mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
126 lines
3.9 KiB
C++
126 lines
3.9 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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#pragma once
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#include "adnl/adnl-node-id.hpp"
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#include "adnl/adnl-address-list.hpp"
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#include "dht-types.h"
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#include "auto/tl/ton_api.hpp"
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#include "td/utils/overloaded.h"
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namespace ton {
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namespace dht {
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class DhtNode {
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private:
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adnl::AdnlNodeIdFull id_;
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adnl::AdnlAddressList addr_list_;
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td::int32 version_{0};
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td::int32 network_id_{-1};
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td::SharedSlice signature_;
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public:
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DhtNode() = default;
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DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::int32 network_id, td::BufferSlice signature)
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: id_(id), addr_list_(addr_list), version_(version), network_id_(network_id), signature_(signature.as_slice()) {
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}
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DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::int32 network_id, td::SharedSlice signature)
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: id_(id), addr_list_(addr_list), version_(version), network_id_(network_id), signature_(std::move(signature)) {
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}
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static td::Result<DhtNode> create(tl_object_ptr<ton_api::dht_node> obj, td::int32 our_network_id) {
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if (obj->version_ == 0) {
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return td::Status::Error(ErrorCode::protoviolation, "zero version");
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}
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DhtNode n;
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TRY_STATUS(n.update(std::move(obj), our_network_id));
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return std::move(n);
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}
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td::Status update(tl_object_ptr<ton_api::dht_node> obj, td::int32 our_network_id);
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DhtKeyId get_key() const {
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CHECK(!id_.empty());
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return DhtKeyId{id_.compute_short_id()};
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}
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adnl::AdnlNodeIdFull adnl_id() const {
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return id_;
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}
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adnl::AdnlAddressList addr_list() const {
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return addr_list_;
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}
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td::int32 version() const {
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return version_;
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}
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tl_object_ptr<ton_api::dht_node> tl() const {
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td::BufferSlice signature_ext;
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if (network_id_ == -1) {
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signature_ext = signature_.clone_as_buffer_slice();
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} else {
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signature_ext = td::BufferSlice{4 + signature_.size()};
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td::MutableSlice s = signature_ext.as_slice();
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s.copy_from(td::Slice(reinterpret_cast<const td::uint8 *>(&network_id_), 4));
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s.remove_prefix(4);
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s.copy_from(signature_.as_slice());
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}
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return create_tl_object<ton_api::dht_node>(id_.tl(), addr_list_.tl(), version_, std::move(signature_ext));
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}
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DhtNode clone() const {
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return DhtNode{id_, addr_list_, version_, network_id_, signature_.clone()};
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}
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td::Status check_signature() const;
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};
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class DhtNodesList {
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public:
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DhtNodesList() = default;
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DhtNodesList(tl_object_ptr<ton_api::dht_nodes> R, td::int32 our_network_id) {
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for (auto &n : R->nodes_) {
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auto N = DhtNode::create(std::move(n), our_network_id);
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if (N.is_ok()) {
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list_.emplace_back(N.move_as_ok());
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} else {
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LOG(WARNING) << "bad dht node: " << N.move_as_error();
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}
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}
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}
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void push_back(DhtNode node) {
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list_.emplace_back(std::move(node));
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}
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tl_object_ptr<ton_api::dht_nodes> tl() const;
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std::vector<DhtNode> &list() {
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return list_;
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}
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const std::vector<DhtNode> &list() const {
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return list_;
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}
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td::uint32 size() const {
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return static_cast<td::uint32>(list_.size());
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}
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private:
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std::vector<DhtNode> list_;
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};
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} // namespace dht
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} // namespace ton
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