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ton/catchain/catchain.h
2019-09-07 14:33:36 +04:00

126 lines
4.9 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 "adnl/adnl.h"
#include "adnl/utils.hpp"
#include "overlay/overlays.h"
#include "catchain-types.h"
namespace ton {
namespace catchain {
class CatChainBlock {
public:
class Extra {
public:
virtual ~Extra() = default;
};
virtual td::SharedSlice &payload() = 0;
virtual const td::SharedSlice &payload() const = 0;
virtual Extra *extra() const = 0;
virtual std::unique_ptr<Extra> move_extra() = 0;
virtual void set_extra(std::unique_ptr<Extra> extra) = 0;
virtual td::uint32 source() const = 0;
virtual td::uint32 fork() const = 0;
virtual PublicKeyHash source_hash() const = 0;
virtual CatChainBlockHash hash() const = 0;
virtual CatChainBlockHeight height() const = 0;
virtual CatChainBlock *prev() = 0;
virtual const CatChainBlock *prev() const = 0;
virtual const std::vector<CatChainBlock *> &deps() const = 0;
virtual const std::vector<CatChainBlockHeight> &vt() const = 0;
virtual bool preprocess_is_sent() const = 0;
virtual void preprocess_sent() = 0;
virtual bool is_processed() const = 0;
virtual void set_processed() = 0;
virtual bool is_descendant_of(CatChainBlock *block) = 0;
static std::unique_ptr<CatChainBlock> create(td::uint32 src, td::uint32 fork_id, PublicKeyHash src_hash,
CatChainBlockHeight height, CatChainBlockHash hash,
td::SharedSlice payload, CatChainBlock *prev,
std::vector<CatChainBlock *> deps, std::vector<CatChainBlockHeight> vt);
virtual ~CatChainBlock() = default;
};
class CatChain : public td::actor::Actor {
public:
class Callback {
public:
virtual void process_blocks(std::vector<CatChainBlock *> blocks) = 0;
virtual void finished_processing() = 0;
virtual void preprocess_block(CatChainBlock *block) = 0;
virtual void process_broadcast(PublicKeyHash src, td::BufferSlice data) = 0;
virtual void process_message(PublicKeyHash src, td::BufferSlice data) = 0;
virtual void process_query(PublicKeyHash src, td::BufferSlice data, td::Promise<td::BufferSlice> promise) = 0;
virtual void started() = 0;
virtual ~Callback() = default;
};
struct PrintId {
CatChainSessionId instance_;
PublicKeyHash local_id_;
};
virtual PrintId print_id() const = 0;
virtual void processed_block(td::BufferSlice payload) = 0;
virtual void need_new_block(td::Timestamp t) = 0;
virtual void debug_add_fork(td::BufferSlice payload, CatChainBlockHeight height) = 0;
virtual void send_broadcast(td::BufferSlice data) = 0;
virtual void send_message(PublicKeyHash dst, td::BufferSlice data) = 0;
virtual void send_query(PublicKeyHash dst, std::string name, td::Promise<td::BufferSlice> promise,
td::Timestamp timeout, td::BufferSlice query) = 0;
virtual void send_query_via(PublicKeyHash dst, std::string name, td::Promise<td::BufferSlice> promise,
td::Timestamp timeout, td::BufferSlice query, td::uint64 max_answer_size,
td::actor::ActorId<adnl::AdnlSenderInterface> via) = 0;
virtual void destroy() = 0;
static td::actor::ActorOwn<CatChain> create(std::unique_ptr<Callback> callback, CatChainOptions opts,
td::actor::ActorId<keyring::Keyring> keyring,
td::actor::ActorId<adnl::Adnl> adnl,
td::actor::ActorId<overlay::Overlays> overlay_manager,
std::vector<CatChainNode> ids, PublicKeyHash local_id,
CatChainSessionId unique_hash, std::string db_root);
virtual ~CatChain() = default;
};
} // namespace catchain
} // namespace ton
namespace td {
inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::catchain::CatChain::PrintId &print_id) {
sb << "[catchain " << print_id.instance_ << "@" << print_id.local_id_ << "]";
return sb;
}
inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::catchain::CatChain *catchain) {
sb << catchain->print_id();
return sb;
}
} // namespace td