71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <vector>
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#include "cryptonote_core/account.h"
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#include "cryptonote_core/cryptonote_basic.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "crypto/crypto.h"
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#include "multi_tx_test_base.h"
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template<size_t a_ring_size>
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class test_check_ring_signature : private multi_tx_test_base<a_ring_size>
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{
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static_assert(0 < a_ring_size, "ring_size must be greater than 0");
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public:
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static const size_t loop_count = a_ring_size < 100 ? 100 : 10;
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static const size_t ring_size = a_ring_size;
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typedef multi_tx_test_base<a_ring_size> base_class;
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bool init()
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{
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using namespace CryptoNote;
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if (!base_class::init())
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return false;
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m_alice.generate();
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std::vector<tx_destination_entry> destinations;
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destinations.push_back(tx_destination_entry(this->m_source_amount, m_alice.get_keys().m_account_address));
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if (!construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, destinations, std::vector<uint8_t>(), m_tx, 0, this->m_logger))
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return false;
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get_transaction_prefix_hash(m_tx, m_tx_prefix_hash);
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return true;
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}
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bool test()
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{
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const CryptoNote::TransactionInputToKey& txin = boost::get<CryptoNote::TransactionInputToKey>(m_tx.vin[0]);
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return crypto::check_ring_signature(m_tx_prefix_hash, txin.keyImage, this->m_public_key_ptrs, ring_size, m_tx.signatures[0].data());
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}
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private:
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CryptoNote::account_base m_alice;
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CryptoNote::Transaction m_tx;
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crypto::hash m_tx_prefix_hash;
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};
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