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// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <vector>
#include "cryptonote_core/account.h"
#include "cryptonote_core/cryptonote_basic.h"
#include "cryptonote_core/cryptonote_format_utils.h"
#include "crypto/crypto.h"
#include "multi_tx_test_base.h"
template<size_t a_ring_size>
class test_check_ring_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_ring_size < 100 ? 100 : 10;
static const size_t ring_size = a_ring_size;
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));
if (!construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, destinations, std::vector<uint8_t>(), m_tx, 0))
return false;
get_transaction_prefix_hash(m_tx, m_tx_prefix_hash);
return true;
}
bool test()
{
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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