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

241 lines
9.4 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 <list>
#include <queue>
#include <map>
#include "catchain-types.h"
#include "catchain-receiver.h"
#include "catchain-receiver-source.h"
#include "catchain-received-block.h"
#include "td/db/KeyValueAsync.h"
namespace ton {
namespace catchain {
class CatChainReceiverImpl : public CatChainReceiver {
public:
PrintId print_id() const override {
return PrintId{incarnation_, local_id_};
}
void add_prepared_event(td::BufferSlice data) override {
add_block(std::move(data), std::vector<CatChainBlockHash>());
}
CatChainSessionId get_incarnation() const override {
return incarnation_;
}
void run_block(CatChainReceivedBlock *block) override;
td::uint32 get_forks_cnt() const override {
return total_forks_;
}
td::uint32 get_sources_cnt() const override {
return static_cast<td::uint32>(sources_.size());
}
CatChainReceiverSource *get_source(td::uint32 source_id) const override {
if (source_id >= get_sources_cnt()) {
return nullptr;
}
return sources_[source_id].get();
}
PublicKeyHash get_source_hash(td::uint32 source_id) const override;
CatChainReceiverSource *get_source_by_hash(PublicKeyHash source_hash) const;
CatChainReceiverSource *get_source_by_adnl_id(adnl::AdnlNodeIdShort source_hash) const;
td::uint32 add_fork() override;
void deliver_block(CatChainReceivedBlock *block) override;
void receive_message_from_overlay(adnl::AdnlNodeIdShort src, td::BufferSlice data);
void receive_query_from_overlay(adnl::AdnlNodeIdShort src, td::BufferSlice data,
td::Promise<td::BufferSlice> promise);
void process_query(adnl::AdnlNodeIdShort src, ton_api::catchain_getBlock &query,
td::Promise<td::BufferSlice> promise);
void process_query(adnl::AdnlNodeIdShort src, ton_api::catchain_getBlocks &query,
td::Promise<td::BufferSlice> promise);
void process_query(adnl::AdnlNodeIdShort src, ton_api::catchain_getBlockHistory &query,
td::Promise<td::BufferSlice> promise);
void process_query(adnl::AdnlNodeIdShort src, ton_api::catchain_getDifference &query,
td::Promise<td::BufferSlice> promise);
template <class T>
void process_query(adnl::AdnlNodeIdShort src, T &query, td::Promise<td::BufferSlice> promise) {
//LOG(WARNING) << this << ": unknown query from " << src;
callback_->on_custom_query(get_source_by_adnl_id(src)->get_hash(), serialize_tl_object(&query, true),
std::move(promise));
}
void receive_broadcast_from_overlay(PublicKeyHash src, td::BufferSlice data);
void receive_block(adnl::AdnlNodeIdShort src, tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
void receive_block_answer(adnl::AdnlNodeIdShort src, td::BufferSlice);
//void send_block(PublicKeyHash src, tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
CatChainReceivedBlock *create_block(tl_object_ptr<ton_api::catchain_block> block, td::SharedSlice payload) override;
CatChainReceivedBlock *create_block(tl_object_ptr<ton_api::catchain_block_dep> block) override;
td::Status validate_block_sync(tl_object_ptr<ton_api::catchain_block_dep> &dep) override;
td::Status validate_block_sync(tl_object_ptr<ton_api::catchain_block> &block, td::Slice payload) override;
void send_fec_broadcast(td::BufferSlice data) override;
void send_custom_query_data(PublicKeyHash dst, std::string name, td::Promise<td::BufferSlice> promise,
td::Timestamp timeout, td::BufferSlice query) override;
void send_custom_query_data_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) override;
void send_custom_message_data(PublicKeyHash dst, td::BufferSlice query) override;
void run_scheduler();
void add_block(td::BufferSlice data, std::vector<CatChainBlockHash> deps) override;
void add_block_cont(tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
void add_block_cont_2(tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
void add_block_cont_3(tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
void debug_add_fork(td::BufferSlice payload, CatChainBlockHeight height,
std::vector<CatChainBlockHash> deps) override;
void debug_add_fork_cont(tl_object_ptr<ton_api::catchain_block> block, td::BufferSlice payload);
void on_blame(td::uint32 src) override {
callback_->blame(src);
}
void blame_node(td::uint32 idx) override {
}
const CatChainOptions &opts() const override {
return opts_;
}
void got_fork_proof(td::BufferSlice data);
void synchronize_with(CatChainReceiverSource *source);
void alarm() override;
void start_up() override;
void tear_down() override;
void read_db();
void read_db_from(CatChainBlockHash id);
void read_block_from_db(CatChainBlockHash id, td::BufferSlice data);
void block_written_to_db(CatChainBlockHash hash);
void destroy() override;
CatChainReceivedBlock *get_block(CatChainBlockHash hash) const;
CatChainReceiverImpl(std::unique_ptr<Callback> callback, CatChainOptions opts,
td::actor::ActorId<keyring::Keyring> keyring, td::actor::ActorId<adnl::Adnl> adnl,
td::actor::ActorId<overlay::Overlays>, std::vector<CatChainNode> ids, PublicKeyHash local_id,
CatChainBlockHash unique_hash, std::string db_root);
private:
std::unique_ptr<overlay::Overlays::Callback> make_callback() {
class Callback : public overlay::Overlays::Callback {
public:
void receive_message(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id,
td::BufferSlice data) override {
td::actor::send_closure(id_, &CatChainReceiverImpl::receive_message_from_overlay, src, std::move(data));
}
void receive_query(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id, td::BufferSlice data,
td::Promise<td::BufferSlice> promise) override {
td::actor::send_closure(id_, &CatChainReceiverImpl::receive_query_from_overlay, src, std::move(data),
std::move(promise));
}
void receive_broadcast(PublicKeyHash src, overlay::OverlayIdShort overlay_id, td::BufferSlice data) override {
td::actor::send_closure(id_, &CatChainReceiverImpl::receive_broadcast_from_overlay, src, std::move(data));
}
Callback(td::actor::ActorId<CatChainReceiverImpl> id) : id_(std::move(id)) {
}
private:
td::actor::ActorId<CatChainReceiverImpl> id_;
};
return std::make_unique<Callback>(actor_id(this));
}
struct PendingBlock {
td::BufferSlice payload_;
std::vector<CatChainBlockHash> deps_;
PendingBlock(td::BufferSlice &&payload, std::vector<CatChainBlockHash> &&deps)
: payload_(std::move(payload)), deps_(std::move(deps)) {
}
};
std::list<std::unique_ptr<PendingBlock>> pending_blocks_;
bool active_send_ = false;
bool read_db_ = false;
td::uint32 pending_in_db_ = 0;
CatChainBlockHash db_root_block_ = CatChainBlockHash::zero();
void choose_neighbours();
std::vector<std::unique_ptr<CatChainReceiverSource>> sources_;
std::map<PublicKeyHash, td::uint32> sources_hashes_;
std::map<adnl::AdnlNodeIdShort, td::uint32> sources_adnl_addrs_;
td::uint32 total_forks_ = 0;
std::map<CatChainBlockHash, std::unique_ptr<CatChainReceivedBlock>> blocks_;
CatChainReceivedBlock *root_block_;
CatChainReceivedBlock *last_sent_block_;
CatChainSessionId incarnation_;
std::unique_ptr<Callback> callback_;
CatChainOptions opts_;
std::vector<td::uint32> neighbours_;
//std::queue<tl_object_ptr<ton_api::catchain_block_inner_Data>> events_;
//std::queue<td::BufferSlice> raw_events_;
td::actor::ActorId<keyring::Keyring> keyring_;
td::actor::ActorId<adnl::Adnl> adnl_;
td::actor::ActorId<overlay::Overlays> overlay_manager_;
overlay::OverlayIdShort overlay_id_;
overlay::OverlayIdFull overlay_full_id_;
PublicKeyHash local_id_;
td::uint32 local_idx_;
td::Timestamp next_sync_;
td::Timestamp next_rotate_;
std::string db_root_;
using DbType = td::KeyValueAsync<CatChainBlockHash, td::BufferSlice>;
DbType db_;
bool intentional_fork_ = false;
std::list<CatChainReceivedBlock *> to_run_;
};
} // namespace catchain
} // namespace ton
namespace td {
inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::catchain::CatChainReceiverImpl *catchain) {
sb << catchain->print_id();
return sb;
}
} // namespace td