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

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package transaction
import (
"io"
"github.com/CityOfZion/neo-go/pkg/util"
)
// StateTX represents a state transaction.
type StateTX struct {
Descriptors []*StateDescriptor
}
// DecodeBinary implements the Payload interface.
func (tx *StateTX) DecodeBinary(r io.Reader) error {
br := util.BinReader{R: r}
lenDesc := br.ReadVarUint()
if br.Err != nil {
return br.Err
}
tx.Descriptors = make([]*StateDescriptor, lenDesc)
for i := 0; i < int(lenDesc); i++ {
tx.Descriptors[i] = &StateDescriptor{}
if err := tx.Descriptors[i].DecodeBinary(r); err != nil {
return err
}
}
return nil
}
// EncodeBinary implements the Payload interface.
func (tx *StateTX) EncodeBinary(w io.Writer) error {
bw := util.BinWriter{W: w}
bw.WriteVarUint(uint64(len(tx.Descriptors)))
if bw.Err != nil {
return bw.Err
}
for _, desc := range tx.Descriptors {
err := desc.EncodeBinary(w)
if err != nil {
return err
}
}
return nil
}
// Size returns serialized binary size for this transaction.
func (tx *StateTX) Size() int {
sz := util.GetVarSize(uint64(len(tx.Descriptors)))
for _, desc := range tx.Descriptors {
sz += desc.Size()
}
return sz
}