text: // Copyright (c) 2019-2021 WAZN Project
  // Copyright (c) 2014-2020, The Monero Project
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  //
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
  
  #pragma once
  #include <array>
  #include <atomic>
  #include <boost/asio/io_service.hpp>
  #include <boost/asio/ip/tcp.hpp>
  #include <boost/thread.hpp>
  #include <boost/optional/optional_fwd.hpp>
  #include <boost/program_options/options_description.hpp>
  #include <boost/program_options/variables_map.hpp>
  #include <boost/uuid/uuid.hpp>
  #include <chrono>
  #include <functional>
  #include <utility>
  #include <vector>
  
  #include "cryptonote_config.h"
  #include "cryptonote_protocol/fwd.h"
  #include "cryptonote_protocol/levin_notify.h"
  #include "warnings.h"
  #include "net/abstract_tcp_server2.h"
  #include "net/levin_protocol_handler.h"
  #include "net/levin_protocol_handler_async.h"
  #include "p2p_protocol_defs.h"
  #include "storages/levin_abstract_invoke2.h"
  #include "net_peerlist.h"
  #include "math_helper.h"
  #include "net_node_common.h"
  #include "net/enums.h"
  #include "net/fwd.h"
  #include "common/command_line.h"
  
  PUSH_WARNINGS
  DISABLE_VS_WARNINGS(4355)
  
  namespace nodetool
  {
    struct proxy
    {
      proxy()
        : max_connections(-1),
          address(),
          zone(epee::net_utils::zone::invalid),
          noise(true)
      {}
  
      std::int64_t max_connections;
      boost::asio::ip::tcp::endpoint address;
      epee::net_utils::zone zone;
      bool noise;
    };
  
    struct anonymous_inbound
    {
      anonymous_inbound()
        : max_connections(-1),
          local_ip(),
          local_port(),
          our_address(),
          default_remote()
      {}
  
      std::int64_t max_connections;
      std::string local_ip;
      std::string local_port;
      epee::net_utils::network_address our_address;
      epee::net_utils::network_address default_remote;
    };
  
    boost::optional<std::vector<proxy>> get_proxies(const boost::program_options::variables_map& vm);
    boost::optional<std::vector<anonymous_inbound>> get_anonymous_inbounds(const boost::program_options::variables_map& vm);
  
    //! \return True if `commnd` is filtered (ignored/dropped) for `address`
    bool is_filtered_command(epee::net_utils::network_address const& address, int command);
  
    // hides boost::future and chrono stuff from mondo template file
    boost::optional<boost::asio::ip::tcp::socket>
    socks_connect_internal(const std::atomic<bool>& stop_signal, boost::asio::io_service& service, const boost::asio::ip::tcp::endpoint& proxy, const epee::net_utils::network_address& remote);
  
  
    template<class base_type>
    struct p2p_connection_context_t: base_type //t_payload_net_handler::connection_context //public net_utils::connection_context_base
    {
      p2p_connection_context_t()
        : fluff_txs(),
          flush_time(std::chrono::steady_clock::time_point::max()),
          peer_id(0),
          support_flags(0),
          m_in_timedsync(false)
      {}
  
      std::vector<cryptonote::blobdata> fluff_txs;
      std::chrono::steady_clock::time_point flush_time;
      peerid_type peer_id;
      uint32_t support_flags;
      bool m_in_timedsync;
      std::set<epee::net_utils::network_address> sent_addresses;
    };
  
    template<class t_payload_net_handler>
    class node_server: public epee::levin::levin_commands_handler<p2p_connection_context_t<typename t_payload_net_handler::connection_context> >,
                       public i_p2p_endpoint<typename t_payload_net_handler::connection_context>,
                       public epee::net_utils::i_connection_filter
    {
      struct by_conn_id{};
      struct by_peer_id{};
      struct by_addr{};
  
      typedef p2p_connection_context_t<typename t_payload_net_handler::connection_context> p2p_connection_context;
  
      typedef COMMAND_HANDSHAKE_T<typename t_payload_net_handler::payload_type> COMMAND_HANDSHAKE;
      typedef COMMAND_TIMED_SYNC_T<typename t_payload_net_handler::payload_type> COMMAND_TIMED_SYNC;
      static_assert(p2p_connection_context::handshake_command() == COMMAND_HANDSHAKE::ID, "invalid handshake command id");
  
      typedef epee::net_utils::boosted_tcp_server<epee::levin::async_protocol_handler<p2p_connection_context>> net_server;
  
      struct network_zone;
      using connect_func = boost::optional<p2p_connection_context>(network_zone&, epee::net_utils::network_address const&, epee::net_utils::ssl_support_t);
  
      struct config_t
      {
        config_t()
          : m_net_config(),
            m_peer_id(1),
            m_support_flags(0)
        {}
  
        network_config m_net_config;
        uint64_t m_peer_id;
        uint32_t m_support_flags;
      };
      typedef epee::misc_utils::struct_init<config_t> config;
  
      struct network_zone
      {
        network_zone()
          : m_connect(nullptr),
            m_net_server(epee::net_utils::e_connection_type_P2P),
            m_seed_nodes(),
            m_bind_ip(),
            m_bind_ipv6_address(),
            m_port(),
            m_port_ipv6(),
            m_notifier(),
            m_our_address(),
            m_peerlist(),
            m_config{},
            m_proxy_address(),
            m_current_number_of_out_peers(0),
            m_current_number_of_in_peers(0),
            m_seed_nodes_lock(),
            m_can_pingback(false),
            m_seed_nodes_initialized(false)
        {
          set_config_defaults();
        }
  
        network_zone(boost::asio::io_service& public_service)
          : m_connect(nullptr),
            m_net_server(public_service, epee::net_utils::e_connection_type_P2P),
            m_seed_nodes(),
            m_bind_ip(),
            m_bind_ipv6_address(),
            m_port(),
            m_port_ipv6(),
            m_notifier(),
            m_our_address(),
            m_peerlist(),
            m_config{},
            m_proxy_address(),
            m_current_number_of_out_peers(0),
            m_current_number_of_in_peers(0),
            m_seed_nodes_lock(),
            m_can_pingback(false),
            m_seed_nodes_initialized(false)
        {
          set_config_defaults();
        }
  
        connect_func* m_connect;
        net_server m_net_server;
        std::vector<epee::net_utils::network_address> m_seed_nodes;
        std::string m_bind_ip;
        std::string m_bind_ipv6_address;
        std::string m_port;
        std::string m_port_ipv6;
        cryptonote::levin::notify m_notifier;
        epee::net_utils::network_address m_our_address; // in anonymity networks
        peerlist_manager m_peerlist;
        config m_config;
        boost::asio::ip::tcp::endpoint m_proxy_address;
        std::atomic<unsigned int> m_current_number_of_out_peers;
        std::atomic<unsigned int> m_current_number_of_in_peers;
        boost::shared_mutex m_seed_nodes_lock;
        bool m_can_pingback;
        bool m_seed_nodes_initialized;
  
      private:
        void set_config_defaults() noexcept
        {
          // at this moment we have a hardcoded config
          m_config.m_net_config.handshake_interval = P2P_DEFAULT_HANDSHAKE_INTERVAL;
          m_config.m_net_config.packet_max_size = P2P_DEFAULT_PACKET_MAX_SIZE;
          m_config.m_net_config.config_id = 0;
          m_config.m_net_config.connection_timeout = P2P_DEFAULT_CONNECTION_TIMEOUT;
          m_config.m_net_config.ping_connection_timeout = P2P_DEFAULT_PING_CONNECTION_TIMEOUT;
          m_config.m_net_config.send_peerlist_sz = P2P_DEFAULT_PEERS_IN_HANDSHAKE;
          m_config.m_support_flags = 0; // only set in public zone
        }
      };
  
      enum igd_t
      {
        no_igd,
        igd,
        delayed_igd,
      };
  
    public:
      typedef t_payload_net_handler payload_net_handler;
  
      node_server(t_payload_net_handler& payload_handler)
        : m_payload_handler(payload_handler),
          m_external_port(0),
          m_rpc_port(0),
          m_rpc_credits_per_hash(0),
          m_allow_local_ip(false),
          m_hide_my_port(false),
          m_igd(no_igd),
          m_offline(false),
          is_closing(false),
          m_network_id()
      {}
      virtual ~node_server();
  
      static void init_options(boost::program_options::options_description& desc);
  
      bool run();
      network_zone& add_zone(epee::net_utils::zone zone);
      bool init(const boost::program_options::variables_map& vm);
      bool deinit();
      bool send_stop_signal();
      uint32_t get_this_peer_port(){return m_listening_port;}
      t_payload_net_handler& get_payload_object();
  
      // debug functions
      bool log_peerlist();
      bool log_connections();
  
      // These functions only return information for the "public" zone
      virtual uint64_t get_public_connections_count();
      size_t get_public_outgoing_connections_count();
      size_t get_public_white_peers_count();
      size_t get_public_gray_peers_count();
      void get_public_peerlist(std::vector<peerlist_entry>& gray, std::vector<peerlist_entry>& white);
      void get_peerlist(std::vector<peerlist_entry>& gray, std::vector<peerlist_entry>& white);
  
      void change_max_out_public_peers(size_t count);
      uint32_t get_max_out_public_peers() const;
      void change_max_in_public_peers(size_t count);
      uint32_t get_max_in_public_peers() const;
      virtual bool block_host(epee::net_utils::network_address address, time_t seconds = P2P_IP_BLOCKTIME, bool add_only = false);
      virtual bool unblock_host(const epee::net_utils::network_address &address);
      virtual bool block_subnet(const epee::net_utils::ipv4_network_subnet &subnet, time_t seconds = P2P_IP_BLOCKTIME);
      virtual bool unblock_subnet(const epee::net_utils::ipv4_network_subnet &subnet);
      virtual bool is_host_blocked(const epee::net_utils::network_address &address, time_t *seconds) { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return !is_remote_host_allowed(address, seconds); }
      virtual std::map<std::string, time_t> get_blocked_hosts() { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return m_blocked_hosts; }
      virtual std::map<epee::net_utils::ipv4_network_subnet, time_t> get_blocked_subnets() { CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); return m_blocked_subnets; }
  
      virtual void add_used_stripe_peer(const typename t_payload_net_handler::connection_context &context);
      virtual void remove_used_stripe_peer(const typename t_payload_net_handler::connection_context &context);
      virtual void clear_used_stripe_peers();
  
    private:
      const std::vector<std::string> m_seed_nodes_list =
      { "seeds.wazn.io"
      , "seeds.wazniya.com"
      };
  
      bool islimitup=false;
      bool islimitdown=false;
  
      CHAIN_LEVIN_INVOKE_MAP2(p2p_connection_context); //move levin_commands_handler interface invoke(...) callbacks into invoke map
      CHAIN_LEVIN_NOTIFY_MAP2(p2p_connection_context); //move levin_commands_handler interface notify(...) callbacks into nothing
  
      BEGIN_INVOKE_MAP2(node_server)
        if (is_filtered_command(context.m_remote_address, command))
          return LEVIN_ERROR_CONNECTION_HANDLER_NOT_DEFINED;
  
        HANDLE_INVOKE_T2(COMMAND_HANDSHAKE, &node_server::handle_handshake)
        HANDLE_INVOKE_T2(COMMAND_TIMED_SYNC, &node_server::handle_timed_sync)
        HANDLE_INVOKE_T2(COMMAND_PING, &node_server::handle_ping)
        HANDLE_INVOKE_T2(COMMAND_REQUEST_SUPPORT_FLAGS, &node_server::handle_get_support_flags)
        CHAIN_INVOKE_MAP_TO_OBJ_FORCE_CONTEXT(m_payload_handler, typename t_payload_net_handler::connection_context&)
      END_INVOKE_MAP2()
  
      enum PeerType { anchor = 0, white, gray };
  
      //----------------- commands handlers ----------------------------------------------
      int handle_handshake(int command, typename COMMAND_HANDSHAKE::request& arg, typename COMMAND_HANDSHAKE::response& rsp, p2p_connection_context& context);
      int handle_timed_sync(int command, typename COMMAND_TIMED_SYNC::request& arg, typename COMMAND_TIMED_SYNC::response& rsp, p2p_connection_context& context);
      int handle_ping(int command, COMMAND_PING::request& arg, COMMAND_PING::response& rsp, p2p_connection_context& context);
      int handle_get_support_flags(int command, COMMAND_REQUEST_SUPPORT_FLAGS::request& arg, COMMAND_REQUEST_SUPPORT_FLAGS::response& rsp, p2p_connection_context& context);
      bool init_config();
      bool make_default_peer_id();
      bool make_default_config();
      bool store_config();
  
  
      //----------------- levin_commands_handler -------------------------------------------------------------
      virtual void on_connection_new(p2p_connection_context& context);
      virtual void on_connection_close(p2p_connection_context& context);
      virtual void callback(p2p_connection_context& context);
      //----------------- i_p2p_endpoint -------------------------------------------------------------
      virtual bool relay_notify_to_list(int command, const epee::span<const uint8_t> data_buff, std::vector<std::pair<epee::net_utils::zone, boost::uuids::uuid>> connections);
      virtual epee::net_utils::zone send_txs(std::vector<cryptonote::blobdata> txs, const epee::net_utils::zone origin, const boost::uuids::uuid& source, cryptonote::relay_method tx_relay);
      virtual bool invoke_command_to_peer(int command, const epee::span<const uint8_t> req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context);
      virtual bool invoke_notify_to_peer(int command, const epee::span<const uint8_t> req_buff, const epee::net_utils::connection_context_base& context);
      virtual bool drop_connection(const epee::net_utils::connection_context_base& context);
      virtual void request_callback(const epee::net_utils::connection_context_base& context);
      virtual void for_each_connection(std::function<bool(typename t_payload_net_handler::connection_context&, peerid_type, uint32_t)> f);
      virtual bool for_connection(const boost::uuids::uuid&, std::function<bool(typename t_payload_net_handler::connection_context&, peerid_type, uint32_t)> f);
      virtual bool add_host_fail(const epee::net_utils::network_address &address, unsigned int score = 1);
      //----------------- i_connection_filter  --------------------------------------------------------
      virtual bool is_remote_host_allowed(const epee::net_utils::network_address &address, time_t *t = NULL);
      //-----------------------------------------------------------------------------------------------
      bool parse_peer_from_string(epee::net_utils::network_address& pe, const std::string& node_addr, uint16_t default_port = 0);
      bool handle_command_line(
          const boost::program_options::variables_map& vm
        );
      bool idle_worker();
      bool handle_remote_peerlist(const std::vector<peerlist_entry>& peerlist, const epee::net_utils::connection_context_base& context);
      bool get_local_node_data(basic_node_data& node_data, const network_zone& zone);
      //bool get_local_handshake_data(handshake_data& hshd);
  
      bool sanitize_peerlist(std::vector<peerlist_entry>& local_peerlist);
  
      bool connections_maker();
      bool peer_sync_idle_maker();
      bool do_handshake_with_peer(peerid_type& pi, p2p_connection_context& context, bool just_take_peerlist = false);
      bool do_peer_timed_sync(const epee::net_utils::connection_context_base& context, peerid_type peer_id);
      bool update_dns_blocklist();
  
      bool make_new_connection_from_anchor_peerlist(const std::vector<anchor_peerlist_entry>& anchor_peerlist);
      bool make_new_connection_from_peerlist(network_zone& zone, bool use_white_list);
      bool try_to_connect_and_handshake_with_new_peer(const epee::net_utils::network_address& na, bool just_take_peerlist = false, uint64_t last_seen_stamp = 0, PeerType peer_type = white, uint64_t first_seen_stamp = 0);
      size_t get_random_index_with_fixed_probability(size_t max_index);
      bool is_peer_used(const peerlist_entry& peer);
      bool is_peer_used(const anchor_peerlist_entry& peer);
      bool is_addr_connected(const epee::net_utils::network_address& peer);
      void add_upnp_port_mapping_impl(uint32_t port, bool ipv6=false);
      void add_upnp_port_mapping_v4(uint32_t port);
      void add_upnp_port_mapping_v6(uint32_t port);
      void add_upnp_port_mapping(uint32_t port, bool ipv4=true, bool ipv6=false);
      void delete_upnp_port_mapping_impl(uint32_t port, bool ipv6=false);
      void delete_upnp_port_mapping_v4(uint32_t port);
      void delete_upnp_port_mapping_v6(uint32_t port);
      void delete_upnp_port_mapping(uint32_t port);
      template<class t_callback>
      bool try_ping(basic_node_data& node_data, p2p_connection_context& context, const t_callback &cb);
      bool try_get_support_flags(const p2p_connection_context& context, std::function<void(p2p_connection_context&, const uint32_t&)> f);
      bool make_expected_connections_count(network_zone& zone, PeerType peer_type, size_t expected_connections);
      void record_addr_failed(const epee::net_utils::network_address& addr);
      bool is_addr_recently_failed(const epee::net_utils::network_address& addr);
      bool is_priority_node(const epee::net_utils::network_address& na);
      std::set<std::string> get_ip_seed_nodes() const;
      std::set<std::string> get_dns_seed_nodes();
      std::set<std::string> get_seed_nodes(epee::net_utils::zone);
      bool connect_to_seed(epee::net_utils::zone);
  
      template <class Container>
      bool connect_to_peerlist(const Container& peers);
  
      template <class Container>
      bool parse_peers_and_add_to_container(const boost::program_options::variables_map& vm, const command_line::arg_descriptor<std::vector<std::string> > & arg, Container& container);
  
      bool set_max_out_peers(network_zone& zone, int64_t max);
      bool set_max_in_peers(network_zone& zone, int64_t max);
      bool set_tos_flag(const boost::program_options::variables_map& vm, int limit);
  
      bool set_rate_up_limit(const boost::program_options::variables_map& vm, int64_t limit);
      bool set_rate_down_limit(const boost::program_options::variables_map& vm, int64_t limit);
      bool set_rate_limit(const boost::program_options::variables_map& vm, int64_t limit);
  
      bool has_too_many_connections(const epee::net_utils::network_address &address);
      size_t get_incoming_connections_count();
      size_t get_incoming_connections_count(network_zone&);
      size_t get_outgoing_connections_count();
      size_t get_outgoing_connections_count(network_zone&);
  
      bool check_connection_and_handshake_with_peer(const epee::net_utils::network_address& na, uint64_t last_seen_stamp);
      bool gray_peerlist_housekeeping();
      bool check_incoming_connections();
  
      void kill() { ///< will be called e.g. from deinit()
        _info("Killing the net_node");
        is_closing = true;
        if(mPeersLoggerThread != nullptr)
          mPeersLoggerThread->join(); // make sure the thread finishes
        _info("Joined extra background net_node threads");
      }
  
      //debug functions
      std::string print_connections_container();
  
  
    public:
  
      void set_rpc_port(uint16_t rpc_port)
      {
        m_rpc_port = rpc_port;
      }
  
      void set_rpc_credits_per_hash(uint32_t rpc_credits_per_hash)
      {
        m_rpc_credits_per_hash = rpc_credits_per_hash;
      }
  
    private:
      std::string m_config_folder;
  
      bool m_have_address;
      bool m_first_connection_maker_call;
      uint32_t m_listening_port;
      uint32_t m_listening_port_ipv6;
      uint32_t m_external_port;
      uint16_t m_rpc_port;
      uint32_t m_rpc_credits_per_hash;
      bool m_allow_local_ip;
      bool m_hide_my_port;
      igd_t m_igd;
      bool m_offline;
      bool m_use_ipv6;
      bool m_require_ipv4;
      std::atomic<bool> is_closing;
      std::unique_ptr<boost::thread> mPeersLoggerThread;
      //critical_section m_connections_lock;
      //connections_indexed_container m_connections;
  
      t_payload_net_handler& m_payload_handler;
      peerlist_storage m_peerlist_storage;
  
      epee::math_helper::once_a_time_seconds<P2P_DEFAULT_HANDSHAKE_INTERVAL> m_peer_handshake_idle_maker_interval;
      epee::math_helper::once_a_time_seconds<1> m_connections_maker_interval;
      epee::math_helper::once_a_time_seconds<60*30, false> m_peerlist_store_interval;
      epee::math_helper::once_a_time_seconds<60> m_gray_peerlist_housekeeping_interval;
      epee::math_helper::once_a_time_seconds<3600, false> m_incoming_connections_interval;
      epee::math_helper::once_a_time_seconds<7000> m_dns_blocklist_interval;
  
      std::list<epee::net_utils::network_address>   m_priority_peers;
      std::vector<epee::net_utils::network_address> m_exclusive_peers;
      std::atomic_flag m_fallback_seed_nodes_added;
      std::vector<nodetool::peerlist_entry> m_command_line_peers;
      uint64_t m_peer_livetime;
      //keep connections to initiate some interactions
  
  
      static boost::optional<p2p_connection_context> public_connect(network_zone&, epee::net_utils::network_address const&, epee::net_utils::ssl_support_t);
      static boost::optional<p2p_connection_context> socks_connect(network_zone&, epee::net_utils::network_address const&, epee::net_utils::ssl_support_t);
  
  
      /* A `std::map` provides constant iterators and key/value pointers even with
      inserts/erases to _other_ elements. This makes the configuration step easier
      since references can safely be stored on the stack. Do not insert/erase
      after configuration and before destruction, lock safety would need to be
      added. `std::map::operator[]` WILL insert! */
      std::map<epee::net_utils::zone, network_zone> m_network_zones;
  
  
      std::map<std::string, time_t> m_conn_fails_cache;
      epee::critical_section m_conn_fails_cache_lock;
  
      epee::critical_section m_blocked_hosts_lock; // for both hosts and subnets
      std::map<std::string, time_t> m_blocked_hosts;
      std::map<epee::net_utils::ipv4_network_subnet, time_t> m_blocked_subnets;
  
      epee::critical_section m_host_fails_score_lock;
      std::map<std::string, uint64_t> m_host_fails_score;
  
      boost::mutex m_used_stripe_peers_mutex;
      std::array<std::list<epee::net_utils::network_address>, 1 << CRYPTONOTE_PRUNING_LOG_STRIPES> m_used_stripe_peers;
  
      boost::uuids::uuid m_network_id;
      cryptonote::network_type m_nettype;
  
      epee::net_utils::ssl_support_t m_ssl_support;
  
      bool m_enable_dns_blocklist;
    };
  
      const int64_t default_limit_up = P2P_DEFAULT_LIMIT_RATE_UP;      // kB/s
      const int64_t default_limit_down = P2P_DEFAULT_LIMIT_RATE_DOWN;  // kB/s
      extern const command_line::arg_descriptor<std::string> arg_p2p_bind_ip;
      extern const command_line::arg_descriptor<std::string> arg_p2p_bind_ipv6_address;
      extern const command_line::arg_descriptor<std::string, false, true, 2> arg_p2p_bind_port;
      extern const command_line::arg_descriptor<std::string, false, true, 2> arg_p2p_bind_port_ipv6;
      extern const command_line::arg_descriptor<bool>        arg_p2p_use_ipv6;
      extern const command_line::arg_descriptor<bool>        arg_p2p_ignore_ipv4;
      extern const command_line::arg_descriptor<uint32_t>    arg_p2p_external_port;
      extern const command_line::arg_descriptor<bool>        arg_p2p_allow_local_ip;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_p2p_add_peer;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_p2p_add_priority_node;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_p2p_add_exclusive_node;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_p2p_seed_node;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_tx_proxy;
      extern const command_line::arg_descriptor<std::vector<std::string> > arg_anonymous_inbound;
      extern const command_line::arg_descriptor<std::string> arg_ban_list;
      extern const command_line::arg_descriptor<bool> arg_p2p_hide_my_port;
      extern const command_line::arg_descriptor<bool> arg_no_sync;
      extern const command_line::arg_descriptor<bool> arg_enable_dns_blocklist;
  
      extern const command_line::arg_descriptor<bool>        arg_no_igd;
      extern const command_line::arg_descriptor<std::string> arg_igd;
      extern const command_line::arg_descriptor<bool>        arg_offline;
      extern const command_line::arg_descriptor<int64_t>     arg_out_peers;
      extern const command_line::arg_descriptor<int64_t>     arg_in_peers;
      extern const command_line::arg_descriptor<int> arg_tos_flag;
  
      extern const command_line::arg_descriptor<int64_t> arg_limit_rate_up;
      extern const command_line::arg_descriptor<int64_t> arg_limit_rate_down;
      extern const command_line::arg_descriptor<int64_t> arg_limit_rate;
      extern const command_line::arg_descriptor<bool> arg_pad_transactions;
  }
  
  POP_WARNINGS
  