/*
    This file is part of TON Blockchain Library.

    TON Blockchain Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    TON Blockchain Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2017-2020 Telegram Systems LLP
*/

#pragma once

#include "TorrentHeader.h"
#include "TorrentInfo.h"

#include "td/utils/optional.h"

namespace ton {
//
// torrent_file#6a7181e0 flags:(## 32) info_boc_size:uint32
//   root_proof_boc_size:flags.0?uint32
//   info_boc:(info_boc_size * [uint8])
//   root_proof_boc:flags.0?(root_proof_boc_size * [uint8])
//   header:flags.1?TorrentHeader = TorrentMeta;
//
struct TorrentMeta {
  TorrentMeta() = default;
  explicit TorrentMeta(TorrentInfo info, td::Ref<vm::Cell> root_proof = {}, td::optional<TorrentHeader> header = {})
      : info(std::move(info)), root_proof(std::move(root_proof)), header(std::move(header)) {
  }

  TorrentInfo info;
  td::Ref<vm::Cell> root_proof;
  td::optional<TorrentHeader> header;

  static td::Result<TorrentMeta> deserialize(td::Slice data);

  std::string serialize() const;

  static constexpr td::uint64 type = 0x6a7181e0;
  template <class StorerT>
  void store(StorerT &storer) const;

  template <class ParserT>
  void parse(ParserT &parser);
};
}  // namespace ton