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main.go
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main.go
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package main
import (
"bytes"
"encoding/base64"
"encoding/hex"
"encoding/json"
"fmt"
"os"
"strconv"
"strings"
gaia "github.com/cosmos/cosmos-sdk/cmd/gaia/app"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/spf13/cobra"
crypto "github.com/tendermint/go-crypto"
)
func init() {
rootCmd.AddCommand(txCmd)
rootCmd.AddCommand(pubkeyCmd)
rootCmd.AddCommand(hackCmd)
rootCmd.AddCommand(rawBytesCmd)
}
var rootCmd = &cobra.Command{
Use: "gaiadebug",
Short: "Gaia debug tool",
SilenceUsage: true,
}
var txCmd = &cobra.Command{
Use: "tx",
Short: "Decode a gaia tx from hex or base64",
RunE: runTxCmd,
}
var pubkeyCmd = &cobra.Command{
Use: "pubkey",
Short: "Decode a pubkey from hex or base64",
RunE: runPubKeyCmd,
}
var hackCmd = &cobra.Command{
Use: "hack",
Short: "Boilerplate to Hack on an existing state by scripting some Go...",
RunE: runHackCmd,
}
var rawBytesCmd = &cobra.Command{
Use: "raw-bytes",
Short: "Convert raw bytes output (eg. [10 21 13 255]) to hex",
RunE: runRawBytesCmd,
}
func runRawBytesCmd(cmd *cobra.Command, args []string) error {
if len(args) != 1 {
return fmt.Errorf("Expected single arg")
}
stringBytes := args[0]
stringBytes = strings.Trim(stringBytes, "[")
stringBytes = strings.Trim(stringBytes, "]")
spl := strings.Split(stringBytes, " ")
byteArray := []byte{}
for _, s := range spl {
b, err := strconv.Atoi(s)
if err != nil {
return err
}
byteArray = append(byteArray, byte(b))
}
fmt.Printf("%X\n", byteArray)
return nil
}
func runPubKeyCmd(cmd *cobra.Command, args []string) error {
if len(args) != 1 {
return fmt.Errorf("Expected single arg")
}
pubkeyString := args[0]
// try hex, then base64
pubkeyBytes, err := hex.DecodeString(pubkeyString)
if err != nil {
var err2 error
pubkeyBytes, err2 = base64.StdEncoding.DecodeString(pubkeyString)
if err2 != nil {
return fmt.Errorf(`Expected hex or base64. Got errors:
hex: %v,
base64: %v
`, err, err2)
}
}
cdc := gaia.MakeCodec()
var pubKey crypto.PubKeyEd25519
copy(pubKey[:], pubkeyBytes)
pubKeyJSONBytes, err := cdc.MarshalJSON(pubKey)
if err != nil {
return err
}
fmt.Println("Address:", pubKey.Address())
fmt.Printf("Hex: %X\n", pubkeyBytes)
fmt.Println("JSON (base64):", string(pubKeyJSONBytes))
return nil
}
func runTxCmd(cmd *cobra.Command, args []string) error {
if len(args) != 1 {
return fmt.Errorf("Expected single arg")
}
txString := args[0]
// try hex, then base64
txBytes, err := hex.DecodeString(txString)
if err != nil {
var err2 error
txBytes, err2 = base64.StdEncoding.DecodeString(txString)
if err2 != nil {
return fmt.Errorf(`Expected hex or base64. Got errors:
hex: %v,
base64: %v
`, err, err2)
}
}
var tx = auth.StdTx{}
cdc := gaia.MakeCodec()
err = cdc.UnmarshalBinary(txBytes, &tx)
if err != nil {
return err
}
bz, err := cdc.MarshalJSON(tx)
if err != nil {
return err
}
buf := bytes.NewBuffer([]byte{})
err = json.Indent(buf, bz, "", " ")
if err != nil {
return err
}
fmt.Println(buf.String())
return nil
}
func main() {
err := rootCmd.Execute()
if err != nil {
os.Exit(1)
}
os.Exit(0)
}