update master (#487)

[bytom/bytom.git] / blockchain / txbuilder / data_witness.go

diff --git a/blockchain/txbuilder/data_witness.go b/blockchain/txbuilder/data_witness.go
index 4120fe9..0060ed0 100755 (executable)
--- a/blockchain/txbuilder/data_witness.go
+++ b/blockchain/txbuilder/data_witness.go
@@ -6,6 +6,7 @@ import (
        chainjson "github.com/bytom/encoding/json"
 )
 
+// DataWitness used sign transaction
 type DataWitness chainjson.HexBytes
 
 func (dw DataWitness) materialize(args *[][]byte) error {
@@ -13,6 +14,7 @@ func (dw DataWitness) materialize(args *[][]byte) error {
        return nil
 }
 
+// MarshalJSON marshal DataWitness
 func (dw DataWitness) MarshalJSON() ([]byte, error) {
        x := struct {
                Type  string             `json:"type"`