51 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package crypto
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import (
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	"strings"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/crypto/secp256k1"
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)
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type KeyPair struct {
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	PrivateKey []byte
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	PublicKey  []byte
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	address    []byte
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	mnemonic   string
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	// The associated account
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	// account *StateObject
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}
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func GenerateNewKeyPair() *KeyPair {
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	_, prv := secp256k1.GenerateKeyPair()
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	keyPair, _ := NewKeyPairFromSec(prv) // swallow error, this one cannot err
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	return keyPair
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}
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func NewKeyPairFromSec(seckey []byte) (*KeyPair, error) {
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	pubkey, err := secp256k1.GeneratePubKey(seckey)
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	if err != nil {
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		return nil, err
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	}
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	return &KeyPair{PrivateKey: seckey, PublicKey: pubkey}, nil
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}
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func (k *KeyPair) Address() []byte {
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	if k.address == nil {
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		k.address = Sha3(k.PublicKey[1:])[12:]
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	}
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	return k.address
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}
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func (k *KeyPair) Mnemonic() string {
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	if k.mnemonic == "" {
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		k.mnemonic = strings.Join(MnemonicEncode(common.Bytes2Hex(k.PrivateKey)), " ")
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	}
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	return k.mnemonic
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}
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func (k *KeyPair) AsStrings() (string, string, string, string) {
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	return k.Mnemonic(), common.Bytes2Hex(k.Address()), common.Bytes2Hex(k.PrivateKey), common.Bytes2Hex(k.PublicKey)
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}
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