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ton/tonlib/tonlib/LastBlock.h
ton 28df74178c updated tonlib
1. updated tonlib
2. fixed bug in state download
2019-09-22 10:14:09 +04:00

69 lines
2.3 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 "td/actor/actor.h"
#include "tonlib/ExtClient.h"
namespace tonlib {
struct LastBlockInfo {
ton::BlockIdExt id;
td::int64 utime{0};
};
class LastBlock : public td::actor::Actor {
public:
struct State {
ton::ZeroStateIdExt zero_state_id;
ton::BlockIdExt last_key_block_id;
ton::BlockIdExt last_block_id;
td::int64 utime{0};
};
class Callback {
public:
virtual ~Callback() {
}
virtual void on_state_changes(State state) = 0;
};
explicit LastBlock(ExtClientRef client, State state, td::unique_ptr<Callback> callback);
void get_last_block(td::Promise<LastBlockInfo> promise);
private:
ExtClient client_;
State state_;
td::unique_ptr<Callback> callback_;
std::vector<td::Promise<LastBlockInfo>> promises_;
void do_get_last_block();
void on_masterchain_info(td::Result<ton::ton_api::object_ptr<ton::lite_api::liteServer_masterchainInfo>> r_info);
void on_block_proof(ton::BlockIdExt from,
td::Result<ton::ton_api::object_ptr<ton::lite_api::liteServer_partialBlockProof>> r_block_proof);
td::Result<bool> process_block_proof(
ton::BlockIdExt from,
td::Result<ton::ton_api::object_ptr<ton::lite_api::liteServer_partialBlockProof>> r_block_proof);
void update_zero_state(ton::ZeroStateIdExt zero_state_id);
void update_mc_last_block(ton::BlockIdExt mc_block_id);
void update_mc_last_key_block(ton::BlockIdExt mc_key_block_id);
void update_utime(td::int64 utime);
};
} // namespace tonlib