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ton/validator-session/validator-session.hpp
2019-09-07 14:33:36 +04:00

211 lines
7.6 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 <set>
#include <map>
#include <list>
#include <atomic>
#include "validator-session.h"
#include "validator-session-state.h"
#include "keys/encryptor.h"
#include "catchain/catchain.h"
namespace ton {
namespace validatorsession {
class ValidatorSessionImpl : public ValidatorSession {
private:
class BlockExtra : public catchain::CatChainBlock::Extra {
public:
const ValidatorSessionState *get_ref() const {
return state_;
}
BlockExtra(const ValidatorSessionState *state) : state_(std::move(state)) {
}
private:
const ValidatorSessionState *state_;
};
bool requested_new_block_ = false;
bool requested_new_block_now_ = false;
const ValidatorSessionState *real_state_ = nullptr;
const ValidatorSessionState *virtual_state_ = nullptr;
td::uint32 cur_round_ = 0;
td::Timestamp round_started_at_ = td::Timestamp::never();
td::Timestamp round_debug_at_ = td::Timestamp::never();
std::set<ValidatorSessionCandidateId> pending_approve_;
std::map<ValidatorSessionCandidateId, td::BufferSlice> pending_reject_;
std::set<ValidatorSessionCandidateId> rejected_;
std::map<ValidatorSessionCandidateId, std::pair<UnixTime, td::BufferSlice>> approved_;
std::set<ValidatorSessionCandidateId> active_requests_;
bool pending_generate_ = false;
bool generated_ = false;
bool sent_generated_ = false;
ValidatorSessionCandidateId generated_block_;
bool pending_sign_ = false;
bool signed_ = false;
ValidatorSessionCandidateId signed_block_;
td::BufferSlice signature_;
std::array<std::map<ValidatorSessionCandidateId, tl_object_ptr<ton_api::validatorSession_candidate>>, 100> blocks_;
catchain::CatChainSessionId unique_hash_;
std::unique_ptr<Callback> callback_;
std::string db_root_;
td::actor::ActorId<keyring::Keyring> keyring_;
td::actor::ActorId<adnl::Adnl> adnl_;
td::actor::ActorId<rldp::Rldp> rldp_;
td::actor::ActorId<overlay::Overlays> overlay_manager_;
td::actor::ActorOwn<catchain::CatChain> catchain_;
std::unique_ptr<ValidatorSessionDescription> description_;
void on_new_round(td::uint32 round);
void on_catchain_started();
void check_vote_for_slot(td::uint32 att);
void check_generate_slot();
void check_sign_slot();
void check_approve();
void check_action(td::uint32 att);
void check_all();
std::unique_ptr<catchain::CatChain::Callback> make_catchain_callback() {
class cb : public catchain::CatChain::Callback {
public:
void process_blocks(std::vector<catchain::CatChainBlock *> blocks) override {
td::actor::send_closure(id_, &ValidatorSessionImpl::process_blocks, std::move(blocks));
}
void finished_processing() override {
td::actor::send_closure(id_, &ValidatorSessionImpl::finished_processing);
}
void preprocess_block(catchain::CatChainBlock *block) override {
td::actor::send_closure(id_, &ValidatorSessionImpl::preprocess_block, block);
}
void process_broadcast(PublicKeyHash src, td::BufferSlice data) override {
td::actor::send_closure(id_, &ValidatorSessionImpl::process_broadcast, src, std::move(data));
}
void process_message(PublicKeyHash src, td::BufferSlice data) override {
td::actor::send_closure(id_, &ValidatorSessionImpl::process_message, src, std::move(data));
}
void process_query(PublicKeyHash src, td::BufferSlice data, td::Promise<td::BufferSlice> promise) override {
td::actor::send_closure(id_, &ValidatorSessionImpl::process_query, src, std::move(data), std::move(promise));
}
void started() override {
td::actor::send_closure(id_, &ValidatorSessionImpl::on_catchain_started);
}
cb(td::actor::ActorId<ValidatorSessionImpl> id) : id_(id) {
}
private:
td::actor::ActorId<ValidatorSessionImpl> id_;
};
return std::make_unique<cb>(actor_id(this));
}
auto &description() {
return *description_.get();
}
td::uint32 local_idx() {
return description_->get_self_idx();
}
ton::PublicKeyHash local_id() {
return description_->get_source_id(description_->get_self_idx());
}
void request_new_block(bool now);
void get_broadcast_p2p(PublicKeyHash node, ValidatorSessionFileHash file_hash,
ValidatorSessionCollatedDataFileHash collated_data_file_hash, PublicKeyHash src,
td::uint32 round, ValidatorSessionRootHash root_hash, td::Promise<td::BufferSlice> promise,
td::Timestamp timeout);
bool started_ = false;
bool catchain_started_ = false;
public:
ValidatorSessionImpl(catchain::CatChainSessionId session_id, ValidatorSessionOptions opts, PublicKeyHash local_id,
std::vector<ValidatorSessionNode> nodes, std::unique_ptr<Callback> callback,
td::actor::ActorId<keyring::Keyring> keyring, td::actor::ActorId<adnl::Adnl> adnl,
td::actor::ActorId<rldp::Rldp> rldp, td::actor::ActorId<overlay::Overlays> overlays,
std::string db_root);
void start_up() override;
void alarm() override;
void start() override;
void destroy() override;
void process_blocks(std::vector<catchain::CatChainBlock *> blocks);
void finished_processing();
void preprocess_block(catchain::CatChainBlock *block);
void process_broadcast(PublicKeyHash src, td::BufferSlice data);
void process_message(PublicKeyHash src, td::BufferSlice data);
void process_query(PublicKeyHash src, td::BufferSlice data, td::Promise<td::BufferSlice> promise);
void try_approve_block(const SentBlock *block);
void try_sign();
void candidate_decision_fail(td::uint32 round, ValidatorSessionCandidateId hash, std::string result,
td::BufferSlice proof);
void candidate_decision_ok(td::uint32 round, ValidatorSessionCandidateId hash, RootHash root_hash, FileHash file_hash,
td::uint32 ok_from);
void candidate_approved_signed(td::uint32 round, ValidatorSessionCandidateId hash, td::uint32 ok_from,
td::BufferSlice signature);
void generated_block(td::uint32 round, ValidatorSessionRootHash root_hash, td::BufferSlice data,
td::BufferSlice collated);
void signed_block(td::uint32 round, ValidatorSessionCandidateId hash, td::BufferSlice signature);
void end_request(td::uint32 round, ValidatorSessionCandidateId block_id) {
if (cur_round_ == round) {
active_requests_.erase(block_id);
}
}
PrintId print_id() const override {
return PrintId{unique_hash_, description_->get_source_id(description_->get_self_idx())};
}
};
} // namespace validatorsession
} // namespace ton
namespace td {
inline td::StringBuilder &operator<<(td::StringBuilder &sb,
const ton::validatorsession::ValidatorSessionImpl *session) {
sb << session->print_id();
return sb;
}
} // namespace td