* node: close AccountsManager in new Close method * p2p/simulations, p2p/simulations/adapters: handle node close on shutdown * node: move node ephemeralKeystore cleanup to stop method * node: call Stop in Node.Close method * cmd/geth: close node.Node created with makeFullNode in cli commands * node: close Node instances in tests * cmd/geth, node: minor code style fixes * cmd, console, miner, mobile: proper node Close() termination
		
			
				
	
	
		
			486 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			486 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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	"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/console"
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	"github.com/ethereum/go-ethereum/core"
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	"github.com/ethereum/go-ethereum/core/state"
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	"github.com/ethereum/go-ethereum/core/types"
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	"github.com/ethereum/go-ethereum/eth/downloader"
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	"github.com/ethereum/go-ethereum/ethdb"
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	"github.com/ethereum/go-ethereum/event"
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	"github.com/ethereum/go-ethereum/log"
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	"github.com/ethereum/go-ethereum/trie"
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	"github.com/syndtr/goleveldb/leveldb/util"
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	"gopkg.in/urfave/cli.v1"
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)
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var (
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	initCommand = cli.Command{
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		Action:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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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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	importCommand = cli.Command{
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		Action:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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			utils.GCModeFlag,
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			utils.CacheDatabaseFlag,
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			utils.CacheGCFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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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:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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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:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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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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	}
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	exportPreimagesCommand = cli.Command{
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		Action:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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		Description: `
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The export-preimages command export hash preimages to an RLP encoded stream`,
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	}
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	copydbCommand = cli.Command{
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		Action:    utils.MigrateFlags(copyDb),
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		Name:      "copydb",
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		Usage:     "Create a local chain from a target chaindata folder",
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		ArgsUsage: "<sourceChaindataDir>",
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		Flags: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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			utils.FakePoWFlag,
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			utils.TestnetFlag,
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			utils.RinkebyFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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		Description: `
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The first argument must be the directory containing the blockchain to download from`,
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	}
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	removedbCommand = cli.Command{
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		Action:    utils.MigrateFlags(removeDB),
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		Name:      "removedb",
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		Usage:     "Remove blockchain and state databases",
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		ArgsUsage: " ",
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		Flags: []cli.Flag{
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			utils.DataDirFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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		Description: `
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Remove blockchain and state databases`,
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	}
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	dumpCommand = cli.Command{
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		Action:    utils.MigrateFlags(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: []cli.Flag{
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			utils.DataDirFlag,
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			utils.CacheFlag,
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			utils.SyncModeFlag,
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		},
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		Category: "BLOCKCHAIN COMMANDS",
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		Description: `
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The arguments are interpreted as block numbers or hashes.
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Use "ethereum dump 0" to dump the genesis block.`,
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	}
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)
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// 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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	// Make sure we have a valid genesis JSON
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	genesisPath := ctx.Args().First()
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	if len(genesisPath) == 0 {
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		utils.Fatalf("Must supply path to genesis JSON 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 an initialise both full and light databases
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	stack := makeFullNode(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.OpenDatabase(name, 0, 0)
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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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		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 importChain(ctx *cli.Context) error {
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	if len(ctx.Args()) < 1 {
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		utils.Fatalf("This command requires an argument.")
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	}
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	stack := makeFullNode(ctx)
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	defer stack.Close()
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	chain, chainDb := utils.MakeChain(ctx, stack)
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	defer chainDb.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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	if len(ctx.Args()) == 1 {
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		if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
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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() {
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			if err := utils.ImportChain(chain, arg); err != nil {
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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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	db := chainDb.(*ethdb.LDBDatabase)
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	stats, err := db.LDB().GetProperty("leveldb.stats")
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	if err != nil {
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		utils.Fatalf("Failed to read database stats: %v", err)
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	}
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	fmt.Println(stats)
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	ioStats, err := db.LDB().GetProperty("leveldb.iostats")
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	if err != nil {
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		utils.Fatalf("Failed to read database iostats: %v", err)
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	}
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	fmt.Println(ioStats)
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	fmt.Printf("Trie cache misses:  %d\n", trie.CacheMisses())
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	fmt.Printf("Trie cache unloads: %d\n\n", trie.CacheUnloads())
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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.GlobalIsSet(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.LDB().CompactRange(util.Range{}); 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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	stats, err = db.LDB().GetProperty("leveldb.stats")
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	if err != nil {
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		utils.Fatalf("Failed to read database stats: %v", err)
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	}
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	fmt.Println(stats)
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	ioStats, err = db.LDB().GetProperty("leveldb.iostats")
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	if err != nil {
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		utils.Fatalf("Failed to read database iostats: %v", err)
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	}
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	fmt.Println(ioStats)
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	return nil
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}
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func exportChain(ctx *cli.Context) error {
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	if len(ctx.Args()) < 1 {
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		utils.Fatalf("This command requires an argument.")
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	}
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	stack := makeFullNode(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 len(ctx.Args()) < 3 {
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		err = utils.ExportChain(chain, fp)
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	} else {
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		// This can be improved to allow for numbers larger than 9223372036854775807
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		first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64)
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		last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64)
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		if ferr != nil || lerr != nil {
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			utils.Fatalf("Export error in parsing parameters: block number not an integer\n")
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		}
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		if first < 0 || last < 0 {
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			utils.Fatalf("Export error: block number must be greater than 0\n")
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		}
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		err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last))
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	}
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	if err != nil {
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		utils.Fatalf("Export error: %v\n", err)
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	}
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	fmt.Printf("Export done in %v\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 len(ctx.Args()) < 1 {
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		utils.Fatalf("This command requires an argument.")
 | 
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	}
 | 
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	stack := makeFullNode(ctx)
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						|
	defer stack.Close()
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						|
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	diskdb := utils.MakeChainDatabase(ctx, stack).(*ethdb.LDBDatabase)
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	start := time.Now()
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						|
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						|
	if err := utils.ImportPreimages(diskdb, 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.
 | 
						|
func exportPreimages(ctx *cli.Context) error {
 | 
						|
	if len(ctx.Args()) < 1 {
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						|
		utils.Fatalf("This command requires an argument.")
 | 
						|
	}
 | 
						|
	stack := makeFullNode(ctx)
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						|
	defer stack.Close()
 | 
						|
 | 
						|
	diskdb := utils.MakeChainDatabase(ctx, stack).(*ethdb.LDBDatabase)
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						|
	start := time.Now()
 | 
						|
 | 
						|
	if err := utils.ExportPreimages(diskdb, ctx.Args().First()); err != nil {
 | 
						|
		utils.Fatalf("Export error: %v\n", err)
 | 
						|
	}
 | 
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	fmt.Printf("Export done in %v\n", time.Since(start))
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						|
	return nil
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						|
}
 | 
						|
 | 
						|
func copyDb(ctx *cli.Context) error {
 | 
						|
	// Ensure we have a source chain directory to copy
 | 
						|
	if len(ctx.Args()) != 1 {
 | 
						|
		utils.Fatalf("Source chaindata directory path argument missing")
 | 
						|
	}
 | 
						|
	// Initialize a new chain for the running node to sync into
 | 
						|
	stack := makeFullNode(ctx)
 | 
						|
	defer stack.Close()
 | 
						|
 | 
						|
	chain, chainDb := utils.MakeChain(ctx, stack)
 | 
						|
	syncmode := *utils.GlobalTextMarshaler(ctx, utils.SyncModeFlag.Name).(*downloader.SyncMode)
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						|
	dl := downloader.New(syncmode, chainDb, new(event.TypeMux), chain, nil, nil)
 | 
						|
 | 
						|
	// Create a source peer to satisfy downloader requests from
 | 
						|
	db, err := ethdb.NewLDBDatabase(ctx.Args().First(), ctx.GlobalInt(utils.CacheFlag.Name), 256)
 | 
						|
	if err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	hc, err := core.NewHeaderChain(db, chain.Config(), chain.Engine(), func() bool { return false })
 | 
						|
	if err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	peer := downloader.NewFakePeer("local", db, hc, dl)
 | 
						|
	if err = dl.RegisterPeer("local", 63, peer); err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	// Synchronise with the simulated peer
 | 
						|
	start := time.Now()
 | 
						|
 | 
						|
	currentHeader := hc.CurrentHeader()
 | 
						|
	if err = dl.Synchronise("local", currentHeader.Hash(), hc.GetTd(currentHeader.Hash(), currentHeader.Number.Uint64()), syncmode); err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	for dl.Synchronising() {
 | 
						|
		time.Sleep(10 * time.Millisecond)
 | 
						|
	}
 | 
						|
	fmt.Printf("Database copy done in %v\n", time.Since(start))
 | 
						|
 | 
						|
	// Compact the entire database to remove any sync overhead
 | 
						|
	start = time.Now()
 | 
						|
	fmt.Println("Compacting entire database...")
 | 
						|
	if err = chainDb.(*ethdb.LDBDatabase).LDB().CompactRange(util.Range{}); err != nil {
 | 
						|
		utils.Fatalf("Compaction failed: %v", err)
 | 
						|
	}
 | 
						|
	fmt.Printf("Compaction done in %v.\n\n", time.Since(start))
 | 
						|
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func removeDB(ctx *cli.Context) error {
 | 
						|
	stack, _ := makeConfigNode(ctx)
 | 
						|
 | 
						|
	for _, name := range []string{"chaindata", "lightchaindata"} {
 | 
						|
		// Ensure the database exists in the first place
 | 
						|
		logger := log.New("database", name)
 | 
						|
 | 
						|
		dbdir := stack.ResolvePath(name)
 | 
						|
		if !common.FileExist(dbdir) {
 | 
						|
			logger.Info("Database doesn't exist, skipping", "path", dbdir)
 | 
						|
			continue
 | 
						|
		}
 | 
						|
		// Confirm removal and execute
 | 
						|
		fmt.Println(dbdir)
 | 
						|
		confirm, err := console.Stdin.PromptConfirm("Remove this database?")
 | 
						|
		switch {
 | 
						|
		case err != nil:
 | 
						|
			utils.Fatalf("%v", err)
 | 
						|
		case !confirm:
 | 
						|
			logger.Warn("Database deletion aborted")
 | 
						|
		default:
 | 
						|
			start := time.Now()
 | 
						|
			os.RemoveAll(dbdir)
 | 
						|
			logger.Info("Database successfully deleted", "elapsed", common.PrettyDuration(time.Since(start)))
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func dump(ctx *cli.Context) error {
 | 
						|
	stack := makeFullNode(ctx)
 | 
						|
	defer stack.Close()
 | 
						|
 | 
						|
	chain, chainDb := utils.MakeChain(ctx, stack)
 | 
						|
	for _, arg := range ctx.Args() {
 | 
						|
		var block *types.Block
 | 
						|
		if hashish(arg) {
 | 
						|
			block = chain.GetBlockByHash(common.HexToHash(arg))
 | 
						|
		} else {
 | 
						|
			num, _ := strconv.Atoi(arg)
 | 
						|
			block = chain.GetBlockByNumber(uint64(num))
 | 
						|
		}
 | 
						|
		if block == nil {
 | 
						|
			fmt.Println("{}")
 | 
						|
			utils.Fatalf("block not found")
 | 
						|
		} else {
 | 
						|
			state, err := state.New(block.Root(), state.NewDatabase(chainDb))
 | 
						|
			if err != nil {
 | 
						|
				utils.Fatalf("could not create new state: %v", err)
 | 
						|
			}
 | 
						|
			fmt.Printf("%s\n", state.Dump())
 | 
						|
		}
 | 
						|
	}
 | 
						|
	chainDb.Close()
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
// hashish returns true for strings that look like hashes.
 | 
						|
func hashish(x string) bool {
 | 
						|
	_, err := strconv.Atoi(x)
 | 
						|
	return err != nil
 | 
						|
}
 |