forked from wownero/wownero
jw
6 years ago
committed by
GitHub
commit
76c7878dea
@ -0,0 +1,305 @@
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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("wownero-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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@ -0,0 +1,72 @@
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"""
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https://github.com/pjdelport/backports.tempfile/blob/master/src/backports/tempfile.py
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Partial backport of Python 3.5's tempfile module:
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TemporaryDirectory
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Backport modifications are marked with marked with "XXX backport".
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"""
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from __future__ import absolute_import
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import sys
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import warnings as _warnings
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from shutil import rmtree as _rmtree
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from py2backports.weakref import finalize
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# XXX backport: Rather than backporting all of mkdtemp(), we just create a
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# thin wrapper implementing its Python 3.5 signature.
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if sys.version_info < (3, 5):
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from tempfile import mkdtemp as old_mkdtemp
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def mkdtemp(suffix=None, prefix=None, dir=None):
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"""
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Wrap `tempfile.mkdtemp()` to make the suffix and prefix optional (like Python 3.5).
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"""
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kwargs = {k: v for (k, v) in
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dict(suffix=suffix, prefix=prefix, dir=dir).items()
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if v is not None}
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return old_mkdtemp(**kwargs)
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else:
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from tempfile import mkdtemp
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# XXX backport: ResourceWarning was added in Python 3.2.
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# For earlier versions, fall back to RuntimeWarning instead.
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_ResourceWarning = RuntimeWarning if sys.version_info < (3, 2) else ResourceWarning
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class TemporaryDirectory(object):
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"""Create and return a temporary directory. This has the same
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behavior as mkdtemp but can be used as a context manager. For
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example:
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with TemporaryDirectory() as tmpdir:
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...
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Upon exiting the context, the directory and everything contained
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in it are removed.
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"""
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def __init__(self, suffix=None, prefix=None, dir=None):
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self.name = mkdtemp(suffix, prefix, dir)
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self._finalizer = finalize(
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self, self._cleanup, self.name,
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warn_message="Implicitly cleaning up {!r}".format(self))
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@classmethod
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def _cleanup(cls, name, warn_message):
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_rmtree(name)
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_warnings.warn(warn_message, _ResourceWarning)
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||||
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def __repr__(self):
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return "<{} {!r}>".format(self.__class__.__name__, self.name)
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|
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def __enter__(self):
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return self.name
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|
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def __exit__(self, exc, value, tb):
|
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self.cleanup()
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||||
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def cleanup(self):
|
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if self._finalizer.detach():
|
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_rmtree(self.name)
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@ -0,0 +1,148 @@
|
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"""
|
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https://github.com/pjdelport/backports.weakref/blob/master/src/backports/weakref.py
|
||||
Partial backport of Python 3.6's weakref module:
|
||||
finalize (new in Python 3.4)
|
||||
Backport modifications are marked with "XXX backport".
|
||||
"""
|
||||
from __future__ import absolute_import
|
||||
|
||||
import itertools
|
||||
import sys
|
||||
from weakref import ref
|
||||
|
||||
__all__ = ['finalize']
|
||||
|
||||
|
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class finalize(object):
|
||||
"""Class for finalization of weakrefable objects
|
||||
finalize(obj, func, *args, **kwargs) returns a callable finalizer
|
||||
object which will be called when obj is garbage collected. The
|
||||
first time the finalizer is called it evaluates func(*arg, **kwargs)
|
||||
and returns the result. After this the finalizer is dead, and
|
||||
calling it just returns None.
|
||||
When the program exits any remaining finalizers for which the
|
||||
atexit attribute is true will be run in reverse order of creation.
|
||||
By default atexit is true.
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||||
"""
|
||||
|
||||
# Finalizer objects don't have any state of their own. They are
|
||||
# just used as keys to lookup _Info objects in the registry. This
|
||||
# ensures that they cannot be part of a ref-cycle.
|
||||
|
||||
__slots__ = ()
|
||||
_registry = {}
|
||||
_shutdown = False
|
||||
_index_iter = itertools.count()
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||||
_dirty = False
|
||||
_registered_with_atexit = False
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||||
|
||||
class _Info(object):
|
||||
__slots__ = ("weakref", "func", "args", "kwargs", "atexit", "index")
|
||||
|
||||
def __init__(self, obj, func, *args, **kwargs):
|
||||
if not self._registered_with_atexit:
|
||||
# We may register the exit function more than once because
|
||||
# of a thread race, but that is harmless
|
||||
import atexit
|
||||
atexit.register(self._exitfunc)
|
||||
finalize._registered_with_atexit = True
|
||||
info = self._Info()
|
||||
info.weakref = ref(obj, self)
|
||||
info.func = func
|
||||
info.args = args
|
||||
info.kwargs = kwargs or None
|
||||
info.atexit = True
|
||||
info.index = next(self._index_iter)
|
||||
self._registry[self] = info
|
||||
finalize._dirty = True
|
||||
|
||||
def __call__(self, _=None):
|
||||
"""If alive then mark as dead and return func(*args, **kwargs);
|
||||
otherwise return None"""
|
||||
info = self._registry.pop(self, None)
|
||||
if info and not self._shutdown:
|
||||
return info.func(*info.args, **(info.kwargs or {}))
|
||||
|
||||
def detach(self):
|
||||
"""If alive then mark as dead and return (obj, func, args, kwargs);
|
||||
otherwise return None"""
|
||||
info = self._registry.get(self)
|
||||
obj = info and info.weakref()
|
||||
if obj is not None and self._registry.pop(self, None):
|
||||
return (obj, info.func, info.args, info.kwargs or {})
|
||||
|
||||
def peek(self):
|
||||
"""If alive then return (obj, func, args, kwargs);
|
||||
otherwise return None"""
|
||||
info = self._registry.get(self)
|
||||
obj = info and info.weakref()
|
||||
if obj is not None:
|
||||
return (obj, info.func, info.args, info.kwargs or {})
|
||||
|
||||
@property
|
||||
def alive(self):
|
||||
"""Whether finalizer is alive"""
|
||||
return self in self._registry
|
||||
|
||||
@property
|
||||
def atexit(self):
|
||||
"""Whether finalizer should be called at exit"""
|
||||
info = self._registry.get(self)
|
||||
return bool(info) and info.atexit
|
||||
|
||||
@atexit.setter
|
||||
def atexit(self, value):
|
||||
info = self._registry.get(self)
|
||||
if info:
|
||||
info.atexit = bool(value)
|
||||
|
||||
def __repr__(self):
|
||||
info = self._registry.get(self)
|
||||
obj = info and info.weakref()
|
||||
if obj is None:
|
||||
return '<%s object at %#x; dead>' % (type(self).__name__, id(self))
|
||||
else:
|
||||
return '<%s object at %#x; for %r at %#x>' % \
|
||||
(type(self).__name__, id(self), type(obj).__name__, id(obj))
|
||||
|
||||
@classmethod
|
||||
def _select_for_exit(cls):
|
||||
# Return live finalizers marked for exit, oldest first
|
||||
L = [(f,i) for (f,i) in cls._registry.items() if i.atexit]
|
||||
L.sort(key=lambda item:item[1].index)
|
||||
return [f for (f,i) in L]
|
||||
|
||||
@classmethod
|
||||
def _exitfunc(cls):
|
||||
# At shutdown invoke finalizers for which atexit is true.
|
||||
# This is called once all other non-daemonic threads have been
|
||||
# joined.
|
||||
reenable_gc = False
|
||||
try:
|
||||
if cls._registry:
|
||||
import gc
|
||||
if gc.isenabled():
|
||||
reenable_gc = True
|
||||
gc.disable()
|
||||
pending = None
|
||||
while True:
|
||||
if pending is None or finalize._dirty:
|
||||
pending = cls._select_for_exit()
|
||||
finalize._dirty = False
|
||||
if not pending:
|
||||
break
|
||||
f = pending.pop()
|
||||
try:
|
||||
# gc is disabled, so (assuming no daemonic
|
||||
# threads) the following is the only line in
|
||||
# this function which might trigger creation
|
||||
# of a new finalizer
|
||||
f()
|
||||
except Exception:
|
||||
sys.excepthook(*sys.exc_info())
|
||||
assert f not in cls._registry
|
||||
finally:
|
||||
# prevent any more finalizers from executing during shutdown
|
||||
finalize._shutdown = True
|
||||
if reenable_gc:
|
||||
gc.enable()
|
||||
Loading…
Reference in new issue