From 25314313f8eefd5ae8d13b4c687e4811703eec2a Mon Sep 17 00:00:00 2001 From: zelig Date: Sun, 29 Jun 2014 20:28:04 +0100 Subject: [PATCH] added Mnemonic() and AsStrings() methods, added memoization for address --- ethcrypto/keypair.go | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/ethcrypto/keypair.go b/ethcrypto/keypair.go index ae9db3698..18fa5b788 100644 --- a/ethcrypto/keypair.go +++ b/ethcrypto/keypair.go @@ -3,12 +3,14 @@ package ethcrypto import ( "github.com/ethereum/eth-go/ethutil" "github.com/obscuren/secp256k1-go" + "strings" ) type KeyPair struct { PrivateKey []byte PublicKey []byte - + address []byte + mnemonic string // The associated account // account *StateObject } @@ -29,7 +31,21 @@ func NewKeyPairFromSec(seckey []byte) (*KeyPair, error) { } func (k *KeyPair) Address() []byte { - return Sha3Bin(k.PublicKey[1:])[12:] + if k.address == nil { + k.address = Sha3Bin(k.PublicKey[1:])[12:] + } + return k.address +} + +func (k *KeyPair) Mnemonic() string { + if k.mnemonic == "" { + k.mnemonic = strings.Join(MnemonicEncode(ethutil.Bytes2Hex(k.PrivateKey)), " ") + } + return k.mnemonic +} + +func (k *KeyPair) AsStrings() (string, string, string, string) { + return k.Mnemonic(), ethutil.Bytes2Hex(k.Address()), ethutil.Bytes2Hex(k.PrivateKey), ethutil.Bytes2Hex(k.PublicKey) } func (k *KeyPair) RlpEncode() []byte {