text: // Copyright (c) 2014-2018, 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 "include_base_utils.h"
  #include "string_tools.h"
  using namespace epee;
  
  #include "core_rpc_server.h"
  #include "common/command_line.h"
  #include "common/updates.h"
  #include "common/download.h"
  #include "common/util.h"
  #include "common/perf_timer.h"
  #include "cryptonote_basic/cryptonote_format_utils.h"
  #include "cryptonote_basic/account.h"
  #include "cryptonote_basic/cryptonote_basic_impl.h"
  #include "misc_language.h"
  #include "net/parse.h"
  #include "storages/http_abstract_invoke.h"
  #include "crypto/hash.h"
  #include "rpc/rpc_args.h"
  #include "rpc/rpc_handler.h"
  #include "core_rpc_server_error_codes.h"
  #include "p2p/net_node.h"
  #include "version.h"
  
  #undef MONERO_DEFAULT_LOG_CATEGORY
  #define MONERO_DEFAULT_LOG_CATEGORY "daemon.rpc"
  
  #define MAX_RESTRICTED_FAKE_OUTS_COUNT 40
  #define MAX_RESTRICTED_GLOBAL_FAKE_OUTS_COUNT 5000
  
  namespace
  {
    void add_reason(std::string &reasons, const char *reason)
    {
      if (!reasons.empty())
        reasons += ", ";
      reasons += reason;
    }
  }
  
  namespace cryptonote
  {
  
    //-----------------------------------------------------------------------------------
    void core_rpc_server::init_options(boost::program_options::options_description& desc)
    {
      command_line::add_arg(desc, arg_rpc_bind_port);
      command_line::add_arg(desc, arg_rpc_restricted_bind_port);
      command_line::add_arg(desc, arg_restricted_rpc);
      command_line::add_arg(desc, arg_bootstrap_daemon_address);
      command_line::add_arg(desc, arg_bootstrap_daemon_login);
      cryptonote::rpc_args::init_options(desc);
    }
    //------------------------------------------------------------------------------------------------------------------------------
    core_rpc_server::core_rpc_server(
        core& cr
      , nodetool::node_server<cryptonote::t_cryptonote_protocol_handler<cryptonote::core> >& p2p
      )
      : m_core(cr)
      , m_p2p(p2p)
    {}
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::init(
        const boost::program_options::variables_map& vm
        , const bool restricted
        , const std::string& port
      )
    {
      m_restricted = restricted;
      m_net_server.set_threads_prefix("RPC");
  
      auto rpc_config = cryptonote::rpc_args::process(vm);
      if (!rpc_config)
        return false;
  
      m_bootstrap_daemon_address = command_line::get_arg(vm, arg_bootstrap_daemon_address);
      if (!m_bootstrap_daemon_address.empty())
      {
        const std::string &bootstrap_daemon_login = command_line::get_arg(vm, arg_bootstrap_daemon_login);
        const auto loc = bootstrap_daemon_login.find(':');
        if (!bootstrap_daemon_login.empty() && loc != std::string::npos)
        {
          epee::net_utils::http::login login;
          login.username = bootstrap_daemon_login.substr(0, loc);
          login.password = bootstrap_daemon_login.substr(loc + 1);
          m_http_client.set_server(m_bootstrap_daemon_address, login, false);
        }
        else
        {
          m_http_client.set_server(m_bootstrap_daemon_address, boost::none, false);
        }
        m_should_use_bootstrap_daemon = true;
      }
      else
      {
        m_should_use_bootstrap_daemon = false;
      }
      m_was_bootstrap_ever_used = false;
  
      boost::optional<epee::net_utils::http::login> http_login{};
  
      if (rpc_config->login)
        http_login.emplace(std::move(rpc_config->login->username), std::move(rpc_config->login->password).password());
  
      auto rng = [](size_t len, uint8_t *ptr){ return crypto::rand(len, ptr); };
      return epee::http_server_impl_base<core_rpc_server, connection_context>::init(
        rng, std::move(port), std::move(rpc_config->bind_ip), std::move(rpc_config->access_control_origins), std::move(http_login)
      );
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::check_core_ready()
    {
      if(!m_p2p.get_payload_object().is_synchronized())
      {
        return false;
      }
      return true;
    }
  #define CHECK_CORE_READY() do { if(!check_core_ready()){res.status =  CORE_RPC_STATUS_BUSY;return true;} } while(0)
  
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_height(const COMMAND_RPC_GET_HEIGHT::request& req, COMMAND_RPC_GET_HEIGHT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_height);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_HEIGHT>(invoke_http_mode::JON, "/getheight", req, res, r))
        return r;
  
      res.height = m_core.get_current_blockchain_height();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_info(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_info);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_INFO>(invoke_http_mode::JON, "/getinfo", req, res, r))
      {
        res.bootstrap_daemon_address = m_bootstrap_daemon_address;
        crypto::hash top_hash;
        m_core.get_blockchain_top(res.height_without_bootstrap, top_hash);
        ++res.height_without_bootstrap; // turn top block height into blockchain height
        res.was_bootstrap_ever_used = true;
        return r;
      }
  
      const bool restricted = m_restricted && ctx;
  
      crypto::hash top_hash;
      m_core.get_blockchain_top(res.height, top_hash);
      ++res.height; // turn top block height into blockchain height
      res.top_block_hash = string_tools::pod_to_hex(top_hash);
      res.target_height = m_core.get_target_blockchain_height();
      res.difficulty = m_core.get_blockchain_storage().get_difficulty_for_next_block();
      res.target = m_core.get_blockchain_storage().get_difficulty_target();
      res.tx_count = m_core.get_blockchain_storage().get_total_transactions() - res.height; //without coinbase
      res.tx_pool_size = m_core.get_pool_transactions_count();
      res.alt_blocks_count = restricted ? 0 : m_core.get_blockchain_storage().get_alternative_blocks_count();
      uint64_t total_conn = restricted ? 0 : m_p2p.get_public_connections_count();
      res.outgoing_connections_count = restricted ? 0 : m_p2p.get_public_outgoing_connections_count();
      res.incoming_connections_count = restricted ? 0 : (total_conn - res.outgoing_connections_count);
      res.rpc_connections_count = restricted ? 0 : get_connections_count();
      res.white_peerlist_size = restricted ? 0 : m_p2p.get_public_white_peers_count();
      res.grey_peerlist_size = restricted ? 0 : m_p2p.get_public_gray_peers_count();
  
      cryptonote::network_type net_type = nettype();
      res.mainnet = net_type == MAINNET;
      res.testnet = net_type == TESTNET;
      res.stagenet = net_type == STAGENET;
      res.nettype = net_type == MAINNET ? "mainnet" : net_type == TESTNET ? "testnet" : net_type == STAGENET ? "stagenet" : "fakechain";
      res.cumulative_difficulty = m_core.get_blockchain_storage().get_db().get_block_cumulative_difficulty(res.height - 1);
      res.block_size_limit = res.block_weight_limit = m_core.get_blockchain_storage().get_current_cumulative_block_weight_limit();
      res.block_size_median = res.block_weight_median = m_core.get_blockchain_storage().get_current_cumulative_block_weight_median();
      res.status = CORE_RPC_STATUS_OK;
      res.start_time = restricted ? 0 : (uint64_t)m_core.get_start_time();
      res.free_space = restricted ? std::numeric_limits<uint64_t>::max() : m_core.get_free_space();
      res.offline = m_core.offline();
      res.bootstrap_daemon_address = restricted ? "" : m_bootstrap_daemon_address;
      res.height_without_bootstrap = restricted ? 0 : res.height;
      if (restricted)
        res.was_bootstrap_ever_used = false;
      else
      {
        boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
        res.was_bootstrap_ever_used = m_was_bootstrap_ever_used;
      }
      res.database_size = restricted ? 0 : m_core.get_blockchain_storage().get_db().get_database_size();
      res.update_available = restricted ? false : m_core.is_update_available();
      res.version = restricted ? "" : MONERO_VERSION;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    class pruned_transaction {
      transaction& tx;
    public:
      pruned_transaction(transaction& tx) : tx(tx) {}
      BEGIN_SERIALIZE_OBJECT()
        bool r = tx.serialize_base(ar);
        if (!r) return false;
      END_SERIALIZE()
    };
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_blocks(const COMMAND_RPC_GET_BLOCKS_FAST::request& req, COMMAND_RPC_GET_BLOCKS_FAST::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_blocks);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCKS_FAST>(invoke_http_mode::BIN, "/getblocks.bin", req, res, r))
        return r;
  
      std::vector<std::pair<std::pair<cryptonote::blobdata, crypto::hash>, std::vector<std::pair<crypto::hash, cryptonote::blobdata> > > > bs;
  
      if(!m_core.find_blockchain_supplement(req.start_height, req.block_ids, bs, res.current_height, res.start_height, req.prune, !req.no_miner_tx, COMMAND_RPC_GET_BLOCKS_FAST_MAX_COUNT))
      {
        res.status = "Failed";
        return false;
      }
  
      size_t pruned_size = 0, unpruned_size = 0, ntxes = 0;
      res.blocks.reserve(bs.size());
      res.output_indices.reserve(bs.size());
      for(auto& bd: bs)
      {
        res.blocks.resize(res.blocks.size()+1);
        res.blocks.back().block = bd.first.first;
        pruned_size += bd.first.first.size();
        unpruned_size += bd.first.first.size();
        res.output_indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::block_output_indices());
        ntxes += bd.second.size();
        res.output_indices.back().indices.reserve(1 + bd.second.size());
        if (req.no_miner_tx)
          res.output_indices.back().indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::tx_output_indices());
        res.blocks.back().txs.reserve(bd.second.size());
        for (std::vector<std::pair<crypto::hash, cryptonote::blobdata>>::iterator i = bd.second.begin(); i != bd.second.end(); ++i)
        {
          unpruned_size += i->second.size();
          res.blocks.back().txs.push_back(std::move(i->second));
          i->second.clear();
          i->second.shrink_to_fit();
          pruned_size += res.blocks.back().txs.back().size();
        }
  
        const size_t n_txes_to_lookup = bd.second.size() + (req.no_miner_tx ? 0 : 1);
        if (n_txes_to_lookup > 0)
        {
          std::vector<std::vector<uint64_t>> indices;
          bool r = m_core.get_tx_outputs_gindexs(req.no_miner_tx ? bd.second.front().first : bd.first.second, n_txes_to_lookup, indices);
          if (!r)
          {
            res.status = "Failed";
            return false;
          }
          if (indices.size() != n_txes_to_lookup || res.output_indices.back().indices.size() != (req.no_miner_tx ? 1 : 0))
          {
            res.status = "Failed";
            return false;
          }
          for (size_t i = 0; i < indices.size(); ++i)
            res.output_indices.back().indices.push_back({std::move(indices[i])});
        }
      }
  
      MDEBUG("on_get_blocks: " << bs.size() << " blocks, " << ntxes << " txes, pruned size " << pruned_size << ", unpruned size " << unpruned_size);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
      bool core_rpc_server::on_get_alt_blocks_hashes(const COMMAND_RPC_GET_ALT_BLOCKS_HASHES::request& req, COMMAND_RPC_GET_ALT_BLOCKS_HASHES::response& res, const connection_context *ctx)
      {
        PERF_TIMER(on_get_alt_blocks_hashes);
        bool r;
        if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_ALT_BLOCKS_HASHES>(invoke_http_mode::JON, "/get_alt_blocks_hashes", req, res, r))
          return r;
  
        std::vector<block> blks;
  
        if(!m_core.get_alternative_blocks(blks))
        {
            res.status = "Failed";
            return false;
        }
  
        res.blks_hashes.reserve(blks.size());
  
        for (auto const& blk: blks)
        {
            res.blks_hashes.push_back(epee::string_tools::pod_to_hex(get_block_hash(blk)));
        }
  
        MDEBUG("on_get_alt_blocks_hashes: " << blks.size() << " blocks " );
        res.status = CORE_RPC_STATUS_OK;
        return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_blocks_by_height(const COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_blocks_by_height);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCKS_BY_HEIGHT>(invoke_http_mode::BIN, "/getblocks_by_height.bin", req, res, r))
        return r;
  
      res.status = "Failed";
      res.blocks.clear();
      res.blocks.reserve(req.heights.size());
      for (uint64_t height : req.heights)
      {
        block blk;
        try
        {
          blk = m_core.get_blockchain_storage().get_db().get_block_from_height(height);
        }
        catch (...)
        {
          res.status = "Error retrieving block at height " + std::to_string(height);
          return true;
        }
        std::vector<transaction> txs;
        std::vector<crypto::hash> missed_txs;
        m_core.get_transactions(blk.tx_hashes, txs, missed_txs);
        res.blocks.resize(res.blocks.size() + 1);
        res.blocks.back().block = block_to_blob(blk);
        for (auto& tx : txs)
          res.blocks.back().txs.push_back(tx_to_blob(tx));
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_hashes(const COMMAND_RPC_GET_HASHES_FAST::request& req, COMMAND_RPC_GET_HASHES_FAST::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_hashes);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_HASHES_FAST>(invoke_http_mode::BIN, "/gethashes.bin", req, res, r))
        return r;
  
      NOTIFY_RESPONSE_CHAIN_ENTRY::request resp;
  
      resp.start_height = req.start_height;
      if(!m_core.find_blockchain_supplement(req.block_ids, resp))
      {
        res.status = "Failed";
        return false;
      }
      res.current_height = resp.total_height;
      res.start_height = resp.start_height;
      res.m_block_ids = std::move(resp.m_block_ids);
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_outs_bin(const COMMAND_RPC_GET_OUTPUTS_BIN::request& req, COMMAND_RPC_GET_OUTPUTS_BIN::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_outs_bin);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_OUTPUTS_BIN>(invoke_http_mode::BIN, "/get_outs.bin", req, res, r))
        return r;
  
      res.status = "Failed";
  
      const bool restricted = m_restricted && ctx;
      if (restricted)
      {
        if (req.outputs.size() > MAX_RESTRICTED_GLOBAL_FAKE_OUTS_COUNT)
        {
          res.status = "Too many outs requested";
          return true;
        }
      }
  
      if(!m_core.get_outs(req, res))
      {
        return true;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_outs);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_OUTPUTS>(invoke_http_mode::JON, "/get_outs", req, res, r))
        return r;
  
      res.status = "Failed";
  
      const bool restricted = m_restricted && ctx;
      if (restricted)
      {
        if (req.outputs.size() > MAX_RESTRICTED_GLOBAL_FAKE_OUTS_COUNT)
        {
          res.status = "Too many outs requested";
          return true;
        }
      }
  
      cryptonote::COMMAND_RPC_GET_OUTPUTS_BIN::request req_bin;
      req_bin.outputs = req.outputs;
      cryptonote::COMMAND_RPC_GET_OUTPUTS_BIN::response res_bin;
      if(!m_core.get_outs(req_bin, res_bin))
      {
        return true;
      }
  
      // convert to text
      for (const auto &i: res_bin.outs)
      {
        res.outs.push_back(cryptonote::COMMAND_RPC_GET_OUTPUTS::outkey());
        cryptonote::COMMAND_RPC_GET_OUTPUTS::outkey &outkey = res.outs.back();
        outkey.key = epee::string_tools::pod_to_hex(i.key);
        outkey.mask = epee::string_tools::pod_to_hex(i.mask);
        outkey.unlocked = i.unlocked;
        outkey.height = i.height;
        outkey.txid = epee::string_tools::pod_to_hex(i.txid);
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_indexes(const COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request& req, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_indexes);
      bool ok;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES>(invoke_http_mode::BIN, "/get_o_indexes.bin", req, res, ok))
        return ok;
  
      bool r = m_core.get_tx_outputs_gindexs(req.txid, res.o_indexes);
      if(!r)
      {
        res.status = "Failed";
        return true;
      }
      res.status = CORE_RPC_STATUS_OK;
      LOG_PRINT_L2("COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES: [" << res.o_indexes.size() << "]");
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_transactions(const COMMAND_RPC_GET_TRANSACTIONS::request& req, COMMAND_RPC_GET_TRANSACTIONS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_transactions);
      bool ok;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTIONS>(invoke_http_mode::JON, "/gettransactions", req, res, ok))
        return ok;
  
      std::vector<crypto::hash> vh;
      for(const auto& tx_hex_str: req.txs_hashes)
      {
        blobdata b;
        if(!string_tools::parse_hexstr_to_binbuff(tx_hex_str, b))
        {
          res.status = "Failed to parse hex representation of transaction hash";
          return true;
        }
        if(b.size() != sizeof(crypto::hash))
        {
          res.status = "Failed, size of data mismatch";
          return true;
        }
        vh.push_back(*reinterpret_cast<const crypto::hash*>(b.data()));
      }
      std::vector<crypto::hash> missed_txs;
      std::vector<std::tuple<crypto::hash, cryptonote::blobdata, crypto::hash, cryptonote::blobdata>> txs;
      bool r = m_core.get_split_transactions_blobs(vh, txs, missed_txs);
      if(!r)
      {
        res.status = "Failed";
        return true;
      }
      LOG_PRINT_L2("Found " << txs.size() << "/" << vh.size() << " transactions on the blockchain");
  
      // try the pool for any missing txes
      size_t found_in_pool = 0;
      std::unordered_set<crypto::hash> pool_tx_hashes;
      std::unordered_map<crypto::hash, bool> double_spend_seen;
      if (!missed_txs.empty())
      {
        std::vector<tx_info> pool_tx_info;
        std::vector<spent_key_image_info> pool_key_image_info;
        bool r = m_core.get_pool_transactions_and_spent_keys_info(pool_tx_info, pool_key_image_info);
        if(r)
        {
          // sort to match original request
          std::vector<std::tuple<crypto::hash, cryptonote::blobdata, crypto::hash, cryptonote::blobdata>> sorted_txs;
          std::vector<tx_info>::const_iterator i;
          unsigned txs_processed = 0;
          for (const crypto::hash &h: vh)
          {
            if (std::find(missed_txs.begin(), missed_txs.end(), h) == missed_txs.end())
            {
              if (txs.size() == txs_processed)
              {
                res.status = "Failed: internal error - txs is empty";
                return true;
              }
              // core returns the ones it finds in the right order
              if (std::get<0>(txs[txs_processed]) != h)
              {
                res.status = "Failed: tx hash mismatch";
                return true;
              }
              sorted_txs.push_back(std::move(txs[txs_processed]));
              ++txs_processed;
            }
            else if ((i = std::find_if(pool_tx_info.begin(), pool_tx_info.end(), [h](const tx_info &txi) { return epee::string_tools::pod_to_hex(h) == txi.id_hash; })) != pool_tx_info.end())
            {
              cryptonote::transaction tx;
              if (!cryptonote::parse_and_validate_tx_from_blob(i->tx_blob, tx))
              {
                res.status = "Failed to parse and validate tx from blob";
                return true;
              }
              std::stringstream ss;
              binary_archive<true> ba(ss);
              bool r = const_cast<cryptonote::transaction&>(tx).serialize_base(ba);
              if (!r)
              {
                res.status = "Failed to serialize transaction base";
                return true;
              }
              const cryptonote::blobdata pruned = ss.str();
              sorted_txs.push_back(std::make_tuple(h, pruned, get_transaction_prunable_hash(tx), std::string(i->tx_blob, pruned.size())));
              missed_txs.erase(std::find(missed_txs.begin(), missed_txs.end(), h));
              pool_tx_hashes.insert(h);
              const std::string hash_string = epee::string_tools::pod_to_hex(h);
              for (const auto &ti: pool_tx_info)
              {
                if (ti.id_hash == hash_string)
                {
                  double_spend_seen.insert(std::make_pair(h, ti.double_spend_seen));
                  break;
                }
              }
              ++found_in_pool;
            }
          }
          txs = sorted_txs;
        }
        LOG_PRINT_L2("Found " << found_in_pool << "/" << vh.size() << " transactions in the pool");
      }
  
      std::vector<std::string>::const_iterator txhi = req.txs_hashes.begin();
      std::vector<crypto::hash>::const_iterator vhi = vh.begin();
      for(auto& tx: txs)
      {
        res.txs.push_back(COMMAND_RPC_GET_TRANSACTIONS::entry());
        COMMAND_RPC_GET_TRANSACTIONS::entry &e = res.txs.back();
  
        crypto::hash tx_hash = *vhi++;
        e.tx_hash = *txhi++;
        e.prunable_hash = epee::string_tools::pod_to_hex(std::get<2>(tx));
        if (req.split || req.prune || std::get<3>(tx).empty())
        {
          e.pruned_as_hex = string_tools::buff_to_hex_nodelimer(std::get<1>(tx));
          if (!req.prune)
            e.prunable_as_hex = string_tools::buff_to_hex_nodelimer(std::get<3>(tx));
        }
        else
        {
          cryptonote::blobdata tx_data;
          if (req.prune)
            tx_data = std::get<1>(tx);
          else
            tx_data = std::get<1>(tx) + std::get<3>(tx);
          e.as_hex = string_tools::buff_to_hex_nodelimer(tx_data);
          if (req.decode_as_json && !tx_data.empty())
          {
            cryptonote::transaction t;
            if (cryptonote::parse_and_validate_tx_from_blob(tx_data, t))
            {
              if (req.prune)
              {
                pruned_transaction pruned_tx{t};
                e.as_json = obj_to_json_str(pruned_tx);
              }
              else
                e.as_json = obj_to_json_str(t);
            }
          }
        }
        e.in_pool = pool_tx_hashes.find(tx_hash) != pool_tx_hashes.end();
        if (e.in_pool)
        {
          e.block_height = e.block_timestamp = std::numeric_limits<uint64_t>::max();
          if (double_spend_seen.find(tx_hash) != double_spend_seen.end())
          {
            e.double_spend_seen = double_spend_seen[tx_hash];
          }
          else
          {
            MERROR("Failed to determine double spend status for " << tx_hash);
            e.double_spend_seen = false;
          }
        }
        else
        {
          e.block_height = m_core.get_blockchain_storage().get_db().get_tx_block_height(tx_hash);
          e.block_timestamp = m_core.get_blockchain_storage().get_db().get_block_timestamp(e.block_height);
          e.double_spend_seen = false;
        }
  
        // fill up old style responses too, in case an old wallet asks
        res.txs_as_hex.push_back(e.as_hex);
        if (req.decode_as_json)
          res.txs_as_json.push_back(e.as_json);
  
        // output indices too if not in pool
        if (pool_tx_hashes.find(tx_hash) == pool_tx_hashes.end())
        {
          bool r = m_core.get_tx_outputs_gindexs(tx_hash, e.output_indices);
          if (!r)
          {
            res.status = "Failed";
            return false;
          }
        }
      }
  
      for(const auto& miss_tx: missed_txs)
      {
        res.missed_tx.push_back(string_tools::pod_to_hex(miss_tx));
      }
  
      LOG_PRINT_L2(res.txs.size() << " transactions found, " << res.missed_tx.size() << " not found");
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_is_key_image_spent(const COMMAND_RPC_IS_KEY_IMAGE_SPENT::request& req, COMMAND_RPC_IS_KEY_IMAGE_SPENT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_is_key_image_spent);
      bool ok;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_IS_KEY_IMAGE_SPENT>(invoke_http_mode::JON, "/is_key_image_spent", req, res, ok))
        return ok;
  
      const bool restricted = m_restricted && ctx;
      const bool request_has_rpc_origin = ctx != NULL;
      std::vector<crypto::key_image> key_images;
      for(const auto& ki_hex_str: req.key_images)
      {
        blobdata b;
        if(!string_tools::parse_hexstr_to_binbuff(ki_hex_str, b))
        {
          res.status = "Failed to parse hex representation of key image";
          return true;
        }
        if(b.size() != sizeof(crypto::key_image))
        {
          res.status = "Failed, size of data mismatch";
        }
        key_images.push_back(*reinterpret_cast<const crypto::key_image*>(b.data()));
      }
      std::vector<bool> spent_status;
      bool r = m_core.are_key_images_spent(key_images, spent_status);
      if(!r)
      {
        res.status = "Failed";
        return true;
      }
      res.spent_status.clear();
      for (size_t n = 0; n < spent_status.size(); ++n)
        res.spent_status.push_back(spent_status[n] ? COMMAND_RPC_IS_KEY_IMAGE_SPENT::SPENT_IN_BLOCKCHAIN : COMMAND_RPC_IS_KEY_IMAGE_SPENT::UNSPENT);
  
      // check the pool too
      std::vector<cryptonote::tx_info> txs;
      std::vector<cryptonote::spent_key_image_info> ki;
      r = m_core.get_pool_transactions_and_spent_keys_info(txs, ki, !request_has_rpc_origin || !restricted);
      if(!r)
      {
        res.status = "Failed";
        return true;
      }
      for (std::vector<cryptonote::spent_key_image_info>::const_iterator i = ki.begin(); i != ki.end(); ++i)
      {
        crypto::hash hash;
        crypto::key_image spent_key_image;
        if (parse_hash256(i->id_hash, hash))
        {
          memcpy(&spent_key_image, &hash, sizeof(hash)); // a bit dodgy, should be other parse functions somewhere
          for (size_t n = 0; n < res.spent_status.size(); ++n)
          {
            if (res.spent_status[n] == COMMAND_RPC_IS_KEY_IMAGE_SPENT::UNSPENT)
            {
              if (key_images[n] == spent_key_image)
              {
                res.spent_status[n] = COMMAND_RPC_IS_KEY_IMAGE_SPENT::SPENT_IN_POOL;
                break;
              }
            }
          }
        }
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_send_raw_tx(const COMMAND_RPC_SEND_RAW_TX::request& req, COMMAND_RPC_SEND_RAW_TX::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_send_raw_tx);
      bool ok;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_SEND_RAW_TX>(invoke_http_mode::JON, "/sendrawtransaction", req, res, ok))
        return ok;
  
      CHECK_CORE_READY();
  
      std::string tx_blob;
      if(!string_tools::parse_hexstr_to_binbuff(req.tx_as_hex, tx_blob))
      {
        LOG_PRINT_L0("[on_send_raw_tx]: Failed to parse tx from hexbuff: " << req.tx_as_hex);
        res.status = "Failed";
        return true;
      }
  
      cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
      tx_verification_context tvc = AUTO_VAL_INIT(tvc);
      if(!m_core.handle_incoming_tx(tx_blob, tvc, false, false, req.do_not_relay) || tvc.m_verifivation_failed)
      {
        res.status = "Failed";
        std::string reason = "";
        if ((res.low_mixin = tvc.m_low_mixin))
          add_reason(reason, "bad ring size");
        if ((res.double_spend = tvc.m_double_spend))
          add_reason(reason, "double spend");
        if ((res.invalid_input = tvc.m_invalid_input))
          add_reason(reason, "invalid input");
        if ((res.invalid_output = tvc.m_invalid_output))
          add_reason(reason, "invalid output");
        if ((res.too_big = tvc.m_too_big))
          add_reason(reason, "too big");
        if ((res.overspend = tvc.m_overspend))
          add_reason(reason, "overspend");
        if ((res.fee_too_low = tvc.m_fee_too_low))
          add_reason(reason, "fee too low");
        if ((res.not_rct = tvc.m_not_rct))
          add_reason(reason, "tx is not ringct");
        const std::string punctuation = reason.empty() ? "" : ": ";
        if (tvc.m_verifivation_failed)
        {
          LOG_PRINT_L0("[on_send_raw_tx]: tx verification failed" << punctuation << reason);
        }
        else
        {
          LOG_PRINT_L0("[on_send_raw_tx]: Failed to process tx" << punctuation << reason);
        }
        return true;
      }
  
      if(!tvc.m_should_be_relayed)
      {
        LOG_PRINT_L0("[on_send_raw_tx]: tx accepted, but not relayed");
        res.reason = "Not relayed";
        res.not_relayed = true;
        res.status = CORE_RPC_STATUS_OK;
        return true;
      }
  
      NOTIFY_NEW_TRANSACTIONS::request r;
      r.txs.push_back(tx_blob);
      m_core.get_protocol()->relay_transactions(r, fake_context);
      //TODO: make sure that tx has reached other nodes here, probably wait to receive reflections from other nodes
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_start_mining(const COMMAND_RPC_START_MINING::request& req, COMMAND_RPC_START_MINING::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_start_mining);
      CHECK_CORE_READY();
      cryptonote::address_parse_info info;
      if(!get_account_address_from_str(info, nettype(), req.miner_address))
      {
        res.status = "Failed, wrong address";
        LOG_PRINT_L0(res.status);
        return true;
      }
      if (info.is_subaddress)
      {
        res.status = "Mining to subaddress isn't supported yet";
        LOG_PRINT_L0(res.status);
        return true;
      }
  
      unsigned int concurrency_count = boost::thread::hardware_concurrency() * 4;
  
      // if we couldn't detect threads, set it to a ridiculously high number
      if(concurrency_count == 0)
      {
        concurrency_count = 257;
      }
  
      // if there are more threads requested than the hardware supports
      // then we fail and log that.
      if(req.threads_count > concurrency_count)
      {
        res.status = "Failed, too many threads relative to CPU cores.";
        LOG_PRINT_L0(res.status);
        return true;
      }
  
      boost::thread::attributes attrs;
      attrs.set_stack_size(THREAD_STACK_SIZE);
  
      cryptonote::miner &miner= m_core.get_miner();
      if (miner.is_mining())
      {
        res.status = "Already mining";
        return true;
      }
      if(!miner.start(info.address, static_cast<size_t>(req.threads_count), attrs, req.do_background_mining, req.ignore_battery))
      {
        res.status = "Failed, mining not started";
        LOG_PRINT_L0(res.status);
        return true;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_stop_mining(const COMMAND_RPC_STOP_MINING::request& req, COMMAND_RPC_STOP_MINING::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_stop_mining);
      cryptonote::miner &miner= m_core.get_miner();
      if(!miner.is_mining())
      {
        res.status = "Mining never started";
        LOG_PRINT_L0(res.status);
        return true;
      }
      if(!miner.stop())
      {
        res.status = "Failed, mining not stopped";
        LOG_PRINT_L0(res.status);
        return true;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_mining_status(const COMMAND_RPC_MINING_STATUS::request& req, COMMAND_RPC_MINING_STATUS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_mining_status);
  
      const miner& lMiner = m_core.get_miner();
      res.active = lMiner.is_mining();
      res.is_background_mining_enabled = lMiner.get_is_background_mining_enabled();
      
      if ( lMiner.is_mining() ) {
        res.speed = lMiner.get_speed();
        res.threads_count = lMiner.get_threads_count();
        const account_public_address& lMiningAdr = lMiner.get_mining_address();
        res.address = get_account_address_as_str(nettype(), false, lMiningAdr);
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_save_bc(const COMMAND_RPC_SAVE_BC::request& req, COMMAND_RPC_SAVE_BC::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_save_bc);
      if( !m_core.get_blockchain_storage().store_blockchain() )
      {
        res.status = "Error while storing blockchain";
        return true;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_peer_list(const COMMAND_RPC_GET_PEER_LIST::request& req, COMMAND_RPC_GET_PEER_LIST::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_peer_list);
      std::vector<nodetool::peerlist_entry> white_list;
      std::vector<nodetool::peerlist_entry> gray_list;
      m_p2p.get_public_peerlist(gray_list, white_list);
  
      res.white_list.reserve(white_list.size());
      for (auto & entry : white_list)
      {
        if (entry.adr.get_type_id() == epee::net_utils::ipv4_network_address::get_type_id())
  #ifndef CRYPTONOTE_PRUNING_DISABLED
          res.white_list.emplace_back(entry.id, entry.adr.as<epee::net_utils::ipv4_network_address>().ip(),
              entry.adr.as<epee::net_utils::ipv4_network_address>().port(), entry.last_seen, entry.pruning_seed);
  #else
          res.white_list.emplace_back(entry.id, entry.adr.as<epee::net_utils::ipv4_network_address>().ip(),
              entry.adr.as<epee::net_utils::ipv4_network_address>().port(), entry.last_seen, 0);
  #endif 
        else
  #ifndef CRYPTONOTE_PRUNING_DISABLED
          res.white_list.emplace_back(entry.id, entry.adr.str(), entry.last_seen, entry.pruning_seed);
  #else
          res.white_list.emplace_back(entry.id, entry.adr.str(), entry.last_seen, 0);
  #endif
      }
  
      res.gray_list.reserve(gray_list.size());
      for (auto & entry : gray_list)
      {
        if (entry.adr.get_type_id() == epee::net_utils::ipv4_network_address::get_type_id())
  #ifndef CRYPTONOTE_PRUNING_DISABLED
          res.gray_list.emplace_back(entry.id, entry.adr.as<epee::net_utils::ipv4_network_address>().ip(),
              entry.adr.as<epee::net_utils::ipv4_network_address>().port(), entry.last_seen, entry.pruning_seed);
  #else
          res.gray_list.emplace_back(entry.id, entry.adr.as<epee::net_utils::ipv4_network_address>().ip(),
              entry.adr.as<epee::net_utils::ipv4_network_address>().port(), entry.last_seen, 0);
  #endif
        else
  #ifndef CRYPTONOTE_PRUNING_DISABLED
          res.gray_list.emplace_back(entry.id, entry.adr.str(), entry.last_seen, entry.pruning_seed);
  #else
          res.gray_list.emplace_back(entry.id, entry.adr.str(), entry.last_seen, 0);
  #endif 
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_set_log_hash_rate(const COMMAND_RPC_SET_LOG_HASH_RATE::request& req, COMMAND_RPC_SET_LOG_HASH_RATE::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_set_log_hash_rate);
      if(m_core.get_miner().is_mining())
      {
        m_core.get_miner().do_print_hashrate(req.visible);
        res.status = CORE_RPC_STATUS_OK;
      }
      else
      {
        res.status = CORE_RPC_STATUS_NOT_MINING;
      }
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_set_log_level(const COMMAND_RPC_SET_LOG_LEVEL::request& req, COMMAND_RPC_SET_LOG_LEVEL::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_set_log_level);
      if (req.level < 0 || req.level > 4)
      {
        res.status = "Error: log level not valid";
        return true;
      }
      mlog_set_log_level(req.level);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_set_log_categories(const COMMAND_RPC_SET_LOG_CATEGORIES::request& req, COMMAND_RPC_SET_LOG_CATEGORIES::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_set_log_categories);
      mlog_set_log(req.categories.c_str());
      res.categories = mlog_get_categories();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_transaction_pool(const COMMAND_RPC_GET_TRANSACTION_POOL::request& req, COMMAND_RPC_GET_TRANSACTION_POOL::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_transaction_pool);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTION_POOL>(invoke_http_mode::JON, "/get_transaction_pool", req, res, r))
        return r;
  
      const bool restricted = m_restricted && ctx;
      const bool request_has_rpc_origin = ctx != NULL;
      m_core.get_pool_transactions_and_spent_keys_info(res.transactions, res.spent_key_images, !request_has_rpc_origin || !restricted);
      for (tx_info& txi : res.transactions)
        txi.tx_blob = epee::string_tools::buff_to_hex_nodelimer(txi.tx_blob);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_transaction_pool_hashes_bin(const COMMAND_RPC_GET_TRANSACTION_POOL_HASHES_BIN::request& req, COMMAND_RPC_GET_TRANSACTION_POOL_HASHES_BIN::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_transaction_pool_hashes);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTION_POOL_HASHES_BIN>(invoke_http_mode::JON, "/get_transaction_pool_hashes.bin", req, res, r))
        return r;
  
      const bool restricted = m_restricted && ctx;
      const bool request_has_rpc_origin = ctx != NULL;
      m_core.get_pool_transaction_hashes(res.tx_hashes, !request_has_rpc_origin || !restricted);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_transaction_pool_hashes(const COMMAND_RPC_GET_TRANSACTION_POOL_HASHES::request& req, COMMAND_RPC_GET_TRANSACTION_POOL_HASHES::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_transaction_pool_hashes);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTION_POOL_HASHES>(invoke_http_mode::JON, "/get_transaction_pool_hashes", req, res, r))
        return r;
  
      const bool restricted = m_restricted && ctx;
      const bool request_has_rpc_origin = ctx != NULL;
      std::vector<crypto::hash> tx_hashes;
      m_core.get_pool_transaction_hashes(tx_hashes, !request_has_rpc_origin || !restricted);
      res.tx_hashes.reserve(tx_hashes.size());
      for (const crypto::hash &tx_hash: tx_hashes)
        res.tx_hashes.push_back(epee::string_tools::pod_to_hex(tx_hash));
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_transaction_pool_stats(const COMMAND_RPC_GET_TRANSACTION_POOL_STATS::request& req, COMMAND_RPC_GET_TRANSACTION_POOL_STATS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_transaction_pool_stats);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTION_POOL_STATS>(invoke_http_mode::JON, "/get_transaction_pool_stats", req, res, r))
        return r;
  
      const bool restricted = m_restricted && ctx;
      const bool request_has_rpc_origin = ctx != NULL;
      m_core.get_pool_transaction_stats(res.pool_stats, !request_has_rpc_origin || !restricted);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_stop_daemon(const COMMAND_RPC_STOP_DAEMON::request& req, COMMAND_RPC_STOP_DAEMON::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_stop_daemon);
      // FIXME: replace back to original m_p2p.send_stop_signal() after
      // investigating why that isn't working quite right.
      m_p2p.send_stop_signal();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_getblockcount(const COMMAND_RPC_GETBLOCKCOUNT::request& req, COMMAND_RPC_GETBLOCKCOUNT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_getblockcount);
      {
        boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
        if (m_should_use_bootstrap_daemon)
        {
          res.status = "This command is unsupported for bootstrap daemon";
          return false;
        }
      }
      res.count = m_core.get_current_blockchain_height();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_getblockhash(const COMMAND_RPC_GETBLOCKHASH::request& req, COMMAND_RPC_GETBLOCKHASH::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_getblockhash);
      {
        boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
        if (m_should_use_bootstrap_daemon)
        {
          res = "This command is unsupported for bootstrap daemon";
          return false;
        }
      }
      if(req.size() != 1)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
        error_resp.message = "Wrong parameters, expected height";
        return false;
      }
      uint64_t h = req[0];
      if(m_core.get_current_blockchain_height() <= h)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT;
        error_resp.message = std::string("Requested block height: ") + std::to_string(h) + " greater than current top block height: " +  std::to_string(m_core.get_current_blockchain_height() - 1);
      }
      res = string_tools::pod_to_hex(m_core.get_block_id_by_height(h));
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    // equivalent of strstr, but with arbitrary bytes (ie, NULs)
    // This does not differentiate between "not found" and "found at offset 0"
    size_t slow_memmem(const void* start_buff, size_t buflen,const void* pat,size_t patlen)
    {
      const void* buf = start_buff;
      const void* end=(const char*)buf+buflen;
      if (patlen > buflen || patlen == 0) return 0;
      while(buflen>0 && (buf=memchr(buf,((const char*)pat)[0],buflen-patlen+1)))
      {
        if(memcmp(buf,pat,patlen)==0)
          return (const char*)buf - (const char*)start_buff;
        buf=(const char*)buf+1;
        buflen = (const char*)end - (const char*)buf;
      }
      return 0;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_getblocktemplate(const COMMAND_RPC_GETBLOCKTEMPLATE::request& req, COMMAND_RPC_GETBLOCKTEMPLATE::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_getblocktemplate);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GETBLOCKTEMPLATE>(invoke_http_mode::JON_RPC, "getblocktemplate", req, res, r))
        return r;
  
      if(!check_core_ready())
      {
        error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY;
        error_resp.message = "Core is busy";
        return false;
      }
  
      if(req.reserve_size > 255)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_RESERVE_SIZE;
        error_resp.message = "Too big reserved size, maximum 255";
        return false;
      }
  
      cryptonote::address_parse_info info;
  
      if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(info, nettype(), req.wallet_address))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_WALLET_ADDRESS;
        error_resp.message = "Failed to parse wallet address";
        return false;
      }
      if (info.is_subaddress)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_MINING_TO_SUBADDRESS;
        error_resp.message = "Mining to subaddress is not supported yet";
        return false;
      }
  
      block b;
      cryptonote::blobdata blob_reserve;
      blob_reserve.resize(req.reserve_size, 0);
      if(!m_core.get_block_template(b, info.address, res.difficulty, res.height, res.expected_reward, blob_reserve))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: failed to create block template";
        LOG_ERROR("Failed to create block template");
        return false;
      }
      blobdata block_blob = t_serializable_object_to_blob(b);
      crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(b.miner_tx);
      if(tx_pub_key == crypto::null_pkey)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: failed to create block template";
        LOG_ERROR("Failed to get tx pub key in coinbase extra");
        return false;
      }
      res.reserved_offset = slow_memmem((void*)block_blob.data(), block_blob.size(), &tx_pub_key, sizeof(tx_pub_key));
      if(!res.reserved_offset)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: failed to create block template";
        LOG_ERROR("Failed to find tx pub key in blockblob");
        return false;
      }
      res.reserved_offset += sizeof(tx_pub_key) + 2; //2 bytes: tag for TX_EXTRA_NONCE(1 byte), counter in TX_EXTRA_NONCE(1 byte)
      if(res.reserved_offset + req.reserve_size > block_blob.size())
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: failed to create block template";
        LOG_ERROR("Failed to calculate offset for ");
        return false;
      }
      blobdata hashing_blob;
      get_block_hashing_blob(b, hashing_blob);
      res.prev_hash = string_tools::pod_to_hex(b.prev_id);
      res.blocktemplate_blob = string_tools::buff_to_hex_nodelimer(block_blob);
      res.blockhashing_blob =  string_tools::buff_to_hex_nodelimer(hashing_blob);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_submitblock(const COMMAND_RPC_SUBMITBLOCK::request& req, COMMAND_RPC_SUBMITBLOCK::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_submitblock);
      {
        boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
        if (m_should_use_bootstrap_daemon)
        {
          res.status = "This command is unsupported for bootstrap daemon";
          return false;
        }
      }
      CHECK_CORE_READY();
      if(req.size()!=1)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
        error_resp.message = "Wrong param";
        return false;
      }
      blobdata blockblob;
      if(!string_tools::parse_hexstr_to_binbuff(req[0], blockblob))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB;
        error_resp.message = "Wrong block blob";
        return false;
      }
      
      // Fixing of high orphan issue for most pools
      // Thanks Boolberry!
      block b;
      if(!parse_and_validate_block_from_blob(blockblob, b))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB;
        error_resp.message = "Wrong block blob";
        return false;
      }
  
      // Fix from Boolberry neglects to check block
      // size, do that with the function below
      if(!m_core.check_incoming_block_size(blockblob))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB_SIZE;
        error_resp.message = "Block bloc size is too big, rejecting block";
        return false;
      }
  
      if(!m_core.handle_block_found(b))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_BLOCK_NOT_ACCEPTED;
        error_resp.message = "Block not accepted";
        return false;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_generateblocks(const COMMAND_RPC_GENERATEBLOCKS::request& req, COMMAND_RPC_GENERATEBLOCKS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_generateblocks);
  
      CHECK_CORE_READY();
      
      res.status = CORE_RPC_STATUS_OK;
  
      if(m_core.get_nettype() != FAKECHAIN)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_REGTEST_REQUIRED;
        error_resp.message = "Regtest required when generating blocks";      
        return false;
      }
  
      COMMAND_RPC_GETBLOCKTEMPLATE::request template_req;
      COMMAND_RPC_GETBLOCKTEMPLATE::response template_res;
      COMMAND_RPC_SUBMITBLOCK::request submit_req;
      COMMAND_RPC_SUBMITBLOCK::response submit_res;
  
      template_req.reserve_size = 1;
      template_req.wallet_address = req.wallet_address;
      submit_req.push_back(boost::value_initialized<std::string>());
      res.height = m_core.get_blockchain_storage().get_current_blockchain_height();
  
      bool r;
  
      for(size_t i = 0; i < req.amount_of_blocks; i++)
      {
        r = on_getblocktemplate(template_req, template_res, error_resp, ctx);
        res.status = template_res.status;
        
        if (!r) return false;
  
        blobdata blockblob;
        if(!string_tools::parse_hexstr_to_binbuff(template_res.blocktemplate_blob, blockblob))
        {
          error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB;
          error_resp.message = "Wrong block blob";
          return false;
        }
        block b;
        if(!parse_and_validate_block_from_blob(blockblob, b))
        {
          error_resp.code = CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB;
          error_resp.message = "Wrong block blob";
          return false;
        }
        miner::find_nonce_for_given_block(b, template_res.difficulty, template_res.height);
  
        submit_req.front() = string_tools::buff_to_hex_nodelimer(block_to_blob(b));
        r = on_submitblock(submit_req, submit_res, error_resp, ctx);
        res.status = submit_res.status;
  
        if (!r) return false;
  
        res.height = template_res.height;
      }
  
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    uint64_t core_rpc_server::get_block_reward(const block& blk)
    {
      uint64_t reward = 0;
      for(const tx_out& out: blk.miner_tx.vout)
      {
        reward += out.amount;
      }
      return reward;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::fill_block_header_response(const block& blk, bool orphan_status, uint64_t height, const crypto::hash& hash, block_header_response& response, bool fill_pow_hash)
    {
      PERF_TIMER(fill_block_header_response);
      response.major_version = blk.major_version;
      response.minor_version = blk.minor_version;
      response.timestamp = blk.timestamp;
      response.prev_hash = string_tools::pod_to_hex(blk.prev_id);
      response.nonce = blk.nonce;
      response.orphan_status = orphan_status;
      response.height = height;
      response.depth = m_core.get_current_blockchain_height() - height - 1;
      response.hash = string_tools::pod_to_hex(hash);
      response.difficulty = m_core.get_blockchain_storage().block_difficulty(height);
      response.cumulative_difficulty = response.block_weight = m_core.get_blockchain_storage().get_db().get_block_cumulative_difficulty(height);
      response.reward = get_block_reward(blk);
      response.block_size = response.block_weight = m_core.get_blockchain_storage().get_db().get_block_weight(height);
      response.num_txes = blk.tx_hashes.size();
      response.pow_hash = fill_pow_hash ? string_tools::pod_to_hex(get_block_longhash(blk, height)) : "";
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    template <typename COMMAND_TYPE>
    bool core_rpc_server::use_bootstrap_daemon_if_necessary(const invoke_http_mode &mode, const std::string &command_name, const typename COMMAND_TYPE::request& req, typename COMMAND_TYPE::response& res, bool &r)
    {
      res.untrusted = false;
      if (m_bootstrap_daemon_address.empty())
        return false;
  
      boost::unique_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
      if (!m_should_use_bootstrap_daemon)
      {
        MINFO("The local daemon is fully synced. Not switching back to the bootstrap daemon");
        return false;
      }
  
      auto current_time = std::chrono::system_clock::now();
      if (current_time - m_bootstrap_height_check_time > std::chrono::seconds(30))  // update every 30s
      {
        m_bootstrap_height_check_time = current_time;
  
        uint64_t top_height;
        crypto::hash top_hash;
        m_core.get_blockchain_top(top_height, top_hash);
        ++top_height; // turn top block height into blockchain height
  
        // query bootstrap daemon's height
        cryptonote::COMMAND_RPC_GET_HEIGHT::request getheight_req;
        cryptonote::COMMAND_RPC_GET_HEIGHT::response getheight_res;
        bool ok = epee::net_utils::invoke_http_json("/getheight", getheight_req, getheight_res, m_http_client);
        ok = ok && getheight_res.status == CORE_RPC_STATUS_OK;
  
        m_should_use_bootstrap_daemon = ok && top_height + 10 < getheight_res.height;
        MINFO((m_should_use_bootstrap_daemon ? "Using" : "Not using") << " the bootstrap daemon (our height: " << top_height << ", bootstrap daemon's height: " << getheight_res.height << ")");
      }
      if (!m_should_use_bootstrap_daemon)
        return false;
  
      if (mode == invoke_http_mode::JON)
      {
        r = epee::net_utils::invoke_http_json(command_name, req, res, m_http_client);
      }
      else if (mode == invoke_http_mode::BIN)
      {
        r = epee::net_utils::invoke_http_bin(command_name, req, res, m_http_client);
      }
      else if (mode == invoke_http_mode::JON_RPC)
      {
        epee::json_rpc::request<typename COMMAND_TYPE::request> json_req = AUTO_VAL_INIT(json_req);
        epee::json_rpc::response<typename COMMAND_TYPE::response, std::string> json_resp = AUTO_VAL_INIT(json_resp);
        json_req.jsonrpc = "2.0";
        json_req.id = epee::serialization::storage_entry(0);
        json_req.method = command_name;
        json_req.params = req;
        r = net_utils::invoke_http_json("/json_rpc", json_req, json_resp, m_http_client);
        if (r)
          res = json_resp.result;
      }
      else
      {
        MERROR("Unknown invoke_http_mode: " << mode);
        return false;
      }
      m_was_bootstrap_ever_used = true;
      r = r && res.status == CORE_RPC_STATUS_OK;
      res.untrusted = true;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_last_block_header(const COMMAND_RPC_GET_LAST_BLOCK_HEADER::request& req, COMMAND_RPC_GET_LAST_BLOCK_HEADER::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_last_block_header);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_LAST_BLOCK_HEADER>(invoke_http_mode::JON_RPC, "getlastblockheader", req, res, r))
        return r;
  
      CHECK_CORE_READY();
      uint64_t last_block_height;
      crypto::hash last_block_hash;
      m_core.get_blockchain_top(last_block_height, last_block_hash);
      block last_block;
      bool have_last_block = m_core.get_block_by_hash(last_block_hash, last_block);
      if (!have_last_block)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't get last block.";
        return false;
      }
      bool response_filled = fill_block_header_response(last_block, false, last_block_height, last_block_hash, res.block_header, req.fill_pow_hash);
      if (!response_filled)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't produce valid response.";
        return false;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_block_header_by_hash(const COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::request& req, COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_block_header_by_hash);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCK_HEADER_BY_HASH>(invoke_http_mode::JON_RPC, "getblockheaderbyhash", req, res, r))
        return r;
  
      crypto::hash block_hash;
      bool hash_parsed = parse_hash256(req.hash, block_hash);
      if(!hash_parsed)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
        error_resp.message = "Failed to parse hex representation of block hash. Hex = " + req.hash + '.';
        return false;
      }
      block blk;
      bool orphan = false;
      bool have_block = m_core.get_block_by_hash(block_hash, blk, &orphan);
      if (!have_block)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't get block by hash. Hash = " + req.hash + '.';
        return false;
      }
      if (blk.miner_tx.vin.size() != 1 || blk.miner_tx.vin.front().type() != typeid(txin_gen))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: coinbase transaction in the block has the wrong type";
        return false;
      }
      uint64_t block_height = boost::get<txin_gen>(blk.miner_tx.vin.front()).height;
      bool response_filled = fill_block_header_response(blk, orphan, block_height, block_hash, res.block_header, req.fill_pow_hash);
      if (!response_filled)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't produce valid response.";
        return false;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_block_headers_range(const COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::request& req, COMMAND_RPC_GET_BLOCK_HEADERS_RANGE::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_block_headers_range);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCK_HEADERS_RANGE>(invoke_http_mode::JON_RPC, "getblockheadersrange", req, res, r))
        return r;
  
      const uint64_t bc_height = m_core.get_current_blockchain_height();
      if (req.start_height >= bc_height || req.end_height >= bc_height || req.start_height > req.end_height)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT;
        error_resp.message = "Invalid start/end heights.";
        return false;
      }
      for (uint64_t h = req.start_height; h <= req.end_height; ++h)
      {
        crypto::hash block_hash = m_core.get_block_id_by_height(h);
        block blk;
        bool have_block = m_core.get_block_by_hash(block_hash, blk);
        if (!have_block)
        {
          error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
          error_resp.message = "Internal error: can't get block by height. Height = " + boost::lexical_cast<std::string>(h) + ". Hash = " + epee::string_tools::pod_to_hex(block_hash) + '.';
          return false;
        }
        if (blk.miner_tx.vin.size() != 1 || blk.miner_tx.vin.front().type() != typeid(txin_gen))
        {
          error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
          error_resp.message = "Internal error: coinbase transaction in the block has the wrong type";
          return false;
        }
        uint64_t block_height = boost::get<txin_gen>(blk.miner_tx.vin.front()).height;
        if (block_height != h)
        {
          error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
          error_resp.message = "Internal error: coinbase transaction in the block has the wrong height";
          return false;
        }
        res.headers.push_back(block_header_response());
        bool response_filled = fill_block_header_response(blk, false, block_height, block_hash, res.headers.back(), req.fill_pow_hash);
        if (!response_filled)
        {
          error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
          error_resp.message = "Internal error: can't produce valid response.";
          return false;
        }
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_block_header_by_height(const COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_block_header_by_height);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT>(invoke_http_mode::JON_RPC, "getblockheaderbyheight", req, res, r))
        return r;
  
      if(m_core.get_current_blockchain_height() <= req.height)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT;
        error_resp.message = std::string("Requested block height: ") + std::to_string(req.height) + " greater than current top block height: " +  std::to_string(m_core.get_current_blockchain_height() - 1);
        return false;
      }
      crypto::hash block_hash = m_core.get_block_id_by_height(req.height);
      block blk;
      bool have_block = m_core.get_block_by_hash(block_hash, blk);
      if (!have_block)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't get block by height. Height = " + std::to_string(req.height) + '.';
        return false;
      }
      bool response_filled = fill_block_header_response(blk, false, req.height, block_hash, res.block_header, req.fill_pow_hash);
      if (!response_filled)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't produce valid response.";
        return false;
      }
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_block(const COMMAND_RPC_GET_BLOCK::request& req, COMMAND_RPC_GET_BLOCK::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_block);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BLOCK>(invoke_http_mode::JON_RPC, "getblock", req, res, r))
        return r;
  
      crypto::hash block_hash;
      if (!req.hash.empty())
      {
        bool hash_parsed = parse_hash256(req.hash, block_hash);
        if(!hash_parsed)
        {
          error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
          error_resp.message = "Failed to parse hex representation of block hash. Hex = " + req.hash + '.';
          return false;
        }
      }
      else
      {
        if(m_core.get_current_blockchain_height() <= req.height)
        {
          error_resp.code = CORE_RPC_ERROR_CODE_TOO_BIG_HEIGHT;
          error_resp.message = std::string("Requested block height: ") + std::to_string(req.height) + " greater than current top block height: " +  std::to_string(m_core.get_current_blockchain_height() - 1);
          return false;
        }
        block_hash = m_core.get_block_id_by_height(req.height);
      }
      block blk;
      bool orphan = false;
      bool have_block = m_core.get_block_by_hash(block_hash, blk, &orphan);
      if (!have_block)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't get block by hash. Hash = " + req.hash + '.';
        return false;
      }
      if (blk.miner_tx.vin.size() != 1 || blk.miner_tx.vin.front().type() != typeid(txin_gen))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: coinbase transaction in the block has the wrong type";
        return false;
      }
      uint64_t block_height = boost::get<txin_gen>(blk.miner_tx.vin.front()).height;
      bool response_filled = fill_block_header_response(blk, orphan, block_height, block_hash, res.block_header, req.fill_pow_hash);
      if (!response_filled)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Internal error: can't produce valid response.";
        return false;
      }
      res.miner_tx_hash = epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(blk.miner_tx));
      for (size_t n = 0; n < blk.tx_hashes.size(); ++n)
      {
        res.tx_hashes.push_back(epee::string_tools::pod_to_hex(blk.tx_hashes[n]));
      }
      res.blob = string_tools::buff_to_hex_nodelimer(t_serializable_object_to_blob(blk));
      res.json = obj_to_json_str(blk);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_connections(const COMMAND_RPC_GET_CONNECTIONS::request& req, COMMAND_RPC_GET_CONNECTIONS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_connections);
  
      res.connections = m_p2p.get_payload_object().get_connections();
  
      res.status = CORE_RPC_STATUS_OK;
  
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_info_json(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_info_json);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_INFO>(invoke_http_mode::JON_RPC, "get_info", req, res, r))
      {
        res.bootstrap_daemon_address = m_bootstrap_daemon_address;
        crypto::hash top_hash;
        m_core.get_blockchain_top(res.height_without_bootstrap, top_hash);
        ++res.height_without_bootstrap; // turn top block height into blockchain height
        res.was_bootstrap_ever_used = true;
        return r;
      }
  
      const bool restricted = m_restricted && ctx;
  
      crypto::hash top_hash;
      m_core.get_blockchain_top(res.height, top_hash);
      ++res.height; // turn top block height into blockchain height
      res.top_block_hash = string_tools::pod_to_hex(top_hash);
      res.target_height = m_core.get_target_blockchain_height();
      res.difficulty = m_core.get_blockchain_storage().get_difficulty_for_next_block();
      res.target = m_core.get_blockchain_storage().get_current_hard_fork_version() < 2 ? DIFFICULTY_TARGET_V1 : DIFFICULTY_TARGET_V2;
      res.tx_count = m_core.get_blockchain_storage().get_total_transactions() - res.height; //without coinbase
      res.tx_pool_size = m_core.get_pool_transactions_count();
      res.alt_blocks_count = restricted ? 0 : m_core.get_blockchain_storage().get_alternative_blocks_count();
      uint64_t total_conn = restricted ? 0 : m_p2p.get_public_connections_count();
      res.outgoing_connections_count = restricted ? 0 : m_p2p.get_public_outgoing_connections_count();
      res.incoming_connections_count = restricted ? 0 : (total_conn - res.outgoing_connections_count);
      res.rpc_connections_count = restricted ? 0 : get_connections_count();
      res.white_peerlist_size = restricted ? 0 : m_p2p.get_public_white_peers_count();
      res.grey_peerlist_size = restricted ? 0 : m_p2p.get_public_gray_peers_count();
  
      cryptonote::network_type net_type = nettype();
      res.mainnet = net_type == MAINNET;
      res.testnet = net_type == TESTNET;
      res.stagenet = net_type == STAGENET;
      res.nettype = net_type == MAINNET ? "mainnet" : net_type == TESTNET ? "testnet" : net_type == STAGENET ? "stagenet" : "fakechain";
  
      res.cumulative_difficulty = m_core.get_blockchain_storage().get_db().get_block_cumulative_difficulty(res.height - 1);
      res.block_size_limit = res.block_weight_limit = m_core.get_blockchain_storage().get_current_cumulative_block_weight_limit();
      res.block_size_median = res.block_weight_median = m_core.get_blockchain_storage().get_current_cumulative_block_weight_median();
      res.status = CORE_RPC_STATUS_OK;
      res.start_time = restricted ? 0 : (uint64_t)m_core.get_start_time();
      res.free_space = restricted ? std::numeric_limits<uint64_t>::max() : m_core.get_free_space();
      res.offline = m_core.offline();
      res.bootstrap_daemon_address = restricted ? "" : m_bootstrap_daemon_address;
      res.height_without_bootstrap = restricted ? 0 : res.height;
      if (restricted)
        res.was_bootstrap_ever_used = false;
      else
      {
        boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
        res.was_bootstrap_ever_used = m_was_bootstrap_ever_used;
      }
      res.database_size = restricted ? 0 : m_core.get_blockchain_storage().get_db().get_database_size();
      res.update_available = restricted ? false : m_core.is_update_available();
      res.version = restricted ? "" : MONERO_VERSION;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_hard_fork_info(const COMMAND_RPC_HARD_FORK_INFO::request& req, COMMAND_RPC_HARD_FORK_INFO::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_hard_fork_info);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_HARD_FORK_INFO>(invoke_http_mode::JON_RPC, "hard_fork_info", req, res, r))
        return r;
  
      const Blockchain &blockchain = m_core.get_blockchain_storage();
      uint8_t version = req.version > 0 ? req.version : blockchain.get_next_hard_fork_version();
      res.version = blockchain.get_current_hard_fork_version();
      res.enabled = blockchain.get_hard_fork_voting_info(version, res.window, res.votes, res.threshold, res.earliest_height, res.voting);
      res.state = blockchain.get_hard_fork_state();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_bans(const COMMAND_RPC_GETBANS::request& req, COMMAND_RPC_GETBANS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_bans);
  
      auto now = time(nullptr);
      std::map<std::string, time_t> blocked_hosts = m_p2p.get_blocked_hosts();
      for (std::map<std::string, time_t>::const_iterator i = blocked_hosts.begin(); i != blocked_hosts.end(); ++i)
      {
        if (i->second > now) {
          COMMAND_RPC_GETBANS::ban b;
          b.host = i->first;
          b.ip = 0;
          uint32_t ip;
          if (epee::string_tools::get_ip_int32_from_string(ip, i->first))
            b.ip = ip;
          b.seconds = i->second - now;
          res.bans.push_back(b);
        }
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_set_bans(const COMMAND_RPC_SETBANS::request& req, COMMAND_RPC_SETBANS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_set_bans);
  
      for (auto i = req.bans.begin(); i != req.bans.end(); ++i)
      {
        epee::net_utils::network_address na;
        if (!i->host.empty())
        {
          auto na_parsed = net::get_network_address(i->host, 0);
          if (!na_parsed)
          {
            error_resp.code = CORE_RPC_ERROR_CODE_WRONG_PARAM;
            error_resp.message = "Unsupported host type";
            return false;
          }
          na = std::move(*na_parsed);
        }
        else
        {
          na = epee::net_utils::ipv4_network_address{i->ip, 0};
        }
        if (i->ban)
          m_p2p.block_host(na, i->seconds);
        else
          m_p2p.unblock_host(na);
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_flush_txpool(const COMMAND_RPC_FLUSH_TRANSACTION_POOL::request& req, COMMAND_RPC_FLUSH_TRANSACTION_POOL::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_flush_txpool);
  
      bool failed = false;
      std::vector<crypto::hash> txids;
      if (req.txids.empty())
      {
        std::vector<transaction> pool_txs;
        bool r = m_core.get_pool_transactions(pool_txs);
        if (!r)
        {
          res.status = "Failed to get txpool contents";
          return true;
        }
        for (const auto &tx: pool_txs)
        {
          txids.push_back(cryptonote::get_transaction_hash(tx));
        }
      }
      else
      {
        for (const auto &str: req.txids)
        {
          cryptonote::blobdata txid_data;
          if(!epee::string_tools::parse_hexstr_to_binbuff(str, txid_data))
          {
            failed = true;
          }
          else
          {
            crypto::hash txid = *reinterpret_cast<const crypto::hash*>(txid_data.data());
            txids.push_back(txid);
          }
        }
      }
      if (!m_core.get_blockchain_storage().flush_txes_from_pool(txids))
      {
        res.status = "Failed to remove one or more tx(es)";
        return false;
      }
  
      if (failed)
      {
        if (txids.empty())
          res.status = "Failed to parse txid";
        else
          res.status = "Failed to parse some of the txids";
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_output_histogram(const COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request& req, COMMAND_RPC_GET_OUTPUT_HISTOGRAM::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_output_histogram);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_OUTPUT_HISTOGRAM>(invoke_http_mode::JON_RPC, "get_output_histogram", req, res, r))
        return r;
  
      std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> histogram;
      try
      {
        histogram = m_core.get_blockchain_storage().get_output_histogram(req.amounts, req.unlocked, req.recent_cutoff, req.min_count);
      }
      catch (const std::exception &e)
      {
        res.status = "Failed to get output histogram";
        return true;
      }
  
      res.histogram.clear();
      res.histogram.reserve(histogram.size());
      for (const auto &i: histogram)
      {
        if (std::get<0>(i.second) >= req.min_count && (std::get<0>(i.second) <= req.max_count || req.max_count == 0))
          res.histogram.push_back(COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry(i.first, std::get<0>(i.second), std::get<1>(i.second), std::get<2>(i.second)));
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_version(const COMMAND_RPC_GET_VERSION::request& req, COMMAND_RPC_GET_VERSION::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_version);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_VERSION>(invoke_http_mode::JON_RPC, "get_version", req, res, r))
        return r;
  
      res.version = CORE_RPC_VERSION;
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_coinbase_tx_sum(const COMMAND_RPC_GET_COINBASE_TX_SUM::request& req, COMMAND_RPC_GET_COINBASE_TX_SUM::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_coinbase_tx_sum);
      std::pair<uint64_t, uint64_t> amounts = m_core.get_coinbase_tx_sum(req.height, req.count);
      res.emission_amount = amounts.first;
      res.fee_amount = amounts.second;
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_base_fee_estimate(const COMMAND_RPC_GET_BASE_FEE_ESTIMATE::request& req, COMMAND_RPC_GET_BASE_FEE_ESTIMATE::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_base_fee_estimate);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_BASE_FEE_ESTIMATE>(invoke_http_mode::JON_RPC, "get_fee_estimate", req, res, r))
        return r;
  
      res.fee = m_core.get_blockchain_storage().get_dynamic_base_fee_estimate(req.grace_blocks);
      res.quantization_mask = Blockchain::get_fee_quantization_mask();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_alternate_chains(const COMMAND_RPC_GET_ALTERNATE_CHAINS::request& req, COMMAND_RPC_GET_ALTERNATE_CHAINS::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_alternate_chains);
      try
      {
        std::list<std::pair<Blockchain::block_extended_info, std::vector<crypto::hash>>> chains = m_core.get_blockchain_storage().get_alternative_chains();
        for (const auto &i: chains)
        {
          res.chains.push_back(COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info{epee::string_tools::pod_to_hex(get_block_hash(i.first.bl)), i.first.height, i.second.size(), i.first.cumulative_difficulty, {}, std::string()});
          res.chains.back().block_hashes.reserve(i.second.size());
          for (const crypto::hash &block_id: i.second)
            res.chains.back().block_hashes.push_back(epee::string_tools::pod_to_hex(block_id));
          if (i.first.height < i.second.size())
          {
            res.status = "Error finding alternate chain attachment point";
            return true;
          }
          cryptonote::block main_chain_parent_block;
          try { main_chain_parent_block = m_core.get_blockchain_storage().get_db().get_block_from_height(i.first.height - i.second.size()); }
          catch (const std::exception &e) { res.status = "Error finding alternate chain attachment point"; return true; }
          res.chains.back().main_chain_parent_block = epee::string_tools::pod_to_hex(get_block_hash(main_chain_parent_block));
        }
        res.status = CORE_RPC_STATUS_OK;
      }
      catch (...)
      {
        res.status = "Error retrieving alternate chains";
      }
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_limit(const COMMAND_RPC_GET_LIMIT::request& req, COMMAND_RPC_GET_LIMIT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_limit);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_LIMIT>(invoke_http_mode::JON, "/get_limit", req, res, r))
        return r;
  
      res.limit_down = epee::net_utils::connection_basic::get_rate_down_limit();
      res.limit_up = epee::net_utils::connection_basic::get_rate_up_limit();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_set_limit(const COMMAND_RPC_SET_LIMIT::request& req, COMMAND_RPC_SET_LIMIT::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_set_limit);
      // -1 = reset to default
      //  0 = do not modify
  
      if (req.limit_down > 0)
      {
        epee::net_utils::connection_basic::set_rate_down_limit(req.limit_down);
      }
      else if (req.limit_down < 0)
      {
        if (req.limit_down != -1)
        {
          res.status = CORE_RPC_ERROR_CODE_WRONG_PARAM;
          return false;
        }
        epee::net_utils::connection_basic::set_rate_down_limit(nodetool::default_limit_down);
      }
  
      if (req.limit_up > 0)
      {
        epee::net_utils::connection_basic::set_rate_up_limit(req.limit_up);
      }
      else if (req.limit_up < 0)
      {
        if (req.limit_up != -1)
        {
          res.status = CORE_RPC_ERROR_CODE_WRONG_PARAM;
          return false;
        }
        epee::net_utils::connection_basic::set_rate_up_limit(nodetool::default_limit_up);
      }
  
      res.limit_down = epee::net_utils::connection_basic::get_rate_down_limit();
      res.limit_up = epee::net_utils::connection_basic::get_rate_up_limit();
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_out_peers(const COMMAND_RPC_OUT_PEERS::request& req, COMMAND_RPC_OUT_PEERS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_out_peers);
      m_p2p.change_max_out_public_peers(req.out_peers);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_in_peers(const COMMAND_RPC_IN_PEERS::request& req, COMMAND_RPC_IN_PEERS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_in_peers);
      m_p2p.change_max_in_public_peers(req.in_peers);
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_start_save_graph(const COMMAND_RPC_START_SAVE_GRAPH::request& req, COMMAND_RPC_START_SAVE_GRAPH::response& res, const connection_context *ctx)
    {
  	  PERF_TIMER(on_start_save_graph);
  	  m_p2p.set_save_graph(true);
  	  res.status = CORE_RPC_STATUS_OK;
  	  return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_stop_save_graph(const COMMAND_RPC_STOP_SAVE_GRAPH::request& req, COMMAND_RPC_STOP_SAVE_GRAPH::response& res, const connection_context *ctx)
    {
  	  PERF_TIMER(on_stop_save_graph);
  	  m_p2p.set_save_graph(false);
  	  res.status = CORE_RPC_STATUS_OK;
  	  return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_update(const COMMAND_RPC_UPDATE::request& req, COMMAND_RPC_UPDATE::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_update);
      static const char software[] = "monero";
  #ifdef BUILD_TAG
      static const char buildtag[] = BOOST_PP_STRINGIZE(BUILD_TAG);
      static const char subdir[] = "cli";
  #else
      static const char buildtag[] = "source";
      static const char subdir[] = "source";
  #endif
  
      if (req.command != "check" && req.command != "download" && req.command != "update")
      {
        res.status = std::string("unknown command: '") + req.command + "'";
        return true;
      }
  
      std::string version, hash;
      if (!tools::check_updates(software, buildtag, version, hash))
      {
        res.status = "Error checking for updates";
        return true;
      }
      if (tools::vercmp(version.c_str(), MONERO_VERSION) <= 0)
      {
        res.update = false;
        res.status = CORE_RPC_STATUS_OK;
        return true;
      }
      res.update = true;
      res.version = version;
      res.user_uri = tools::get_update_url(software, subdir, buildtag, version, true);
      res.auto_uri = tools::get_update_url(software, subdir, buildtag, version, false);
      res.hash = hash;
      if (req.command == "check")
      {
        res.status = CORE_RPC_STATUS_OK;
        return true;
      }
  
      boost::filesystem::path path;
      if (req.path.empty())
      {
        std::string filename;
        const char *slash = strrchr(res.auto_uri.c_str(), '/');
        if (slash)
          filename = slash + 1;
        else
          filename = std::string(software) + "-update-" + version;
        path = epee::string_tools::get_current_module_folder();
        path /= filename;
      }
      else
      {
        path = req.path;
      }
  
      crypto::hash file_hash;
      if (!tools::sha256sum(path.string(), file_hash) || (hash != epee::string_tools::pod_to_hex(file_hash)))
      {
        MDEBUG("We don't have that file already, downloading");
        if (!tools::download(path.string(), res.auto_uri))
        {
          MERROR("Failed to download " << res.auto_uri);
          return false;
        }
        if (!tools::sha256sum(path.string(), file_hash))
        {
          MERROR("Failed to hash " << path);
          return false;
        }
        if (hash != epee::string_tools::pod_to_hex(file_hash))
        {
          MERROR("Download from " << res.auto_uri << " does not match the expected hash");
          return false;
        }
        MINFO("New version downloaded to " << path);
      }
      else
      {
        MDEBUG("We already have " << path << " with expected hash");
      }
      res.path = path.string();
  
      if (req.command == "download")
      {
        res.status = CORE_RPC_STATUS_OK;
        return true;
      }
  
      res.status = "'update' not implemented yet";
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_pop_blocks(const COMMAND_RPC_POP_BLOCKS::request& req, COMMAND_RPC_POP_BLOCKS::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_pop_blocks);
  
      m_core.get_blockchain_storage().pop_blocks(req.nblocks);
  
      res.height = m_core.get_current_blockchain_height();
      res.status = CORE_RPC_STATUS_OK;
  
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_relay_tx(const COMMAND_RPC_RELAY_TX::request& req, COMMAND_RPC_RELAY_TX::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_relay_tx);
  
      bool failed = false;
      res.status = "";
      for (const auto &str: req.txids)
      {
        cryptonote::blobdata txid_data;
        if(!epee::string_tools::parse_hexstr_to_binbuff(str, txid_data))
        {
          if (!res.status.empty()) res.status += ", ";
          res.status += std::string("invalid transaction id: ") + str;
          failed = true;
          continue;
        }
        crypto::hash txid = *reinterpret_cast<const crypto::hash*>(txid_data.data());
  
        cryptonote::blobdata txblob;
        bool r = m_core.get_pool_transaction(txid, txblob);
        if (r)
        {
          cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
          NOTIFY_NEW_TRANSACTIONS::request r;
          r.txs.push_back(txblob);
          m_core.get_protocol()->relay_transactions(r, fake_context);
          //TODO: make sure that tx has reached other nodes here, probably wait to receive reflections from other nodes
        }
        else
        {
          if (!res.status.empty()) res.status += ", ";
          res.status += std::string("transaction not found in pool: ") + str;
          failed = true;
          continue;
        }
      }
  
      if (failed)
      {
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_sync_info(const COMMAND_RPC_SYNC_INFO::request& req, COMMAND_RPC_SYNC_INFO::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_sync_info);
  
      crypto::hash top_hash;
      m_core.get_blockchain_top(res.height, top_hash);
      ++res.height; // turn top block height into blockchain height
      res.target_height = m_core.get_target_blockchain_height();
      res.next_needed_pruning_seed = m_p2p.get_payload_object().get_next_needed_pruning_stripe().second;
  
      for (const auto &c: m_p2p.get_payload_object().get_connections())
        res.peers.push_back({c});
      const cryptonote::block_queue &block_queue = m_p2p.get_payload_object().get_block_queue();
      block_queue.foreach([&](const cryptonote::block_queue::span &span) {
        const std::string span_connection_id = epee::string_tools::pod_to_hex(span.connection_id);
        uint32_t speed = (uint32_t)(100.0f * block_queue.get_speed(span.connection_id) + 0.5f);
        std::string address = "";
        for (const auto &c: m_p2p.get_payload_object().get_connections())
          if (c.connection_id == span_connection_id)
            address = c.address;
        res.spans.push_back({span.start_block_height, span.nblocks, span_connection_id, (uint32_t)(span.rate + 0.5f), speed, span.size, address});
        return true;
      });
      res.overview = block_queue.get_overview(res.height);
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_txpool_backlog(const COMMAND_RPC_GET_TRANSACTION_POOL_BACKLOG::request& req, COMMAND_RPC_GET_TRANSACTION_POOL_BACKLOG::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_txpool_backlog);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_TRANSACTION_POOL_BACKLOG>(invoke_http_mode::JON_RPC, "get_txpool_backlog", req, res, r))
        return r;
  
      if (!m_core.get_txpool_backlog(res.backlog))
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Failed to get txpool backlog";
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_output_distribution(const COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::request& req, COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      PERF_TIMER(on_get_output_distribution);
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_OUTPUT_DISTRIBUTION>(invoke_http_mode::JON_RPC, "get_output_distribution", req, res, r))
        return r;
  
      try
      {
        // 0 is placeholder for the whole chain
        const uint64_t req_to_height = req.to_height ? req.to_height : (m_core.get_current_blockchain_height() - 1);
        for (uint64_t amount: req.amounts)
        {
          auto data = rpc::RpcHandler::get_output_distribution([this](uint64_t amount, uint64_t from, uint64_t to, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) { return m_core.get_output_distribution(amount, from, to, start_height, distribution, base); }, amount, req.from_height, req_to_height, req.cumulative);
          if (!data)
          {
            error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
            error_resp.message = "Failed to get output distribution";
            return false;
          }
  
          res.distributions.push_back({std::move(*data), amount, "", req.binary, req.compress});
        }
      }
      catch (const std::exception &e)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Failed to get output distribution";
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_get_output_distribution_bin(const COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::request& req, COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::response& res, const connection_context *ctx)
    {
      PERF_TIMER(on_get_output_distribution_bin);
  
      bool r;
      if (use_bootstrap_daemon_if_necessary<COMMAND_RPC_GET_OUTPUT_DISTRIBUTION>(invoke_http_mode::BIN, "/get_output_distribution.bin", req, res, r))
        return r;
  
      res.status = "Failed";
  
      if (!req.binary)
      {
        res.status = "Binary only call";
        return false;
      }
      try
      {
        // 0 is placeholder for the whole chain
        const uint64_t req_to_height = req.to_height ? req.to_height : (m_core.get_current_blockchain_height() - 1);
        for (uint64_t amount: req.amounts)
        {
          auto data = rpc::RpcHandler::get_output_distribution([this](uint64_t amount, uint64_t from, uint64_t to, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) { return m_core.get_output_distribution(amount, from, to, start_height, distribution, base); }, amount, req.from_height, req_to_height, req.cumulative);
          if (!data)
          {
            res.status = "Failed to get output distribution";
            return false;
          }
  
          res.distributions.push_back({std::move(*data), amount, "", req.binary, req.compress});
        }
      }
      catch (const std::exception &e)
      {
        res.status = "Failed to get output distribution";
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
    bool core_rpc_server::on_prune_blockchain(const COMMAND_RPC_PRUNE_BLOCKCHAIN::request& req, COMMAND_RPC_PRUNE_BLOCKCHAIN::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
    {
      try
      {
        if (!(req.check ? m_core.check_blockchain_pruning() : m_core.prune_blockchain()))
        {
          error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
          error_resp.message = req.check ? "Failed to check blockchain pruning" : "Failed to prune blockchain";
          return false;
        }
        res.pruning_seed = m_core.get_blockchain_pruning_seed();
      }
      catch (const std::exception &e)
      {
        error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
        error_resp.message = "Failed to prune blockchain";
        return false;
      }
  
      res.status = CORE_RPC_STATUS_OK;
      return true;
    }
    //------------------------------------------------------------------------------------------------------------------------------
  
  
    const command_line::arg_descriptor<std::string, false, true, 2> core_rpc_server::arg_rpc_bind_port = {
        "rpc-bind-port"
      , "Port for RPC server"
      , std::to_string(config::RPC_DEFAULT_PORT)
      , {{ &cryptonote::arg_testnet_on, &cryptonote::arg_stagenet_on }}
      , [](std::array<bool, 2> testnet_stagenet, bool defaulted, std::string val)->std::string {
          if (testnet_stagenet[0] && defaulted)
            return std::to_string(config::testnet::RPC_DEFAULT_PORT);
          else if (testnet_stagenet[1] && defaulted)
            return std::to_string(config::stagenet::RPC_DEFAULT_PORT);
          return val;
        }
      };
  
    const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_restricted_bind_port = {
        "rpc-restricted-bind-port"
      , "Port for restricted RPC server"
      , ""
      };
  
    const command_line::arg_descriptor<bool> core_rpc_server::arg_restricted_rpc = {
        "restricted-rpc"
      , "Restrict RPC to view only commands and do not return privacy sensitive data in RPC calls"
      , false
      };
  
    const command_line::arg_descriptor<std::string> core_rpc_server::arg_bootstrap_daemon_address = {
        "bootstrap-daemon-address"
      , "URL of a 'bootstrap' remote daemon that the connected wallets can use while this daemon is still not fully synced"
      , ""
      };
  
    const command_line::arg_descriptor<std::string> core_rpc_server::arg_bootstrap_daemon_login = {
        "bootstrap-daemon-login"
      , "Specify username:password for the bootstrap daemon login"
      , ""
      };
  }  // namespace cryptonote
  