neo-go/pkg/core/transaction/witness.go
Steven Jack 0b023c5c5c Small RPC improvements (#57)
* Few tweaks to improve output of `getblock`

* Adds few more fields and corrects witness

* Bumps version

* Only reverse when marshalling for moment

* Adds README for rpc package

* Few updates

* Typo

* Adds link in main readme

* Fix readme link
2018-03-30 08:15:03 +02:00

52 lines
1.4 KiB
Go

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)
}