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Diffstat (limited to 'src/blockchain_utilities/blockchain_depth.cpp')
| -rw-r--r-- | src/blockchain_utilities/blockchain_depth.cpp | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/src/blockchain_utilities/blockchain_depth.cpp b/src/blockchain_utilities/blockchain_depth.cpp new file mode 100644 index 000000000..dd2387e5b --- /dev/null +++ b/src/blockchain_utilities/blockchain_depth.cpp @@ -0,0 +1,351 @@ +// Copyright (c) 2014-2018, 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. + +#include <boost/range/adaptor/transformed.hpp> +#include <boost/algorithm/string.hpp> +#include "common/command_line.h" +#include "common/varint.h" +#include "cryptonote_core/tx_pool.h" +#include "cryptonote_core/cryptonote_core.h" +#include "cryptonote_core/blockchain.h" +#include "blockchain_db/blockchain_db.h" +#include "blockchain_db/db_types.h" +#include "version.h" + +#undef MONERO_DEFAULT_LOG_CATEGORY +#define MONERO_DEFAULT_LOG_CATEGORY "bcutil" + +namespace po = boost::program_options; +using namespace epee; +using namespace cryptonote; + +int main(int argc, char* argv[]) +{ + TRY_ENTRY(); + + epee::string_tools::set_module_name_and_folder(argv[0]); + + std::string default_db_type = "lmdb"; + + std::string available_dbs = cryptonote::blockchain_db_types(", "); + available_dbs = "available: " + available_dbs; + + uint32_t log_level = 0; + + tools::on_startup(); + + boost::filesystem::path output_file_path; + + po::options_description desc_cmd_only("Command line options"); + po::options_description desc_cmd_sett("Command line options and settings options"); + const command_line::arg_descriptor<std::string> arg_log_level = {"log-level", "0-4 or categories", ""}; + const command_line::arg_descriptor<std::string> arg_database = { + "database", available_dbs.c_str(), default_db_type + }; + const command_line::arg_descriptor<std::string> arg_txid = {"txid", "Get min depth for this txid", ""}; + const command_line::arg_descriptor<uint64_t> arg_height = {"height", "Get min depth for all txes at this height", 0}; + const command_line::arg_descriptor<bool> arg_include_coinbase = {"include-coinbase", "Include coinbase in the average", false}; + + command_line::add_arg(desc_cmd_sett, cryptonote::arg_data_dir); + command_line::add_arg(desc_cmd_sett, cryptonote::arg_testnet_on); + command_line::add_arg(desc_cmd_sett, cryptonote::arg_stagenet_on); + 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_txid); + command_line::add_arg(desc_cmd_sett, arg_height); + command_line::add_arg(desc_cmd_sett, arg_include_coinbase); + command_line::add_arg(desc_cmd_only, command_line::arg_help); + + po::options_description desc_options("Allowed options"); + desc_options.add(desc_cmd_only).add(desc_cmd_sett); + + po::variables_map vm; + bool r = command_line::handle_error_helper(desc_options, [&]() + { + auto parser = po::command_line_parser(argc, argv).options(desc_options); + po::store(parser.run(), vm); + po::notify(vm); + return true; + }); + if (! r) + return 1; + + if (command_line::get_arg(vm, command_line::arg_help)) + { + std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL; + std::cout << desc_options << std::endl; + return 1; + } + + mlog_configure(mlog_get_default_log_path("monero-blockchain-depth.log"), true); + if (!command_line::is_arg_defaulted(vm, arg_log_level)) + mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str()); + else + mlog_set_log(std::string(std::to_string(log_level) + ",bcutil:INFO").c_str()); + + LOG_PRINT_L0("Starting..."); + + std::string opt_data_dir = command_line::get_arg(vm, cryptonote::arg_data_dir); + bool opt_testnet = command_line::get_arg(vm, cryptonote::arg_testnet_on); + bool opt_stagenet = command_line::get_arg(vm, cryptonote::arg_stagenet_on); + network_type net_type = opt_testnet ? TESTNET : opt_stagenet ? STAGENET : MAINNET; + std::string opt_txid_string = command_line::get_arg(vm, arg_txid); + uint64_t opt_height = command_line::get_arg(vm, arg_height); + bool opt_include_coinbase = command_line::get_arg(vm, arg_include_coinbase); + + if (!opt_txid_string.empty() && opt_height) + { + std::cerr << "txid and height cannot be given at the same time" << std::endl; + return 1; + } + crypto::hash opt_txid = crypto::null_hash; + if (!opt_txid_string.empty()) + { + if (!epee::string_tools::hex_to_pod(opt_txid_string, opt_txid)) + { + std::cerr << "Invalid txid" << std::endl; + return 1; + } + } + + std::string db_type = command_line::get_arg(vm, arg_database); + if (!cryptonote::blockchain_valid_db_type(db_type)) + { + std::cerr << "Invalid database type: " << db_type << std::endl; + return 1; + } + + // If we wanted to use the memory pool, we would set up a fake_core. + + // Use Blockchain instead of lower-level BlockchainDB for two reasons: + // 1. Blockchain has the init() method for easy setup + // 2. exporter needs to use get_current_blockchain_height(), get_block_id_by_height(), get_block_by_hash() + // + // cannot match blockchain_storage setup above with just one line, + // e.g. + // Blockchain* core_storage = new Blockchain(NULL); + // because unlike blockchain_storage constructor, which takes a pointer to + // tx_memory_pool, Blockchain's constructor takes tx_memory_pool object. + LOG_PRINT_L0("Initializing source blockchain (BlockchainDB)"); + std::unique_ptr<Blockchain> core_storage; + tx_memory_pool m_mempool(*core_storage); + core_storage.reset(new Blockchain(m_mempool)); + BlockchainDB *db = new_db(db_type); + if (db == NULL) + { + LOG_ERROR("Attempted to use non-existent database type: " << db_type); + throw std::runtime_error("Attempting to use non-existent database type"); + } + LOG_PRINT_L0("database: " << db_type); + + const std::string filename = (boost::filesystem::path(opt_data_dir) / db->get_db_name()).string(); + LOG_PRINT_L0("Loading blockchain from folder " << filename << " ..."); + + try + { + db->open(filename, DBF_RDONLY); + } + catch (const std::exception& e) + { + LOG_PRINT_L0("Error opening database: " << e.what()); + return 1; + } + r = core_storage->init(db, net_type); + + CHECK_AND_ASSERT_MES(r, 1, "Failed to initialize source blockchain storage"); + LOG_PRINT_L0("Source blockchain storage initialized OK"); + + std::vector<crypto::hash> start_txids; + if (!opt_txid_string.empty()) + { + start_txids.push_back(opt_txid); + } + else + { + const crypto::hash block_hash = db->get_block_hash_from_height(opt_height); + const cryptonote::blobdata bd = db->get_block_blob(block_hash); + cryptonote::block b; + if (!cryptonote::parse_and_validate_block_from_blob(bd, b)) + { + LOG_PRINT_L0("Bad block from db"); + return 1; + } + for (const crypto::hash &txid: b.tx_hashes) + start_txids.push_back(txid); + if (opt_include_coinbase) + start_txids.push_back(cryptonote::get_transaction_hash(b.miner_tx)); + } + + if (start_txids.empty()) + { + LOG_PRINT_L0("No transaction(s) to check"); + return 1; + } + + std::vector<uint64_t> depths; + for (const crypto::hash &start_txid: start_txids) + { + uint64_t depth = 0; + bool coinbase = false; + + LOG_PRINT_L0("Checking depth for txid " << start_txid); + std::vector<crypto::hash> txids(1, start_txid); + while (!coinbase) + { + LOG_PRINT_L0("Considering "<< txids.size() << " transaction(s) at depth " << depth); + std::vector<crypto::hash> new_txids; + for (const crypto::hash &txid: txids) + { + cryptonote::blobdata bd; + if (!db->get_pruned_tx_blob(txid, bd)) + { + LOG_PRINT_L0("Failed to get txid " << txid << " from db"); + return 1; + } + cryptonote::transaction tx; + if (!cryptonote::parse_and_validate_tx_base_from_blob(bd, tx)) + { + LOG_PRINT_L0("Bad tx: " << txid); + return 1; + } + for (size_t ring = 0; ring < tx.vin.size(); ++ring) + { + if (tx.vin[ring].type() == typeid(cryptonote::txin_gen)) + { + MDEBUG(txid << " is a coinbase transaction"); + coinbase = true; + goto done; + } + if (tx.vin[ring].type() == typeid(cryptonote::txin_to_key)) + { + const cryptonote::txin_to_key &txin = boost::get<cryptonote::txin_to_key>(tx.vin[ring]); + const uint64_t amount = txin.amount; + auto absolute_offsets = cryptonote::relative_output_offsets_to_absolute(txin.key_offsets); + for (uint64_t offset: absolute_offsets) + { + const output_data_t od = db->get_output_key(amount, offset); + const crypto::hash block_hash = db->get_block_hash_from_height(od.height); + bd = db->get_block_blob(block_hash); + cryptonote::block b; + if (!cryptonote::parse_and_validate_block_from_blob(bd, b)) + { + LOG_PRINT_L0("Bad block from db"); + return 1; + } + // find the tx which created this output + bool found = false; + for (size_t out = 0; out < b.miner_tx.vout.size(); ++out) + { + if (b.miner_tx.vout[out].target.type() == typeid(cryptonote::txout_to_key)) + { + const auto &txout = boost::get<cryptonote::txout_to_key>(b.miner_tx.vout[out].target); + if (txout.key == od.pubkey) + { + found = true; + new_txids.push_back(cryptonote::get_transaction_hash(b.miner_tx)); + MDEBUG("adding txid: " << cryptonote::get_transaction_hash(b.miner_tx)); + break; + } + } + else + { + LOG_PRINT_L0("Bad vout type in txid " << cryptonote::get_transaction_hash(b.miner_tx)); + return 1; + } + } + for (const crypto::hash &block_txid: b.tx_hashes) + { + if (found) + break; + if (!db->get_pruned_tx_blob(block_txid, bd)) + { + LOG_PRINT_L0("Failed to get txid " << block_txid << " from db"); + return 1; + } + cryptonote::transaction tx2; + if (!cryptonote::parse_and_validate_tx_base_from_blob(bd, tx2)) + { + LOG_PRINT_L0("Bad tx: " << block_txid); + return 1; + } + for (size_t out = 0; out < tx2.vout.size(); ++out) + { + if (tx2.vout[out].target.type() == typeid(cryptonote::txout_to_key)) + { + const auto &txout = boost::get<cryptonote::txout_to_key>(tx2.vout[out].target); + if (txout.key == od.pubkey) + { + found = true; + new_txids.push_back(block_txid); + MDEBUG("adding txid: " << block_txid); + break; + } + } + else + { + LOG_PRINT_L0("Bad vout type in txid " << block_txid); + return 1; + } + } + } + if (!found) + { + LOG_PRINT_L0("Output originating transaction not found"); + return 1; + } + } + } + else + { + LOG_PRINT_L0("Bad vin type in txid " << txid); + return 1; + } + } + } + if (!coinbase) + { + std::swap(txids, new_txids); + ++depth; + } + } +done: + LOG_PRINT_L0("Min depth for txid " << start_txid << ": " << depth); + depths.push_back(depth); + } + + uint64_t cumulative_depth = 0; + for (uint64_t depth: depths) + cumulative_depth += depth; + LOG_PRINT_L0("Average min depth for " << start_txids.size() << " transaction(s): " << cumulative_depth/(float)depths.size()); + LOG_PRINT_L0("Median min depth for " << start_txids.size() << " transaction(s): " << epee::misc_utils::median(depths)); + + core_storage->deinit(); + return 0; + + CATCH_ENTRY("Depth query error", 1); +} |