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

120 lines
4.1 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 "rldp/rldp.h"
#include "ton/ton-types.h"
#include "overlay/overlays.h"
#include "catchain/catchain-types.h"
#include "validator-session-types.h"
namespace ton {
namespace validatorsession {
class ValidatorSession : public td::actor::Actor {
public:
struct PrintId {
catchain::CatChainSessionId instance_;
PublicKeyHash local_id_;
};
virtual PrintId print_id() const = 0;
class CandidateDecision {
public:
bool is_ok() const {
return ok_;
}
td::uint32 ok_from() const {
return ok_from_;
}
std::string reason() const {
return reason_;
}
td::BufferSlice proof() const {
return proof_.clone();
}
CandidateDecision(td::uint32 ok_from) {
ok_ = true;
ok_from_ = ok_from;
}
CandidateDecision(std::string reason, td::BufferSlice proof)
: ok_(false), reason_(reason), proof_(std::move(proof)) {
}
private:
bool ok_ = false;
td::uint32 ok_from_ = 0;
std::string reason_;
td::BufferSlice proof_;
};
class Callback {
public:
virtual void on_candidate(td::uint32 round, PublicKey source, ValidatorSessionRootHash root_hash,
td::BufferSlice data, td::BufferSlice collated_data,
td::Promise<CandidateDecision> promise) = 0;
virtual void on_generate_slot(td::uint32 round, td::Promise<BlockCandidate> promise) = 0;
virtual void on_block_committed(td::uint32 round, PublicKey source, ValidatorSessionRootHash root_hash,
ValidatorSessionFileHash file_hash, td::BufferSlice data,
std::vector<std::pair<PublicKeyHash, td::BufferSlice>> signatures,
std::vector<std::pair<PublicKeyHash, td::BufferSlice>> approve_signatures) = 0;
virtual void on_block_skipped(td::uint32 round) = 0;
virtual void get_approved_candidate(PublicKey source, ValidatorSessionRootHash root_hash,
ValidatorSessionFileHash file_hash,
ValidatorSessionCollatedDataFileHash collated_data_file_hash,
td::Promise<BlockCandidate> promise) = 0;
virtual ~Callback() = default;
};
virtual void start() = 0;
virtual void destroy() = 0;
static td::actor::ActorOwn<ValidatorSession> create(
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);
virtual ~ValidatorSession() = default;
};
} // namespace validatorsession
} // namespace ton
namespace td {
inline td::StringBuilder &operator<<(td::StringBuilder &sb,
const ton::validatorsession::ValidatorSession::PrintId &print_id) {
sb << "[validatorsession " << print_id.instance_ << "@" << print_id.local_id_ << "]";
return sb;
}
inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::validatorsession::ValidatorSession *session) {
sb << session->print_id();
return sb;
}
} // namespace td