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port iavlviewer to kava v0.26.x to debug app hash
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/sha256" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "cosmossdk.io/log" | ||
| dbm "github.com/cosmos/cosmos-db" | ||
| "github.com/cosmos/cosmos-sdk/client" | ||
| "github.com/cosmos/cosmos-sdk/server" | ||
| "github.com/cosmos/cosmos-sdk/store/wrapper" | ||
| ethermintserver "github.com/evmos/ethermint/server" | ||
| "github.com/spf13/cobra" | ||
|
|
||
| "github.com/cosmos/iavl" | ||
| ) | ||
|
|
||
| const ( | ||
| DefaultCacheSize int = 10000 | ||
| ) | ||
|
|
||
| func newIavlViewerCmd(opts ethermintserver.StartOptions) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "iavlviewer <data|shape|versions> <prefix> [version number]", | ||
| Short: "View iavl tree data, shape, and versions.", | ||
| Long: "View iavl tree data, shape, and versions.", | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| version := 0 | ||
| if len(args) == 3 { | ||
| var err error | ||
| version, err = strconv.Atoi(args[2]) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Invalid version number: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
|
||
| clientCtx := client.GetClientContextFromCmd(cmd) | ||
| ctx := server.GetServerContextFromCmd(cmd) | ||
| ctx.Config.SetRoot(clientCtx.HomeDir) | ||
|
|
||
| db, err := opts.DBOpener(ctx.Viper, clientCtx.HomeDir, server.GetAppDBBackend(ctx.Viper)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if err := db.Close(); err != nil { | ||
| ctx.Logger.Error("error closing db", "error", err.Error()) | ||
| } | ||
| }() | ||
|
|
||
| cosmosdb := wrapper.NewCosmosDB(db) | ||
|
|
||
| tree, err := readTree(cosmosdb, version, []byte(args[1])) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| switch args[0] { | ||
| case "data": | ||
| printKeys(tree) | ||
| hash := tree.Hash() | ||
| fmt.Printf("Hash: %X\n", hash) | ||
| fmt.Printf("Size: %X\n", tree.Size()) | ||
| case "shape": | ||
| printShape(tree) | ||
| case "versions": | ||
| printVersions(tree) | ||
| } | ||
|
|
||
| return nil | ||
| }, | ||
| } | ||
|
|
||
| return cmd | ||
| } | ||
|
|
||
| func PrintDBStats(db dbm.DB) { | ||
| count := 0 | ||
| prefix := map[string]int{} | ||
| itr, err := db.Iterator(nil, nil) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| defer itr.Close() | ||
| for ; itr.Valid(); itr.Next() { | ||
| key := itr.Key()[:1] | ||
| prefix[string(key)]++ | ||
| count++ | ||
| } | ||
| if err := itr.Error(); err != nil { | ||
| panic(err) | ||
| } | ||
| fmt.Printf("DB contains %d entries\n", count) | ||
| for k, v := range prefix { | ||
| fmt.Printf(" %s: %d\n", k, v) | ||
| } | ||
| } | ||
|
|
||
| // ReadTree loads an iavl tree from the directory | ||
| // If version is 0, load latest, otherwise, load named version | ||
| // The prefix represents which iavl tree you want to read. The iaviwer will always set a prefix. | ||
| func readTree(db dbm.DB, version int, prefix []byte) (*iavl.MutableTree, error) { | ||
| if len(prefix) != 0 { | ||
| db = dbm.NewPrefixDB(db, prefix) | ||
| } | ||
|
|
||
| tree := iavl.NewMutableTree(db, DefaultCacheSize, false, log.NewLogger(os.Stdout)) | ||
| ver, err := tree.LoadVersion(int64(version)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| fmt.Printf("Latest version: %d\n", ver) | ||
| fmt.Printf("Got version: %d\n", version) | ||
| return tree, err | ||
| } | ||
|
|
||
| func printKeys(tree *iavl.MutableTree) { | ||
| fmt.Println("Printing all keys with hashed values (to detect diff)") | ||
| tree.Iterate(func(key []byte, value []byte) bool { //nolint:errcheck | ||
| printKey := parseWeaveKey(key) | ||
| digest := sha256.Sum256(value) | ||
| fmt.Printf(" %s\n %X\n", printKey, digest) | ||
| return false | ||
| }) | ||
| } | ||
|
|
||
| // parseWeaveKey assumes a separating : where all in front should be ascii, | ||
| // and all afterwards may be ascii or binary | ||
| func parseWeaveKey(key []byte) string { | ||
| cut := bytes.IndexRune(key, ':') | ||
| if cut == -1 { | ||
| return encodeID(key) | ||
| } | ||
| prefix := key[:cut] | ||
| id := key[cut+1:] | ||
| return fmt.Sprintf("%s:%s", encodeID(prefix), encodeID(id)) | ||
| } | ||
|
|
||
| // casts to a string if it is printable ascii, hex-encodes otherwise | ||
| func encodeID(id []byte) string { | ||
| for _, b := range id { | ||
| if b < 0x20 || b >= 0x80 { | ||
| return strings.ToUpper(hex.EncodeToString(id)) | ||
| } | ||
| } | ||
| return string(id) | ||
| } | ||
|
|
||
| func printShape(tree *iavl.MutableTree) { | ||
| // shape := tree.RenderShape(" ", nil) | ||
| // TODO: handle this error | ||
| shape, _ := tree.RenderShape(" ", nodeEncoder) | ||
| fmt.Println(strings.Join(shape, "\n")) | ||
| } | ||
|
|
||
| func nodeEncoder(id []byte, depth int, isLeaf bool) string { | ||
| prefix := fmt.Sprintf("-%d ", depth) | ||
| if isLeaf { | ||
| prefix = fmt.Sprintf("*%d ", depth) | ||
| } | ||
| if len(id) == 0 { | ||
| return fmt.Sprintf("%s<nil>", prefix) | ||
| } | ||
| return fmt.Sprintf("%s%s", prefix, parseWeaveKey(id)) | ||
| } | ||
|
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||
| func printVersions(tree *iavl.MutableTree) { | ||
| versions := tree.AvailableVersions() | ||
| fmt.Println("Available versions:") | ||
| for _, v := range versions { | ||
| fmt.Printf(" %d\n", v) | ||
| } | ||
| } |
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