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1817 lines
78 KiB
1817 lines
78 KiB
/// @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 original cryptonote protocol network-events handler, modified by us
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// Copyright (c) 2014-2019, 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 <ctime>
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#include "cryptonote_basic/cryptonote_format_utils.h"
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#include "profile_tools.h"
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#include "net/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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#define BLOCK_QUEUE_NBLOCKS_THRESHOLD 10 // chunks of N blocks
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#define BLOCK_QUEUE_SIZE_THRESHOLD (100*1024*1024) // MB
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#define REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD (5 * 1000000) // microseconds
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#define IDLE_PEER_KICK_TIME (600 * 1000000) // microseconds
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#define PASSIVE_PEER_KICK_TIME (60 * 1000000) // microseconds
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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, bool offline):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(offline),
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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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else if(context.m_state == cryptonote_connection_context::state_standby)
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{
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context.m_state = cryptonote_connection_context::state_synchronizing;
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try_add_next_blocks(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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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 = cntxt.m_remote_address.is_local();
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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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cntxt.m_remote_address.str()
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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 << (cntxt.m_remote_address.is_loopback() ? "[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.address = cntxt.m_remote_address.str();
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cnx.host = cntxt.m_remote_address.host_str();
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cnx.ip = "";
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cnx.port = "";
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if (cntxt.m_remote_address.get_type_id() == epee::net_utils::ipv4_network_address::ID)
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{
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cnx.ip = cnx.host;
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cnx.port = std::to_string(cntxt.m_remote_address.as<epee::net_utils::ipv4_network_address>().port());
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}
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std::stringstream peer_id_str;
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peer_id_str << std::hex << std::setw(16) << 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 - std::max(cntxt.m_started, cntxt.m_last_recv);
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cnx.send_count = cntxt.m_send_cnt;
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cnx.send_idle_time = timestamp - std::max(cntxt.m_started, cntxt.m_last_send);
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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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cnx.localhost = cntxt.m_remote_address.is_loopback();
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cnx.local_ip = cntxt.m_remote_address.is_local();
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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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cnx.connection_id = epee::string_tools::pod_to_hex(cntxt.m_connection_id);
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cnx.height = cntxt.m_remote_blockchain_height;
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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_before_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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// from v6, if the peer advertises a top block version, reject if it's not what it should be (will only work if no voting)
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if (hshd.current_height > 0)
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{
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const uint8_t version = m_core.get_ideal_hard_fork_version(hshd.current_height - 1);
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if (version >= 6 && version != hshd.top_version)
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{
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if (version < hshd.top_version && version == m_core.get_ideal_hard_fork_version())
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MCLOG_RED(el::Level::Warning, "global", context << " peer claims higher version that we think (" <<
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(unsigned)hshd.top_version << " for " << (hshd.current_height - 1) << " instead of " << (unsigned)version <<
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") - we may be forked from the network and a software upgrade may be needed");
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return false;
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}
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}
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context.m_remote_blockchain_height = hshd.current_height;
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uint64_t target = m_core.get_target_blockchain_height();
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if (target == 0)
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target = m_core.get_current_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((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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uint64_t abs_diff = std::abs(diff);
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uint64_t max_block_height = std::max(hshd.current_height,m_core.get_current_blockchain_height());
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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 " << abs_diff << " blocks (" << (abs_diff / (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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if (hshd.current_height >= m_core.get_current_blockchain_height() + 5) // don't switch to unsafe mode just for a few blocks
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m_core.safesyncmode(false);
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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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//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.top_version = m_core.get_ideal_hard_fork_version(hshd.current_height);
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hshd.cumulative_difficulty = m_core.get_block_cumulative_difficulty(hshd.current_height);
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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 (" << 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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if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
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{
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LOG_DEBUG_CC(context, "Received new block while syncing, ignored");
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return 1;
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}
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m_core.pause_mine();
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std::vector<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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drop_connection(context, false, false);
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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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if (!m_core.cleanup_handle_incoming_blocks(true))
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{
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LOG_PRINT_CCONTEXT_L0("Failure in 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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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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drop_connection(context, true, false);
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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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//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 << ", " << arg.b.txs.size() << " txes)");
|
|
if(context.m_state != cryptonote_connection_context::state_normal)
|
|
return 1;
|
|
if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
|
|
{
|
|
LOG_DEBUG_CC(context, "Received new block while syncing, ignored");
|
|
return 1;
|
|
}
|
|
|
|
m_core.pause_mine();
|
|
|
|
block new_block;
|
|
transaction miner_tx;
|
|
if(parse_and_validate_block_from_blob(arg.b.block, new_block))
|
|
{
|
|
// This is a second notification, we must have asked for some missing tx
|
|
if(!context.m_requested_objects.empty())
|
|
{
|
|
// What we asked for != to what we received ..
|
|
if(context.m_requested_objects.size() != arg.b.txs.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK -> request/response mismatch, "
|
|
<< "block = " << epee::string_tools::pod_to_hex(get_blob_hash(arg.b.block))
|
|
<< ", requested = " << context.m_requested_objects.size()
|
|
<< ", received = " << new_block.tx_hashes.size()
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
std::vector<blobdata> have_tx;
|
|
|
|
// Instead of requesting missing transactions by hash like BTC,
|
|
// we do it by index (thanks to a suggestion from moneromooo) because
|
|
// we're way cooler .. and also because they're smaller than hashes.
|
|
//
|
|
// Also, remember to pepper some whitespace changes around to bother
|
|
// moneromooo ... only because I <3 him.
|
|
std::vector<uint64_t> need_tx_indices;
|
|
|
|
transaction tx;
|
|
crypto::hash tx_hash;
|
|
|
|
for(auto& tx_blob: arg.b.txs)
|
|
{
|
|
if(parse_and_validate_tx_from_blob(tx_blob, tx))
|
|
{
|
|
try
|
|
{
|
|
if(!get_transaction_hash(tx, tx_hash))
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK: get_transaction_hash failed"
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
}
|
|
catch(...)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1
|
|
(
|
|
"NOTIFY_NEW_FLUFFY_BLOCK: get_transaction_hash failed"
|
|
<< ", exception thrown"
|
|
<< ", dropping connection"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
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"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
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.pool_has_tx(tx_hash))
|
|
{
|
|
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");
|
|
drop_connection(context, false, false);
|
|
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"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
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"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
|
|
size_t tx_idx = 0;
|
|
for(auto& tx_hash: new_block.tx_hashes)
|
|
{
|
|
cryptonote::blobdata txblob;
|
|
if(m_core.get_pool_transaction(tx_hash, txblob))
|
|
{
|
|
have_tx.push_back(txblob);
|
|
}
|
|
else
|
|
{
|
|
std::vector<crypto::hash> tx_ids;
|
|
std::vector<transaction> txes;
|
|
std::vector<crypto::hash> missing;
|
|
tx_ids.push_back(tx_hash);
|
|
if (m_core.get_transactions(tx_ids, txes, missing) && missing.empty())
|
|
{
|
|
if (txes.size() == 1)
|
|
{
|
|
have_tx.push_back(tx_to_blob(txes.front()));
|
|
}
|
|
else
|
|
{
|
|
MERROR("1 tx requested, none not found, but " << txes.size() << " returned");
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
}
|
|
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.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::vector<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
|
|
if (!m_core.cleanup_handle_incoming_blocks(true))
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
|
|
m_core.resume_mine();
|
|
return 1;
|
|
}
|
|
m_core.resume_mine();
|
|
|
|
if( bvc.m_verifivation_failed )
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection");
|
|
drop_connection(context, true, false);
|
|
return 1;
|
|
}
|
|
if( bvc.m_added_to_main_chain )
|
|
{
|
|
//TODO: Add here announce protocol usage
|
|
NOTIFY_NEW_BLOCK::request reg_arg = AUTO_VAL_INIT(reg_arg);
|
|
reg_arg.current_blockchain_height = arg.current_blockchain_height;
|
|
reg_arg.b = b;
|
|
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();
|
|
drop_connection(context, false, false);
|
|
|
|
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::vector<std::pair<cryptonote::blobdata, block>> local_blocks;
|
|
std::vector<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");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
|
|
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;
|
|
for(auto& tx_idx: arg.missing_tx_indices)
|
|
{
|
|
if(tx_idx < b.tx_hashes.size())
|
|
{
|
|
MDEBUG(" tx " << b.tx_hashes[tx_idx]);
|
|
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"
|
|
);
|
|
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
std::vector<cryptonote::transaction> txs;
|
|
std::vector<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");
|
|
drop_connection(context, false, false);
|
|
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");
|
|
drop_connection(context, false, false);
|
|
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;
|
|
|
|
// while syncing, core will lock for a long time, so we ignore
|
|
// those txes as they aren't really needed anyway, and avoid a
|
|
// long block before replying
|
|
if(!is_synchronized())
|
|
{
|
|
LOG_DEBUG_CC(context, "Received new tx while syncing, ignored");
|
|
return 1;
|
|
}
|
|
|
|
std::vector<cryptonote::blobdata> newtxs;
|
|
newtxs.reserve(arg.txs.size());
|
|
for (size_t i = 0; i < arg.txs.size(); ++i)
|
|
{
|
|
cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc);
|
|
m_core.handle_incoming_tx(arg.txs[i], tvc, false, true, false);
|
|
if(tvc.m_verifivation_failed)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L1("Tx verification failed, dropping connection");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
if(tvc.m_should_be_relayed)
|
|
newtxs.push_back(std::move(arg.txs[i]));
|
|
}
|
|
arg.txs = std::move(newtxs);
|
|
|
|
if(arg.txs.size())
|
|
{
|
|
//TODO: add announce usage here
|
|
relay_transactions(arg, context);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
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");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
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()
|
|
{
|
|
CRITICAL_REGION_LOCAL(m_buffer_mutex);
|
|
if (m_avg_buffer.empty()) {
|
|
MWARNING("m_avg_buffer.size() == 0");
|
|
return 500;
|
|
}
|
|
double avg = 0;
|
|
for (const auto &element : m_avg_buffer) avg += element;
|
|
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
|
|
size_t size = 0;
|
|
for (const auto &element : arg.txs) size += element.size();
|
|
|
|
size_t blocks_size = 0;
|
|
for (const auto &element : arg.blocks) {
|
|
blocks_size += element.block.size();
|
|
for (const auto &tx : element.txs)
|
|
blocks_size += tx.size();
|
|
}
|
|
size += blocks_size;
|
|
|
|
for (const 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);
|
|
}
|
|
MDEBUG(context << " downloaded " << size << " bytes worth of blocks");
|
|
|
|
/*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");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
|
|
context.m_remote_blockchain_height = arg.current_blockchain_height;
|
|
if (context.m_remote_blockchain_height > m_core.get_target_blockchain_height())
|
|
m_core.set_target_blockchain_height(context.m_remote_blockchain_height);
|
|
|
|
std::vector<crypto::hash> block_hashes;
|
|
block_hashes.reserve(arg.blocks.size());
|
|
const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
|
|
uint64_t start_height = std::numeric_limits<uint64_t>::max();
|
|
cryptonote::block b;
|
|
for(const block_complete_entry& block_entry: arg.blocks)
|
|
{
|
|
if (m_stopping)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
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");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
if (b.miner_tx.vin.size() != 1 || b.miner_tx.vin.front().type() != typeid(txin_gen))
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent wrong block: block: miner tx does not have exactly one txin_gen input"
|
|
<< epee::string_tools::buff_to_hex_nodelimer(block_entry.block) << ", dropping connection");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
if (start_height == std::numeric_limits<uint64_t>::max())
|
|
start_height = boost::get<txin_gen>(b.miner_tx.vin[0]).height;
|
|
|
|
const crypto::hash block_hash = get_block_hash(b);
|
|
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");
|
|
drop_connection(context, false, false);
|
|
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");
|
|
drop_connection(context, false, false);
|
|
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");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
|
|
// get the last parsed block, which should be the highest one
|
|
const crypto::hash last_block_hash = cryptonote::get_block_hash(b);
|
|
if(m_core.have_block(last_block_hash))
|
|
{
|
|
const uint64_t subchain_height = start_height + arg.blocks.size();
|
|
LOG_DEBUG_CC(context, "These are old blocks, ignoring: blocks " << start_height << " - " << (subchain_height-1) << ", blockchain height " << m_core.get_current_blockchain_height());
|
|
m_block_queue.remove_spans(context.m_connection_id, start_height);
|
|
goto skip;
|
|
}
|
|
|
|
{
|
|
MLOG_YELLOW(el::Level::Debug, context << " Got NEW BLOCKS inside of " << __FUNCTION__ << ": size: " << arg.blocks.size()
|
|
<< ", blocks: " << start_height << " - " << (start_height + arg.blocks.size() - 1));
|
|
|
|
// add that new span to the block queue
|
|
const boost::posix_time::time_duration dt = now - context.m_last_request_time;
|
|
const float rate = size * 1e6 / (dt.total_microseconds() + 1);
|
|
MDEBUG(context << " adding span: " << arg.blocks.size() << " at height " << start_height << ", " << dt.total_microseconds()/1e6 << " seconds, " << (rate/1e3) << " kB/s, size now " << (m_block_queue.get_data_size() + blocks_size) / 1048576.f << " MB");
|
|
m_block_queue.add_blocks(start_height, arg.blocks, context.m_connection_id, rate, blocks_size);
|
|
|
|
context.m_last_known_hash = last_block_hash;
|
|
|
|
if (!m_core.get_test_drop_download() || !m_core.get_test_drop_download_height()) { // DISCARD BLOCKS for testing
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
skip:
|
|
try_add_next_blocks(context);
|
|
return 1;
|
|
}
|
|
|
|
template<class t_core>
|
|
int t_cryptonote_protocol_handler<t_core>::try_add_next_blocks(cryptonote_connection_context& context)
|
|
{
|
|
bool force_next_span = false;
|
|
|
|
{
|
|
// We try to lock the sync lock. If we can, it means no other thread is
|
|
// currently adding blocks, so we do that for as long as we can from the
|
|
// block queue. Then, we go back to download.
|
|
const boost::unique_lock<boost::mutex> sync{m_sync_lock, boost::try_to_lock};
|
|
if (!sync.owns_lock())
|
|
{
|
|
MINFO("Failed to lock m_sync_lock, going back to download");
|
|
goto skip;
|
|
}
|
|
MDEBUG(context << " lock m_sync_lock, adding blocks to chain...");
|
|
|
|
{
|
|
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));
|
|
|
|
while (1)
|
|
{
|
|
const uint64_t previous_height = m_core.get_current_blockchain_height();
|
|
uint64_t start_height;
|
|
std::vector<cryptonote::block_complete_entry> blocks;
|
|
boost::uuids::uuid span_connection_id;
|
|
if (!m_block_queue.get_next_span(start_height, blocks, span_connection_id))
|
|
{
|
|
MDEBUG(context << " no next span found, going back to download");
|
|
break;
|
|
}
|
|
MDEBUG(context << " next span in the queue has blocks " << start_height << "-" << (start_height + blocks.size() - 1)
|
|
<< ", we need " << previous_height);
|
|
|
|
if (blocks.empty())
|
|
{
|
|
MERROR("Next span has no blocks");
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
break;
|
|
}
|
|
|
|
block new_block;
|
|
if (!parse_and_validate_block_from_blob(blocks.front().block, new_block))
|
|
{
|
|
MERROR("Failed to parse block, but it should already have been parsed");
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
break;
|
|
}
|
|
bool parent_known = m_core.have_block(new_block.prev_id);
|
|
if (!parent_known)
|
|
{
|
|
// it could be:
|
|
// - later in the current chain
|
|
// - later in an alt chain
|
|
// - orphan
|
|
// if it was requested, then it'll be resolved later, otherwise it's an orphan
|
|
bool parent_requested = m_block_queue.requested(new_block.prev_id);
|
|
if (!parent_requested)
|
|
{
|
|
// this can happen if a connection was sicced onto a late span, if it did not have those blocks,
|
|
// since we don't know that at the sic time
|
|
LOG_ERROR_CCONTEXT("Got block with unknown parent which was not requested - querying block hashes");
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
context.m_needed_objects.clear();
|
|
context.m_last_response_height = 0;
|
|
goto skip;
|
|
}
|
|
|
|
// parent was requested, so we wait for it to be retrieved
|
|
MINFO(context << " parent was requested, we'll get back to it");
|
|
break;
|
|
}
|
|
|
|
const boost::posix_time::ptime start = boost::posix_time::microsec_clock::universal_time();
|
|
context.m_last_request_time = start;
|
|
|
|
m_core.prepare_handle_incoming_blocks(blocks);
|
|
|
|
uint64_t block_process_time_full = 0, transactions_process_time_full = 0;
|
|
size_t num_txs = 0;
|
|
for(const block_complete_entry& block_entry: blocks)
|
|
{
|
|
if (m_stopping)
|
|
{
|
|
m_core.cleanup_handle_incoming_blocks();
|
|
return 1;
|
|
}
|
|
|
|
// process transactions
|
|
TIME_MEASURE_START(transactions_process_time);
|
|
num_txs += block_entry.txs.size();
|
|
std::vector<tx_verification_context> tvc;
|
|
m_core.handle_incoming_txs(block_entry.txs, tvc, true, true, false);
|
|
if (tvc.size() != block_entry.txs.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("Internal error: tvc.size() != block_entry.txs.size()");
|
|
return 1;
|
|
}
|
|
std::vector<blobdata>::const_iterator it = block_entry.txs.begin();
|
|
for (size_t i = 0; i < tvc.size(); ++i, ++it)
|
|
{
|
|
if(tvc[i].m_verifivation_failed)
|
|
{
|
|
if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{
|
|
cryptonote::transaction tx;
|
|
parse_and_validate_tx_from_blob(*it, tx); // must succeed if we got here
|
|
LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, tx_id = "
|
|
<< epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(tx)) << ", dropping connection");
|
|
drop_connection(context, false, true);
|
|
return 1;
|
|
}))
|
|
LOG_ERROR_CCONTEXT("span connection id not found");
|
|
|
|
if (!m_core.cleanup_handle_incoming_blocks())
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
|
|
return 1;
|
|
}
|
|
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
return 1;
|
|
}
|
|
}
|
|
TIME_MEASURE_FINISH(transactions_process_time);
|
|
transactions_process_time_full += 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)
|
|
{
|
|
if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{
|
|
LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection");
|
|
drop_connection(context, true, true);
|
|
return 1;
|
|
}))
|
|
LOG_ERROR_CCONTEXT("span connection id not found");
|
|
|
|
if (!m_core.cleanup_handle_incoming_blocks())
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
|
|
return 1;
|
|
}
|
|
|
|
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
return 1;
|
|
}
|
|
if(bvc.m_marked_as_orphaned)
|
|
{
|
|
if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{
|
|
LOG_PRINT_CCONTEXT_L1("Block received at sync phase was marked as orphaned, dropping connection");
|
|
drop_connection(context, true, true);
|
|
return 1;
|
|
}))
|
|
LOG_ERROR_CCONTEXT("span connection id not found");
|
|
|
|
if (!m_core.cleanup_handle_incoming_blocks())
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
|
|
return 1;
|
|
}
|
|
|
|
// in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
return 1;
|
|
}
|
|
|
|
TIME_MEASURE_FINISH(block_process_time);
|
|
block_process_time_full += block_process_time;
|
|
|
|
} // each download block
|
|
|
|
MCINFO("sync-info", "Block process time (" << blocks.size() << " blocks, " << num_txs << " txs): " << block_process_time_full + transactions_process_time_full << " (" << transactions_process_time_full << "/" << block_process_time_full << ") ms");
|
|
|
|
if (!m_core.cleanup_handle_incoming_blocks())
|
|
{
|
|
LOG_PRINT_CCONTEXT_L0("Failure in cleanup_handle_incoming_blocks");
|
|
return 1;
|
|
}
|
|
|
|
m_block_queue.remove_spans(span_connection_id, start_height);
|
|
|
|
if (m_core.get_current_blockchain_height() > previous_height)
|
|
{
|
|
const boost::posix_time::time_duration dt = boost::posix_time::microsec_clock::universal_time() - start;
|
|
std::string timing_message = "";
|
|
if (ELPP->vRegistry()->allowed(el::Level::Info, "sync-info"))
|
|
timing_message = std::string(" (") + std::to_string(dt.total_microseconds()/1e6) + " sec, "
|
|
+ std::to_string((m_core.get_current_blockchain_height() - previous_height) * 1e6 / dt.total_microseconds())
|
|
+ " blocks/sec), " + std::to_string(m_block_queue.get_data_size() / 1048576.f) + " MB queued";
|
|
if (ELPP->vRegistry()->allowed(el::Level::Debug, "sync-info"))
|
|
timing_message += std::string(": ") + m_block_queue.get_overview();
|
|
if(m_core.get_target_blockchain_height() == 0){
|
|
MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height()
|
|
<< timing_message);
|
|
} else {
|
|
const int completition_percent = (m_core.get_current_blockchain_height() * 100 / m_core.get_target_blockchain_height());
|
|
if(completition_percent < 99) {//printing completion percent only if % is < of 99 cause for 99 >= this is useless
|
|
MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height()
|
|
<< " (" << completition_percent << "% " << (m_core.get_target_blockchain_height() - m_core.get_current_blockchain_height())
|
|
<< " blocks remaining)" << timing_message);
|
|
} else {
|
|
MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height()
|
|
<< timing_message);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (should_download_next_span(context))
|
|
{
|
|
context.m_needed_objects.clear();
|
|
context.m_last_response_height = 0;
|
|
force_next_span = true;
|
|
}
|
|
}
|
|
|
|
skip:
|
|
if (!request_missing_objects(context, true, force_next_span))
|
|
{
|
|
LOG_ERROR_CCONTEXT("Failed to request missing objects, dropping connection");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
return 1;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::on_idle()
|
|
{
|
|
m_idle_peer_kicker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::kick_idle_peers, this));
|
|
m_standby_checker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::check_standby_peers, this));
|
|
return m_core.on_idle();
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::kick_idle_peers()
|
|
{
|
|
MTRACE("Checking for idle peers...");
|
|
std::vector<boost::uuids::uuid> kick_connections;
|
|
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool
|
|
{
|
|
if (context.m_state == cryptonote_connection_context::state_synchronizing || context.m_state == cryptonote_connection_context::state_before_handshake)
|
|
{
|
|
const bool passive = context.m_state == cryptonote_connection_context::state_before_handshake;
|
|
const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
|
|
const boost::posix_time::time_duration dt = now - context.m_last_request_time;
|
|
const int64_t threshold = passive ? PASSIVE_PEER_KICK_TIME : IDLE_PEER_KICK_TIME;
|
|
if (dt.total_microseconds() > threshold)
|
|
{
|
|
MINFO(context << " kicking " << (passive ? "passive" : "idle") << " peer");
|
|
kick_connections.push_back(context.m_connection_id);
|
|
}
|
|
}
|
|
return true;
|
|
});
|
|
for (const boost::uuids::uuid &conn_id: kick_connections)
|
|
{
|
|
m_p2p->for_connection(conn_id, [this](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags) {
|
|
drop_connection(context, false, false);
|
|
return true;
|
|
});
|
|
}
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::check_standby_peers()
|
|
{
|
|
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool
|
|
{
|
|
if (context.m_state == cryptonote_connection_context::state_standby)
|
|
{
|
|
LOG_PRINT_CCONTEXT_L2("requesting callback");
|
|
++context.m_callback_request_count;
|
|
m_p2p->request_callback(context);
|
|
}
|
|
return true;
|
|
});
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
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.");
|
|
drop_connection(context, false, false);
|
|
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>::should_download_next_span(cryptonote_connection_context& context) const
|
|
{
|
|
std::vector<crypto::hash> hashes;
|
|
boost::uuids::uuid span_connection_id;
|
|
boost::posix_time::ptime request_time;
|
|
std::pair<uint64_t, uint64_t> span;
|
|
|
|
span = m_block_queue.get_start_gap_span();
|
|
if (span.second > 0)
|
|
{
|
|
MDEBUG(context << " we should download it as there is a gap");
|
|
return true;
|
|
}
|
|
|
|
// if the next span is not scheduled (or there is none)
|
|
span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, request_time);
|
|
if (span.second == 0)
|
|
{
|
|
// we might be in a weird case where there is a filled next span,
|
|
// but it starts higher than the current height
|
|
uint64_t height;
|
|
std::vector<cryptonote::block_complete_entry> bcel;
|
|
if (!m_block_queue.get_next_span(height, bcel, span_connection_id, true))
|
|
return false;
|
|
if (height > m_core.get_current_blockchain_height())
|
|
{
|
|
MDEBUG(context << " we should download it as the next block isn't scheduled");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
// if it was scheduled by this particular peer
|
|
if (span_connection_id == context.m_connection_id)
|
|
return false;
|
|
|
|
float span_speed = m_block_queue.get_speed(span_connection_id);
|
|
float speed = m_block_queue.get_speed(context.m_connection_id);
|
|
MDEBUG(context << " next span is scheduled for " << span_connection_id << ", speed " << span_speed << ", ours " << speed);
|
|
|
|
// we try for that span too if:
|
|
// - we're substantially faster, or:
|
|
// - we're the fastest and the other one isn't (avoids a peer being waaaay slow but yet unmeasured)
|
|
// - the other one asked at least 5 seconds ago
|
|
if (span_speed < .25 && speed > .75f)
|
|
{
|
|
MDEBUG(context << " we should download it as we're substantially faster");
|
|
return true;
|
|
}
|
|
if (speed == 1.0f && span_speed != 1.0f)
|
|
{
|
|
MDEBUG(context << " we should download it as we're the fastest peer");
|
|
return true;
|
|
}
|
|
const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
|
|
if ((now - request_time).total_microseconds() > REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD)
|
|
{
|
|
MDEBUG(context << " we should download it as this span was requested long ago");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
bool t_cryptonote_protocol_handler<t_core>::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks, bool force_next_span)
|
|
{
|
|
// flush stale spans
|
|
std::set<boost::uuids::uuid> live_connections;
|
|
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool{
|
|
live_connections.insert(context.m_connection_id);
|
|
return true;
|
|
});
|
|
m_block_queue.flush_stale_spans(live_connections);
|
|
|
|
// if we don't need to get next span, and the block queue is full enough, wait a bit
|
|
bool start_from_current_chain = false;
|
|
if (!force_next_span)
|
|
{
|
|
do
|
|
{
|
|
size_t nblocks = m_block_queue.get_num_filled_spans();
|
|
size_t size = m_block_queue.get_data_size();
|
|
if (nblocks < BLOCK_QUEUE_NBLOCKS_THRESHOLD || size < BLOCK_QUEUE_SIZE_THRESHOLD)
|
|
{
|
|
if (context.m_state != cryptonote_connection_context::state_standby)
|
|
{
|
|
LOG_DEBUG_CC(context, "Block queue is " << nblocks << " and " << size << ", resuming");
|
|
}
|
|
break;
|
|
}
|
|
|
|
// this one triggers if all threads are in standby, which should not happen,
|
|
// but happened at least once, so we unblock at least one thread if so
|
|
const boost::unique_lock<boost::mutex> sync{m_sync_lock, boost::try_to_lock};
|
|
if (sync.owns_lock())
|
|
{
|
|
LOG_DEBUG_CC(context, "No other thread is adding blocks, resuming");
|
|
break;
|
|
}
|
|
|
|
if (should_download_next_span(context))
|
|
{
|
|
MDEBUG(context << " we should try for that next span too, we think we could get it faster, resuming");
|
|
force_next_span = true;
|
|
break;
|
|
}
|
|
|
|
if (context.m_state != cryptonote_connection_context::state_standby)
|
|
{
|
|
LOG_DEBUG_CC(context, "Block queue is " << nblocks << " and " << size << ", pausing");
|
|
context.m_state = cryptonote_connection_context::state_standby;
|
|
}
|
|
|
|
// this needs doing after we went to standby, so the callback knows what to do
|
|
bool filled;
|
|
if (m_block_queue.has_next_span(context.m_connection_id, filled) && !filled)
|
|
{
|
|
MDEBUG(context << " we have the next span, and it is scheduled, resuming");
|
|
++context.m_callback_request_count;
|
|
m_p2p->request_callback(context);
|
|
return true;
|
|
}
|
|
|
|
return true;
|
|
} while(0);
|
|
context.m_state = cryptonote_connection_context::state_synchronizing;
|
|
}
|
|
|
|
MDEBUG(context << " request_missing_objects: check " << check_having_blocks << ", force_next_span " << force_next_span << ", m_needed_objects " << context.m_needed_objects.size() << " lrh " << context.m_last_response_height << ", chain " << m_core.get_current_blockchain_height());
|
|
if(context.m_needed_objects.size() || force_next_span)
|
|
{
|
|
//we know objects that we need, request this objects
|
|
NOTIFY_REQUEST_GET_OBJECTS::request req;
|
|
bool is_next = false;
|
|
size_t count = 0;
|
|
const size_t count_limit = m_core.get_block_sync_size(m_core.get_current_blockchain_height());
|
|
std::pair<uint64_t, uint64_t> span = std::make_pair(0, 0);
|
|
{
|
|
MDEBUG(context << " checking for gap");
|
|
span = m_block_queue.get_start_gap_span();
|
|
if (span.second > 0)
|
|
{
|
|
const uint64_t first_block_height_known = context.m_last_response_height - context.m_needed_objects.size() + 1;
|
|
const uint64_t last_block_height_known = context.m_last_response_height;
|
|
const uint64_t first_block_height_needed = span.first;
|
|
const uint64_t last_block_height_needed = span.first + std::min(span.second, (uint64_t)count_limit) - 1;
|
|
MDEBUG(context << " gap found, span: " << span.first << " - " << span.first + span.second - 1 << " (" << last_block_height_needed << ")");
|
|
MDEBUG(context << " current known hashes from " << first_block_height_known << " to " << last_block_height_known);
|
|
if (first_block_height_needed < first_block_height_known || last_block_height_needed > last_block_height_known)
|
|
{
|
|
MDEBUG(context << " we are missing some of the necessary hashes for this gap, requesting chain again");
|
|
context.m_needed_objects.clear();
|
|
context.m_last_response_height = 0;
|
|
start_from_current_chain = true;
|
|
goto skip;
|
|
}
|
|
MDEBUG(context << " we have the hashes for this gap");
|
|
}
|
|
}
|
|
if (force_next_span)
|
|
{
|
|
if (span.second == 0)
|
|
{
|
|
std::vector<crypto::hash> hashes;
|
|
boost::uuids::uuid span_connection_id;
|
|
boost::posix_time::ptime time;
|
|
span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, time);
|
|
if (span.second > 0)
|
|
{
|
|
is_next = true;
|
|
for (const auto &hash: hashes)
|
|
{
|
|
req.blocks.push_back(hash);
|
|
context.m_requested_objects.insert(hash);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (span.second == 0)
|
|
{
|
|
MDEBUG(context << " span size is 0");
|
|
if (context.m_last_response_height + 1 < context.m_needed_objects.size())
|
|
{
|
|
MERROR(context << " ERROR: inconsistent context: lrh " << context.m_last_response_height << ", nos " << context.m_needed_objects.size());
|
|
context.m_needed_objects.clear();
|
|
context.m_last_response_height = 0;
|
|
goto skip;
|
|
}
|
|
// take out blocks we already have
|
|
size_t skip = 0;
|
|
while (skip < context.m_needed_objects.size() && m_core.have_block(context.m_needed_objects[skip]))
|
|
{
|
|
// if we're popping the last hash, record it so we can ask again from that hash,
|
|
// this prevents never being able to progress on peers we get old hash lists from
|
|
if (skip + 1 == context.m_needed_objects.size())
|
|
context.m_last_known_hash = context.m_needed_objects[skip];
|
|
++skip;
|
|
}
|
|
if (skip > 0)
|
|
context.m_needed_objects = std::vector<crypto::hash>(context.m_needed_objects.begin() + skip, context.m_needed_objects.end());
|
|
|
|
const uint64_t first_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1;
|
|
span = m_block_queue.reserve_span(first_block_height, context.m_last_response_height, count_limit, context.m_connection_id, context.m_needed_objects);
|
|
MDEBUG(context << " span from " << first_block_height << ": " << span.first << "/" << span.second);
|
|
}
|
|
if (span.second == 0 && !force_next_span)
|
|
{
|
|
MDEBUG(context << " still no span reserved, we may be in the corner case of next span scheduled and everything else scheduled/filled");
|
|
std::vector<crypto::hash> hashes;
|
|
boost::uuids::uuid span_connection_id;
|
|
boost::posix_time::ptime time;
|
|
span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, time);
|
|
if (span.second > 0)
|
|
{
|
|
is_next = true;
|
|
for (const auto &hash: hashes)
|
|
{
|
|
req.blocks.push_back(hash);
|
|
++count;
|
|
context.m_requested_objects.insert(hash);
|
|
// that's atrocious O(n) wise, but this is rare
|
|
auto i = std::find(context.m_needed_objects.begin(), context.m_needed_objects.end(), hash);
|
|
if (i != context.m_needed_objects.end())
|
|
context.m_needed_objects.erase(i);
|
|
}
|
|
}
|
|
}
|
|
MDEBUG(context << " span: " << span.first << "/" << span.second << " (" << span.first << " - " << (span.first + span.second - 1) << ")");
|
|
if (span.second > 0)
|
|
{
|
|
if (!is_next)
|
|
{
|
|
const uint64_t first_context_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1;
|
|
uint64_t skip = span.first - first_context_block_height;
|
|
if (skip > context.m_needed_objects.size())
|
|
{
|
|
MERROR("ERROR: skip " << skip << ", m_needed_objects " << context.m_needed_objects.size() << ", first_context_block_height" << first_context_block_height);
|
|
return false;
|
|
}
|
|
if (skip > 0)
|
|
context.m_needed_objects = std::vector<crypto::hash>(context.m_needed_objects.begin() + skip, context.m_needed_objects.end());
|
|
if (context.m_needed_objects.size() < span.second)
|
|
{
|
|
MERROR("ERROR: span " << span.first << "/" << span.second << ", m_needed_objects " << context.m_needed_objects.size());
|
|
return false;
|
|
}
|
|
|
|
for (size_t n = 0; n < span.second; ++n)
|
|
{
|
|
req.blocks.push_back(context.m_needed_objects[n]);
|
|
++count;
|
|
context.m_requested_objects.insert(context.m_needed_objects[n]);
|
|
}
|
|
context.m_needed_objects = std::vector<crypto::hash>(context.m_needed_objects.begin() + span.second, context.m_needed_objects.end());
|
|
}
|
|
|
|
context.m_last_request_time = boost::posix_time::microsec_clock::universal_time();
|
|
LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size() << ", txs.size()=" << req.txs.size()
|
|
<< "requested blocks count=" << count << " / " << count_limit << " from " << span.first << ", first hash " << req.blocks.front());
|
|
//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);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
skip:
|
|
context.m_needed_objects.clear();
|
|
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);
|
|
CHECK_AND_ASSERT_MES(!r.block_ids.empty(), false, "Short chain history is empty");
|
|
|
|
if (!start_from_current_chain)
|
|
{
|
|
// we'll want to start off from where we are on that peer, which may not be added yet
|
|
if (context.m_last_known_hash != crypto::null_hash && r.block_ids.front() != context.m_last_known_hash)
|
|
r.block_ids.push_front(context.m_last_known_hash);
|
|
}
|
|
|
|
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);
|
|
|
|
context.m_last_request_time = boost::posix_time::microsec_clock::universal_time();
|
|
LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() << ", start_from_current_chain " << start_from_current_chain);
|
|
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;
|
|
if (context.m_remote_blockchain_height >= m_core.get_target_blockchain_height())
|
|
{
|
|
if (m_core.get_current_blockchain_height() >= m_core.get_target_blockchain_height())
|
|
{
|
|
MGINFO_GREEN("SYNCHRONIZED OK");
|
|
on_connection_synchronized();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
MINFO(context << " we've reached this peer's blockchain height");
|
|
}
|
|
}
|
|
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 wownero-wallet-cli." << ENDL
|
|
<< ENDL
|
|
<< "Use the \"help\" command to see a simplified list of available commands." << ENDL
|
|
<< "Use the \"help_advanced\" command to see an advanced list of available commands." << ENDL
|
|
<< "Use \"help_advanced <command>\" to see a command's documentation." << ENDL
|
|
<< "**********************************************************************");
|
|
m_core.on_synchronized();
|
|
}
|
|
m_core.safesyncmode(true);
|
|
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, uint32_t support_flags)->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");
|
|
drop_connection(context, true, false);
|
|
return 1;
|
|
}
|
|
if (arg.total_height < arg.m_block_ids.size() || arg.start_height > arg.total_height - arg.m_block_ids.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("sent invalid start/nblocks/height, dropping connection");
|
|
drop_connection(context, true, false);
|
|
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());
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
|
|
uint64_t n_use_blocks = m_core.prevalidate_block_hashes(arg.start_height, arg.m_block_ids);
|
|
if (n_use_blocks + HASH_OF_HASHES_STEP <= arg.m_block_ids.size())
|
|
{
|
|
LOG_ERROR_CCONTEXT("Most blocks are invalid, dropping connection");
|
|
drop_connection(context, true, false);
|
|
return 1;
|
|
}
|
|
|
|
uint64_t added = 0;
|
|
for(auto& bl_id: arg.m_block_ids)
|
|
{
|
|
context.m_needed_objects.push_back(bl_id);
|
|
if (++added == n_use_blocks)
|
|
break;
|
|
}
|
|
context.m_last_response_height -= arg.m_block_ids.size() - n_use_blocks;
|
|
|
|
if (!request_missing_objects(context, false))
|
|
{
|
|
LOG_ERROR_CCONTEXT("Failed to request missing objects, dropping connection");
|
|
drop_connection(context, false, false);
|
|
return 1;
|
|
}
|
|
|
|
if (arg.total_height > m_core.get_target_blockchain_height())
|
|
m_core.set_target_blockchain_height(arg.total_height);
|
|
|
|
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.current_blockchain_height = arg.current_blockchain_height;
|
|
std::vector<blobdata> fluffy_txs;
|
|
fluffy_arg.b = arg.b;
|
|
fluffy_arg.b.txs = fluffy_txs;
|
|
|
|
// sort peers between fluffy ones and others
|
|
std::list<boost::uuids::uuid> fullConnections, fluffyConnections;
|
|
m_p2p->for_each_connection([this, &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.fluffy_blocks_enabled() && (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
|
|
if (!fluffyConnections.empty())
|
|
{
|
|
std::string fluffyBlob;
|
|
epee::serialization::store_t_to_binary(fluffy_arg, fluffyBlob);
|
|
m_p2p->relay_notify_to_list(NOTIFY_NEW_FLUFFY_BLOCK::ID, epee::strspan<uint8_t>(fluffyBlob), fluffyConnections);
|
|
}
|
|
if (!fullConnections.empty())
|
|
{
|
|
std::string fullBlob;
|
|
epee::serialization::store_t_to_binary(arg, fullBlob);
|
|
m_p2p->relay_notify_to_list(NOTIFY_NEW_BLOCK::ID, epee::strspan<uint8_t>(fullBlob), fullConnections);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
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
|
|
const bool pad_transactions = m_core.pad_transactions();
|
|
size_t bytes = pad_transactions ? 9 /* header */ + 4 /* 1 + 'txs' */ + tools::get_varint_data(arg.txs.size()).size() : 0;
|
|
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);
|
|
if (pad_transactions)
|
|
bytes += tools::get_varint_data(tx_blob_it->size()).size() + tx_blob_it->size();
|
|
}
|
|
|
|
if (pad_transactions)
|
|
{
|
|
// stuff some dummy bytes in to stay safe from traffic volume analysis
|
|
static constexpr size_t granularity = 1024;
|
|
size_t padding = granularity - bytes % granularity;
|
|
const size_t overhead = 2 /* 1 + '_' */ + tools::get_varint_data(padding).size();
|
|
if (overhead > padding)
|
|
padding = 0;
|
|
else
|
|
padding -= overhead;
|
|
arg._ = std::string(padding, ' ');
|
|
|
|
std::string arg_buff;
|
|
epee::serialization::store_t_to_binary(arg, arg_buff);
|
|
|
|
// we probably lowballed the payload size a bit, so added a but too much. Fix this now.
|
|
size_t remove = arg_buff.size() % granularity;
|
|
if (remove > arg._.size())
|
|
arg._.clear();
|
|
else
|
|
arg._.resize(arg._.size() - remove);
|
|
// if the size of _ moved enough, we might lose byte in size encoding, we don't care
|
|
}
|
|
|
|
return relay_post_notify<NOTIFY_NEW_TRANSACTIONS>(arg, exclude_context);
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
void t_cryptonote_protocol_handler<t_core>::drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans)
|
|
{
|
|
LOG_DEBUG_CC(context, "dropping connection id " << context.m_connection_id <<
|
|
", add_fail " << add_fail << ", flush_all_spans " << flush_all_spans);
|
|
|
|
if (add_fail)
|
|
m_p2p->add_host_fail(context.m_remote_address);
|
|
|
|
m_block_queue.flush_spans(context.m_connection_id, flush_all_spans);
|
|
|
|
m_p2p->drop_connection(context);
|
|
}
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
void t_cryptonote_protocol_handler<t_core>::on_connection_close(cryptonote_connection_context &context)
|
|
{
|
|
uint64_t target = 0;
|
|
m_p2p->for_each_connection([&](const connection_context& cntxt, nodetool::peerid_type peer_id, uint32_t support_flags) {
|
|
if (cntxt.m_state >= cryptonote_connection_context::state_synchronizing && cntxt.m_connection_id != context.m_connection_id)
|
|
target = std::max(target, cntxt.m_remote_blockchain_height);
|
|
return true;
|
|
});
|
|
const uint64_t previous_target = m_core.get_target_blockchain_height();
|
|
if (target < previous_target)
|
|
{
|
|
MINFO("Target height decreasing from " << previous_target << " to " << target);
|
|
m_core.set_target_blockchain_height(target);
|
|
}
|
|
|
|
m_block_queue.flush_spans(context.m_connection_id, false);
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
template<class t_core>
|
|
void t_cryptonote_protocol_handler<t_core>::stop()
|
|
{
|
|
m_stopping = true;
|
|
m_core.stop();
|
|
}
|
|
} // namespace
|
|
|