mirror of
https://github.com/monero-project/monero.git
synced 2024-12-28 14:39:30 +00:00
3dba7f252e
To help protect one's privacy from traffic volume analysis for people using Tor or I2P. This will really fly once we relay txes on a timer rather than on demand, though. Off by default for now since it's wasteful and doesn't bring anything until I2P's in.
1771 lines
69 KiB
C++
1771 lines
69 KiB
C++
// Copyright (c) 2014-2018, 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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#include <boost/algorithm/string.hpp>
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#include "include_base_utils.h"
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#include "string_tools.h"
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using namespace epee;
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#include <unordered_set>
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#include "cryptonote_core.h"
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#include "common/command_line.h"
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#include "common/util.h"
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#include "common/updates.h"
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#include "common/download.h"
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#include "common/threadpool.h"
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#include "common/command_line.h"
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#include "warnings.h"
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#include "crypto/crypto.h"
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#include "cryptonote_config.h"
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#include "cryptonote_tx_utils.h"
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#include "misc_language.h"
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#include "file_io_utils.h"
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#include <csignal>
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#include "checkpoints/checkpoints.h"
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#include "ringct/rctTypes.h"
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#include "blockchain_db/blockchain_db.h"
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#include "ringct/rctSigs.h"
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#include "common/notify.h"
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#include "version.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "cn"
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DISABLE_VS_WARNINGS(4355)
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#define MERROR_VER(x) MCERROR("verify", x)
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#define BAD_SEMANTICS_TXES_MAX_SIZE 100
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namespace cryptonote
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{
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const command_line::arg_descriptor<bool, false> arg_testnet_on = {
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"testnet"
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, "Run on testnet. The wallet must be launched with --testnet flag."
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, false
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};
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const command_line::arg_descriptor<bool, false> arg_stagenet_on = {
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"stagenet"
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, "Run on stagenet. The wallet must be launched with --stagenet flag."
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, false
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};
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const command_line::arg_descriptor<bool> arg_regtest_on = {
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"regtest"
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, "Run in a regression testing mode."
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, false
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};
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const command_line::arg_descriptor<difficulty_type> arg_fixed_difficulty = {
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"fixed-difficulty"
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, "Fixed difficulty used for testing."
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, 0
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};
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const command_line::arg_descriptor<std::string, false, true, 2> arg_data_dir = {
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"data-dir"
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, "Specify data directory"
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, tools::get_default_data_dir()
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, {{ &arg_testnet_on, &arg_stagenet_on }}
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, [](std::array<bool, 2> testnet_stagenet, bool defaulted, std::string val)->std::string {
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if (testnet_stagenet[0])
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return (boost::filesystem::path(val) / "testnet").string();
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else if (testnet_stagenet[1])
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return (boost::filesystem::path(val) / "stagenet").string();
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return val;
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}
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};
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const command_line::arg_descriptor<bool> arg_offline = {
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"offline"
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, "Do not listen for peers, nor connect to any"
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};
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const command_line::arg_descriptor<bool> arg_disable_dns_checkpoints = {
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"disable-dns-checkpoints"
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, "Do not retrieve checkpoints from DNS"
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};
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static const command_line::arg_descriptor<bool> arg_test_drop_download = {
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"test-drop-download"
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, "For net tests: in download, discard ALL blocks instead checking/saving them (very fast)"
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};
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static const command_line::arg_descriptor<uint64_t> arg_test_drop_download_height = {
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"test-drop-download-height"
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, "Like test-drop-download but discards only after around certain height"
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, 0
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};
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static const command_line::arg_descriptor<int> arg_test_dbg_lock_sleep = {
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"test-dbg-lock-sleep"
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, "Sleep time in ms, defaults to 0 (off), used to debug before/after locking mutex. Values 100 to 1000 are good for tests."
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, 0
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};
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static const command_line::arg_descriptor<bool> arg_dns_checkpoints = {
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"enforce-dns-checkpointing"
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, "checkpoints from DNS server will be enforced"
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, false
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};
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static const command_line::arg_descriptor<uint64_t> arg_fast_block_sync = {
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"fast-block-sync"
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, "Sync up most of the way by using embedded, known block hashes."
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, 1
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};
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static const command_line::arg_descriptor<uint64_t> arg_prep_blocks_threads = {
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"prep-blocks-threads"
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, "Max number of threads to use when preparing block hashes in groups."
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, 4
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};
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static const command_line::arg_descriptor<uint64_t> arg_show_time_stats = {
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"show-time-stats"
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, "Show time-stats when processing blocks/txs and disk synchronization."
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, 0
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};
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static const command_line::arg_descriptor<size_t> arg_block_sync_size = {
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"block-sync-size"
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, "How many blocks to sync at once during chain synchronization (0 = adaptive)."
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, 0
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};
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static const command_line::arg_descriptor<std::string> arg_check_updates = {
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"check-updates"
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, "Check for new versions of monero: [disabled|notify|download|update]"
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, "notify"
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};
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static const command_line::arg_descriptor<bool> arg_fluffy_blocks = {
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"fluffy-blocks"
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, "Relay blocks as fluffy blocks (obsolete, now default)"
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, true
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};
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static const command_line::arg_descriptor<bool> arg_no_fluffy_blocks = {
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"no-fluffy-blocks"
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, "Relay blocks as normal blocks"
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, false
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};
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static const command_line::arg_descriptor<bool> arg_pad_transactions = {
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"pad-transactions"
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, "Pad relayed transactions to help defend against traffic volume analysis"
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, false
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};
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static const command_line::arg_descriptor<size_t> arg_max_txpool_weight = {
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"max-txpool-weight"
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, "Set maximum txpool weight in bytes."
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, DEFAULT_TXPOOL_MAX_WEIGHT
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};
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static const command_line::arg_descriptor<std::string> arg_block_notify = {
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"block-notify"
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, "Run a program for each new block, '%s' will be replaced by the block hash"
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, ""
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};
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//-----------------------------------------------------------------------------------------------
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core::core(i_cryptonote_protocol* pprotocol):
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m_mempool(m_blockchain_storage),
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m_blockchain_storage(m_mempool),
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m_miner(this),
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m_miner_address(boost::value_initialized<account_public_address>()),
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m_starter_message_showed(false),
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m_target_blockchain_height(0),
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m_checkpoints_path(""),
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m_last_dns_checkpoints_update(0),
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m_last_json_checkpoints_update(0),
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m_disable_dns_checkpoints(false),
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m_update_download(0),
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m_nettype(UNDEFINED),
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m_update_available(false),
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m_pad_transactions(false)
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{
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m_checkpoints_updating.clear();
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set_cryptonote_protocol(pprotocol);
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}
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void core::set_cryptonote_protocol(i_cryptonote_protocol* pprotocol)
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{
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if(pprotocol)
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m_pprotocol = pprotocol;
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else
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m_pprotocol = &m_protocol_stub;
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}
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//-----------------------------------------------------------------------------------
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void core::set_checkpoints(checkpoints&& chk_pts)
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{
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m_blockchain_storage.set_checkpoints(std::move(chk_pts));
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}
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//-----------------------------------------------------------------------------------
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void core::set_checkpoints_file_path(const std::string& path)
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{
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m_checkpoints_path = path;
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}
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//-----------------------------------------------------------------------------------
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void core::set_enforce_dns_checkpoints(bool enforce_dns)
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{
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m_blockchain_storage.set_enforce_dns_checkpoints(enforce_dns);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::update_checkpoints()
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{
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if (m_nettype != MAINNET || m_disable_dns_checkpoints) return true;
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if (m_checkpoints_updating.test_and_set()) return true;
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bool res = true;
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if (time(NULL) - m_last_dns_checkpoints_update >= 3600)
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{
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res = m_blockchain_storage.update_checkpoints(m_checkpoints_path, true);
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m_last_dns_checkpoints_update = time(NULL);
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m_last_json_checkpoints_update = time(NULL);
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}
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else if (time(NULL) - m_last_json_checkpoints_update >= 600)
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{
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res = m_blockchain_storage.update_checkpoints(m_checkpoints_path, false);
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m_last_json_checkpoints_update = time(NULL);
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}
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m_checkpoints_updating.clear();
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// if anything fishy happened getting new checkpoints, bring down the house
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if (!res)
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{
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graceful_exit();
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}
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return res;
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}
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//-----------------------------------------------------------------------------------
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void core::stop()
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{
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m_blockchain_storage.cancel();
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tools::download_async_handle handle;
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{
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boost::lock_guard<boost::mutex> lock(m_update_mutex);
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handle = m_update_download;
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m_update_download = 0;
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}
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if (handle)
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tools::download_cancel(handle);
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}
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//-----------------------------------------------------------------------------------
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void core::init_options(boost::program_options::options_description& desc)
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{
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command_line::add_arg(desc, arg_data_dir);
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command_line::add_arg(desc, arg_test_drop_download);
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command_line::add_arg(desc, arg_test_drop_download_height);
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command_line::add_arg(desc, arg_testnet_on);
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command_line::add_arg(desc, arg_stagenet_on);
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command_line::add_arg(desc, arg_regtest_on);
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command_line::add_arg(desc, arg_fixed_difficulty);
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command_line::add_arg(desc, arg_dns_checkpoints);
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command_line::add_arg(desc, arg_prep_blocks_threads);
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command_line::add_arg(desc, arg_fast_block_sync);
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command_line::add_arg(desc, arg_show_time_stats);
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command_line::add_arg(desc, arg_block_sync_size);
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command_line::add_arg(desc, arg_check_updates);
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command_line::add_arg(desc, arg_fluffy_blocks);
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command_line::add_arg(desc, arg_no_fluffy_blocks);
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command_line::add_arg(desc, arg_test_dbg_lock_sleep);
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command_line::add_arg(desc, arg_offline);
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command_line::add_arg(desc, arg_disable_dns_checkpoints);
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command_line::add_arg(desc, arg_max_txpool_weight);
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command_line::add_arg(desc, arg_pad_transactions);
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command_line::add_arg(desc, arg_block_notify);
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miner::init_options(desc);
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BlockchainDB::init_options(desc);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::handle_command_line(const boost::program_options::variables_map& vm)
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{
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if (m_nettype != FAKECHAIN)
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{
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const bool testnet = command_line::get_arg(vm, arg_testnet_on);
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const bool stagenet = command_line::get_arg(vm, arg_stagenet_on);
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m_nettype = testnet ? TESTNET : stagenet ? STAGENET : MAINNET;
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}
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m_config_folder = command_line::get_arg(vm, arg_data_dir);
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auto data_dir = boost::filesystem::path(m_config_folder);
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if (m_nettype == MAINNET)
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{
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cryptonote::checkpoints checkpoints;
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if (!checkpoints.init_default_checkpoints(m_nettype))
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{
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throw std::runtime_error("Failed to initialize checkpoints");
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}
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set_checkpoints(std::move(checkpoints));
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boost::filesystem::path json(JSON_HASH_FILE_NAME);
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boost::filesystem::path checkpoint_json_hashfile_fullpath = data_dir / json;
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set_checkpoints_file_path(checkpoint_json_hashfile_fullpath.string());
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}
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set_enforce_dns_checkpoints(command_line::get_arg(vm, arg_dns_checkpoints));
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test_drop_download_height(command_line::get_arg(vm, arg_test_drop_download_height));
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m_fluffy_blocks_enabled = !get_arg(vm, arg_no_fluffy_blocks);
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m_pad_transactions = get_arg(vm, arg_pad_transactions);
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m_offline = get_arg(vm, arg_offline);
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m_disable_dns_checkpoints = get_arg(vm, arg_disable_dns_checkpoints);
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if (!command_line::is_arg_defaulted(vm, arg_fluffy_blocks))
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MWARNING(arg_fluffy_blocks.name << " is obsolete, it is now default");
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if (command_line::get_arg(vm, arg_test_drop_download) == true)
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test_drop_download();
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epee::debug::g_test_dbg_lock_sleep() = command_line::get_arg(vm, arg_test_dbg_lock_sleep);
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return true;
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}
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//-----------------------------------------------------------------------------------------------
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uint64_t core::get_current_blockchain_height() const
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{
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return m_blockchain_storage.get_current_blockchain_height();
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}
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//-----------------------------------------------------------------------------------------------
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void core::get_blockchain_top(uint64_t& height, crypto::hash& top_id) const
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{
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top_id = m_blockchain_storage.get_tail_id(height);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_blocks(uint64_t start_offset, size_t count, std::vector<std::pair<cryptonote::blobdata,block>>& blocks, std::vector<cryptonote::blobdata>& txs) const
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{
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return m_blockchain_storage.get_blocks(start_offset, count, blocks, txs);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_blocks(uint64_t start_offset, size_t count, std::vector<std::pair<cryptonote::blobdata,block>>& blocks) const
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{
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return m_blockchain_storage.get_blocks(start_offset, count, blocks);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_blocks(uint64_t start_offset, size_t count, std::vector<block>& blocks) const
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{
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std::vector<std::pair<cryptonote::blobdata, cryptonote::block>> bs;
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if (!m_blockchain_storage.get_blocks(start_offset, count, bs))
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return false;
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for (const auto &b: bs)
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blocks.push_back(b.second);
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return true;
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_transactions(const std::vector<crypto::hash>& txs_ids, std::vector<cryptonote::blobdata>& txs, std::vector<crypto::hash>& missed_txs) const
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{
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return m_blockchain_storage.get_transactions_blobs(txs_ids, txs, missed_txs);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_txpool_backlog(std::vector<tx_backlog_entry>& backlog) const
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{
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m_mempool.get_transaction_backlog(backlog);
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return true;
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_transactions(const std::vector<crypto::hash>& txs_ids, std::vector<transaction>& txs, std::vector<crypto::hash>& missed_txs) const
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{
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return m_blockchain_storage.get_transactions(txs_ids, txs, missed_txs);
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}
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//-----------------------------------------------------------------------------------------------
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bool core::get_alternative_blocks(std::vector<block>& blocks) const
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{
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return m_blockchain_storage.get_alternative_blocks(blocks);
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}
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//-----------------------------------------------------------------------------------------------
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size_t core::get_alternative_blocks_count() const
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{
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return m_blockchain_storage.get_alternative_blocks_count();
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}
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//-----------------------------------------------------------------------------------------------
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bool core::init(const boost::program_options::variables_map& vm, const char *config_subdir, const cryptonote::test_options *test_options, const GetCheckpointsCallback& get_checkpoints/* = nullptr */)
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{
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start_time = std::time(nullptr);
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const bool regtest = command_line::get_arg(vm, arg_regtest_on);
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if (test_options != NULL || regtest)
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{
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m_nettype = FAKECHAIN;
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}
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bool r = handle_command_line(vm);
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std::string m_config_folder_mempool = m_config_folder;
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if (config_subdir)
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m_config_folder_mempool = m_config_folder_mempool + "/" + config_subdir;
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std::string db_type = command_line::get_arg(vm, cryptonote::arg_db_type);
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std::string db_sync_mode = command_line::get_arg(vm, cryptonote::arg_db_sync_mode);
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bool db_salvage = command_line::get_arg(vm, cryptonote::arg_db_salvage) != 0;
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bool fast_sync = command_line::get_arg(vm, arg_fast_block_sync) != 0;
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uint64_t blocks_threads = command_line::get_arg(vm, arg_prep_blocks_threads);
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std::string check_updates_string = command_line::get_arg(vm, arg_check_updates);
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size_t max_txpool_weight = command_line::get_arg(vm, arg_max_txpool_weight);
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boost::filesystem::path folder(m_config_folder);
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if (m_nettype == FAKECHAIN)
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folder /= "fake";
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// make sure the data directory exists, and try to lock it
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CHECK_AND_ASSERT_MES (boost::filesystem::exists(folder) || boost::filesystem::create_directories(folder), false,
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std::string("Failed to create directory ").append(folder.string()).c_str());
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// check for blockchain.bin
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try
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{
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const boost::filesystem::path old_files = folder;
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if (boost::filesystem::exists(old_files / "blockchain.bin"))
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{
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MWARNING("Found old-style blockchain.bin in " << old_files.string());
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MWARNING("Monero now uses a new format. You can either remove blockchain.bin to start syncing");
|
|
MWARNING("the blockchain anew, or use monero-blockchain-export and monero-blockchain-import to");
|
|
MWARNING("convert your existing blockchain.bin to the new format. See README.md for instructions.");
|
|
return false;
|
|
}
|
|
}
|
|
// folder might not be a directory, etc, etc
|
|
catch (...) { }
|
|
|
|
std::unique_ptr<BlockchainDB> db(new_db(db_type));
|
|
if (db == NULL)
|
|
{
|
|
LOG_ERROR("Attempted to use non-existent database type");
|
|
return false;
|
|
}
|
|
|
|
folder /= db->get_db_name();
|
|
MGINFO("Loading blockchain from folder " << folder.string() << " ...");
|
|
|
|
const std::string filename = folder.string();
|
|
// default to fast:async:1 if overridden
|
|
blockchain_db_sync_mode sync_mode = db_defaultsync;
|
|
bool sync_on_blocks = true;
|
|
uint64_t sync_threshold = 1;
|
|
|
|
if (m_nettype == FAKECHAIN)
|
|
{
|
|
// reset the db by removing the database file before opening it
|
|
if (!db->remove_data_file(filename))
|
|
{
|
|
MERROR("Failed to remove data file in " << filename);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
uint64_t db_flags = 0;
|
|
|
|
std::vector<std::string> options;
|
|
boost::trim(db_sync_mode);
|
|
boost::split(options, db_sync_mode, boost::is_any_of(" :"));
|
|
const bool db_sync_mode_is_default = command_line::is_arg_defaulted(vm, cryptonote::arg_db_sync_mode);
|
|
|
|
for(const auto &option : options)
|
|
MDEBUG("option: " << option);
|
|
|
|
// default to fast:async:1
|
|
uint64_t DEFAULT_FLAGS = DBF_FAST;
|
|
|
|
if(options.size() == 0)
|
|
{
|
|
// default to fast:async:1
|
|
db_flags = DEFAULT_FLAGS;
|
|
}
|
|
|
|
bool safemode = false;
|
|
if(options.size() >= 1)
|
|
{
|
|
if(options[0] == "safe")
|
|
{
|
|
safemode = true;
|
|
db_flags = DBF_SAFE;
|
|
sync_mode = db_sync_mode_is_default ? db_defaultsync : db_nosync;
|
|
}
|
|
else if(options[0] == "fast")
|
|
{
|
|
db_flags = DBF_FAST;
|
|
sync_mode = db_sync_mode_is_default ? db_defaultsync : db_async;
|
|
}
|
|
else if(options[0] == "fastest")
|
|
{
|
|
db_flags = DBF_FASTEST;
|
|
sync_threshold = 1000; // default to fastest:async:1000
|
|
sync_mode = db_sync_mode_is_default ? db_defaultsync : db_async;
|
|
}
|
|
else
|
|
db_flags = DEFAULT_FLAGS;
|
|
}
|
|
|
|
if(options.size() >= 2 && !safemode)
|
|
{
|
|
if(options[1] == "sync")
|
|
sync_mode = db_sync_mode_is_default ? db_defaultsync : db_sync;
|
|
else if(options[1] == "async")
|
|
sync_mode = db_sync_mode_is_default ? db_defaultsync : db_async;
|
|
}
|
|
|
|
if(options.size() >= 3 && !safemode)
|
|
{
|
|
char *endptr;
|
|
uint64_t threshold = strtoull(options[2].c_str(), &endptr, 0);
|
|
if (*endptr == '\0' || !strcmp(endptr, "blocks"))
|
|
{
|
|
sync_on_blocks = true;
|
|
sync_threshold = threshold;
|
|
}
|
|
else if (!strcmp(endptr, "bytes"))
|
|
{
|
|
sync_on_blocks = false;
|
|
sync_threshold = threshold;
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("Invalid db sync mode: " << options[2]);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (db_salvage)
|
|
db_flags |= DBF_SALVAGE;
|
|
|
|
db->open(filename, db_flags);
|
|
if(!db->m_open)
|
|
return false;
|
|
}
|
|
catch (const DB_ERROR& e)
|
|
{
|
|
LOG_ERROR("Error opening database: " << e.what());
|
|
return false;
|
|
}
|
|
|
|
m_blockchain_storage.set_user_options(blocks_threads,
|
|
sync_on_blocks, sync_threshold, sync_mode, fast_sync);
|
|
|
|
try
|
|
{
|
|
if (!command_line::is_arg_defaulted(vm, arg_block_notify))
|
|
m_blockchain_storage.set_block_notify(std::shared_ptr<tools::Notify>(new tools::Notify(command_line::get_arg(vm, arg_block_notify).c_str())));
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
MERROR("Failed to parse block notify spec");
|
|
}
|
|
|
|
const std::pair<uint8_t, uint64_t> regtest_hard_forks[3] = {std::make_pair(1, 0), std::make_pair(Blockchain::get_hard_fork_heights(MAINNET).back().version, 1), std::make_pair(0, 0)};
|
|
const cryptonote::test_options regtest_test_options = {
|
|
regtest_hard_forks
|
|
};
|
|
const difficulty_type fixed_difficulty = command_line::get_arg(vm, arg_fixed_difficulty);
|
|
r = m_blockchain_storage.init(db.release(), m_nettype, m_offline, regtest ? ®test_test_options : test_options, fixed_difficulty, get_checkpoints);
|
|
|
|
r = m_mempool.init(max_txpool_weight);
|
|
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize memory pool");
|
|
|
|
// now that we have a valid m_blockchain_storage, we can clean out any
|
|
// transactions in the pool that do not conform to the current fork
|
|
m_mempool.validate(m_blockchain_storage.get_current_hard_fork_version());
|
|
|
|
bool show_time_stats = command_line::get_arg(vm, arg_show_time_stats) != 0;
|
|
m_blockchain_storage.set_show_time_stats(show_time_stats);
|
|
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize blockchain storage");
|
|
|
|
block_sync_size = command_line::get_arg(vm, arg_block_sync_size);
|
|
|
|
MGINFO("Loading checkpoints");
|
|
|
|
// load json & DNS checkpoints, and verify them
|
|
// with respect to what blocks we already have
|
|
CHECK_AND_ASSERT_MES(update_checkpoints(), false, "One or more checkpoints loaded from json or dns conflicted with existing checkpoints.");
|
|
|
|
// DNS versions checking
|
|
if (check_updates_string == "disabled")
|
|
check_updates_level = UPDATES_DISABLED;
|
|
else if (check_updates_string == "notify")
|
|
check_updates_level = UPDATES_NOTIFY;
|
|
else if (check_updates_string == "download")
|
|
check_updates_level = UPDATES_DOWNLOAD;
|
|
else if (check_updates_string == "update")
|
|
check_updates_level = UPDATES_UPDATE;
|
|
else {
|
|
MERROR("Invalid argument to --dns-versions-check: " << check_updates_string);
|
|
return false;
|
|
}
|
|
|
|
r = m_miner.init(vm, m_nettype);
|
|
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize miner instance");
|
|
|
|
return load_state_data();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::set_genesis_block(const block& b)
|
|
{
|
|
return m_blockchain_storage.reset_and_set_genesis_block(b);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::load_state_data()
|
|
{
|
|
// may be some code later
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::deinit()
|
|
{
|
|
m_miner.stop();
|
|
m_mempool.deinit();
|
|
m_blockchain_storage.deinit();
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::test_drop_download()
|
|
{
|
|
m_test_drop_download = false;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::test_drop_download_height(uint64_t height)
|
|
{
|
|
m_test_drop_download_height = height;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_test_drop_download() const
|
|
{
|
|
return m_test_drop_download;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_test_drop_download_height() const
|
|
{
|
|
if (m_test_drop_download_height == 0)
|
|
return true;
|
|
|
|
if (get_blockchain_storage().get_current_blockchain_height() <= m_test_drop_download_height)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_tx_pre(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
tvc = boost::value_initialized<tx_verification_context>();
|
|
|
|
if(tx_blob.size() > get_max_tx_size())
|
|
{
|
|
LOG_PRINT_L1("WRONG TRANSACTION BLOB, too big size " << tx_blob.size() << ", rejected");
|
|
tvc.m_verifivation_failed = true;
|
|
tvc.m_too_big = true;
|
|
return false;
|
|
}
|
|
|
|
tx_hash = crypto::null_hash;
|
|
tx_prefixt_hash = crypto::null_hash;
|
|
|
|
if(!parse_tx_from_blob(tx, tx_hash, tx_prefixt_hash, tx_blob))
|
|
{
|
|
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to parse, rejected");
|
|
tvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
//std::cout << "!"<< tx.vin.size() << std::endl;
|
|
|
|
bad_semantics_txes_lock.lock();
|
|
for (int idx = 0; idx < 2; ++idx)
|
|
{
|
|
if (bad_semantics_txes[idx].find(tx_hash) != bad_semantics_txes[idx].end())
|
|
{
|
|
bad_semantics_txes_lock.unlock();
|
|
LOG_PRINT_L1("Transaction already seen with bad semantics, rejected");
|
|
tvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
}
|
|
bad_semantics_txes_lock.unlock();
|
|
|
|
uint8_t version = m_blockchain_storage.get_current_hard_fork_version();
|
|
const size_t max_tx_version = version == 1 ? 1 : 2;
|
|
if (tx.version == 0 || tx.version > max_tx_version)
|
|
{
|
|
// v2 is the latest one we know
|
|
tvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_tx_post(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
if(!check_tx_syntax(tx))
|
|
{
|
|
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " syntax, rejected");
|
|
tvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::set_semantics_failed(const crypto::hash &tx_hash)
|
|
{
|
|
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
|
|
bad_semantics_txes_lock.lock();
|
|
bad_semantics_txes[0].insert(tx_hash);
|
|
if (bad_semantics_txes[0].size() >= BAD_SEMANTICS_TXES_MAX_SIZE)
|
|
{
|
|
std::swap(bad_semantics_txes[0], bad_semantics_txes[1]);
|
|
bad_semantics_txes[0].clear();
|
|
}
|
|
bad_semantics_txes_lock.unlock();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
static bool is_canonical_bulletproof_layout(const std::vector<rct::Bulletproof> &proofs)
|
|
{
|
|
if (proofs.size() != 1)
|
|
return false;
|
|
const size_t sz = proofs[0].V.size();
|
|
if (sz == 0 || sz > BULLETPROOF_MAX_OUTPUTS)
|
|
return false;
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_tx_accumulated_batch(std::vector<tx_verification_batch_info> &tx_info, bool keeped_by_block)
|
|
{
|
|
bool ret = true;
|
|
if (keeped_by_block && get_blockchain_storage().is_within_compiled_block_hash_area())
|
|
{
|
|
MTRACE("Skipping semantics check for tx kept by block in embedded hash area");
|
|
return true;
|
|
}
|
|
|
|
std::vector<const rct::rctSig*> rvv;
|
|
for (size_t n = 0; n < tx_info.size(); ++n)
|
|
{
|
|
if (!check_tx_semantic(*tx_info[n].tx, keeped_by_block))
|
|
{
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
continue;
|
|
}
|
|
|
|
if (tx_info[n].tx->version < 2)
|
|
continue;
|
|
const rct::rctSig &rv = tx_info[n].tx->rct_signatures;
|
|
switch (rv.type) {
|
|
case rct::RCTTypeNull:
|
|
// coinbase should not come here, so we reject for all other types
|
|
MERROR_VER("Unexpected Null rctSig type");
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
break;
|
|
case rct::RCTTypeSimple:
|
|
if (!rct::verRctSemanticsSimple(rv))
|
|
{
|
|
MERROR_VER("rct signature semantics check failed");
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
break;
|
|
}
|
|
break;
|
|
case rct::RCTTypeFull:
|
|
if (!rct::verRct(rv, true))
|
|
{
|
|
MERROR_VER("rct signature semantics check failed");
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
break;
|
|
}
|
|
break;
|
|
case rct::RCTTypeBulletproof:
|
|
if (!is_canonical_bulletproof_layout(rv.p.bulletproofs))
|
|
{
|
|
MERROR_VER("Bulletproof does not have canonical form");
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
break;
|
|
}
|
|
rvv.push_back(&rv); // delayed batch verification
|
|
break;
|
|
default:
|
|
MERROR_VER("Unknown rct type: " << rv.type);
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
break;
|
|
}
|
|
}
|
|
if (!rvv.empty() && !rct::verRctSemanticsSimple(rvv))
|
|
{
|
|
LOG_PRINT_L1("One transaction among this group has bad semantics, verifying one at a time");
|
|
ret = false;
|
|
const bool assumed_bad = rvv.size() == 1; // if there's only one tx, it must be the bad one
|
|
for (size_t n = 0; n < tx_info.size(); ++n)
|
|
{
|
|
if (!tx_info[n].result)
|
|
continue;
|
|
if (tx_info[n].tx->rct_signatures.type != rct::RCTTypeBulletproof)
|
|
continue;
|
|
if (assumed_bad || !rct::verRctSemanticsSimple(tx_info[n].tx->rct_signatures))
|
|
{
|
|
set_semantics_failed(tx_info[n].tx_hash);
|
|
tx_info[n].tvc.m_verifivation_failed = true;
|
|
tx_info[n].result = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_txs(const std::vector<blobdata>& tx_blobs, std::vector<tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
TRY_ENTRY();
|
|
CRITICAL_REGION_LOCAL(m_incoming_tx_lock);
|
|
|
|
struct result { bool res; cryptonote::transaction tx; crypto::hash hash; crypto::hash prefix_hash; bool in_txpool; bool in_blockchain; };
|
|
std::vector<result> results(tx_blobs.size());
|
|
|
|
tvc.resize(tx_blobs.size());
|
|
tools::threadpool& tpool = tools::threadpool::getInstance();
|
|
tools::threadpool::waiter waiter;
|
|
std::vector<blobdata>::const_iterator it = tx_blobs.begin();
|
|
for (size_t i = 0; i < tx_blobs.size(); i++, ++it) {
|
|
tpool.submit(&waiter, [&, i, it] {
|
|
try
|
|
{
|
|
results[i].res = handle_incoming_tx_pre(*it, tvc[i], results[i].tx, results[i].hash, results[i].prefix_hash, keeped_by_block, relayed, do_not_relay);
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
MERROR_VER("Exception in handle_incoming_tx_pre: " << e.what());
|
|
results[i].res = false;
|
|
}
|
|
});
|
|
}
|
|
waiter.wait(&tpool);
|
|
it = tx_blobs.begin();
|
|
std::vector<bool> already_have(tx_blobs.size(), false);
|
|
for (size_t i = 0; i < tx_blobs.size(); i++, ++it) {
|
|
if (!results[i].res)
|
|
continue;
|
|
if(m_mempool.have_tx(results[i].hash))
|
|
{
|
|
LOG_PRINT_L2("tx " << results[i].hash << "already have transaction in tx_pool");
|
|
already_have[i] = true;
|
|
}
|
|
else if(m_blockchain_storage.have_tx(results[i].hash))
|
|
{
|
|
LOG_PRINT_L2("tx " << results[i].hash << " already have transaction in blockchain");
|
|
already_have[i] = true;
|
|
}
|
|
else
|
|
{
|
|
tpool.submit(&waiter, [&, i, it] {
|
|
try
|
|
{
|
|
results[i].res = handle_incoming_tx_post(*it, tvc[i], results[i].tx, results[i].hash, results[i].prefix_hash, keeped_by_block, relayed, do_not_relay);
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
MERROR_VER("Exception in handle_incoming_tx_post: " << e.what());
|
|
results[i].res = false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
waiter.wait(&tpool);
|
|
|
|
std::vector<tx_verification_batch_info> tx_info;
|
|
tx_info.reserve(tx_blobs.size());
|
|
for (size_t i = 0; i < tx_blobs.size(); i++) {
|
|
if (!results[i].res || already_have[i])
|
|
continue;
|
|
tx_info.push_back({&results[i].tx, results[i].hash, tvc[i], results[i].res});
|
|
}
|
|
if (!tx_info.empty())
|
|
handle_incoming_tx_accumulated_batch(tx_info, keeped_by_block);
|
|
|
|
bool ok = true;
|
|
it = tx_blobs.begin();
|
|
for (size_t i = 0; i < tx_blobs.size(); i++, ++it) {
|
|
if (already_have[i])
|
|
continue;
|
|
if (!results[i].res)
|
|
{
|
|
ok = false;
|
|
continue;
|
|
}
|
|
|
|
const size_t weight = get_transaction_weight(results[i].tx, it->size());
|
|
ok &= add_new_tx(results[i].tx, results[i].hash, results[i].prefix_hash, weight, tvc[i], keeped_by_block, relayed, do_not_relay);
|
|
if(tvc[i].m_verifivation_failed)
|
|
{MERROR_VER("Transaction verification failed: " << results[i].hash);}
|
|
else if(tvc[i].m_verifivation_impossible)
|
|
{MERROR_VER("Transaction verification impossible: " << results[i].hash);}
|
|
|
|
if(tvc[i].m_added_to_pool)
|
|
MDEBUG("tx added: " << results[i].hash);
|
|
}
|
|
return ok;
|
|
|
|
CATCH_ENTRY_L0("core::handle_incoming_txs()", false);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
std::vector<cryptonote::blobdata> tx_blobs;
|
|
tx_blobs.push_back(tx_blob);
|
|
std::vector<tx_verification_context> tvcv(1);
|
|
bool r = handle_incoming_txs(tx_blobs, tvcv, keeped_by_block, relayed, do_not_relay);
|
|
tvc = tvcv[0];
|
|
return r;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_stat_info(core_stat_info& st_inf) const
|
|
{
|
|
st_inf.mining_speed = m_miner.get_speed();
|
|
st_inf.alternative_blocks = m_blockchain_storage.get_alternative_blocks_count();
|
|
st_inf.blockchain_height = m_blockchain_storage.get_current_blockchain_height();
|
|
st_inf.tx_pool_size = m_mempool.get_transactions_count();
|
|
st_inf.top_block_id_str = epee::string_tools::pod_to_hex(m_blockchain_storage.get_tail_id());
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_tx_semantic(const transaction& tx, bool keeped_by_block) const
|
|
{
|
|
if(!tx.vin.size())
|
|
{
|
|
MERROR_VER("tx with empty inputs, rejected for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
|
|
if(!check_inputs_types_supported(tx))
|
|
{
|
|
MERROR_VER("unsupported input types for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
|
|
if(!check_outs_valid(tx))
|
|
{
|
|
MERROR_VER("tx with invalid outputs, rejected for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
if (tx.version > 1)
|
|
{
|
|
if (tx.rct_signatures.outPk.size() != tx.vout.size())
|
|
{
|
|
MERROR_VER("tx with mismatched vout/outPk count, rejected for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if(!check_money_overflow(tx))
|
|
{
|
|
MERROR_VER("tx has money overflow, rejected for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
|
|
if (tx.version == 1)
|
|
{
|
|
uint64_t amount_in = 0;
|
|
get_inputs_money_amount(tx, amount_in);
|
|
uint64_t amount_out = get_outs_money_amount(tx);
|
|
|
|
if(amount_in <= amount_out)
|
|
{
|
|
MERROR_VER("tx with wrong amounts: ins " << amount_in << ", outs " << amount_out << ", rejected for tx id= " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
}
|
|
// for version > 1, ringct signatures check verifies amounts match
|
|
|
|
if(!keeped_by_block && get_transaction_weight(tx) >= m_blockchain_storage.get_current_cumulative_block_weight_limit() - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE)
|
|
{
|
|
MERROR_VER("tx is too large " << get_transaction_weight(tx) << ", expected not bigger than " << m_blockchain_storage.get_current_cumulative_block_weight_limit() - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE);
|
|
return false;
|
|
}
|
|
|
|
//check if tx use different key images
|
|
if(!check_tx_inputs_keyimages_diff(tx))
|
|
{
|
|
MERROR_VER("tx uses a single key image more than once");
|
|
return false;
|
|
}
|
|
|
|
if (!check_tx_inputs_ring_members_diff(tx))
|
|
{
|
|
MERROR_VER("tx uses duplicate ring members");
|
|
return false;
|
|
}
|
|
|
|
if (!check_tx_inputs_keyimages_domain(tx))
|
|
{
|
|
MERROR_VER("tx uses key image not in the valid domain");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::is_key_image_spent(const crypto::key_image &key_image) const
|
|
{
|
|
return m_blockchain_storage.have_tx_keyimg_as_spent(key_image);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::are_key_images_spent(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent) const
|
|
{
|
|
spent.clear();
|
|
for(auto& ki: key_im)
|
|
{
|
|
spent.push_back(m_blockchain_storage.have_tx_keyimg_as_spent(ki));
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
size_t core::get_block_sync_size(uint64_t height) const
|
|
{
|
|
static const uint64_t quick_height = m_nettype == TESTNET ? 801219 : m_nettype == MAINNET ? 1220516 : 0;
|
|
if (block_sync_size > 0)
|
|
return block_sync_size;
|
|
if (height >= quick_height)
|
|
return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT;
|
|
return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::are_key_images_spent_in_pool(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent) const
|
|
{
|
|
spent.clear();
|
|
|
|
return m_mempool.check_for_key_images(key_im, spent);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
std::pair<uint64_t, uint64_t> core::get_coinbase_tx_sum(const uint64_t start_offset, const size_t count)
|
|
{
|
|
uint64_t emission_amount = 0;
|
|
uint64_t total_fee_amount = 0;
|
|
if (count)
|
|
{
|
|
const uint64_t end = start_offset + count - 1;
|
|
m_blockchain_storage.for_blocks_range(start_offset, end,
|
|
[this, &emission_amount, &total_fee_amount](uint64_t, const crypto::hash& hash, const block& b){
|
|
std::vector<transaction> txs;
|
|
std::vector<crypto::hash> missed_txs;
|
|
uint64_t coinbase_amount = get_outs_money_amount(b.miner_tx);
|
|
this->get_transactions(b.tx_hashes, txs, missed_txs);
|
|
uint64_t tx_fee_amount = 0;
|
|
for(const auto& tx: txs)
|
|
{
|
|
tx_fee_amount += get_tx_fee(tx);
|
|
}
|
|
|
|
emission_amount += coinbase_amount - tx_fee_amount;
|
|
total_fee_amount += tx_fee_amount;
|
|
return true;
|
|
});
|
|
}
|
|
|
|
return std::pair<uint64_t, uint64_t>(emission_amount, total_fee_amount);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_tx_inputs_keyimages_diff(const transaction& tx) const
|
|
{
|
|
std::unordered_set<crypto::key_image> ki;
|
|
for(const auto& in: tx.vin)
|
|
{
|
|
CHECKED_GET_SPECIFIC_VARIANT(in, const txin_to_key, tokey_in, false);
|
|
if(!ki.insert(tokey_in.k_image).second)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_tx_inputs_ring_members_diff(const transaction& tx) const
|
|
{
|
|
const uint8_t version = m_blockchain_storage.get_current_hard_fork_version();
|
|
if (version >= 6)
|
|
{
|
|
for(const auto& in: tx.vin)
|
|
{
|
|
CHECKED_GET_SPECIFIC_VARIANT(in, const txin_to_key, tokey_in, false);
|
|
for (size_t n = 1; n < tokey_in.key_offsets.size(); ++n)
|
|
if (tokey_in.key_offsets[n] == 0)
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_tx_inputs_keyimages_domain(const transaction& tx) const
|
|
{
|
|
std::unordered_set<crypto::key_image> ki;
|
|
for(const auto& in: tx.vin)
|
|
{
|
|
CHECKED_GET_SPECIFIC_VARIANT(in, const txin_to_key, tokey_in, false);
|
|
if (!(rct::scalarmultKey(rct::ki2rct(tokey_in.k_image), rct::curveOrder()) == rct::identity()))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::add_new_tx(transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
crypto::hash tx_hash = get_transaction_hash(tx);
|
|
crypto::hash tx_prefix_hash = get_transaction_prefix_hash(tx);
|
|
blobdata bl;
|
|
t_serializable_object_to_blob(tx, bl);
|
|
size_t tx_weight = get_transaction_weight(tx, bl.size());
|
|
return add_new_tx(tx, tx_hash, tx_prefix_hash, tx_weight, tvc, keeped_by_block, relayed, do_not_relay);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
size_t core::get_blockchain_total_transactions() const
|
|
{
|
|
return m_blockchain_storage.get_total_transactions();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::add_new_tx(transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t tx_weight, tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
|
|
{
|
|
if (keeped_by_block)
|
|
get_blockchain_storage().on_new_tx_from_block(tx);
|
|
|
|
if(m_mempool.have_tx(tx_hash))
|
|
{
|
|
LOG_PRINT_L2("tx " << tx_hash << "already have transaction in tx_pool");
|
|
return true;
|
|
}
|
|
|
|
if(m_blockchain_storage.have_tx(tx_hash))
|
|
{
|
|
LOG_PRINT_L2("tx " << tx_hash << " already have transaction in blockchain");
|
|
return true;
|
|
}
|
|
|
|
uint8_t version = m_blockchain_storage.get_current_hard_fork_version();
|
|
return m_mempool.add_tx(tx, tx_hash, tx_weight, tvc, keeped_by_block, relayed, do_not_relay, version);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::relay_txpool_transactions()
|
|
{
|
|
// we attempt to relay txes that should be relayed, but were not
|
|
std::vector<std::pair<crypto::hash, cryptonote::blobdata>> txs;
|
|
if (m_mempool.get_relayable_transactions(txs) && !txs.empty())
|
|
{
|
|
cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
|
|
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
|
|
NOTIFY_NEW_TRANSACTIONS::request r;
|
|
for (auto it = txs.begin(); it != txs.end(); ++it)
|
|
{
|
|
r.txs.push_back(it->second);
|
|
}
|
|
get_protocol()->relay_transactions(r, fake_context);
|
|
m_mempool.set_relayed(txs);
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::on_transaction_relayed(const cryptonote::blobdata& tx_blob)
|
|
{
|
|
std::vector<std::pair<crypto::hash, cryptonote::blobdata>> txs;
|
|
cryptonote::transaction tx;
|
|
crypto::hash tx_hash, tx_prefix_hash;
|
|
if (!parse_and_validate_tx_from_blob(tx_blob, tx, tx_hash, tx_prefix_hash))
|
|
{
|
|
LOG_ERROR("Failed to parse relayed transaction");
|
|
return;
|
|
}
|
|
txs.push_back(std::make_pair(tx_hash, std::move(tx_blob)));
|
|
m_mempool.set_relayed(txs);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, uint64_t& expected_reward, const blobdata& ex_nonce)
|
|
{
|
|
return m_blockchain_storage.create_block_template(b, adr, diffic, height, expected_reward, ex_nonce);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp) const
|
|
{
|
|
return m_blockchain_storage.find_blockchain_supplement(qblock_ids, resp);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::vector<std::pair<std::pair<cryptonote::blobdata, crypto::hash>, std::vector<std::pair<crypto::hash, cryptonote::blobdata> > > >& blocks, uint64_t& total_height, uint64_t& start_height, bool pruned, bool get_miner_tx_hash, size_t max_count) const
|
|
{
|
|
return m_blockchain_storage.find_blockchain_supplement(req_start_block, qblock_ids, blocks, total_height, start_height, pruned, get_miner_tx_hash, max_count);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_outs(const COMMAND_RPC_GET_OUTPUTS_BIN::request& req, COMMAND_RPC_GET_OUTPUTS_BIN::response& res) const
|
|
{
|
|
return m_blockchain_storage.get_outs(req, res);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_output_distribution(uint64_t amount, uint64_t from_height, uint64_t to_height, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) const
|
|
{
|
|
return m_blockchain_storage.get_output_distribution(amount, from_height, to_height, start_height, distribution, base);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs) const
|
|
{
|
|
return m_blockchain_storage.get_tx_outputs_gindexs(tx_id, indexs);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::pause_mine()
|
|
{
|
|
m_miner.pause();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::resume_mine()
|
|
{
|
|
m_miner.resume();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
block_complete_entry get_block_complete_entry(block& b, tx_memory_pool &pool)
|
|
{
|
|
block_complete_entry bce;
|
|
bce.block = cryptonote::block_to_blob(b);
|
|
for (const auto &tx_hash: b.tx_hashes)
|
|
{
|
|
cryptonote::blobdata txblob;
|
|
CHECK_AND_ASSERT_THROW_MES(pool.get_transaction(tx_hash, txblob), "Transaction not found in pool");
|
|
bce.txs.push_back(txblob);
|
|
}
|
|
return bce;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_block_found(block& b)
|
|
{
|
|
block_verification_context bvc = boost::value_initialized<block_verification_context>();
|
|
m_miner.pause();
|
|
std::vector<block_complete_entry> blocks;
|
|
try
|
|
{
|
|
blocks.push_back(get_block_complete_entry(b, m_mempool));
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
m_miner.resume();
|
|
return false;
|
|
}
|
|
prepare_handle_incoming_blocks(blocks);
|
|
m_blockchain_storage.add_new_block(b, bvc);
|
|
cleanup_handle_incoming_blocks(true);
|
|
//anyway - update miner template
|
|
update_miner_block_template();
|
|
m_miner.resume();
|
|
|
|
|
|
CHECK_AND_ASSERT_MES(!bvc.m_verifivation_failed, false, "mined block failed verification");
|
|
if(bvc.m_added_to_main_chain)
|
|
{
|
|
cryptonote_connection_context exclude_context = boost::value_initialized<cryptonote_connection_context>();
|
|
NOTIFY_NEW_BLOCK::request arg = AUTO_VAL_INIT(arg);
|
|
arg.current_blockchain_height = m_blockchain_storage.get_current_blockchain_height();
|
|
std::vector<crypto::hash> missed_txs;
|
|
std::vector<cryptonote::blobdata> txs;
|
|
m_blockchain_storage.get_transactions_blobs(b.tx_hashes, txs, missed_txs);
|
|
if(missed_txs.size() && m_blockchain_storage.get_block_id_by_height(get_block_height(b)) != get_block_hash(b))
|
|
{
|
|
LOG_PRINT_L1("Block found but, seems that reorganize just happened after that, do not relay this block");
|
|
return true;
|
|
}
|
|
CHECK_AND_ASSERT_MES(txs.size() == b.tx_hashes.size() && !missed_txs.size(), false, "can't find some transactions in found block:" << get_block_hash(b) << " txs.size()=" << txs.size()
|
|
<< ", b.tx_hashes.size()=" << b.tx_hashes.size() << ", missed_txs.size()" << missed_txs.size());
|
|
|
|
block_to_blob(b, arg.b.block);
|
|
//pack transactions
|
|
for(auto& tx: txs)
|
|
arg.b.txs.push_back(tx);
|
|
|
|
m_pprotocol->relay_block(arg, exclude_context);
|
|
}
|
|
return bvc.m_added_to_main_chain;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::on_synchronized()
|
|
{
|
|
m_miner.on_synchronized();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::safesyncmode(const bool onoff)
|
|
{
|
|
m_blockchain_storage.safesyncmode(onoff);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::add_new_block(const block& b, block_verification_context& bvc)
|
|
{
|
|
return m_blockchain_storage.add_new_block(b, bvc);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::prepare_handle_incoming_blocks(const std::vector<block_complete_entry> &blocks)
|
|
{
|
|
m_incoming_tx_lock.lock();
|
|
m_blockchain_storage.prepare_handle_incoming_blocks(blocks);
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::cleanup_handle_incoming_blocks(bool force_sync)
|
|
{
|
|
bool success = false;
|
|
try {
|
|
success = m_blockchain_storage.cleanup_handle_incoming_blocks(force_sync);
|
|
}
|
|
catch (...) {}
|
|
m_incoming_tx_lock.unlock();
|
|
return success;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_incoming_block(const blobdata& block_blob, block_verification_context& bvc, bool update_miner_blocktemplate)
|
|
{
|
|
TRY_ENTRY();
|
|
|
|
// load json & DNS checkpoints every 10min/hour respectively,
|
|
// and verify them with respect to what blocks we already have
|
|
CHECK_AND_ASSERT_MES(update_checkpoints(), false, "One or more checkpoints loaded from json or dns conflicted with existing checkpoints.");
|
|
|
|
bvc = boost::value_initialized<block_verification_context>();
|
|
if(block_blob.size() > get_max_block_size())
|
|
{
|
|
LOG_PRINT_L1("WRONG BLOCK BLOB, too big size " << block_blob.size() << ", rejected");
|
|
bvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
|
|
block b = AUTO_VAL_INIT(b);
|
|
if(!parse_and_validate_block_from_blob(block_blob, b))
|
|
{
|
|
LOG_PRINT_L1("Failed to parse and validate new block");
|
|
bvc.m_verifivation_failed = true;
|
|
return false;
|
|
}
|
|
add_new_block(b, bvc);
|
|
if(update_miner_blocktemplate && bvc.m_added_to_main_chain)
|
|
update_miner_block_template();
|
|
return true;
|
|
|
|
CATCH_ENTRY_L0("core::handle_incoming_block()", false);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
// Used by the RPC server to check the size of an incoming
|
|
// block_blob
|
|
bool core::check_incoming_block_size(const blobdata& block_blob) const
|
|
{
|
|
if(block_blob.size() > get_max_block_size())
|
|
{
|
|
LOG_PRINT_L1("WRONG BLOCK BLOB, too big size " << block_blob.size() << ", rejected");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
crypto::hash core::get_tail_id() const
|
|
{
|
|
return m_blockchain_storage.get_tail_id();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
difficulty_type core::get_block_cumulative_difficulty(uint64_t height) const
|
|
{
|
|
return m_blockchain_storage.get_db().get_block_cumulative_difficulty(height);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
size_t core::get_pool_transactions_count() const
|
|
{
|
|
return m_mempool.get_transactions_count();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::have_block(const crypto::hash& id) const
|
|
{
|
|
return m_blockchain_storage.have_block(id);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::parse_tx_from_blob(transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash, const blobdata& blob) const
|
|
{
|
|
return parse_and_validate_tx_from_blob(blob, tx, tx_hash, tx_prefix_hash);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_tx_syntax(const transaction& tx) const
|
|
{
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_transactions(std::vector<transaction>& txs, bool include_sensitive_data) const
|
|
{
|
|
m_mempool.get_transactions(txs, include_sensitive_data);
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_transaction_hashes(std::vector<crypto::hash>& txs, bool include_sensitive_data) const
|
|
{
|
|
m_mempool.get_transaction_hashes(txs, include_sensitive_data);
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_transaction_stats(struct txpool_stats& stats, bool include_sensitive_data) const
|
|
{
|
|
m_mempool.get_transaction_stats(stats, include_sensitive_data);
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_transaction(const crypto::hash &id, cryptonote::blobdata& tx) const
|
|
{
|
|
return m_mempool.get_transaction(id, tx);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::pool_has_tx(const crypto::hash &id) const
|
|
{
|
|
return m_mempool.have_tx(id);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_transactions_and_spent_keys_info(std::vector<tx_info>& tx_infos, std::vector<spent_key_image_info>& key_image_infos, bool include_sensitive_data) const
|
|
{
|
|
return m_mempool.get_transactions_and_spent_keys_info(tx_infos, key_image_infos, include_sensitive_data);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_pool_for_rpc(std::vector<cryptonote::rpc::tx_in_pool>& tx_infos, cryptonote::rpc::key_images_with_tx_hashes& key_image_infos) const
|
|
{
|
|
return m_mempool.get_pool_for_rpc(tx_infos, key_image_infos);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_short_chain_history(std::list<crypto::hash>& ids) const
|
|
{
|
|
return m_blockchain_storage.get_short_chain_history(ids);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp, cryptonote_connection_context& context)
|
|
{
|
|
return m_blockchain_storage.handle_get_objects(arg, rsp);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
crypto::hash core::get_block_id_by_height(uint64_t height) const
|
|
{
|
|
return m_blockchain_storage.get_block_id_by_height(height);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::get_block_by_hash(const crypto::hash &h, block &blk, bool *orphan) const
|
|
{
|
|
return m_blockchain_storage.get_block_by_hash(h, blk, orphan);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
std::string core::print_pool(bool short_format) const
|
|
{
|
|
return m_mempool.print_pool(short_format);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::update_miner_block_template()
|
|
{
|
|
m_miner.on_block_chain_update();
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::on_idle()
|
|
{
|
|
if(!m_starter_message_showed)
|
|
{
|
|
std::string main_message;
|
|
if (m_offline)
|
|
main_message = "The daemon is running offline and will not attempt to sync to the Monero network.";
|
|
else
|
|
main_message = "The daemon will start synchronizing with the network. This may take a long time to complete.";
|
|
MGINFO_YELLOW(ENDL << "**********************************************************************" << ENDL
|
|
<< main_message << ENDL
|
|
<< ENDL
|
|
<< "You can set the level of process detailization through \"set_log <level|categories>\" command," << ENDL
|
|
<< "where <level> is between 0 (no details) and 4 (very verbose), or custom category based levels (eg, *:WARNING)." << ENDL
|
|
<< ENDL
|
|
<< "Use the \"help\" command to see the list of available commands." << ENDL
|
|
<< "Use \"help <command>\" to see a command's documentation." << ENDL
|
|
<< "**********************************************************************" << ENDL);
|
|
m_starter_message_showed = true;
|
|
}
|
|
|
|
m_fork_moaner.do_call(boost::bind(&core::check_fork_time, this));
|
|
m_txpool_auto_relayer.do_call(boost::bind(&core::relay_txpool_transactions, this));
|
|
m_check_updates_interval.do_call(boost::bind(&core::check_updates, this));
|
|
m_check_disk_space_interval.do_call(boost::bind(&core::check_disk_space, this));
|
|
m_block_rate_interval.do_call(boost::bind(&core::check_block_rate, this));
|
|
m_miner.on_idle();
|
|
m_mempool.on_idle();
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_fork_time()
|
|
{
|
|
HardFork::State state = m_blockchain_storage.get_hard_fork_state();
|
|
const el::Level level = el::Level::Warning;
|
|
switch (state) {
|
|
case HardFork::LikelyForked:
|
|
MCLOG_RED(level, "global", "**********************************************************************");
|
|
MCLOG_RED(level, "global", "Last scheduled hard fork is too far in the past.");
|
|
MCLOG_RED(level, "global", "We are most likely forked from the network. Daemon update needed now.");
|
|
MCLOG_RED(level, "global", "**********************************************************************");
|
|
break;
|
|
case HardFork::UpdateNeeded:
|
|
MCLOG_RED(level, "global", "**********************************************************************");
|
|
MCLOG_RED(level, "global", "Last scheduled hard fork time shows a daemon update is needed soon.");
|
|
MCLOG_RED(level, "global", "**********************************************************************");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint8_t core::get_ideal_hard_fork_version() const
|
|
{
|
|
return get_blockchain_storage().get_ideal_hard_fork_version();
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint8_t core::get_ideal_hard_fork_version(uint64_t height) const
|
|
{
|
|
return get_blockchain_storage().get_ideal_hard_fork_version(height);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint8_t core::get_hard_fork_version(uint64_t height) const
|
|
{
|
|
return get_blockchain_storage().get_hard_fork_version(height);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint64_t core::get_earliest_ideal_height_for_version(uint8_t version) const
|
|
{
|
|
return get_blockchain_storage().get_earliest_ideal_height_for_version(version);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_updates()
|
|
{
|
|
static const char software[] = "monero";
|
|
#ifdef BUILD_TAG
|
|
static const char buildtag[] = BOOST_PP_STRINGIZE(BUILD_TAG);
|
|
static const char subdir[] = "cli"; // because it can never be simple
|
|
#else
|
|
static const char buildtag[] = "source";
|
|
static const char subdir[] = "source"; // because it can never be simple
|
|
#endif
|
|
|
|
if (m_offline)
|
|
return true;
|
|
|
|
if (check_updates_level == UPDATES_DISABLED)
|
|
return true;
|
|
|
|
std::string version, hash;
|
|
MCDEBUG("updates", "Checking for a new " << software << " version for " << buildtag);
|
|
if (!tools::check_updates(software, buildtag, version, hash))
|
|
return false;
|
|
|
|
if (tools::vercmp(version.c_str(), MONERO_VERSION) <= 0)
|
|
{
|
|
m_update_available = false;
|
|
return true;
|
|
}
|
|
|
|
std::string url = tools::get_update_url(software, subdir, buildtag, version, true);
|
|
MCLOG_CYAN(el::Level::Info, "global", "Version " << version << " of " << software << " for " << buildtag << " is available: " << url << ", SHA256 hash " << hash);
|
|
m_update_available = true;
|
|
|
|
if (check_updates_level == UPDATES_NOTIFY)
|
|
return true;
|
|
|
|
url = tools::get_update_url(software, subdir, buildtag, version, false);
|
|
std::string filename;
|
|
const char *slash = strrchr(url.c_str(), '/');
|
|
if (slash)
|
|
filename = slash + 1;
|
|
else
|
|
filename = std::string(software) + "-update-" + version;
|
|
boost::filesystem::path path(epee::string_tools::get_current_module_folder());
|
|
path /= filename;
|
|
|
|
boost::unique_lock<boost::mutex> lock(m_update_mutex);
|
|
|
|
if (m_update_download != 0)
|
|
{
|
|
MCDEBUG("updates", "Already downloading update");
|
|
return true;
|
|
}
|
|
|
|
crypto::hash file_hash;
|
|
if (!tools::sha256sum(path.string(), file_hash) || (hash != epee::string_tools::pod_to_hex(file_hash)))
|
|
{
|
|
MCDEBUG("updates", "We don't have that file already, downloading");
|
|
const std::string tmppath = path.string() + ".tmp";
|
|
if (epee::file_io_utils::is_file_exist(tmppath))
|
|
{
|
|
MCDEBUG("updates", "We have part of the file already, resuming download");
|
|
}
|
|
m_last_update_length = 0;
|
|
m_update_download = tools::download_async(tmppath, url, [this, hash, path](const std::string &tmppath, const std::string &uri, bool success) {
|
|
bool remove = false, good = true;
|
|
if (success)
|
|
{
|
|
crypto::hash file_hash;
|
|
if (!tools::sha256sum(tmppath, file_hash))
|
|
{
|
|
MCERROR("updates", "Failed to hash " << tmppath);
|
|
remove = true;
|
|
good = false;
|
|
}
|
|
else if (hash != epee::string_tools::pod_to_hex(file_hash))
|
|
{
|
|
MCERROR("updates", "Download from " << uri << " does not match the expected hash");
|
|
remove = true;
|
|
good = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
MCERROR("updates", "Failed to download " << uri);
|
|
good = false;
|
|
}
|
|
boost::unique_lock<boost::mutex> lock(m_update_mutex);
|
|
m_update_download = 0;
|
|
if (success && !remove)
|
|
{
|
|
std::error_code e = tools::replace_file(tmppath, path.string());
|
|
if (e)
|
|
{
|
|
MCERROR("updates", "Failed to rename downloaded file");
|
|
good = false;
|
|
}
|
|
}
|
|
else if (remove)
|
|
{
|
|
if (!boost::filesystem::remove(tmppath))
|
|
{
|
|
MCERROR("updates", "Failed to remove invalid downloaded file");
|
|
good = false;
|
|
}
|
|
}
|
|
if (good)
|
|
MCLOG_CYAN(el::Level::Info, "updates", "New version downloaded to " << path.string());
|
|
}, [this](const std::string &path, const std::string &uri, size_t length, ssize_t content_length) {
|
|
if (length >= m_last_update_length + 1024 * 1024 * 10)
|
|
{
|
|
m_last_update_length = length;
|
|
MCDEBUG("updates", "Downloaded " << length << "/" << (content_length ? std::to_string(content_length) : "unknown"));
|
|
}
|
|
return true;
|
|
});
|
|
}
|
|
else
|
|
{
|
|
MCDEBUG("updates", "We already have " << path << " with expected hash");
|
|
}
|
|
|
|
lock.unlock();
|
|
|
|
if (check_updates_level == UPDATES_DOWNLOAD)
|
|
return true;
|
|
|
|
MCERROR("updates", "Download/update not implemented yet");
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_disk_space()
|
|
{
|
|
uint64_t free_space = get_free_space();
|
|
if (free_space < 1ull * 1024 * 1024 * 1024) // 1 GB
|
|
{
|
|
const el::Level level = el::Level::Warning;
|
|
MCLOG_RED(level, "global", "Free space is below 1 GB on " << m_config_folder);
|
|
}
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
double factorial(unsigned int n)
|
|
{
|
|
if (n <= 1)
|
|
return 1.0;
|
|
double f = n;
|
|
while (n-- > 1)
|
|
f *= n;
|
|
return f;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
static double probability(unsigned int blocks, unsigned int expected)
|
|
{
|
|
// https://www.umass.edu/wsp/resources/poisson/#computing
|
|
return pow(expected, blocks) / (factorial(blocks) * exp(expected));
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
bool core::check_block_rate()
|
|
{
|
|
if (m_offline || m_target_blockchain_height > get_current_blockchain_height())
|
|
{
|
|
MDEBUG("Not checking block rate, offline or syncing");
|
|
return true;
|
|
}
|
|
|
|
static constexpr double threshold = 1. / (864000 / DIFFICULTY_TARGET_V2); // one false positive every 10 days
|
|
|
|
const time_t now = time(NULL);
|
|
const std::vector<time_t> timestamps = m_blockchain_storage.get_last_block_timestamps(60);
|
|
|
|
static const unsigned int seconds[] = { 5400, 1800, 600 };
|
|
for (size_t n = 0; n < sizeof(seconds)/sizeof(seconds[0]); ++n)
|
|
{
|
|
unsigned int b = 0;
|
|
for (time_t ts: timestamps) b += ts >= now - seconds[n];
|
|
const double p = probability(b, seconds[n] / DIFFICULTY_TARGET_V2);
|
|
MDEBUG("blocks in the last " << seconds[n] / 60 << " minutes: " << b << " (probability " << p << ")");
|
|
if (p < threshold)
|
|
{
|
|
MWARNING("There were " << b << " blocks in the last " << seconds[n] / 60 << " minutes, there might be large hash rate changes, or we might be partitioned, cut off from the Monero network or under attack. Or it could be just sheer bad luck.");
|
|
break; // no need to look further
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::set_target_blockchain_height(uint64_t target_blockchain_height)
|
|
{
|
|
m_target_blockchain_height = target_blockchain_height;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint64_t core::get_target_blockchain_height() const
|
|
{
|
|
return m_target_blockchain_height;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint64_t core::prevalidate_block_hashes(uint64_t height, const std::vector<crypto::hash> &hashes)
|
|
{
|
|
return get_blockchain_storage().prevalidate_block_hashes(height, hashes);
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
uint64_t core::get_free_space() const
|
|
{
|
|
boost::filesystem::path path(m_config_folder);
|
|
boost::filesystem::space_info si = boost::filesystem::space(path);
|
|
return si.available;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
std::time_t core::get_start_time() const
|
|
{
|
|
return start_time;
|
|
}
|
|
//-----------------------------------------------------------------------------------------------
|
|
void core::graceful_exit()
|
|
{
|
|
raise(SIGTERM);
|
|
}
|
|
}
|