diff options
Diffstat (limited to 'src/cryptonote_core')
| -rw-r--r-- | src/cryptonote_core/blockchain.cpp | 96 | ||||
| -rw-r--r-- | src/cryptonote_core/blockchain.h | 13 | ||||
| -rw-r--r-- | src/cryptonote_core/cryptonote_core.cpp | 32 | ||||
| -rw-r--r-- | src/cryptonote_core/cryptonote_core.h | 2 | ||||
| -rw-r--r-- | src/cryptonote_core/tx_pool.cpp | 33 | ||||
| -rw-r--r-- | src/cryptonote_core/tx_pool.h | 8 |
6 files changed, 163 insertions, 21 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 0c94d5dd8..a92711208 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -330,7 +330,7 @@ uint64_t Blockchain::get_current_blockchain_height() const //------------------------------------------------------------------ //FIXME: possibly move this into the constructor, to avoid accidentally // dereferencing a null BlockchainDB pointer -bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline, const cryptonote::test_options *test_options) +bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline, const cryptonote::test_options *test_options, difficulty_type fixed_difficulty) { LOG_PRINT_L3("Blockchain::" << __func__); CRITICAL_REGION_LOCAL(m_tx_pool); @@ -352,6 +352,7 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline m_nettype = test_options != NULL ? FAKECHAIN : nettype; m_offline = offline; + m_fixed_difficulty = fixed_difficulty; if (m_hardfork == nullptr) { if (m_nettype == FAKECHAIN || m_nettype == STAGENET) @@ -795,6 +796,11 @@ bool Blockchain::get_block_by_hash(const crypto::hash &h, block &blk, bool *orph // less blocks than desired if there aren't enough. difficulty_type Blockchain::get_difficulty_for_next_block() { + if (m_fixed_difficulty) + { + return m_db->height() ? m_fixed_difficulty : 1; + } + LOG_PRINT_L3("Blockchain::" << __func__); crypto::hash top_hash = get_tail_id(); @@ -1006,6 +1012,11 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash:: // an alternate chain. difficulty_type Blockchain::get_next_difficulty_for_alternative_chain(const std::list<blocks_ext_by_hash::iterator>& alt_chain, block_extended_info& bei) const { + if (m_fixed_difficulty) + { + return m_db->height() ? m_fixed_difficulty : 1; + } + LOG_PRINT_L3("Blockchain::" << __func__); std::vector<uint64_t> timestamps; std::vector<difficulty_type> cumulative_difficulties; @@ -1985,14 +1996,14 @@ void Blockchain::get_output_key_mask_unlocked(const uint64_t& amount, const uint //------------------------------------------------------------------ bool Blockchain::get_output_distribution(uint64_t amount, uint64_t from_height, uint64_t to_height, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) const { - // rct outputs don't exist before v3 + // rct outputs don't exist before v4 if (amount == 0) { switch (m_nettype) { - case STAGENET: start_height = stagenet_hard_forks[2].height; break; - case TESTNET: start_height = testnet_hard_forks[2].height; break; - case MAINNET: start_height = mainnet_hard_forks[2].height; break; + case STAGENET: start_height = stagenet_hard_forks[3].height; break; + case TESTNET: start_height = testnet_hard_forks[3].height; break; + case MAINNET: start_height = mainnet_hard_forks[3].height; break; default: return false; } } @@ -2000,11 +2011,40 @@ bool Blockchain::get_output_distribution(uint64_t amount, uint64_t from_height, start_height = 0; base = 0; + if (to_height > 0 && to_height < from_height) + return false; + const uint64_t real_start_height = start_height; if (from_height > start_height) start_height = from_height; - return m_db->get_output_distribution(amount, start_height, to_height, distribution, base); + distribution.clear(); + uint64_t db_height = m_db->height(); + if (db_height == 0) + return false; + if (to_height == 0) + to_height = db_height - 1; + if (start_height >= db_height || to_height >= db_height) + return false; + if (amount == 0) + { + std::vector<uint64_t> heights; + heights.reserve(to_height + 1 - start_height); + uint64_t real_start_height = start_height > 0 ? start_height-1 : start_height; + for (uint64_t h = real_start_height; h <= to_height; ++h) + heights.push_back(h); + distribution = m_db->get_block_cumulative_rct_outputs(heights); + if (start_height > 0) + { + base = distribution[0]; + distribution.erase(distribution.begin()); + } + return true; + } + else + { + return m_db->get_output_distribution(amount, start_height, to_height, distribution, base); + } } //------------------------------------------------------------------ // This function takes a list of block hashes from another node @@ -4407,6 +4447,39 @@ HardFork::State Blockchain::get_hard_fork_state() const return m_hardfork->get_state(); } +const std::vector<HardFork::Params>& Blockchain::get_hard_fork_heights(network_type nettype) +{ + static const std::vector<HardFork::Params> mainnet_heights = []() + { + std::vector<HardFork::Params> heights; + for (const auto& i : mainnet_hard_forks) + heights.emplace_back(i.version, i.height, i.threshold, i.time); + return heights; + }(); + static const std::vector<HardFork::Params> testnet_heights = []() + { + std::vector<HardFork::Params> heights; + for (const auto& i : testnet_hard_forks) + heights.emplace_back(i.version, i.height, i.threshold, i.time); + return heights; + }(); + static const std::vector<HardFork::Params> stagenet_heights = []() + { + std::vector<HardFork::Params> heights; + for (const auto& i : stagenet_hard_forks) + heights.emplace_back(i.version, i.height, i.threshold, i.time); + return heights; + }(); + static const std::vector<HardFork::Params> dummy; + switch (nettype) + { + case MAINNET: return mainnet_heights; + case TESTNET: return testnet_heights; + case STAGENET: return stagenet_heights; + default: return dummy; + } +} + bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const { return m_hardfork->get_voting_info(version, window, votes, threshold, earliest_height, voting); @@ -4422,9 +4495,9 @@ std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> Blockchain:: get_ou return m_db->get_output_histogram(amounts, unlocked, recent_cutoff, min_count); } -std::list<std::pair<Blockchain::block_extended_info,uint64_t>> Blockchain::get_alternative_chains() const +std::list<std::pair<Blockchain::block_extended_info,std::vector<crypto::hash>>> Blockchain::get_alternative_chains() const { - std::list<std::pair<Blockchain::block_extended_info,uint64_t>> chains; + std::list<std::pair<Blockchain::block_extended_info,std::vector<crypto::hash>>> chains; for (const auto &i: m_alternative_chains) { @@ -4440,15 +4513,16 @@ std::list<std::pair<Blockchain::block_extended_info,uint64_t>> Blockchain::get_a } if (!found) { - uint64_t length = 1; + std::vector<crypto::hash> chain; auto h = i.second.bl.prev_id; + chain.push_back(top); blocks_ext_by_hash::const_iterator prev; while ((prev = m_alternative_chains.find(h)) != m_alternative_chains.end()) { + chain.push_back(h); h = prev->second.bl.prev_id; - ++length; } - chains.push_back(std::make_pair(i.second, length)); + chains.push_back(std::make_pair(i.second, chain)); } } return chains; diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h index 36d6b8609..d95c8ed15 100644 --- a/src/cryptonote_core/blockchain.h +++ b/src/cryptonote_core/blockchain.h @@ -114,10 +114,11 @@ namespace cryptonote * @param nettype network type * @param offline true if running offline, else false * @param test_options test parameters + * @param fixed_difficulty fixed difficulty for testing purposes; 0 means disabled * * @return true on success, false if any initialization steps fail */ - bool init(BlockchainDB* db, const network_type nettype = MAINNET, bool offline = false, const cryptonote::test_options *test_options = NULL); + bool init(BlockchainDB* db, const network_type nettype = MAINNET, bool offline = false, const cryptonote::test_options *test_options = NULL, difficulty_type fixed_difficulty = 0); /** * @brief Initialize the Blockchain state @@ -755,6 +756,13 @@ namespace cryptonote HardFork::State get_hard_fork_state() const; /** + * @brief gets the hardfork heights of given network + * + * @return the HardFork object + */ + static const std::vector<HardFork::Params>& get_hard_fork_heights(network_type nettype); + + /** * @brief gets the current hardfork version in use/voted for * * @return the version @@ -939,7 +947,7 @@ namespace cryptonote * * @return a list of chains */ - std::list<std::pair<block_extended_info,uint64_t>> get_alternative_chains() const; + std::list<std::pair<block_extended_info,std::vector<crypto::hash>>> get_alternative_chains() const; void add_txpool_tx(transaction &tx, const txpool_tx_meta_t &meta); void update_txpool_tx(const crypto::hash &txid, const txpool_tx_meta_t &meta); @@ -1040,6 +1048,7 @@ namespace cryptonote network_type m_nettype; bool m_offline; + difficulty_type m_fixed_difficulty; std::atomic<bool> m_cancel; diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp index 910bf0c1f..18490c65e 100644 --- a/src/cryptonote_core/cryptonote_core.cpp +++ b/src/cryptonote_core/cryptonote_core.cpp @@ -76,6 +76,16 @@ namespace cryptonote , "Run on stagenet. The wallet must be launched with --stagenet flag." , false }; + const command_line::arg_descriptor<bool> arg_regtest_on = { + "regtest" + , "Run in a regression testing mode." + , false + }; + const command_line::arg_descriptor<difficulty_type> arg_fixed_difficulty = { + "fixed-difficulty" + , "Fixed difficulty used for testing." + , 0 + }; const command_line::arg_descriptor<std::string, false, true, 2> arg_data_dir = { "data-dir" , "Specify data directory" @@ -251,6 +261,8 @@ namespace cryptonote command_line::add_arg(desc, arg_testnet_on); command_line::add_arg(desc, arg_stagenet_on); + command_line::add_arg(desc, arg_regtest_on); + command_line::add_arg(desc, arg_fixed_difficulty); command_line::add_arg(desc, arg_dns_checkpoints); command_line::add_arg(desc, arg_prep_blocks_threads); command_line::add_arg(desc, arg_fast_block_sync); @@ -373,7 +385,8 @@ namespace cryptonote { start_time = std::time(nullptr); - if (test_options != NULL) + const bool regtest = command_line::get_arg(vm, arg_regtest_on); + if (test_options != NULL || regtest) { m_nettype = FAKECHAIN; } @@ -430,6 +443,16 @@ namespace cryptonote blockchain_db_sync_mode sync_mode = db_defaultsync; uint64_t blocks_per_sync = 1; + if (m_nettype == FAKECHAIN) + { + // reset the db by removing the database file before opening it + if (!db->remove_data_file(filename)) + { + MERROR("Failed to remove data file in " << filename); + return false; + } + } + try { uint64_t db_flags = 0; @@ -507,7 +530,12 @@ namespace cryptonote m_blockchain_storage.set_user_options(blocks_threads, blocks_per_sync, sync_mode, fast_sync); - r = m_blockchain_storage.init(db.release(), m_nettype, m_offline, test_options); + const std::pair<uint8_t, uint64_t> regtest_hard_forks[3] = {std::make_pair(1, 0), std::make_pair(Blockchain::get_hard_fork_heights(MAINNET).back().version, 1), std::make_pair(0, 0)}; + const cryptonote::test_options regtest_test_options = { + regtest_hard_forks + }; + const difficulty_type fixed_difficulty = command_line::get_arg(vm, arg_fixed_difficulty); + r = m_blockchain_storage.init(db.release(), m_nettype, m_offline, regtest ? ®test_test_options : test_options, fixed_difficulty); r = m_mempool.init(max_txpool_size); CHECK_AND_ASSERT_MES(r, false, "Failed to initialize memory pool"); diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h index 03000383e..84e1bb918 100644 --- a/src/cryptonote_core/cryptonote_core.h +++ b/src/cryptonote_core/cryptonote_core.h @@ -60,6 +60,8 @@ namespace cryptonote extern const command_line::arg_descriptor<std::string, false, true, 2> arg_data_dir; extern const command_line::arg_descriptor<bool, false> arg_testnet_on; extern const command_line::arg_descriptor<bool, false> arg_stagenet_on; + extern const command_line::arg_descriptor<bool, false> arg_regtest_on; + extern const command_line::arg_descriptor<difficulty_type> arg_fixed_difficulty; extern const command_line::arg_descriptor<bool> arg_offline; /************************************************************************/ diff --git a/src/cryptonote_core/tx_pool.cpp b/src/cryptonote_core/tx_pool.cpp index 8dee2b922..eac0f1f57 100644 --- a/src/cryptonote_core/tx_pool.cpp +++ b/src/cryptonote_core/tx_pool.cpp @@ -220,7 +220,7 @@ namespace cryptonote crypto::hash max_used_block_id = null_hash; uint64_t max_used_block_height = 0; cryptonote::txpool_tx_meta_t meta; - bool ch_inp_res = m_blockchain.check_tx_inputs(tx, max_used_block_height, max_used_block_id, tvc, kept_by_block); + bool ch_inp_res = check_tx_inputs([&tx]()->cryptonote::transaction&{ return tx; }, id, max_used_block_height, max_used_block_id, tvc, kept_by_block); if(!ch_inp_res) { // if the transaction was valid before (kept_by_block), then it @@ -893,11 +893,15 @@ namespace cryptonote //--------------------------------------------------------------------------------- bool tx_memory_pool::on_blockchain_inc(uint64_t new_block_height, const crypto::hash& top_block_id) { + CRITICAL_REGION_LOCAL(m_transactions_lock); + m_input_cache.clear(); return true; } //--------------------------------------------------------------------------------- bool tx_memory_pool::on_blockchain_dec(uint64_t new_block_height, const crypto::hash& top_block_id) { + CRITICAL_REGION_LOCAL(m_transactions_lock); + m_input_cache.clear(); return true; } //--------------------------------------------------------------------------------- @@ -937,7 +941,26 @@ namespace cryptonote m_transactions_lock.unlock(); } //--------------------------------------------------------------------------------- - bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const cryptonote::blobdata &txblob, transaction &tx) const + bool tx_memory_pool::check_tx_inputs(const std::function<cryptonote::transaction&(void)> &get_tx, const crypto::hash &txid, uint64_t &max_used_block_height, crypto::hash &max_used_block_id, tx_verification_context &tvc, bool kept_by_block) const + { + if (!kept_by_block) + { + const std::unordered_map<crypto::hash, std::tuple<bool, tx_verification_context, uint64_t, crypto::hash>>::const_iterator i = m_input_cache.find(txid); + if (i != m_input_cache.end()) + { + max_used_block_height = std::get<2>(i->second); + max_used_block_id = std::get<3>(i->second); + tvc = std::get<1>(i->second); + return std::get<0>(i->second); + } + } + bool ret = m_blockchain.check_tx_inputs(get_tx(), max_used_block_height, max_used_block_id, tvc, kept_by_block); + if (!kept_by_block) + m_input_cache.insert(std::make_pair(txid, std::make_tuple(ret, tvc, max_used_block_height, max_used_block_id))); + return ret; + } + //--------------------------------------------------------------------------------- + bool tx_memory_pool::is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata &txblob, transaction &tx) const { struct transction_parser { @@ -966,7 +989,7 @@ namespace cryptonote return false;//we already sure that this tx is broken for this height tx_verification_context tvc; - if(!m_blockchain.check_tx_inputs(lazy_tx(), txd.max_used_block_height, txd.max_used_block_id, tvc)) + if(!check_tx_inputs([&lazy_tx]()->cryptonote::transaction&{ return lazy_tx(); }, txid, txd.max_used_block_height, txd.max_used_block_id, tvc)) { txd.last_failed_height = m_blockchain.get_current_blockchain_height()-1; txd.last_failed_id = m_blockchain.get_block_id_by_height(txd.last_failed_height); @@ -983,7 +1006,7 @@ namespace cryptonote return false; //check ring signature again, it is possible (with very small chance) that this transaction become again valid tx_verification_context tvc; - if(!m_blockchain.check_tx_inputs(lazy_tx(), txd.max_used_block_height, txd.max_used_block_id, tvc)) + if(!check_tx_inputs([&lazy_tx]()->cryptonote::transaction&{ return lazy_tx(); }, txid, txd.max_used_block_height, txd.max_used_block_id, tvc)) { txd.last_failed_height = m_blockchain.get_current_blockchain_height()-1; txd.last_failed_id = m_blockchain.get_block_id_by_height(txd.last_failed_height); @@ -1176,7 +1199,7 @@ namespace cryptonote bool ready = false; try { - ready = is_transaction_ready_to_go(meta, txblob, tx); + ready = is_transaction_ready_to_go(meta, sorted_it->second, txblob, tx); } catch (const std::exception &e) { diff --git a/src/cryptonote_core/tx_pool.h b/src/cryptonote_core/tx_pool.h index 5ccb71196..4ade7ddbe 100644 --- a/src/cryptonote_core/tx_pool.h +++ b/src/cryptonote_core/tx_pool.h @@ -499,12 +499,13 @@ namespace cryptonote * @brief check if a transaction is a valid candidate for inclusion in a block * * @param txd the transaction to check (and info about it) + * @param txid the txid of the transaction to check * @param txblob the transaction blob to check * @param tx the parsed transaction, if successful * * @return true if the transaction is good to go, otherwise false */ - bool is_transaction_ready_to_go(txpool_tx_meta_t& txd, const cryptonote::blobdata &txblob, transaction &tx) const; + bool is_transaction_ready_to_go(txpool_tx_meta_t& txd, const crypto::hash &txid, const cryptonote::blobdata &txblob, transaction &tx) const; /** * @brief mark all transactions double spending the one passed @@ -557,6 +558,9 @@ private: */ sorted_tx_container::iterator find_tx_in_sorted_container(const crypto::hash& id) const; + //! cache/call Blockchain::check_tx_inputs results + bool check_tx_inputs(const std::function<cryptonote::transaction&(void)> &get_tx, const crypto::hash &txid, uint64_t &max_used_block_height, crypto::hash &max_used_block_id, tx_verification_context &tvc, bool kept_by_block = false) const; + //! transactions which are unlikely to be included in blocks /*! These transactions are kept in RAM in case they *are* included * in a block eventually, but this container is not saved to disk. @@ -567,6 +571,8 @@ private: size_t m_txpool_max_size; size_t m_txpool_size; + + mutable std::unordered_map<crypto::hash, std::tuple<bool, tx_verification_context, uint64_t, crypto::hash>> m_input_cache; }; } |