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// 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.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#pragma once
#include <vector>
#include "cryptonote_basic/account.h"
#include "cryptonote_basic/cryptonote_basic.h"
#include "cryptonote_core/cryptonote_tx_utils.h"
#include "crypto/crypto.h"
#include "ringct/rctSigs.h"
#include "multi_tx_test_base.h"
template<size_t a_ring_size, bool a_rct>
class test_check_tx_signature : private multi_tx_test_base<a_ring_size>
{
static_assert(0 < a_ring_size, "ring_size must be greater than 0");
public:
static const size_t loop_count = a_rct ? 10 : a_ring_size < 100 ? 100 : 10;
static const size_t ring_size = a_ring_size;
static const bool rct = a_rct;
typedef multi_tx_test_base<a_ring_size> base_class;
bool init()
{
using namespace cryptonote;
if (!base_class::init())
return false;
m_alice.generate();
std::vector<tx_destination_entry> destinations;
destinations.push_back(tx_destination_entry(this->m_source_amount, m_alice.get_keys().m_account_address, false));
crypto::secret_key tx_key;
std::vector<crypto::secret_key> additional_tx_keys;
std::unordered_map<crypto::public_key, cryptonote::subaddress_index> subaddresses;
subaddresses[this->m_miners[this->real_source_idx].get_keys().m_account_address.m_spend_public_key] = {0,0};
if (!construct_tx_and_get_tx_key(this->m_miners[this->real_source_idx].get_keys(), subaddresses, this->m_sources, destinations, cryptonote::account_public_address{}, std::vector<uint8_t>(), m_tx, 0, tx_key, additional_tx_keys, rct))
return false;
get_transaction_prefix_hash(m_tx, m_tx_prefix_hash);
return true;
}
bool test()
{
if (rct)
{
if (m_tx.rct_signatures.type == rct::RCTTypeFull || m_tx.rct_signatures.type == rct::RCTTypeFullBulletproof)
return rct::verRct(m_tx.rct_signatures);
else
return rct::verRctSimple(m_tx.rct_signatures);
}
else
{
const cryptonote::txin_to_key& txin = boost::get<cryptonote::txin_to_key>(m_tx.vin[0]);
return crypto::check_ring_signature(m_tx_prefix_hash, txin.k_image, this->m_public_key_ptrs, ring_size, m_tx.signatures[0].data());
}
}
private:
cryptonote::account_base m_alice;
cryptonote::transaction m_tx;
crypto::hash m_tx_prefix_hash;
};
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