Fixed error for invalid transaction

core/error.go

@@ -87,6 +87,24 @@ func IsNonceErr(err error) bool {
 	return ok
 }
 
+type InvalidTxErr struct {
+	Message string
+}
+
+func (err *InvalidTxErr) Error() string {
+	return err.Message
+}
+
+func InvalidTxError(err error) *InvalidTxErr {
+	return &InvalidTxErr{fmt.Sprintf("%v", err)}
+}
+
+func IsInvalidTxErr(err error) bool {
+	_, ok := err.(*InvalidTxErr)
+
+	return ok
+}
+
 type OutOfGasErr struct {
 	Message string
 }

core/state_transition.go

@@ -3,7 +3,6 @@ package core
 import (
 	"fmt"
 	"math/big"
-
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethutil"
 	"github.com/ethereum/go-ethereum/state"
@@ -146,7 +145,7 @@ func (self *StateTransition) preCheck() (err error) {
 
 	// Pre-pay gas / Buy gas of the coinbase account
 	if err = self.BuyGas(); err != nil {
-		return err
+		return InvalidTxError(err)
 	}
 
 	return nil
@@ -167,15 +166,15 @@ func (self *StateTransition) TransitionState() (ret []byte, err error) {
 
 	defer self.RefundGas()
 
-	// Increment the nonce for the next transaction
-	self.state.SetNonce(sender.Address(), sender.Nonce()+1)
-	//sender.Nonce += 1
-
 	// Transaction gas
 	if err = self.UseGas(vm.GasTx); err != nil {
-		return
+		return nil, InvalidTxError(err)
 	}
 
+	// Increment the nonce for the next transaction
+	self.state.SetNonce(sender.Address(), sender.Nonce()+1)
+	//sender.Nonce += 1
+
 	// Pay data gas
 	var dgas int64
 	for _, byt := range self.data {

tests/helper/vm.go

@@ -167,6 +167,7 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.
 	// Set pre compiled contracts
 	vm.Precompiled = vm.PrecompiledContracts()
 
+	snapshot := statedb.Copy()
 	coinbase := statedb.GetOrNewStateObject(caddr)
 	coinbase.SetGasPool(ethutil.Big(env["currentGasLimit"]))
 
@@ -175,6 +176,9 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.
 	st := core.NewStateTransition(vmenv, message, coinbase)
 	vmenv.origin = keyPair.Address()
 	ret, err := st.TransitionState()
+	if core.IsNonceErr(err) || core.IsInvalidTxErr(err) {
+		statedb.Set(snapshot)
+	}
 	statedb.Update(vmenv.Gas)
 
 	return ret, vmenv.logs, vmenv.Gas, err

tests/vm/gh_test.go

@@ -79,10 +79,6 @@ func RunVmTest(p string, t *testing.T) {
 	helper.CreateFileTests(t, p, &tests)
 
 	for name, test := range tests {
-		helper.Logger.SetLogLevel(4)
-		if name != "callcodeToNameRegistratorAddresTooBigRight" {
-			continue
-		}
 		db, _ := ethdb.NewMemDatabase()
 		statedb := state.New(nil, db)
 		for addr, account := range test.Pre {
@@ -161,7 +157,7 @@ func RunVmTest(p string, t *testing.T) {
 
 		if !isVmTest {
 			if !bytes.Equal(ethutil.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
-				//t.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
+				t.Errorf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
 			}
 		}