mirror of https://github.com/poanetwork/quorum.git
121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
// Copyright 2017 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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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/log"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"gopkg.in/urfave/cli.v1"
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)
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func dbExport(ctx *cli.Context) {
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args := ctx.Args()
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if len(args) != 3 {
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utils.Fatalf("invalid arguments, please specify both <chunkdb> (path to a local chunk database), <file> (path to write the tar archive to, - for stdout) and the base key")
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}
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store, err := openLDBStore(args[0], common.Hex2Bytes(args[2]))
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if err != nil {
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utils.Fatalf("error opening local chunk database: %s", err)
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}
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defer store.Close()
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var out io.Writer
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if args[1] == "-" {
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out = os.Stdout
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} else {
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f, err := os.Create(args[1])
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if err != nil {
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utils.Fatalf("error opening output file: %s", err)
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}
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defer f.Close()
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out = f
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}
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count, err := store.Export(out)
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if err != nil {
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utils.Fatalf("error exporting local chunk database: %s", err)
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}
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log.Info(fmt.Sprintf("successfully exported %d chunks", count))
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}
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func dbImport(ctx *cli.Context) {
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args := ctx.Args()
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if len(args) != 3 {
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utils.Fatalf("invalid arguments, please specify both <chunkdb> (path to a local chunk database), <file> (path to read the tar archive from, - for stdin) and the base key")
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}
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store, err := openLDBStore(args[0], common.Hex2Bytes(args[2]))
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if err != nil {
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utils.Fatalf("error opening local chunk database: %s", err)
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}
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defer store.Close()
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var in io.Reader
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if args[1] == "-" {
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in = os.Stdin
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} else {
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f, err := os.Open(args[1])
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if err != nil {
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utils.Fatalf("error opening input file: %s", err)
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}
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defer f.Close()
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in = f
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}
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count, err := store.Import(in)
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if err != nil {
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utils.Fatalf("error importing local chunk database: %s", err)
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}
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log.Info(fmt.Sprintf("successfully imported %d chunks", count))
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}
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func dbClean(ctx *cli.Context) {
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args := ctx.Args()
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if len(args) != 2 {
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utils.Fatalf("invalid arguments, please specify <chunkdb> (path to a local chunk database) and the base key")
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}
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store, err := openLDBStore(args[0], common.Hex2Bytes(args[1]))
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if err != nil {
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utils.Fatalf("error opening local chunk database: %s", err)
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}
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defer store.Close()
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store.Cleanup()
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}
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func openLDBStore(path string, basekey []byte) (*storage.LDBStore, error) {
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if _, err := os.Stat(filepath.Join(path, "CURRENT")); err != nil {
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return nil, fmt.Errorf("invalid chunkdb path: %s", err)
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}
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storeparams := storage.NewDefaultStoreParams()
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ldbparams := storage.NewLDBStoreParams(storeparams, path)
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ldbparams.BaseKey = basekey
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return storage.NewLDBStore(ldbparams)
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}
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