forked from TrueCloudLab/neoneo-go
5bf00db2c9
The logic here is that we'll have all binary encoding/decoding done via our io package, which simplifies error handling. This functionality doesn't belong to util, so it's moved. This also expands BufBinWriter with Reset() method to fit the needs of core package.
41 lines
749 B
Go
41 lines
749 B
Go
package core
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/CityOfZion/neo-go/pkg/io"
|
|
)
|
|
|
|
// Header holds the head info of a block.
|
|
type Header struct {
|
|
// Base of the block.
|
|
BlockBase
|
|
// Padding that is fixed to 0
|
|
_ uint8
|
|
}
|
|
|
|
// DecodeBinary implements the Payload interface.
|
|
func (h *Header) DecodeBinary(r *io.BinReader) error {
|
|
if err := h.BlockBase.DecodeBinary(r); err != nil {
|
|
return err
|
|
}
|
|
|
|
var padding uint8
|
|
r.ReadLE(&padding)
|
|
if r.Err != nil {
|
|
return r.Err
|
|
}
|
|
|
|
if padding != 0 {
|
|
return fmt.Errorf("format error: padding must equal 0 got %d", padding)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// EncodeBinary implements the Payload interface.
|
|
func (h *Header) EncodeBinary(w *io.BinWriter) error {
|
|
h.BlockBase.EncodeBinary(w)
|
|
w.WriteLE(uint8(0))
|
|
return w.Err
|
|
}
|