mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
470 lines
22 KiB
C++
470 lines
22 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "validator-group.hpp"
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#include "fabric.h"
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#include "ton/ton-io.hpp"
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#include "td/utils/overloaded.h"
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#include "common/delay.h"
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#include "ton/lite-tl.hpp"
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namespace ton {
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namespace validator {
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void ValidatorGroup::generate_block_candidate(
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td::uint32 round_id, td::Promise<validatorsession::ValidatorSession::GeneratedCandidate> promise) {
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if (round_id > last_known_round_id_) {
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last_known_round_id_ = round_id;
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}
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if (!started_) {
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promise.set_error(td::Status::Error(ErrorCode::notready, "cannot collate block: group not started"));
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return;
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}
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if (cached_collated_block_) {
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if (cached_collated_block_->result) {
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promise.set_value({cached_collated_block_->result.value().clone(), true});
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} else {
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cached_collated_block_->promises.push_back(promise.wrap([](BlockCandidate &&res) {
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return validatorsession::ValidatorSession::GeneratedCandidate{std::move(res), true};
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}));
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}
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return;
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}
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cached_collated_block_ = std::make_shared<CachedCollatedBlock>();
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cached_collated_block_->promises.push_back(promise.wrap([](BlockCandidate &&res) {
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return validatorsession::ValidatorSession::GeneratedCandidate{std::move(res), false};
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}));
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run_collate_query(
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shard_, min_ts_, min_masterchain_block_id_, prev_block_ids_,
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Ed25519_PublicKey{local_id_full_.ed25519_value().raw()}, validator_set_, manager_, td::Timestamp::in(10.0),
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[SelfId = actor_id(this), cache = cached_collated_block_](td::Result<BlockCandidate> R) {
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td::actor::send_closure(SelfId, &ValidatorGroup::generated_block_candidate, std::move(cache), std::move(R));
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});
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}
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void ValidatorGroup::generated_block_candidate(std::shared_ptr<CachedCollatedBlock> cache, td::Result<BlockCandidate> R) {
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if (R.is_error()) {
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for (auto &p : cache->promises) {
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p.set_error(R.error().clone());
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}
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if (cache == cached_collated_block_) {
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cached_collated_block_ = nullptr;
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}
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} else {
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auto candidate = R.move_as_ok();
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add_available_block_candidate(candidate.pubkey.as_bits256(), candidate.id, candidate.collated_file_hash);
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cache->result = std::move(candidate);
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for (auto &p : cache->promises) {
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p.set_value(cache->result.value().clone());
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}
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}
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cache->promises.clear();
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}
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void ValidatorGroup::validate_block_candidate(td::uint32 round_id, BlockCandidate block,
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td::Promise<std::pair<UnixTime, bool>> promise) {
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if (round_id > last_known_round_id_) {
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last_known_round_id_ = round_id;
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}
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if (round_id < last_known_round_id_) {
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promise.set_error(td::Status::Error(ErrorCode::notready, "too old"));
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return;
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}
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auto next_block_id = create_next_block_id(block.id.root_hash, block.id.file_hash);
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block.id = next_block_id;
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CacheKey cache_key = block_to_cache_key(block);
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auto it = approved_candidates_cache_.find(cache_key);
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if (it != approved_candidates_cache_.end()) {
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promise.set_value({it->second, true});
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return;
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}
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auto P = td::PromiseCreator::lambda([SelfId = actor_id(this), round_id, block = block.clone(),
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promise = std::move(promise)](td::Result<ValidateCandidateResult> R) mutable {
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if (R.is_error()) {
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auto S = R.move_as_error();
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if (S.code() != ErrorCode::timeout && S.code() != ErrorCode::notready) {
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LOG(ERROR) << "failed to validate candidate: " << S;
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}
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delay_action(
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[SelfId, round_id, block = std::move(block), promise = std::move(promise)]() mutable {
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td::actor::send_closure(SelfId, &ValidatorGroup::validate_block_candidate, round_id, std::move(block),
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std::move(promise));
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},
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td::Timestamp::in(0.1));
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} else {
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auto v = R.move_as_ok();
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v.visit(td::overloaded(
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[&](UnixTime ts) {
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td::actor::send_closure(SelfId, &ValidatorGroup::update_approve_cache, block_to_cache_key(block),
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ts);
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td::actor::send_closure(SelfId, &ValidatorGroup::add_available_block_candidate, block.pubkey.as_bits256(),
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block.id, block.collated_file_hash);
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promise.set_value({ts, false});
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},
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[&](CandidateReject reject) {
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promise.set_error(
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td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad candidate: " << reject.reason));
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}));
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}
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});
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if (!started_) {
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P.set_error(td::Status::Error(ErrorCode::notready, "validator group not started"));
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return;
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}
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VLOG(VALIDATOR_DEBUG) << "validating block candidate " << next_block_id;
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block.id = next_block_id;
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run_validate_query(shard_, min_ts_, min_masterchain_block_id_, prev_block_ids_, std::move(block), validator_set_,
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manager_, td::Timestamp::in(15.0), std::move(P));
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}
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void ValidatorGroup::update_approve_cache(CacheKey key, UnixTime value) {
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approved_candidates_cache_[key] = value;
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}
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void ValidatorGroup::accept_block_candidate(td::uint32 round_id, PublicKeyHash src, td::BufferSlice block_data,
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RootHash root_hash, FileHash file_hash,
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std::vector<BlockSignature> signatures,
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std::vector<BlockSignature> approve_signatures,
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validatorsession::ValidatorSessionStats stats,
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td::Promise<td::Unit> promise) {
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stats.cc_seqno = validator_set_->get_catchain_seqno();
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if (round_id >= last_known_round_id_) {
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last_known_round_id_ = round_id + 1;
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}
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auto sig_set = create_signature_set(std::move(signatures));
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validator_set_->check_signatures(root_hash, file_hash, sig_set).ensure();
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auto approve_sig_set = create_signature_set(std::move(approve_signatures));
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validator_set_->check_approve_signatures(root_hash, file_hash, approve_sig_set).ensure();
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if (!started_) {
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postponed_accept_.push_back(PostponedAccept{root_hash, file_hash, std::move(block_data), std::move(sig_set),
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std::move(approve_sig_set), std::move(stats), std::move(promise)});
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return;
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}
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auto next_block_id = create_next_block_id(root_hash, file_hash);
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LOG(WARNING) << "Accepted block " << next_block_id;
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td::actor::send_closure(manager_, &ValidatorManager::log_validator_session_stats, next_block_id, std::move(stats));
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auto block =
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block_data.size() > 0 ? create_block(next_block_id, std::move(block_data)).move_as_ok() : td::Ref<BlockData>{};
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bool send_broadcast = src == local_id_;
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auto P = td::PromiseCreator::lambda([=, SelfId = actor_id(this), block_id = next_block_id, prev = prev_block_ids_,
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promise = std::move(promise)](td::Result<td::Unit> R) mutable {
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if (R.is_error()) {
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if (R.error().code() == ErrorCode::cancelled) {
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promise.set_value(td::Unit());
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return;
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}
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LOG_CHECK(R.error().code() == ErrorCode::timeout || R.error().code() == ErrorCode::notready) << R.move_as_error();
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td::actor::send_closure(SelfId, &ValidatorGroup::retry_accept_block_query, block_id, std::move(block),
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std::move(prev), std::move(sig_set), std::move(approve_sig_set), send_broadcast,
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std::move(promise));
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} else {
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promise.set_value(R.move_as_ok());
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}
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});
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run_accept_block_query(next_block_id, std::move(block), prev_block_ids_, validator_set_, std::move(sig_set),
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std::move(approve_sig_set), send_broadcast, manager_, std::move(P));
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prev_block_ids_ = std::vector<BlockIdExt>{next_block_id};
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cached_collated_block_ = nullptr;
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approved_candidates_cache_.clear();
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}
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void ValidatorGroup::retry_accept_block_query(BlockIdExt block_id, td::Ref<BlockData> block,
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std::vector<BlockIdExt> prev, td::Ref<BlockSignatureSet> sig_set,
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td::Ref<BlockSignatureSet> approve_sig_set, bool send_broadcast,
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td::Promise<td::Unit> promise) {
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auto P = td::PromiseCreator::lambda(
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[=, SelfId = actor_id(this), promise = std::move(promise)](td::Result<td::Unit> R) mutable {
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if (R.is_error()) {
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LOG_CHECK(R.error().code() == ErrorCode::timeout) << R.move_as_error();
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td::actor::send_closure(SelfId, &ValidatorGroup::retry_accept_block_query, block_id, std::move(block),
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std::move(prev), std::move(sig_set), std::move(approve_sig_set), send_broadcast,
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std::move(promise));
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} else {
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promise.set_value(R.move_as_ok());
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}
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});
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run_accept_block_query(block_id, std::move(block), prev, validator_set_, std::move(sig_set),
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std::move(approve_sig_set), send_broadcast, manager_, std::move(P));
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}
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void ValidatorGroup::skip_round(td::uint32 round_id) {
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if (round_id >= last_known_round_id_) {
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last_known_round_id_ = round_id + 1;
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}
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}
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void ValidatorGroup::get_approved_candidate(PublicKey source, RootHash root_hash, FileHash file_hash,
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FileHash collated_data_file_hash, td::Promise<BlockCandidate> promise) {
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BlockIdExt id = create_next_block_id(root_hash, file_hash);
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td::actor::send_closure(manager_, &ValidatorManager::get_block_candidate_from_db, source, id, collated_data_file_hash,
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std::move(promise));
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}
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BlockIdExt ValidatorGroup::create_next_block_id(RootHash root_hash, FileHash file_hash) const {
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BlockSeqno seqno = 0;
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for (auto &p : prev_block_ids_) {
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if (seqno < p.id.seqno) {
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seqno = p.id.seqno;
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}
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}
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return BlockIdExt{shard_.workchain, shard_.shard, seqno + 1, root_hash, file_hash};
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}
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BlockId ValidatorGroup::create_next_block_id_simple() const {
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BlockSeqno seqno = 0;
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for (auto &p : prev_block_ids_) {
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if (seqno < p.id.seqno) {
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seqno = p.id.seqno;
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}
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}
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return BlockId{shard_.workchain, shard_.shard, seqno + 1};
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}
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std::unique_ptr<validatorsession::ValidatorSession::Callback> ValidatorGroup::make_validator_session_callback() {
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class Callback : public validatorsession::ValidatorSession::Callback {
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public:
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Callback(td::actor::ActorId<ValidatorGroup> id) : id_(id) {
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}
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void on_candidate(td::uint32 round, PublicKey source, validatorsession::ValidatorSessionRootHash root_hash,
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td::BufferSlice data, td::BufferSlice collated_data,
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td::Promise<validatorsession::ValidatorSession::CandidateDecision> promise) override {
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auto P =
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td::PromiseCreator::lambda([promise = std::move(promise)](td::Result<std::pair<td::uint32, bool>> R) mutable {
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if (R.is_ok()) {
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validatorsession::ValidatorSession::CandidateDecision decision(R.ok().first);
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decision.set_is_cached(R.ok().second);
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promise.set_value(std::move(decision));
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} else {
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auto S = R.move_as_error();
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promise.set_value(
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validatorsession::ValidatorSession::CandidateDecision{S.message().c_str(), td::BufferSlice()});
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}
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});
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BlockCandidate candidate{Ed25519_PublicKey{source.ed25519_value().raw()},
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BlockIdExt{0, 0, 0, root_hash, sha256_bits256(data.as_slice())},
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sha256_bits256(collated_data.as_slice()), data.clone(), collated_data.clone()};
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td::actor::send_closure(id_, &ValidatorGroup::validate_block_candidate, round, std::move(candidate),
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std::move(P));
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}
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void on_generate_slot(td::uint32 round,
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td::Promise<validatorsession::ValidatorSession::GeneratedCandidate> promise) override {
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td::actor::send_closure(id_, &ValidatorGroup::generate_block_candidate, round, std::move(promise));
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}
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void on_block_committed(td::uint32 round, PublicKey source, validatorsession::ValidatorSessionRootHash root_hash,
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validatorsession::ValidatorSessionFileHash file_hash, td::BufferSlice data,
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std::vector<std::pair<PublicKeyHash, td::BufferSlice>> signatures,
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std::vector<std::pair<PublicKeyHash, td::BufferSlice>> approve_signatures,
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validatorsession::ValidatorSessionStats stats) override {
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std::vector<BlockSignature> sigs;
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for (auto &sig : signatures) {
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sigs.emplace_back(BlockSignature{sig.first.bits256_value(), std::move(sig.second)});
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}
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std::vector<BlockSignature> approve_sigs;
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for (auto &sig : approve_signatures) {
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approve_sigs.emplace_back(BlockSignature{sig.first.bits256_value(), std::move(sig.second)});
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}
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auto P = td::PromiseCreator::lambda([](td::Result<td::Unit>) {});
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td::actor::send_closure(id_, &ValidatorGroup::accept_block_candidate, round, source.compute_short_id(),
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std::move(data), root_hash, file_hash, std::move(sigs), std::move(approve_sigs),
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std::move(stats), std::move(P));
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}
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void on_block_skipped(td::uint32 round) override {
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td::actor::send_closure(id_, &ValidatorGroup::skip_round, round);
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}
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void get_approved_candidate(PublicKey source, validatorsession::ValidatorSessionRootHash root_hash,
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validatorsession::ValidatorSessionFileHash file_hash,
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validatorsession::ValidatorSessionCollatedDataFileHash collated_data_file_hash,
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td::Promise<BlockCandidate> promise) override {
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td::actor::send_closure(id_, &ValidatorGroup::get_approved_candidate, source, root_hash, file_hash,
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collated_data_file_hash, std::move(promise));
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}
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private:
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td::actor::ActorId<ValidatorGroup> id_;
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};
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return std::make_unique<Callback>(actor_id(this));
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}
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void ValidatorGroup::create_session() {
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CHECK(!init_);
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init_ = true;
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std::vector<validatorsession::ValidatorSessionNode> vec;
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auto v = validator_set_->export_vector();
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bool found = false;
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for (auto &el : v) {
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validatorsession::ValidatorSessionNode n;
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n.pub_key = ValidatorFullId{el.key};
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n.weight = el.weight;
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if (n.pub_key.compute_short_id() == local_id_) {
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CHECK(!found);
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found = true;
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local_id_full_ = n.pub_key;
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}
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if (el.addr.is_zero()) {
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n.adnl_id = adnl::AdnlNodeIdShort{n.pub_key.compute_short_id()};
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} else {
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n.adnl_id = adnl::AdnlNodeIdShort{el.addr};
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}
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vec.emplace_back(std::move(n));
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}
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CHECK(found);
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if (!config_.new_catchain_ids) {
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session_ = validatorsession::ValidatorSession::create(session_id_, config_, local_id_, std::move(vec),
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make_validator_session_callback(), keyring_, adnl_, rldp_,
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overlays_, db_root_, "-", allow_unsafe_self_blocks_resync_);
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} else {
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session_ = validatorsession::ValidatorSession::create(
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session_id_, config_, local_id_, std::move(vec), make_validator_session_callback(), keyring_, adnl_, rldp_,
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overlays_, db_root_ + "/catchains/",
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PSTRING() << "." << shard_.workchain << "." << shard_.shard << "." << validator_set_->get_catchain_seqno()
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<< ".",
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allow_unsafe_self_blocks_resync_);
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}
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if (opts_->get_catchain_max_block_delay()) {
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td::actor::send_closure(session_, &validatorsession::ValidatorSession::set_catchain_max_block_delay,
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opts_->get_catchain_max_block_delay().value());
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}
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if (started_) {
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td::actor::send_closure(session_, &validatorsession::ValidatorSession::start);
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}
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}
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void ValidatorGroup::start(std::vector<BlockIdExt> prev, BlockIdExt min_masterchain_block_id, UnixTime min_ts) {
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prev_block_ids_ = prev;
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min_masterchain_block_id_ = min_masterchain_block_id;
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min_ts_ = min_ts;
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cached_collated_block_ = nullptr;
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approved_candidates_cache_.clear();
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started_ = true;
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if (init_) {
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td::actor::send_closure(session_, &validatorsession::ValidatorSession::start);
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}
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for (auto &p : postponed_accept_) {
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auto next_block_id = create_next_block_id(p.root_hash, p.file_hash);
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td::actor::send_closure(manager_, &ValidatorManager::log_validator_session_stats, next_block_id,
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std::move(p.stats));
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auto block =
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p.block.size() > 0 ? create_block(next_block_id, std::move(p.block)).move_as_ok() : td::Ref<BlockData>{};
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retry_accept_block_query(next_block_id, std::move(block), prev_block_ids_, std::move(p.sigs),
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std::move(p.approve_sigs), false, std::move(p.promise));
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prev_block_ids_ = std::vector<BlockIdExt>{next_block_id};
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}
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postponed_accept_.clear();
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validatorsession::NewValidatorGroupStats stats;
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stats.session_id = session_id_;
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stats.shard = shard_;
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stats.cc_seqno = validator_set_->get_catchain_seqno();
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stats.timestamp = td::Clocks::system();
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td::uint32 idx = 0;
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for (const auto& node : validator_set_->export_vector()) {
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PublicKeyHash id = ValidatorFullId{node.key}.compute_short_id();
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if (id == local_id_) {
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stats.self_idx = idx;
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}
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stats.nodes.push_back(validatorsession::NewValidatorGroupStats::Node{id, node.weight});
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++idx;
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}
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td::actor::send_closure(manager_, &ValidatorManager::log_new_validator_group_stats, std::move(stats));
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}
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void ValidatorGroup::destroy() {
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if (!session_.empty()) {
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td::actor::send_closure(session_, &validatorsession::ValidatorSession::get_current_stats,
|
|
[manager = manager_, cc_seqno = validator_set_->get_catchain_seqno(),
|
|
block_id = create_next_block_id(RootHash::zero(), FileHash::zero())](
|
|
td::Result<validatorsession::ValidatorSessionStats> R) {
|
|
if (R.is_error()) {
|
|
LOG(WARNING) << "Failed to get validator session stats: " << R.move_as_error();
|
|
return;
|
|
}
|
|
auto stats = R.move_as_ok();
|
|
if (stats.rounds.empty()) {
|
|
return;
|
|
}
|
|
stats.cc_seqno = cc_seqno;
|
|
td::actor::send_closure(manager, &ValidatorManager::log_validator_session_stats, block_id,
|
|
std::move(stats));
|
|
});
|
|
auto ses = session_.release();
|
|
delay_action([ses]() mutable { td::actor::send_closure(ses, &validatorsession::ValidatorSession::destroy); },
|
|
td::Timestamp::in(10.0));
|
|
}
|
|
stop();
|
|
}
|
|
|
|
void ValidatorGroup::get_validator_group_info_for_litequery(
|
|
td::Promise<tl_object_ptr<lite_api::liteServer_nonfinal_validatorGroupInfo>> promise) {
|
|
if (session_.empty()) {
|
|
promise.set_error(td::Status::Error(ErrorCode::notready, "not started"));
|
|
return;
|
|
}
|
|
td::actor::send_closure(
|
|
session_, &validatorsession::ValidatorSession::get_validator_group_info_for_litequery, last_known_round_id_,
|
|
[SelfId = actor_id(this), promise = std::move(promise), round = last_known_round_id_](
|
|
td::Result<std::vector<tl_object_ptr<lite_api::liteServer_nonfinal_candidateInfo>>> R) mutable {
|
|
TRY_RESULT_PROMISE(promise, result, std::move(R));
|
|
td::actor::send_closure(SelfId, &ValidatorGroup::get_validator_group_info_for_litequery_cont, round,
|
|
std::move(result), std::move(promise));
|
|
});
|
|
}
|
|
|
|
void ValidatorGroup::get_validator_group_info_for_litequery_cont(
|
|
td::uint32 expected_round, std::vector<tl_object_ptr<lite_api::liteServer_nonfinal_candidateInfo>> candidates,
|
|
td::Promise<tl_object_ptr<lite_api::liteServer_nonfinal_validatorGroupInfo>> promise) {
|
|
if (expected_round != last_known_round_id_) {
|
|
candidates.clear();
|
|
}
|
|
|
|
BlockId next_block_id = create_next_block_id_simple();
|
|
for (auto &candidate : candidates) {
|
|
BlockIdExt id{next_block_id, candidate->id_->block_id_->root_hash_, candidate->id_->block_id_->file_hash_};
|
|
candidate->id_->block_id_ = create_tl_lite_block_id(id);
|
|
candidate->available_ =
|
|
available_block_candidates_.count({candidate->id_->creator_, id, candidate->id_->collated_data_hash_});
|
|
}
|
|
|
|
auto result = create_tl_object<lite_api::liteServer_nonfinal_validatorGroupInfo>();
|
|
result->next_block_id_ = create_tl_lite_block_id_simple(next_block_id);
|
|
for (const BlockIdExt& prev : prev_block_ids_) {
|
|
result->prev_.push_back(create_tl_lite_block_id(prev));
|
|
}
|
|
result->cc_seqno_ = validator_set_->get_catchain_seqno();
|
|
result->candidates_ = std::move(candidates);
|
|
promise.set_result(std::move(result));
|
|
}
|
|
|
|
} // namespace validator
|
|
|
|
} // namespace ton
|