plugeth/ethchain/keypair.go
obscuren 9c6aca7893 Merged accounts and contracts in to StateObject
* Account removed
* Contract removed
* Address state changed to CachedStateObject
* Added StateObject
2014-04-16 04:06:51 +02:00

78 lines
1.5 KiB
Go

package ethchain
import (
"github.com/ethereum/eth-go/ethutil"
"math/big"
)
type KeyPair struct {
PrivateKey []byte
PublicKey []byte
// The associated account
account *StateObject
state *State
}
func NewKeyPairFromValue(val *ethutil.Value) *KeyPair {
keyPair := &KeyPair{PrivateKey: val.Get(0).Bytes(), PublicKey: val.Get(1).Bytes()}
return keyPair
}
func (k *KeyPair) Address() []byte {
return ethutil.Sha3Bin(k.PublicKey[1:])[12:]
}
func (k *KeyPair) Account() *StateObject {
if k.account == nil {
k.account = k.state.GetAccount(k.Address())
}
return k.account
}
// Create transaction, creates a new and signed transaction, ready for processing
func (k *KeyPair) CreateTx(receiver []byte, value *big.Int, data []string) *Transaction {
/* TODO
tx := NewTransaction(receiver, value, data)
tx.Nonce = k.account.Nonce
// Sign the transaction with the private key in this key chain
tx.Sign(k.PrivateKey)
return tx
*/
return nil
}
func (k *KeyPair) RlpEncode() []byte {
return ethutil.EmptyValue().Append(k.PrivateKey).Append(k.PublicKey).Encode()
}
type KeyRing struct {
keys []*KeyPair
}
func (k *KeyRing) Add(pair *KeyPair) {
k.keys = append(k.keys, pair)
}
// The public "singleton" keyring
var keyRing *KeyRing
func GetKeyRing(state *State) *KeyRing {
if keyRing == nil {
keyRing = &KeyRing{}
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
it := ethutil.NewValueFromBytes(data).NewIterator()
for it.Next() {
v := it.Value()
keyRing.Add(NewKeyPairFromValue(v))
}
}
return keyRing
}