neo-go/_pkg.dev/wire/payload/transaction/statedescriptor.go
Roman Khimov ddd1d92ff1 pkg: hide it by moving to _pkg.dev
The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.
2019-08-20 18:39:50 +03:00

55 lines
1.1 KiB
Go

package transaction
import (
"github.com/CityOfZion/neo-go/pkg/wire/util"
)
// DescStateType represents the type of StateDescriptor.
type DescStateType uint8
// Valid DescStateType constants.
const (
Account DescStateType = 0x40
Validator DescStateType = 0x48
)
// StateDescriptor represents a state descriptor on the neo network
// used in a state transaction
type StateDescriptor struct {
Type DescStateType
Key []byte
Value []byte
Field string
}
// Decode decodes a binary reader into a state descriptor
func (s *StateDescriptor) Decode(br *util.BinReader) {
br.Read(&s.Type)
keyLen := br.VarUint()
s.Key = make([]byte, keyLen)
br.Read(s.Key)
valLen := br.VarUint()
s.Value = make([]byte, valLen)
br.Read(s.Value)
fieldLen := br.VarUint()
field := make([]byte, fieldLen)
br.Read(field)
s.Field = string(field)
}
//Encode encodes a state descriptor into a binary writer
func (s *StateDescriptor) Encode(bw *util.BinWriter) {
bw.Write(s.Type)
bw.VarUint(uint64(len(s.Key)))
bw.Write(s.Key)
bw.VarUint(uint64(len(s.Value)))
bw.Write(s.Value)
bw.VarString(s.Field)
}