danicoin/tests/UnitTests/TestBlockchainGenerator.cpp
2015-07-30 16:22:07 +01:00

396 lines
13 KiB
C++

// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
#include "TestBlockchainGenerator.h"
#include <time.h>
#include <unordered_set>
#include "CryptoNoteCore/CryptoNoteFormatUtils.h"
#include "CryptoNoteCore/CryptoNoteTools.h"
#include "../PerformanceTests/MultiTransactionTestBase.h"
using namespace CryptoNote;
class TransactionForAddressCreator : public multi_tx_test_base<5>
{
typedef multi_tx_test_base<5> base_class;
public:
TransactionForAddressCreator() {}
bool init()
{
return base_class::init();
}
void generate(const AccountPublicAddress& address, Transaction& tx)
{
std::vector<CryptoNote::TransactionDestinationEntry> destinations;
CryptoNote::decompose_amount_into_digits(this->m_source_amount, 0,
[&](uint64_t chunk) { destinations.push_back(CryptoNote::TransactionDestinationEntry(chunk, address)); },
[&](uint64_t a_dust) { destinations.push_back(CryptoNote::TransactionDestinationEntry(a_dust, address)); });
CryptoNote::constructTransaction(this->m_miners[this->real_source_idx].getAccountKeys(), this->m_sources, destinations, std::vector<uint8_t>(), tx, 0, m_logger);
}
void generateSingleOutputTx(const AccountPublicAddress& address, uint64_t amount, Transaction& tx) {
std::vector<TransactionDestinationEntry> destinations;
destinations.push_back(TransactionDestinationEntry(amount, address));
constructTransaction(this->m_miners[this->real_source_idx].getAccountKeys(), this->m_sources, destinations, std::vector<uint8_t>(), tx, 0, m_logger);
}
};
TestBlockchainGenerator::TestBlockchainGenerator(const CryptoNote::Currency& currency) :
m_currency(currency),
generator(currency)
{
std::unique_lock<std::mutex> lock(m_mutex);
miner_acc.generate();
addGenesisBlock();
addMiningBlock();
}
std::vector<CryptoNote::Block>& TestBlockchainGenerator::getBlockchain()
{
std::unique_lock<std::mutex> lock(m_mutex);
return m_blockchain;
}
std::vector<CryptoNote::Block> TestBlockchainGenerator::getBlockchainCopy() {
std::unique_lock<std::mutex> lock(m_mutex);
std::vector<CryptoNote::Block> blockchain(m_blockchain);
return blockchain;
}
bool TestBlockchainGenerator::getTransactionByHash(const Crypto::Hash& hash, CryptoNote::Transaction& tx, bool checkTxPool)
{
std::unique_lock<std::mutex> lock(m_mutex);
auto it = m_txs.find(hash);
if (it != m_txs.end()) {
tx = it->second;
return true;
} else if (checkTxPool) {
auto poolIt = m_txPool.find(hash);
if (poolIt != m_txPool.end()) {
tx = poolIt->second;
return true;
}
}
return false;
}
const CryptoNote::AccountBase& TestBlockchainGenerator::getMinerAccount() const {
std::unique_lock<std::mutex> lock(m_mutex);
return miner_acc;
}
void TestBlockchainGenerator::addGenesisBlock() {
std::vector<size_t> bsizes;
generator.addBlock(m_currency.genesisBlock(), 0, 0, bsizes, 0);
m_blockchain.push_back(m_currency.genesisBlock());
addTx(m_currency.genesisBlock().baseTransaction);
m_timestampIndex.add(m_currency.genesisBlock().timestamp, CryptoNote::get_block_hash(m_currency.genesisBlock()));
m_generatedTransactionsIndex.add(m_currency.genesisBlock());
}
void TestBlockchainGenerator::addMiningBlock() {
CryptoNote::Block block;
uint64_t timestamp = time(NULL);
CryptoNote::Block& prev_block = m_blockchain.back();
uint32_t height = boost::get<BaseInput>(prev_block.baseTransaction.inputs.front()).blockIndex + 1;
Crypto::Hash prev_id = get_block_hash(prev_block);
std::vector<size_t> block_sizes;
std::list<CryptoNote::Transaction> tx_list;
generator.constructBlock(block, height, prev_id, miner_acc, timestamp, 0, block_sizes, tx_list);
m_blockchain.push_back(block);
addTx(block.baseTransaction);
m_timestampIndex.add(block.timestamp, CryptoNote::get_block_hash(block));
m_generatedTransactionsIndex.add(block);
}
void TestBlockchainGenerator::generateEmptyBlocks(uint32_t count)
{
std::unique_lock<std::mutex> lock(m_mutex);
for (uint32_t i = 0; i < count; ++i)
{
CryptoNote::Block& prev_block = m_blockchain.back();
CryptoNote::Block block;
generator.constructBlock(block, prev_block, miner_acc);
m_blockchain.push_back(block);
addTx(block.baseTransaction);
m_timestampIndex.add(block.timestamp, CryptoNote::get_block_hash(block));
m_generatedTransactionsIndex.add(block);
}
}
void TestBlockchainGenerator::addTxToBlockchain(const CryptoNote::Transaction& transaction)
{
std::unique_lock<std::mutex> lock(m_mutex);
addToBlockchain(transaction);
}
bool TestBlockchainGenerator::getBlockRewardForAddress(const CryptoNote::AccountPublicAddress& address)
{
std::unique_lock<std::mutex> lock(m_mutex);
doGenerateTransactionsInOneBlock(address, 1);
return true;
}
bool TestBlockchainGenerator::generateTransactionsInOneBlock(const CryptoNote::AccountPublicAddress& address, size_t n) {
std::unique_lock<std::mutex> lock(m_mutex);
return doGenerateTransactionsInOneBlock(address, n);
}
bool TestBlockchainGenerator::doGenerateTransactionsInOneBlock(const AccountPublicAddress &address, size_t n) {
assert(n > 0);
TransactionForAddressCreator creator;
if (!creator.init())
return false;
std::vector<Transaction> txs;
for (size_t i = 0; i < n; ++i) {
Transaction tx;
creator.generate(address, tx);
tx.unlockTime = 10; //default unlock time for coinbase transactions
txs.push_back(tx);
}
addToBlockchain(txs);
return true;
}
bool TestBlockchainGenerator::getSingleOutputTransaction(const CryptoNote::AccountPublicAddress& address, uint64_t amount) {
std::unique_lock<std::mutex> lock(m_mutex);
TransactionForAddressCreator creator;
if (!creator.init())
return false;
CryptoNote::Transaction tx;
creator.generateSingleOutputTx(address, amount, tx);
addToBlockchain(tx);
return true;
}
void TestBlockchainGenerator::addToBlockchain(const CryptoNote::Transaction& tx) {
addToBlockchain(std::vector<CryptoNote::Transaction> {tx});
}
void TestBlockchainGenerator::addToBlockchain(const std::vector<CryptoNote::Transaction>& txs) {
std::list<CryptoNote::Transaction> txsToBlock;
for (const auto& tx: txs) {
addTx(tx);
txsToBlock.push_back(tx);
m_paymentIdIndex.add(tx);
}
CryptoNote::Block& prev_block = m_blockchain.back();
CryptoNote::Block block;
generator.constructBlock(block, prev_block, miner_acc, txsToBlock);
m_blockchain.push_back(block);
addTx(block.baseTransaction);
m_timestampIndex.add(block.timestamp, CryptoNote::get_block_hash(block));
m_generatedTransactionsIndex.add(block);
}
void TestBlockchainGenerator::getPoolSymmetricDifference(std::vector<Crypto::Hash>&& known_pool_tx_ids, Crypto::Hash known_block_id, bool& is_bc_actual,
std::vector<CryptoNote::Transaction>& new_txs, std::vector<Crypto::Hash>& deleted_tx_ids)
{
std::unique_lock<std::mutex> lock(m_mutex);
if (known_block_id != CryptoNote::get_block_hash(m_blockchain.back())) {
is_bc_actual = false;
return;
}
is_bc_actual = true;
std::unordered_set<Crypto::Hash> txIds;
for (const auto& kv : m_txPool) {
txIds.insert(kv.first);
}
std::unordered_set<Crypto::Hash> known_set(known_pool_tx_ids.begin(), known_pool_tx_ids.end());
for (auto it = txIds.begin(), e = txIds.end(); it != e;) {
auto known_it = known_set.find(*it);
if (known_it != known_set.end()) {
known_set.erase(known_it);
it = txIds.erase(it);
}
else {
new_txs.push_back(m_txPool[*it]);
++it;
}
}
deleted_tx_ids.assign(known_set.begin(), known_set.end());
}
void TestBlockchainGenerator::putTxToPool(const CryptoNote::Transaction& tx) {
std::unique_lock<std::mutex> lock(m_mutex);
Crypto::Hash txHash = CryptoNote::getObjectHash(tx);
m_txPool[txHash] = tx;
}
void TestBlockchainGenerator::putTxPoolToBlockchain() {
std::unique_lock<std::mutex> lock(m_mutex);
std::vector<CryptoNote::Transaction> txs;
for (auto& kv : m_txPool) {
txs.push_back(kv.second);
}
addToBlockchain(txs);
m_txPool.clear();
}
void TestBlockchainGenerator::clearTxPool() {
std::unique_lock<std::mutex> lock(m_mutex);
m_txPool.clear();
}
void TestBlockchainGenerator::cutBlockchain(uint32_t height) {
std::unique_lock<std::mutex> lock(m_mutex);
assert(height < m_blockchain.size());
//assert(height > m_lastHeight);
auto it = m_blockchain.begin();
std::advance(it, height);
m_blockchain.erase(it, m_blockchain.end());
//TODO: delete transactions from m_txs
}
bool TestBlockchainGenerator::addOrphan(const Crypto::Hash& hash, uint32_t height) {
CryptoNote::Block block;
uint64_t timestamp = time(NULL);
generator.constructBlock(block, miner_acc, timestamp);
return m_orthanBlocksIndex.add(block);
}
bool TestBlockchainGenerator::getGeneratedTransactionsNumber(uint32_t height, uint64_t& generatedTransactions) {
return m_generatedTransactionsIndex.find(height, generatedTransactions);
}
bool TestBlockchainGenerator::getOrphanBlockIdsByHeight(uint32_t height, std::vector<Crypto::Hash>& blockHashes) {
return m_orthanBlocksIndex.find(height, blockHashes);
}
bool TestBlockchainGenerator::getBlockIdsByTimestamp(uint64_t timestampBegin, uint64_t timestampEnd, uint32_t blocksNumberLimit, std::vector<Crypto::Hash>& hashes, uint32_t& blocksNumberWithinTimestamps) {
uint64_t blockCount;
if (!m_timestampIndex.find(timestampBegin, timestampEnd, blocksNumberLimit, hashes, blockCount)) {
return false;
}
blocksNumberWithinTimestamps = static_cast<uint32_t>(blockCount);
return true;
}
bool TestBlockchainGenerator::getPoolTransactionIdsByTimestamp(uint64_t timestampBegin, uint64_t timestampEnd, uint32_t transactionsNumberLimit, std::vector<Crypto::Hash>& hashes, uint64_t& transactionsNumberWithinTimestamps) {
std::vector<Crypto::Hash> blockHashes;
if (!m_timestampIndex.find(timestampBegin, timestampEnd, transactionsNumberLimit, blockHashes, transactionsNumberWithinTimestamps)) {
return false;
}
transactionsNumberWithinTimestamps = m_txPool.size();
uint32_t c = 0;
for (auto i : m_txPool) {
if (c >= transactionsNumberLimit) {
return true;
}
hashes.push_back(CryptoNote::getObjectHash(i.second));
++c;
}
return true;
}
bool TestBlockchainGenerator::getTransactionIdsByPaymentId(const Crypto::Hash& paymentId, std::vector<Crypto::Hash>& transactionHashes) {
return m_paymentIdIndex.find(paymentId, transactionHashes);
}
void TestBlockchainGenerator::addTx(const CryptoNote::Transaction& tx) {
Crypto::Hash txHash = getObjectHash(tx);
m_txs[txHash] = tx;
auto& globalIndexes = transactionGlobalOuts[txHash];
for (uint16_t outIndex = 0; outIndex < tx.outputs.size(); ++outIndex) {
const auto& out = tx.outputs[outIndex];
if (out.target.type() == typeid(KeyOutput)) {
auto& keyOutsContainer = keyOutsIndex[out.amount];
globalIndexes.push_back(keyOutsContainer.size());
keyOutsContainer.push_back({ txHash, outIndex });
} else if (out.target.type() == typeid(MultisignatureOutput)) {
auto& msigOutsContainer = multisignatureOutsIndex[out.amount];
globalIndexes.push_back(msigOutsContainer.size());
msigOutsContainer.push_back({ txHash, outIndex });
}
}
}
bool TestBlockchainGenerator::getTransactionGlobalIndexesByHash(const Crypto::Hash& transactionHash, std::vector<uint32_t>& globalIndexes) {
auto globalIndexesIt = transactionGlobalOuts.find(transactionHash);
if (globalIndexesIt == transactionGlobalOuts.end()) {
return false;
}
globalIndexes = globalIndexesIt->second;
return true;
}
bool TestBlockchainGenerator::getMultisignatureOutputByGlobalIndex(uint64_t amount, uint32_t globalIndex, MultisignatureOutput& out) {
auto it = multisignatureOutsIndex.find(amount);
if (it == multisignatureOutsIndex.end()) {
return false;
}
if (it->second.size() <= globalIndex) {
return false;
}
MultisignatureOutEntry entry = it->second[globalIndex];
const auto& tx = m_txs[entry.transactionHash];
assert(tx.outputs.size() > entry.indexOut);
assert(tx.outputs[entry.indexOut].target.type() == typeid(MultisignatureOutput));
out = boost::get<MultisignatureOutput>(tx.outputs[entry.indexOut].target);
return true;
}