Merge pull request #4901
pull/200/heada48f2dab
blockchain_prune_known_spent_data: blackball file is now optional (moneromooo-monero)17b45725
Outputs where all amounts are known spent can now be pruned (moneromooo-monero)
commit
d855f9bb92
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// 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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#include <boost/algorithm/string.hpp>
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#include "common/command_line.h"
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#include "serialization/crypto.h"
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#include "cryptonote_core/tx_pool.h"
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#include "cryptonote_core/cryptonote_core.h"
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#include "cryptonote_core/blockchain.h"
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#include "blockchain_db/blockchain_db.h"
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#include "blockchain_db/db_types.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 "bcutil"
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namespace po = boost::program_options;
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using namespace epee;
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using namespace cryptonote;
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static std::map<uint64_t, uint64_t> load_outputs(const std::string &filename)
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{
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std::map<uint64_t, uint64_t> outputs;
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uint64_t amount = std::numeric_limits<uint64_t>::max();
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FILE *f;
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f = fopen(filename.c_str(), "r");
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if (!f)
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{
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MERROR("Failed to load outputs from " << filename << ": " << strerror(errno));
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return {};
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}
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while (1)
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{
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char s[256];
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if (!fgets(s, sizeof(s), f))
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break;
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if (feof(f))
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break;
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const size_t len = strlen(s);
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if (len > 0 && s[len - 1] == '\n')
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s[len - 1] = 0;
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if (!s[0])
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continue;
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std::pair<uint64_t, uint64_t> output;
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uint64_t offset, num_offsets;
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if (sscanf(s, "@%" PRIu64, &amount) == 1)
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{
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continue;
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}
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if (amount == std::numeric_limits<uint64_t>::max())
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{
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MERROR("Bad format in " << filename);
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continue;
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}
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if (sscanf(s, "%" PRIu64 "*%" PRIu64, &offset, &num_offsets) == 2 && num_offsets < std::numeric_limits<uint64_t>::max() - offset)
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{
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outputs[amount] += num_offsets;
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}
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else if (sscanf(s, "%" PRIu64, &offset) == 1)
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{
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outputs[amount] += 1;
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}
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else
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{
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MERROR("Bad format in " << filename);
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continue;
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}
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}
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fclose(f);
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return outputs;
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}
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int main(int argc, char* argv[])
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{
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TRY_ENTRY();
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epee::string_tools::set_module_name_and_folder(argv[0]);
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std::string default_db_type = "lmdb";
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std::string available_dbs = cryptonote::blockchain_db_types(", ");
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available_dbs = "available: " + available_dbs;
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uint32_t log_level = 0;
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tools::on_startup();
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po::options_description desc_cmd_only("Command line options");
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po::options_description desc_cmd_sett("Command line options and settings options");
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const command_line::arg_descriptor<std::string> arg_log_level = {"log-level", "0-4 or categories", ""};
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const command_line::arg_descriptor<std::string> arg_database = {
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"database", available_dbs.c_str(), default_db_type
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};
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const command_line::arg_descriptor<bool> arg_verbose = {"verbose", "Verbose output", false};
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const command_line::arg_descriptor<bool> arg_dry_run = {"dry-run", "Do not actually prune", false};
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const command_line::arg_descriptor<std::string> arg_input = {"input", "Path to the known spent outputs file"};
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command_line::add_arg(desc_cmd_sett, cryptonote::arg_data_dir);
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command_line::add_arg(desc_cmd_sett, cryptonote::arg_testnet_on);
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command_line::add_arg(desc_cmd_sett, cryptonote::arg_stagenet_on);
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command_line::add_arg(desc_cmd_sett, arg_log_level);
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command_line::add_arg(desc_cmd_sett, arg_database);
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command_line::add_arg(desc_cmd_sett, arg_verbose);
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command_line::add_arg(desc_cmd_sett, arg_dry_run);
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command_line::add_arg(desc_cmd_sett, arg_input);
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command_line::add_arg(desc_cmd_only, command_line::arg_help);
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po::options_description desc_options("Allowed options");
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desc_options.add(desc_cmd_only).add(desc_cmd_sett);
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po::variables_map vm;
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bool r = command_line::handle_error_helper(desc_options, [&]()
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{
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auto parser = po::command_line_parser(argc, argv).options(desc_options);
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po::store(parser.run(), vm);
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po::notify(vm);
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return true;
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});
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if (! r)
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return 1;
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if (command_line::get_arg(vm, command_line::arg_help))
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{
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std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL;
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std::cout << desc_options << std::endl;
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return 1;
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}
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mlog_configure(mlog_get_default_log_path("monero-blockchain-prune-known-spent-data.log"), true);
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if (!command_line::is_arg_defaulted(vm, arg_log_level))
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mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str());
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else
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mlog_set_log(std::string(std::to_string(log_level) + ",bcutil:INFO").c_str());
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LOG_PRINT_L0("Starting...");
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std::string opt_data_dir = command_line::get_arg(vm, cryptonote::arg_data_dir);
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bool opt_testnet = command_line::get_arg(vm, cryptonote::arg_testnet_on);
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bool opt_stagenet = command_line::get_arg(vm, cryptonote::arg_stagenet_on);
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network_type net_type = opt_testnet ? TESTNET : opt_stagenet ? STAGENET : MAINNET;
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bool opt_verbose = command_line::get_arg(vm, arg_verbose);
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bool opt_dry_run = command_line::get_arg(vm, arg_dry_run);
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std::string db_type = command_line::get_arg(vm, arg_database);
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if (!cryptonote::blockchain_valid_db_type(db_type))
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{
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std::cerr << "Invalid database type: " << db_type << std::endl;
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return 1;
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}
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const std::string input = command_line::get_arg(vm, arg_input);
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LOG_PRINT_L0("Initializing source blockchain (BlockchainDB)");
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std::unique_ptr<Blockchain> core_storage;
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tx_memory_pool m_mempool(*core_storage);
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core_storage.reset(new Blockchain(m_mempool));
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BlockchainDB *db = new_db(db_type);
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if (db == NULL)
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{
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LOG_ERROR("Attempted to use non-existent database type: " << db_type);
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throw std::runtime_error("Attempting to use non-existent database type");
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}
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LOG_PRINT_L0("database: " << db_type);
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const std::string filename = (boost::filesystem::path(opt_data_dir) / db->get_db_name()).string();
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LOG_PRINT_L0("Loading blockchain from folder " << filename << " ...");
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try
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{
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db->open(filename, 0);
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}
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catch (const std::exception& e)
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{
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LOG_PRINT_L0("Error opening database: " << e.what());
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return 1;
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}
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r = core_storage->init(db, net_type);
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CHECK_AND_ASSERT_MES(r, 1, "Failed to initialize source blockchain storage");
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LOG_PRINT_L0("Source blockchain storage initialized OK");
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std::map<uint64_t, uint64_t> known_spent_outputs;
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if (input.empty())
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{
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std::map<uint64_t, std::pair<uint64_t, uint64_t>> outputs;
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LOG_PRINT_L0("Scanning for known spent data...");
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db->for_all_transactions([&](const crypto::hash &txid, const cryptonote::transaction &tx){
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const bool miner_tx = tx.vin.size() == 1 && tx.vin[0].type() == typeid(txin_gen);
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for (const auto &in: tx.vin)
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{
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if (in.type() != typeid(txin_to_key))
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continue;
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const auto &txin = boost::get<txin_to_key>(in);
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if (txin.amount == 0)
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continue;
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outputs[txin.amount].second++;
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}
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for (const auto &out: tx.vout)
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{
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uint64_t amount = out.amount;
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if (miner_tx && tx.version >= 2)
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amount = 0;
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if (amount == 0)
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continue;
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if (out.target.type() != typeid(txout_to_key))
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continue;
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outputs[amount].first++;
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}
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return true;
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}, true);
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for (const auto &i: outputs)
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{
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known_spent_outputs[i.first] = i.second.second;
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}
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}
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else
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{
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LOG_PRINT_L0("Loading known spent data...");
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known_spent_outputs = load_outputs(input);
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}
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LOG_PRINT_L0("Pruning known spent data...");
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bool stop_requested = false;
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tools::signal_handler::install([&stop_requested](int type) {
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stop_requested = true;
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});
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db->batch_start();
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size_t num_total_outputs = 0, num_prunable_outputs = 0, num_known_spent_outputs = 0, num_eligible_outputs = 0, num_eligible_known_spent_outputs = 0;
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for (auto i = known_spent_outputs.begin(); i != known_spent_outputs.end(); ++i)
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{
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uint64_t num_outputs = db->get_num_outputs(i->first);
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num_total_outputs += num_outputs;
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num_known_spent_outputs += i->second;
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if (i->first == 0 || is_valid_decomposed_amount(i->first))
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{
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if (opt_verbose)
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MINFO("Ignoring output value " << i->first << ", with " << num_outputs << " outputs");
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continue;
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}
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num_eligible_outputs += num_outputs;
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num_eligible_known_spent_outputs += i->second;
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if (opt_verbose)
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MINFO(i->first << ": " << i->second << "/" << num_outputs);
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if (num_outputs > i->second)
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continue;
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if (num_outputs && num_outputs < i->second)
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{
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MERROR("More outputs are spent than known for amount " << i->first << ", not touching");
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continue;
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}
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if (opt_verbose)
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MINFO("Pruning data for " << num_outputs << " outputs");
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if (!opt_dry_run)
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db->prune_outputs(i->first);
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num_prunable_outputs += i->second;
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}
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db->batch_stop();
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MINFO("Total outputs: " << num_total_outputs);
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MINFO("Known spent outputs: " << num_known_spent_outputs);
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MINFO("Eligible outputs: " << num_eligible_outputs);
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MINFO("Eligible known spent outputs: " << num_eligible_known_spent_outputs);
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MINFO("Prunable outputs: " << num_prunable_outputs);
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LOG_PRINT_L0("Blockchain known spent data pruned OK");
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core_storage->deinit();
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return 0;
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CATCH_ENTRY("Error", 1);
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}
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