core: differentiate receipt concensus and storage decoding

1 files changed, 20 insertions, 17 deletions

diff --git a/core/vm/log.go b/core/vm/log.go
index 354f0ad35..822476f85 100644
--- a/core/vm/log.go
+++ b/core/vm/log.go
@@ -40,27 +40,30 @@ func NewLog(address common.Address, topics []common.Hash, data []byte, number ui
 	return &Log{Address: address, Topics: topics, Data: data, Number: number}
 }
 
-func (self *Log) EncodeRLP(w io.Writer) error {
-	return rlp.Encode(w, []interface{}{self.Address, self.Topics, self.Data})
+func (l *Log) EncodeRLP(w io.Writer) error {
+	return rlp.Encode(w, []interface{}{l.Address, l.Topics, l.Data})
 }
 
-func (self *Log) String() string {
-	return fmt.Sprintf(`log: %x %x %x %x %d %x %d`, self.Address, self.Topics, self.Data, self.TxHash, self.TxIndex, self.BlockHash, self.Index)
+func (l *Log) DecodeRLP(s *rlp.Stream) error {
+	var log struct {
+		Address common.Address
+		Topics  []common.Hash
+		Data    []byte
+	}
+	if err := s.Decode(&log); err != nil {
+		return err
+	}
+	l.Address, l.Topics, l.Data = log.Address, log.Topics, log.Data
+	return nil
+}
+
+func (l *Log) String() string {
+	return fmt.Sprintf(`log: %x %x %x %x %d %x %d`, l.Address, l.Topics, l.Data, l.TxHash, l.TxIndex, l.BlockHash, l.Index)
 }
 
 type Logs []*Log
 
+// LogForStorage is a wrapper around a Log that flattens and parses the entire
+// content of a log, opposed to only the consensus fields originally (by hiding
+// the rlp interface methods).
 type LogForStorage Log
-
-func (self *LogForStorage) EncodeRLP(w io.Writer) error {
-	return rlp.Encode(w, []interface{}{
-		self.Address,
-		self.Topics,
-		self.Data,
-		self.Number,
-		self.TxHash,
-		self.TxIndex,
-		self.BlockHash,
-		self.Index,
-	})
-}