36 lines
886 B
Go
36 lines
886 B
Go
package payload
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import (
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"errors"
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"github.com/nspcc-dev/neo-go/pkg/io"
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)
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// GetBlockByIndex payload.
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type GetBlockByIndex struct {
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IndexStart uint32
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Count int16
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}
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// NewGetBlockByIndex returns GetBlockByIndex payload with specified start index and count.
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func NewGetBlockByIndex(indexStart uint32, count int16) *GetBlockByIndex {
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return &GetBlockByIndex{
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IndexStart: indexStart,
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Count: count,
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}
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}
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// DecodeBinary implements Serializable interface.
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func (d *GetBlockByIndex) DecodeBinary(br *io.BinReader) {
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d.IndexStart = br.ReadU32LE()
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d.Count = int16(br.ReadU16LE())
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if d.Count < -1 || d.Count == 0 || d.Count > MaxHeadersAllowed {
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br.Err = errors.New("invalid block count")
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}
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}
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// EncodeBinary implements Serializable interface.
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func (d *GetBlockByIndex) EncodeBinary(bw *io.BinWriter) {
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bw.WriteU32LE(d.IndexStart)
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bw.WriteU16LE(uint16(d.Count))
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}
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