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94 lines
3.3 KiB
C++
94 lines
3.3 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 2017-2019 Telegram Systems LLP
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*/
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#pragma once
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#include "adnl/adnl-ext-client.h"
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#include "tl-utils/lite-utils.hpp"
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#include "auto/tl/lite_api.h"
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#include "ton/ton-types.h"
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#include "td/actor/actor.h"
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#include "td/utils/Container.h"
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#include "td/utils/Random.h"
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#include "TonlibError.h"
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#include "utils.h"
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namespace tonlib {
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class LastBlock;
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struct LastBlockState;
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struct ExtClientRef {
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td::actor::ActorId<ton::adnl::AdnlExtClient> andl_ext_client_;
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td::actor::ActorId<LastBlock> last_block_actor_;
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};
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class ExtClient {
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public:
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ExtClient() = default;
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ExtClient(const ExtClient&) = delete;
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ExtClient(ExtClient&&) = delete;
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ExtClient& operator=(const ExtClient&) = delete;
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ExtClient& operator=(ExtClient&&) = delete;
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void set_client(ExtClientRef client) {
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client_ = client;
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}
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ExtClientRef get_client() {
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return client_;
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}
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void with_last_block(td::Promise<LastBlockState> promise);
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template <class QueryT>
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void send_query(QueryT query, td::Promise<typename QueryT::ReturnType> promise) {
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auto raw_query = ton::serialize_tl_object(&query, true);
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td::uint32 tag = td::Random::fast_uint32();
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VLOG(lite_server) << "send query to liteserver: " << tag << " " << to_string(query);
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td::BufferSlice liteserver_query =
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ton::serialize_tl_object(ton::create_tl_object<ton::lite_api::liteServer_query>(std::move(raw_query)), true);
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send_raw_query(
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std::move(liteserver_query), [promise = std::move(promise), tag](td::Result<td::BufferSlice> R) mutable {
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auto res = [&]() -> td::Result<typename QueryT::ReturnType> {
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TRY_RESULT_PREFIX(data, std::move(R), TonlibError::LiteServerNetwork());
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auto r_error = ton::fetch_tl_object<ton::lite_api::liteServer_error>(data.clone(), true);
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if (r_error.is_ok()) {
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auto f = r_error.move_as_ok();
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return TonlibError::LiteServer(f->code_, f->message_);
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}
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return ton::fetch_result<QueryT>(std::move(data));
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}
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();
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VLOG_IF(lite_server, res.is_ok())
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<< "got result from liteserver: " << tag << " " << td::Slice(to_string(res.ok())).truncate(1 << 12);
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VLOG_IF(lite_server, res.is_error()) << "got error from liteserver: " << tag << " " << res.error();
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promise.set_result(std::move(res));
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});
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}
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private:
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ExtClientRef client_;
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td::Container<td::Promise<td::BufferSlice>> queries_;
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td::Container<td::Promise<LastBlockState>> last_block_queries_;
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void send_raw_query(td::BufferSlice query, td::Promise<td::BufferSlice> promise);
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};
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} // namespace tonlib
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