forked from cerc-io/laconicd-deprecated
100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
package client
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client"
|
|
"github.com/cosmos/cosmos-sdk/client/flags"
|
|
"github.com/cosmos/cosmos-sdk/client/input"
|
|
"github.com/cosmos/cosmos-sdk/crypto"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/ethereum/go-ethereum/common/hexutil"
|
|
ethcrypto "github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/spf13/cobra"
|
|
|
|
"github.com/cerc-io/laconicd/crypto/ethsecp256k1"
|
|
"github.com/cerc-io/laconicd/crypto/hd"
|
|
"github.com/cosmos/cosmos-sdk/crypto/keyring"
|
|
)
|
|
|
|
// UnsafeExportEthKeyCommand exports a key with the given name as a private key in hex format.
|
|
func UnsafeExportEthKeyCommand() *cobra.Command {
|
|
return &cobra.Command{
|
|
Use: "unsafe-export-eth-key [name]",
|
|
Short: "**UNSAFE** Export an Ethereum private key",
|
|
Long: `**UNSAFE** Export an Ethereum private key unencrypted to use in dev tooling`,
|
|
Args: cobra.ExactArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
inBuf := bufio.NewReader(cmd.InOrStdin())
|
|
|
|
keyringBackend, _ := cmd.Flags().GetString(flags.FlagKeyringBackend)
|
|
rootDir, _ := cmd.Flags().GetString(flags.FlagHome)
|
|
clientCtx := client.GetClientContextFromCmd(cmd)
|
|
kr, err := keyring.New(
|
|
sdk.KeyringServiceName(),
|
|
keyringBackend,
|
|
rootDir,
|
|
inBuf,
|
|
clientCtx.Codec,
|
|
hd.EthSecp256k1Option(),
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
decryptPassword := ""
|
|
conf := true
|
|
|
|
switch keyringBackend {
|
|
case keyring.BackendFile:
|
|
decryptPassword, err = input.GetPassword(
|
|
"**WARNING this is an unsafe way to export your unencrypted private key**\nEnter key password:",
|
|
inBuf)
|
|
case keyring.BackendOS:
|
|
conf, err = input.GetConfirmation(
|
|
"**WARNING** this is an unsafe way to export your unencrypted private key, are you sure?",
|
|
inBuf, cmd.ErrOrStderr())
|
|
}
|
|
if err != nil || !conf {
|
|
return err
|
|
}
|
|
|
|
// Exports private key from keybase using password
|
|
armor, err := kr.ExportPrivKeyArmor(args[0], decryptPassword)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
privKey, algo, err := crypto.UnarmorDecryptPrivKey(armor, decryptPassword)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if algo != ethsecp256k1.KeyType {
|
|
return fmt.Errorf("invalid key algorithm, got %s, expected %s", algo, ethsecp256k1.KeyType)
|
|
}
|
|
|
|
// Converts key to Ethermint secp256k1 implementation
|
|
ethPrivKey, ok := privKey.(*ethsecp256k1.PrivKey)
|
|
if !ok {
|
|
return fmt.Errorf("invalid private key type %T, expected %T", privKey, ðsecp256k1.PrivKey{})
|
|
}
|
|
|
|
key, err := ethPrivKey.ToECDSA()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Formats key for output
|
|
privB := ethcrypto.FromECDSA(key)
|
|
keyS := strings.ToUpper(hexutil.Encode(privB)[2:])
|
|
|
|
fmt.Println(keyS)
|
|
|
|
return nil
|
|
},
|
|
}
|
|
}
|