f6ac80c507
* cmd/geth: add some missing argument count checks * internal/flags: skip cmds with no action func in MigrateGlobalFlags * internal/flags: add Merge * cmd/devp2p: re-add listener config flags in discv4 commands
458 lines
14 KiB
Go
458 lines
14 KiB
Go
// 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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// 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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"encoding/json"
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"errors"
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"fmt"
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"os"
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"runtime"
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"strconv"
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"sync/atomic"
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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/common/hexutil"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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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/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/node"
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"github.com/urfave/cli/v2"
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)
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var (
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initCommand = &cli.Command{
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Action: initGenesis,
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Name: "init",
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Usage: "Bootstrap and initialize a new genesis block",
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ArgsUsage: "<genesisPath>",
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Flags: utils.DatabasePathFlags,
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Description: `
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The init command initializes a new genesis block and definition for the network.
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This is a destructive action and changes the network in which you will be
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participating.
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It expects the genesis file as argument.`,
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}
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dumpGenesisCommand = &cli.Command{
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Action: dumpGenesis,
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Name: "dumpgenesis",
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Usage: "Dumps genesis block JSON configuration to stdout",
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ArgsUsage: "",
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Flags: utils.NetworkFlags,
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Description: `
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The dumpgenesis command dumps the genesis block configuration in JSON format to stdout.`,
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}
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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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ArgsUsage: "<filename> (<filename 2> ... <filename N>) ",
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Flags: append([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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utils.GCModeFlag,
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utils.SnapshotFlag,
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utils.CacheDatabaseFlag,
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utils.CacheGCFlag,
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utils.MetricsEnabledFlag,
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utils.MetricsEnabledExpensiveFlag,
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utils.MetricsHTTPFlag,
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utils.MetricsPortFlag,
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utils.MetricsEnableInfluxDBFlag,
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utils.MetricsEnableInfluxDBV2Flag,
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utils.MetricsInfluxDBEndpointFlag,
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utils.MetricsInfluxDBDatabaseFlag,
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utils.MetricsInfluxDBUsernameFlag,
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utils.MetricsInfluxDBPasswordFlag,
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utils.MetricsInfluxDBTagsFlag,
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utils.MetricsInfluxDBTokenFlag,
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utils.MetricsInfluxDBBucketFlag,
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utils.MetricsInfluxDBOrganizationFlag,
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utils.TxLookupLimitFlag,
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}, utils.DatabasePathFlags...),
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Description: `
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The import command imports blocks from an RLP-encoded form. The form can be one file
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with several RLP-encoded blocks, or several files can be used.
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If only one file is used, import error will result in failure. If several files are used,
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processing will proceed even if an individual RLP-file import failure occurs.`,
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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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ArgsUsage: "<filename> [<blockNumFirst> <blockNumLast>]",
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Flags: append([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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}, utils.DatabasePathFlags...),
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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. If the file ends with .gz, the output will
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be gzipped.`,
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}
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importPreimagesCommand = &cli.Command{
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Action: importPreimages,
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Name: "import-preimages",
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Usage: "Import the preimage database from an RLP stream",
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ArgsUsage: "<datafile>",
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Flags: append([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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}, utils.DatabasePathFlags...),
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Description: `
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The import-preimages command imports hash preimages from an RLP encoded stream.
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It's deprecated, please use "geth db import" instead.
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`,
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}
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exportPreimagesCommand = &cli.Command{
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Action: exportPreimages,
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Name: "export-preimages",
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Usage: "Export the preimage database into an RLP stream",
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ArgsUsage: "<dumpfile>",
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Flags: append([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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}, utils.DatabasePathFlags...),
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Description: `
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The export-preimages command exports hash preimages to an RLP encoded stream.
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It's deprecated, please use "geth db export" instead.
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`,
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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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ArgsUsage: "[? <blockHash> | <blockNum>]",
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Flags: append([]cli.Flag{
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utils.CacheFlag,
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utils.IterativeOutputFlag,
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utils.ExcludeCodeFlag,
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utils.ExcludeStorageFlag,
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utils.IncludeIncompletesFlag,
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utils.StartKeyFlag,
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utils.DumpLimitFlag,
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}, utils.DatabasePathFlags...),
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Description: `
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This command dumps out the state for a given block (or latest, if none provided).
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`,
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}
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)
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// initGenesis will initialise the given JSON format genesis file and writes it as
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// the zero'd block (i.e. genesis) or will fail hard if it can't succeed.
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func initGenesis(ctx *cli.Context) error {
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if ctx.Args().Len() != 1 {
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utils.Fatalf("need genesis.json file as the only argument")
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}
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genesisPath := ctx.Args().First()
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if len(genesisPath) == 0 {
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utils.Fatalf("invalid path to genesis file")
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}
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file, err := os.Open(genesisPath)
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if err != nil {
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utils.Fatalf("Failed to read genesis file: %v", err)
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}
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defer file.Close()
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genesis := new(core.Genesis)
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if err := json.NewDecoder(file).Decode(genesis); err != nil {
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utils.Fatalf("invalid genesis file: %v", err)
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}
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// Open and initialise both full and light databases
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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for _, name := range []string{"chaindata", "lightchaindata"} {
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chaindb, err := stack.OpenDatabaseWithFreezer(name, 0, 0, ctx.String(utils.AncientFlag.Name), "", false)
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if err != nil {
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utils.Fatalf("Failed to open database: %v", err)
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}
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_, hash, err := core.SetupGenesisBlock(chaindb, genesis)
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if err != nil {
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utils.Fatalf("Failed to write genesis block: %v", err)
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}
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chaindb.Close()
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log.Info("Successfully wrote genesis state", "database", name, "hash", hash)
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}
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return nil
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}
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func dumpGenesis(ctx *cli.Context) error {
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// TODO(rjl493456442) support loading from the custom datadir
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genesis := utils.MakeGenesis(ctx)
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if genesis == nil {
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genesis = core.DefaultGenesisBlock()
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}
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if err := json.NewEncoder(os.Stdout).Encode(genesis); err != nil {
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utils.Fatalf("could not encode genesis")
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}
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return nil
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}
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func importChain(ctx *cli.Context) error {
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if ctx.Args().Len() < 1 {
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utils.Fatalf("This command requires an argument.")
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}
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// Start metrics export if enabled
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utils.SetupMetrics(ctx)
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// Start system runtime metrics collection
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go metrics.CollectProcessMetrics(3 * time.Second)
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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chain, db := utils.MakeChain(ctx, stack)
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defer db.Close()
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// Start periodically gathering memory profiles
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var peakMemAlloc, peakMemSys uint64
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go func() {
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stats := new(runtime.MemStats)
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for {
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runtime.ReadMemStats(stats)
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if atomic.LoadUint64(&peakMemAlloc) < stats.Alloc {
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atomic.StoreUint64(&peakMemAlloc, stats.Alloc)
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}
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if atomic.LoadUint64(&peakMemSys) < stats.Sys {
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atomic.StoreUint64(&peakMemSys, stats.Sys)
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}
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time.Sleep(5 * time.Second)
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}
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}()
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// Import the chain
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start := time.Now()
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var importErr error
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if ctx.Args().Len() == 1 {
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if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
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importErr = err
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log.Error("Import error", "err", err)
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}
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} else {
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for _, arg := range ctx.Args().Slice() {
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if err := utils.ImportChain(chain, arg); err != nil {
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importErr = err
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log.Error("Import error", "file", arg, "err", err)
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}
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}
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}
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chain.Stop()
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fmt.Printf("Import done in %v.\n\n", time.Since(start))
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// Output pre-compaction stats mostly to see the import trashing
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showLeveldbStats(db)
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// Print the memory statistics used by the importing
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mem := new(runtime.MemStats)
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runtime.ReadMemStats(mem)
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fmt.Printf("Object memory: %.3f MB current, %.3f MB peak\n", float64(mem.Alloc)/1024/1024, float64(atomic.LoadUint64(&peakMemAlloc))/1024/1024)
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fmt.Printf("System memory: %.3f MB current, %.3f MB peak\n", float64(mem.Sys)/1024/1024, float64(atomic.LoadUint64(&peakMemSys))/1024/1024)
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fmt.Printf("Allocations: %.3f million\n", float64(mem.Mallocs)/1000000)
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fmt.Printf("GC pause: %v\n\n", time.Duration(mem.PauseTotalNs))
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if ctx.Bool(utils.NoCompactionFlag.Name) {
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return nil
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}
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// Compact the entire database to more accurately measure disk io and print the stats
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start = time.Now()
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fmt.Println("Compacting entire database...")
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if err := db.Compact(nil, nil); err != nil {
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utils.Fatalf("Compaction failed: %v", err)
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}
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fmt.Printf("Compaction done in %v.\n\n", time.Since(start))
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showLeveldbStats(db)
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return importErr
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}
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func exportChain(ctx *cli.Context) error {
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if ctx.Args().Len() < 1 {
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utils.Fatalf("This command requires an argument.")
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}
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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chain, _ := utils.MakeChain(ctx, stack)
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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 ctx.Args().Len() < 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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if head := chain.CurrentFastBlock(); uint64(last) > head.NumberU64() {
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utils.Fatalf("Export error: block number %d larger than head block %d\n", uint64(last), head.NumberU64())
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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\n", time.Since(start))
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return nil
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}
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// importPreimages imports preimage data from the specified file.
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func importPreimages(ctx *cli.Context) error {
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if ctx.Args().Len() < 1 {
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utils.Fatalf("This command requires an argument.")
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}
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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db := utils.MakeChainDatabase(ctx, stack, false)
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start := time.Now()
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if err := utils.ImportPreimages(db, ctx.Args().First()); err != nil {
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utils.Fatalf("Import error: %v\n", err)
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}
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fmt.Printf("Import done in %v\n", time.Since(start))
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return nil
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}
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// exportPreimages dumps the preimage data to specified json file in streaming way.
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func exportPreimages(ctx *cli.Context) error {
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if ctx.Args().Len() < 1 {
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utils.Fatalf("This command requires an argument.")
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}
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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db := utils.MakeChainDatabase(ctx, stack, true)
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start := time.Now()
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if err := utils.ExportPreimages(db, ctx.Args().First()); 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\n", time.Since(start))
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return nil
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}
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func parseDumpConfig(ctx *cli.Context, stack *node.Node) (*state.DumpConfig, ethdb.Database, common.Hash, error) {
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db := utils.MakeChainDatabase(ctx, stack, true)
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var header *types.Header
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if ctx.NArg() > 1 {
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return nil, nil, common.Hash{}, fmt.Errorf("expected 1 argument (number or hash), got %d", ctx.NArg())
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}
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if ctx.NArg() == 1 {
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arg := ctx.Args().First()
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if hashish(arg) {
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hash := common.HexToHash(arg)
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if number := rawdb.ReadHeaderNumber(db, hash); number != nil {
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header = rawdb.ReadHeader(db, hash, *number)
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} else {
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return nil, nil, common.Hash{}, fmt.Errorf("block %x not found", hash)
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}
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} else {
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number, err := strconv.Atoi(arg)
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if err != nil {
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return nil, nil, common.Hash{}, err
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}
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if hash := rawdb.ReadCanonicalHash(db, uint64(number)); hash != (common.Hash{}) {
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header = rawdb.ReadHeader(db, hash, uint64(number))
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} else {
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return nil, nil, common.Hash{}, fmt.Errorf("header for block %d not found", number)
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}
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}
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} else {
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// Use latest
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header = rawdb.ReadHeadHeader(db)
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}
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if header == nil {
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return nil, nil, common.Hash{}, errors.New("no head block found")
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}
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startArg := common.FromHex(ctx.String(utils.StartKeyFlag.Name))
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var start common.Hash
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switch len(startArg) {
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case 0: // common.Hash
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case 32:
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start = common.BytesToHash(startArg)
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case 20:
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start = crypto.Keccak256Hash(startArg)
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log.Info("Converting start-address to hash", "address", common.BytesToAddress(startArg), "hash", start.Hex())
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default:
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return nil, nil, common.Hash{}, fmt.Errorf("invalid start argument: %x. 20 or 32 hex-encoded bytes required", startArg)
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}
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var conf = &state.DumpConfig{
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SkipCode: ctx.Bool(utils.ExcludeCodeFlag.Name),
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SkipStorage: ctx.Bool(utils.ExcludeStorageFlag.Name),
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OnlyWithAddresses: !ctx.Bool(utils.IncludeIncompletesFlag.Name),
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Start: start.Bytes(),
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Max: ctx.Uint64(utils.DumpLimitFlag.Name),
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}
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log.Info("State dump configured", "block", header.Number, "hash", header.Hash().Hex(),
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"skipcode", conf.SkipCode, "skipstorage", conf.SkipStorage,
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"start", hexutil.Encode(conf.Start), "limit", conf.Max)
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return conf, db, header.Root, nil
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}
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func dump(ctx *cli.Context) error {
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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conf, db, root, err := parseDumpConfig(ctx, stack)
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if err != nil {
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return err
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}
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state, err := state.New(root, state.NewDatabase(db), nil)
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if err != nil {
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return err
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}
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if ctx.Bool(utils.IterativeOutputFlag.Name) {
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state.IterativeDump(conf, json.NewEncoder(os.Stdout))
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} else {
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if conf.OnlyWithAddresses {
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fmt.Fprintf(os.Stderr, "If you want to include accounts with missing preimages, you need iterative output, since"+
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" otherwise the accounts will overwrite each other in the resulting mapping.")
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return fmt.Errorf("incompatible options")
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}
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fmt.Println(string(state.Dump(conf)))
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}
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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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