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blockchain_ancestry: add an incremental mode

This commit is contained in:
moneromooo-monero 2018-07-28 00:56:37 +01:00
parent 888324fa57
commit 2382484dcd
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
1 changed files with 99 additions and 25 deletions
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124
src/blockchain_utilities/blockchain_ancestry.cpp
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@ -30,8 +30,12 @@
#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"
@ -46,13 +50,22 @@ 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
{
@ -67,6 +80,25 @@ namespace std
};
}
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, cryptonote::transaction> tx_cache;
std::unordered_map<uint64_t, cryptonote::block> block_cache;
template <typename t_archive> void serialize(t_archive &a, const unsigned int ver)
{
a & height;
a & ancestry;
a & output_cache;
a & tx_cache;
a & block_cache;
}
};
BOOST_CLASS_VERSION(ancestry_state_t, 0)
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));
@ -274,13 +306,34 @@ int main(int argc, char* argv[])
if (opt_all)
{
uint64_t cached_txes = 0, cached_blocks = 0, cached_outputs = 0, total_txes = 0, total_blocks = 0, total_outputs = 0;
std::unordered_map<crypto::hash, std::unordered_set<ancestor>> ancestry;
std::unordered_map<ancestor, crypto::hash> output_cache;
std::unordered_map<crypto::hash, cryptonote::transaction> tx_cache;
std::map<uint64_t, cryptonote::block> block_cache;
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();
for (uint64_t h = 0; h < db_height; ++h)
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);
@ -293,7 +346,7 @@ int main(int argc, char* argv[])
return 1;
}
if (opt_cache_blocks)
block_cache.insert(std::make_pair(h, b));
state.block_cache.insert(std::make_pair(h, b));
std::vector<crypto::hash> txids;
txids.reserve(1 + b.tx_hashes.size());
if (opt_include_coinbase)
@ -305,9 +358,9 @@ int main(int argc, char* argv[])
printf("%lu/%lu \r", (unsigned long)h, (unsigned long)db_height);
fflush(stdout);
cryptonote::transaction tx;
std::unordered_map<crypto::hash, cryptonote::transaction>::const_iterator i = tx_cache.find(txid);
std::unordered_map<crypto::hash, cryptonote::transaction>::const_iterator i = state.tx_cache.find(txid);
++total_txes;
if (i != tx_cache.end())
if (i != state.tx_cache.end())
{
++cached_txes;
tx = i->second;
@ -326,12 +379,12 @@ int main(int argc, char* argv[])
return 1;
}
if (opt_cache_txes)
tx_cache.insert(std::make_pair(txid, tx));
state.tx_cache.insert(std::make_pair(txid, tx));
}
const bool coinbase = tx.vin.size() == 1 && tx.vin[0].type() == typeid(cryptonote::txin_gen);
if (coinbase)
{
add_ancestry(ancestry, txid, std::unordered_set<ancestor>());
add_ancestry(state.ancestry, txid, std::unordered_set<ancestor>());
}
else
{
@ -345,11 +398,11 @@ int main(int argc, char* argv[])
for (uint64_t offset: absolute_offsets)
{
const output_data_t od = db->get_output_key(amount, offset);
add_ancestry(ancestry, txid, ancestor{amount, offset});
add_ancestry(state.ancestry, txid, ancestor{amount, offset});
cryptonote::block b;
auto iblock = block_cache.find(od.height);
auto iblock = state.block_cache.find(od.height);
++total_blocks;
if (iblock != block_cache.end())
if (iblock != state.block_cache.end())
{
++cached_blocks;
b = iblock->second;
@ -364,16 +417,16 @@ int main(int argc, char* argv[])
return 1;
}
if (opt_cache_blocks)
block_cache.insert(std::make_pair(od.height, b));
state.block_cache.insert(std::make_pair(od.height, b));
}
// find the tx which created this output
bool found = false;
std::unordered_map<ancestor, crypto::hash>::const_iterator i = output_cache.find({amount, offset});
std::unordered_map<ancestor, crypto::hash>::const_iterator i = state.output_cache.find({amount, offset});
++total_outputs;
if (i != output_cache.end())
if (i != state.output_cache.end())
{
++cached_outputs;
add_ancestry(ancestry, txid, get_ancestry(ancestry, i->second));
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)
@ -384,9 +437,9 @@ int main(int argc, char* argv[])
if (txout.key == od.pubkey)
{
found = true;
add_ancestry(ancestry, txid, get_ancestry(ancestry, cryptonote::get_transaction_hash(b.miner_tx)));
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, cryptonote::get_transaction_hash(b.miner_tx)));
if (opt_cache_outputs)
output_cache.insert(std::make_pair(ancestor{amount, offset}, cryptonote::get_transaction_hash(b.miner_tx)));
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, cryptonote::get_transaction_hash(b.miner_tx)));
break;
}
}
@ -401,9 +454,9 @@ int main(int argc, char* argv[])
if (found)
break;
cryptonote::transaction tx2;
std::unordered_map<crypto::hash, cryptonote::transaction>::const_iterator i = tx_cache.find(block_txid);
std::unordered_map<crypto::hash, cryptonote::transaction>::const_iterator i = state.tx_cache.find(block_txid);
++total_txes;
if (i != tx_cache.end())
if (i != state.tx_cache.end())
{
++cached_txes;
tx2 = i->second;
@ -422,7 +475,7 @@ int main(int argc, char* argv[])
return 1;
}
if (opt_cache_txes)
tx_cache.insert(std::make_pair(block_txid, tx2));
state.tx_cache.insert(std::make_pair(block_txid, tx2));
}
for (size_t out = 0; out < tx2.vout.size(); ++out)
{
@ -432,9 +485,9 @@ int main(int argc, char* argv[])
if (txout.key == od.pubkey)
{
found = true;
add_ancestry(ancestry, txid, get_ancestry(ancestry, block_txid));
add_ancestry(state.ancestry, txid, get_ancestry(state.ancestry, block_txid));
if (opt_cache_outputs)
output_cache.insert(std::make_pair(ancestor{amount, offset}, block_txid));
state.output_cache.insert(std::make_pair(ancestor{amount, offset}, block_txid));
break;
}
}
@ -459,7 +512,7 @@ int main(int argc, char* argv[])
}
}
}
const size_t ancestry_size = get_ancestry(ancestry, txid).size();
const size_t ancestry_size = get_ancestry(state.ancestry, txid).size();
block_ancestry_size += ancestry_size;
MINFO(txid << ": " << ancestry_size);
}
@ -472,7 +525,28 @@ int main(int argc, char* argv[])
+ 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;
}