// Copyright 2015 The go-ethereum Authors // This file is part of go-ethereum. // // go-ethereum is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // go-ethereum is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. package geth import ( "encoding/json" "fmt" "os" "path/filepath" "runtime" "strconv" "sync/atomic" "time" "github.com/Determinant/coreth/cmd/utils" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/console" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/rawdb" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/eth/downloader" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/trie" "gopkg.in/urfave/cli.v1" ) var ( initCommand = cli.Command{ Action: utils.MigrateFlags(initGenesis), Name: "init", Usage: "Bootstrap and initialize a new genesis block", ArgsUsage: "<genesisPath>", Flags: []cli.Flag{ utils.DataDirFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The init command initializes a new genesis block and definition for the network. This is a destructive action and changes the network in which you will be participating. It expects the genesis file as argument.`, } importCommand = cli.Command{ Action: utils.MigrateFlags(importChain), Name: "import", Usage: "Import a blockchain file", ArgsUsage: "<filename> (<filename 2> ... <filename N>) ", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, utils.GCModeFlag, utils.CacheDatabaseFlag, utils.CacheGCFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The import command imports blocks from an RLP-encoded form. The form can be one file with several RLP-encoded blocks, or several files can be used. If only one file is used, import error will result in failure. If several files are used, processing will proceed even if an individual RLP-file import failure occurs.`, } exportCommand = cli.Command{ Action: utils.MigrateFlags(exportChain), Name: "export", Usage: "Export blockchain into file", ArgsUsage: "<filename> [<blockNumFirst> <blockNumLast>]", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` Requires a first argument of the file to write to. Optional second and third arguments control the first and last block to write. In this mode, the file will be appended if already existing. If the file ends with .gz, the output will be gzipped.`, } importPreimagesCommand = cli.Command{ Action: utils.MigrateFlags(importPreimages), Name: "import-preimages", Usage: "Import the preimage database from an RLP stream", ArgsUsage: "<datafile>", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The import-preimages command imports hash preimages from an RLP encoded stream.`, } exportPreimagesCommand = cli.Command{ Action: utils.MigrateFlags(exportPreimages), Name: "export-preimages", Usage: "Export the preimage database into an RLP stream", ArgsUsage: "<dumpfile>", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The export-preimages command export hash preimages to an RLP encoded stream`, } copydbCommand = cli.Command{ Action: utils.MigrateFlags(copyDb), Name: "copydb", Usage: "Create a local chain from a target chaindata folder", ArgsUsage: "<sourceChaindataDir>", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, utils.FakePoWFlag, utils.TestnetFlag, utils.RinkebyFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The first argument must be the directory containing the blockchain to download from`, } removedbCommand = cli.Command{ Action: utils.MigrateFlags(removeDB), Name: "removedb", Usage: "Remove blockchain and state databases", ArgsUsage: " ", Flags: []cli.Flag{ utils.DataDirFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` Remove blockchain and state databases`, } dumpCommand = cli.Command{ Action: utils.MigrateFlags(dump), Name: "dump", Usage: "Dump a specific block from storage", ArgsUsage: "[<blockHash> | <blockNum>]...", Flags: []cli.Flag{ utils.DataDirFlag, utils.CacheFlag, utils.SyncModeFlag, utils.IterativeOutputFlag, utils.ExcludeCodeFlag, utils.ExcludeStorageFlag, utils.IncludeIncompletesFlag, }, Category: "BLOCKCHAIN COMMANDS", Description: ` The arguments are interpreted as block numbers or hashes. Use "ethereum dump 0" to dump the genesis block.`, } inspectCommand = cli.Command{ Action: utils.MigrateFlags(inspect), Name: "inspect", Usage: "Inspect the storage size for each type of data in the database", ArgsUsage: " ", Flags: []cli.Flag{ utils.DataDirFlag, utils.AncientFlag, utils.CacheFlag, utils.TestnetFlag, utils.RinkebyFlag, utils.GoerliFlag, utils.SyncModeFlag, }, Category: "BLOCKCHAIN COMMANDS", } ) // initGenesis will initialise the given JSON format genesis file and writes it as // the zero'd block (i.e. genesis) or will fail hard if it can't succeed. func initGenesis(ctx *cli.Context) error { // Make sure we have a valid genesis JSON genesisPath := ctx.Args().First() if len(genesisPath) == 0 { utils.Fatalf("Must supply path to genesis JSON file") } file, err := os.Open(genesisPath) if err != nil { utils.Fatalf("Failed to read genesis file: %v", err) } defer file.Close() genesis := new(core.Genesis) if err := json.NewDecoder(file).Decode(genesis); err != nil { utils.Fatalf("invalid genesis file: %v", err) } // Open an initialise both full and light databases stack := makeFullNode(ctx) defer stack.Close() for _, name := range []string{"chaindata", "lightchaindata"} { chaindb, err := stack.OpenDatabase(name, 0, 0, "") if err != nil { utils.Fatalf("Failed to open database: %v", err) } _, hash, err := core.SetupGenesisBlock(chaindb, genesis) if err != nil { utils.Fatalf("Failed to write genesis block: %v", err) } chaindb.Close() log.Info("Successfully wrote genesis state", "database", name, "hash", hash) } return nil } func importChain(ctx *cli.Context) error { if len(ctx.Args()) < 1 { utils.Fatalf("This command requires an argument.") } stack := makeFullNode(ctx) defer stack.Close() chain, db := utils.MakeChain(ctx, stack) defer db.Close() // Start periodically gathering memory profiles var peakMemAlloc, peakMemSys uint64 go func() { stats := new(runtime.MemStats) for { runtime.ReadMemStats(stats) if atomic.LoadUint64(&peakMemAlloc) < stats.Alloc { atomic.StoreUint64(&peakMemAlloc, stats.Alloc) } if atomic.LoadUint64(&peakMemSys) < stats.Sys { atomic.StoreUint64(&peakMemSys, stats.Sys) } time.Sleep(5 * time.Second) } }() // Import the chain start := time.Now() if len(ctx.Args()) == 1 { if err := utils.ImportChain(chain, ctx.Args().First()); err != nil { log.Error("Import error", "err", err) } } else { for _, arg := range ctx.Args() { if err := utils.ImportChain(chain, arg); err != nil { log.Error("Import error", "file", arg, "err", err) } } } chain.Stop() fmt.Printf("Import done in %v.\n\n", time.Since(start)) // Output pre-compaction stats mostly to see the import trashing stats, err := db.Stat("leveldb.stats") if err != nil { utils.Fatalf("Failed to read database stats: %v", err) } fmt.Println(stats) ioStats, err := db.Stat("leveldb.iostats") if err != nil { utils.Fatalf("Failed to read database iostats: %v", err) } fmt.Println(ioStats) // Print the memory statistics used by the importing mem := new(runtime.MemStats) runtime.ReadMemStats(mem) fmt.Printf("Object memory: %.3f MB current, %.3f MB peak\n", float64(mem.Alloc)/1024/1024, float64(atomic.LoadUint64(&peakMemAlloc))/1024/1024) fmt.Printf("System memory: %.3f MB current, %.3f MB peak\n", float64(mem.Sys)/1024/1024, float64(atomic.LoadUint64(&peakMemSys))/1024/1024) fmt.Printf("Allocations: %.3f million\n", float64(mem.Mallocs)/1000000) fmt.Printf("GC pause: %v\n\n", time.Duration(mem.PauseTotalNs)) if ctx.GlobalBool(utils.NoCompactionFlag.Name) { return nil } // Compact the entire database to more accurately measure disk io and print the stats start = time.Now() fmt.Println("Compacting entire database...") if err = db.Compact(nil, nil); err != nil { utils.Fatalf("Compaction failed: %v", err) } fmt.Printf("Compaction done in %v.\n\n", time.Since(start)) stats, err = db.Stat("leveldb.stats") if err != nil { utils.Fatalf("Failed to read database stats: %v", err) } fmt.Println(stats) ioStats, err = db.Stat("leveldb.iostats") if err != nil { utils.Fatalf("Failed to read database iostats: %v", err) } fmt.Println(ioStats) return nil } func exportChain(ctx *cli.Context) error { if len(ctx.Args()) < 1 { utils.Fatalf("This command requires an argument.") } stack := makeFullNode(ctx) defer stack.Close() chain, _ := utils.MakeChain(ctx, stack) start := time.Now() var err error fp := ctx.Args().First() if len(ctx.Args()) < 3 { err = utils.ExportChain(chain, fp) } else { // This can be improved to allow for numbers larger than 9223372036854775807 first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64) last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64) if ferr != nil || lerr != nil { utils.Fatalf("Export error in parsing parameters: block number not an integer\n") } if first < 0 || last < 0 { utils.Fatalf("Export error: block number must be greater than 0\n") } err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last)) } if err != nil { utils.Fatalf("Export error: %v\n", err) } fmt.Printf("Export done in %v\n", time.Since(start)) return nil } // importPreimages imports preimage data from the specified file. func importPreimages(ctx *cli.Context) error { if len(ctx.Args()) < 1 { utils.Fatalf("This command requires an argument.") } stack := makeFullNode(ctx) defer stack.Close() db := utils.MakeChainDatabase(ctx, stack) start := time.Now() if err := utils.ImportPreimages(db, ctx.Args().First()); err != nil { utils.Fatalf("Import error: %v\n", err) } fmt.Printf("Import done in %v\n", time.Since(start)) return nil } // exportPreimages dumps the preimage data to specified json file in streaming way. func exportPreimages(ctx *cli.Context) error { if len(ctx.Args()) < 1 { utils.Fatalf("This command requires an argument.") } stack := makeFullNode(ctx) defer stack.Close() db := utils.MakeChainDatabase(ctx, stack) start := time.Now() if err := utils.ExportPreimages(db, ctx.Args().First()); err != nil { utils.Fatalf("Export error: %v\n", err) } fmt.Printf("Export done in %v\n", time.Since(start)) return nil } 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") } if len(ctx.Args()) < 2 { utils.Fatalf("Source ancient chain 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) var syncBloom *trie.SyncBloom if syncMode == downloader.FastSync { syncBloom = trie.NewSyncBloom(uint64(ctx.GlobalInt(utils.CacheFlag.Name)/2), chainDb) } dl := downloader.New(0, chainDb, syncBloom, new(event.TypeMux), chain, nil, nil) // Create a source peer to satisfy downloader requests from db, err := rawdb.NewLevelDBDatabaseWithFreezer(ctx.Args().First(), ctx.GlobalInt(utils.CacheFlag.Name)/2, 256, ctx.Args().Get(1), "") 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 = db.Compact(nil, nil); 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, config := makeConfigNode(ctx) // Remove the full node state database path := stack.ResolvePath("chaindata") if common.FileExist(path) { confirmAndRemoveDB(path, "full node state database") } else { log.Info("Full node state database missing", "path", path) } // Remove the full node ancient database path = config.Eth.DatabaseFreezer switch { case path == "": path = filepath.Join(stack.ResolvePath("chaindata"), "ancient") case !filepath.IsAbs(path): path = config.Node.ResolvePath(path) } if common.FileExist(path) { confirmAndRemoveDB(path, "full node ancient database") } else { log.Info("Full node ancient database missing", "path", path) } // Remove the light node database path = stack.ResolvePath("lightchaindata") if common.FileExist(path) { confirmAndRemoveDB(path, "light node database") } else { log.Info("Light node database missing", "path", path) } return nil } // confirmAndRemoveDB prompts the user for a last confirmation and removes the // folder if accepted. func confirmAndRemoveDB(database string, kind string) { confirm, err := console.Stdin.PromptConfirm(fmt.Sprintf("Remove %s (%s)?", kind, database)) switch { case err != nil: utils.Fatalf("%v", err) case !confirm: log.Info("Database deletion skipped", "path", database) default: start := time.Now() filepath.Walk(database, func(path string, info os.FileInfo, err error) error { // If we're at the top level folder, recurse into if path == database { return nil } // Delete all the files, but not subfolders if !info.IsDir() { os.Remove(path) return nil } return filepath.SkipDir }) log.Info("Database successfully deleted", "path", database, "elapsed", common.PrettyDuration(time.Since(start))) } } func dump(ctx *cli.Context) error { stack := makeFullNode(ctx) defer stack.Close() chain, chainDb := utils.MakeChain(ctx, stack) defer chainDb.Close() 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) } excludeCode := ctx.Bool(utils.ExcludeCodeFlag.Name) excludeStorage := ctx.Bool(utils.ExcludeStorageFlag.Name) includeMissing := ctx.Bool(utils.IncludeIncompletesFlag.Name) if ctx.Bool(utils.IterativeOutputFlag.Name) { state.IterativeDump(excludeCode, excludeStorage, !includeMissing, json.NewEncoder(os.Stdout)) } else { if includeMissing { fmt.Printf("If you want to include accounts with missing preimages, you need iterative output, since" + " otherwise the accounts will overwrite each other in the resulting mapping.") } fmt.Printf("%v %s\n", includeMissing, state.Dump(excludeCode, excludeStorage, false)) } } } return nil } func inspect(ctx *cli.Context) error { node, _ := makeConfigNode(ctx) defer node.Close() _, chainDb := utils.MakeChain(ctx, node) defer chainDb.Close() return rawdb.InspectDatabase(chainDb) } // hashish returns true for strings that look like hashes. func hashish(x string) bool { _, err := strconv.Atoi(x) return err != nil }