Test fixes and removed old code. Added VM gas fees

ethutil/common.go

@@ -36,6 +36,7 @@ func CurrencyToString(num *big.Int) string {
 
 var (
 	Big1   = big.NewInt(1)
+	Big2   = big.NewInt(1)
 	Big0   = big.NewInt(0)
 	Big256 = big.NewInt(0xff)
 )

ethutil/parsing.go

@@ -131,7 +131,7 @@ func Instr(instr string) (int, []string, error) {
 
 // Script compilation functions
 // Compiles strings to machine code
-func Compile(instructions ...interface{}) (script []string) {
+func Assemble(instructions ...interface{}) (script []string) {
 	script = make([]string, len(instructions))
 
 	for i, val := range instructions {

ethutil/rlp_test.go

@@ -2,6 +2,7 @@ package ethutil
 
 import (
 	"bytes"
+	"fmt"
 	"math/big"
 	"reflect"
 	"testing"
@@ -119,6 +120,11 @@ func TestEncodeDecodeBytes(t *testing.T) {
 	}
 }
 
+func TestEncodeZero(t *testing.T) {
+	b := NewValue(0).Encode()
+	fmt.Println(b)
+}
+
 func BenchmarkEncodeDecode(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		bytes := Encode([]interface{}{"dog", "god", "cat"})

ethutil/trie_test.go

@@ -1,7 +1,7 @@
 package ethutil
 
 import (
-	"fmt"
+	_ "fmt"
 	"reflect"
 	"testing"
 )