521 lines
20 KiB
C++
521 lines
20 KiB
C++
// Copyright (c) 2014-2016, 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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#include <algorithm>
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#include "gtest/gtest.h"
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#include "blockchain_db/lmdb/db_lmdb.h"
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#include "cryptonote_core/hardfork.h"
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using namespace cryptonote;
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#define BLOCKS_PER_YEAR 525960
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#define SECONDS_PER_YEAR 31557600
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class TestDB: public BlockchainDB {
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public:
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TestDB() {
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for (size_t n = 0; n < 256; ++n)
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starting_height[n] = std::numeric_limits<uint64_t>::max();
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}
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virtual void open(const std::string& filename, const int db_flags = 0) { }
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virtual void close() {}
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virtual void sync() {}
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virtual void reset() {}
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virtual std::vector<std::string> get_filenames() const { return std::vector<std::string>(); }
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virtual std::string get_db_name() const { return std::string(); }
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virtual bool lock() { return true; }
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virtual void unlock() { }
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virtual void batch_start(uint64_t batch_num_blocks=0) {}
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virtual void batch_stop() {}
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virtual void set_batch_transactions(bool) {}
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virtual bool block_exists(const crypto::hash& h) const { return false; }
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virtual block get_block(const crypto::hash& h) const { return block(); }
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virtual uint64_t get_block_height(const crypto::hash& h) const { return 0; }
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virtual block_header get_block_header(const crypto::hash& h) const { return block_header(); }
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virtual uint64_t get_block_timestamp(const uint64_t& height) const { return 0; }
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virtual uint64_t get_top_block_timestamp() const { return 0; }
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virtual size_t get_block_size(const uint64_t& height) const { return 128; }
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virtual difficulty_type get_block_cumulative_difficulty(const uint64_t& height) const { return 10; }
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virtual difficulty_type get_block_difficulty(const uint64_t& height) const { return 0; }
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virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const { return 10000000000; }
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virtual crypto::hash get_block_hash_from_height(const uint64_t& height) const { return crypto::hash(); }
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virtual std::vector<block> get_blocks_range(const uint64_t& h1, const uint64_t& h2) const { return std::vector<block>(); }
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virtual std::vector<crypto::hash> get_hashes_range(const uint64_t& h1, const uint64_t& h2) const { return std::vector<crypto::hash>(); }
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virtual crypto::hash top_block_hash() const { return crypto::hash(); }
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virtual block get_top_block() const { return block(); }
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virtual uint64_t height() const { return blocks.size(); }
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virtual bool tx_exists(const crypto::hash& h) const { return false; }
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virtual uint64_t get_tx_unlock_time(const crypto::hash& h) const { return 0; }
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virtual transaction get_tx(const crypto::hash& h) const { return transaction(); }
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virtual uint64_t get_tx_count() const { return 0; }
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virtual std::vector<transaction> get_tx_list(const std::vector<crypto::hash>& hlist) const { return std::vector<transaction>(); }
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virtual uint64_t get_tx_block_height(const crypto::hash& h) const { return 0; }
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virtual uint64_t get_num_outputs(const uint64_t& amount) const { return 1; }
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virtual uint64_t get_indexing_base() const { return 0; }
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virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) { return output_data_t(); }
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virtual output_data_t get_output_key(const uint64_t& global_index) const { return output_data_t(); }
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virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const { return tx_out_index(); }
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virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) { return tx_out_index(); }
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virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) {}
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virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs) {}
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virtual bool can_thread_bulk_indices() const { return false; }
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virtual std::vector<uint64_t> get_tx_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
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virtual std::vector<uint64_t> get_tx_amount_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
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virtual bool has_key_image(const crypto::key_image& img) const { return false; }
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virtual void remove_block() { blocks.pop_back(); }
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virtual void add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash) {}
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virtual void remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx) {}
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virtual void add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time) {}
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virtual void remove_output(const tx_out& tx_output) {}
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virtual void add_spent_key(const crypto::key_image& k_image) {}
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virtual void remove_spent_key(const crypto::key_image& k_image) {}
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virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const { return true; }
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virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const { return true; }
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virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const { return true; }
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virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const { return true; }
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virtual bool is_read_only() const { return false; }
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virtual void add_block( const block& blk
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, const size_t& block_size
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, const difficulty_type& cumulative_difficulty
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, const uint64_t& coins_generated
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, const crypto::hash& blk_hash
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) {
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blocks.push_back(blk);
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}
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virtual block get_block_from_height(const uint64_t& height) const {
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return blocks[height];
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}
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virtual void set_hard_fork_starting_height(uint8_t version, uint64_t height) {
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starting_height[version] = height;
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}
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virtual uint64_t get_hard_fork_starting_height(uint8_t version) const {
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return starting_height[version];
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}
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virtual void set_hard_fork_version(uint64_t height, uint8_t version) {
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if (versions.size() <= height) versions.resize(height+1); versions[height] = version;
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}
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virtual uint8_t get_hard_fork_version(uint64_t height) const {
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return versions[height];
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}
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private:
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std::vector<block> blocks;
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uint64_t starting_height[256];
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std::deque<uint8_t> versions;
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};
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static cryptonote::block mkblock(uint8_t version)
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{
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cryptonote::block b;
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b.major_version = version;
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b.minor_version = version;
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return b;
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}
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TEST(empty_hardforks, Success)
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{
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TestDB db;
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HardFork hf(db);
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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hf.init();
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ASSERT_TRUE(hf.get_state(time(NULL)) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(time(NULL) + 3600*24*400) == HardFork::Ready);
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for (uint64_t h = 0; h <= 10; ++h) {
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db.add_block(mkblock(1), 0, 0, 0, crypto::hash());
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ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
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}
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ASSERT_EQ(hf.get(0), 1);
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ASSERT_EQ(hf.get(1), 1);
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ASSERT_EQ(hf.get(10), 1);
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}
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TEST(ordering, Success)
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{
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TestDB db;
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HardFork hf(db);
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ASSERT_TRUE(hf.add_fork(2, 2, 1));
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ASSERT_FALSE(hf.add_fork(3, 3, 1));
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ASSERT_FALSE(hf.add_fork(3, 2, 2));
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ASSERT_FALSE(hf.add_fork(2, 3, 2));
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ASSERT_TRUE(hf.add_fork(3, 10, 2));
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ASSERT_TRUE(hf.add_fork(4, 20, 3));
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ASSERT_FALSE(hf.add_fork(5, 5, 4));
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}
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TEST(states, Success)
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{
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TestDB db;
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HardFork hf(db);
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(2, BLOCKS_PER_YEAR, SECONDS_PER_YEAR));
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ASSERT_TRUE(hf.get_state(0) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR / 2) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_UPDATE_TIME / 2) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + (HardFork::DEFAULT_UPDATE_TIME + HardFork::DEFAULT_FORKED_TIME) / 2) == HardFork::UpdateNeeded);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_FORKED_TIME * 2) == HardFork::LikelyForked);
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ASSERT_TRUE(hf.add_fork(3, BLOCKS_PER_YEAR * 5, SECONDS_PER_YEAR * 5));
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ASSERT_TRUE(hf.get_state(0) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR / 2) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_UPDATE_TIME / 2) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + (HardFork::DEFAULT_UPDATE_TIME + HardFork::DEFAULT_FORKED_TIME) / 2) == HardFork::Ready);
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ASSERT_TRUE(hf.get_state(SECONDS_PER_YEAR + HardFork::DEFAULT_FORKED_TIME * 2) == HardFork::Ready);
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}
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TEST(steps_asap, Success)
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{
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TestDB db;
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HardFork hf(db, 1,0,1,1,1);
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// v h t
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(4, 2, 1));
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ASSERT_TRUE(hf.add_fork(7, 4, 2));
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ASSERT_TRUE(hf.add_fork(9, 6, 3));
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hf.init();
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for (uint64_t h = 0; h < 10; ++h) {
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db.add_block(mkblock(9), 0, 0, 0, crypto::hash());
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ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
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}
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ASSERT_EQ(hf.get(0), 1);
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ASSERT_EQ(hf.get(1), 1);
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ASSERT_EQ(hf.get(2), 4);
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ASSERT_EQ(hf.get(3), 4);
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ASSERT_EQ(hf.get(4), 7);
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ASSERT_EQ(hf.get(5), 7);
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ASSERT_EQ(hf.get(6), 9);
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ASSERT_EQ(hf.get(7), 9);
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ASSERT_EQ(hf.get(8), 9);
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ASSERT_EQ(hf.get(9), 9);
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}
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TEST(steps_1, Success)
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{
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TestDB db;
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HardFork hf(db, 1,0,1,1,1);
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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for (int n = 1 ; n < 10; ++n)
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ASSERT_TRUE(hf.add_fork(n+1, n, n));
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hf.init();
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for (uint64_t h = 0 ; h < 10; ++h) {
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db.add_block(mkblock(h+1), 0, 0, 0, crypto::hash());
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ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
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}
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for (uint64_t h = 0; h < 10; ++h) {
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ASSERT_EQ(hf.get(h), std::max(1,(int)h));
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}
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}
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TEST(reorganize, Same)
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{
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for (int history = 1; history <= 12; ++history) {
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TestDB db;
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HardFork hf(db, 1, 0, 1, 1, history, 100);
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// v h t
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(4, 2, 1));
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ASSERT_TRUE(hf.add_fork(7, 4, 2));
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ASSERT_TRUE(hf.add_fork(9, 6, 3));
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hf.init();
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// index 0 1 2 3 4 5 6 7 8 9
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static const uint8_t block_versions[] = { 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
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for (uint64_t h = 0; h < 20; ++h) {
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db.add_block(mkblock(block_versions[h]), 0, 0, 0, crypto::hash());
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ASSERT_TRUE(hf.add(db.get_block_from_height(h), h));
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}
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for (uint64_t rh = 0; rh < 20; ++rh) {
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hf.reorganize_from_block_height(rh);
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for (int hh = 0; hh < 20; ++hh) {
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uint8_t version = hh >= history ? block_versions[hh - history] : 1;
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ASSERT_EQ(hf.get(hh), version);
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}
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ASSERT_EQ(hf.get_start_height(1), 0);
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ASSERT_EQ(hf.get_start_height(4), 2 + history);
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ASSERT_EQ(hf.get_start_height(7), 4 + history);
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ASSERT_EQ(hf.get_start_height(9), 6 + history);
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}
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}
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}
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TEST(reorganize, Changed)
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{
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TestDB db;
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HardFork hf(db, 1, 0, 1, 1, 4, 100);
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// v h t
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(4, 2, 1));
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ASSERT_TRUE(hf.add_fork(7, 4, 2));
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ASSERT_TRUE(hf.add_fork(9, 6, 3));
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hf.init();
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// fork 4 7 9
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// index 0 1 2 3 4 5 6 7 8 9
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static const uint8_t block_versions[] = { 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
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static const uint8_t expected_versions[] = { 1, 1, 1, 1, 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9 };
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for (uint64_t h = 0; h < 16; ++h) {
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db.add_block(mkblock(block_versions[h]), 0, 0, 0, crypto::hash());
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ASSERT_TRUE (hf.add(db.get_block_from_height(h), h));
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}
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for (uint64_t rh = 0; rh < 16; ++rh) {
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hf.reorganize_from_block_height(rh);
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for (int hh = 0; hh < 16; ++hh) {
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ASSERT_EQ(hf.get(hh), expected_versions[hh]);
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}
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ASSERT_EQ(hf.get_start_height(1), 0);
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ASSERT_EQ(hf.get_start_height(4), 6);
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ASSERT_EQ(hf.get_start_height(7), 8);
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ASSERT_EQ(hf.get_start_height(9), 10);
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}
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// delay a bit for 9, and go back to 1 to check it stays at 9
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static const uint8_t block_versions_new[] = { 1, 1, 4, 4, 7, 7, 4, 7, 7, 7, 9, 9, 9, 9, 9, 1 };
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static const uint8_t expected_versions_new[] = { 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 7, 7, 7, 9, 9 };
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for (uint64_t h = 3; h < 16; ++h) {
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db.remove_block();
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}
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ASSERT_EQ(db.height(), 3);
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hf.reorganize_from_block_height(2);
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for (uint64_t h = 3; h < 16; ++h) {
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db.add_block(mkblock(block_versions_new[h]), 0, 0, 0, crypto::hash());
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bool ret = hf.add(db.get_block_from_height(h), h);
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ASSERT_EQ (ret, h < 15);
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}
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db.remove_block(); // last block added to the blockchain, but not hf
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ASSERT_EQ(db.height(), 15);
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for (int hh = 0; hh < 15; ++hh) {
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ASSERT_EQ(hf.get(hh), expected_versions_new[hh]);
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}
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ASSERT_EQ(hf.get_start_height(1), 0);
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ASSERT_EQ(hf.get_start_height(4), 6);
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ASSERT_EQ(hf.get_start_height(7), 11);
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ASSERT_EQ(hf.get_start_height(9), 14);
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}
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TEST(voting, threshold)
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{
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for (int threshold = 87; threshold <= 88; ++threshold) {
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TestDB db;
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HardFork hf(db, 1, 0, 1, 1, 8, threshold);
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// v h t
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(2, 2, 1));
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hf.init();
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for (uint64_t h = 0; h <= 8; ++h) {
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uint8_t v = 1 + !!(h % 8);
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db.add_block(mkblock(v), 0, 0, 0, crypto::hash());
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bool ret = hf.add(db.get_block_from_height(h), h);
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if (h >= 8 && threshold == 87) {
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// for threshold 87, we reach the treshold at height 7, so from height 8, hard fork to version 2, but 8 tries to add 1
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ASSERT_FALSE(ret);
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}
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else {
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// for threshold 88, we never reach the threshold
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ASSERT_TRUE(ret);
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uint8_t expected = threshold == 88 ? 1 : h < 8 ? 1 : 2;
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ASSERT_EQ(hf.get(h), expected);
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}
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}
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}
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}
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TEST(voting, different_thresholds)
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{
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for (int threshold = 87; threshold <= 88; ++threshold) {
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TestDB db;
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HardFork hf(db, 1, 0, 1, 1, 4, 50); // window size 4
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// v h t
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ASSERT_TRUE(hf.add_fork(1, 0, 0));
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ASSERT_TRUE(hf.add_fork(2, 5, 0, 1)); // asap
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ASSERT_TRUE(hf.add_fork(3, 10, 100, 2)); // all votes
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ASSERT_TRUE(hf.add_fork(4, 15, 3)); // default 50% votes
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hf.init();
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// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
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static const uint8_t block_versions[] = { 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4 };
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static const uint8_t expected_versions[] = { 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4 };
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for (uint64_t h = 0; h < sizeof(block_versions) / sizeof(block_versions[0]); ++h) {
|
|
db.add_block(mkblock(block_versions[h]), 0, 0, 0, crypto::hash());
|
|
bool ret = hf.add(db.get_block_from_height(h), h);
|
|
ASSERT_EQ(ret, true);
|
|
}
|
|
for (uint64_t h = 0; h < sizeof(expected_versions) / sizeof(expected_versions[0]); ++h) {
|
|
ASSERT_EQ(hf.get(h), expected_versions[h]);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(new_blocks, denied)
|
|
{
|
|
TestDB db;
|
|
HardFork hf(db, 1, 0, 1, 1, 4, 50);
|
|
|
|
// v h t
|
|
ASSERT_TRUE(hf.add_fork(1, 0, 0));
|
|
ASSERT_TRUE(hf.add_fork(2, 2, 1));
|
|
hf.init();
|
|
|
|
ASSERT_TRUE(hf.add(mkblock(1), 0));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 1));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 2));
|
|
ASSERT_TRUE(hf.add(mkblock(2), 3));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 4));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 5));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 6));
|
|
ASSERT_TRUE(hf.add(mkblock(2), 7));
|
|
ASSERT_TRUE(hf.add(mkblock(2), 8)); // we reach 50% of the last 4
|
|
ASSERT_FALSE(hf.add(mkblock(1), 9)); // so this one can't get added
|
|
ASSERT_TRUE(hf.add(mkblock(2), 10));
|
|
|
|
ASSERT_EQ(hf.get_start_height(2), 9);
|
|
}
|
|
|
|
TEST(new_version, early)
|
|
{
|
|
TestDB db;
|
|
HardFork hf(db, 1, 0, 1, 1, 4, 50);
|
|
|
|
// v h t
|
|
ASSERT_TRUE(hf.add_fork(1, 0, 0));
|
|
ASSERT_TRUE(hf.add_fork(2, 4, 1));
|
|
hf.init();
|
|
|
|
ASSERT_TRUE(hf.add(mkblock(2), 0));
|
|
ASSERT_TRUE(hf.add(mkblock(2), 1)); // we have enough votes already
|
|
ASSERT_TRUE(hf.add(mkblock(2), 2));
|
|
ASSERT_TRUE(hf.add(mkblock(1), 3)); // we accept a previous version because we did not switch, even with all the votes
|
|
ASSERT_TRUE(hf.add(mkblock(2), 4)); // but have to wait for the declared height anyway
|
|
ASSERT_TRUE(hf.add(mkblock(2), 5));
|
|
ASSERT_FALSE(hf.add(mkblock(1), 6)); // we don't accept 1 anymore
|
|
ASSERT_TRUE(hf.add(mkblock(2), 7)); // but we do accept 2
|
|
|
|
ASSERT_EQ(hf.get_start_height(2), 4);
|
|
}
|
|
|
|
TEST(reorganize, changed)
|
|
{
|
|
TestDB db;
|
|
HardFork hf(db, 1, 0, 1, 1, 4, 50);
|
|
|
|
// v h t
|
|
ASSERT_TRUE(hf.add_fork(1, 0, 0));
|
|
ASSERT_TRUE(hf.add_fork(2, 2, 1));
|
|
ASSERT_TRUE(hf.add_fork(3, 5, 2));
|
|
ASSERT_TRUE(hf.add_fork(4, 555, 222));
|
|
hf.init();
|
|
|
|
#define ADD(v, h, a) \
|
|
do { \
|
|
cryptonote::block b = mkblock(v); \
|
|
db.add_block(b, 0, 0, 0, crypto::hash()); \
|
|
ASSERT_##a(hf.add(b, h)); \
|
|
} while(0)
|
|
#define ADD_TRUE(v, h) ADD(v, h, TRUE)
|
|
#define ADD_FALSE(v, h) ADD(v, h, FALSE)
|
|
|
|
ADD_TRUE(1, 0);
|
|
ADD_TRUE(1, 1);
|
|
ADD_TRUE(2, 2);
|
|
ADD_TRUE(2, 3); // switch to 2 here
|
|
ADD_TRUE(2, 4);
|
|
ADD_TRUE(2, 5);
|
|
ADD_TRUE(2, 6);
|
|
ASSERT_EQ(hf.get_current_version(), 2);
|
|
ADD_TRUE(3, 7);
|
|
ADD_TRUE(4, 8);
|
|
ADD_TRUE(4, 9);
|
|
ASSERT_EQ(hf.get_start_height(2), 4); // reaches threshold 2 at height 3, so height 4 forks
|
|
ASSERT_EQ(hf.get_start_height(3), 9);
|
|
ASSERT_EQ(hf.get_current_version(), 3);
|
|
|
|
// pop a few blocks and check current version goes back down
|
|
db.remove_block();
|
|
hf.reorganize_from_block_height(8);
|
|
ASSERT_EQ(hf.get_current_version(), 3);
|
|
db.remove_block();
|
|
hf.reorganize_from_block_height(7);
|
|
ASSERT_EQ(hf.get_current_version(), 2);
|
|
db.remove_block();
|
|
ASSERT_EQ(hf.get_current_version(), 2);
|
|
|
|
// add blocks again, but remaining at 2
|
|
ADD_TRUE(2, 7);
|
|
ADD_TRUE(2, 8);
|
|
ADD_TRUE(2, 9);
|
|
ASSERT_EQ(hf.get_start_height(2), 4); // unchanged
|
|
ASSERT_EQ(hf.get_current_version(), 2); // we did not bump to 3 this time
|
|
ASSERT_EQ(hf.get_start_height(3), std::numeric_limits<uint64_t>::max()); // not yet
|
|
}
|
|
|
|
TEST(get, higher)
|
|
{
|
|
TestDB db;
|
|
HardFork hf(db, 1, 0, 1, 1, 4, 50);
|
|
|
|
// v h t
|
|
ASSERT_TRUE(hf.add_fork(1, 0, 0));
|
|
ASSERT_TRUE(hf.add_fork(2, 2, 1));
|
|
ASSERT_TRUE(hf.add_fork(3, 5, 2));
|
|
hf.init();
|
|
|
|
ASSERT_EQ(hf.get_ideal_version(0), 1);
|
|
ASSERT_EQ(hf.get_ideal_version(1), 1);
|
|
ASSERT_EQ(hf.get_ideal_version(2), 2);
|
|
ASSERT_EQ(hf.get_ideal_version(3), 2);
|
|
ASSERT_EQ(hf.get_ideal_version(4), 2);
|
|
ASSERT_EQ(hf.get_ideal_version(5), 3);
|
|
ASSERT_EQ(hf.get_ideal_version(6), 3);
|
|
ASSERT_EQ(hf.get_ideal_version(7), 3);
|
|
}
|
|
|