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103 lines
4.2 KiB
C++
103 lines
4.2 KiB
C++
// Copyright (c) 2014-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include <vector>
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#include "cryptonote_basic/account.h"
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#include "cryptonote_basic/cryptonote_basic.h"
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#include "cryptonote_core/cryptonote_tx_utils.h"
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#include "crypto/crypto.h"
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#include "ringct/rctSigs.h"
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#include "multi_tx_test_base.h"
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template<size_t a_ring_size, size_t a_outputs, bool a_rct, bool a_bulletproof>
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class test_check_tx_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_rct ? (a_ring_size <= 2 ? 50 : 10) : a_ring_size < 100 ? 100 : 10;
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static const size_t ring_size = a_ring_size;
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static const size_t outputs = a_outputs;
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static const bool rct = a_rct;
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static const bool bulletproof = a_bulletproof;
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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 - outputs + 1, m_alice.get_keys().m_account_address, false));
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for (size_t n = 1; n < outputs; ++n)
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destinations.push_back(tx_destination_entry(1, m_alice.get_keys().m_account_address, false));
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crypto::secret_key tx_key;
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std::vector<crypto::secret_key> additional_tx_keys;
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std::unordered_map<crypto::public_key, cryptonote::subaddress_index> subaddresses;
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subaddresses[this->m_miners[this->real_source_idx].get_keys().m_account_address.m_spend_public_key] = {0,0};
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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, bulletproof ? rct::RangeProofMultiOutputBulletproof : rct::RangeProofBorromean))
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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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if (rct)
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{
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if (m_tx.rct_signatures.type == rct::RCTTypeFull || m_tx.rct_signatures.type == rct::RCTTypeFullBulletproof)
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return rct::verRct(m_tx.rct_signatures);
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else
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return rct::verRctSimple(m_tx.rct_signatures);
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}
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else
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{
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const cryptonote::txin_to_key& txin = boost::get<cryptonote::txin_to_key>(m_tx.vin[0]);
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return crypto::check_ring_signature(m_tx_prefix_hash, txin.k_image, this->m_public_key_ptrs, ring_size, m_tx.signatures[0].data());
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}
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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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