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Implements view tags as proposed by @UkoeHB in MRL issue https://github.com/monero-project/research-lab/issues/73 At tx construction, the sender adds a 1-byte view tag to each output. The view tag is derived from the sender-receiver shared secret. When scanning for outputs, the receiver can check the view tag for a match, in order to reduce scanning time. When the view tag does not match, the wallet avoids the more expensive EC operations when deriving the output public key using the shared secret.
267 lines
9.4 KiB
C++
267 lines
9.4 KiB
C++
// Copyright (c) 2014-2022, 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 "chaingen.h"
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template<size_t invalid_block_idx = 0>
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class gen_block_verification_base : public test_chain_unit_base
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{
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public:
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gen_block_verification_base()
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{
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REGISTER_CALLBACK("check_block_purged", gen_block_verification_base<invalid_block_idx>::check_block_purged);
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}
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bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/)
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{
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if (invalid_block_idx == event_idx)
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return bvc.m_verifivation_failed;
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else
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return !bvc.m_verifivation_failed;
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}
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bool check_block_purged(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events)
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{
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DEFINE_TESTS_ERROR_CONTEXT("gen_block_verification_base::check_block_purged");
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CHECK_TEST_CONDITION(invalid_block_idx < ev_index);
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CHECK_EQ(0, c.get_pool_transactions_count());
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CHECK_EQ(invalid_block_idx, c.get_current_blockchain_height());
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return true;
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}
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};
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template<size_t expected_blockchain_height>
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struct gen_block_accepted_base : public test_chain_unit_base
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{
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gen_block_accepted_base()
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{
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REGISTER_CALLBACK("check_block_accepted", gen_block_accepted_base::check_block_accepted);
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}
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bool check_block_accepted(cryptonote::core& c, size_t /*ev_index*/, const std::vector<test_event_entry>& /*events*/)
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{
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DEFINE_TESTS_ERROR_CONTEXT("gen_block_accepted_base::check_block_accepted");
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CHECK_EQ(0, c.get_pool_transactions_count());
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CHECK_EQ(expected_blockchain_height, c.get_current_blockchain_height());
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return true;
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}
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};
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struct gen_block_big_major_version : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_big_minor_version : public gen_block_accepted_base<2>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_ts_not_checked : public gen_block_accepted_base<BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_ts_in_past : public gen_block_verification_base<BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_ts_in_future : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_invalid_prev_id : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/);
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};
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struct gen_block_invalid_nonce : public gen_block_verification_base<3>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_no_miner_tx : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_unlock_time_is_low : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_unlock_time_is_high : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_unlock_time_is_timestamp_in_past : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_unlock_time_is_timestamp_in_future : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_height_is_low : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_height_is_high : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_has_2_tx_gen_in : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_has_2_in : public gen_block_verification_base<CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW + 1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_with_txin_to_key : public gen_block_verification_base<CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW + 2>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_out_is_small : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_out_is_big : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_has_no_out : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_has_out_to_alice : public gen_block_accepted_base<2>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_has_invalid_tx : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_is_too_big : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_invalid_binary_format : public test_chain_unit_base
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{
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gen_block_invalid_binary_format();
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bool generate(std::vector<test_event_entry>& events) const;
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bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/);
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bool check_all_blocks_purged(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events);
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bool corrupt_blocks_boundary(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events);
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private:
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size_t m_corrupt_blocks_begin_idx;
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};
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struct gen_block_late_v1_coinbase_tx : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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template<>
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struct get_test_options<gen_block_late_v1_coinbase_tx> {
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const std::pair<uint8_t, uint64_t> hard_forks[3] = {std::make_pair(1, 0), std::make_pair(HF_VERSION_MIN_V2_COINBASE_TX, 1), std::make_pair(0, 0)};
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const cryptonote::test_options test_options = {
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hard_forks, 0
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};
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};
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struct gen_block_low_coinbase : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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template<>
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struct get_test_options<gen_block_low_coinbase> {
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const std::pair<uint8_t, uint64_t> hard_forks[3] = {std::make_pair(1, 0), std::make_pair(HF_VERSION_EXACT_COINBASE, 1), std::make_pair(0, 0)};
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const cryptonote::test_options test_options = {
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hard_forks, 0
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};
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};
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struct gen_block_miner_tx_out_has_no_view_tag_before_hf_view_tags : public gen_block_accepted_base<2>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_out_has_no_view_tag_from_hf_view_tags : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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template<>
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struct get_test_options<gen_block_miner_tx_out_has_no_view_tag_from_hf_view_tags> {
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const std::pair<uint8_t, uint64_t> hard_forks[3] = {std::make_pair(1, 0), std::make_pair(HF_VERSION_VIEW_TAGS+1, 1), std::make_pair(0, 0)};
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const cryptonote::test_options test_options = {
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hard_forks, 0
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};
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};
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struct gen_block_miner_tx_out_has_view_tag_before_hf_view_tags : public gen_block_verification_base<1>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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struct gen_block_miner_tx_out_has_view_tag_from_hf_view_tags : public gen_block_accepted_base<2>
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{
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bool generate(std::vector<test_event_entry>& events) const;
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};
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template<>
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struct get_test_options<gen_block_miner_tx_out_has_view_tag_from_hf_view_tags> {
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const std::pair<uint8_t, uint64_t> hard_forks[3] = {std::make_pair(1, 0), std::make_pair(HF_VERSION_VIEW_TAGS, 1), std::make_pair(0, 0)};
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const cryptonote::test_options test_options = {
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hard_forks, 0
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};
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};
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