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Merge pull request #2207

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c93b7692 blockchain_import: much faster when verifying with cryptonote::core (moneromooo-monero)
38756d00 core: new API to disable DNS checkpoint lookups (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-08-07 21:40:32 +02:00
commit a796cb341e
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GPG Key ID: 55432DF31CCD4FCD
5 changed files with 163 additions and 289 deletions
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14
src/blockchain_utilities/CMakeLists.txt
View File

@ -26,6 +26,16 @@
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF # 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. # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set(blocksdat "")
if(PER_BLOCK_CHECKPOINT)
if(APPLE)
add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && touch stub.c && ${CMAKE_C_COMPILER} -o stub.o -c stub.c COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -r -sectcreate __DATA __blocks_dat ../blocks/checkpoints.dat -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o stub.o && rm -f stub.*)
else()
add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && cp ../blocks/checkpoints.dat blocks.dat && ${CMAKE_LINKER} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o blocks.dat && rm -f blocks.dat)
endif()
set(blocksdat "blocksdat.o")
endif()
set(blockchain_import_sources set(blockchain_import_sources
blockchain_import.cpp blockchain_import.cpp
bootstrap_file.cpp bootstrap_file.cpp
@ -33,7 +43,6 @@ set(blockchain_import_sources
) )
set(blockchain_import_private_headers set(blockchain_import_private_headers
fake_core.h
bootstrap_file.h bootstrap_file.h
blocksdat_file.h blocksdat_file.h
bootstrap_serialization.h bootstrap_serialization.h
@ -65,7 +74,8 @@ set(cn_deserialize_sources
monero_add_executable(blockchain_import monero_add_executable(blockchain_import
${blockchain_import_sources} ${blockchain_import_sources}
${blockchain_import_private_headers}) ${blockchain_import_private_headers}
${blocksdat})
target_link_libraries(blockchain_import target_link_libraries(blockchain_import
PRIVATE PRIVATE

294
src/blockchain_utilities/blockchain_import.cpp
View File

@ -32,6 +32,7 @@
#include <fstream> #include <fstream>
#include <boost/filesystem.hpp> #include <boost/filesystem.hpp>
#include "misc_log_ex.h"
#include "bootstrap_file.h" #include "bootstrap_file.h"
#include "bootstrap_serialization.h" #include "bootstrap_serialization.h"
#include "cryptonote_basic/cryptonote_format_utils.h" #include "cryptonote_basic/cryptonote_format_utils.h"
@ -39,11 +40,10 @@
#include "serialization/json_utils.h" // dump_json() #include "serialization/json_utils.h" // dump_json()
#include "include_base_utils.h" #include "include_base_utils.h"
#include "blockchain_db/db_types.h" #include "blockchain_db/db_types.h"
#include "cryptonote_core/cryptonote_core.h"
#include <lmdb.h> // for db flag arguments #include <lmdb.h> // for db flag arguments
#include "fake_core.h"
#undef MONERO_DEFAULT_LOG_CATEGORY #undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "bcutil" #define MONERO_DEFAULT_LOG_CATEGORY "bcutil"
@ -205,20 +205,12 @@ int parse_db_arguments(const std::string& db_arg_str, std::string& db_type, int&
} }
template <typename FakeCore> int pop_blocks(cryptonote::core& core, int num_blocks)
int pop_blocks(FakeCore& simple_core, int num_blocks)
{ {
bool use_batch = false; bool use_batch = opt_batch;
if (opt_batch)
{
if (simple_core.support_batch)
use_batch = true;
else
MWARNING("WARNING: batch transactions enabled but unsupported or unnecessary for this database type - ignoring");
}
if (use_batch) if (use_batch)
simple_core.batch_start(); core.get_blockchain_storage().get_db().batch_start();
int quit = 0; int quit = 0;
block popped_block; block popped_block;
@ -226,12 +218,11 @@ int pop_blocks(FakeCore& simple_core, int num_blocks)
for (int i=0; i < num_blocks; ++i) for (int i=0; i < num_blocks; ++i)
{ {
// simple_core.m_storage.pop_block_from_blockchain() is private, so call directly through db // simple_core.m_storage.pop_block_from_blockchain() is private, so call directly through db
simple_core.m_storage.get_db().pop_block(popped_block, popped_txs); core.get_blockchain_storage().get_db().pop_block(popped_block, popped_txs);
quit = 1; quit = 1;
} }
if (use_batch) if (use_batch)
{ {
if (quit > 1) if (quit > 1)
@ -241,24 +232,73 @@ int pop_blocks(FakeCore& simple_core, int num_blocks)
} }
else else
{ {
simple_core.batch_stop(); core.get_blockchain_storage().get_db().batch_stop();
} }
simple_core.m_storage.get_db().show_stats(); core.get_blockchain_storage().get_db().show_stats();
} }
return num_blocks; return num_blocks;
} }
template <typename FakeCore> int check_flush(cryptonote::core &core, std::list<block_complete_entry> &blocks, bool force)
int import_from_file(FakeCore& simple_core, const std::string& import_file_path, uint64_t block_stop=0)
{ {
if (std::is_same<fake_core_db, FakeCore>::value) if (blocks.empty())
return 0;
if (!force && blocks.size() < db_batch_size)
return 0;
core.prepare_handle_incoming_blocks(blocks);
for(const block_complete_entry& block_entry: blocks)
{ {
// Reset stats, in case we're using newly created db, accumulating stats // process transactions
// from addition of genesis block. for(auto& tx_blob: block_entry.txs)
// This aligns internal db counts with importer counts. {
simple_core.m_storage.get_db().reset_stats(); tx_verification_context tvc = AUTO_VAL_INIT(tvc);
} core.handle_incoming_tx(tx_blob, tvc, true, true, false);
if(tvc.m_verifivation_failed)
{
MERROR("transaction verification failed, tx_id = "
<< epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)));
core.cleanup_handle_incoming_blocks();
return 1;
}
}
// process block
block_verification_context bvc = boost::value_initialized<block_verification_context>();
core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block
if(bvc.m_verifivation_failed)
{
MERROR("Block verification failed, id = "
<< epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block)));
core.cleanup_handle_incoming_blocks();
return 1;
}
if(bvc.m_marked_as_orphaned)
{
MERROR("Block received at sync phase was marked as orphaned");
core.cleanup_handle_incoming_blocks();
return 1;
}
} // each download block
core.cleanup_handle_incoming_blocks();
blocks.clear();
return 0;
}
int import_from_file(cryptonote::core& core, const std::string& import_file_path, uint64_t block_stop=0)
{
// Reset stats, in case we're using newly created db, accumulating stats
// from addition of genesis block.
// This aligns internal db counts with importer counts.
core.get_blockchain_storage().get_db().reset_stats();
boost::filesystem::path fs_import_file_path(import_file_path); boost::filesystem::path fs_import_file_path(import_file_path);
boost::system::error_code ec; boost::system::error_code ec;
if (!boost::filesystem::exists(fs_import_file_path, ec)) if (!boost::filesystem::exists(fs_import_file_path, ec))
@ -300,7 +340,7 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
uint64_t start_height = 1; uint64_t start_height = 1;
if (opt_resume) if (opt_resume)
start_height = simple_core.m_storage.get_current_blockchain_height(); start_height = core.get_blockchain_storage().get_current_blockchain_height();
// Note that a new blockchain will start with block number 0 (total blocks: 1) // Note that a new blockchain will start with block number 0 (total blocks: 1)
// due to genesis block being added at initialization. // due to genesis block being added at initialization.
@ -315,21 +355,16 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
MINFO("start block: " << start_height << " stop block: " << MINFO("start block: " << start_height << " stop block: " <<
block_stop); block_stop);
bool use_batch = false; bool use_batch = opt_batch && !opt_verify;
if (opt_batch)
{
if (simple_core.support_batch)
use_batch = true;
else
MWARNING("WARNING: batch transactions enabled but unsupported or unnecessary for this database type - ignoring");
}
if (use_batch) if (use_batch)
simple_core.batch_start(db_batch_size); core.get_blockchain_storage().get_db().batch_start(db_batch_size);
MINFO("Reading blockchain from bootstrap file..."); MINFO("Reading blockchain from bootstrap file...");
std::cout << ENDL; std::cout << ENDL;
std::list<block_complete_entry> blocks;
// Within the loop, we skip to start_height before we start adding. // Within the loop, we skip to start_height before we start adding.
// TODO: Not a bottleneck, but we can use what's done in count_blocks() and // TODO: Not a bottleneck, but we can use what's done in count_blocks() and
// only do the chunk size reads, skipping the chunk content reads until we're // only do the chunk size reads, skipping the chunk content reads until we're
@ -424,67 +459,34 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
<< std::flush; << std::flush;
} }
std::vector<transaction> txs; if (opt_verify)
std::vector<transaction> archived_txs;
archived_txs = bp.txs;
// std::cout << refresh_string;
// MDEBUG("txs: " << archived_txs.size());
// if archived_txs is invalid
// {
// std::cout << refresh_string;
// MFATAL("exception while de-archiving txs, height=" << h);
// quit = 1;
// break;
// }
// tx number 1: coinbase tx
// tx number 2 onwards: archived_txs
unsigned int tx_num = 1;
for (transaction tx : archived_txs)
{ {
++tx_num; cryptonote::blobdata block;
// if tx is invalid cryptonote::block_to_blob(bp.block, block);
// { std::list<cryptonote::blobdata> txs;
// MFATAL("exception while indexing tx from txs, height=" << h <<", tx_num=" << tx_num); for (const auto &tx: bp.txs)
// quit = 1;
// break;
// }
// std::cout << refresh_string;
// MDEBUG("tx hash: " << get_transaction_hash(tx));
// crypto::hash hsh = null_hash;
// size_t blob_size = 0;
// NOTE: all tx hashes except for coinbase tx are available in the block data
// get_transaction_hash(tx, hsh, blob_size);
// MDEBUG("tx " << tx_num << " " << hsh << " : " << ENDL);
// MDEBUG(obj_to_json_str(tx) << ENDL);
// add blocks with verification.
// for Blockchain and blockchain_storage add_new_block().
if (opt_verify)
{ {
// crypto::hash hsh = null_hash; txs.push_back(cryptonote::blobdata());
// size_t blob_size = 0; cryptonote::tx_to_blob(tx, txs.back());
// get_transaction_hash(tx, hsh, blob_size);
uint8_t version = simple_core.m_storage.get_current_hard_fork_version();
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
bool r = true;
r = simple_core.m_pool.add_tx(tx, tvc, true, true, false, version);
if (!r)
{
MFATAL("failed to add transaction to transaction pool, height=" << h <<", tx_num=" << tx_num);
quit = 1;
break;
}
} }
else blocks.push_back({block, txs});
int ret = check_flush(core, blocks, false);
if (ret)
break;
}
else
{
std::vector<transaction> txs;
std::vector<transaction> archived_txs;
archived_txs = bp.txs;
// tx number 1: coinbase tx
// tx number 2 onwards: archived_txs
for (transaction tx : archived_txs)
{ {
// add blocks with verification.
// for Blockchain and blockchain_storage add_new_block().
// for add_block() method, without (much) processing. // for add_block() method, without (much) processing.
// don't add coinbase transaction to txs. // don't add coinbase transaction to txs.
// //
@ -493,34 +495,7 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
// then a for loop for the transactions in txs. // then a for loop for the transactions in txs.
txs.push_back(tx); txs.push_back(tx);
} }
}
if (opt_verify)
{
block_verification_context bvc = boost::value_initialized<block_verification_context>();
simple_core.m_storage.add_new_block(b, bvc);
if (bvc.m_verifivation_failed)
{
MFATAL("Failed to add block to blockchain, verification failed, height = " << h);
MFATAL("skipping rest of file");
// ok to commit previously batched data because it failed only in
// verification of potential new block with nothing added to batch
// yet
quit = 1;
break;
}
if (! bvc.m_added_to_main_chain)
{
MFATAL("Failed to add block to blockchain, height = " << h);
MFATAL("skipping rest of file");
// make sure we don't commit partial block data
quit = 2;
break;
}
}
else
{
size_t block_size; size_t block_size;
difficulty_type cumulative_difficulty; difficulty_type cumulative_difficulty;
uint64_t coins_generated; uint64_t coins_generated;
@ -529,14 +504,9 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
cumulative_difficulty = bp.cumulative_difficulty; cumulative_difficulty = bp.cumulative_difficulty;
coins_generated = bp.coins_generated; coins_generated = bp.coins_generated;
// std::cout << refresh_string;
// MDEBUG("block_size: " << block_size);
// MDEBUG("cumulative_difficulty: " << cumulative_difficulty);
// MDEBUG("coins_generated: " << coins_generated);
try try
{ {
simple_core.add_block(b, block_size, cumulative_difficulty, coins_generated, txs); core.get_blockchain_storage().get_db().add_block(b, block_size, cumulative_difficulty, coins_generated, txs);
} }
catch (const std::exception& e) catch (const std::exception& e)
{ {
@ -545,22 +515,22 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
quit = 2; // make sure we don't commit partial block data quit = 2; // make sure we don't commit partial block data
break; break;
} }
}
++num_imported;
if (use_batch) if (use_batch)
{
if ((h-1) % db_batch_size == 0)
{ {
std::cout << refresh_string; if ((h-1) % db_batch_size == 0)
// zero-based height {
std::cout << ENDL << "[- batch commit at height " << h-1 << " -]" << ENDL; std::cout << refresh_string;
simple_core.batch_stop(); // zero-based height
simple_core.batch_start(db_batch_size); std::cout << ENDL << "[- batch commit at height " << h-1 << " -]" << ENDL;
std::cout << ENDL; core.get_blockchain_storage().get_db().batch_stop();
simple_core.m_storage.get_db().show_stats(); core.get_blockchain_storage().get_db().batch_start(db_batch_size);
std::cout << ENDL;
core.get_blockchain_storage().get_db().show_stats();
}
} }
} }
++num_imported;
} }
} }
catch (const std::exception& e) catch (const std::exception& e)
@ -573,6 +543,13 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
import_file.close(); import_file.close();
if (opt_verify)
{
int ret = check_flush(core, blocks, true);
if (ret)
return ret;
}
if (use_batch) if (use_batch)
{ {
if (quit > 1) if (quit > 1)
@ -582,14 +559,16 @@ int import_from_file(FakeCore& simple_core, const std::string& import_file_path,
} }
else else
{ {
simple_core.batch_stop(); core.get_blockchain_storage().get_db().batch_stop();
} }
simple_core.m_storage.get_db().show_stats();
MINFO("Number of blocks imported: " << num_imported);
if (h > 0)
// TODO: if there was an error, the last added block is probably at zero-based height h-2
MINFO("Finished at block: " << h-1 << " total blocks: " << h);
} }
core.get_blockchain_storage().get_db().show_stats();
MINFO("Number of blocks imported: " << num_imported);
if (h > 0)
// TODO: if there was an error, the last added block is probably at zero-based height h-2
MINFO("Finished at block: " << h-1 << " total blocks: " << h);
std::cout << ENDL; std::cout << ENDL;
return 0; return 0;
} }
@ -649,10 +628,10 @@ int main(int argc, char* argv[])
const command_line::arg_descriptor<bool> arg_resume = {"resume", const command_line::arg_descriptor<bool> arg_resume = {"resume",
"Resume from current height if output database already exists", true}; "Resume from current height if output database already exists", true};
command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string()); //command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string());
command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string()); //command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
command_line::add_arg(desc_cmd_sett, arg_input_file); command_line::add_arg(desc_cmd_sett, arg_input_file);
command_line::add_arg(desc_cmd_sett, arg_testnet_on); //command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_log_level); command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_database); command_line::add_arg(desc_cmd_sett, arg_database);
command_line::add_arg(desc_cmd_sett, arg_batch_size); command_line::add_arg(desc_cmd_sett, arg_batch_size);
@ -673,6 +652,7 @@ int main(int argc, char* argv[])
po::options_description desc_options("Allowed options"); po::options_description desc_options("Allowed options");
desc_options.add(desc_cmd_only).add(desc_cmd_sett); desc_options.add(desc_cmd_only).add(desc_cmd_sett);
cryptonote::core::init_options(desc_options);
po::variables_map vm; po::variables_map vm;
bool r = command_line::handle_error_helper(desc_options, [&]() bool r = command_line::handle_error_helper(desc_options, [&]()
@ -818,26 +798,34 @@ int main(int argc, char* argv[])
return 1; return 1;
} }
// for multi_db_compile: cryptonote::cryptonote_protocol_stub pr; //TODO: stub only for this kind of test, make real validation of relayed objects
fake_core_db simple_core(m_config_folder, opt_testnet, opt_batch, db_type, db_flags); cryptonote::core core(&pr);
core.disable_dns_checkpoints(true);
if (!core.init(vm, NULL))
{
std::cerr << "Failed to initialize core" << ENDL;
return 1;
}
core.get_blockchain_storage().get_db().set_batch_transactions(true);
if (! vm["pop-blocks"].defaulted()) if (! vm["pop-blocks"].defaulted())
{ {
num_blocks = command_line::get_arg(vm, arg_pop_blocks); num_blocks = command_line::get_arg(vm, arg_pop_blocks);
MINFO("height: " << simple_core.m_storage.get_current_blockchain_height()); MINFO("height: " << core.get_blockchain_storage().get_current_blockchain_height());
pop_blocks(simple_core, num_blocks); pop_blocks(core, num_blocks);
MINFO("height: " << simple_core.m_storage.get_current_blockchain_height()); MINFO("height: " << core.get_blockchain_storage().get_current_blockchain_height());
return 0; return 0;
} }
if (! vm["drop-hard-fork"].defaulted()) if (! vm["drop-hard-fork"].defaulted())
{ {
MINFO("Dropping hard fork tables..."); MINFO("Dropping hard fork tables...");
simple_core.m_storage.get_db().drop_hard_fork_info(); core.get_blockchain_storage().get_db().drop_hard_fork_info();
core.deinit();
return 0; return 0;
} }
import_from_file(simple_core, import_file_path, block_stop); import_from_file(core, import_file_path, block_stop);
} }
catch (const DB_ERROR& e) catch (const DB_ERROR& e)

133
src/blockchain_utilities/fake_core.h
View File

@ -1,133 +0,0 @@
// Copyright (c) 2014-2017, 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.
#pragma once
#include <boost/filesystem.hpp>
#include "cryptonote_core/blockchain.h" // BlockchainDB
#include "cryptonote_core/tx_pool.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
using namespace cryptonote;
namespace
{
// NOTE: These values should match blockchain.cpp
// TODO: Refactor
const uint64_t mainnet_hard_fork_version_1_till = 1009826;
const uint64_t testnet_hard_fork_version_1_till = 624633;
}
struct fake_core_db
{
Blockchain m_storage;
HardFork* m_hardfork = nullptr;
tx_memory_pool m_pool;
bool support_batch;
bool support_add_block;
// for multi_db_runtime:
fake_core_db(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true, const std::string& db_type="lmdb", const int db_flags=0) : m_pool(m_storage), m_storage(m_pool)
{
BlockchainDB* db = nullptr;
if (db_type == "lmdb")
db = new BlockchainLMDB();
#if defined(BERKELEY_DB)
else if (db_type == "berkeley")
db = new BlockchainBDB();
#endif
else
{
LOG_ERROR("Attempted to use non-existent database type: " << db_type);
throw std::runtime_error("Attempting to use non-existent database type");
}
boost::filesystem::path folder(path);
folder /= db->get_db_name();
LOG_PRINT_L0("Loading blockchain from folder " << folder.string() << " ...");
const std::string filename = folder.string();
try
{
db->open(filename, db_flags);
}
catch (const std::exception& e)
{
LOG_PRINT_L0("Error opening database: " << e.what());
throw;
}
db->check_hard_fork_info();
uint64_t hard_fork_version_1_till = use_testnet ? testnet_hard_fork_version_1_till : mainnet_hard_fork_version_1_till;
m_hardfork = new HardFork(*db, 1, hard_fork_version_1_till);
m_storage.init(db, m_hardfork, use_testnet);
m_pool.init();
if (do_batch)
m_storage.get_db().set_batch_transactions(do_batch);
support_batch = true;
support_add_block = true;
}
~fake_core_db()
{
m_storage.get_db().check_hard_fork_info();
m_storage.deinit();
}
uint64_t add_block(const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const std::vector<transaction>& txs
)
{
return m_storage.get_db().add_block(blk, block_size, cumulative_difficulty, coins_generated, txs);
}
bool batch_start(uint64_t batch_num_blocks = 0)
{
return m_storage.get_db().batch_start(batch_num_blocks);
}
void batch_stop()
{
m_storage.get_db().batch_stop();
}
};

3
src/cryptonote_core/cryptonote_core.cpp
View File

@ -77,6 +77,7 @@ namespace cryptonote
m_checkpoints_path(""), m_checkpoints_path(""),
m_last_dns_checkpoints_update(0), m_last_dns_checkpoints_update(0),
m_last_json_checkpoints_update(0), m_last_json_checkpoints_update(0),
m_disable_dns_checkpoints(false),
m_threadpool(tools::thread_group::optimal()), m_threadpool(tools::thread_group::optimal()),
m_update_download(0) m_update_download(0)
{ {
@ -108,7 +109,7 @@ namespace cryptonote
//----------------------------------------------------------------------------------------------- //-----------------------------------------------------------------------------------------------
bool core::update_checkpoints() bool core::update_checkpoints()
{ {
if (m_testnet || m_fakechain) return true; if (m_testnet || m_fakechain || m_disable_dns_checkpoints) return true;
if (m_checkpoints_updating.test_and_set()) return true; if (m_checkpoints_updating.test_and_set()) return true;

8
src/cryptonote_core/cryptonote_core.h
View File

@ -406,6 +406,13 @@ namespace cryptonote
*/ */
void set_enforce_dns_checkpoints(bool enforce_dns); void set_enforce_dns_checkpoints(bool enforce_dns);
/**
* @brief set whether or not to enable or disable DNS checkpoints
*
* @param disble whether to disable DNS checkpoints
*/
void disable_dns_checkpoints(bool disable = true) { m_disable_dns_checkpoints = disable; }
/** /**
* @copydoc tx_memory_pool::have_tx * @copydoc tx_memory_pool::have_tx
* *
@ -882,6 +889,7 @@ namespace cryptonote
time_t m_last_json_checkpoints_update; //!< time when json checkpoints were last updated time_t m_last_json_checkpoints_update; //!< time when json checkpoints were last updated
std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once
bool m_disable_dns_checkpoints;
size_t block_sync_size; size_t block_sync_size;