils.Fatalf("This command requires an argument.")
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}
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chain, chainDb := utils.MakeChain(ctx)
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start := time.Now()
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err := utils.ImportChain(chain, ctx.Args().First())
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chainDb.Close()
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if err != nil {
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utils.Fatalf("Import error: %v", err)
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}
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fmt.Printf("Import done in %v", time.Since(start))
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return nil
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}
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func exportChain(ctx *cli.Context) error {
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if len(ctx.Args()) < 1 {
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utils.Fatalf("This command requires an argument.")
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}
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chain, _ := utils.MakeChain(ctx)
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start := time.Now()
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var err error
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fp := ctx.Args().First()
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if len(ctx.Args()) < 3 {
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err = utils.ExportChain(chain, fp)
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} else {
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// This can be improved to allow for numbers larger than 9223372036854775807
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first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64)
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last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64)
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if ferr != nil || lerr != nil {
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utils.Fatalf("Export error in parsing parameters: block number not an integer\n")
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}
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if first < 0 || last < 0 {
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utils.Fatalf("Export error: block number must be greater than 0\n")
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}
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err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last))
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}
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if err != nil {
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utils.Fatalf("Export error: %v\n", err)
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}
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fmt.Printf("Export done in %v", time.Since(start))
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return nil
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}
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2016-06-10 03:23:00 -05:00
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func removeDB(ctx *cli.Context) error {
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confirm, err := console.Stdin.PromptConfirm("Remove local database?")
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if err != nil {
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utils.Fatalf("%v", err)
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}
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if confirm {
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fmt.Println("Removing chaindata...")
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start := time.Now()
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2015-08-18 08:56:37 -05:00
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os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "chaindata"))
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fmt.Printf("Removed in %v\n", time.Since(start))
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} else {
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fmt.Println("Operation aborted")
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}
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return nil
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}
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2016-06-10 03:23:00 -05:00
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func upgradeDB(ctx *cli.Context) error {
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glog.Infoln("Upgrading blockchain database")
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2015-08-06 12:57:39 -05:00
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chain, chainDb := utils.MakeChain(ctx)
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bcVersion := core.GetBlockChainVersion(chainDb)
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if bcVersion == 0 {
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bcVersion = core.BlockChainVersion
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}
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// Export the current chain.
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filename := fmt.Sprintf("blockchain_%d_%s.chain", bcVersion, time.Now().Format("20060102_150405"))
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exportFile := filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), filename)
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if err := utils.ExportChain(chain, exportFile); err != nil {
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utils.Fatalf("Unable to export chain for reimport %s", err)
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}
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chainDb.Close()
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os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "chaindata"))
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// Import the chain file.
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chain, chainDb = utils.MakeChain(ctx)
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core.WriteBlockChainVersion(chainDb, core.BlockChainVersion)
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err := utils.ImportChain(chain, exportFile)
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chainDb.Close()
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if err != nil {
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utils.Fatalf("Import error %v (a backup is made in %s, use the import command to import it)", err, exportFile)
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} else {
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os.Remove(exportFile)
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glog.Infoln("Import finished")
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}
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return nil
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}
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2016-06-10 03:23:00 -05:00
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func dump(ctx *cli.Context) error {
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chain, chainDb := utils.MakeChain(ctx)
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for _, arg := range ctx.Args() {
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var block *types.Block
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if hashish(arg) {
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block = chain.GetBlock(common.HexToHash(arg))
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} else {
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num, _ := strconv.Atoi(arg)
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block = chain.GetBlockByNumber(uint64(num))
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}
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if block == nil {
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fmt.Println("{}")
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utils.Fatalf("block not found")
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} else {
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state, err := state.New(block.Root(), chainDb)
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if err != nil {
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utils.Fatalf("could not create new state: %v", err)
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}
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fmt.Printf("%s\n", state.Dump())
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}
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}
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chainDb.Close()
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return nil
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}
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// hashish returns true for strings that look like hashes.
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func hashish(x string) bool {
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_, err := strconv.Atoi(x)
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return err != nil
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}
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2015-09-14 02:35:57 -05:00
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func closeAll(dbs ...ethdb.Database) {
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for _, db := range dbs {
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db.Close()
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}
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}
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