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ton/crypto/vm/db/StaticBagOfCellsDb.h
2019-09-07 14:33:36 +04:00

61 lines
2.2 KiB
C++

/*
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 2017-2019 Telegram Systems LLP
*/
#pragma once
#include "vm/cells.h"
#include "vm/db/BlobView.h"
#include "td/utils/Status.h"
namespace vm {
class StaticBagOfCellsDb : public std::enable_shared_from_this<StaticBagOfCellsDb> {
public:
virtual ~StaticBagOfCellsDb() = default;
// TODO: handle errors
virtual td::Result<size_t> get_root_count() = 0;
virtual td::Result<Ref<Cell>> get_root_cell(size_t idx) = 0;
protected:
virtual td::Result<Ref<DataCell>> load_by_idx(int idx) = 0;
friend class StaticBocLoader;
friend class StaticBocRootLoader;
td::Result<Ref<Cell>> create_ext_cell(Cell::LevelMask level_mask, td::Slice hash, td::Slice depth, int idx);
td::Result<Ref<Cell>> create_root_ext_cell(Cell::LevelMask level_mask, td::Slice hash, td::Slice depth, int idx);
};
class StaticBagOfCellsDbBaseline {
public:
static td::Result<std::shared_ptr<StaticBagOfCellsDb>> create(std::unique_ptr<BlobView> data);
static td::Result<std::shared_ptr<StaticBagOfCellsDb>> create(td::Slice data);
};
class StaticBagOfCellsDbLazy {
public:
struct Options {
Options() {
}
bool check_crc32c{false};
};
static td::Result<std::shared_ptr<StaticBagOfCellsDb>> create(std::unique_ptr<BlobView> data, Options options = {});
static td::Result<std::shared_ptr<StaticBagOfCellsDb>> create(td::BufferSlice data, Options options = {});
static td::Result<std::shared_ptr<StaticBagOfCellsDb>> create(std::string data, Options options = {});
};
} // namespace vm