cosmos-sdk/codec/json.go

47 lines
1.1 KiB
Go

package codec
import (
"bytes"
"github.com/cosmos/cosmos-sdk/codec/types"
"github.com/gogo/protobuf/jsonpb"
"github.com/gogo/protobuf/proto"
)
// ProtoMarshalJSON provides an auxiliary function to return Proto3 JSON encoded
// bytes of a message.
func ProtoMarshalJSON(msg proto.Message) ([]byte, error) {
jm := &jsonpb.Marshaler{EmitDefaults: false, OrigName: false}
err := types.UnpackInterfaces(msg, types.ProtoJSONPacker{JSONPBMarshaler: jm})
if err != nil {
return nil, err
}
buf := new(bytes.Buffer)
if err := jm.Marshal(buf, msg); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// ProtoMarshalJSONIndent provides an auxiliary function to return Proto3 indented
// JSON encoded bytes of a message.
func ProtoMarshalJSONIndent(msg proto.Message) ([]byte, error) {
jm := &jsonpb.Marshaler{EmitDefaults: false, OrigName: false, Indent: " "}
err := types.UnpackInterfaces(msg, types.ProtoJSONPacker{JSONPBMarshaler: jm})
if err != nil {
return nil, err
}
buf := new(bytes.Buffer)
if err := jm.Marshal(buf, msg); err != nil {
return nil, err
}
return buf.Bytes(), nil
}