package transaction import ( "encoding/binary" "io" "github.com/CityOfZion/neo-go/pkg/util" ) // Input represents a Transaction input (CoinReference). type Input struct { // The hash of the previous transaction. PrevHash util.Uint256 `json:"txid"` // The index of the previous transaction. PrevIndex uint16 `json:"vout"` } // DecodeBinary implements the Payload interface. func (in *Input) DecodeBinary(r io.Reader) error { if err := binary.Read(r, binary.LittleEndian, &in.PrevHash); err != nil { return err } return binary.Read(r, binary.LittleEndian, &in.PrevIndex) } // EncodeBinary implements the Payload interface. func (in *Input) EncodeBinary(w io.Writer) error { if err := binary.Write(w, binary.LittleEndian, in.PrevHash); err != nil { return err } if err := binary.Write(w, binary.LittleEndian, in.PrevIndex); err != nil { return err } return nil } // Size returns the size in bytes of the Input func (in Input) Size() int { return in.PrevHash.Size() + 2 // 2 = sizeOf uint16 }