text: // Copyright (c) 2014-2018, The Monero 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
  
  #pragma once 
  #include "chaingen.h"
  
  struct gen_rct_tx_validation_base : public test_chain_unit_base
  {
    gen_rct_tx_validation_base()
      : m_invalid_tx_index(0)
      , m_invalid_block_index(0)
    {
      REGISTER_CALLBACK(mark_invalid_tx);
      REGISTER_CALLBACK(mark_invalid_block);
    }
  
    bool check_tx_verification_context(const cryptonote::tx_verification_context& tvc, bool tx_added, size_t event_idx, const cryptonote::transaction& /*tx*/)
    {
      if (m_invalid_tx_index == event_idx)
        return tvc.m_verifivation_failed;
      else
        return !tvc.m_verifivation_failed && tx_added;
    }
  
    bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*block*/)
    {
      if (m_invalid_block_index == event_idx)
        return bvc.m_verifivation_failed;
      else
        return !bvc.m_verifivation_failed;
    }
  
    bool mark_invalid_block(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
    {
      m_invalid_block_index = ev_index + 1;
      return true;
    }
  
    bool mark_invalid_tx(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
    {
      m_invalid_tx_index = ev_index + 1;
      return true;
    }
  
    bool generate_with_full(std::vector<test_event_entry>& events, const int *out_idx, int mixin,
        uint64_t amount_paid, size_t second_rewind, uint8_t last_version, const rct::RCTConfig &rct_config, bool valid,
        const std::function<void(std::vector<cryptonote::tx_source_entry> &sources, std::vector<cryptonote::tx_destination_entry> &destinations)> &pre_tx,
        const std::function<void(cryptonote::transaction &tx)> &post_tx) const;
    bool generate_with(std::vector<test_event_entry>& events, const int *out_idx, int mixin,
        uint64_t amount_paid, bool valid,
        const std::function<void(std::vector<cryptonote::tx_source_entry> &sources, std::vector<cryptonote::tx_destination_entry> &destinations)> &pre_tx,
        const std::function<void(cryptonote::transaction &tx)> &post_tx) const;
  
  private:
    size_t m_invalid_tx_index;
    size_t m_invalid_block_index;
  };
  
  template<>
  struct get_test_options<gen_rct_tx_validation_base> {
    const std::vector<cryptonote::hard_fork> hard_forks = {{1,0,0,0}, {2,0,1,0}, {4,0,65,0}};
    const cryptonote::test_options test_options = {
      hard_forks, 0
    };
  };
  
  // valid
  struct gen_rct_tx_valid_from_pre_rct : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_valid_from_pre_rct>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_valid_from_rct : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_valid_from_rct>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_valid_from_mixed : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_valid_from_mixed>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // altered commitment/dest
  struct gen_rct_tx_pre_rct_bad_real_dest : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_bad_real_dest>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_bad_real_mask : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_bad_real_mask>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_bad_fake_dest : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_bad_fake_dest>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_bad_fake_mask : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_bad_fake_mask>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_bad_real_dest : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_bad_real_dest>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_bad_real_mask : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_bad_real_mask>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_bad_fake_dest : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_bad_fake_dest>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_bad_fake_mask : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_bad_fake_mask>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_spend_with_zero_commit : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_spend_with_zero_commit>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // altered amounts
  struct gen_rct_tx_pre_rct_zero_vin_amount : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_zero_vin_amount>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_non_zero_vin_amount : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_non_zero_vin_amount>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_non_zero_vout_amount : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_non_zero_vout_amount>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // key image
  struct gen_rct_tx_pre_rct_duplicate_key_image : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_duplicate_key_image>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_duplicate_key_image : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_duplicate_key_image>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_wrong_key_image : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_wrong_key_image>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_wrong_key_image : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_wrong_key_image>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // fee
  struct gen_rct_tx_pre_rct_wrong_fee : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_wrong_fee>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_wrong_fee : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_wrong_fee>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_increase_vin_and_fee : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_increase_vin_and_fee>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // modify vin/vout
  struct gen_rct_tx_pre_rct_remove_vin : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_remove_vin>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_remove_vin : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_remove_vin>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_pre_rct_add_vout : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_add_vout>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_add_vout : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_add_vout>: public get_test_options<gen_rct_tx_validation_base> {};
  
  // extra
  struct gen_rct_tx_pre_rct_altered_extra : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_pre_rct_altered_extra>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_rct_altered_extra : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_rct_altered_extra>: public get_test_options<gen_rct_tx_validation_base> {};
  
  struct gen_rct_tx_uses_output_too_early : public gen_rct_tx_validation_base
  {
    bool generate(std::vector<test_event_entry>& events) const;
  };
  template<> struct get_test_options<gen_rct_tx_uses_output_too_early> {
    const std::vector<cryptonote::hard_fork> hard_forks = {{1,0,0,0}, {2,0,1,0}, {4,0,65,0}, {12,0,69,0}, {0,0,0,0}};
    const cryptonote::test_options test_options = {
      hard_forks, 0
    };
  };
  