text: // Copyright (c) 2016-2017, SUMOKOIN, (forked from) 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
  
  #include "string_tools.h"
  #include "common/scoped_message_writer.h"
  #include "daemon/rpc_command_executor.h"
  #include "rpc/core_rpc_server_commands_defs.h"
  #include "cryptonote_core/cryptonote_core.h"
  #include "cryptonote_core/hardfork.h"
  #include <boost/format.hpp>
  #include <ctime>
  #include <string>
  
  namespace daemonize {
  
  namespace {
    void print_peer(std::string const & prefix, cryptonote::peer const & peer)
    {
      time_t now;
      time(&now);
      time_t last_seen = static_cast<time_t>(peer.last_seen);
  
      std::string id_str;
      std::string port_str;
      std::string elapsed = epee::misc_utils::get_time_interval_string(now - last_seen);
      std::string ip_str = epee::string_tools::get_ip_string_from_int32(peer.ip);
      epee::string_tools::xtype_to_string(peer.id, id_str);
      epee::string_tools::xtype_to_string(peer.port, port_str);
      std::string addr_str = ip_str + ":" + port_str;
      tools::msg_writer() << boost::format("%-10s %-25s %-25s %s") % prefix % id_str % addr_str % elapsed;
    }
  
    void print_block_header(cryptonote::block_header_response const & header)
    {
      tools::success_msg_writer()
        << "timestamp: " << boost::lexical_cast<std::string>(header.timestamp) << std::endl
        << "previous hash: " << header.prev_hash << std::endl
        << "nonce: " << boost::lexical_cast<std::string>(header.nonce) << std::endl
        << "is orphan: " << header.orphan_status << std::endl
        << "height: " << boost::lexical_cast<std::string>(header.height) << std::endl
        << "depth: " << boost::lexical_cast<std::string>(header.depth) << std::endl
        << "hash: " << header.hash << std::endl
        << "difficulty: " << boost::lexical_cast<std::string>(header.difficulty) << std::endl
        << "reward: " << boost::lexical_cast<std::string>(header.reward);
    }
  
    std::string get_human_time_ago(time_t t, time_t now)
    {
      if (t == now)
        return "now";
      time_t dt = t > now ? t - now : now - t;
      std::string s;
      if (dt < 90)
        s = boost::lexical_cast<std::string>(dt) + " seconds";
      else if (dt < 90 * 60)
        s = boost::lexical_cast<std::string>(dt/60) + " minutes";
      else if (dt < 36 * 3600)
        s = boost::lexical_cast<std::string>(dt/3600) + " hours";
      else
        s = boost::lexical_cast<std::string>(dt/(3600*24)) + " days";
      return s + " " + (t > now ? "in the future" : "ago");
    }
  }
  
  t_rpc_command_executor::t_rpc_command_executor(
      uint32_t ip
    , uint16_t port
    , const std::string &user_agent
    , bool is_rpc
    , cryptonote::core_rpc_server* rpc_server
    )
    : m_rpc_client(NULL), m_rpc_server(rpc_server)
  {
    if (is_rpc)
    {
      m_rpc_client = new tools::t_rpc_client(ip, port);
    }
    else
    {
      if (rpc_server == NULL)
      {
        throw std::runtime_error("If not calling commands via RPC, rpc_server pointer must be non-null");
      }
    }
  
    m_is_rpc = is_rpc;
  }
  
  t_rpc_command_executor::~t_rpc_command_executor()
  {
    if (m_rpc_client != NULL)
    {
      delete m_rpc_client;
    }
  }
  
  bool t_rpc_command_executor::print_peer_list() {
    cryptonote::COMMAND_RPC_GET_PEER_LIST::request req;
    cryptonote::COMMAND_RPC_GET_PEER_LIST::response res;
  
    std::string failure_message = "Couldn't retrieve peer list";
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/get_peer_list", failure_message.c_str()))
      {
        return false;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_peer_list(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << failure_message;
        return false;
      }
    }
  
    for (auto & peer : res.white_list)
    {
      print_peer("white", peer);
    }
  
    for (auto & peer : res.gray_list)
    {
      print_peer("gray", peer);
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::save_blockchain() {
    cryptonote::COMMAND_RPC_SAVE_BC::request req;
    cryptonote::COMMAND_RPC_SAVE_BC::response res;
  
    std::string fail_message = "Couldn't save blockchain";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/save_bc", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_save_bc(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << "Blockchain saved";
  
    return true;
  }
  
  bool t_rpc_command_executor::show_hash_rate() {
    cryptonote::COMMAND_RPC_SET_LOG_HASH_RATE::request req;
    cryptonote::COMMAND_RPC_SET_LOG_HASH_RATE::response res;
    req.visible = true;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/set_log_hash_rate", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_set_log_hash_rate(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
      }
    }
  
    tools::success_msg_writer() << "Hash rate logging is on";
  
    return true;
  }
  
  bool t_rpc_command_executor::hide_hash_rate() {
    cryptonote::COMMAND_RPC_SET_LOG_HASH_RATE::request req;
    cryptonote::COMMAND_RPC_SET_LOG_HASH_RATE::response res;
    req.visible = false;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/set_log_hash_rate", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_set_log_hash_rate(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << "Hash rate logging is off";
  
    return true;
  }
  
  bool t_rpc_command_executor::show_difficulty() {
    cryptonote::COMMAND_RPC_GET_INFO::request req;
    cryptonote::COMMAND_RPC_GET_INFO::response res;
  
    std::string fail_message = "Problem fetching info";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/getinfo", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_info(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() <<   "BH: " << res.height
                                << ", TH: " << res.top_block_hash
                                << ", DIFF: " << res.difficulty
                                << ", HR: " << res.difficulty / res.target << " H/s";
  
    return true;
  }
  
  static std::string get_mining_speed(uint64_t hr)
  {
    if (hr>1e9) return (boost::format("%.2f GH/s") % (hr/1e9)).str();
    if (hr>1e6) return (boost::format("%.2f MH/s") % (hr/1e6)).str();
    if (hr>1e3) return (boost::format("%.2f kH/s") % (hr/1e3)).str();
    return (boost::format("%.0f H/s") % hr).str();
  }
  
  static std::string get_fork_extra_info(uint64_t t, uint64_t now, uint64_t block_time)
  {
    uint64_t blocks_per_day = 86400 / block_time;
  
    if (t == now)
      return " (forking now)";
  
    if (t > now)
    {
      uint64_t dblocks = t - now;
      if (dblocks <= 30)
        return (boost::format(" (next fork in %u blocks)") % (unsigned)dblocks).str();
      if (dblocks <= blocks_per_day / 2)
        return (boost::format(" (next fork in %.1f hours)") % (dblocks / (float)(blocks_per_day / 24))).str();
      if (dblocks <= blocks_per_day * 30)
        return (boost::format(" (next fork in %.1f days)") % (dblocks / (float)blocks_per_day)).str();
      return "";
    }
    return "";
  }
  
  static float get_sync_percentage(const cryptonote::COMMAND_RPC_GET_INFO::response &ires)
  {
    uint64_t height = ires.height;
    uint64_t target_height = ires.target_height ? ires.target_height < ires.height ? ires.height : ires.target_height : ires.height;
    float pc = 100.0f * height / target_height;
    if (height < target_height && pc > 99.9f)
      return 99.9f; // to avoid 100% when not fully synced
    return pc;
  }
  
  bool t_rpc_command_executor::show_status() {
    cryptonote::COMMAND_RPC_GET_INFO::request ireq;
    cryptonote::COMMAND_RPC_GET_INFO::response ires;
    cryptonote::COMMAND_RPC_HARD_FORK_INFO::request hfreq;
    cryptonote::COMMAND_RPC_HARD_FORK_INFO::response hfres;
    cryptonote::COMMAND_RPC_MINING_STATUS::request mreq;
    cryptonote::COMMAND_RPC_MINING_STATUS::response mres;
    epee::json_rpc::error error_resp;
  
    std::string fail_message = "Problem fetching info";
  
    hfreq.version = 0;
    bool mining_busy = false;
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(ireq, ires, "/getinfo", fail_message.c_str()))
      {
        return true;
      }
      if (!m_rpc_client->json_rpc_request(hfreq, hfres, "hard_fork_info", fail_message.c_str()))
      {
        return true;
      }
      if (!m_rpc_client->rpc_request(mreq, mres, "/mining_status", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_info(ireq, ires) || ires.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
      if (!m_rpc_server->on_hard_fork_info(hfreq, hfres, error_resp) || hfres.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
      if (!m_rpc_server->on_mining_status(mreq, mres))
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
  
      if (mres.status == CORE_RPC_STATUS_BUSY)
      {
        mining_busy = true;
      }
      else if (mres.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << boost::format("Height: %llu/%llu (%.1f%%) on %s, %s, net hash %s, v%u%s, %s, %u+%u connections")
      % (unsigned long long)ires.height
      % (unsigned long long)(ires.target_height >= ires.height ? ires.target_height : ires.height)
      % get_sync_percentage(ires)
      % (ires.testnet ? "testnet" : "mainnet")
      % (mining_busy ? "syncing" : mres.active ? "mining at " + get_mining_speed(mres.speed) : "not mining")
      % get_mining_speed(ires.difficulty / ires.target)
      % (unsigned)hfres.version
      % get_fork_extra_info(hfres.earliest_height, ires.height, ires.target)
      % (hfres.state == cryptonote::HardFork::Ready ? "up to date" : hfres.state == cryptonote::HardFork::UpdateNeeded ? "update needed" : "out of date, likely forked")
      % (unsigned)ires.outgoing_connections_count % (unsigned)ires.incoming_connections_count
    ;
  
    return true;
  }
  
  bool t_rpc_command_executor::print_connections() {
    cryptonote::COMMAND_RPC_GET_CONNECTIONS::request req;
    cryptonote::COMMAND_RPC_GET_CONNECTIONS::response res;
    epee::json_rpc::error error_resp;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->json_rpc_request(req, res, "get_connections", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_connections(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::msg_writer() << std::setw(30) << std::left << "Remote Host"
        << std::setw(20) << "Peer id"
        << std::setw(20) << "Support Flags"      
        << std::setw(30) << "Recv/Sent (inactive,sec)"
        << std::setw(25) << "State"
        << std::setw(20) << "Livetime(sec)"
        << std::setw(12) << "Down (kB/s)"
        << std::setw(14) << "Down(now)"
        << std::setw(10) << "Up (kB/s)" 
        << std::setw(13) << "Up(now)"
        << std::endl;
  
    for (auto & info : res.connections)
    {
      std::string address = info.incoming ? "INC " : "OUT ";
      address += info.ip + ":" + info.port;
      //std::string in_out = info.incoming ? "INC " : "OUT ";
      tools::msg_writer() 
       //<< std::setw(30) << std::left << in_out
       << std::setw(30) << std::left << address
       << std::setw(20) << info.peer_id
       << std::setw(20) << info.support_flags
       << std::setw(30) << std::to_string(info.recv_count) + "("  + std::to_string(info.recv_idle_time) + ")/" + std::to_string(info.send_count) + "(" + std::to_string(info.send_idle_time) + ")"
       << std::setw(25) << info.state
       << std::setw(20) << info.live_time
       << std::setw(12) << info.avg_download
       << std::setw(14) << info.current_download
       << std::setw(10) << info.avg_upload
       << std::setw(13) << info.current_upload
       
       << std::left << (info.localhost ? "[LOCALHOST]" : "")
       << std::left << (info.local_ip ? "[LAN]" : "");
      //tools::msg_writer() << boost::format("%-25s peer_id: %-25s %s") % address % info.peer_id % in_out;
      
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::print_blockchain_info(uint64_t start_block_index, uint64_t end_block_index) {
    cryptonote::COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::request req;
    cryptonote::COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::response res;
    epee::json_rpc::error error_resp;
  
    req.start_height = start_block_index;
    req.end_height = end_block_index;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->json_rpc_request(req, res, "getblockheadersrange", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_block_headers_range(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    bool first = true;
    for (auto & header : res.headers)
    {
      if (!first)
        std::cout << std::endl;
      std::cout
        << "major version: " << (unsigned)header.major_version << ", minor version: " << (unsigned)header.minor_version << std::endl
        << "height: " << header.height << ", timestamp: " << header.timestamp << ", difficulty: " << header.difficulty << std::endl
        << "block id: " << header.hash << ", previous block id: " << header.prev_hash << std::endl
        << "difficulty: " << header.difficulty << ", nonce " << header.nonce << ", reward " << cryptonote::print_money(header.reward) << std::endl;
      first = false;
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::set_log_level(int8_t level) {
    cryptonote::COMMAND_RPC_SET_LOG_LEVEL::request req;
    cryptonote::COMMAND_RPC_SET_LOG_LEVEL::response res;
    req.level = level;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/set_log_level", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_set_log_level(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << "Log level is now " << std::to_string(level);
  
    return true;
  }
  
  bool t_rpc_command_executor::print_height() {
    cryptonote::COMMAND_RPC_GET_HEIGHT::request req;
    cryptonote::COMMAND_RPC_GET_HEIGHT::response res;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/getheight", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_height(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << boost::lexical_cast<std::string>(res.height);
  
    return true;
  }
  
  bool t_rpc_command_executor::print_block_by_hash(crypto::hash block_hash) {
    cryptonote::COMMAND_RPC_GET_BLOCK::request req;
    cryptonote::COMMAND_RPC_GET_BLOCK::response res;
    epee::json_rpc::error error_resp;
  
    req.hash = epee::string_tools::pod_to_hex(block_hash);
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->json_rpc_request(req, res, "getblock", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_block(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    print_block_header(res.block_header);
    tools::success_msg_writer() << res.json << ENDL;
  
    return true;
  }
  
  bool t_rpc_command_executor::print_block_by_height(uint64_t height) {
    cryptonote::COMMAND_RPC_GET_BLOCK::request req;
    cryptonote::COMMAND_RPC_GET_BLOCK::response res;
    epee::json_rpc::error error_resp;
  
    req.height = height;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->json_rpc_request(req, res, "getblock", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_block(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    print_block_header(res.block_header);
    tools::success_msg_writer() << res.json << ENDL;
  
    return true;
  }
  
  bool t_rpc_command_executor::print_transaction(crypto::hash transaction_hash) {
    cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request req;
    cryptonote::COMMAND_RPC_GET_TRANSACTIONS::response res;
  
    std::string fail_message = "Problem fetching transaction";
  
    req.txs_hashes.push_back(epee::string_tools::pod_to_hex(transaction_hash));
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/gettransactions", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_transactions(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    if (1 == res.txs.size() || 1 == res.txs_as_hex.size())
    {
      if (1 == res.txs.size())
      {
        // only available for new style answers
        if (res.txs.front().in_pool)
          tools::success_msg_writer() << "Found in pool";
        else
          tools::success_msg_writer() << "Found in blockchain at height " << res.txs.front().block_height;
      }
  
      // first as hex
      const std::string &as_hex = (1 == res.txs.size()) ? res.txs.front().as_hex : res.txs_as_hex.front();
      tools::success_msg_writer() << as_hex;
  
      // then as json
      crypto::hash tx_hash, tx_prefix_hash;
      cryptonote::transaction tx;
      cryptonote::blobdata blob;
      if (!string_tools::parse_hexstr_to_binbuff(as_hex, blob))
      {
        tools::fail_msg_writer() << "Failed to parse tx";
      }
      else if (!cryptonote::parse_and_validate_tx_from_blob(blob, tx, tx_hash, tx_prefix_hash))
      {
        tools::fail_msg_writer() << "Failed to parse tx blob";
      }
      else
      {
        tools::success_msg_writer() << cryptonote::obj_to_json_str(tx) << std::endl;
      }
    }
    else
    {
      tools::fail_msg_writer() << "transaction wasn't found: " << transaction_hash << std::endl;
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::is_key_image_spent(const crypto::key_image &ki) {
    cryptonote::COMMAND_RPC_IS_KEY_IMAGE_SPENT::request req;
    cryptonote::COMMAND_RPC_IS_KEY_IMAGE_SPENT::response res;
  
    std::string fail_message = "Problem checking key image";
  
    req.key_images.push_back(epee::string_tools::pod_to_hex(ki));
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/is_key_image_spent", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_is_key_image_spent(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    if (1 == res.spent_status.size())
    {
      // first as hex
      tools::success_msg_writer() << ki << ": " << (res.spent_status.front() ? "spent" : "unspent");
    }
    else
    {
      tools::fail_msg_writer() << "key image status could not be determined" << std::endl;
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::print_transaction_pool_long() {
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::request req;
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::response res;
  
    std::string fail_message = "Problem fetching transaction pool";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/get_transaction_pool", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_transaction_pool(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    if (res.transactions.empty() && res.spent_key_images.empty())
    {
      tools::msg_writer() << "Pool is empty" << std::endl;
    }
    if (! res.transactions.empty())
    {
      const time_t now = time(NULL);
      tools::msg_writer() << "Transactions: ";
      for (auto & tx_info : res.transactions)
      {
        tools::msg_writer() << "id: " << tx_info.id_hash << std::endl
                            << tx_info.tx_json << std::endl
                            << "blob_size: " << tx_info.blob_size << std::endl
                            << "fee: " << cryptonote::print_money(tx_info.fee) << std::endl
                            << "receive_time: " << tx_info.receive_time << " (" << get_human_time_ago(tx_info.receive_time, now) << ")" << std::endl
                            << "relayed: " << [&](const cryptonote::tx_info &tx_info)->std::string { if (!tx_info.relayed) return "no"; return boost::lexical_cast<std::string>(tx_info.last_relayed_time) + " (" + get_human_time_ago(tx_info.last_relayed_time, now) + ")"; } (tx_info) << std::endl
                            << "kept_by_block: " << (tx_info.kept_by_block ? 'T' : 'F') << std::endl
                            << "max_used_block_height: " << tx_info.max_used_block_height << std::endl
                            << "max_used_block_id: " << tx_info.max_used_block_id_hash << std::endl
                            << "last_failed_height: " << tx_info.last_failed_height << std::endl
                            << "last_failed_id: " << tx_info.last_failed_id_hash << std::endl;
      }
      if (res.spent_key_images.empty())
      {
        tools::msg_writer() << "WARNING: Inconsistent pool state - no spent key images";
      }
    }
    if (! res.spent_key_images.empty())
    {
      tools::msg_writer() << ""; // one newline
      tools::msg_writer() << "Spent key images: ";
      for (const cryptonote::spent_key_image_info& kinfo : res.spent_key_images)
      {
        tools::msg_writer() << "key image: " << kinfo.id_hash;
        if (kinfo.txs_hashes.size() == 1)
        {
          tools::msg_writer() << "  tx: " << kinfo.txs_hashes[0];
        }
        else if (kinfo.txs_hashes.size() == 0)
        {
          tools::msg_writer() << "  WARNING: spent key image has no txs associated";
        }
        else
        {
          tools::msg_writer() << "  NOTE: key image for multiple txs: " << kinfo.txs_hashes.size();
          for (const std::string& tx_id : kinfo.txs_hashes)
          {
            tools::msg_writer() << "  tx: " << tx_id;
          }
        }
      }
      if (res.transactions.empty())
      {
        tools::msg_writer() << "WARNING: Inconsistent pool state - no transactions";
      }
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::print_transaction_pool_short() {
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::request req;
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::response res;
  
    std::string fail_message = "Problem fetching transaction pool";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/get_transaction_pool", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_transaction_pool(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    if (res.transactions.empty())
    {
      tools::msg_writer() << "Pool is empty" << std::endl;
    }
    else
    {
      const time_t now = time(NULL);
      for (auto & tx_info : res.transactions)
      {
        tools::msg_writer() << "id: " << tx_info.id_hash << std::endl
                            << "blob_size: " << tx_info.blob_size << std::endl
                            << "fee: " << cryptonote::print_money(tx_info.fee) << std::endl
                            << "receive_time: " << tx_info.receive_time << " (" << get_human_time_ago(tx_info.receive_time, now) << ")" << std::endl
                            << "relayed: " << [&](const cryptonote::tx_info &tx_info)->std::string { if (!tx_info.relayed) return "no"; return boost::lexical_cast<std::string>(tx_info.last_relayed_time) + " (" + get_human_time_ago(tx_info.last_relayed_time, now) + ")"; } (tx_info) << std::endl
                            << "kept_by_block: " << (tx_info.kept_by_block ? 'T' : 'F') << std::endl
                            << "max_used_block_height: " << tx_info.max_used_block_height << std::endl
                            << "max_used_block_id: " << tx_info.max_used_block_id_hash << std::endl
                            << "last_failed_height: " << tx_info.last_failed_height << std::endl
                            << "last_failed_id: " << tx_info.last_failed_id_hash << std::endl;
      }
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::print_transaction_pool_stats() {
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::request req;
    cryptonote::COMMAND_RPC_GET_TRANSACTION_POOL::response res;
  
    std::string fail_message = "Problem fetching transaction pool";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/get_transaction_pool", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_transaction_pool(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    size_t n_transactions = res.transactions.size();
    size_t bytes = 0, min_bytes = 0, max_bytes = 0;
    size_t n_not_relayed = 0;
    uint64_t fee = 0;
    uint64_t oldest = 0;
    size_t n_10m = 0;
    size_t n_failing = 0;
    const uint64_t now = time(NULL);
    for (const auto &tx_info: res.transactions)
    {
      bytes += tx_info.blob_size;
      if (min_bytes == 0 || tx_info.blob_size < min_bytes)
        min_bytes = tx_info.blob_size;
      if (tx_info.blob_size > max_bytes)
        max_bytes = tx_info.blob_size;
      if (!tx_info.relayed)
        n_not_relayed++;
      fee += tx_info.fee;
      if (oldest == 0 || tx_info.receive_time < oldest)
        oldest = tx_info.receive_time;
      if (tx_info.receive_time < now - 600)
        n_10m++;
      if (tx_info.last_failed_height)
        ++n_failing;
    }
    size_t avg_bytes = n_transactions ? bytes / n_transactions : 0;
  
    tools::msg_writer() << n_transactions << " tx(es), " << bytes << " bytes total (min " << min_bytes << ", max " << max_bytes << ", avg " << avg_bytes << ")" << std::endl
        << "fees " << cryptonote::print_money(fee) << " (avg " << cryptonote::print_money(n_transactions ? fee / n_transactions : 0) << " per tx)" << std::endl
        << n_not_relayed << " not relayed, " << n_failing << " failing, " << n_10m << " older than 10 minutes (oldest " << (oldest == 0 ? "-" : get_human_time_ago(oldest, now)) << ")" << std::endl;
  
    return true;
  }
  
  bool t_rpc_command_executor::start_mining(cryptonote::account_public_address address, uint64_t num_threads, bool testnet) {
    cryptonote::COMMAND_RPC_START_MINING::request req;
    cryptonote::COMMAND_RPC_START_MINING::response res;
    req.miner_address = cryptonote::get_account_address_as_str(testnet, false, address);
    req.threads_count = num_threads;
  
    std::string fail_message = "Mining did not start";
  
    if (m_is_rpc)
    {
      if (m_rpc_client->rpc_request(req, res, "/start_mining", fail_message.c_str()))
      {
        tools::success_msg_writer() << "Mining started";
      }
    }
    else
    {
      if (!m_rpc_server->on_start_mining(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::stop_mining() {
    cryptonote::COMMAND_RPC_STOP_MINING::request req;
    cryptonote::COMMAND_RPC_STOP_MINING::response res;
  
    std::string fail_message = "Mining did not stop";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->rpc_request(req, res, "/stop_mining", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_stop_mining(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << "Mining stopped";
    return true;
  }
  
  bool t_rpc_command_executor::stop_daemon()
  {
    cryptonote::COMMAND_RPC_STOP_DAEMON::request req;
    cryptonote::COMMAND_RPC_STOP_DAEMON::response res;
  
  //# ifdef WIN32
  //    // Stop via service API
  //    // TODO - this is only temporary!  Get rid of hard-coded constants!
  //    bool ok = windows::stop_service("BitMonero Daemon");
  //    ok = windows::uninstall_service("BitMonero Daemon");
  //    //bool ok = windows::stop_service(SERVICE_NAME);
  //    //ok = windows::uninstall_service(SERVICE_NAME);
  //    if (ok)
  //    {
  //      return true;
  //    }
  //# endif
  
    // Stop via RPC
    std::string fail_message = "Daemon did not stop";
  
    if (m_is_rpc)
    {
      if(!m_rpc_client->rpc_request(req, res, "/stop_daemon", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_stop_daemon(req, res) || res.status != CORE_RPC_STATUS_OK)
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::success_msg_writer() << "Stop signal sent";
  
    return true;
  }
  
  bool t_rpc_command_executor::print_status()
  {
    if (!m_is_rpc)
    {
      tools::success_msg_writer() << "print_status makes no sense in interactive mode";
      return true;
    }
  
    bool daemon_is_alive = m_rpc_client->check_connection();
  
    if(daemon_is_alive) {
      tools::success_msg_writer() << "sumokoind is running";
    }
    else {
      tools::fail_msg_writer() << "sumokoind is NOT running";
    }
  
    return true;
  }
  
  bool t_rpc_command_executor::get_limit()
  {
      int limit_down = epee::net_utils::connection_basic::get_rate_down_limit( );
      int limit_up = epee::net_utils::connection_basic::get_rate_up_limit( );
      std::cout << "limit-down is " << limit_down/1024 << " kB/s" << std::endl;
      std::cout << "limit-up is " << limit_up/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::set_limit(int limit)
  {
      epee::net_utils::connection_basic::set_rate_down_limit( limit );
      epee::net_utils::connection_basic::set_rate_up_limit( limit );
      std::cout << "Set limit-down to " << limit/1024 << " kB/s" << std::endl;
      std::cout << "Set limit-up to " << limit/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::get_limit_up()
  {
      int limit_up = epee::net_utils::connection_basic::get_rate_up_limit( );
      std::cout << "limit-up is " << limit_up/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::set_limit_up(int limit)
  {
      epee::net_utils::connection_basic::set_rate_up_limit( limit );
      std::cout << "Set limit-up to " << limit/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::get_limit_down()
  {
      int limit_down = epee::net_utils::connection_basic::get_rate_down_limit( );
      std::cout << "limit-down is " << limit_down/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::set_limit_down(int limit)
  {
      epee::net_utils::connection_basic::set_rate_down_limit( limit );
      std::cout << "Set limit-down to " << limit/1024 << " kB/s" << std::endl;
      return true;
  }
  
  bool t_rpc_command_executor::out_peers(uint64_t limit)
  {
  	cryptonote::COMMAND_RPC_OUT_PEERS::request req;
  	cryptonote::COMMAND_RPC_OUT_PEERS::response res;
  	
  	epee::json_rpc::error error_resp;
  
  	req.out_peers = limit;
  	
  	std::string fail_message = "Unsuccessful";
  
  	if (m_is_rpc)
  	{
  		if (!m_rpc_client->json_rpc_request(req, res, "out_peers", fail_message.c_str()))
  		{
  			return true;
  		}
  	}
  	else
  	{
  		if (!m_rpc_server->on_out_peers(req, res) || res.status != CORE_RPC_STATUS_OK)
  		{
  			tools::fail_msg_writer() << fail_message.c_str();
  			return true;
  		}
  	}
  
  	std::cout << "Max number of out peers set to " << limit << std::endl;
  
  	return true;
  }
  
  bool t_rpc_command_executor::start_save_graph()
  {
  	cryptonote::COMMAND_RPC_START_SAVE_GRAPH::request req;
  	cryptonote::COMMAND_RPC_START_SAVE_GRAPH::response res;
  	std::string fail_message = "Unsuccessful";
  	
  	if (m_is_rpc)
  	{
  		if (!m_rpc_client->rpc_request(req, res, "/start_save_graph", fail_message.c_str()))
  		{
  			return true;
  		}
  	}
  	
  	else
      {
  		if (!m_rpc_server->on_start_save_graph(req, res) || res.status != CORE_RPC_STATUS_OK)
  		{
  			tools::fail_msg_writer() << fail_message.c_str();
  			return true;
  		}
  	}
  	
  	return true;
  }
  
  bool t_rpc_command_executor::stop_save_graph()
  {
  	cryptonote::COMMAND_RPC_STOP_SAVE_GRAPH::request req;
  	cryptonote::COMMAND_RPC_STOP_SAVE_GRAPH::response res;
  	std::string fail_message = "Unsuccessful";
  	
  	if (m_is_rpc)
  	{
  		if (!m_rpc_client->rpc_request(req, res, "/stop_save_graph", fail_message.c_str()))
  		{
  			return true;
  		}
  	}
  	
  	else
      {
  		if (!m_rpc_server->on_stop_save_graph(req, res) || res.status != CORE_RPC_STATUS_OK)
  		{
  			tools::fail_msg_writer() << fail_message.c_str();
  			return true;
  		}
  	}
  	return true;
  }
  
  bool t_rpc_command_executor::hard_fork_info(uint8_t version)
  {
      cryptonote::COMMAND_RPC_HARD_FORK_INFO::request req;
      cryptonote::COMMAND_RPC_HARD_FORK_INFO::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      req.version = version;
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "hard_fork_info", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_hard_fork_info(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      version = version > 0 ? version : res.voting;
      tools::msg_writer() << "version " << (uint32_t)version << " " << (res.enabled ? "enabled" : "not enabled") <<
          ", " << res.votes << "/" << res.window << " votes, threshold " << res.threshold;
      tools::msg_writer() << "current version " << (uint32_t)res.version << ", voting for version " << (uint32_t)res.voting;
  
      return true;
  }
  
  bool t_rpc_command_executor::print_bans()
  {
      cryptonote::COMMAND_RPC_GETBANS::request req;
      cryptonote::COMMAND_RPC_GETBANS::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "get_bans", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_get_bans(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      for (auto i = res.bans.begin(); i != res.bans.end(); ++i)
      {
          tools::msg_writer() << epee::string_tools::get_ip_string_from_int32(i->ip) << " banned for " << i->seconds << " seconds";
      }
  
      return true;
  }
  
  
  bool t_rpc_command_executor::ban(const std::string &ip, time_t seconds)
  {
      cryptonote::COMMAND_RPC_SETBANS::request req;
      cryptonote::COMMAND_RPC_SETBANS::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      cryptonote::COMMAND_RPC_SETBANS::ban ban;
      if (!epee::string_tools::get_ip_int32_from_string(ban.ip, ip))
      {
          tools::fail_msg_writer() << "Invalid IP";
          return true;
      }
      ban.ban = true;
      ban.seconds = seconds;
      req.bans.push_back(ban);
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "set_bans", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_set_bans(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      return true;
  }
  
  bool t_rpc_command_executor::unban(const std::string &ip)
  {
      cryptonote::COMMAND_RPC_SETBANS::request req;
      cryptonote::COMMAND_RPC_SETBANS::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      cryptonote::COMMAND_RPC_SETBANS::ban ban;
      if (!epee::string_tools::get_ip_int32_from_string(ban.ip, ip))
      {
          tools::fail_msg_writer() << "Invalid IP";
          return true;
      }
      ban.ban = false;
      ban.seconds = 0;
      req.bans.push_back(ban);
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "set_bans", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_set_bans(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      return true;
  }
  
  bool t_rpc_command_executor::flush_txpool(const std::string &txid)
  {
      cryptonote::COMMAND_RPC_FLUSH_TRANSACTION_POOL::request req;
      cryptonote::COMMAND_RPC_FLUSH_TRANSACTION_POOL::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      if (!txid.empty())
        req.txids.push_back(txid);
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "flush_txpool", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_flush_txpool(req, res, error_resp))
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      return true;
  }
  
  bool t_rpc_command_executor::output_histogram(uint64_t min_count, uint64_t max_count)
  {
      cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request req;
      cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::response res;
      std::string fail_message = "Unsuccessful";
      epee::json_rpc::error error_resp;
  
      req.min_count = min_count;
      req.max_count = max_count;
      req.unlocked = false;
      req.recent_cutoff = 0;
  
      if (m_is_rpc)
      {
          if (!m_rpc_client->json_rpc_request(req, res, "get_output_histogram", fail_message.c_str()))
          {
              return true;
          }
      }
      else
      {
          if (!m_rpc_server->on_get_output_histogram(req, res, error_resp))
          {
              tools::fail_msg_writer() << fail_message.c_str();
              return true;
          }
      }
  
      std::sort(res.histogram.begin(), res.histogram.end(),
          [](const cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry &e1, const cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry &e2)->bool { return e1.total_instances < e2.total_instances; });
      for (const auto &e: res.histogram)
      {
          tools::msg_writer() << e.total_instances << "  " << cryptonote::print_money(e.amount);
      }
  
      return true;
  }
  
  bool t_rpc_command_executor::print_coinbase_tx_sum(uint64_t height, uint64_t count)
  {
    cryptonote::COMMAND_RPC_GET_COINBASE_TX_SUM::request req;
    cryptonote::COMMAND_RPC_GET_COINBASE_TX_SUM::response res;
    epee::json_rpc::error error_resp;
  
    req.height = height;
    req.count = count;
  
    std::string fail_message = "Unsuccessful";
  
    if (m_is_rpc)
    {
      if (!m_rpc_client->json_rpc_request(req, res, "get_coinbase_tx_sum", fail_message.c_str()))
      {
        return true;
      }
    }
    else
    {
      if (!m_rpc_server->on_get_coinbase_tx_sum(req, res, error_resp))
      {
        tools::fail_msg_writer() << fail_message.c_str();
        return true;
      }
    }
  
    tools::msg_writer() << "Sum of coinbase transactions between block heights ["
      << height << ", " << (height + count) << "] is "
      << cryptonote::print_money(res.emission_amount + res.fee_amount) << " "
      << "consisting of " << cryptonote::print_money(res.emission_amount) 
      << " in emissions, and " << cryptonote::print_money(res.fee_amount) << " in fees";
    return true;
  }
  
  
  }// namespace daemonize
  