neoneo-go/pkg/core/transaction/state_descriptor.go

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package transaction
import (
"io"
"github.com/CityOfZion/neo-go/pkg/util"
)
// DescStateType represents the type of StateDescriptor.
type DescStateType uint8
// Valid DescStateType constants.
const (
Account DescStateType = 0x40
Validator DescStateType = 0x48
)
// StateDescriptor ..
type StateDescriptor struct {
Type DescStateType
Key []byte
Value []byte
Field string
}
// DecodeBinary implements the Payload interface.
func (s *StateDescriptor) DecodeBinary(r io.Reader) error {
br := util.BinReader{R: r}
br.ReadLE(&s.Type)
s.Key = br.ReadBytes()
s.Value = br.ReadBytes()
s.Field = br.ReadString()
return br.Err
}
// EncodeBinary implements the Payload interface.
func (s *StateDescriptor) EncodeBinary(w io.Writer) error {
bw := util.BinWriter{W: w}
bw.WriteLE(s.Type)
bw.WriteBytes(s.Key)
bw.WriteBytes(s.Value)
bw.WriteString(s.Field)
return bw.Err
}
// Size returns serialized binary size for state descriptor.
func (s *StateDescriptor) Size() int {
return 1 + util.GetVarSize(s.Key) + util.GetVarSize(s.Value) + util.GetVarSize(s.Field)
}