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initial commit 2019-09-07 14:03:22 +04:00 • committed by vvaltman
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tonlib/tonlib/LastBlock.cpp Normal file
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/*
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
*/
#include "tonlib/LastBlock.h"
#include "ton/lite-tl.hpp"
namespace tonlib {
LastBlock::LastBlock(ExtClientRef client, td::actor::ActorShared<> parent) {
client_.set_client(client);
parent_ = std::move(parent);
}
void LastBlock::get_last_block(td::Promise<ton::BlockIdExt> promise) {
if (promises_.empty()) {
do_get_last_block();
}
promises_.push_back(std::move(promise));
}
void LastBlock::do_get_last_block() {
client_.send_query(ton::lite_api::liteServer_getMasterchainInfo(),
[this](auto r_info) { this->on_masterchain_info(std::move(r_info)); });
}
void LastBlock::on_masterchain_info(
td::Result<ton::ton_api::object_ptr<ton::lite_api::liteServer_masterchainInfo>> r_info) {
if (r_info.is_ok()) {
auto info = r_info.move_as_ok();
update_zero_state(create_zero_state_id(info->init_));
update_mc_last_block(create_block_id(info->last_));
}
for (auto& promise : promises_) {
auto copy = mc_last_block_id_;
promise.set_value(std::move(copy));
}
promises_.clear();
}
void LastBlock::update_zero_state(ton::ZeroStateIdExt zero_state_id) {
if (!zero_state_id.is_valid()) {
LOG(ERROR) << "Ignore invalid zero state update";
return;
}
if (!zero_state_id_.is_valid()) {
LOG(INFO) << "Init zerostate: " << zero_state_id.to_str();
zero_state_id_ = std::move(zero_state_id);
return;
}
if (zero_state_id_ == zero_state_id_) {
return;
}
LOG(FATAL) << "Masterchain zerostate mismatch: expected: " << zero_state_id_.to_str() << ", found "
<< zero_state_id.to_str();
// TODO: all other updates will be inconsitent.
// One will have to restart ton client
}
void LastBlock::update_mc_last_block(ton::BlockIdExt mc_block_id) {
if (!mc_block_id.is_valid()) {
LOG(ERROR) << "Ignore invalid masterchain block";
return;
}
if (!mc_last_block_id_.is_valid() || mc_last_block_id_.id.seqno < mc_block_id.id.seqno) {
mc_last_block_id_ = mc_block_id;
LOG(INFO) << "Update masterchain block id: " << mc_last_block_id_.to_str();
}
}
} // namespace tonlib