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Merge pull request #4147

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a4d2d842 blockchain_depth: add average min depth (moneromooo-monero)
289880d8 blockchain_depth: get the average min depth of a set of txes (moneromooo-monero)
628428a0 blockchain_ancestry: faster and uses less memory (moneromooo-monero)
2382484d blockchain_ancestry: add an incremental mode (moneromooo-monero)
888324fa blockchain_ancestry: finds all ancestors of a tx, block, or chain (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2018-09-14 12:19:43 +02:00
commit 249feda4e1
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GPG Key ID: 55432DF31CCD4FCD
3 changed files with 1187 additions and 0 deletions
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64
src/blockchain_utilities/CMakeLists.txt
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@ -91,6 +91,28 @@ monero_private_headers(blockchain_usage
set(blockchain_ancestry_sources
blockchain_ancestry.cpp
)
set(blockchain_ancestry_private_headers)
monero_private_headers(blockchain_ancestry
${blockchain_ancestry_private_headers})
set(blockchain_depth_sources
blockchain_depth.cpp
)
set(blockchain_depth_private_headers)
monero_private_headers(blockchain_depth
${blockchain_depth_private_headers})
monero_add_executable(blockchain_import
${blockchain_import_sources}
${blockchain_import_private_headers}
@ -183,3 +205,45 @@ set_property(TARGET blockchain_usage
OUTPUT_NAME "monero-blockchain-usage")
install(TARGETS blockchain_usage DESTINATION bin)
monero_add_executable(blockchain_ancestry
${blockchain_ancestry_sources}
${blockchain_ancestry_private_headers})
target_link_libraries(blockchain_ancestry
PRIVATE
cryptonote_core
blockchain_db
version
epee
${Boost_FILESYSTEM_LIBRARY}
${Boost_SYSTEM_LIBRARY}
${Boost_THREAD_LIBRARY}
${CMAKE_THREAD_LIBS_INIT}
${EXTRA_LIBRARIES})
set_property(TARGET blockchain_ancestry
PROPERTY
OUTPUT_NAME "monero-blockchain-ancestry")
install(TARGETS blockchain_ancestry DESTINATION bin)
monero_add_executable(blockchain_depth
${blockchain_depth_sources}
${blockchain_depth_private_headers})
target_link_libraries(blockchain_depth
PRIVATE
cryptonote_core
blockchain_db
version
epee
${Boost_FILESYSTEM_LIBRARY}
${Boost_SYSTEM_LIBRARY}
${Boost_THREAD_LIBRARY}
${CMAKE_THREAD_LIBS_INIT}
${EXTRA_LIBRARIES})
set_property(TARGET blockchain_depth
PROPERTY
OUTPUT_NAME "monero-blockchain-depth")
install(TARGETS blockchain_depth DESTINATION bin)

772
src/blockchain_utilities/blockchain_ancestry.cpp Normal file
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@ -0,0 +1,772 @@
// 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 <unordered_map>
#include <unordered_set>
#include <boost/range/adaptor/transformed.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/archive/portable_binary_iarchive.hpp>
#include <boost/archive/portable_binary_oarchive.hpp>
#include "common/unordered_containers_boost_serialization.h"
#include "common/command_line.h"
#include "common/varint.h"
#include "cryptonote_basic/cryptonote_boost_serialization.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;
static bool stop_requested = false;
struct ancestor
{
uint64_t amount;
uint64_t offset;
bool operator==(const ancestor &other) const { return amount == other.amount && offset == other.offset; }
template <typename t_archive> void serialize(t_archive &a, const unsigned int ver)
{
a & amount;
a & offset;
}
};
BOOST_CLASS_VERSION(ancestor, 0)
namespace std
{
template<> struct hash<ancestor>
{
size_t operator()(const ancestor &a) const
{
return a.amount ^ a.offset; // not that bad, since amount almost always have a high bit set, and offset doesn't
}
};
}
struct tx_data_t
{
std::vector<std::pair<uint64_t, std::vector<uint64_t>>> vin;
std::vector<crypto::public_key> vout;
bool coinbase;
tx_data_t(): coinbase(false) {}
tx_data_t(const cryptonote::transaction &tx)
{
coinbase = tx.vin.size() == 1 && tx.vin[0].type() == typeid(cryptonote::txin_gen);
if (!coinbase)
{
vin.reserve(tx.vin.size());
for (size_t ring = 0; ring < tx.vin.size(); ++ring)
{
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]);
vin.push_back(std::make_pair(txin.amount, cryptonote::relative_output_offsets_to_absolute(txin.key_offsets)));
}
else
{
LOG_PRINT_L0("Bad vin type in txid " << get_transaction_hash(tx));
throw std::runtime_error("Bad vin type");
}
}
}
vout.reserve(tx.vout.size());
for (size_t out = 0; out < tx.vout.size(); ++out)
{
if (tx.vout[out].target.type() == typeid(cryptonote::txout_to_key))
{
const auto &txout = boost::get<cryptonote::txout_to_key>(tx.vout[out].target);
vout.push_back(txout.key);
}
else
{
LOG_PRINT_L0("Bad vout type in txid " << get_transaction_hash(tx));
throw std::runtime_error("Bad vout type");
}
}
}
template <typename t_archive> void serialize(t_archive &a, const unsigned int ver)
{
a & coinbase;
a & vin;
a & vout;
}
};
struct ancestry_state_t
{
uint64_t height;
std::unordered_map<crypto::hash, std::unordered_set<ancestor>> ancestry;
std::unordered_map<ancestor, crypto::hash> output_cache;
std::unordered_map<crypto::hash, ::tx_data_t> tx_cache;
std::vector<cryptonote::block> block_cache;
template <typename t_archive> void serialize(t_archive &a, const unsigned int ver)
{
a & height;
a & ancestry;
a & output_cache;
if (ver < 1)
{
std::unordered_map<crypto::hash, cryptonote::transaction> old_tx_cache;
a & old_tx_cache;
for (const auto i: old_tx_cache)
tx_cache.insert(std::make_pair(i.first, ::tx_data_t(i.second)));
}
else
{
a & tx_cache;
}
if (ver < 2)
{
std::unordered_map<uint64_t, cryptonote::block> old_block_cache;
a & old_block_cache;
block_cache.resize(old_block_cache.size());
for (const auto i: old_block_cache)
block_cache[i.first] = i.second;
}
else
{
a & block_cache;
}
}
};
BOOST_CLASS_VERSION(ancestry_state_t, 2)
static void add_ancestor(std::unordered_map<ancestor, unsigned int> &ancestry, uint64_t amount, uint64_t offset)
{
std::pair<std::unordered_map<ancestor, unsigned int>::iterator, bool> p = ancestry.insert(std::make_pair(ancestor{amount, offset}, 1));
if (!p.second)
{
++p.first->second;
}
}
static size_t get_full_ancestry(const std::unordered_map<ancestor, unsigned int> &ancestry)
{
size_t count = 0;
for (const auto &i: ancestry)
count += i.second;
return count;
}
static size_t get_deduplicated_ancestry(const std::unordered_map<ancestor, unsigned int> &ancestry)
{
return ancestry.size();
}
static void add_ancestry(std::unordered_map<crypto::hash, std::unordered_set<ancestor>> &ancestry, const crypto::hash &txid, const std::unordered_set<ancestor> &ancestors)
{
std::pair<std::unordered_map<crypto::hash, std::unordered_set<ancestor>>::iterator, bool> p = ancestry.insert(std::make_pair(txid, ancestors));
if (!p.second)
{
for (const auto &e: ancestors)
p.first->second.insert(e);
}
}
static void add_ancestry(std::unordered_map<crypto::hash, std::unordered_set<ancestor>> &ancestry, const crypto::hash &txid, const ancestor &new_ancestor)
{
std::pair<std::unordered_map<crypto::hash, std::unordered_set<ancestor>>::iterator, bool> p = ancestry.insert(std::make_pair(txid, std::unordered_set<ancestor>()));
p.first->second.insert(new_ancestor);
}
static std::unordered_set<ancestor> get_ancestry(const std::unordered_map<crypto::hash, std::unordered_set<ancestor>> &ancestry, const crypto::hash &txid)
{
std::unordered_map<crypto::hash, std::unordered_set<ancestor>>::const_iterator i = ancestry.find(txid);
if (i == ancestry.end())
{
//MERROR("txid ancestry not found: " << txid);
//throw std::runtime_error("txid ancestry not found");
return std::unordered_set<ancestor>();
}
return i->second;
}
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 ancestry for this txid", ""};
const command_line::arg_descriptor<uint64_t> arg_height = {"height", "Get ancestry for all txes at this height", 0};
const command_line::arg_descriptor<bool> arg_all = {"all", "Include the whole chain", false};
const command_line::arg_descriptor<bool> arg_cache_outputs = {"cache-outputs", "Cache outputs (memory hungry)", false};
const command_line::arg_descriptor<bool> arg_cache_txes = {"cache-txes", "Cache txes (memory hungry)", false};
const command_line::arg_descriptor<bool> arg_cache_blocks = {"cache-blocks", "Cache blocks (memory hungry)", false};
const command_line::arg_descriptor<bool> arg_include_coinbase = {"include-coinbase", "Including coinbase tx", false};
const command_line::arg_descriptor<bool> arg_show_cache_stats = {"show-cache-stats", "Show cache statistics", 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_all);
command_line::add_arg(desc_cmd_sett, arg_cache_outputs);
command_line::add_arg(desc_cmd_sett, arg_cache_txes);
command_line::add_arg(desc_cmd_sett, arg_cache_blocks);
command_line::add_arg(desc_cmd_sett, arg_include_coinbase);
command_line::add_arg(desc_cmd_sett, arg_show_cache_stats);
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-ancestry.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_all = command_line::get_arg(vm, arg_all);
bool opt_cache_outputs = command_line::get_arg(vm, arg_cache_outputs);
bool opt_cache_txes = command_line::get_arg(vm, arg_cache_txes);
bool opt_cache_blocks = command_line::get_arg(vm, arg_cache_blocks);
bool opt_include_coinbase = command_line::get_arg(vm, arg_include_coinbase);
bool opt_show_cache_stats = command_line::get_arg(vm, arg_show_cache_stats);
if ((!opt_txid_string.empty()) + !!opt_height + !!opt_all > 1)
{
std::cerr << "Only one of --txid, --height and --all can be given" << 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;
// forward method
if (opt_all)
{
uint64_t cached_txes = 0, cached_blocks = 0, cached_outputs = 0, total_txes = 0, total_blocks = 0, total_outputs = 0;
ancestry_state_t state;
const std::string state_file_path = (boost::filesystem::path(opt_data_dir) / "ancestry-state.bin").string();
LOG_PRINT_L0("Loading state data from " << state_file_path);
std::ifstream state_data_in;
state_data_in.open(state_file_path, std::ios_base::binary | std::ios_base::in);
if (!state_data_in.fail())
{
try
{
boost::archive::portable_binary_iarchive a(state_data_in);
a >> state;
}
catch (const std::exception &e)
{
MERROR("Failed to load state data from " << state_file_path << ", restarting from scratch");
state = ancestry_state_t();
}
state_data_in.close();
}
tools::signal_handler::install([](int type) {
stop_requested = true;
});
MINFO("Starting from height " << state.height);
const uint64_t db_height = db->height();
state.block_cache.reserve(db_height);
for (uint64_t h = state.height; h < db_height; ++h)
{
size_t block_ancestry_size = 0;
const crypto::hash block_hash = db->get_block_hash_from_height(h);
const cryptonote::blobdata bd = db->get_block_blob(block_hash);
++total_blocks;
cryptonote::block b;
if (!cryptonote::parse_and_validate_block_from_blob(bd, b))
{
LOG_PRINT_L0("Bad block from db");
return 1;
}
if (opt_cache_blocks)
{
state.block_cache.resize(h + 1);
state.block_cache[h] = b;
}
std::vector<crypto::hash> txids;
txids.reserve(1 + b.tx_hashes.size());
if (opt_include_coinbase)
txids.push_back(cryptonote::get_transaction_hash(b.miner_tx));
for (const auto &h: b.tx_hashes)
txids.push_back(h);
for (const crypto::hash &txid: txids)
{
printf("%lu/%lu \r", (unsigned long)h, (unsigned long)db_height);
fflush(stdout);
::tx_data_t tx_data;
std::unordered_map<crypto::hash, ::tx_data_t>::const_iterator i = state.tx_cache.find(txid);
++total_txes;
if (i != state.tx_cache.end())
{
++cached_txes;
tx_data = i->second;
}
else
{
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;
}
tx_data = ::tx_data_t(tx);
if (opt_cache_txes)
state.tx_cache.insert(std::make_pair(txid, tx_data));
}
if (tx_data.coinbase)
{
add_ancestry(state.ancestry, txid, std::unordered_set<ancestor>());
}
else
{
for (size_t ring = 0; ring < tx_data.vin.size(); ++ring)
{
if (1)
{
const uint64_t amount = tx_data.vin[ring].first;
const std::vector<uint64_t> &absolute_offsets = tx_data.vin[ring].second;
for (uint64_t offset: absolute_offsets)
{
const output_data_t od = db->get_output_key(amount, offset);
add_ancestry(state.ancestry, txid, ancestor{amount, offset});
cryptonote::block b;
++total_blocks;
if (state.block_cache.size() > od.height && !state.block_cache[od.height].miner_tx.vin.empty())
{
++cached_blocks;
b = state.block_cache[od.height];
}
else
{
const crypto::hash block_hash = db->get_block_hash_from_height(od.height);
cryptonote::blobdata bd = db->get_block_blob(block_hash);
if (!cryptonote::parse_and_validate_block_from_blob(bd, b))
{
LOG_PRINT_L0("Bad block from db");
return 1;
}
if (opt_cache_blocks)
{
state.block_cache.resize(od.height + 1);
state.block_cache[od.height] = b;
}
}
// find the tx which created this output
bool found = false;
std::unordered_map<ancestor, crypto::hash>::const_iterator i = state.output_cache.find({amount, offset});
++total_outputs;
if (i != state.output_cache.end())
{
++cached_outputs;
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, i->second));
found = true;
}
else 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;
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, cryptonote::get_transaction_hash(b.miner_tx)));
if (opt_cache_outputs)
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, 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;
::tx_data_t tx_data2;
std::unordered_map<crypto::hash, ::tx_data_t>::const_iterator i = state.tx_cache.find(block_txid);
++total_txes;
if (i != state.tx_cache.end())
{
++cached_txes;
tx_data2 = i->second;
}
else
{
cryptonote::blobdata bd;
if (!db->get_pruned_tx_blob(block_txid, bd))
{
LOG_PRINT_L0("Failed to get txid " << block_txid << " from db");
return 1;
}
cryptonote::transaction tx;
if (!cryptonote::parse_and_validate_tx_base_from_blob(bd, tx))
{
LOG_PRINT_L0("Bad tx: " << block_txid);
return 1;
}
tx_data2 = ::tx_data_t(tx);
if (opt_cache_txes)
state.tx_cache.insert(std::make_pair(block_txid, tx_data2));
}
for (size_t out = 0; out < tx_data2.vout.size(); ++out)
{
if (tx_data2.vout[out] == od.pubkey)
{
found = true;
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, block_txid));
if (opt_cache_outputs)
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, block_txid));
break;
}
}
}
if (!found)
{
LOG_PRINT_L0("Output originating transaction not found");
return 1;
}
}
}
}
}
const size_t ancestry_size = get_ancestry(state.ancestry, txid).size();
block_ancestry_size += ancestry_size;
MINFO(txid << ": " << ancestry_size);
}
if (!txids.empty())
{
std::string stats_msg;
if (opt_show_cache_stats)
stats_msg = std::string(", cache: txes ") + std::to_string(cached_txes*100./total_txes)
+ ", blocks " + std::to_string(cached_blocks*100./total_blocks) + ", outputs "
+ std::to_string(cached_outputs*100./total_outputs);
MINFO("Height " << h << ": " << (block_ancestry_size / txids.size()) << " average over " << txids.size() << stats_msg);
}
state.height = h;
if (stop_requested)
break;
}
LOG_PRINT_L0("Saving state data to " << state_file_path);
std::ofstream state_data_out;
state_data_out.open(state_file_path, std::ios_base::binary | std::ios_base::out | std::ios::trunc);
if (!state_data_out.fail())
{
try
{
boost::archive::portable_binary_oarchive a(state_data_out);
a << state;
}
catch (const std::exception &e)
{
MERROR("Failed to save state data to " << state_file_path);
}
state_data_out.close();
}
goto done;
}
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 (start_txids.empty())
{
LOG_PRINT_L0("No transaction(s) to check");
return 1;
}
for (const crypto::hash &start_txid: start_txids)
{
LOG_PRINT_L0("Checking ancestry for txid " << start_txid);
std::unordered_map<ancestor, unsigned int> ancestry;
std::list<crypto::hash> txids;
txids.push_back(start_txid);
while (!txids.empty())
{
const crypto::hash txid = txids.front();
txids.pop_front();
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;
}
const bool coinbase = tx.vin.size() == 1 && tx.vin[0].type() == typeid(cryptonote::txin_gen);
if (coinbase)
continue;
for (size_t ring = 0; ring < tx.vin.size(); ++ring)
{
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)
{
add_ancestor(ancestry, amount, offset);
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;
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;
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;
}
}
}
MINFO("Ancestry for " << start_txid << ": " << get_deduplicated_ancestry(ancestry) << " / " << get_full_ancestry(ancestry));
for (const auto &i: ancestry)
{
MINFO(cryptonote::print_money(i.first.amount) << "/" << i.first.offset << ": " << i.second);
}
}
done:
core_storage->deinit();
return 0;
CATCH_ENTRY("Depth query error", 1);
}

351
src/blockchain_utilities/blockchain_depth.cpp Normal file
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@ -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);
}