forked from cerc-io/plugeth
cmd/geth: add db dumptrie command (#22563)
Adds the command "geth db dumptrie <root> <seek> <max>", to better help investigate the trie data
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parent
43a3768066
commit
59ac3c9fd3
@ -20,6 +20,7 @@ import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
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@ -29,6 +30,7 @@ import (
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"github.com/ethereum/go-ethereum/core/rawdb"
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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/trie"
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"gopkg.in/urfave/cli.v1"
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)
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@ -57,6 +59,7 @@ Remove blockchain and state databases`,
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dbGetCmd,
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dbDeleteCmd,
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dbPutCmd,
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dbGetSlotsCmd,
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},
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}
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dbInspectCmd = cli.Command{
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@ -158,6 +161,22 @@ WARNING: This is a low-level operation which may cause database corruption!`,
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Description: `This command sets a given database key to the given value.
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WARNING: This is a low-level operation which may cause database corruption!`,
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}
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dbGetSlotsCmd = cli.Command{
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Action: utils.MigrateFlags(dbDumpTrie),
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Name: "dumptrie",
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Usage: "Show the storage key/values of a given storage trie",
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ArgsUsage: "<hex-encoded storage trie root> <hex-encoded start (optional)> <int max elements (optional)>",
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Flags: []cli.Flag{
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utils.DataDirFlag,
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utils.SyncModeFlag,
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utils.MainnetFlag,
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utils.RopstenFlag,
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utils.RinkebyFlag,
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utils.GoerliFlag,
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utils.YoloV3Flag,
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},
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Description: "This command looks up the specified database key from the database.",
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}
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)
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func removeDB(ctx *cli.Context) error {
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@ -380,3 +399,53 @@ func dbPut(ctx *cli.Context) error {
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}
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return db.Put(key, value)
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}
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// dbDumpTrie shows the key-value slots of a given storage trie
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func dbDumpTrie(ctx *cli.Context) error {
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if ctx.NArg() < 1 {
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return fmt.Errorf("required arguments: %v", ctx.Command.ArgsUsage)
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}
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stack, _ := makeConfigNode(ctx)
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defer stack.Close()
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db := utils.MakeChainDatabase(ctx, stack, true)
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defer db.Close()
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var (
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root []byte
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start []byte
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max = int64(-1)
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err error
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)
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if root, err = hexutil.Decode(ctx.Args().Get(0)); err != nil {
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log.Info("Could not decode the root", "error", err)
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return err
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}
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stRoot := common.BytesToHash(root)
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if ctx.NArg() >= 2 {
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if start, err = hexutil.Decode(ctx.Args().Get(1)); err != nil {
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log.Info("Could not decode the seek position", "error", err)
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return err
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}
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}
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if ctx.NArg() >= 3 {
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if max, err = strconv.ParseInt(ctx.Args().Get(2), 10, 64); err != nil {
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log.Info("Could not decode the max count", "error", err)
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return err
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}
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}
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theTrie, err := trie.New(stRoot, trie.NewDatabase(db))
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if err != nil {
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return err
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}
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var count int64
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it := trie.NewIterator(theTrie.NodeIterator(start))
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for it.Next() {
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if max > 0 && count == max {
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fmt.Printf("Exiting after %d values\n", count)
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break
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}
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fmt.Printf(" %d. key %#x: %#x\n", count, it.Key, it.Value)
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count++
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}
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return it.Err
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}
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