blockchain/src/api/ApiServer.hpp

// Copyright (c) 2017-2025 Lethean (https://lt.hn)
//
// Licensed under the European Union Public Licence (EUPL) version 1.2.
// You may obtain a copy of the licence at:
//
//     https://joinup.ec.europa.eu/software/page/eupl/licence-eupl
//
// The EUPL is a copyleft licence that is compatible with the MIT/X11
// licence used by the original projects; but maintains OSS status,
// where regional copyright law requires ownership to dictate licence terms.
//
// SPDX‑License‑Identifier: EUPL-1.2
//

#ifndef ApiServer_hpp
#define ApiServer_hpp

#include "currency_core/currency_core.h"
#include "p2p/net_node.h"
#include "currency_protocol/currency_protocol_handler.h"
#include "rpc/core_rpc_server.h"

#include "oatpp/web/server/HttpConnectionHandler.hpp"
#include "oatpp/network/tcp/server/ConnectionProvider.hpp"
#include "oatpp/parser/json/mapping/ObjectMapper.hpp"
#include "oatpp/core/macro/component.hpp"
#include "oatpp-swagger/Resources.hpp"
#include "oatpp/network/Server.hpp"
#include <thread>
#include <boost/program_options.hpp>

namespace po = boost::program_options;

// Define the p2p server type to avoid verbose template syntax
typedef nodetool::node_server<currency::t_currency_protocol_handler<currency::core>> p2psrv_t;

class ApiServer {
private:
  std::thread m_server_thread;
  std::shared_ptr<oatpp::network::Server> m_server;
  boost::program_options::variables_map m_vm;
  
  currency::core* m_ccore;
  p2psrv_t* m_p2p;
  currency::core_rpc_server* m_rpc_server;

  void run();

public:
  static uint16_t m_port;
  static std::string m_host;

  static void init_options(po::options_description& desc);

  ApiServer(const boost::program_options::variables_map& vm, currency::core* ccore, p2psrv_t* p2p, currency::core_rpc_server* rpc_server);
  
  class Components  {
  public:
    
    OATPP_CREATE_COMPONENT(std::shared_ptr<oatpp::network::ServerConnectionProvider>, serverConnectionProvider)([] {
      return oatpp::network::tcp::server::ConnectionProvider::createShared({ApiServer::m_host, ApiServer::m_port, oatpp::network::Address::IP_4});
    }());
    
    OATPP_CREATE_COMPONENT(std::shared_ptr<oatpp::web::server::HttpRouter>, httpRouter)([] {
      return oatpp::web::server::HttpRouter::createShared();
    }());
    
    OATPP_CREATE_COMPONENT(std::shared_ptr<oatpp::network::ConnectionHandler>, serverConnectionHandler)([] {
      OATPP_COMPONENT(std::shared_ptr<oatpp::web::server::HttpRouter>, router);
      return oatpp::web::server::HttpConnectionHandler::createShared(router);
    }());
    
    OATPP_CREATE_COMPONENT(std::shared_ptr<oatpp::data::mapping::ObjectMapper>, apiObjectMapper)([] {
      auto jsonMapper = oatpp::parser::json::mapping::ObjectMapper::createShared();
      jsonMapper->getSerializer()->getConfig()->useBeautifier = true;
      return jsonMapper;
    }());

    OATPP_CREATE_COMPONENT(std::shared_ptr<oatpp::swagger::Resources>, swaggerResources)([] {
      return oatpp::swagger::Resources::loadResources(OATPP_SWAGGER_RES_PATH);
    }());

  };

  void start();
  void stop();
  void wait();

};

#endif /* ApiServer_hpp */