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blockchain_ancestry: allow getting ancestry of a single output

Browse Source 
This involved a reorg of the code, to factor and speedup some bits,
as well as using the cache for all modes, and making both modes
usable in the same run.
This commit is contained in:
moneromooo-monero 2018-12-30 10:30:05 +00:00
parent a6216d1ac2
commit 464097e592
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
1 changed files with 209 additions and 229 deletions
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438
src/blockchain_utilities/blockchain_ancestry.cpp
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@ -51,6 +51,8 @@ using namespace epee;
using namespace cryptonote;
static bool stop_requested = false;
static uint64_t cached_txes = 0, cached_blocks = 0, cached_outputs = 0, total_txes = 0, total_blocks = 0, total_outputs = 0;
static bool opt_cache_outputs = false, opt_cache_txes = false, opt_cache_blocks = false;
struct ancestor
{
@ -137,6 +139,8 @@ struct ancestry_state_t
std::unordered_map<crypto::hash, ::tx_data_t> tx_cache;
std::vector<cryptonote::block> block_cache;
ancestry_state_t(): height(0) {}
template <typename t_archive> void serialize(t_archive &a, const unsigned int ver)
{
a & height;
@ -219,6 +223,113 @@ static std::unordered_set<ancestor> get_ancestry(const std::unordered_map<crypto
return i->second;
}
static bool get_block_from_height(ancestry_state_t &state, BlockchainDB *db, uint64_t height, cryptonote::block &b)
{
++total_blocks;
if (state.block_cache.size() > height && !state.block_cache[height].miner_tx.vin.empty())
{
++cached_blocks;
b = state.block_cache[height];
return true;
}
cryptonote::blobdata bd = db->get_block_blob_from_height(height);
if (!cryptonote::parse_and_validate_block_from_blob(bd, b))
{
LOG_PRINT_L0("Bad block from db");
return false;
}
if (opt_cache_blocks)
{
state.block_cache.resize(height + 1);
state.block_cache[height] = b;
}
return true;
}
static bool get_transaction(ancestry_state_t &state, BlockchainDB *db, const crypto::hash &txid, ::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;
return true;
}
cryptonote::blobdata bd;
if (!db->get_pruned_tx_blob(txid, bd))
{
LOG_PRINT_L0("Failed to get txid " << txid << " from db");
return false;
}
cryptonote::transaction tx;
if (!cryptonote::parse_and_validate_tx_base_from_blob(bd, tx))
{
LOG_PRINT_L0("Bad tx: " << txid);
return false;
}
tx_data = ::tx_data_t(tx);
if (opt_cache_txes)
state.tx_cache.insert(std::make_pair(txid, tx_data));
return true;
}
static bool get_output_txid(ancestry_state_t &state, BlockchainDB *db, uint64_t amount, uint64_t offset, crypto::hash &txid)
{
++total_outputs;
std::unordered_map<ancestor, crypto::hash>::const_iterator i = state.output_cache.find({amount, offset});
if (i != state.output_cache.end())
{
++cached_outputs;
txid = i->second;
return true;
}
const output_data_t od = db->get_output_key(amount, offset, false);
cryptonote::block b;
if (!get_block_from_height(state, db, od.height, b))
return 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)
{
txid = cryptonote::get_transaction_hash(b.miner_tx);
if (opt_cache_outputs)
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, txid));
return true;
}
}
else
{
LOG_PRINT_L0("Bad vout type in txid " << cryptonote::get_transaction_hash(b.miner_tx));
return false;
}
}
for (const crypto::hash &block_txid: b.tx_hashes)
{
::tx_data_t tx_data3;
if (!get_transaction(state, db, block_txid, tx_data3))
return false;
for (size_t out = 0; out < tx_data3.vout.size(); ++out)
{
if (tx_data3.vout[out] == od.pubkey)
{
txid = block_txid;
if (opt_cache_outputs)
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, txid));
return true;
}
}
}
return false;
}
int main(int argc, char* argv[])
{
TRY_ENTRY();
@ -243,12 +354,13 @@ int main(int argc, char* argv[])
"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<std::string> arg_output = {"output", "Get ancestry for this output (amount/offset format)", ""};
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_refresh = {"refresh", "Refresh the whole chain first", 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_include_coinbase = {"include-coinbase", "Including coinbase tx in per height average", 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);
@ -257,8 +369,9 @@ int main(int argc, char* argv[])
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_output);
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_refresh);
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);
@ -300,20 +413,22 @@ int main(int argc, char* argv[])
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);
std::string opt_output_string = command_line::get_arg(vm, arg_output);
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_refresh = command_line::get_arg(vm, arg_refresh);
opt_cache_outputs = command_line::get_arg(vm, arg_cache_outputs);
opt_cache_txes = command_line::get_arg(vm, arg_cache_txes);
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)
if ((!opt_txid_string.empty()) + !!opt_height + !opt_output_string.empty() > 1)
{
std::cerr << "Only one of --txid, --height and --all can be given" << std::endl;
std::cerr << "Only one of --txid, --height, --output can be given" << std::endl;
return 1;
}
crypto::hash opt_txid = crypto::null_hash;
uint64_t output_amount = 0, output_offset = 0;
if (!opt_txid_string.empty())
{
if (!epee::string_tools::hex_to_pod(opt_txid_string, opt_txid))
@ -322,6 +437,14 @@ int main(int argc, char* argv[])
return 1;
}
}
else if (!opt_output_string.empty())
{
if (sscanf(opt_output_string.c_str(), "%" SCNu64 "/%" SCNu64, &output_amount, &output_offset) != 2)
{
std::cerr << "Invalid output" << std::endl;
return 1;
}
}
std::string db_type = command_line::get_arg(vm, arg_database);
if (!cryptonote::blockchain_valid_db_type(db_type))
@ -372,37 +495,36 @@ int main(int argc, char* argv[])
std::vector<crypto::hash> start_txids;
// forward method
if (opt_all)
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())
{
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
{
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();
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;
});
tools::signal_handler::install([](int type) {
stop_requested = true;
});
// forward method
const uint64_t db_height = db->height();
if (opt_refresh)
{
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)
{
@ -464,113 +586,20 @@ int main(int argc, char* argv[])
{
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 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)
add_ancestry(state.ancestry, txid, ancestor{amount, offset});
// find the tx which created this output
bool found = false;
crypto::hash output_txid;
if (!get_output_txid(state, db, amount, offset, output_txid))
{
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
{
cryptonote::blobdata bd = db->get_block_blob_from_height(od.height);
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;
}
LOG_PRINT_L0("Output originating transaction not found");
return 1;
}
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, output_txid));
}
}
}
@ -581,10 +610,6 @@ int main(int argc, char* argv[])
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;
@ -608,14 +633,30 @@ int main(int argc, char* argv[])
}
state_data_out.close();
}
goto done;
}
else
{
if (state.height < db_height)
{
MWARNING("The state file is only built up to height " << state.height << ", but the blockchain reached height " << db_height);
MWARNING("You may want to run with --refresh if you want to get ancestry for newer data");
}
}
if (!opt_txid_string.empty())
{
start_txids.push_back(opt_txid);
}
else if (!opt_output_string.empty())
{
crypto::hash txid;
if (!get_output_txid(state, db, output_amount, output_offset, txid))
{
LOG_PRINT_L0("Output not found in db");
return 1;
}
start_txids.push_back(txid);
}
else
{
const cryptonote::blobdata bd = db->get_block_blob_from_height(opt_height);
@ -648,108 +689,40 @@ int main(int argc, char* argv[])
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");
if (stop_requested)
goto done;
::tx_data_t tx_data2;
if (!get_transaction(state, db, txid, tx_data2))
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);
const bool coinbase = tx_data2.coinbase;
if (coinbase)
continue;
for (size_t ring = 0; ring < tx.vin.size(); ++ring)
for (size_t ring = 0; ring < tx_data2.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);
const uint64_t amount = tx_data2.vin[ring].first;
auto absolute_offsets = tx_data2.vin[ring].second;
for (uint64_t offset: absolute_offsets)
{
add_ancestor(ancestry, amount, offset);
const output_data_t od = db->get_output_key(amount, offset);
bd = db->get_block_blob_from_height(od.height);
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)
crypto::hash output_txid;
if (!get_output_txid(state, db, amount, offset, output_txid))
{
LOG_PRINT_L0("Output originating transaction not found");
return 1;
}
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, output_txid));
txids.push_back(output_txid);
MDEBUG("adding txid: " << output_txid);
}
}
else
{
LOG_PRINT_L0("Bad vin type in txid " << txid);
return 1;
}
}
}
@ -762,6 +735,13 @@ int main(int argc, char* argv[])
done:
core_storage->deinit();
if (opt_show_cache_stats)
MINFO("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)
<< "%");
return 0;
CATCH_ENTRY("Depth query error", 1);