text: // Copyright (c) 2018, The Dinastycoin 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.
  
  #include "parse.h"
  
  #include "net/tor_address.h"
  #include "net/i2p_address.h"
  #include "string_tools.h"
  
  namespace net
  {
      expect<epee::net_utils::network_address>
      get_network_address(const boost::string_ref address, const std::uint16_t default_port)
      {
          const boost::string_ref host = address.substr(0, address.rfind(':'));
  
          if (host.empty())
              return make_error_code(net::error::invalid_host);
          if (host.ends_with(".onion"))
              return tor_address::make(address, default_port);
          if (host.ends_with(".i2p"))
              return i2p_address::make(address, default_port);
  
          std::uint16_t port = default_port;
          if (host.size() < address.size())
          {
              if (!epee::string_tools::get_xtype_from_string(port, std::string{address.substr(host.size() + 1)}))
                  return make_error_code(net::error::invalid_port);
          }
  
          std::uint32_t ip = 0;
          if (epee::string_tools::get_ip_int32_from_string(ip, std::string{host}))
              return {epee::net_utils::ipv4_network_address{ip, port}};
          return make_error_code(net::error::unsupported_address);
      }
  }
  