neoneo-go/pkg/network/payload/getblocks.go
2019-08-28 19:45:17 +03:00

46 lines
1.1 KiB
Go

package payload
import (
"io"
"github.com/CityOfZion/neo-go/pkg/util"
)
// GetBlocks contains fields and methods to be shared with the
type GetBlocks struct {
// hash of latest block that node requests
HashStart []util.Uint256
// hash of last block that node requests
HashStop util.Uint256
}
// NewGetBlocks return a pointer to a GetBlocks object.
func NewGetBlocks(start []util.Uint256, stop util.Uint256) *GetBlocks {
return &GetBlocks{
HashStart: start,
HashStop: stop,
}
}
// DecodeBinary implements the payload interface.
func (p *GetBlocks) DecodeBinary(r io.Reader) error {
br := util.BinReader{R: r}
lenStart := br.ReadVarUint()
p.HashStart = make([]util.Uint256, lenStart)
br.ReadLE(&p.HashStart)
br.ReadLE(&p.HashStop)
return br.Err
}
// EncodeBinary implements the payload interface.
func (p *GetBlocks) EncodeBinary(w io.Writer) error {
bw := util.BinWriter{W: w}
bw.WriteVarUint(uint64(len(p.HashStart)))
bw.WriteLE(p.HashStart)
bw.WriteLE(p.HashStop)
return bw.Err
}
// Size implements the payload interface.
func (p *GetBlocks) Size() uint32 { return 0 }