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