secp256k1 method signing

This commit is contained in:
obscuren 2014-01-05 01:55:03 +01:00
parent 53a30740ee
commit 92c3471445
1 changed files with 23 additions and 0 deletions

View File

@ -3,6 +3,7 @@ package main
import (
"math/big"
"fmt"
"github.com/obscuren/secp256k1-go"
_"encoding/hex"
_"crypto/sha256"
_ "bytes"
@ -73,6 +74,28 @@ func (tx *Transaction) Hash() []byte {
return Sha256Bin(tx.MarshalRlp())
}
func (tx *Transaction) IsContract() bool {
return tx.recipient == ""
}
func (tx *Transaction) Signature() []byte {
hash := Sha256Bin(tx.MarshalRlp())
sec := Sha256Bin([]byte("myprivkey"))
sig, _ := secp256k1.Sign(hash, sec)
return sig
}
func (tx *Transaction) PublicKey() []byte {
hash := Sha256Bin(tx.MarshalRlp())
sig := tx.Signature()
pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
return pubkey
}
func (tx *Transaction) MarshalRlp() []byte {
// Prepare the transaction for serialization
preEnc := []interface{}{