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 <string>
  #include <vector>
  #include <map>
  #include "gtest/gtest.h"
  
  #include "blockchain_db/blockchain_db.h"
  
  namespace cryptonote { struct checkpoint_t; };
  
  class BaseTestDB: public cryptonote::BlockchainDB {
  public:
    BaseTestDB() {}
    virtual void add_block(const cryptonote::block& blk, size_t block_weight, uint64_t long_term_block_weight, const cryptonote::difficulty_type& cumulative_difficulty, const uint64_t& coins_generated , uint64_t num_rct_outs, const crypto::hash& blk_hash) override { }
    virtual void remove_block() override { }
    virtual uint64_t add_transaction_data(const crypto::hash& blk_hash, const cryptonote::transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prunable_hash) override {return 0;}
    virtual void remove_transaction_data(const crypto::hash& tx_hash, const cryptonote::transaction& tx) override {}
    virtual void add_tx_amount_output_indices(const uint64_t tx_index, const std::vector<uint64_t>& amount_output_indices) override {}
    virtual void add_spent_key(const crypto::key_image& k_image) override {}
    virtual void remove_spent_key(const crypto::key_image& k_image) override {}
  
    virtual uint64_t add_output(const crypto::hash& tx_hash, const cryptonote::tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time, const rct::key *commitment) override {return 0;}
    virtual void open(const std::string& filename, const int db_flags = 0) override { }
    virtual void close() override {}
    virtual void sync() override {}
    virtual void safesyncmode(const bool onoff) override {}
    virtual void reset() override {}
    virtual std::vector<std::string> get_filenames() const override { return std::vector<std::string>(); }
    virtual bool remove_data_file(const std::string& folder) const override { return true; }
    virtual std::string get_db_name() const override { return std::string(); }
    virtual bool lock() override { return true; }
    virtual void unlock() override { }
    virtual bool batch_start(uint64_t batch_num_blocks, uint64_t batch_bytes) override { return true; }
    virtual void batch_stop() override {}
    virtual void set_batch_transactions(bool) override {}
  
    virtual void block_wtxn_start() {}
    virtual void block_wtxn_stop() {}
    virtual void block_wtxn_abort() {}
    virtual bool block_rtxn_start() const { return true; }
    virtual void block_rtxn_stop() const {}
    virtual void block_rtxn_abort() const {}
  
    virtual bool block_exists(const crypto::hash& h, uint64_t *height) const override { return false; }
    virtual void update_block_checkpoint(cryptonote::checkpoint_t const &checkpoint) override {}
    virtual bool get_block_checkpoint   (uint64_t height, cryptonote::checkpoint_t &checkpoint) const override { return false; }
    virtual bool get_top_checkpoint     (cryptonote::checkpoint_t &checkpoint) const override { return false; }
    virtual void remove_block_checkpoint(uint64_t height) override { }
    virtual std::vector<cryptonote::checkpoint_t> get_checkpoints_range(uint64_t start, uint64_t end, size_t num_desired_checkpoints) const override { return {};}
    virtual cryptonote::blobdata get_block_blob(const crypto::hash& h) const override { return cryptonote::blobdata(); }
    virtual uint64_t get_block_height(const crypto::hash& h) const override { return 0; }
    virtual cryptonote::block_header get_block_header(const crypto::hash& h) const override { return cryptonote::block_header(); }
    virtual cryptonote::blobdata get_block_blob_from_height(const uint64_t& height) const override { return cryptonote::t_serializable_object_to_blob(get_block_from_height(height)); }
    virtual cryptonote::block get_block_from_height(const uint64_t& height) const override { return cryptonote::block(); }
    virtual uint64_t get_block_timestamp(const uint64_t& height) const override { return 0; }
    virtual std::vector<uint64_t> get_block_cumulative_rct_outputs(const std::vector<uint64_t> &heights) const override { return {}; }
    virtual uint64_t get_top_block_timestamp() const override { return 0; }
    virtual size_t get_block_weight(const uint64_t& height) const override { return 128; }
    virtual cryptonote::difficulty_type get_block_cumulative_difficulty(const uint64_t& height) const override { return 10; }
    virtual cryptonote::difficulty_type get_block_difficulty(const uint64_t& height) const override { return 0; }
    virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const override { return 10000000000; }
    virtual uint64_t get_block_long_term_weight(const uint64_t& height) const override { return 0; }
    virtual crypto::hash get_block_hash_from_height(const uint64_t& height) const override { return crypto::hash(); }
    virtual std::vector<cryptonote::block> get_blocks_range(const uint64_t& h1, const uint64_t& h2) const override { return std::vector<cryptonote::block>(); }
    virtual std::vector<crypto::hash> get_hashes_range(const uint64_t& h1, const uint64_t& h2) const override { return std::vector<crypto::hash>(); }
    virtual crypto::hash top_block_hash() const override { return crypto::hash(); }
    virtual cryptonote::block get_top_block() const override { return cryptonote::block(); }
    virtual uint64_t height() const override { return 1; }
    virtual bool tx_exists(const crypto::hash& h) const override { return false; }
    virtual bool tx_exists(const crypto::hash& h, uint64_t& tx_index) const override { return false; }
    virtual uint64_t get_tx_unlock_time(const crypto::hash& h) const override { return 0; }
    virtual cryptonote::transaction get_tx(const crypto::hash& h) const override { return cryptonote::transaction(); }
    virtual bool get_pruned_tx(const crypto::hash& h, cryptonote::transaction &tx) const override { return false; }
    virtual bool get_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
    virtual bool get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
    virtual bool get_prunable_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
    virtual bool get_prunable_tx_hash(const crypto::hash& tx_hash, crypto::hash &prunable_hash) const override { return false; }
    virtual uint64_t get_tx_count() const override { return 0; }
    virtual std::vector<cryptonote::transaction> get_tx_list(const std::vector<crypto::hash>& hlist) const override { return std::vector<cryptonote::transaction>(); }
    virtual uint64_t get_tx_block_height(const crypto::hash& h) const override { return 0; }
    virtual uint64_t get_num_outputs(const uint64_t& amount) const override { return 1; }
    virtual uint64_t get_indexing_base() const override { return 0; }
    virtual cryptonote::output_data_t get_output_key(const uint64_t& amount, const uint64_t& index, bool include_commitmemt) const override { return cryptonote::output_data_t(); }
    virtual cryptonote::tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const override { return cryptonote::tx_out_index(); }
    virtual cryptonote::tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const override { return cryptonote::tx_out_index(); }
    virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<cryptonote::tx_out_index> &indices) const override {}
    virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<cryptonote::output_data_t> &outputs, bool allow_partial) const override {}
    virtual bool can_thread_bulk_indices() const override { return false; }
    virtual std::vector<std::vector<uint64_t>> get_tx_amount_output_indices(const uint64_t tx_index, size_t n_txes) const override { return std::vector<std::vector<uint64_t>>(); }
    virtual bool has_key_image(const crypto::key_image& img) const override { return false; }
    virtual void add_txpool_tx(const crypto::hash &txid, const cryptonote::blobdata &blob, const cryptonote::txpool_tx_meta_t& details) override {}
    virtual void update_txpool_tx(const crypto::hash &txid, const cryptonote::txpool_tx_meta_t& details) override {}
    virtual uint64_t get_txpool_tx_count(bool include_unrelayed_txes = true) const override { return 0; }
    virtual bool txpool_has_tx(const crypto::hash &txid) const override { return false; }
    virtual void remove_txpool_tx(const crypto::hash& txid) override {}
    virtual bool get_txpool_tx_meta(const crypto::hash& txid, cryptonote::txpool_tx_meta_t &meta) const override { return false; }
    virtual bool get_txpool_tx_blob(const crypto::hash& txid, cryptonote::blobdata &bd) const override { return false; }
    virtual cryptonote::blobdata get_txpool_tx_blob(const crypto::hash& txid) const override { return ""; }
    virtual void prune_outputs(uint64_t amount) override {}
    virtual uint32_t get_blockchain_pruning_seed() const override { return 0; }
    virtual bool prune_blockchain(uint32_t pruning_seed = 0) override { return true; }
    virtual bool update_pruning() override { return true; }
    virtual bool check_pruning() override { return true; }
    virtual bool for_all_txpool_txes(std::function<bool(const crypto::hash&, const cryptonote::txpool_tx_meta_t&, const cryptonote::blobdata*)>, bool include_blob, bool include_unrelayed_txes) const override { return false; }
    virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const { return true; }
    virtual bool for_blocks_range(const uint64_t&, const uint64_t&, std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const override { return true; }
    virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>, bool pruned) const override { return true; }
    virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, uint64_t height, size_t tx_idx)> f) const override { return true; }
    virtual bool for_all_outputs(uint64_t amount, const std::function<bool(uint64_t height)> &f) const override { return true; }
  
    virtual void set_hard_fork_version(uint64_t height, uint8_t version) override {}
    virtual uint8_t get_hard_fork_version(uint64_t height) const override { return 0; }
    virtual void check_hard_fork_info() override {}
    virtual void drop_hard_fork_info() override {}
  
    virtual std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff, uint64_t min_count) const override { return std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>>(); }
    virtual bool get_output_distribution(uint64_t amount, uint64_t from_height, uint64_t to_height, std::vector<uint64_t> &distribution, uint64_t &base) const override { return false; }
    virtual bool is_read_only() const override { return false; }
    virtual uint64_t get_database_size() const override { return 0; }
  
    virtual bool get_output_blacklist   (std::vector<uint64_t> &blacklist)       const override { return false; }
    virtual void add_output_blacklist   (std::vector<uint64_t> const &blacklist)       override { }
    virtual void set_service_node_data  (const std::string& data)                      override { }
    virtual bool get_service_node_data  (std::string& data)                            override { return false; }
    virtual void clear_service_node_data()                                             override { }
  
    virtual cryptonote::transaction get_pruned_tx(const crypto::hash& h) const override { return {}; };
    virtual bool get_tx(const crypto::hash& h, cryptonote::transaction &tx) const override { return false; }
  };
  
  