d468c333a7
Adds a subcommand: `geth snapshot export-preimages`, to export preimages of every hash found during a snapshot enumeration: that is, it exports _only the active state_, and not _all_ preimages that have been used but are no longer part of the state. This tool is needed for the verkle transition, in order to distribute the preimages needed for the conversion. Since only the 'active' preimages are exported, the output is shrunk from ~70GB to ~4GB. The order of the output is the order used by the snapshot enumeration, which avoids database thrashing. However, it also means that storage-slot preimages are not deduplicated.
491 lines
15 KiB
Go
491 lines
15 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/internal/flags"
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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: flags.Merge([]cli.Flag{
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utils.CachePreimagesFlag,
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utils.OverrideCancun,
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utils.OverrideVerkle,
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}, utils.DatabaseFlags),
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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: append([]cli.Flag{utils.DataDirFlag}, utils.NetworkFlags...),
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Description: `
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The dumpgenesis command prints the genesis configuration of the network preset
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if one is set. Otherwise it prints the genesis from the datadir.`,
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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: flags.Merge([]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.TransactionHistoryFlag,
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utils.StateHistoryFlag,
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}, utils.DatabaseFlags),
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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: flags.Merge([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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}, utils.DatabaseFlags),
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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: flags.Merge([]cli.Flag{
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utils.CacheFlag,
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utils.SyncModeFlag,
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}, utils.DatabaseFlags),
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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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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: flags.Merge([]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.DatabaseFlags),
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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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var overrides core.ChainOverrides
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if ctx.IsSet(utils.OverrideCancun.Name) {
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v := ctx.Uint64(utils.OverrideCancun.Name)
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overrides.OverrideCancun = &v
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}
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if ctx.IsSet(utils.OverrideVerkle.Name) {
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v := ctx.Uint64(utils.OverrideVerkle.Name)
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overrides.OverrideVerkle = &v
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}
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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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defer chaindb.Close()
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triedb := utils.MakeTrieDatabase(ctx, chaindb, ctx.Bool(utils.CachePreimagesFlag.Name), false, genesis.IsVerkle())
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defer triedb.Close()
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_, hash, err := core.SetupGenesisBlockWithOverride(chaindb, triedb, genesis, &overrides)
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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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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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// check if there is a testnet preset enabled
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var genesis *core.Genesis
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if utils.IsNetworkPreset(ctx) {
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genesis = utils.MakeGenesis(ctx)
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} else if ctx.IsSet(utils.DeveloperFlag.Name) && !ctx.IsSet(utils.DataDirFlag.Name) {
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genesis = core.DeveloperGenesisBlock(11_500_000, nil)
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}
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if genesis != nil {
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if err := json.NewEncoder(os.Stdout).Encode(genesis); err != nil {
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utils.Fatalf("could not encode genesis: %s", err)
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}
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return nil
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}
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// dump whatever already exists in the datadir
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stack, _ := makeConfigNode(ctx)
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for _, name := range []string{"chaindata", "lightchaindata"} {
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db, err := stack.OpenDatabase(name, 0, 0, "", true)
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if err != nil {
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if !os.IsNotExist(err) {
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return err
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}
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continue
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}
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genesis, err := core.ReadGenesis(db)
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if err != nil {
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utils.Fatalf("failed to read genesis: %s", err)
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}
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db.Close()
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if err := json.NewEncoder(os.Stdout).Encode(*genesis); err != nil {
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utils.Fatalf("could not encode stored genesis: %s", err)
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}
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return nil
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}
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if ctx.IsSet(utils.DataDirFlag.Name) {
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utils.Fatalf("no existing datadir at %s", stack.Config().DataDir)
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}
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utils.Fatalf("no network preset provided, and no genesis exists in the default datadir")
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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, false)
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defer db.Close()
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// Start periodically gathering memory profiles
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var peakMemAlloc, peakMemSys atomic.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 peakMemAlloc.Load() < stats.Alloc {
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peakMemAlloc.Store(stats.Alloc)
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}
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if peakMemSys.Load() < stats.Sys {
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peakMemSys.Store(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(peakMemAlloc.Load())/1024/1024)
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fmt.Printf("System memory: %.3f MB current, %.3f MB peak\n", float64(mem.Sys)/1024/1024, float64(peakMemSys.Load())/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, db := utils.MakeChain(ctx, stack, true)
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defer db.Close()
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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.CurrentSnapBlock(); uint64(last) > head.Number.Uint64() {
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utils.Fatalf("Export error: block number %d larger than head block %d\n", uint64(last), head.Number.Uint64())
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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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// it is deprecated, and the export function has been removed, but
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// the import function is kept around for the time being so that
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// older file formats can still be imported.
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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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defer db.Close()
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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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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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defer db.Close()
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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.ParseUint(arg, 10, 64)
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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, number); hash != (common.Hash{}) {
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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("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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triedb := utils.MakeTrieDatabase(ctx, db, true, true, false) // always enable preimage lookup
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defer triedb.Close()
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state, err := state.New(root, state.NewDatabaseWithNodeDB(db, triedb), 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.")
|
|
return errors.New("incompatible options")
|
|
}
|
|
fmt.Println(string(state.Dump(conf)))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// hashish returns true for strings that look like hashes.
|
|
func hashish(x string) bool {
|
|
_, err := strconv.Atoi(x)
|
|
return err != nil
|
|
}
|