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44 lines
1 KiB
Go
44 lines
1 KiB
Go
package payload
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import (
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"errors"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/util"
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)
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// MerkleBlock represents a merkle block packet payload.
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type MerkleBlock struct {
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*block.Header
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TxCount int
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Hashes []util.Uint256
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Flags []byte
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}
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// DecodeBinary implements the Serializable interface.
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func (m *MerkleBlock) DecodeBinary(br *io.BinReader) {
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m.Header = &block.Header{}
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m.Header.DecodeBinary(br)
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txCount := int(br.ReadVarUint())
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if txCount > block.MaxTransactionsPerBlock {
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br.Err = block.ErrMaxContentsPerBlock
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return
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}
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m.TxCount = txCount
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br.ReadArray(&m.Hashes, m.TxCount)
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if txCount != len(m.Hashes) {
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br.Err = errors.New("invalid tx count")
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}
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m.Flags = br.ReadVarBytes((txCount + 7) / 8)
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}
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// EncodeBinary implements the Serializable interface.
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func (m *MerkleBlock) EncodeBinary(bw *io.BinWriter) {
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m.Header.EncodeBinary(bw)
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bw.WriteVarUint(uint64(m.TxCount))
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bw.WriteArray(m.Hashes)
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bw.WriteVarBytes(m.Flags)
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}
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