fe01a2f63b
The EmptyRootHash and EmptyCodeHash are defined everywhere in the codebase, this PR replaces all of them with unified one defined in core/types package, and also defines constants for TxRoot, WithdrawalsRoot and UncleRoot
592 lines
18 KiB
Go
592 lines
18 KiB
Go
// Copyright 2021 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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"bytes"
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"encoding/json"
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"errors"
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"os"
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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/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/state/pruner"
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"github.com/ethereum/go-ethereum/core/state/snapshot"
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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/internal/flags"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/trie"
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cli "github.com/urfave/cli/v2"
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)
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var (
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snapshotCommand = &cli.Command{
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Name: "snapshot",
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Usage: "A set of commands based on the snapshot",
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Description: "",
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Subcommands: []*cli.Command{
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{
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Name: "prune-state",
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Usage: "Prune stale ethereum state data based on the snapshot",
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ArgsUsage: "<root>",
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Action: pruneState,
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Flags: flags.Merge([]cli.Flag{
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utils.CacheTrieJournalFlag,
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utils.BloomFilterSizeFlag,
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}, utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot prune-state <state-root>
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will prune historical state data with the help of the state snapshot.
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All trie nodes and contract codes that do not belong to the specified
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version state will be deleted from the database. After pruning, only
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two version states are available: genesis and the specific one.
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The default pruning target is the HEAD-127 state.
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WARNING: It's necessary to delete the trie clean cache after the pruning.
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If you specify another directory for the trie clean cache via "--cache.trie.journal"
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during the use of Geth, please also specify it here for correct deletion. Otherwise
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the trie clean cache with default directory will be deleted.
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`,
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},
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{
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Name: "verify-state",
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Usage: "Recalculate state hash based on the snapshot for verification",
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ArgsUsage: "<root>",
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Action: verifyState,
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Flags: flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot verify-state <state-root>
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will traverse the whole accounts and storages set based on the specified
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snapshot and recalculate the root hash of state for verification.
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In other words, this command does the snapshot to trie conversion.
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`,
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},
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{
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Name: "check-dangling-storage",
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Usage: "Check that there is no 'dangling' snap storage",
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ArgsUsage: "<root>",
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Action: checkDanglingStorage,
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Flags: flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot check-dangling-storage <state-root> traverses the snap storage
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data, and verifies that all snapshot storage data has a corresponding account.
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`,
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},
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{
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Name: "inspect-account",
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Usage: "Check all snapshot layers for the a specific account",
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ArgsUsage: "<address | hash>",
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Action: checkAccount,
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Flags: flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot inspect-account <address | hash> checks all snapshot layers and prints out
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information about the specified address.
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`,
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},
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{
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Name: "traverse-state",
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Usage: "Traverse the state with given root hash and perform quick verification",
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ArgsUsage: "<root>",
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Action: traverseState,
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Flags: flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot traverse-state <state-root>
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will traverse the whole state from the given state root and will abort if any
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referenced trie node or contract code is missing. This command can be used for
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state integrity verification. The default checking target is the HEAD state.
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It's also usable without snapshot enabled.
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`,
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},
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{
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Name: "traverse-rawstate",
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Usage: "Traverse the state with given root hash and perform detailed verification",
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ArgsUsage: "<root>",
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Action: traverseRawState,
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Flags: flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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geth snapshot traverse-rawstate <state-root>
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will traverse the whole state from the given root and will abort if any referenced
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trie node or contract code is missing. This command can be used for state integrity
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verification. The default checking target is the HEAD state. It's basically identical
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to traverse-state, but the check granularity is smaller.
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It's also usable without snapshot enabled.
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`,
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},
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{
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Name: "dump",
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Usage: "Dump a specific block from storage (same as 'geth dump' but using snapshots)",
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ArgsUsage: "[? <blockHash> | <blockNum>]",
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Action: dumpState,
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Flags: flags.Merge([]cli.Flag{
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utils.ExcludeCodeFlag,
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utils.ExcludeStorageFlag,
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utils.StartKeyFlag,
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utils.DumpLimitFlag,
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}, utils.NetworkFlags, utils.DatabasePathFlags),
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Description: `
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This command is semantically equivalent to 'geth dump', but uses the snapshots
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as the backend data source, making this command a lot faster.
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The argument is interpreted as block number or hash. If none is provided, the latest
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block is used.
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`,
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},
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},
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}
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)
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// Deprecation: this command should be deprecated once the hash-based
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// scheme is deprecated.
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func pruneState(ctx *cli.Context) error {
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stack, config := makeConfigNode(ctx)
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defer stack.Close()
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chaindb := utils.MakeChainDatabase(ctx, stack, false)
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defer chaindb.Close()
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prunerconfig := pruner.Config{
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Datadir: stack.ResolvePath(""),
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Cachedir: stack.ResolvePath(config.Eth.TrieCleanCacheJournal),
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BloomSize: ctx.Uint64(utils.BloomFilterSizeFlag.Name),
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}
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pruner, err := pruner.NewPruner(chaindb, prunerconfig)
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if err != nil {
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log.Error("Failed to open snapshot tree", "err", err)
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return err
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}
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if ctx.NArg() > 1 {
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log.Error("Too many arguments given")
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return errors.New("too many arguments")
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}
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var targetRoot common.Hash
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if ctx.NArg() == 1 {
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targetRoot, err = parseRoot(ctx.Args().First())
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if err != nil {
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log.Error("Failed to resolve state root", "err", err)
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return err
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}
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}
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if err = pruner.Prune(targetRoot); err != nil {
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log.Error("Failed to prune state", "err", err)
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return err
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}
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return nil
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}
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func verifyState(ctx *cli.Context) error {
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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chaindb := utils.MakeChainDatabase(ctx, stack, true)
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defer chaindb.Close()
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headBlock := rawdb.ReadHeadBlock(chaindb)
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if headBlock == nil {
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log.Error("Failed to load head block")
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return errors.New("no head block")
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}
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snapconfig := snapshot.Config{
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CacheSize: 256,
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Recovery: false,
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NoBuild: true,
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AsyncBuild: false,
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}
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snaptree, err := snapshot.New(snapconfig, chaindb, trie.NewDatabase(chaindb), headBlock.Root())
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if err != nil {
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log.Error("Failed to open snapshot tree", "err", err)
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return err
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}
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if ctx.NArg() > 1 {
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log.Error("Too many arguments given")
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return errors.New("too many arguments")
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}
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var root = headBlock.Root()
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if ctx.NArg() == 1 {
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root, err = parseRoot(ctx.Args().First())
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if err != nil {
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log.Error("Failed to resolve state root", "err", err)
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return err
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}
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}
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if err := snaptree.Verify(root); err != nil {
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log.Error("Failed to verify state", "root", root, "err", err)
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return err
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}
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log.Info("Verified the state", "root", root)
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return snapshot.CheckDanglingStorage(chaindb)
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}
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// checkDanglingStorage iterates the snap storage data, and verifies that all
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// storage also has corresponding account data.
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func checkDanglingStorage(ctx *cli.Context) error {
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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return snapshot.CheckDanglingStorage(utils.MakeChainDatabase(ctx, stack, true))
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}
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// traverseState is a helper function used for pruning verification.
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// Basically it just iterates the trie, ensure all nodes and associated
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// contract codes are present.
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func traverseState(ctx *cli.Context) error {
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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chaindb := utils.MakeChainDatabase(ctx, stack, true)
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headBlock := rawdb.ReadHeadBlock(chaindb)
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if headBlock == nil {
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log.Error("Failed to load head block")
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return errors.New("no head block")
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}
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if ctx.NArg() > 1 {
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log.Error("Too many arguments given")
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return errors.New("too many arguments")
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}
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var (
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root common.Hash
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err error
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)
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if ctx.NArg() == 1 {
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root, err = parseRoot(ctx.Args().First())
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if err != nil {
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log.Error("Failed to resolve state root", "err", err)
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return err
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}
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log.Info("Start traversing the state", "root", root)
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} else {
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root = headBlock.Root()
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log.Info("Start traversing the state", "root", root, "number", headBlock.NumberU64())
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}
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triedb := trie.NewDatabase(chaindb)
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t, err := trie.NewStateTrie(trie.StateTrieID(root), triedb)
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if err != nil {
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log.Error("Failed to open trie", "root", root, "err", err)
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return err
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}
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var (
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accounts int
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slots int
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codes int
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lastReport time.Time
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start = time.Now()
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)
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accIter := trie.NewIterator(t.NodeIterator(nil))
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for accIter.Next() {
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accounts += 1
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var acc types.StateAccount
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if err := rlp.DecodeBytes(accIter.Value, &acc); err != nil {
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log.Error("Invalid account encountered during traversal", "err", err)
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return err
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}
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if acc.Root != types.EmptyRootHash {
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id := trie.StorageTrieID(root, common.BytesToHash(accIter.Key), acc.Root)
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storageTrie, err := trie.NewStateTrie(id, triedb)
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if err != nil {
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log.Error("Failed to open storage trie", "root", acc.Root, "err", err)
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return err
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}
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storageIter := trie.NewIterator(storageTrie.NodeIterator(nil))
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for storageIter.Next() {
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slots += 1
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}
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if storageIter.Err != nil {
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log.Error("Failed to traverse storage trie", "root", acc.Root, "err", storageIter.Err)
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return storageIter.Err
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}
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}
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if !bytes.Equal(acc.CodeHash, types.EmptyCodeHash.Bytes()) {
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if !rawdb.HasCode(chaindb, common.BytesToHash(acc.CodeHash)) {
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log.Error("Code is missing", "hash", common.BytesToHash(acc.CodeHash))
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return errors.New("missing code")
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}
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codes += 1
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}
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if time.Since(lastReport) > time.Second*8 {
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log.Info("Traversing state", "accounts", accounts, "slots", slots, "codes", codes, "elapsed", common.PrettyDuration(time.Since(start)))
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lastReport = time.Now()
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}
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}
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if accIter.Err != nil {
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log.Error("Failed to traverse state trie", "root", root, "err", accIter.Err)
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return accIter.Err
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}
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log.Info("State is complete", "accounts", accounts, "slots", slots, "codes", codes, "elapsed", common.PrettyDuration(time.Since(start)))
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return nil
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}
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// traverseRawState is a helper function used for pruning verification.
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// Basically it just iterates the trie, ensure all nodes and associated
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// contract codes are present. It's basically identical to traverseState
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// but it will check each trie node.
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func traverseRawState(ctx *cli.Context) error {
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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chaindb := utils.MakeChainDatabase(ctx, stack, true)
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headBlock := rawdb.ReadHeadBlock(chaindb)
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if headBlock == nil {
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log.Error("Failed to load head block")
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return errors.New("no head block")
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}
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if ctx.NArg() > 1 {
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log.Error("Too many arguments given")
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return errors.New("too many arguments")
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}
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var (
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root common.Hash
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err error
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)
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if ctx.NArg() == 1 {
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root, err = parseRoot(ctx.Args().First())
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if err != nil {
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log.Error("Failed to resolve state root", "err", err)
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return err
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}
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log.Info("Start traversing the state", "root", root)
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} else {
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root = headBlock.Root()
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log.Info("Start traversing the state", "root", root, "number", headBlock.NumberU64())
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}
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triedb := trie.NewDatabase(chaindb)
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t, err := trie.NewStateTrie(trie.StateTrieID(root), triedb)
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if err != nil {
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log.Error("Failed to open trie", "root", root, "err", err)
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return err
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}
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var (
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nodes int
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accounts int
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slots int
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codes int
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lastReport time.Time
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start = time.Now()
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hasher = crypto.NewKeccakState()
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got = make([]byte, 32)
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)
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accIter := t.NodeIterator(nil)
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for accIter.Next(true) {
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nodes += 1
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node := accIter.Hash()
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// Check the present for non-empty hash node(embedded node doesn't
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// have their own hash).
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if node != (common.Hash{}) {
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blob := rawdb.ReadLegacyTrieNode(chaindb, node)
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if len(blob) == 0 {
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log.Error("Missing trie node(account)", "hash", node)
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return errors.New("missing account")
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}
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hasher.Reset()
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hasher.Write(blob)
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hasher.Read(got)
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if !bytes.Equal(got, node.Bytes()) {
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log.Error("Invalid trie node(account)", "hash", node.Hex(), "value", blob)
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return errors.New("invalid account node")
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}
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}
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// If it's a leaf node, yes we are touching an account,
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// dig into the storage trie further.
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if accIter.Leaf() {
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accounts += 1
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var acc types.StateAccount
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if err := rlp.DecodeBytes(accIter.LeafBlob(), &acc); err != nil {
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log.Error("Invalid account encountered during traversal", "err", err)
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return errors.New("invalid account")
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}
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if acc.Root != types.EmptyRootHash {
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id := trie.StorageTrieID(root, common.BytesToHash(accIter.LeafKey()), acc.Root)
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storageTrie, err := trie.NewStateTrie(id, triedb)
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if err != nil {
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log.Error("Failed to open storage trie", "root", acc.Root, "err", err)
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return errors.New("missing storage trie")
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}
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storageIter := storageTrie.NodeIterator(nil)
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for storageIter.Next(true) {
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nodes += 1
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node := storageIter.Hash()
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// Check the presence for non-empty hash node(embedded node doesn't
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// have their own hash).
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if node != (common.Hash{}) {
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blob := rawdb.ReadLegacyTrieNode(chaindb, node)
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if len(blob) == 0 {
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log.Error("Missing trie node(storage)", "hash", node)
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return errors.New("missing storage")
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}
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hasher.Reset()
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hasher.Write(blob)
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hasher.Read(got)
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if !bytes.Equal(got, node.Bytes()) {
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log.Error("Invalid trie node(storage)", "hash", node.Hex(), "value", blob)
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return errors.New("invalid storage node")
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}
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}
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// Bump the counter if it's leaf node.
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if storageIter.Leaf() {
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slots += 1
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}
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}
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if storageIter.Error() != nil {
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log.Error("Failed to traverse storage trie", "root", acc.Root, "err", storageIter.Error())
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return storageIter.Error()
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}
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}
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if !bytes.Equal(acc.CodeHash, types.EmptyCodeHash.Bytes()) {
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if !rawdb.HasCode(chaindb, common.BytesToHash(acc.CodeHash)) {
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log.Error("Code is missing", "account", common.BytesToHash(accIter.LeafKey()))
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return errors.New("missing code")
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}
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codes += 1
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}
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if time.Since(lastReport) > time.Second*8 {
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log.Info("Traversing state", "nodes", nodes, "accounts", accounts, "slots", slots, "codes", codes, "elapsed", common.PrettyDuration(time.Since(start)))
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lastReport = time.Now()
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}
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}
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}
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if accIter.Error() != nil {
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log.Error("Failed to traverse state trie", "root", root, "err", accIter.Error())
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return accIter.Error()
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}
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log.Info("State is complete", "nodes", nodes, "accounts", accounts, "slots", slots, "codes", codes, "elapsed", common.PrettyDuration(time.Since(start)))
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return nil
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}
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func parseRoot(input string) (common.Hash, error) {
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var h common.Hash
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if err := h.UnmarshalText([]byte(input)); err != nil {
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return h, err
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}
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return h, nil
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}
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func dumpState(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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|
snapConfig := snapshot.Config{
|
|
CacheSize: 256,
|
|
Recovery: false,
|
|
NoBuild: true,
|
|
AsyncBuild: false,
|
|
}
|
|
snaptree, err := snapshot.New(snapConfig, db, trie.NewDatabase(db), root)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
accIt, err := snaptree.AccountIterator(root, common.BytesToHash(conf.Start))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer accIt.Release()
|
|
|
|
log.Info("Snapshot dumping started", "root", root)
|
|
var (
|
|
start = time.Now()
|
|
logged = time.Now()
|
|
accounts uint64
|
|
)
|
|
enc := json.NewEncoder(os.Stdout)
|
|
enc.Encode(struct {
|
|
Root common.Hash `json:"root"`
|
|
}{root})
|
|
for accIt.Next() {
|
|
account, err := snapshot.FullAccount(accIt.Account())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
da := &state.DumpAccount{
|
|
Balance: account.Balance.String(),
|
|
Nonce: account.Nonce,
|
|
Root: account.Root,
|
|
CodeHash: account.CodeHash,
|
|
SecureKey: accIt.Hash().Bytes(),
|
|
}
|
|
if !conf.SkipCode && !bytes.Equal(account.CodeHash, types.EmptyCodeHash.Bytes()) {
|
|
da.Code = rawdb.ReadCode(db, common.BytesToHash(account.CodeHash))
|
|
}
|
|
if !conf.SkipStorage {
|
|
da.Storage = make(map[common.Hash]string)
|
|
|
|
stIt, err := snaptree.StorageIterator(root, accIt.Hash(), common.Hash{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for stIt.Next() {
|
|
da.Storage[stIt.Hash()] = common.Bytes2Hex(stIt.Slot())
|
|
}
|
|
}
|
|
enc.Encode(da)
|
|
accounts++
|
|
if time.Since(logged) > 8*time.Second {
|
|
log.Info("Snapshot dumping in progress", "at", accIt.Hash(), "accounts", accounts,
|
|
"elapsed", common.PrettyDuration(time.Since(start)))
|
|
logged = time.Now()
|
|
}
|
|
if conf.Max > 0 && accounts >= conf.Max {
|
|
break
|
|
}
|
|
}
|
|
log.Info("Snapshot dumping complete", "accounts", accounts,
|
|
"elapsed", common.PrettyDuration(time.Since(start)))
|
|
return nil
|
|
}
|
|
|
|
// checkAccount iterates the snap data layers, and looks up the given account
|
|
// across all layers.
|
|
func checkAccount(ctx *cli.Context) error {
|
|
if ctx.NArg() != 1 {
|
|
return errors.New("need <address|hash> arg")
|
|
}
|
|
var (
|
|
hash common.Hash
|
|
addr common.Address
|
|
)
|
|
switch arg := ctx.Args().First(); len(arg) {
|
|
case 40, 42:
|
|
addr = common.HexToAddress(arg)
|
|
hash = crypto.Keccak256Hash(addr.Bytes())
|
|
case 64, 66:
|
|
hash = common.HexToHash(arg)
|
|
default:
|
|
return errors.New("malformed address or hash")
|
|
}
|
|
stack, _ := makeConfigNode(ctx)
|
|
defer stack.Close()
|
|
chaindb := utils.MakeChainDatabase(ctx, stack, true)
|
|
defer chaindb.Close()
|
|
start := time.Now()
|
|
log.Info("Checking difflayer journal", "address", addr, "hash", hash)
|
|
if err := snapshot.CheckJournalAccount(chaindb, hash); err != nil {
|
|
return err
|
|
}
|
|
log.Info("Checked the snapshot journalled storage", "time", common.PrettyDuration(time.Since(start)))
|
|
return nil
|
|
}
|