1 files changed, 22 insertions, 5 deletions
diff --git a/state/log.go b/state/log.go
index 73039d7ce..49da30535 100644
--- a/state/log.go
+++ b/state/log.go
@@ -1,6 +1,11 @@
 package state
 
-import "github.com/ethereum/go-ethereum/ethutil"
+import (
+	"fmt"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+)
 
 type Log struct {
 	Address []byte
@@ -8,8 +13,8 @@ type Log struct {
 	Data    []byte
 }
 
-func NewLogFromValue(decoder *ethutil.Value) Log {
-	log := Log{
+func NewLogFromValue(decoder *ethutil.Value) *Log {
+	log := &Log{
 		Address: decoder.Get(0).Bytes(),
 		Data:    decoder.Get(2).Bytes(),
 	}
@@ -22,11 +27,15 @@ func NewLogFromValue(decoder *ethutil.Value) Log {
 	return log
 }
 
-func (self Log) RlpData() interface{} {
+func (self *Log) RlpData() interface{} {
 	return []interface{}{self.Address, ethutil.ByteSliceToInterface(self.Topics), self.Data}
 }
 
-type Logs []Log
+func (self *Log) String() string {
+	return fmt.Sprintf(`log: %x %x %x`, self.Address, self.Topics, self.Data)
+}
+
+type Logs []*Log
 
 func (self Logs) RlpData() interface{} {
 	data := make([]interface{}, len(self))
@@ -36,3 +45,11 @@ func (self Logs) RlpData() interface{} {
 
 	return data
 }
+
+func (self Logs) String() string {
+	var logs []string
+	for _, log := range self {
+		logs = append(logs, log.String())
+	}
+	return "[ " + strings.Join(logs, ", ") + " ]"
+}