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65e33b1bc5
monero/src/cryptonote_core/cryptonote_core.cpp
Riccardo Spagni 65e33b1bc5
Merge pull request #1506 
3ff54bdd Check for correct thread before ending batch transaction (Howard Chu)
eaf8470b Must wait for previous batch to finish before starting new one (Howard Chu)
c903c554 Don't cache block height, always get from DB (Howard Chu)
eb1fb601 Tweak default db-sync-mode to fast:async:1 (Howard Chu)
0693cff9 Use batch transactions when syncing (Howard Chu)
2017-01-15 14:43:12 -05:00

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// Copyright (c) 2014-2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include "include_base_utils.h"
using namespace epee;
#include <boost/foreach.hpp>
#include <unordered_set>
#include "cryptonote_core.h"
#include "common/command_line.h"
#include "common/util.h"
#include "warnings.h"
#include "crypto/crypto.h"
#include "cryptonote_config.h"
#include "cryptonote_format_utils.h"
#include "misc_language.h"
#include <csignal>
#include "cryptonote_core/checkpoints.h"
#include "ringct/rctTypes.h"
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"
#if defined(BERKELEY_DB)
#include "blockchain_db/berkeleydb/db_bdb.h"
#endif
DISABLE_VS_WARNINGS(4355)
namespace cryptonote
{
//-----------------------------------------------------------------------------------------------
core::core(i_cryptonote_protocol* pprotocol):
m_mempool(m_blockchain_storage),
m_blockchain_storage(m_mempool),
m_miner(this),
m_miner_address(boost::value_initialized<account_public_address>()),
m_starter_message_showed(false),
m_target_blockchain_height(0),
m_checkpoints_path(""),
m_last_dns_checkpoints_update(0),
m_last_json_checkpoints_update(0)
{
set_cryptonote_protocol(pprotocol);
}
void core::set_cryptonote_protocol(i_cryptonote_protocol* pprotocol)
{
if(pprotocol)
m_pprotocol = pprotocol;
else
m_pprotocol = &m_protocol_stub;
}
//-----------------------------------------------------------------------------------
void core::set_checkpoints(checkpoints&& chk_pts)
{
m_blockchain_storage.set_checkpoints(std::move(chk_pts));
}
//-----------------------------------------------------------------------------------
void core::set_checkpoints_file_path(const std::string& path)
{
m_checkpoints_path = path;
}
//-----------------------------------------------------------------------------------
void core::set_enforce_dns_checkpoints(bool enforce_dns)
{
m_blockchain_storage.set_enforce_dns_checkpoints(enforce_dns);
}
//-----------------------------------------------------------------------------------------------
bool core::update_checkpoints()
{
if (m_testnet || m_fakechain) return true;
if (m_checkpoints_updating.test_and_set()) return true;
bool res = true;
if (time(NULL) - m_last_dns_checkpoints_update >= 3600)
{
res = m_blockchain_storage.update_checkpoints(m_checkpoints_path, true);
m_last_dns_checkpoints_update = time(NULL);
m_last_json_checkpoints_update = time(NULL);
}
else if (time(NULL) - m_last_json_checkpoints_update >= 600)
{
res = m_blockchain_storage.update_checkpoints(m_checkpoints_path, false);
m_last_json_checkpoints_update = time(NULL);
}
m_checkpoints_updating.clear();
// if anything fishy happened getting new checkpoints, bring down the house
if (!res)
{
graceful_exit();
}
return res;
}
//-----------------------------------------------------------------------------------
void core::stop()
{
m_blockchain_storage.cancel();
}
//-----------------------------------------------------------------------------------
void core::init_options(boost::program_options::options_description& desc)
{
command_line::add_arg(desc, command_line::arg_data_dir, tools::get_default_data_dir());
command_line::add_arg(desc, command_line::arg_testnet_data_dir, (boost::filesystem::path(tools::get_default_data_dir()) / "testnet").string());
command_line::add_arg(desc, command_line::arg_test_drop_download);
command_line::add_arg(desc, command_line::arg_test_drop_download_height);
command_line::add_arg(desc, command_line::arg_testnet_on);
command_line::add_arg(desc, command_line::arg_dns_checkpoints);
command_line::add_arg(desc, command_line::arg_db_type);
command_line::add_arg(desc, command_line::arg_prep_blocks_threads);
command_line::add_arg(desc, command_line::arg_fast_block_sync);
command_line::add_arg(desc, command_line::arg_db_sync_mode);
command_line::add_arg(desc, command_line::arg_show_time_stats);
command_line::add_arg(desc, command_line::arg_block_sync_size);
}
//-----------------------------------------------------------------------------------------------
bool core::handle_command_line(const boost::program_options::variables_map& vm)
{
m_testnet = command_line::get_arg(vm, command_line::arg_testnet_on);
auto data_dir_arg = m_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
m_config_folder = command_line::get_arg(vm, data_dir_arg);
auto data_dir = boost::filesystem::path(m_config_folder);
if (!m_testnet && !m_fakechain)
{
cryptonote::checkpoints checkpoints;
if (!checkpoints.init_default_checkpoints())
{
throw std::runtime_error("Failed to initialize checkpoints");
}
set_checkpoints(std::move(checkpoints));
boost::filesystem::path json(JSON_HASH_FILE_NAME);
boost::filesystem::path checkpoint_json_hashfile_fullpath = data_dir / json;
set_checkpoints_file_path(checkpoint_json_hashfile_fullpath.string());
}
set_enforce_dns_checkpoints(command_line::get_arg(vm, command_line::arg_dns_checkpoints));
test_drop_download_height(command_line::get_arg(vm, command_line::arg_test_drop_download_height));
if (command_line::get_arg(vm, command_line::arg_test_drop_download) == true)
test_drop_download();
return true;
}
//-----------------------------------------------------------------------------------------------
uint64_t core::get_current_blockchain_height() const
{
return m_blockchain_storage.get_current_blockchain_height();
}
//-----------------------------------------------------------------------------------------------
bool core::get_blockchain_top(uint64_t& height, crypto::hash& top_id) const
{
top_id = m_blockchain_storage.get_tail_id(height);
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks, std::list<transaction>& txs) const
{
return m_blockchain_storage.get_blocks(start_offset, count, blocks, txs);
}
//-----------------------------------------------------------------------------------------------
bool core::get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks) const
{
return m_blockchain_storage.get_blocks(start_offset, count, blocks);
} //-----------------------------------------------------------------------------------------------
bool core::get_transactions(const std::vector<crypto::hash>& txs_ids, std::list<transaction>& txs, std::list<crypto::hash>& missed_txs) const
{
return m_blockchain_storage.get_transactions(txs_ids, txs, missed_txs);
}
//-----------------------------------------------------------------------------------------------
bool core::get_alternative_blocks(std::list<block>& blocks) const
{
return m_blockchain_storage.get_alternative_blocks(blocks);
}
//-----------------------------------------------------------------------------------------------
size_t core::get_alternative_blocks_count() const
{
return m_blockchain_storage.get_alternative_blocks_count();
}
//-----------------------------------------------------------------------------------------------
bool core::lock_db_directory(const boost::filesystem::path &path)
{
// boost doesn't like locking directories...
const boost::filesystem::path lock_path = path / ".daemon_lock";
try
{
// ensure the file exists
std::ofstream(lock_path.string(), std::ios::out).close();
db_lock = boost::interprocess::file_lock(lock_path.string().c_str());
LOG_PRINT_L1("Locking " << lock_path.string());
if (!db_lock.try_lock())
{
LOG_ERROR("Failed to lock " << lock_path.string());
return false;
}
return true;
}
catch (const std::exception &e)
{
LOG_ERROR("Error trying to lock " << lock_path.string() << ": " << e.what());
return false;
}
}
//-----------------------------------------------------------------------------------------------
bool core::unlock_db_directory()
{
db_lock.unlock();
db_lock = boost::interprocess::file_lock();
LOG_PRINT_L1("Blockchain directory successfully unlocked");
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::init(const boost::program_options::variables_map& vm, const cryptonote::test_options *test_options)
{
start_time = std::time(nullptr);
m_fakechain = test_options != NULL;
bool r = handle_command_line(vm);
r = m_mempool.init(m_fakechain ? std::string() : m_config_folder);
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize memory pool");
std::string db_type = command_line::get_arg(vm, command_line::arg_db_type);
std::string db_sync_mode = command_line::get_arg(vm, command_line::arg_db_sync_mode);
bool fast_sync = command_line::get_arg(vm, command_line::arg_fast_block_sync) != 0;
uint64_t blocks_threads = command_line::get_arg(vm, command_line::arg_prep_blocks_threads);
boost::filesystem::path folder(m_config_folder);
if (m_fakechain)
folder /= "fake";
// make sure the data directory exists, and try to lock it
CHECK_AND_ASSERT_MES (boost::filesystem::exists(folder) || boost::filesystem::create_directories(folder), false,
std::string("Failed to create directory ").append(folder.string()).c_str());
if (!lock_db_directory (folder))
{
LOG_ERROR ("Failed to lock " << folder);
return false;
}
// check for blockchain.bin
try
{
const boost::filesystem::path old_files = folder;
if (boost::filesystem::exists(old_files / "blockchain.bin"))
{
LOG_PRINT_RED_L0("Found old-style blockchain.bin in " << old_files.string());
LOG_PRINT_RED_L0("Monero now uses a new format. You can either remove blockchain.bin to start syncing");
LOG_PRINT_RED_L0("the blockchain anew, or use monero-blockchain-export and monero-blockchain-import to");
LOG_PRINT_RED_L0("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 (...) { }
BlockchainDB* db = nullptr;
uint64_t DBS_FAST_MODE = 0;
uint64_t DBS_FASTEST_MODE = 0;
uint64_t DBS_SAFE_MODE = 0;
if (db_type == "lmdb")
{
db = new BlockchainLMDB();
DBS_SAFE_MODE = MDB_NORDAHEAD;
DBS_FAST_MODE = MDB_NORDAHEAD | MDB_NOSYNC;
DBS_FASTEST_MODE = MDB_NORDAHEAD | MDB_NOSYNC | MDB_WRITEMAP | MDB_MAPASYNC;
}
else
{
LOG_ERROR("Attempted to use non-existent database type");
return false;
}
folder /= db->get_db_name();
LOG_PRINT_L0("Loading blockchain from folder " << folder.string() << " ...");
const std::string filename = folder.string();
// default to fast:async:1
blockchain_db_sync_mode sync_mode = db_async;
uint64_t blocks_per_sync = 1;
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(" :"));
for(const auto &option : options)
LOG_PRINT_L0("option: " << option);
// default to fast:async:1
uint64_t DEFAULT_FLAGS = DBS_FAST_MODE;
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 = DBS_SAFE_MODE;
sync_mode = db_nosync;
}
else if(options[0] == "fast")
db_flags = DBS_FAST_MODE;
else if(options[0] == "fastest")
{
db_flags = DBS_FASTEST_MODE;
blocks_per_sync = 1000; // default to fastest:async:1000
}
else
db_flags = DEFAULT_FLAGS;
}
if(options.size() >= 2 && !safemode)
{
if(options[1] == "sync")
sync_mode = db_sync;
else if(options[1] == "async")
sync_mode = db_async;
}
if(options.size() >= 3 && !safemode)
{
char *endptr;
uint64_t bps = strtoull(options[2].c_str(), &endptr, 0);
if (*endptr == '\0')
blocks_per_sync = bps;
}
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,
blocks_per_sync, sync_mode, fast_sync);
r = m_blockchain_storage.init(db, m_testnet, test_options);
// 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, command_line::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, command_line::arg_block_sync_size);
if (block_sync_size == 0)
block_sync_size = BLOCKS_SYNCHRONIZING_DEFAULT_COUNT;
// 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.");
r = m_miner.init(vm, m_testnet);
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();
unlock_db_directory();
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(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
{
tvc = boost::value_initialized<tx_verification_context>();
//want to process all transactions sequentially
CRITICAL_REGION_LOCAL(m_incoming_tx_lock);
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;
}
crypto::hash tx_hash = null_hash;
crypto::hash tx_prefixt_hash = null_hash;
transaction tx;
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;
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;
}
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;
}
if(!check_tx_semantic(tx, keeped_by_block))
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
tvc.m_verifivation_failed = true;
return false;
}
bool r = add_new_tx(tx, tx_hash, tx_prefixt_hash, tx_blob.size(), tvc, keeped_by_block, relayed);
if(tvc.m_verifivation_failed)
{LOG_PRINT_RED_L1("Transaction verification failed: " << tx_hash);}
else if(tvc.m_verifivation_impossible)
{LOG_PRINT_RED_L1("Transaction verification impossible: " << tx_hash);}
if(tvc.m_added_to_pool)
LOG_PRINT_L1("tx added: " << tx_hash);
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())
{
LOG_PRINT_RED_L1("tx with empty inputs, rejected for tx id= " << get_transaction_hash(tx));
return false;
}
if(!check_inputs_types_supported(tx))
{
LOG_PRINT_RED_L1("unsupported input types for tx id= " << get_transaction_hash(tx));
return false;
}
if(!check_outs_valid(tx))
{
LOG_PRINT_RED_L1("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())
{
LOG_PRINT_RED_L1("tx with mismatched vout/outPk count, rejected for tx id= " << get_transaction_hash(tx));
return false;
}
}
if(!check_money_overflow(tx))
{
LOG_PRINT_RED_L1("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)
{
LOG_PRINT_RED_L1("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_object_blobsize(tx) >= m_blockchain_storage.get_current_cumulative_blocksize_limit() - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE)
{
LOG_PRINT_RED_L1("tx is too large " << get_object_blobsize(tx) << ", expected not bigger than " << m_blockchain_storage.get_current_cumulative_blocksize_limit() - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE);
return false;
}
//check if tx use different key images
if(!check_tx_inputs_keyimages_diff(tx))
{
LOG_PRINT_RED_L1("tx uses a single key image more than once");
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();
BOOST_FOREACH(auto& ki, key_im)
{
spent.push_back(m_blockchain_storage.have_tx_keyimg_as_spent(ki));
}
return true;
}
//-----------------------------------------------------------------------------------------------
std::pair<uint64_t, uint64_t> core::get_coinbase_tx_sum(const uint64_t start_offset, const size_t count)
{
std::list<block> blocks;
uint64_t emission_amount = 0;
uint64_t total_fee_amount = 0;
this->get_blocks(start_offset, count, blocks);
BOOST_FOREACH(auto& b, blocks)
{
std::list<transaction> txs;
std::list<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;
BOOST_FOREACH(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 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;
BOOST_FOREACH(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::add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
{
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);
return add_new_tx(tx, tx_hash, tx_prefix_hash, bl.size(), tvc, keeped_by_block, relayed);
}
//-----------------------------------------------------------------------------------------------
size_t core::get_blockchain_total_transactions() const
{
return m_blockchain_storage.get_total_transactions();
}
//-----------------------------------------------------------------------------------------------
bool core::add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
{
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, blob_size, tvc, keeped_by_block, relayed, version);
}
//-----------------------------------------------------------------------------------------------
bool core::relay_txpool_transactions()
{
// we attempt to relay txes that should be relayed, but were not
std::list<std::pair<crypto::hash, cryptonote::transaction>> txs;
if (m_mempool.get_relayable_transactions(txs))
{
cryptonote_connection_context fake_context = AUTO_VAL_INIT(fake_context);
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
NOTIFY_NEW_TRANSACTIONS::request r;
blobdata bl;
for (auto it = txs.begin(); it != txs.end(); ++it)
{
t_serializable_object_to_blob(it->second, bl);
r.txs.push_back(bl);
}
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::list<std::pair<crypto::hash, cryptonote::transaction>> 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)));
m_mempool.set_relayed(txs);
}
//-----------------------------------------------------------------------------------------------
bool core::get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, const blobdata& ex_nonce)
{
return m_blockchain_storage.create_block_template(b, adr, diffic, height, 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::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count) const
{
return m_blockchain_storage.find_blockchain_supplement(req_start_block, qblock_ids, blocks, total_height, start_height, max_count);
}
//-----------------------------------------------------------------------------------------------
void core::print_blockchain(uint64_t start_index, uint64_t end_index) const
{
m_blockchain_storage.print_blockchain(start_index, end_index);
}
//-----------------------------------------------------------------------------------------------
void core::print_blockchain_index() const
{
m_blockchain_storage.print_blockchain_index();
}
//-----------------------------------------------------------------------------------------------
void core::print_blockchain_outs(const std::string& file)
{
m_blockchain_storage.print_blockchain_outs(file);
}
//-----------------------------------------------------------------------------------------------
bool core::get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res) const
{
return m_blockchain_storage.get_random_outs_for_amounts(req, res);
}
//-----------------------------------------------------------------------------------------------
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_random_rct_outs(const COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::request& req, COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::response& res) const
{
return m_blockchain_storage.get_random_rct_outs(req, res);
}
//-----------------------------------------------------------------------------------------------
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();
}
//-----------------------------------------------------------------------------------------------
bool core::handle_block_found(block& b)
{
block_verification_context bvc = boost::value_initialized<block_verification_context>();
m_miner.pause();
m_blockchain_storage.add_new_block(b, bvc);
//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.hop = 0;
arg.current_blockchain_height = m_blockchain_storage.get_current_blockchain_height();
std::list<crypto::hash> missed_txs;
std::list<transaction> txs;
m_blockchain_storage.get_transactions(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, "cant 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
BOOST_FOREACH(auto& tx, txs)
arg.b.txs.push_back(t_serializable_object_to_blob(tx));
m_pprotocol->relay_block(arg, exclude_context);
}
return bvc.m_added_to_main_chain;
}
//-----------------------------------------------------------------------------------------------
void core::on_synchronized()
{
m_miner.on_synchronized();
}
//-----------------------------------------------------------------------------------------------
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::list<block_complete_entry> &blocks)
{
m_blockchain_storage.prepare_handle_incoming_blocks(blocks);
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::cleanup_handle_incoming_blocks(bool force_sync)
{
m_blockchain_storage.cleanup_handle_incoming_blocks(force_sync);
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_block(const blobdata& block_blob, block_verification_context& bvc, bool update_miner_blocktemplate)
{
// 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;
}
//-----------------------------------------------------------------------------------------------
// 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();
}
//-----------------------------------------------------------------------------------------------
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::list<transaction>& txs) const
{
m_mempool.get_transactions(txs);
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::get_pool_transaction(const crypto::hash &id, transaction& tx) const
{
return m_mempool.get_transaction(id, tx);
}
//-----------------------------------------------------------------------------------------------
bool core::get_pool_transactions_and_spent_keys_info(std::vector<tx_info>& tx_infos, std::vector<spent_key_image_info>& key_image_infos) const
{
return m_mempool.get_transactions_and_spent_keys_info(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) const
{
return m_blockchain_storage.get_block_by_hash(h, blk);
}
//-----------------------------------------------------------------------------------------------
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)
{
LOG_PRINT_L0(ENDL << "**********************************************************************" << ENDL
<< "The daemon will start synchronizing with the network. It may take up to several hours." << ENDL
<< ENDL
<< "You can set the level of process detailization* through \"set_log <level>\" command*, where <level> is between 0 (no details) and 4 (very verbose)." << ENDL
<< ENDL
<< "Use \"help\" command to see the list of available commands." << ENDL
<< ENDL
<< "Note: in case you need to interrupt the process, use \"exit\" command. Otherwise, the current progress won't be saved." << 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_miner.on_idle();
m_mempool.on_idle();
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::check_fork_time()
{
HardFork::State state = m_blockchain_storage.get_hard_fork_state();
switch (state) {
case HardFork::LikelyForked:
LOG_PRINT_RED_L0(ENDL
<< "**********************************************************************" << ENDL
<< "Last scheduled hard fork is too far in the past." << ENDL
<< "We are most likely forked from the network. Daemon update needed now." << ENDL
<< "**********************************************************************" << ENDL);
break;
case HardFork::UpdateNeeded:
LOG_PRINT_RED_L0(ENDL
<< "**********************************************************************" << ENDL
<< "Last scheduled hard fork time shows a daemon update is needed now." << ENDL
<< "**********************************************************************" << ENDL);
break;
default:
break;
}
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;
}
//-----------------------------------------------------------------------------------------------
std::time_t core::get_start_time() const
{
return start_time;
}
//-----------------------------------------------------------------------------------------------
void core::graceful_exit()
{
raise(SIGTERM);
}
}
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