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package crypto
import (
"strings"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/obscuren/secp256k1-go"
)
type KeyPair struct {
PrivateKey []byte
PublicKey []byte
address []byte
mnemonic string
// The associated account
// account *StateObject
}
func GenerateNewKeyPair() *KeyPair {
_, prv := secp256k1.GenerateKeyPair()
keyPair, _ := NewKeyPairFromSec(prv) // swallow error, this one cannot err
return keyPair
}
func NewKeyPairFromSec(seckey []byte) (*KeyPair, error) {
pubkey, err := secp256k1.GeneratePubKey(seckey)
if err != nil {
return nil, err
}
return &KeyPair{PrivateKey: seckey, PublicKey: pubkey}, nil
}
func (k *KeyPair) Address() []byte {
if k.address == nil {
k.address = Sha3(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 {
return k.RlpValue().Encode()
}
func (k *KeyPair) RlpValue() *ethutil.Value {
return ethutil.NewValue(k.PrivateKey)
}
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