3 files changed, 32 insertions, 6 deletions
diff --git a/ethutil/bytes.go b/ethutil/bytes.go
index d68a69433..34fff7d42 100644
--- a/ethutil/bytes.go
+++ b/ethutil/bytes.go
@@ -118,7 +118,7 @@ func FormatData(data string) []byte {
 	// Simple stupid
 	d := new(big.Int)
 	if data[0:1] == "\"" && data[len(data)-1:] == "\"" {
-		return RightPadBytes([]byte(data), 32)
+		return RightPadBytes([]byte(data[1:len(data)-1]), 32)
 	} else if len(data) > 1 && data[:2] == "0x" {
 		d.SetBytes(Hex2Bytes(data[2:]))
 	} else {
@@ -149,3 +149,17 @@ func LeftPadBytes(slice []byte, l int) []byte {
 
 	return padded
 }
+
+func Address(slice []byte) (addr []byte) {
+	if len(slice) < 20 {
+		addr = LeftPadBytes(slice, 20)
+	} else if len(slice) > 20 {
+		addr = slice[len(slice)-20:]
+	} else {
+		addr = slice
+	}
+
+	addr = CopyBytes(addr)
+
+	return
+}
diff --git a/ethutil/config.go b/ethutil/config.go
index 2f3d706fe..41bece21d 100644
--- a/ethutil/config.go
+++ b/ethutil/config.go
@@ -14,6 +14,7 @@ type ConfigManager struct {
 	ExecPath string
 	Debug    bool
 	Diff     bool
+	DiffType string
 	Paranoia bool
 
 	conf *globalconf.GlobalConf
diff --git a/ethutil/value.go b/ethutil/value.go
index b37b33c28..fba7426d1 100644
--- a/ethutil/value.go
+++ b/ethutil/value.go
@@ -40,13 +40,9 @@ func (val *Value) Len() int {
 	//return val.kind.Len()
 	if data, ok := val.Val.([]interface{}); ok {
 		return len(data)
-	} else if data, ok := val.Val.([]byte); ok {
-		return len(data)
-	} else if data, ok := val.Val.(string); ok {
-		return len(data)
 	}
 
-	return 0
+	return len(val.Bytes())
 }
 
 func (val *Value) Raw() interface{} {
@@ -118,6 +114,8 @@ func (val *Value) Bytes() []byte {
 		return []byte{s}
 	} else if s, ok := val.Val.(string); ok {
 		return []byte(s)
+	} else if s, ok := val.Val.(*big.Int); ok {
+		return s.Bytes()
 	}
 
 	return []byte{}
@@ -190,6 +188,19 @@ func (val *Value) Get(idx int) *Value {
 	return NewValue(nil)
 }
 
+func (self *Value) Copy() *Value {
+	switch val := self.Val.(type) {
+	case *big.Int:
+		return NewValue(new(big.Int).Set(val))
+	case []byte:
+		return NewValue(CopyBytes(val))
+	default:
+		return NewValue(self.Val)
+	}
+
+	return nil
+}
+
 func (val *Value) Cmp(o *Value) bool {
 	return reflect.DeepEqual(val.Val, o.Val)
 }