diff --git a/ethchain/state_manager.go b/ethchain/state_manager.go
index 14686b217f..50c7773497 100644
--- a/ethchain/state_manager.go
+++ b/ethchain/state_manager.go
@@ -305,19 +305,17 @@ func (sm *StateManager) ProcessContract(contract *Contract, tx *Transaction, blo
 			}
 		}()
 	*/
-
-	/*TODO to be fixed and replaced by the new vm
-	vm := &Vm{}
-	vm.Process(contract, sm.procState, RuntimeVars{
-		address:     tx.Hash()[12:],
+	caller := sm.procState.GetAccount(tx.Sender())
+	closure := NewClosure(caller, contract, sm.procState, tx.Gas, tx.Value)
+	vm := NewVm(sm.procState, RuntimeVars{
+		origin:      caller.Address,
 		blockNumber: block.BlockInfo().Number,
-		sender:      tx.Sender(),
 		prevHash:    block.PrevHash,
 		coinbase:    block.Coinbase,
 		time:        block.Time,
 		diff:        block.Difficulty,
-		txValue:     tx.Value,
-		txData:      tx.Data,
+		// XXX Tx data? Could be just an argument to the closure instead
+		txData: nil,
 	})
-	*/
+	closure.Call(vm, nil)
 }
diff --git a/ethchain/transaction.go b/ethchain/transaction.go
index 57df9cdc4d..3b07c81d45 100644
--- a/ethchain/transaction.go
+++ b/ethchain/transaction.go
@@ -13,22 +13,31 @@ type Transaction struct {
 	Nonce     uint64
 	Recipient []byte
 	Value     *big.Int
+	Gas       *big.Int
+	Gasprice  *big.Int
 	Data      []string
-	Memory    []int
 	v         byte
 	r, s      []byte
 }
 
 func NewTransaction(to []byte, value *big.Int, data []string) *Transaction {
-	tx := Transaction{Recipient: to, Value: value}
-	tx.Nonce = 0
-
-	// Serialize the data
-	tx.Data = data
+	tx := Transaction{Recipient: to, Value: value, Nonce: 0, Data: data}
 
 	return &tx
 }
 
+func NewContractCreationTx(value, gasprice *big.Int, data []string) *Transaction {
+	return &Transaction{Value: value, Gasprice: gasprice, Data: data}
+}
+
+func NewContractMessageTx(to []byte, value, gasprice, gas *big.Int, data []string) *Transaction {
+	return &Transaction{Recipient: to, Value: value, Gasprice: gasprice, Gas: gas, Data: data}
+}
+
+func NewTx(to []byte, value *big.Int, data []string) *Transaction {
+	return &Transaction{Recipient: to, Value: value, Gasprice: big.NewInt(0), Gas: big.NewInt(0), Nonce: 0, Data: data}
+}
+
 // XXX Deprecated
 func NewTransactionFromData(data []byte) *Transaction {
 	return NewTransactionFromBytes(data)