Refactored state, state object and vm

* The State and StateObject have been moved to their own package
* The VM is moved to it's own package

ethvm/vm_test.go

@@ -0,0 +1,48 @@
+package ethvm
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go/ethdb"
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/eth-go/ethstate"
+	"github.com/ethereum/eth-go/ethutil"
+	"log"
+	"math/big"
+	"os"
+	"testing"
+)
+
+type TestEnv struct {
+}
+
+func (self TestEnv) GetObject() Object               { return nil }
+func (self TestEnv) Origin() []byte                  { return nil }
+func (self TestEnv) BlockNumber() *big.Int           { return nil }
+func (self TestEnv) PrevHash() []byte                { return nil }
+func (self TestEnv) Coinbase() []byte                { return nil }
+func (self TestEnv) Time() int64                     { return 0 }
+func (self TestEnv) Difficulty() *big.Int            { return nil }
+func (self TestEnv) Data() []string                  { return nil }
+func (self TestEnv) Value() *big.Int                 { return nil }
+func (self TestEnv) GetBalance(addr []byte) *big.Int { return nil }
+func (self TestEnv) State() *ethstate.State          { return nil }
+
+func TestVm(t *testing.T) {
+	ethlog.AddLogSystem(ethlog.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlog.LogLevel(4)))
+
+	db, _ := ethdb.NewMemDatabase()
+	ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
+	ethutil.Config.Db = db
+
+	stateObject := ethstate.NewStateObject([]byte{'j', 'e', 'f', 'f'})
+	callerClosure := NewClosure(stateObject, stateObject, []byte{0x60, 0x01}, big.NewInt(1000000), big.NewInt(0))
+
+	vm := New(TestEnv{})
+	vm.Verbose = true
+
+	ret, _, e := callerClosure.Call(vm, nil)
+	if e != nil {
+		fmt.Println("error", e)
+	}
+	fmt.Println(ret)
+}