package transaction import ( "encoding/binary" "encoding/hex" "encoding/json" "io" "github.com/CityOfZion/neo-go/pkg/util" ) // Witness contains 2 scripts. type Witness struct { InvocationScript []byte VerificationScript []byte } // DecodeBinary implements the payload interface. func (w *Witness) DecodeBinary(r io.Reader) error { lenb := util.ReadVarUint(r) w.InvocationScript = make([]byte, lenb) if err := binary.Read(r, binary.LittleEndian, w.InvocationScript); err != nil { return err } lenb = util.ReadVarUint(r) w.VerificationScript = make([]byte, lenb) return binary.Read(r, binary.LittleEndian, w.VerificationScript) } // EncodeBinary implements the payload interface. func (w *Witness) EncodeBinary(writer io.Writer) error { if err := util.WriteVarUint(writer, uint64(len(w.InvocationScript))); err != nil { return err } if err := binary.Write(writer, binary.LittleEndian, w.InvocationScript); err != nil { return err } if err := util.WriteVarUint(writer, uint64(len(w.VerificationScript))); err != nil { return err } return binary.Write(writer, binary.LittleEndian, w.VerificationScript) } // MarshalJSON implements the json marshaller interface. func (w *Witness) MarshalJSON() ([]byte, error) { data := map[string]interface{}{ "invocation": hex.EncodeToString(w.InvocationScript), "verification": hex.EncodeToString(w.VerificationScript), } return json.Marshal(data) }