text: // Copyright (c) 2018, The Safex 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
  // Parts of this file are originally copyright (c) 2014-2018 The Monero Project
  
  #pragma once 
  #include "chaingen.h"
  
  template<size_t invalid_block_idx = 0>
  class gen_block_verification_base : public test_chain_unit_base
  {
  public:
    gen_block_verification_base()
    {
      REGISTER_CALLBACK("check_block_purged", gen_block_verification_base<invalid_block_idx>::check_block_purged);
    }
  
    bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/)
    {
      if (invalid_block_idx == event_idx)
        return bvc.m_verifivation_failed;
      else
        return !bvc.m_verifivation_failed;
    }
  
    bool check_block_purged(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events)
    {
      DEFINE_TESTS_ERROR_CONTEXT("gen_block_verification_base::check_block_purged");
  
      CHECK_TEST_CONDITION(invalid_block_idx < ev_index);
      CHECK_EQ(0, c.get_pool_transactions_count());
      CHECK_EQ(invalid_block_idx, c.get_current_blockchain_height());
  
      return true;
    }
  };
  
  template<size_t expected_blockchain_height>
  struct gen_block_accepted_base : public test_chain_unit_base
  {
    gen_block_accepted_base()
    {
      REGISTER_CALLBACK("check_block_accepted", gen_block_accepted_base::check_block_accepted);
    }
  
    bool check_block_accepted(cryptonote::core& c, size_t /*ev_index*/, const std::vector<test_event_entry>& /*events*/)
    {
      DEFINE_TESTS_ERROR_CONTEXT("gen_block_accepted_base::check_block_accepted");
  
      CHECK_EQ(0, c.get_pool_transactions_count());
      CHECK_EQ(expected_blockchain_height, c.get_current_blockchain_height());
  
      return true;
    }
  };
  
  struct gen_block_big_major_version : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_big_minor_version : public gen_block_accepted_base<2>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_ts_not_checked : public gen_block_accepted_base<BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_ts_in_past : public gen_block_verification_base<BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_ts_in_future : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_invalid_prev_id : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
    bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/);
  };
  
  struct gen_block_invalid_nonce : public gen_block_verification_base<3>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_no_miner_tx : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_unlock_time_is_low : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_unlock_time_is_high : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_unlock_time_is_timestamp_in_past : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_unlock_time_is_timestamp_in_future : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_height_is_low : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_height_is_high : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_has_2_tx_gen_in : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_has_2_in : public gen_block_verification_base<CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW + 1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_with_txin_to_key : public gen_block_verification_base<CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW + 2>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_out_is_small : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_out_is_big : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_has_no_out : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_miner_tx_has_out_to_alice : public gen_block_accepted_base<2>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_has_invalid_tx : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_is_too_big : public gen_block_verification_base<1>
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  
  struct gen_block_invalid_binary_format : public test_chain_unit_base
  {
    gen_block_invalid_binary_format();
    bool generate(std::vector<test_event_entry>& events) const;
    bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*blk*/);
    bool check_all_blocks_purged(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events);
    bool corrupt_blocks_boundary(cryptonote::core& c, size_t ev_index, const std::vector<test_event_entry>& events);
  
  private:
    size_t m_corrupt_blocks_begin_idx;
  };
  