Running contracts fixed

ethchain/transaction.go

@@ -1,11 +1,14 @@
 package ethchain
 
 import (
+	"bytes"
 	"github.com/ethereum/eth-go/ethutil"
 	"github.com/obscuren/secp256k1-go"
 	"math/big"
 )
 
+var ContractAddr = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+
 type Transaction struct {
 	Nonce     uint64
 	Recipient []byte
@@ -65,7 +68,7 @@ func (tx *Transaction) Hash() []byte {
 }
 
 func (tx *Transaction) IsContract() bool {
-	return len(tx.Recipient) == 0
+	return bytes.Compare(tx.Recipient, ContractAddr) == 0
 }
 
 func (tx *Transaction) Signature(key []byte) []byte {