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