1223 lines
50 KiB
C++
1223 lines
50 KiB
C++
/// @file
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/// @author rfree (current maintainer/user in monero.cc project - most of code is from CryptoNote)
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/// @brief This is the orginal cryptonote protocol network-events handler, modified by us
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// Copyright (c) 2014-2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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// (may contain code and/or modifications by other developers)
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// developer rfree: this code is caller of our new network code, and is modded; e.g. for rate limiting
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#include <boost/interprocess/detail/atomic.hpp>
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#include <list>
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#include <unordered_map>
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#include "cryptonote_basic/cryptonote_format_utils.h"
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#include "profile_tools.h"
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#include "../../src/p2p/network_throttle-detail.hpp"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "net.cn"
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#define MLOG_P2P_MESSAGE(x) MCINFO("net.p2p.msg", context << x)
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namespace cryptonote
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{
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//-----------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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t_cryptonote_protocol_handler<t_core>::t_cryptonote_protocol_handler(t_core& rcore, nodetool::i_p2p_endpoint<connection_context>* p_net_layout):m_core(rcore),
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m_p2p(p_net_layout),
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m_syncronized_connections_count(0),
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m_synchronized(false),
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m_stopping(false)
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{
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if(!m_p2p)
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m_p2p = &m_p2p_stub;
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}
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//-----------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::init(const boost::program_options::variables_map& vm)
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{
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::deinit()
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{
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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void t_cryptonote_protocol_handler<t_core>::set_p2p_endpoint(nodetool::i_p2p_endpoint<connection_context>* p2p)
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{
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if(p2p)
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m_p2p = p2p;
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else
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m_p2p = &m_p2p_stub;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::on_callback(cryptonote_connection_context& context)
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{
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LOG_PRINT_CCONTEXT_L2("callback fired");
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CHECK_AND_ASSERT_MES_CC( context.m_callback_request_count > 0, false, "false callback fired, but context.m_callback_request_count=" << context.m_callback_request_count);
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--context.m_callback_request_count;
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if(context.m_state == cryptonote_connection_context::state_synchronizing)
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{
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NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
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m_core.get_short_chain_history(r.block_ids);
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LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() );
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post_notify<NOTIFY_REQUEST_CHAIN>(r, context);
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}
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::get_stat_info(core_stat_info& stat_inf)
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{
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return m_core.get_stat_info(stat_inf);
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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void t_cryptonote_protocol_handler<t_core>::log_connections()
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{
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std::stringstream ss;
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ss.precision(1);
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double down_sum = 0.0;
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double down_curr_sum = 0.0;
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double up_sum = 0.0;
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double up_curr_sum = 0.0;
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ss << std::setw(30) << std::left << "Remote Host"
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<< std::setw(20) << "Peer id"
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<< std::setw(20) << "Support Flags"
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<< std::setw(30) << "Recv/Sent (inactive,sec)"
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<< std::setw(25) << "State"
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<< std::setw(20) << "Livetime(sec)"
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<< std::setw(12) << "Down (kB/s)"
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<< std::setw(14) << "Down(now)"
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<< std::setw(10) << "Up (kB/s)"
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<< std::setw(13) << "Up(now)"
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<< ENDL;
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uint32_t ip;
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m_p2p->for_each_connection([&](const connection_context& cntxt, nodetool::peerid_type peer_id, uint32_t support_flags)
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{
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bool local_ip = false;
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ip = ntohl(cntxt.m_remote_ip);
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// TODO: local ip in calss A, B
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if (ip > 3232235520 && ip < 3232301055) // 192.168.x.x
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local_ip = true;
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auto connection_time = time(NULL) - cntxt.m_started;
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ss << std::setw(30) << std::left << std::string(cntxt.m_is_income ? " [INC]":"[OUT]") +
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epee::string_tools::get_ip_string_from_int32(cntxt.m_remote_ip) + ":" + std::to_string(cntxt.m_remote_port)
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<< std::setw(20) << std::hex << peer_id
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<< std::setw(20) << std::hex << support_flags
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<< std::setw(30) << std::to_string(cntxt.m_recv_cnt)+ "(" + std::to_string(time(NULL) - cntxt.m_last_recv) + ")" + "/" + std::to_string(cntxt.m_send_cnt) + "(" + std::to_string(time(NULL) - cntxt.m_last_send) + ")"
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<< std::setw(25) << get_protocol_state_string(cntxt.m_state)
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<< std::setw(20) << std::to_string(time(NULL) - cntxt.m_started)
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<< std::setw(12) << std::fixed << (connection_time == 0 ? 0.0 : cntxt.m_recv_cnt / connection_time / 1024)
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<< std::setw(14) << std::fixed << cntxt.m_current_speed_down / 1024
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<< std::setw(10) << std::fixed << (connection_time == 0 ? 0.0 : cntxt.m_send_cnt / connection_time / 1024)
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<< std::setw(13) << std::fixed << cntxt.m_current_speed_up / 1024
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<< (local_ip ? "[LAN]" : "")
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<< std::left << (ip == LOCALHOST_INT ? "[LOCALHOST]" : "") // 127.0.0.1
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<< ENDL;
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if (connection_time > 1)
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{
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down_sum += (cntxt.m_recv_cnt / connection_time / 1024);
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up_sum += (cntxt.m_send_cnt / connection_time / 1024);
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}
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down_curr_sum += (cntxt.m_current_speed_down / 1024);
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up_curr_sum += (cntxt.m_current_speed_up / 1024);
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return true;
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});
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ss << ENDL
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<< std::setw(125) << " "
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<< std::setw(12) << down_sum
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<< std::setw(14) << down_curr_sum
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<< std::setw(10) << up_sum
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<< std::setw(13) << up_curr_sum
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<< ENDL;
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LOG_PRINT_L0("Connections: " << ENDL << ss.str());
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}
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//------------------------------------------------------------------------------------------------------------------------
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// Returns a list of connection_info objects describing each open p2p connection
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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std::list<connection_info> t_cryptonote_protocol_handler<t_core>::get_connections()
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{
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std::list<connection_info> connections;
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m_p2p->for_each_connection([&](const connection_context& cntxt, nodetool::peerid_type peer_id, uint32_t support_flags)
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{
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connection_info cnx;
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auto timestamp = time(NULL);
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cnx.incoming = cntxt.m_is_income ? true : false;
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cnx.ip = epee::string_tools::get_ip_string_from_int32(cntxt.m_remote_ip);
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cnx.port = std::to_string(cntxt.m_remote_port);
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std::stringstream peer_id_str;
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peer_id_str << std::hex << peer_id;
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peer_id_str >> cnx.peer_id;
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cnx.support_flags = support_flags;
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cnx.recv_count = cntxt.m_recv_cnt;
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cnx.recv_idle_time = timestamp - cntxt.m_last_recv;
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cnx.send_count = cntxt.m_send_cnt;
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cnx.send_idle_time = timestamp;
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cnx.state = get_protocol_state_string(cntxt.m_state);
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cnx.live_time = timestamp - cntxt.m_started;
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uint32_t ip;
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ip = ntohl(cntxt.m_remote_ip);
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if (ip == LOCALHOST_INT)
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{
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cnx.localhost = true;
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}
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else
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{
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cnx.localhost = false;
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}
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if (ip > 3232235520 && ip < 3232301055) // 192.168.x.x
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{
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cnx.local_ip = true;
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}
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else
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{
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cnx.local_ip = false;
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}
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auto connection_time = time(NULL) - cntxt.m_started;
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if (connection_time == 0)
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{
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cnx.avg_download = 0;
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cnx.avg_upload = 0;
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}
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else
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{
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cnx.avg_download = cntxt.m_recv_cnt / connection_time / 1024;
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cnx.avg_upload = cntxt.m_send_cnt / connection_time / 1024;
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}
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cnx.current_download = cntxt.m_current_speed_down / 1024;
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cnx.current_upload = cntxt.m_current_speed_up / 1024;
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connections.push_back(cnx);
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return true;
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});
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return connections;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::process_payload_sync_data(const CORE_SYNC_DATA& hshd, cryptonote_connection_context& context, bool is_inital)
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{
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if(context.m_state == cryptonote_connection_context::state_befor_handshake && !is_inital)
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return true;
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if(context.m_state == cryptonote_connection_context::state_synchronizing)
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return true;
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uint64_t target = m_core.get_target_blockchain_height();
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if(m_core.have_block(hshd.top_id))
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{
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context.m_state = cryptonote_connection_context::state_normal;
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if(is_inital && target == m_core.get_current_blockchain_height())
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on_connection_synchronized();
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return true;
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}
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if (hshd.current_height > target)
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{
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/* As I don't know if accessing hshd from core could be a good practice,
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I prefer pushing target height to the core at the same time it is pushed to the user.
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Nz. */
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m_core.set_target_blockchain_height(static_cast<int64_t>(hshd.current_height));
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int64_t diff = static_cast<int64_t>(hshd.current_height) - static_cast<int64_t>(m_core.get_current_blockchain_height());
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int64_t max_block_height = max(static_cast<int64_t>(hshd.current_height),static_cast<int64_t>(m_core.get_current_blockchain_height()));
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int64_t last_block_v1 = 1009826;
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int64_t diff_v2 = max_block_height > last_block_v1 ? min(abs(diff), max_block_height - last_block_v1) : 0;
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MCLOG(is_inital ? el::Level::Info : el::Level::Debug, "global", context << "Sync data returned a new top block candidate: " << m_core.get_current_blockchain_height() << " -> " << hshd.current_height
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<< " [Your node is " << std::abs(diff) << " blocks (" << ((abs(diff) - diff_v2) / (24 * 60 * 60 / DIFFICULTY_TARGET_V1)) + (diff_v2 / (24 * 60 * 60 / DIFFICULTY_TARGET_V2)) << " days) "
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<< (0 <= diff ? std::string("behind") : std::string("ahead"))
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<< "] " << ENDL << "SYNCHRONIZATION started");
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}
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LOG_PRINT_L1("Remote blockchain height: " << hshd.current_height << ", id: " << hshd.top_id);
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context.m_state = cryptonote_connection_context::state_synchronizing;
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context.m_remote_blockchain_height = hshd.current_height;
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//let the socket to send response to handshake, but request callback, to let send request data after response
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LOG_PRINT_CCONTEXT_L2("requesting callback");
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++context.m_callback_request_count;
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m_p2p->request_callback(context);
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::get_payload_sync_data(CORE_SYNC_DATA& hshd)
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{
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m_core.get_blockchain_top(hshd.current_height, hshd.top_id);
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hshd.current_height +=1;
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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bool t_cryptonote_protocol_handler<t_core>::get_payload_sync_data(blobdata& data)
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{
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CORE_SYNC_DATA hsd = boost::value_initialized<CORE_SYNC_DATA>();
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get_payload_sync_data(hsd);
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epee::serialization::store_t_to_binary(hsd, data);
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return true;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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int t_cryptonote_protocol_handler<t_core>::handle_notify_new_block(int command, NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& context)
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{
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MLOG_P2P_MESSAGE("Received NOTIFY_NEW_BLOCK (hop " << arg.hop << ", " << arg.b.txs.size() << " txes)");
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if(context.m_state != cryptonote_connection_context::state_normal)
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return 1;
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m_core.pause_mine();
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std::list<block_complete_entry> blocks;
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blocks.push_back(arg.b);
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m_core.prepare_handle_incoming_blocks(blocks);
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for(auto tx_blob_it = arg.b.txs.begin(); tx_blob_it!=arg.b.txs.end();tx_blob_it++)
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{
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cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
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m_core.handle_incoming_tx(*tx_blob_it, tvc, true, true, false);
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if(tvc.m_verifivation_failed)
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{
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LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection");
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m_p2p->drop_connection(context);
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m_core.cleanup_handle_incoming_blocks();
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m_core.resume_mine();
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return 1;
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}
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}
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block_verification_context bvc = boost::value_initialized<block_verification_context>();
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m_core.handle_incoming_block(arg.b.block, bvc); // got block from handle_notify_new_block
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m_core.cleanup_handle_incoming_blocks(true);
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m_core.resume_mine();
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if(bvc.m_verifivation_failed)
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{
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LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection");
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m_p2p->drop_connection(context);
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return 1;
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}
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if(bvc.m_added_to_main_chain)
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{
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++arg.hop;
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//TODO: Add here announce protocol usage
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relay_block(arg, context);
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}else if(bvc.m_marked_as_orphaned)
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{
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context.m_state = cryptonote_connection_context::state_synchronizing;
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NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
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m_core.get_short_chain_history(r.block_ids);
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LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() );
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post_notify<NOTIFY_REQUEST_CHAIN>(r, context);
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}
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return 1;
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}
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//------------------------------------------------------------------------------------------------------------------------
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template<class t_core>
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int t_cryptonote_protocol_handler<t_core>::handle_notify_new_fluffy_block(int command, NOTIFY_NEW_FLUFFY_BLOCK::request& arg, cryptonote_connection_context& context)
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{
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MLOG_P2P_MESSAGE("Received NOTIFY_NEW_FLUFFY_BLOCK (height " << arg.current_blockchain_height << ", hop " << arg.hop << ", " << arg.b.txs.size() << " txes)");
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if(context.m_state != cryptonote_connection_context::state_normal)
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return 1;
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m_core.pause_mine();
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block new_block;
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transaction miner_tx;
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if(parse_and_validate_block_from_blob(arg.b.block, new_block))
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{
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// This is a second notification, we must have asked for some missing tx
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if(!context.m_requested_objects.empty())
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{
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// What we asked for != to what we received ..
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if(context.m_requested_objects.size() != arg.b.txs.size())
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{
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LOG_ERROR_CCONTEXT
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(
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"NOTIFY_NEW_FLUFFY_BLOCK -> request/response mismatch, "
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<< "block = " << epee::string_tools::pod_to_hex(get_blob_hash(arg.b.block))
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<< ", requested = " << context.m_requested_objects.size()
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<< ", received = " << new_block.tx_hashes.size()
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<< ", dropping connection"
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);
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m_p2p->drop_connection(context);
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m_core.resume_mine();
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return 1;
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}
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}
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std::list<blobdata> have_tx;
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// Instead of requesting missing transactions by hash like BTC,
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// we do it by index (thanks to a suggestion from moneromooo) because
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// we're way cooler .. and also because they're smaller than hashes.
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//
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// Also, remember to pepper some whitespace changes around to bother
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// moneromooo ... only because I <3 him.
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std::vector<size_t> need_tx_indices;
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transaction tx;
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crypto::hash tx_hash;
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for(auto& tx_blob: arg.b.txs)
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{
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if(parse_and_validate_tx_from_blob(tx_blob, tx))
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{
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try
|
|
{
|
|
if(!get_transaction_hash(tx, tx_hash))
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK: get_transaction_hash failed"
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
}
|
|
catch(...)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK: get_transaction_hash failed"
|
|
<< ", exception thrown"
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
|
|
// hijacking m_requested objects in connection context to patch up
|
|
// a possible DOS vector pointed out by @monero-moo where peers keep
|
|
// sending (0...n-1) transactions.
|
|
// If requested objects is not empty, then we must have asked for
|
|
// some missing transacionts, make sure that they're all there.
|
|
//
|
|
// Can I safely re-use this field? I think so, but someone check me!
|
|
if(!context.m_requested_objects.empty())
|
|
{
|
|
auto req_tx_it = context.m_requested_objects.find(tx_hash);
|
|
if(req_tx_it == context.m_requested_objects.end())
|
|
{
|
|
LOG_ERROR_CCONTEXT
|
|
(
|
|
"Peer sent wrong transaction (NOTIFY_NEW_FLUFFY_BLOCK): "
|
|
<< "transaction with id = " << tx_hash << " wasn't requested, "
|
|
<< "dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
|
|
context.m_requested_objects.erase(req_tx_it);
|
|
}
|
|
|
|
// we might already have the tx that the peer
|
|
// sent in our pool, so don't verify again..
|
|
if(!m_core.get_pool_transaction(tx_hash, tx))
|
|
{
|
|
MDEBUG("Incoming tx " << tx_hash << " not in pool, adding");
|
|
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
|
|
if(!m_core.handle_incoming_tx(tx_blob, tvc, true, true, false) || tvc.m_verifivation_failed)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
|
|
//
|
|
// future todo:
|
|
// tx should only not be added to pool if verification failed, but
|
|
// maybe in the future could not be added for other reasons
|
|
// according to monero-moo so keep track of these separately ..
|
|
//
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR_CCONTEXT
|
|
(
|
|
"sent wrong tx: failed to parse and validate transaction: "
|
|
<< epee::string_tools::buff_to_hex_nodelimer(tx_blob)
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
// The initial size equality check could have been fooled if the sender
|
|
// gave us the number of transactions we asked for, but not the right
|
|
// ones. This check make sure the transactions we asked for were the
|
|
// ones we received.
|
|
if(context.m_requested_objects.size())
|
|
{
|
|
MERROR
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK: peer sent the number of transaction requested"
|
|
<< ", but not the actual transactions requested"
|
|
<< ", context.m_requested_objects.size() = " << context.m_requested_objects.size()
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
|
|
size_t tx_idx = 0;
|
|
for(auto& tx_hash: new_block.tx_hashes)
|
|
{
|
|
if(m_core.get_pool_transaction(tx_hash, tx))
|
|
{
|
|
have_tx.push_back(tx_to_blob(tx));
|
|
}
|
|
else
|
|
{
|
|
std::vector<crypto::hash> tx_ids;
|
|
std::list<transaction> txes;
|
|
std::list<crypto::hash> missing;
|
|
tx_ids.push_back(tx_hash);
|
|
if (m_core.get_transactions(tx_ids, txes, missing) && missing.empty())
|
|
{
|
|
have_tx.push_back(tx_to_blob(tx));
|
|
}
|
|
else
|
|
{
|
|
MDEBUG("Tx " << tx_hash << " not found in pool");
|
|
need_tx_indices.push_back(tx_idx);
|
|
}
|
|
}
|
|
|
|
++tx_idx;
|
|
}
|
|
|
|
if(!need_tx_indices.empty()) // drats, we don't have everything..
|
|
{
|
|
// request non-mempool txs
|
|
MDEBUG("We are missing " << need_tx_indices.size() << " txes for this fluffy block");
|
|
for (auto txidx: need_tx_indices)
|
|
MDEBUG(" tx " << new_block.tx_hashes[txidx]);
|
|
NOTIFY_REQUEST_FLUFFY_MISSING_TX::request missing_tx_req;
|
|
missing_tx_req.block_hash = get_block_hash(new_block);
|
|
missing_tx_req.hop = arg.hop;
|
|
missing_tx_req.current_blockchain_height = arg.current_blockchain_height;
|
|
missing_tx_req.missing_tx_indices = std::move(need_tx_indices);
|
|
|
|
m_core.resume_mine();
|
|
post_notify<NOTIFY_REQUEST_FLUFFY_MISSING_TX>(missing_tx_req, context);
|
|
}
|
|
else // whoo-hoo we've got em all ..
|
|
{
|
|
MDEBUG("We have all needed txes for this fluffy block");
|
|
|
|
block_complete_entry b;
|
|
b.block = arg.b.block;
|
|
b.txs = have_tx;
|
|
|
|
std::list<block_complete_entry> blocks;
|
|
blocks.push_back(b);
|
|
m_core.prepare_handle_incoming_blocks(blocks);
|
|
|
|
block_verification_context bvc = boost::value_initialized<block_verification_context>();
|
|
m_core.handle_incoming_block(arg.b.block, bvc); // got block from handle_notify_new_block
|
|
m_core.cleanup_handle_incoming_blocks(true);
|
|
m_core.resume_mine();
|
|
|
|
if( bvc.m_verifivation_failed )
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
if( bvc.m_added_to_main_chain )
|
|
{
|
|
++arg.hop;
|
|
//TODO: Add here announce protocol usage
|
|
NOTIFY_NEW_BLOCK::request reg_arg = AUTO_VAL_INIT(reg_arg);
|
|
reg_arg.hop = arg.hop;
|
|
reg_arg.current_blockchain_height = arg.current_blockchain_height;
|
|
reg_arg.b.block = b.block;
|
|
relay_block(reg_arg, context);
|
|
}
|
|
else if( bvc.m_marked_as_orphaned )
|
|
{
|
|
context.m_state = cryptonote_connection_context::state_synchronizing;
|
|
NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
|
|
m_core.get_short_chain_history(r.block_ids);
|
|
LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() );
|
|
post_notify<NOTIFY_REQUEST_CHAIN>(r, context);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR_CCONTEXT
|
|
(
|
|
"sent wrong block: failed to parse and validate block: "
|
|
<< epee::string_tools::buff_to_hex_nodelimer(arg.b.block)
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_core.resume_mine();
|
|
m_p2p->drop_connection(context);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_request_fluffy_missing_tx(int command, NOTIFY_REQUEST_FLUFFY_MISSING_TX::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_REQUEST_FLUFFY_MISSING_TX (" << arg.missing_tx_indices.size() << " txes), block hash " << arg.block_hash);
|
|
|
|
std::list<std::pair<cryptonote::blobdata, block>> local_blocks;
|
|
std::list<cryptonote::blobdata> local_txs;
|
|
|
|
block b;
|
|
if (!m_core.get_block_by_hash(arg.block_hash, b))
|
|
{
|
|
LOG_ERROR_CCONTEXT("failed to find block: " << arg.block_hash << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
|
|
for (auto txidx: arg.missing_tx_indices)
|
|
MDEBUG(" tx " << b.tx_hashes[txidx]);
|
|
|
|
std::vector<crypto::hash> txids;
|
|
NOTIFY_NEW_FLUFFY_BLOCK::request fluffy_response;
|
|
fluffy_response.b.block = t_serializable_object_to_blob(b);
|
|
fluffy_response.current_blockchain_height = arg.current_blockchain_height;
|
|
fluffy_response.hop = arg.hop;
|
|
for(auto& tx_idx: arg.missing_tx_indices)
|
|
{
|
|
if(tx_idx < b.tx_hashes.size())
|
|
{
|
|
txids.push_back(b.tx_hashes[tx_idx]);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR_CCONTEXT
|
|
(
|
|
"Failed to handle request NOTIFY_REQUEST_FLUFFY_MISSING_TX"
|
|
<< ", request is asking for a tx whose index is out of bounds "
|
|
<< ", tx index = " << tx_idx << ", block tx count " << b.tx_hashes.size()
|
|
<< ", block_height = " << arg.current_blockchain_height
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
std::list<cryptonote::transaction> txs;
|
|
std::list<crypto::hash> missed;
|
|
if (!m_core.get_transactions(txids, txs, missed))
|
|
{
|
|
LOG_ERROR_CCONTEXT("Failed to handle request NOTIFY_REQUEST_FLUFFY_MISSING_TX, "
|
|
<< "failed to get requested transactions");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
if (!missed.empty() || txs.size() != txids.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("Failed to handle request NOTIFY_REQUEST_FLUFFY_MISSING_TX, "
|
|
<< missed.size() << " requested transactions not found" << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
|
|
for(auto& tx: txs)
|
|
{
|
|
fluffy_response.b.txs.push_back(t_serializable_object_to_blob(tx));
|
|
}
|
|
|
|
LOG_PRINT_CCONTEXT_L2
|
|
(
|
|
"-->>NOTIFY_RESPONSE_FLUFFY_MISSING_TX: "
|
|
<< ", txs.size()=" << fluffy_response.b.txs.size()
|
|
<< ", rsp.current_blockchain_height=" << fluffy_response.current_blockchain_height
|
|
);
|
|
|
|
post_notify<NOTIFY_NEW_FLUFFY_BLOCK>(fluffy_response, context);
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_TRANSACTIONS (" << arg.txs.size() << " txes)");
|
|
if(context.m_state != cryptonote_connection_context::state_normal)
|
|
return 1;
|
|
|
|
for(auto tx_blob_it = arg.txs.begin(); tx_blob_it!=arg.txs.end();)
|
|
{
|
|
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
|
|
m_core.handle_incoming_tx(*tx_blob_it, tvc, false, true, false);
|
|
if(tvc.m_verifivation_failed)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1("Tx verification failed, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
if(tvc.m_should_be_relayed)
|
|
++tx_blob_it;
|
|
else
|
|
arg.txs.erase(tx_blob_it++);
|
|
}
|
|
|
|
if(arg.txs.size())
|
|
{
|
|
//TODO: add announce usage here
|
|
relay_transactions(arg, context);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_request_get_objects(int command, NOTIFY_REQUEST_GET_OBJECTS::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_REQUEST_GET_OBJECTS (" << arg.blocks.size() << " blocks, " << arg.txs.size() << " txes)");
|
|
NOTIFY_RESPONSE_GET_OBJECTS::request rsp;
|
|
if(!m_core.handle_get_objects(arg, rsp, context))
|
|
{
|
|
LOG_ERROR_CCONTEXT("failed to handle request NOTIFY_REQUEST_GET_OBJECTS, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
}
|
|
LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_RESPONSE_GET_OBJECTS: blocks.size()=" << rsp.blocks.size() << ", txs.size()=" << rsp.txs.size()
|
|
<< ", rsp.m_current_blockchain_height=" << rsp.current_blockchain_height << ", missed_ids.size()=" << rsp.missed_ids.size());
|
|
post_notify<NOTIFY_RESPONSE_GET_OBJECTS>(rsp, context);
|
|
//handler_response_blocks_now(sizeof(rsp)); // XXX
|
|
//handler_response_blocks_now(200);
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
|
|
|
|
template<class t_core>
|
|
double t_cryptonote_protocol_handler<t_core>::get_avg_block_size() {
|
|
// return m_core.get_blockchain_storage().get_avg_block_size(count); // this does not count too well the actuall network-size of data we need to download
|
|
|
|
CRITICAL_REGION_LOCAL(m_buffer_mutex);
|
|
double avg = 0;
|
|
if (m_avg_buffer.size() == 0) {
|
|
_warn("m_avg_buffer.size() == 0");
|
|
return 500;
|
|
}
|
|
|
|
const bool dbg_poke_lock = 0; // debug: try to trigger an error by poking around with locks. TODO: configure option
|
|
long int dbg_repeat=0;
|
|
do {
|
|
for (auto element : m_avg_buffer) avg += element;
|
|
} while(dbg_poke_lock && (dbg_repeat++)<100000); // in debug/poke mode, repeat this calculation to trigger hidden locking error if there is one
|
|
return avg / m_avg_buffer.size();
|
|
}
|
|
|
|
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_response_get_objects(int command, NOTIFY_RESPONSE_GET_OBJECTS::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_RESPONSE_GET_OBJECTS (" << arg.blocks.size() << " blocks, " << arg.txs.size() << " txes)");
|
|
|
|
// calculate size of request - mainly for logging/debug
|
|
size_t size = 0;
|
|
for (auto element : arg.txs) size += element.size();
|
|
|
|
for (auto element : arg.blocks) {
|
|
size += element.block.size();
|
|
for (auto tx : element.txs)
|
|
size += tx.size();
|
|
}
|
|
|
|
for (auto element : arg.missed_ids)
|
|
size += sizeof(element.data);
|
|
|
|
size += sizeof(arg.current_blockchain_height);
|
|
{
|
|
CRITICAL_REGION_LOCAL(m_buffer_mutex);
|
|
m_avg_buffer.push_back(size);
|
|
|
|
const bool dbg_poke_lock = 0; // debug: try to trigger an error by poking around with locks. TODO: configure option
|
|
long int dbg_repeat=0;
|
|
do {
|
|
m_avg_buffer.push_back(666); // a test value
|
|
m_avg_buffer.erase_end(1);
|
|
} while(dbg_poke_lock && (dbg_repeat++)<100000); // in debug/poke mode, repeat this calculation to trigger hidden locking error if there is one
|
|
}
|
|
/*using namespace boost::chrono;
|
|
auto point = steady_clock::now();
|
|
auto time_from_epoh = point.time_since_epoch();
|
|
auto sec = duration_cast< seconds >( time_from_epoh ).count();*/
|
|
|
|
//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
|
|
|
|
if(context.m_last_response_height > arg.current_blockchain_height)
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: arg.m_current_blockchain_height=" << arg.current_blockchain_height
|
|
<< " < m_last_response_height=" << context.m_last_response_height << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
|
|
context.m_remote_blockchain_height = arg.current_blockchain_height;
|
|
|
|
size_t count = 0;
|
|
std::vector<crypto::hash> block_hashes;
|
|
block_hashes.reserve(arg.blocks.size());
|
|
for(const block_complete_entry& block_entry: arg.blocks)
|
|
{
|
|
if (m_stopping)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
++count;
|
|
block b;
|
|
if(!parse_and_validate_block_from_blob(block_entry.block, b))
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong block: failed to parse and validate block: "
|
|
<< epee::string_tools::buff_to_hex_nodelimer(block_entry.block) << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
//to avoid concurrency in core between connections, suspend connections which delivered block later then first one
|
|
const crypto::hash block_hash = get_block_hash(b);
|
|
if(count == 2)
|
|
{
|
|
if(m_core.have_block(block_hash))
|
|
{
|
|
context.m_state = cryptonote_connection_context::state_idle;
|
|
context.m_needed_objects.clear();
|
|
context.m_requested_objects.clear();
|
|
LOG_PRINT_CCONTEXT_L1("Connection set to idle state.");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
auto req_it = context.m_requested_objects.find(block_hash);
|
|
if(req_it == context.m_requested_objects.end())
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_GET_OBJECTS: block with id=" << epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block))
|
|
<< " wasn't requested, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
if(b.tx_hashes.size() != block_entry.txs.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_GET_OBJECTS: block with id=" << epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block))
|
|
<< ", tx_hashes.size()=" << b.tx_hashes.size() << " mismatch with block_complete_entry.m_txs.size()=" << block_entry.txs.size() << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
|
|
context.m_requested_objects.erase(req_it);
|
|
block_hashes.push_back(block_hash);
|
|
}
|
|
|
|
if(context.m_requested_objects.size())
|
|
{
|
|
MERROR("returned not all requested objects (context.m_requested_objects.size()="
|
|
<< context.m_requested_objects.size() << "), dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
|
|
|
|
{
|
|
MLOG_YELLOW(el::Level::Debug, "Got NEW BLOCKS inside of " << __FUNCTION__ << ": size: " << arg.blocks.size());
|
|
|
|
if (m_core.get_test_drop_download() && m_core.get_test_drop_download_height()) { // DISCARD BLOCKS for testing
|
|
|
|
// we lock all the rest to avoid having multiple connections redo a lot
|
|
// of the same work, and one of them doing it for nothing: subsequent
|
|
// connections will wait until the current one's added its blocks, then
|
|
// will add any extra it has, if any
|
|
CRITICAL_REGION_LOCAL(m_sync_lock);
|
|
|
|
m_core.pause_mine();
|
|
epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler(
|
|
boost::bind(&t_core::resume_mine, &m_core));
|
|
|
|
const uint64_t previous_height = m_core.get_current_blockchain_height();
|
|
|
|
// dismiss what another connection might already have done (likely everything)
|
|
uint64_t top_height;
|
|
crypto::hash top_hash;
|
|
if (m_core.get_blockchain_top(top_height, top_hash)) {
|
|
uint64_t dismiss = 1;
|
|
for (const auto &h: block_hashes) {
|
|
if (top_hash == h) {
|
|
LOG_DEBUG_CC(context, "Found current top block in synced blocks, dismissing "
|
|
<< dismiss << "/" << arg.blocks.size() << " blocks");
|
|
while (dismiss--)
|
|
arg.blocks.pop_front();
|
|
break;
|
|
}
|
|
++dismiss;
|
|
}
|
|
}
|
|
|
|
if (arg.blocks.empty())
|
|
goto skip;
|
|
|
|
m_core.prepare_handle_incoming_blocks(arg.blocks);
|
|
|
|
for(const block_complete_entry& block_entry: arg.blocks)
|
|
{
|
|
if (m_stopping)
|
|
{
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
return 1;
|
|
}
|
|
|
|
// process transactions
|
|
TIME_MEASURE_START(transactions_process_time);
|
|
for(auto& tx_blob: block_entry.txs)
|
|
{
|
|
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
|
|
m_core.handle_incoming_tx(tx_blob, tvc, true, true, false);
|
|
if(tvc.m_verifivation_failed)
|
|
{
|
|
LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, tx_id = "
|
|
<< epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)) << ", dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
return 1;
|
|
}
|
|
}
|
|
TIME_MEASURE_FINISH(transactions_process_time);
|
|
|
|
// process block
|
|
|
|
TIME_MEASURE_START(block_process_time);
|
|
block_verification_context bvc = boost::value_initialized<block_verification_context>();
|
|
|
|
m_core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block
|
|
|
|
if(bvc.m_verifivation_failed)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_p2p->add_ip_fail(context.m_remote_ip);
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
return 1;
|
|
}
|
|
if(bvc.m_marked_as_orphaned)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1("Block received at sync phase was marked as orphaned, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_p2p->add_ip_fail(context.m_remote_ip);
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
return 1;
|
|
}
|
|
|
|
TIME_MEASURE_FINISH(block_process_time);
|
|
LOG_PRINT_CCONTEXT_L2("Block process time: " << block_process_time + transactions_process_time << "(" << transactions_process_time << "/" << block_process_time << ")ms");
|
|
|
|
} // each download block
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
|
|
if (m_core.get_current_blockchain_height() > previous_height)
|
|
{
|
|
MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height());
|
|
}
|
|
} // if not DISCARD BLOCK
|
|
|
|
|
|
}
|
|
skip:
|
|
request_missing_objects(context, true);
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::on_idle()
|
|
{
|
|
return m_core.on_idle();
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_request_chain(int command, NOTIFY_REQUEST_CHAIN::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_REQUEST_CHAIN (" << arg.block_ids.size() << " blocks");
|
|
NOTIFY_RESPONSE_CHAIN_ENTRY::request r;
|
|
if(!m_core.find_blockchain_supplement(arg.block_ids, r))
|
|
{
|
|
LOG_ERROR_CCONTEXT("Failed to handle NOTIFY_REQUEST_CHAIN.");
|
|
m_p2p->drop_connection(context);
|
|
return 1;
|
|
}
|
|
LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_RESPONSE_CHAIN_ENTRY: m_start_height=" << r.start_height << ", m_total_height=" << r.total_height << ", m_block_ids.size()=" << r.m_block_ids.size());
|
|
post_notify<NOTIFY_RESPONSE_CHAIN_ENTRY>(r, context);
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks)
|
|
{
|
|
//if (!m_one_request == false)
|
|
//return true;
|
|
m_one_request = false;
|
|
// save request size to log (dr monero)
|
|
/*using namespace boost::chrono;
|
|
auto point = steady_clock::now();
|
|
auto time_from_epoh = point.time_since_epoch();
|
|
auto sec = duration_cast< seconds >( time_from_epoh ).count();*/
|
|
|
|
if(context.m_needed_objects.size())
|
|
{
|
|
//we know objects that we need, request this objects
|
|
NOTIFY_REQUEST_GET_OBJECTS::request req;
|
|
size_t count = 0;
|
|
auto it = context.m_needed_objects.begin();
|
|
|
|
const size_t count_limit = m_core.get_block_sync_size();
|
|
MDEBUG("Setting count_limit: " << count_limit);
|
|
while(it != context.m_needed_objects.end() && count < count_limit)
|
|
{
|
|
if( !(check_having_blocks && m_core.have_block(*it)))
|
|
{
|
|
req.blocks.push_back(*it);
|
|
++count;
|
|
context.m_requested_objects.insert(*it);
|
|
}
|
|
context.m_needed_objects.erase(it++);
|
|
}
|
|
LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size() << ", txs.size()=" << req.txs.size()
|
|
<< "requested blocks count=" << count << " / " << count_limit);
|
|
//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
|
|
|
|
post_notify<NOTIFY_REQUEST_GET_OBJECTS>(req, context);
|
|
}else if(context.m_last_response_height < context.m_remote_blockchain_height-1)
|
|
{//we have to fetch more objects ids, request blockchain entry
|
|
|
|
NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
|
|
m_core.get_short_chain_history(r.block_ids);
|
|
handler_request_blocks_history( r.block_ids ); // change the limit(?), sleep(?)
|
|
|
|
//std::string blob; // for calculate size of request
|
|
//epee::serialization::store_t_to_binary(r, blob);
|
|
//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
|
|
LOG_PRINT_CCONTEXT_L1("r = " << 200);
|
|
|
|
LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() );
|
|
post_notify<NOTIFY_REQUEST_CHAIN>(r, context);
|
|
}else
|
|
{
|
|
CHECK_AND_ASSERT_MES(context.m_last_response_height == context.m_remote_blockchain_height-1
|
|
&& !context.m_needed_objects.size()
|
|
&& !context.m_requested_objects.size(), false, "request_missing_blocks final condition failed!"
|
|
<< "\r\nm_last_response_height=" << context.m_last_response_height
|
|
<< "\r\nm_remote_blockchain_height=" << context.m_remote_blockchain_height
|
|
<< "\r\nm_needed_objects.size()=" << context.m_needed_objects.size()
|
|
<< "\r\nm_requested_objects.size()=" << context.m_requested_objects.size()
|
|
<< "\r\non connection [" << epee::net_utils::print_connection_context_short(context)<< "]");
|
|
|
|
context.m_state = cryptonote_connection_context::state_normal;
|
|
MGINFO_GREEN("SYNCHRONIZED OK");
|
|
on_connection_synchronized();
|
|
}
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::on_connection_synchronized()
|
|
{
|
|
bool val_expected = false;
|
|
if(m_synchronized.compare_exchange_strong(val_expected, true))
|
|
{
|
|
MGINFO_YELLOW(ENDL << "**********************************************************************" << ENDL
|
|
<< "You are now synchronized with the network. You may now start monero-wallet-cli." << ENDL
|
|
<< ENDL
|
|
<< "Use the \"help\" command to see the list of available commands." << ENDL
|
|
<< "**********************************************************************");
|
|
m_core.on_synchronized();
|
|
}
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
size_t t_cryptonote_protocol_handler<t_core>::get_synchronizing_connections_count()
|
|
{
|
|
size_t count = 0;
|
|
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id)->bool{
|
|
if(context.m_state == cryptonote_connection_context::state_synchronizing)
|
|
++count;
|
|
return true;
|
|
});
|
|
return count;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::handle_response_chain_entry(int command, NOTIFY_RESPONSE_CHAIN_ENTRY::request& arg, cryptonote_connection_context& context)
|
|
{
|
|
MLOG_P2P_MESSAGE("Received NOTIFY_RESPONSE_CHAIN_ENTRY: m_block_ids.size()=" << arg.m_block_ids.size()
|
|
<< ", m_start_height=" << arg.start_height << ", m_total_height=" << arg.total_height);
|
|
|
|
if(!arg.m_block_ids.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent empty m_block_ids, dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_p2p->add_ip_fail(context.m_remote_ip);
|
|
return 1;
|
|
}
|
|
|
|
if(!m_core.have_block(arg.m_block_ids.front()))
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent m_block_ids starting from unknown id: "
|
|
<< epee::string_tools::pod_to_hex(arg.m_block_ids.front()) << " , dropping connection");
|
|
m_p2p->drop_connection(context);
|
|
m_p2p->add_ip_fail(context.m_remote_ip);
|
|
return 1;
|
|
}
|
|
|
|
context.m_remote_blockchain_height = arg.total_height;
|
|
context.m_last_response_height = arg.start_height + arg.m_block_ids.size()-1;
|
|
if(context.m_last_response_height > context.m_remote_blockchain_height)
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_CHAIN_ENTRY, with m_total_height=" << arg.total_height
|
|
<< ", m_start_height=" << arg.start_height
|
|
<< ", m_block_ids.size()=" << arg.m_block_ids.size());
|
|
m_p2p->drop_connection(context);
|
|
}
|
|
|
|
for(auto& bl_id: arg.m_block_ids)
|
|
{
|
|
if(!m_core.have_block(bl_id))
|
|
context.m_needed_objects.push_back(bl_id);
|
|
}
|
|
|
|
request_missing_objects(context, false);
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::relay_block(NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& exclude_context)
|
|
{
|
|
NOTIFY_NEW_FLUFFY_BLOCK::request fluffy_arg = AUTO_VAL_INIT(fluffy_arg);
|
|
fluffy_arg.hop = arg.hop;
|
|
fluffy_arg.current_blockchain_height = arg.current_blockchain_height;
|
|
std::list<blobdata> fluffy_txs;
|
|
fluffy_arg.b = arg.b;
|
|
fluffy_arg.b.txs = fluffy_txs;
|
|
|
|
// pre-serialize them
|
|
std::string fullBlob, fluffyBlob;
|
|
epee::serialization::store_t_to_binary(arg, fullBlob);
|
|
epee::serialization::store_t_to_binary(fluffy_arg, fluffyBlob);
|
|
|
|
// sort peers between fluffy ones and others
|
|
std::list<boost::uuids::uuid> fullConnections, fluffyConnections;
|
|
m_p2p->for_each_connection([this, &arg, &fluffy_arg, &exclude_context, &fullConnections, &fluffyConnections](connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)
|
|
{
|
|
if (peer_id && exclude_context.m_connection_id != context.m_connection_id)
|
|
{
|
|
if(m_core.get_testnet() && (support_flags & P2P_SUPPORT_FLAG_FLUFFY_BLOCKS))
|
|
{
|
|
LOG_DEBUG_CC(context, "PEER SUPPORTS FLUFFY BLOCKS - RELAYING THIN/COMPACT WHATEVER BLOCK");
|
|
fluffyConnections.push_back(context.m_connection_id);
|
|
}
|
|
else
|
|
{
|
|
LOG_DEBUG_CC(context, "PEER DOESN'T SUPPORT FLUFFY BLOCKS - RELAYING FULL BLOCK");
|
|
fullConnections.push_back(context.m_connection_id);
|
|
}
|
|
}
|
|
return true;
|
|
});
|
|
|
|
// send fluffy ones first, we want to encourage people to run that
|
|
m_p2p->relay_notify_to_list(NOTIFY_NEW_FLUFFY_BLOCK::ID, fluffyBlob, fluffyConnections);
|
|
m_p2p->relay_notify_to_list(NOTIFY_NEW_BLOCK::ID, fullBlob, fullConnections);
|
|
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::relay_transactions(NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& exclude_context)
|
|
{
|
|
// no check for success, so tell core they're relayed unconditionally
|
|
for(auto tx_blob_it = arg.txs.begin(); tx_blob_it!=arg.txs.end(); ++tx_blob_it)
|
|
m_core.on_transaction_relayed(*tx_blob_it);
|
|
return relay_post_notify<NOTIFY_NEW_TRANSACTIONS>(arg, exclude_context);
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
void t_cryptonote_protocol_handler<t_core>::stop()
|
|
{
|
|
m_stopping = true;
|
|
m_core.stop();
|
|
}
|
|
} // namespace
|