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@ -18,6 +18,7 @@ package main |
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import ( |
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"encoding/json" |
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"errors" |
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"fmt" |
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"os" |
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"runtime" |
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@ -27,12 +28,16 @@ import ( |
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"github.com/ethereum/go-ethereum/cmd/utils" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/common/hexutil" |
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"github.com/ethereum/go-ethereum/core" |
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"github.com/ethereum/go-ethereum/core/rawdb" |
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"github.com/ethereum/go-ethereum/core/state" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/crypto" |
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"github.com/ethereum/go-ethereum/ethdb" |
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"github.com/ethereum/go-ethereum/log" |
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"github.com/ethereum/go-ethereum/metrics" |
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"github.com/ethereum/go-ethereum/node" |
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"gopkg.in/urfave/cli.v1" |
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) |
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@ -152,20 +157,21 @@ The export-preimages command export hash preimages to an RLP encoded stream`, |
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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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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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utils.IterativeOutputFlag, |
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utils.ExcludeCodeFlag, |
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utils.ExcludeStorageFlag, |
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utils.IncludeIncompletesFlag, |
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utils.StartKeyFlag, |
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utils.DumpLimitFlag, |
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}, |
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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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This command dumps out the state for a given block (or latest, if none provided). |
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`, |
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} |
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) |
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@ -373,47 +379,85 @@ func exportPreimages(ctx *cli.Context) error { |
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return nil |
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} |
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func dump(ctx *cli.Context) error { |
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stack, _ := makeConfigNode(ctx) |
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defer stack.Close() |
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func parseDumpConfig(ctx *cli.Context, stack *node.Node) (*state.DumpConfig, ethdb.Database, common.Hash, error) { |
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db := utils.MakeChainDatabase(ctx, stack, true) |
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for _, arg := range ctx.Args() { |
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var header *types.Header |
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if ctx.NArg() > 1 { |
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return nil, nil, common.Hash{}, fmt.Errorf("expected 1 argument (number or hash), got %d", ctx.NArg()) |
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} |
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if ctx.NArg() == 1 { |
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arg := ctx.Args().First() |
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if hashish(arg) { |
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hash := common.HexToHash(arg) |
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number := rawdb.ReadHeaderNumber(db, hash) |
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if number != nil { |
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if number := rawdb.ReadHeaderNumber(db, hash); number != nil { |
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header = rawdb.ReadHeader(db, hash, *number) |
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} else { |
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return nil, nil, common.Hash{}, fmt.Errorf("block %x not found", hash) |
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} |
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} else { |
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number, _ := strconv.Atoi(arg) |
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hash := rawdb.ReadCanonicalHash(db, uint64(number)) |
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if hash != (common.Hash{}) { |
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number, err := strconv.Atoi(arg) |
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if err != nil { |
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return nil, nil, common.Hash{}, err |
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} |
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if hash := rawdb.ReadCanonicalHash(db, uint64(number)); hash != (common.Hash{}) { |
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header = rawdb.ReadHeader(db, hash, uint64(number)) |
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} else { |
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return nil, nil, common.Hash{}, fmt.Errorf("header for block %d not found", number) |
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} |
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} |
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if header == nil { |
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fmt.Println("{}") |
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utils.Fatalf("block not found") |
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} else { |
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state, err := state.New(header.Root, state.NewDatabase(db), nil) |
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// Use latest
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header = rawdb.ReadHeadHeader(db) |
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} |
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if header == nil { |
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return nil, nil, common.Hash{}, errors.New("no head block found") |
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} |
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startArg := common.FromHex(ctx.String(utils.StartKeyFlag.Name)) |
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var start common.Hash |
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switch len(startArg) { |
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case 0: // common.Hash
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case 32: |
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start = common.BytesToHash(startArg) |
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case 20: |
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start = crypto.Keccak256Hash(startArg) |
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log.Info("Converting start-address to hash", "address", common.BytesToAddress(startArg), "hash", start.Hex()) |
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default: |
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return nil, nil, common.Hash{}, fmt.Errorf("invalid start argument: %x. 20 or 32 hex-encoded bytes required", startArg) |
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} |
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var conf = &state.DumpConfig{ |
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SkipCode: ctx.Bool(utils.ExcludeCodeFlag.Name), |
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SkipStorage: ctx.Bool(utils.ExcludeStorageFlag.Name), |
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OnlyWithAddresses: !ctx.Bool(utils.IncludeIncompletesFlag.Name), |
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Start: start.Bytes(), |
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Max: ctx.Uint64(utils.DumpLimitFlag.Name), |
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} |
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log.Info("State dump configured", "block", header.Number, "hash", header.Hash().Hex(), |
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"skipcode", conf.SkipCode, "skipstorage", conf.SkipStorage, |
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"start", hexutil.Encode(conf.Start), "limit", conf.Max) |
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return conf, db, header.Root, nil |
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} |
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func dump(ctx *cli.Context) error { |
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stack, _ := makeConfigNode(ctx) |
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defer stack.Close() |
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conf, db, root, err := parseDumpConfig(ctx, stack) |
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if err != nil { |
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return err |
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} |
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state, err := state.New(root, state.NewDatabase(db), nil) |
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if err != nil { |
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utils.Fatalf("could not create new state: %v", err) |
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return err |
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} |
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excludeCode := ctx.Bool(utils.ExcludeCodeFlag.Name) |
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excludeStorage := ctx.Bool(utils.ExcludeStorageFlag.Name) |
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includeMissing := ctx.Bool(utils.IncludeIncompletesFlag.Name) |
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if ctx.Bool(utils.IterativeOutputFlag.Name) { |
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state.IterativeDump(excludeCode, excludeStorage, !includeMissing, json.NewEncoder(os.Stdout)) |
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state.IterativeDump(conf, json.NewEncoder(os.Stdout)) |
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} else { |
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if includeMissing { |
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fmt.Printf("If you want to include accounts with missing preimages, you need iterative output, since" + |
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if conf.OnlyWithAddresses { |
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fmt.Fprintf(os.Stderr, "If you want to include accounts with missing preimages, you need iterative output, since"+ |
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" otherwise the accounts will overwrite each other in the resulting mapping.") |
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return fmt.Errorf("incompatible options") |
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} |
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fmt.Printf("%v %s\n", includeMissing, state.Dump(excludeCode, excludeStorage, false)) |
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} |
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} |
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fmt.Println(string(state.Dump(conf))) |
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} |
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return nil |
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} |
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Martin Holst Swende
4 years ago
committed by
GitHub