Merge pull request #7 from initia-labs/bug/prepend-length

bug fix prepending length

executor/batch/utils.go

@@ -14,7 +14,7 @@ import (
 // prependLength prepends the length of the data to the data.
 func prependLength(data []byte) []byte {
 	lengthBytes := make([]byte, 8)
-	binary.LittleEndian.PutUint64(lengthBytes, uint64(len(lengthBytes)))
+	binary.LittleEndian.PutUint64(lengthBytes, uint64(len(data)))
 	return append(lengthBytes, data...)
 }