#146 Cli: Add possibility to restore acc from priv keys

cli/commands/importprivate.go

@@ -0,0 +1,125 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/hex"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/keys"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/mintkey"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/tendermint/btcd/btcec"
+	"github.com/tendermint/go-amino"
+	"github.com/tendermint/tendermint/crypto/secp256k1"
+	"github.com/tendermint/tendermint/libs/cli"
+)
+
+const (
+	flagName = "name"
+)
+
+//info = kb.writeLocalKey(secp256k1.PrivKeySecp256k1(derivedPriv), name, passwd)
+
+// LinkTxCmd will create a link tx and sign it with the given key.
+func ImportPrivateKeyCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "import_private <name>",
+		Short: "Import private key",
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+
+			rootDir := viper.GetString(cli.HomeFlag)
+			kb, _ := keys.GetKeyBaseFromDirWithWritePerm(rootDir)
+			//var privateKey [32]byte
+			//
+			//kbType := reflect.TypeOf(kb)
+			//fmt.Println(kbType)
+			//
+			//kbValue := reflect.ValueOf(kb).Convert(kbType)
+			//fmt.Println(kbValue.NumMethod())
+			//
+			//method := reflect.ValueOf(kb).Convert(kbType).MethodByName("writeLocalKey")
+			//in := make([]reflect.Value, 3)
+			//in[0] = reflect.ValueOf(secp256k1.PrivKeySecp256k1(privateKey))
+			//in[1] = reflect.ValueOf("artur54321")
+			//in[2] = reflect.ValueOf("12345668")
+			//
+			//resp := method.Call(in)
+			//fmt.Println(resp)
+
+			//cbd19msfav283ykk2yeedv2hjfwjrp3xfdg0we7vdj
+			//cbdpub1addwnpepqthpt3zevh30gn3cfd5eelf3zuw2kxaqj948tjhu3ztrdervejwucsalyeq
+			//[38 45 173 80 146 139 15 246 55 75 107 187 25 121 131 220 152 254 99 73 204 227 249 40 107 134 252 237 74 55 4 169]
+			//[235 90 233 135 33 2 129 33 115 9 231 5 65 199 75 91 150 174 228 90 235 212 46 136 215 242 138 140 160 175 8 247 179 72 246 3 162 217]
+			//armor, _ := kb.Export("artur2")
+			//infoBytes, _ := mintkey.UnarmorInfoBytes(armor)
+			//fmt.Println(infoBytes)
+
+			name := args[0]
+
+			bufStdin := client.BufferStdin()
+			encryptPassword, err := client.GetCheckPassword(
+				"Enter a passphrase to encrypt your key to disk:",
+				"Repeat the passphrase:", bufStdin)
+
+			privateKey, err := client.GetString(
+				"Enter your private key (hex encoded):", bufStdin)
+			if err != nil {
+				return err
+			}
+			//pubKey := [33]byte{2, 129, 33, 115, 9, 231, 5, 65, 199, 75, 91, 150, 174, 228, 90, 235, 212, 46, 136, 215, 242, 138, 140, 160, 175, 8, 247, 179, 72, 246, 3, 162, 217}
+			//privKey := [32]byte{38, 45, 173, 80, 146, 139, 15, 246, 55, 75, 107, 187, 25, 121, 131, 220, 152, 254, 99, 73, 204, 227, 249, 40, 107, 134, 252, 237, 74, 55, 4, 169}
+
+			b, _ := hex.DecodeString(privateKey)
+
+			privKey, pubKey := btcec.PrivKeyFromBytes(btcec.S256(), b)
+			ethPubkey, _ := btcec.ParsePubKey(pubKey.SerializeUncompressed(), btcec.S256())
+
+			var cbdPubKey [33]byte
+			copy(cbdPubKey[:], ethPubkey.SerializeCompressed()[:])
+
+			var cbdPribKey [32]byte
+			copy(cbdPribKey[:], privKey.Serialize()[:])
+
+			pkArmor := mintkey.EncryptArmorPrivKey(secp256k1.PrivKeySecp256k1(cbdPribKey), encryptPassword)
+
+			buf := bytes.NewBuffer(nil)
+
+			buf.Write([]byte{13, 173, 21, 61, 10})
+			amino.EncodeString(buf, name)
+			buf.Write([]byte{18, 38, 235, 90, 233, 135, 33})
+			buf.Write(cbdPubKey[:])
+			buf.Write([]byte{26})
+			amino.EncodeString(buf, pkArmor)
+
+			bz := buf.Bytes()
+			bufRes := bytes.NewBuffer(nil)
+			amino.EncodeUvarint(bufRes, uint64(len(bz)))
+			bufRes.Write(bz)
+
+			armorStr := mintkey.ArmorInfoBytes(bufRes.Bytes())
+			// import armored bytesm
+			kb.Import(name, armorStr)
+
+			//pk, _ := kb.ExportPrivateKeyObject("artur", "1234qwer")
+			//fmt.Println(pk)
+			//pk, _ := kb.ExportPubKey("artur")
+			//pkUn, _ := mintkey.UnarmorPubKeyBytes(pk)
+			//fmt.Println(pkUn)
+			//
+			//pkArmor := mintkey.EncryptArmorPrivKey(pk, "1234qwer")
+			//fmt.Println(pkArmor)
+
+			//eager salon spare notice expire throw chaos hub dune poverty stuff trim ancient fame armor domain bring topple thing boost impulse hire best scorpion
+			//2 129 ... 162 217
+			//info, _ := kb.CreateKey("artur", "eager salon spare notice expire throw chaos hub dune poverty stuff trim ancient fame armor domain bring topple thing boost impulse hire best scorpion", "1234qwer")
+			//fmt.Println(info)
+
+			return nil
+		},
+	}
+
+	cmd.Flags().String(flagName, "", "Name of key owner")
+
+	return cmd
+}

cli/main.go

@@ -60,6 +60,7 @@ func main() {
 		keys.Commands(),
 		client.LineBreak,
 		version.VersionCmd,
+		cyberdcmd.ImportPrivateKeyCmd(),
 	)
 
 	cyberdcli.AddCommand(

go.mod

@@ -57,7 +57,7 @@ require (
 	github.com/spf13/viper v1.0.0
 	github.com/stretchr/testify v1.2.1
 	github.com/syndtr/goleveldb v0.0.0-20181128100959-b001fa50d6b2 // indirect
-	github.com/tendermint/btcd v0.0.0-20180816174608-e5840949ff4f // indirect
+	github.com/tendermint/btcd v0.0.0-20180816174608-e5840949ff4f
 	github.com/tendermint/go-amino v0.14.1
 	github.com/tendermint/iavl v0.12.0 // indirect
 	github.com/tendermint/tendermint v0.27.4