laconicd/client/import.go

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2021-04-18 15:54:18 +00:00
package client
import (
"bufio"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/client/input"
"github.com/cosmos/cosmos-sdk/crypto"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/ethermint/crypto/ethsecp256k1"
"github.com/ethereum/go-ethereum/common"
"github.com/cosmos/ethermint/crypto/hd"
)
// UnsafeImportKeyCommand imports private keys from a keyfile.
func UnsafeImportKeyCommand() *cobra.Command {
return &cobra.Command{
Use: "unsafe-import-eth-key <name> <pk>",
Short: "**UNSAFE** Import Ethereum private keys into the local keybase",
Long: "**UNSAFE** Import a hex-encoded Ethereum private key into the local keybase.",
Args: cobra.ExactArgs(2),
RunE: runImportCmd,
}
}
func runImportCmd(cmd *cobra.Command, args []string) error {
inBuf := bufio.NewReader(cmd.InOrStdin())
keyringBackend, _ := cmd.Flags().GetString(flags.FlagKeyringBackend)
rootDir, _ := cmd.Flags().GetString(flags.FlagHome)
kb, err := keyring.New(
sdk.KeyringServiceName(),
keyringBackend,
rootDir,
inBuf,
hd.EthSecp256k1Option(),
)
if err != nil {
return err
}
passphrase, err := input.GetPassword("Enter passphrase to encrypt your key:", inBuf)
if err != nil {
return err
}
privKey := &ethsecp256k1.PrivKey{
Key: common.FromHex(args[1]),
}
armor := crypto.EncryptArmorPrivKey(privKey, passphrase, "eth_secp256k1")
return kb.ImportPrivKey(args[0], armor, passphrase)
}