diff options
25 files changed, 1117 insertions, 64 deletions
diff --git a/src/blockchain_db/blockchain_db.cpp b/src/blockchain_db/blockchain_db.cpp index d3eefef6e..041759593 100644 --- a/src/blockchain_db/blockchain_db.cpp +++ b/src/blockchain_db/blockchain_db.cpp @@ -197,6 +197,7 @@ void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const transacti uint64_t BlockchainDB::add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , const std::vector<transaction>& txs @@ -241,7 +242,7 @@ uint64_t BlockchainDB::add_block( const block& blk // call out to subclass implementation to add the block & metadata time1 = epee::misc_utils::get_tick_count(); - add_block(blk, block_weight, cumulative_difficulty, coins_generated, num_rct_outs, blk_hash); + add_block(blk, block_weight, long_term_block_weight, cumulative_difficulty, coins_generated, num_rct_outs, blk_hash); TIME_MEASURE_FINISH(time1); time_add_block1 += time1; diff --git a/src/blockchain_db/blockchain_db.h b/src/blockchain_db/blockchain_db.h index 137d5958a..c3f11ba28 100644 --- a/src/blockchain_db/blockchain_db.h +++ b/src/blockchain_db/blockchain_db.h @@ -358,12 +358,14 @@ private: * * @param blk the block to be added * @param block_weight the weight of the block (transactions and all) + * @param long_term_block_weight the long term block weight of the block (transactions and all) * @param cumulative_difficulty the accumulated difficulty after this block * @param coins_generated the number of coins generated total after this block * @param blk_hash the hash of the block */ virtual void add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , uint64_t num_rct_outs @@ -375,7 +377,7 @@ private: * * The subclass implementing this will remove the block data from the top * block in the chain. The data to be removed is that which was added in - * BlockchainDB::add_block(const block& blk, size_t block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const crypto::hash& blk_hash) + * BlockchainDB::add_block(const block& blk, size_t block_weight, uint64_t long_term_block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const crypto::hash& blk_hash) * * If any of this cannot be done, the subclass should throw the corresponding * subclass of DB_EXCEPTION @@ -789,6 +791,7 @@ public: * * @param blk the block to be added * @param block_weight the size of the block (transactions and all) + * @param long_term_block_weight the long term weight of the block (transactions and all) * @param cumulative_difficulty the accumulated difficulty after this block * @param coins_generated the number of coins generated total after this block * @param txs the transactions in the block @@ -797,6 +800,7 @@ public: */ virtual uint64_t add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , const std::vector<transaction>& txs @@ -985,6 +989,17 @@ public: virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const = 0; /** + * @brief fetch a block's long term weight + * + * If the block does not exist, the subclass should throw BLOCK_DNE + * + * @param height the height requested + * + * @return the long term weight + */ + virtual uint64_t get_block_long_term_weight(const uint64_t& height) const = 0; + + /** * @brief fetch a block's hash * * The subclass should return hash of the block with the diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index 8a1303be9..00912a447 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -29,6 +29,7 @@ #include <boost/filesystem.hpp> #include <boost/format.hpp> +#include <boost/circular_buffer.hpp> #include <memory> // std::unique_ptr #include <cstring> // memcpy @@ -53,7 +54,7 @@ using epee::string_tools::pod_to_hex; using namespace crypto; // Increase when the DB structure changes -#define VERSION 3 +#define VERSION 4 namespace { @@ -277,7 +278,7 @@ typedef struct mdb_block_info_old crypto::hash bi_hash; } mdb_block_info_old; -typedef struct mdb_block_info +typedef struct mdb_block_info_2 { uint64_t bi_height; uint64_t bi_timestamp; @@ -286,7 +287,21 @@ typedef struct mdb_block_info difficulty_type bi_diff; crypto::hash bi_hash; uint64_t bi_cum_rct; -} mdb_block_info; +} mdb_block_info_2; + +typedef struct mdb_block_info_3 +{ + uint64_t bi_height; + uint64_t bi_timestamp; + uint64_t bi_coins; + uint64_t bi_weight; // a size_t really but we need 32-bit compat + difficulty_type bi_diff; + crypto::hash bi_hash; + uint64_t bi_cum_rct; + uint64_t bi_long_term_block_weight; +} mdb_block_info_3; + +typedef mdb_block_info_3 mdb_block_info; typedef struct blk_height { crypto::hash bh_hash; @@ -694,7 +709,7 @@ estim: return threshold_size; } -void BlockchainLMDB::add_block(const block& blk, size_t block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, +void BlockchainLMDB::add_block(const block& blk, size_t block_weight, uint64_t long_term_block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, uint64_t num_rct_outs, const crypto::hash& blk_hash) { LOG_PRINT_L3("BlockchainLMDB::" << __func__); @@ -754,6 +769,7 @@ void BlockchainLMDB::add_block(const block& blk, size_t block_weight, const diff const mdb_block_info *bi_prev = (const mdb_block_info*)h.mv_data; bi.bi_cum_rct += bi_prev->bi_cum_rct; } + bi.bi_long_term_block_weight = long_term_block_weight; MDB_val_set(val, bi); result = mdb_cursor_put(m_cur_block_info, (MDB_val *)&zerokval, &val, MDB_APPENDDUP); @@ -2486,6 +2502,29 @@ uint64_t BlockchainLMDB::get_block_already_generated_coins(const uint64_t& heigh return ret; } +uint64_t BlockchainLMDB::get_block_long_term_weight(const uint64_t& height) const +{ + LOG_PRINT_L3("BlockchainLMDB::" << __func__); + check_open(); + + TXN_PREFIX_RDONLY(); + RCURSOR(block_info); + + MDB_val_set(result, height); + auto get_result = mdb_cursor_get(m_cur_block_info, (MDB_val *)&zerokval, &result, MDB_GET_BOTH); + if (get_result == MDB_NOTFOUND) + { + throw0(BLOCK_DNE(std::string("Attempt to get block long term weight from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block info not in db").c_str())); + } + else if (get_result) + throw0(DB_ERROR("Error attempting to retrieve a long term block weight from the db")); + + mdb_block_info *bi = (mdb_block_info *)result.mv_data; + uint64_t ret = bi->bi_long_term_block_weight; + TXN_POSTFIX_RDONLY(); + return ret; +} + crypto::hash BlockchainLMDB::get_block_hash_from_height(const uint64_t& height) const { LOG_PRINT_L3("BlockchainLMDB::" << __func__); @@ -3524,7 +3563,7 @@ void BlockchainLMDB::block_txn_abort() } } -uint64_t BlockchainLMDB::add_block(const block& blk, size_t block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, +uint64_t BlockchainLMDB::add_block(const block& blk, size_t block_weight, uint64_t long_term_block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const std::vector<transaction>& txs) { LOG_PRINT_L3("BlockchainLMDB::" << __func__); @@ -3543,7 +3582,7 @@ uint64_t BlockchainLMDB::add_block(const block& blk, size_t block_weight, const try { - BlockchainDB::add_block(blk, block_weight, cumulative_difficulty, coins_generated, txs); + BlockchainDB::add_block(blk, block_weight, long_term_block_weight, cumulative_difficulty, coins_generated, txs); } catch (const DB_ERROR_TXN_START& e) { @@ -4768,6 +4807,166 @@ void BlockchainLMDB::migrate_2_3() txn.commit(); } +void BlockchainLMDB::migrate_3_4() +{ + LOG_PRINT_L3("BlockchainLMDB::" << __func__); + uint64_t i; + int result; + mdb_txn_safe txn(false); + MDB_val k, v; + char *ptr; + bool past_long_term_weight = false; + + MGINFO_YELLOW("Migrating blockchain from DB version 3 to 4 - this may take a while:"); + + do { + LOG_PRINT_L1("migrating block info:"); + + result = mdb_txn_begin(m_env, NULL, 0, txn); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); + + MDB_stat db_stats; + if ((result = mdb_stat(txn, m_blocks, &db_stats))) + throw0(DB_ERROR(lmdb_error("Failed to query m_blocks: ", result).c_str())); + const uint64_t blockchain_height = db_stats.ms_entries; + + boost::circular_buffer<uint64_t> long_term_block_weights(CRYPTONOTE_LONG_TERM_BLOCK_WEIGHT_WINDOW_SIZE); + + /* the block_info table name is the same but the old version and new version + * have incompatible data. Create a new table. We want the name to be similar + * to the old name so that it will occupy the same location in the DB. + */ + MDB_dbi o_block_info = m_block_info; + lmdb_db_open(txn, "block_infn", MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_block_info, "Failed to open db handle for block_infn"); + mdb_set_dupsort(txn, m_block_info, compare_uint64); + + + MDB_cursor *c_blocks; + result = mdb_cursor_open(txn, m_blocks, &c_blocks); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to open a cursor for blocks: ", result).c_str())); + + MDB_cursor *c_old, *c_cur; + i = 0; + while(1) { + if (!(i % 1000)) { + if (i) { + LOGIF(el::Level::Info) { + std::cout << i << " / " << blockchain_height << " \r" << std::flush; + } + txn.commit(); + result = mdb_txn_begin(m_env, NULL, 0, txn); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); + } + result = mdb_cursor_open(txn, m_block_info, &c_cur); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_infn: ", result).c_str())); + result = mdb_cursor_open(txn, o_block_info, &c_old); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_info: ", result).c_str())); + result = mdb_cursor_open(txn, m_blocks, &c_blocks); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to open a cursor for blocks: ", result).c_str())); + if (!i) { + MDB_stat db_stat; + result = mdb_stat(txn, m_block_info, &db_stats); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to query m_block_info: ", result).c_str())); + i = db_stats.ms_entries; + } + } + result = mdb_cursor_get(c_old, &k, &v, MDB_NEXT); + if (result == MDB_NOTFOUND) { + txn.commit(); + break; + } + else if (result) + throw0(DB_ERROR(lmdb_error("Failed to get a record from block_info: ", result).c_str())); + const mdb_block_info_2 *bi_old = (const mdb_block_info_2*)v.mv_data; + mdb_block_info_3 bi; + bi.bi_height = bi_old->bi_height; + bi.bi_timestamp = bi_old->bi_timestamp; + bi.bi_coins = bi_old->bi_coins; + bi.bi_weight = bi_old->bi_weight; + bi.bi_diff = bi_old->bi_diff; + bi.bi_hash = bi_old->bi_hash; + bi.bi_cum_rct = bi_old->bi_cum_rct; + + // get block major version to determine which rule is in place + if (!past_long_term_weight) + { + MDB_val_copy<uint64_t> kb(bi.bi_height); + MDB_val vb; + result = mdb_cursor_get(c_blocks, &kb, &vb, MDB_SET); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to query m_blocks: ", result).c_str())); + if (vb.mv_size == 0) + throw0(DB_ERROR("Invalid data from m_blocks")); + const uint8_t block_major_version = *((const uint8_t*)vb.mv_data); + if (block_major_version >= HF_VERSION_LONG_TERM_BLOCK_WEIGHT) + past_long_term_weight = true; + } + + uint64_t long_term_block_weight; + if (past_long_term_weight) + { + std::vector<uint64_t> weights(long_term_block_weights.begin(), long_term_block_weights.end()); + uint64_t long_term_effective_block_median_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, epee::misc_utils::median(weights)); + long_term_block_weight = std::min<uint64_t>(bi.bi_weight, long_term_effective_block_median_weight + long_term_effective_block_median_weight * 2 / 5); + } + else + { + long_term_block_weight = bi.bi_weight; + } + long_term_block_weights.push_back(long_term_block_weight); + bi.bi_long_term_block_weight = long_term_block_weight; + + MDB_val_set(nv, bi); + result = mdb_cursor_put(c_cur, (MDB_val *)&zerokval, &nv, MDB_APPENDDUP); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to put a record into block_infn: ", result).c_str())); + /* we delete the old records immediately, so the overall DB and mapsize should not grow. + * This is a little slower than just letting mdb_drop() delete it all at the end, but + * it saves a significant amount of disk space. + */ + result = mdb_cursor_del(c_old, 0); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to delete a record from block_info: ", result).c_str())); + i++; + } + + result = mdb_txn_begin(m_env, NULL, 0, txn); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); + /* Delete the old table */ + result = mdb_drop(txn, o_block_info, 1); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to delete old block_info table: ", result).c_str())); + + RENAME_DB("block_infn"); + mdb_dbi_close(m_env, m_block_info); + + lmdb_db_open(txn, "block_info", MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_block_info, "Failed to open db handle for block_infn"); + mdb_set_dupsort(txn, m_block_info, compare_uint64); + + txn.commit(); + } while(0); + + uint32_t version = 4; + v.mv_data = (void *)&version; + v.mv_size = sizeof(version); + MDB_val_str(vk, "version"); + result = mdb_txn_begin(m_env, NULL, 0, txn); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); + result = mdb_put(txn, m_properties, &vk, &v, 0); + if (result) + throw0(DB_ERROR(lmdb_error("Failed to update version for the db: ", result).c_str())); + txn.commit(); +} + void BlockchainLMDB::migrate(const uint32_t oldversion) { if (oldversion < 1) @@ -4776,6 +4975,8 @@ void BlockchainLMDB::migrate(const uint32_t oldversion) migrate_1_2(); if (oldversion < 3) migrate_2_3(); + if (oldversion < 4) + migrate_3_4(); } } // namespace cryptonote diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h index c07ab8da5..5764f9ae4 100644 --- a/src/blockchain_db/lmdb/db_lmdb.h +++ b/src/blockchain_db/lmdb/db_lmdb.h @@ -225,6 +225,8 @@ public: virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const; + virtual uint64_t get_block_long_term_weight(const uint64_t& height) const; + virtual crypto::hash get_block_hash_from_height(const uint64_t& height) const; virtual std::vector<block> get_blocks_range(const uint64_t& h1, const uint64_t& h2) const; @@ -292,6 +294,7 @@ public: virtual uint64_t add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , const std::vector<transaction>& txs @@ -341,6 +344,7 @@ private: virtual void add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , uint64_t num_rct_outs @@ -405,6 +409,9 @@ private: // migrate from DB version 2 to 3 void migrate_2_3(); + // migrate from DB version 3 to 4 + void migrate_3_4(); + void cleanup_batch(); private: diff --git a/tests/unit_tests/testdb.h b/src/blockchain_db/testdb.h index 8f5cf70e8..35dfbe673 100644 --- a/tests/unit_tests/testdb.h +++ b/src/blockchain_db/testdb.h @@ -33,9 +33,11 @@ #include <string> #include <vector> #include <map> -#include "gtest/gtest.h" -#include "blockchain_db/blockchain_db.h" +#include "blockchain_db.h" + +namespace cryptonote +{ class BaseTestDB: public cryptonote::BlockchainDB { public: @@ -73,6 +75,7 @@ public: virtual cryptonote::difficulty_type get_block_cumulative_difficulty(const uint64_t& height) const { return 10; } virtual cryptonote::difficulty_type get_block_difficulty(const uint64_t& height) const { return 0; } virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const { return 10000000000; } + virtual uint64_t get_block_long_term_weight(const uint64_t& height) const { return 128; } virtual crypto::hash get_block_hash_from_height(const uint64_t& height) const { return crypto::hash(); } virtual std::vector<cryptonote::block> get_blocks_range(const uint64_t& h1, const uint64_t& h2) const { return std::vector<cryptonote::block>(); } virtual std::vector<crypto::hash> get_hashes_range(const uint64_t& h1, const uint64_t& h2) const { return std::vector<crypto::hash>(); } @@ -128,6 +131,7 @@ public: 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 @@ -145,3 +149,4 @@ public: virtual void prune_outputs(uint64_t amount) {} }; +} diff --git a/src/blockchain_utilities/blockchain_import.cpp b/src/blockchain_utilities/blockchain_import.cpp index 2a8a6f494..e6ec20c3b 100644 --- a/src/blockchain_utilities/blockchain_import.cpp +++ b/src/blockchain_utilities/blockchain_import.cpp @@ -485,7 +485,8 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path try { - core.get_blockchain_storage().get_db().add_block(b, block_weight, cumulative_difficulty, coins_generated, txs); + uint64_t long_term_block_weight = core.get_blockchain_storage().get_next_long_term_block_weight(block_weight); + core.get_blockchain_storage().get_db().add_block(b, block_weight, long_term_block_weight, cumulative_difficulty, coins_generated, txs); } catch (const std::exception& e) { diff --git a/src/cryptonote_config.h b/src/cryptonote_config.h index 93db71705..d6edb23c2 100644 --- a/src/cryptonote_config.h +++ b/src/cryptonote_config.h @@ -59,6 +59,8 @@ #define CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 60000 //size of block (bytes) after which reward for block calculated using block size #define CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V1 20000 //size of block (bytes) after which reward for block calculated using block size - before first fork #define CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 300000 //size of block (bytes) after which reward for block calculated using block size - second change, from v5 +#define CRYPTONOTE_LONG_TERM_BLOCK_WEIGHT_WINDOW_SIZE 100000 // size in blocks of the long term block weight median window +#define CRYPTONOTE_SHORT_TERM_BLOCK_WEIGHT_SURGE_FACTOR 50 #define CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE 600 #define CRYPTONOTE_DISPLAY_DECIMAL_POINT 12 // COIN - number of smallest units in one coin @@ -143,6 +145,7 @@ #define HF_VERSION_ENFORCE_RCT 6 #define HF_VERSION_PER_BYTE_FEE 8 #define HF_VERSION_SMALLER_BP 10 +#define HF_VERSION_LONG_TERM_BLOCK_WEIGHT 10 #define PER_KB_FEE_QUANTIZATION_DECIMALS 8 diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 41357e72e..8b295e304 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -166,6 +166,8 @@ static const struct { Blockchain::Blockchain(tx_memory_pool& tx_pool) : m_db(), m_tx_pool(tx_pool), m_hardfork(NULL), m_timestamps_and_difficulties_height(0), m_current_block_cumul_weight_limit(0), m_current_block_cumul_weight_median(0), m_enforce_dns_checkpoints(false), m_max_prepare_blocks_threads(4), m_db_sync_on_blocks(true), m_db_sync_threshold(1), m_db_sync_mode(db_async), m_db_default_sync(false), m_fast_sync(true), m_show_time_stats(false), m_sync_counter(0), m_bytes_to_sync(0), m_cancel(false), + m_long_term_block_weights_window(CRYPTONOTE_LONG_TERM_BLOCK_WEIGHT_WINDOW_SIZE), + m_long_term_effective_median_block_weight(0), m_difficulty_for_next_block_top_hash(crypto::null_hash), m_difficulty_for_next_block(1), m_btc_valid(false) @@ -500,7 +502,11 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline m_tx_pool.on_blockchain_dec(m_db->height()-1, get_tail_id()); } - update_next_cumulative_weight_limit(); + if (test_options && test_options->long_term_block_weight_window) + m_long_term_block_weights_window = test_options->long_term_block_weight_window; + + if (!update_next_cumulative_weight_limit()) + return false; return true; } //------------------------------------------------------------------ @@ -685,7 +691,7 @@ block Blockchain::pop_block_from_blockchain() m_blocks_txs_check.clear(); m_check_txin_table.clear(); - update_next_cumulative_weight_limit(); + CHECK_AND_ASSERT_THROW_MES(update_next_cumulative_weight_limit(), "Error updating next cumulative weight limit"); m_tx_pool.on_blockchain_dec(m_db->height()-1, get_tail_id()); invalidate_block_template_cache(); @@ -704,7 +710,8 @@ bool Blockchain::reset_and_set_genesis_block(const block& b) block_verification_context bvc = boost::value_initialized<block_verification_context>(); add_new_block(b, bvc); - update_next_cumulative_weight_limit(); + if (!update_next_cumulative_weight_limit()) + return false; return bvc.m_added_to_main_chain && !bvc.m_verifivation_failed; } //------------------------------------------------------------------ @@ -1202,7 +1209,7 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl } } - std::vector<size_t> last_blocks_weights; + std::vector<uint64_t> last_blocks_weights; get_last_n_blocks_weights(last_blocks_weights, CRYPTONOTE_REWARD_BLOCKS_WINDOW); if (!get_block_reward(epee::misc_utils::median(last_blocks_weights), cumulative_block_weight, already_generated_coins, base_reward, version)) { @@ -1237,7 +1244,7 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl } //------------------------------------------------------------------ // get the block weights of the last <count> blocks, and return by reference <sz>. -void Blockchain::get_last_n_blocks_weights(std::vector<size_t>& weights, size_t count) const +void Blockchain::get_last_n_blocks_weights(std::vector<uint64_t>& weights, size_t count) const { LOG_PRINT_L3("Blockchain::" << __func__); CRITICAL_REGION_LOCAL(m_blockchain_lock); @@ -3083,6 +3090,7 @@ uint64_t Blockchain::get_dynamic_base_fee(uint64_t block_reward, size_t median_b bool Blockchain::check_fee(size_t tx_weight, uint64_t fee) const { const uint8_t version = get_current_hard_fork_version(); + const uint64_t blockchain_height = m_db->height(); uint64_t median = 0; uint64_t already_generated_coins = 0; @@ -3090,7 +3098,7 @@ bool Blockchain::check_fee(size_t tx_weight, uint64_t fee) const if (version >= HF_VERSION_DYNAMIC_FEE) { median = m_current_block_cumul_weight_limit / 2; - already_generated_coins = m_db->height() ? m_db->get_block_already_generated_coins(m_db->height() - 1) : 0; + already_generated_coins = blockchain_height ? m_db->get_block_already_generated_coins(blockchain_height - 1) : 0; if (!get_block_reward(median, 1, already_generated_coins, base_reward, version)) return false; } @@ -3098,7 +3106,8 @@ bool Blockchain::check_fee(size_t tx_weight, uint64_t fee) const uint64_t needed_fee; if (version >= HF_VERSION_PER_BYTE_FEE) { - uint64_t fee_per_byte = get_dynamic_base_fee(base_reward, median, version); + const bool use_long_term_median_in_fee = version >= HF_VERSION_LONG_TERM_BLOCK_WEIGHT; + uint64_t fee_per_byte = get_dynamic_base_fee(base_reward, use_long_term_median_in_fee ? m_long_term_effective_median_block_weight : median, version); MDEBUG("Using " << print_money(fee_per_byte) << "/byte fee"); needed_fee = tx_weight * fee_per_byte; // quantize fee up to 8 decimals @@ -3135,6 +3144,7 @@ bool Blockchain::check_fee(size_t tx_weight, uint64_t fee) const uint64_t Blockchain::get_dynamic_base_fee_estimate(uint64_t grace_blocks) const { const uint8_t version = get_current_hard_fork_version(); + const uint64_t db_height = m_db->height(); if (version < HF_VERSION_DYNAMIC_FEE) return FEE_PER_KB; @@ -3143,7 +3153,7 @@ uint64_t Blockchain::get_dynamic_base_fee_estimate(uint64_t grace_blocks) const grace_blocks = CRYPTONOTE_REWARD_BLOCKS_WINDOW - 1; const uint64_t min_block_weight = get_min_block_weight(version); - std::vector<size_t> weights; + std::vector<uint64_t> weights; get_last_n_blocks_weights(weights, CRYPTONOTE_REWARD_BLOCKS_WINDOW - grace_blocks); weights.reserve(grace_blocks); for (size_t i = 0; i < grace_blocks; ++i) @@ -3153,7 +3163,7 @@ uint64_t Blockchain::get_dynamic_base_fee_estimate(uint64_t grace_blocks) const if(median <= min_block_weight) median = min_block_weight; - uint64_t already_generated_coins = m_db->height() ? m_db->get_block_already_generated_coins(m_db->height() - 1) : 0; + uint64_t already_generated_coins = db_height ? m_db->get_block_already_generated_coins(db_height - 1) : 0; uint64_t base_reward; if (!get_block_reward(median, 1, already_generated_coins, base_reward, version)) { @@ -3161,7 +3171,8 @@ uint64_t Blockchain::get_dynamic_base_fee_estimate(uint64_t grace_blocks) const base_reward = BLOCK_REWARD_OVERESTIMATE; } - uint64_t fee = get_dynamic_base_fee(base_reward, median, version); + const bool use_long_term_median_in_fee = version >= HF_VERSION_LONG_TERM_BLOCK_WEIGHT; + uint64_t fee = get_dynamic_base_fee(base_reward, use_long_term_median_in_fee ? m_long_term_effective_median_block_weight : median, version); const bool per_byte = version < HF_VERSION_PER_BYTE_FEE; MDEBUG("Estimating " << grace_blocks << "-block fee at " << print_money(fee) << "/" << (per_byte ? "byte" : "kB")); return fee; @@ -3658,7 +3669,8 @@ leave: { try { - new_height = m_db->add_block(bl, block_weight, cumulative_difficulty, already_generated_coins, txs); + uint64_t long_term_block_weight = get_next_long_term_block_weight(block_weight); + new_height = m_db->add_block(bl, block_weight, long_term_block_weight, cumulative_difficulty, already_generated_coins, txs); } catch (const KEY_IMAGE_EXISTS& e) { @@ -3684,7 +3696,12 @@ leave: TIME_MEASURE_FINISH(addblock); // do this after updating the hard fork state since the weight limit may change due to fork - update_next_cumulative_weight_limit(); + if (!update_next_cumulative_weight_limit()) + { + MERROR("Failed to update next cumulative weight limit"); + pop_block_from_blockchain(); + return false; + } MINFO("+++++ BLOCK SUCCESSFULLY ADDED" << std::endl << "id:\t" << id << std::endl << "PoW:\t" << proof_of_work << std::endl << "HEIGHT " << new_height-1 << ", difficulty:\t" << current_diffic << std::endl << "block reward: " << print_money(fee_summary + base_reward) << "(" << print_money(base_reward) << " + " << print_money(fee_summary) << "), coinbase_weight: " << coinbase_weight << ", cumulative weight: " << cumulative_block_weight << ", " << block_processing_time << "(" << target_calculating_time << "/" << longhash_calculating_time << ")ms"); if(m_show_time_stats) @@ -3740,20 +3757,100 @@ bool Blockchain::check_blockchain_pruning() return m_db->check_pruning(); } //------------------------------------------------------------------ -bool Blockchain::update_next_cumulative_weight_limit() +uint64_t Blockchain::get_next_long_term_block_weight(uint64_t block_weight) const { - uint64_t full_reward_zone = get_min_block_weight(get_current_hard_fork_version()); + PERF_TIMER(get_next_long_term_block_weight); + + const uint64_t db_height = m_db->height(); + const uint64_t nblocks = std::min<uint64_t>(m_long_term_block_weights_window, db_height); + + const uint8_t hf_version = get_current_hard_fork_version(); + if (hf_version < HF_VERSION_LONG_TERM_BLOCK_WEIGHT) + return block_weight; + + std::vector<uint64_t> weights; + weights.resize(nblocks); + for (uint64_t h = 0; h < nblocks; ++h) + weights[h] = m_db->get_block_long_term_weight(db_height - nblocks + h); + uint64_t long_term_median = epee::misc_utils::median(weights); + uint64_t long_term_effective_median_block_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, long_term_median); + + uint64_t short_term_constraint = long_term_effective_median_block_weight + long_term_effective_median_block_weight * 2 / 5; + uint64_t long_term_block_weight = std::min<uint64_t>(block_weight, short_term_constraint); + + return long_term_block_weight; +} +//------------------------------------------------------------------ +bool Blockchain::update_next_cumulative_weight_limit(uint64_t *long_term_effective_median_block_weight) +{ + PERF_TIMER(update_next_cumulative_weight_limit); LOG_PRINT_L3("Blockchain::" << __func__); - std::vector<size_t> weights; - get_last_n_blocks_weights(weights, CRYPTONOTE_REWARD_BLOCKS_WINDOW); - uint64_t median = epee::misc_utils::median(weights); - m_current_block_cumul_weight_median = median; - if(median <= full_reward_zone) - median = full_reward_zone; + // when we reach this, the last hf version is not yet written to the db + const uint64_t db_height = m_db->height(); + const uint8_t hf_version = get_current_hard_fork_version(); + uint64_t full_reward_zone = get_min_block_weight(hf_version); + uint64_t long_term_block_weight; + + if (hf_version < HF_VERSION_LONG_TERM_BLOCK_WEIGHT) + { + std::vector<uint64_t> weights; + get_last_n_blocks_weights(weights, CRYPTONOTE_REWARD_BLOCKS_WINDOW); + m_current_block_cumul_weight_median = epee::misc_utils::median(weights); + long_term_block_weight = weights.back(); + } + else + { + const uint64_t block_weight = m_db->get_block_weight(db_height - 1); + + std::vector<uint64_t> weights, new_weights; + uint64_t long_term_median; + if (db_height == 1) + { + long_term_median = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5; + } + else + { + uint64_t nblocks = std::min<uint64_t>(m_long_term_block_weights_window, db_height); + if (nblocks == db_height) + --nblocks; + weights.resize(nblocks); + for (uint64_t h = 0; h < nblocks; ++h) + weights[h] = m_db->get_block_long_term_weight(db_height - nblocks + h - 1); + new_weights = weights; + long_term_median = epee::misc_utils::median(weights); + } + + m_long_term_effective_median_block_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, long_term_median); + + uint64_t short_term_constraint = m_long_term_effective_median_block_weight + m_long_term_effective_median_block_weight * 2 / 5; + long_term_block_weight = std::min<uint64_t>(block_weight, short_term_constraint); + + if (new_weights.empty()) + new_weights.resize(1); + new_weights[0] = long_term_block_weight; + long_term_median = epee::misc_utils::median(new_weights); + m_long_term_effective_median_block_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, long_term_median); + short_term_constraint = m_long_term_effective_median_block_weight + m_long_term_effective_median_block_weight * 2 / 5; + + weights.clear(); + get_last_n_blocks_weights(weights, CRYPTONOTE_REWARD_BLOCKS_WINDOW); + + uint64_t short_term_median = epee::misc_utils::median(weights); + uint64_t effective_median_block_weight = std::min<uint64_t>(std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, short_term_median), CRYPTONOTE_SHORT_TERM_BLOCK_WEIGHT_SURGE_FACTOR * m_long_term_effective_median_block_weight); + + m_current_block_cumul_weight_median = effective_median_block_weight; + } + + if (m_current_block_cumul_weight_median <= full_reward_zone) + m_current_block_cumul_weight_median = full_reward_zone; + + m_current_block_cumul_weight_limit = m_current_block_cumul_weight_median * 2; + + if (long_term_effective_median_block_weight) + *long_term_effective_median_block_weight = m_long_term_effective_median_block_weight; - m_current_block_cumul_weight_limit = median*2; return true; } //------------------------------------------------------------------ diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h index c742bec91..92aef1278 100644 --- a/src/cryptonote_core/blockchain.h +++ b/src/cryptonote_core/blockchain.h @@ -37,6 +37,7 @@ #include <boost/multi_index/global_fun.hpp> #include <boost/multi_index/hashed_index.hpp> #include <boost/multi_index/member.hpp> +#include <boost/circular_buffer.hpp> #include <atomic> #include <functional> #include <unordered_map> @@ -631,6 +632,13 @@ namespace cryptonote uint64_t get_current_cumulative_block_weight_limit() const; /** + * @brief gets the long term block weight for a new block + * + * @return the long term block weight + */ + uint64_t get_next_long_term_block_weight(uint64_t block_weight) const; + + /** * @brief gets the block weight median based on recent blocks (same window as for the limit) * * @return the median @@ -994,7 +1002,9 @@ namespace cryptonote */ void pop_blocks(uint64_t nblocks); +#ifndef IN_UNIT_TESTS private: +#endif // TODO: evaluate whether or not each of these typedefs are left over from blockchain_storage typedef std::unordered_map<crypto::hash, size_t> blocks_by_id_index; @@ -1047,6 +1057,8 @@ namespace cryptonote std::vector<uint64_t> m_timestamps; std::vector<difficulty_type> m_difficulties; uint64_t m_timestamps_and_difficulties_height; + uint64_t m_long_term_block_weights_window; + uint64_t m_long_term_effective_median_block_weight; epee::critical_section m_difficulty_lock; crypto::hash m_difficulty_for_next_block_top_hash; @@ -1280,7 +1292,7 @@ namespace cryptonote * @param sz return-by-reference the list of weights * @param count the number of blocks to get weights for */ - void get_last_n_blocks_weights(std::vector<size_t>& weights, size_t count) const; + void get_last_n_blocks_weights(std::vector<uint64_t>& weights, size_t count) const; /** * @brief checks if a transaction is unlocked (its outputs spendable) @@ -1379,9 +1391,11 @@ namespace cryptonote /** * @brief calculate the block weight limit for the next block to be added * + * @param long_term_effective_median_block_weight optionally return that value + * * @return true */ - bool update_next_cumulative_weight_limit(); + bool update_next_cumulative_weight_limit(uint64_t *long_term_effective_median_block_weight = NULL); void return_tx_to_pool(std::vector<transaction> &txs); /** diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp index 1513bb750..bc01e2435 100644 --- a/src/cryptonote_core/cryptonote_core.cpp +++ b/src/cryptonote_core/cryptonote_core.cpp @@ -602,7 +602,8 @@ namespace cryptonote 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 + regtest_hard_forks, + 0 }; 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, get_checkpoints); diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h index 4810fc891..308924bb9 100644 --- a/src/cryptonote_core/cryptonote_core.h +++ b/src/cryptonote_core/cryptonote_core.h @@ -54,6 +54,7 @@ namespace cryptonote { struct test_options { const std::pair<uint8_t, uint64_t> *hard_forks; + const size_t long_term_block_weight_window; }; extern const command_line::arg_descriptor<std::string, false, true, 2> arg_data_dir; diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp index 839350522..2d85fdd1a 100644 --- a/src/daemon/rpc_command_executor.cpp +++ b/src/daemon/rpc_command_executor.cpp @@ -79,6 +79,7 @@ namespace { << "POW hash: " << header.pow_hash << std::endl << "block size: " << header.block_size << std::endl << "block weight: " << header.block_weight << std::endl + << "long term weight: " << header.long_term_weight << std::endl << "num txes: " << header.num_txes << std::endl << "reward: " << cryptonote::print_money(header.reward); } diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp index b524273bf..eae8cc531 100644 --- a/src/rpc/core_rpc_server.cpp +++ b/src/rpc/core_rpc_server.cpp @@ -1322,6 +1322,7 @@ namespace cryptonote response.block_size = response.block_weight = m_core.get_blockchain_storage().get_db().get_block_weight(height); response.num_txes = blk.tx_hashes.size(); response.pow_hash = fill_pow_hash ? string_tools::pod_to_hex(get_block_longhash(blk, height)) : ""; + response.long_term_weight = m_core.get_blockchain_storage().get_db().get_block_long_term_weight(height); return true; } //------------------------------------------------------------------------------------------------------------------------------ diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h index dfad5d6a7..e52e4fc67 100644 --- a/src/rpc/core_rpc_server_commands_defs.h +++ b/src/rpc/core_rpc_server_commands_defs.h @@ -1172,6 +1172,7 @@ namespace cryptonote uint64_t block_weight; uint64_t num_txes; std::string pow_hash; + uint64_t long_term_weight; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(major_version) @@ -1190,6 +1191,7 @@ namespace cryptonote KV_SERIALIZE_OPT(block_weight, (uint64_t)0) KV_SERIALIZE(num_txes) KV_SERIALIZE(pow_hash) + KV_SERIALIZE_OPT(long_term_weight, (uint64_t)0) END_KV_SERIALIZE_MAP() }; diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index 20afd4203..89d77cf32 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -85,6 +85,7 @@ add_subdirectory(performance_tests) add_subdirectory(core_proxy) add_subdirectory(unit_tests) add_subdirectory(difficulty) +add_subdirectory(block_weight) add_subdirectory(hash) add_subdirectory(net_load_tests) if (BUILD_GUI_DEPS) @@ -115,6 +116,7 @@ add_test( set(enabled_tests core_tests difficulty + block_weight hash performance_tests core_proxy diff --git a/tests/block_weight/CMakeLists.txt b/tests/block_weight/CMakeLists.txt new file mode 100644 index 000000000..b0d716ea0 --- /dev/null +++ b/tests/block_weight/CMakeLists.txt @@ -0,0 +1,45 @@ +# 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. + +set(block_weight_sources + block_weight.cpp) + +set(block_weight_headers) + +add_executable(block_weight + ${block_weight_sources} + ${block_weight_headers}) +target_link_libraries(block_weight + PRIVATE + cryptonote_core + blockchain_db + ${EXTRA_LIBRARIES}) + +add_test( + NAME block_weight + COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/compare.py ${CMAKE_CURRENT_SOURCE_DIR}/block_weight.py ${CMAKE_CURRENT_BINARY_DIR}/block_weight) diff --git a/tests/block_weight/block_weight.cpp b/tests/block_weight/block_weight.cpp new file mode 100644 index 000000000..a67f40f0f --- /dev/null +++ b/tests/block_weight/block_weight.cpp @@ -0,0 +1,183 @@ +// Copyright (c) 2019, 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. + +#define IN_UNIT_TESTS + +#include <stdio.h> +#include <math.h> +#include "cryptonote_core/blockchain.h" +#include "cryptonote_core/tx_pool.h" +#include "cryptonote_core/cryptonote_core.h" +#include "blockchain_db/testdb.h" + +#define LONG_TERM_BLOCK_WEIGHT_WINDOW 5000 + +enum test_t +{ + test_max = 0, + test_lcg = 1, + test_min = 2, +}; + +namespace +{ + +class TestDB: public cryptonote::BaseTestDB +{ +private: + struct block_t + { + size_t weight; + uint64_t long_term_weight; + }; + +public: + TestDB() { m_open = true; } + + 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 { + blocks.push_back({block_weight, long_term_block_weight}); + } + virtual uint64_t height() const override { return blocks.size(); } + virtual size_t get_block_weight(const uint64_t &h) const override { return blocks[h].weight; } + virtual uint64_t get_block_long_term_weight(const uint64_t &h) const override { return blocks[h].long_term_weight; } + virtual crypto::hash top_block_hash() const override { + uint64_t h = height(); + crypto::hash top = crypto::null_hash; + if (h) + *(uint64_t*)&top = h - 1; + return top; + } + virtual void pop_block(cryptonote::block &blk, std::vector<cryptonote::transaction> &txs) override { blocks.pop_back(); } + virtual void set_hard_fork_version(uint64_t height, uint8_t version) override { if (height >= hf.size()) hf.resize(height + 1); hf[height] = version; } + virtual uint8_t get_hard_fork_version(uint64_t height) const override { if (height >= hf.size()) return 255; return hf[height]; } + +private: + std::vector<block_t> blocks; + std::vector<uint8_t> hf; +}; + +} + +#define PREFIX_WINDOW(hf_version,window) \ + std::unique_ptr<cryptonote::Blockchain> bc; \ + cryptonote::tx_memory_pool txpool(*bc); \ + bc.reset(new cryptonote::Blockchain(txpool)); \ + struct get_test_options { \ + const std::pair<uint8_t, uint64_t> hard_forks[3]; \ + const cryptonote::test_options test_options = { \ + hard_forks, \ + window, \ + }; \ + get_test_options(): hard_forks{std::make_pair(1, (uint64_t)0), std::make_pair((uint8_t)hf_version, (uint64_t)LONG_TERM_BLOCK_WEIGHT_WINDOW), std::make_pair((uint8_t)0, (uint64_t)0)} {} \ + } opts; \ + cryptonote::Blockchain *blockchain = bc.get(); \ + bool r = blockchain->init(new TestDB(), cryptonote::FAKECHAIN, true, &opts.test_options, 0, NULL); \ + if (!r) \ + { \ + fprintf(stderr, "Failed to init blockchain\n"); \ + exit(1); \ + } + +#define PREFIX(hf_version) PREFIX_WINDOW(hf_version, LONG_TERM_BLOCK_WEIGHT_WINDOW) + +static uint32_t lcg_seed = 0; + +static uint32_t lcg() +{ + lcg_seed = (lcg_seed * 0x100000001b3 + 0xcbf29ce484222325) & 0xffffffff; + return lcg_seed; +} + +static void test(test_t t, uint64_t blocks) +{ + PREFIX(10); + + for (uint64_t h = 0; h < LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + cryptonote::block b; + b.major_version = 1; + b.minor_version = 1; + bc->get_db().add_block(b, 300000, 300000, bc->get_db().height(), bc->get_db().height(), {}); + if (!bc->update_next_cumulative_weight_limit()) + { + fprintf(stderr, "Failed to update cumulative weight limit 1\n"); + exit(1); + } + } + + for (uint64_t h = 0; h < blocks; ++h) + { + uint64_t w; + uint64_t effective_block_weight_median = bc->get_current_cumulative_block_weight_median(); + switch (t) + { + case test_lcg: + { + uint32_t r = lcg(); + int64_t wi = 90 + r % 500000 + 250000 + sin(h / 200.) * 350000; + w = wi < 90 ? 90 : wi; + break; + } + case test_max: + w = bc->get_current_cumulative_block_weight_limit(); + break; + case test_min: + w = 90; + break; + default: + exit(1); + } + uint64_t ltw = bc->get_next_long_term_block_weight(w); + cryptonote::block b; + b.major_version = 10; + b.minor_version = 10; + bc->get_db().add_block(std::move(b), w, ltw, bc->get_db().height(), bc->get_db().height(), {}); + + if (!bc->update_next_cumulative_weight_limit()) + { + fprintf(stderr, "Failed to update cumulative weight limit\n"); + exit(1); + } + std::cout << "H " << h << ", BW " << w << ", EMBW " << effective_block_weight_median << ", LTBW " << ltw << std::endl; + } +} + +int main() +{ + test(test_max, 2 * LONG_TERM_BLOCK_WEIGHT_WINDOW); + test(test_lcg, 9 * LONG_TERM_BLOCK_WEIGHT_WINDOW); + test(test_min, 1 * LONG_TERM_BLOCK_WEIGHT_WINDOW); + return 0; +} diff --git a/tests/block_weight/block_weight.py b/tests/block_weight/block_weight.py new file mode 100755 index 000000000..06aaabb02 --- /dev/null +++ b/tests/block_weight/block_weight.py @@ -0,0 +1,74 @@ +#!/usr/bin/python +# Simulate a maximal block attack on the Monero network +# This uses the scheme proposed by ArticMine +# Written by Sarang Nother +# Copyright (c) 2019 The Monero Project +import sys +import math + +MEDIAN_WINDOW_SMALL = 100 # number of recent blocks for median computation +MEDIAN_WINDOW_BIG = 5000 +MULTIPLIER_SMALL = 1.4 # multipliers for determining weights +MULTIPLIER_BIG = 50.0 +MEDIAN_THRESHOLD = 300*1000 # initial value for median (scaled kB -> B) +lcg_seed = 0 +embw = MEDIAN_THRESHOLD +ltembw = MEDIAN_THRESHOLD + +weights = [MEDIAN_THRESHOLD]*MEDIAN_WINDOW_SMALL # weights of recent blocks (B), with index -1 most recent +lt_weights = [MEDIAN_THRESHOLD]*MEDIAN_WINDOW_BIG # long-term weights + +# Compute the median of a list +def get_median(vec): + #temp = vec + temp = sorted(vec) + if len(temp) % 2 == 1: + return temp[len(temp)/2] + else: + return int((temp[len(temp)/2]+temp[len(temp)/2-1])/2) + +def LCG(): + global lcg_seed + lcg_seed = (lcg_seed * 0x100000001b3 + 0xcbf29ce484222325) & 0xffffffff + return lcg_seed + +def run(t, blocks): + global embw + global ltembw + + weights = [MEDIAN_THRESHOLD]*MEDIAN_WINDOW_SMALL # weights of recent blocks (B), with index -1 most recent + lt_weights = [MEDIAN_THRESHOLD]*MEDIAN_WINDOW_BIG # long-term weights + + for block in range(blocks): + # determine the long-term effective weight + ltmedian = get_median(lt_weights[-MEDIAN_WINDOW_BIG:]) + ltembw = max(MEDIAN_THRESHOLD,ltmedian) + + # determine the effective weight + stmedian = get_median(weights[-MEDIAN_WINDOW_SMALL:]) + embw = min(max(MEDIAN_THRESHOLD,stmedian),int(MULTIPLIER_BIG*ltembw)) + + # drop the lowest values + weights = weights[1:] + lt_weights = lt_weights[1:] + + # add a block of max weight + if t == 0: + max_weight = 2 * embw + elif t == 1: + r = LCG() + max_weight = int(90 + r % 500000 + 250000 + math.sin(block / 200.) * 350000) + if max_weight < 90: max_weight = 90 + elif t == 2: + max_weight = 90 + else: + sys.exit(1) + weights.append(max_weight) + lt_weights.append(min(max_weight,int(ltembw + int(ltembw * 2 / 5)))) + + #print "H %u, r %u, BW %u, EMBW %u, LTBW %u, LTEMBW %u, ltmedian %u" % (block, r, max_weight, embw, lt_weights[-1], ltembw, ltmedian) + print "H %u, BW %u, EMBW %u, LTBW %u" % (block, max_weight, embw, lt_weights[-1]) + +run(0, 2 * MEDIAN_WINDOW_BIG) +run(1, 9 * MEDIAN_WINDOW_BIG) +run(2, 1 * MEDIAN_WINDOW_BIG) diff --git a/tests/block_weight/compare.py b/tests/block_weight/compare.py new file mode 100755 index 000000000..c6be05206 --- /dev/null +++ b/tests/block_weight/compare.py @@ -0,0 +1,13 @@ +#!/usr/bin/python + +import sys +import subprocess + +print 'running: ', sys.argv[1] +S0 = subprocess.check_output(sys.argv[1], stderr=subprocess.STDOUT) +print 'running: ', sys.argv[2] +S1 = subprocess.check_output(sys.argv[2], stderr=subprocess.STDOUT) +print 'comparing' +if S0 != S1: + sys.exit(1) +sys.exit(0) diff --git a/tests/core_tests/v2_tests.h b/tests/core_tests/v2_tests.h index ecb23818c..cd2bcb839 100644 --- a/tests/core_tests/v2_tests.h +++ b/tests/core_tests/v2_tests.h @@ -81,7 +81,7 @@ template<> struct get_test_options<gen_v2_tx_validation_base> { const std::pair<uint8_t, uint64_t> hard_forks[3] = {std::make_pair(1, 0), std::make_pair(2, 1), std::make_pair(0, 0)}; const cryptonote::test_options test_options = { - hard_forks + hard_forks, 0 }; }; diff --git a/tests/unit_tests/CMakeLists.txt b/tests/unit_tests/CMakeLists.txt index cb421c847..aea82ede2 100644 --- a/tests/unit_tests/CMakeLists.txt +++ b/tests/unit_tests/CMakeLists.txt @@ -55,6 +55,7 @@ set(unit_tests_sources http.cpp keccak.cpp logging.cpp + long_term_block_weight.cpp main.cpp memwipe.cpp mlocker.cpp diff --git a/tests/unit_tests/blockchain_db.cpp b/tests/unit_tests/blockchain_db.cpp index 7e7ce9bf7..9cf8c5fbe 100644 --- a/tests/unit_tests/blockchain_db.cpp +++ b/tests/unit_tests/blockchain_db.cpp @@ -277,10 +277,10 @@ TYPED_TEST(BlockchainDBTest, AddBlock) // TODO: need at least one more block to make this reasonable, as the // BlockchainDB implementation should not check for parent if // no blocks have been added yet (because genesis has no parent). - //ASSERT_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1]), BLOCK_PARENT_DNE); + //ASSERT_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1]), BLOCK_PARENT_DNE); - ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0])); - ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1])); + ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0])); + ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1])); block b; ASSERT_TRUE(this->m_db->block_exists(get_block_hash(this->m_blocks[0]))); @@ -293,7 +293,7 @@ TYPED_TEST(BlockchainDBTest, AddBlock) ASSERT_TRUE(compare_blocks(this->m_blocks[0], b)); // assert that we can't add the same block twice - ASSERT_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0]), TX_EXISTS); + ASSERT_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0]), TX_EXISTS); for (auto& h : this->m_blocks[0].tx_hashes) { @@ -317,14 +317,14 @@ TYPED_TEST(BlockchainDBTest, RetrieveBlockData) this->get_filenames(); this->init_hard_fork(); - ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0])); + ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[0], t_sizes[0], t_sizes[0], t_diffs[0], t_coins[0], this->m_txs[0])); ASSERT_EQ(t_sizes[0], this->m_db->get_block_weight(0)); ASSERT_EQ(t_diffs[0], this->m_db->get_block_cumulative_difficulty(0)); ASSERT_EQ(t_diffs[0], this->m_db->get_block_difficulty(0)); ASSERT_EQ(t_coins[0], this->m_db->get_block_already_generated_coins(0)); - ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1])); + ASSERT_NO_THROW(this->m_db->add_block(this->m_blocks[1], t_sizes[1], t_sizes[1], t_diffs[1], t_coins[1], this->m_txs[1])); ASSERT_EQ(t_diffs[1] - t_diffs[0], this->m_db->get_block_difficulty(1)); ASSERT_HASH_EQ(get_block_hash(this->m_blocks[0]), this->m_db->get_block_hash_from_height(0)); diff --git a/tests/unit_tests/hardfork.cpp b/tests/unit_tests/hardfork.cpp index ec8d1d202..12dfde1bc 100644 --- a/tests/unit_tests/hardfork.cpp +++ b/tests/unit_tests/hardfork.cpp @@ -34,7 +34,7 @@ #include "blockchain_db/blockchain_db.h" #include "cryptonote_basic/cryptonote_format_utils.h" #include "cryptonote_basic/hardfork.h" -#include "testdb.h" +#include "blockchain_db/testdb.h" using namespace cryptonote; @@ -44,11 +44,12 @@ using namespace cryptonote; namespace { -class TestDB: public BaseTestDB { +class TestDB: public cryptonote::BaseTestDB { public: virtual uint64_t height() const { return blocks.size(); } virtual void add_block( const block& blk , size_t block_weight + , uint64_t long_term_block_weight , const difficulty_type& cumulative_difficulty , const uint64_t& coins_generated , uint64_t num_rct_outs @@ -106,20 +107,20 @@ TEST(major, Only) ASSERT_FALSE(hf.add(mkblock(0, 2), 0)); ASSERT_FALSE(hf.add(mkblock(2, 2), 0)); ASSERT_TRUE(hf.add(mkblock(1, 2), 0)); - db.add_block(mkblock(1, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(1, 1), 0, 0, 0, 0, 0, crypto::hash()); // block height 1, only version 1 is accepted ASSERT_FALSE(hf.add(mkblock(0, 2), 1)); ASSERT_FALSE(hf.add(mkblock(2, 2), 1)); ASSERT_TRUE(hf.add(mkblock(1, 2), 1)); - db.add_block(mkblock(1, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(1, 1), 0, 0, 0, 0, 0, crypto::hash()); // block height 2, only version 2 is accepted ASSERT_FALSE(hf.add(mkblock(0, 2), 2)); ASSERT_FALSE(hf.add(mkblock(1, 2), 2)); ASSERT_FALSE(hf.add(mkblock(3, 2), 2)); ASSERT_TRUE(hf.add(mkblock(2, 2), 2)); - db.add_block(mkblock(2, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(2, 1), 0, 0, 0, 0, 0, crypto::hash()); } TEST(empty_hardforks, Success) @@ -133,7 +134,7 @@ TEST(empty_hardforks, Success) ASSERT_TRUE(hf.get_state(time(NULL) + 3600*24*400) == HardFork::Ready); for (uint64_t h = 0; h <= 10; ++h) { - db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } ASSERT_EQ(hf.get(0), 1); @@ -167,14 +168,14 @@ TEST(check_for_height, Success) for (uint64_t h = 0; h <= 4; ++h) { ASSERT_TRUE(hf.check_for_height(mkblock(1, 1), h)); ASSERT_FALSE(hf.check_for_height(mkblock(2, 2), h)); // block version is too high - db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } for (uint64_t h = 5; h <= 10; ++h) { ASSERT_FALSE(hf.check_for_height(mkblock(1, 1), h)); // block version is too low ASSERT_TRUE(hf.check_for_height(mkblock(2, 2), h)); - db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } } @@ -191,19 +192,19 @@ TEST(get, next_version) for (uint64_t h = 0; h <= 4; ++h) { ASSERT_EQ(2, hf.get_next_version()); - db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 1), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } for (uint64_t h = 5; h <= 9; ++h) { ASSERT_EQ(4, hf.get_next_version()); - db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 2), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } for (uint64_t h = 10; h <= 15; ++h) { ASSERT_EQ(4, hf.get_next_version()); - db.add_block(mkblock(hf, h, 4), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 4), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } } @@ -244,7 +245,7 @@ TEST(steps_asap, Success) hf.init(); for (uint64_t h = 0; h < 10; ++h) { - db.add_block(mkblock(hf, h, 9), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, 9), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } @@ -271,7 +272,7 @@ TEST(steps_1, Success) hf.init(); for (uint64_t h = 0 ; h < 10; ++h) { - db.add_block(mkblock(hf, h, h+1), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, h+1), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } @@ -296,7 +297,7 @@ TEST(reorganize, Same) // index 0 1 2 3 4 5 6 7 8 9 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 }; for (uint64_t h = 0; h < 20; ++h) { - db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } @@ -327,7 +328,7 @@ TEST(reorganize, Changed) static const uint8_t block_versions[] = { 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 }; static const uint8_t expected_versions[] = { 1, 1, 1, 1, 1, 1, 4, 4, 7, 7, 9, 9, 9, 9, 9, 9 }; for (uint64_t h = 0; h < 16; ++h) { - db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE (hf.add(db.get_block_from_height(h), h)); } @@ -347,7 +348,7 @@ TEST(reorganize, Changed) ASSERT_EQ(db.height(), 3); hf.reorganize_from_block_height(2); for (uint64_t h = 3; h < 16; ++h) { - db.add_block(mkblock(hf, h, block_versions_new[h]), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, block_versions_new[h]), 0, 0, 0, 0, 0, crypto::hash()); bool ret = hf.add(db.get_block_from_height(h), h); ASSERT_EQ (ret, h < 15); } @@ -371,7 +372,7 @@ TEST(voting, threshold) for (uint64_t h = 0; h <= 8; ++h) { uint8_t v = 1 + !!(h % 8); - db.add_block(mkblock(hf, h, v), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, v), 0, 0, 0, 0, 0, crypto::hash()); bool ret = hf.add(db.get_block_from_height(h), h); if (h >= 8 && threshold == 87) { // 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 @@ -405,7 +406,7 @@ TEST(voting, different_thresholds) 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 }; for (uint64_t h = 0; h < sizeof(block_versions) / sizeof(block_versions[0]); ++h) { - db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash()); bool ret = hf.add(db.get_block_from_height(h), h); ASSERT_EQ(ret, true); } @@ -459,7 +460,7 @@ TEST(voting, info) ASSERT_EQ(expected_thresholds[h], threshold); ASSERT_EQ(4, voting); - db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, crypto::hash()); + db.add_block(mkblock(hf, h, block_versions[h]), 0, 0, 0, 0, 0, crypto::hash()); ASSERT_TRUE(hf.add(db.get_block_from_height(h), h)); } } @@ -522,7 +523,7 @@ TEST(reorganize, changed) #define ADD(v, h, a) \ do { \ cryptonote::block b = mkblock(hf, h, v); \ - db.add_block(b, 0, 0, 0, 0, crypto::hash()); \ + db.add_block(b, 0, 0, 0, 0, 0, crypto::hash()); \ ASSERT_##a(hf.add(b, h)); \ } while(0) #define ADD_TRUE(v, h) ADD(v, h, TRUE) diff --git a/tests/unit_tests/long_term_block_weight.cpp b/tests/unit_tests/long_term_block_weight.cpp new file mode 100644 index 000000000..0ee6c5c2b --- /dev/null +++ b/tests/unit_tests/long_term_block_weight.cpp @@ -0,0 +1,384 @@ +// Copyright (c) 2019, 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. + +#define IN_UNIT_TESTS + +#include "gtest/gtest.h" +#include "cryptonote_core/blockchain.h" +#include "cryptonote_core/tx_pool.h" +#include "cryptonote_core/cryptonote_core.h" +#include "blockchain_db/testdb.h" + +#define TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW 5000 + +namespace +{ + +class TestDB: public cryptonote::BaseTestDB +{ +private: + struct block_t + { + size_t weight; + uint64_t long_term_weight; + }; + +public: + TestDB() { m_open = true; } + + 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 { + blocks.push_back({block_weight, long_term_block_weight}); + } + virtual uint64_t height() const override { return blocks.size(); } + virtual size_t get_block_weight(const uint64_t &h) const override { return blocks[h].weight; } + virtual uint64_t get_block_long_term_weight(const uint64_t &h) const override { return blocks[h].long_term_weight; } + virtual crypto::hash top_block_hash() const override { + uint64_t h = height(); + crypto::hash top = crypto::null_hash; + if (h) + *(uint64_t*)&top = h - 1; + return top; + } + virtual void pop_block(cryptonote::block &blk, std::vector<cryptonote::transaction> &txs) override { blocks.pop_back(); } + +private: + std::vector<block_t> blocks; +}; + +static uint32_t lcg_seed = 0; + +static uint32_t lcg() +{ + lcg_seed = (lcg_seed * 0x100000001b3 + 0xcbf29ce484222325) & 0xffffffff; + return lcg_seed; +} + +} + +#define PREFIX_WINDOW(hf_version,window) \ + std::unique_ptr<cryptonote::Blockchain> bc; \ + cryptonote::tx_memory_pool txpool(*bc); \ + bc.reset(new cryptonote::Blockchain(txpool)); \ + struct get_test_options { \ + const std::pair<uint8_t, uint64_t> hard_forks[3]; \ + const cryptonote::test_options test_options = { \ + hard_forks, \ + window, \ + }; \ + get_test_options(): hard_forks{std::make_pair(1, (uint64_t)0), std::make_pair((uint8_t)hf_version, (uint64_t)1), std::make_pair((uint8_t)0, (uint64_t)0)} {} \ + } opts; \ + cryptonote::Blockchain *blockchain = bc.get(); \ + bool r = blockchain->init(new TestDB(), cryptonote::FAKECHAIN, true, &opts.test_options, 0, NULL); \ + ASSERT_TRUE(r) + +#define PREFIX(hf_version) PREFIX_WINDOW(hf_version, TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW) + +TEST(long_term_block_weight, empty_short) +{ + PREFIX(9); + + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + + ASSERT_EQ(bc->get_current_cumulative_block_weight_median(), CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5); + ASSERT_EQ(bc->get_current_cumulative_block_weight_limit(), CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 * 2); +} + +TEST(long_term_block_weight, identical_before_fork) +{ + PREFIX(9); + + for (uint64_t h = 1; h < 10 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + size_t w = h < CRYPTONOTE_REWARD_BLOCKS_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + for (uint64_t h = 0; h < 10 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + ASSERT_EQ(bc->get_db().get_block_long_term_weight(h), bc->get_db().get_block_weight(h)); + } +} + +TEST(long_term_block_weight, identical_after_fork_before_long_term_window) +{ + PREFIX(10); + + for (uint64_t h = 1; h <= TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + size_t w = h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + for (uint64_t h = 0; h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + ASSERT_EQ(bc->get_db().get_block_long_term_weight(h), bc->get_db().get_block_weight(h)); + } +} + +TEST(long_term_block_weight, ceiling_at_30000000) +{ + PREFIX(10); + + for (uint64_t h = 0; h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW + TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW / 2 - 1; ++h) + { + size_t w = h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + ASSERT_EQ(bc->get_current_cumulative_block_weight_median(), 15000000); + ASSERT_EQ(bc->get_current_cumulative_block_weight_limit(), 30000000); +} + +TEST(long_term_block_weight, multi_pop) +{ + PREFIX(10); + + for (uint64_t h = 1; h <= TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW + 20; ++h) + { + size_t w = h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + + const uint64_t effective_median = bc->get_current_cumulative_block_weight_median(); + const uint64_t effective_limit = bc->get_current_cumulative_block_weight_limit(); + + for (uint64_t h = 0; h < 4; ++h) + { + size_t w = h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + + cryptonote::block b; + std::vector<cryptonote::transaction> txs; + bc->get_db().pop_block(b, txs); + bc->get_db().pop_block(b, txs); + bc->get_db().pop_block(b, txs); + bc->get_db().pop_block(b, txs); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); +} + +TEST(long_term_block_weight, multiple_updates) +{ + PREFIX(10); + + for (uint64_t h = 1; h <= 3 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + size_t w = h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + const uint64_t effective_median = bc->get_current_cumulative_block_weight_median(); + const uint64_t effective_limit = bc->get_current_cumulative_block_weight_limit(); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); + } +} + +TEST(long_term_block_weight, pop_invariant_max) +{ + PREFIX(10); + + for (uint64_t h = 1; h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW - 10; ++h) + { + size_t w = bc->get_db().height() < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + + for (int n = 0; n < 1000; ++n) + { + // pop some blocks, then add some more + int remove = 1 + (n * 17) % 8; + int add = (n * 23) % 12; + + // save long term block weights we're about to remove + uint64_t old_ltbw[16], h0 = bc->get_db().height() - remove - 1; + for (int i = -2; i < remove; ++i) + { + old_ltbw[i + 2] = bc->get_db().get_block_long_term_weight(h0 + i); + } + + for (int i = 0; i < remove; ++i) + { + cryptonote::block b; + std::vector<cryptonote::transaction> txs; + bc->get_db().pop_block(b, txs); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + for (int i = 0; i < add; ++i) + { + size_t w = bc->get_db().height() < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, bc->get_db().height(), bc->get_db().height(), {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + + // check the new values are the same as the old ones + for (int i = -2; i < std::min(add, remove); ++i) + { + ASSERT_EQ(bc->get_db().get_block_long_term_weight(h0 + i), old_ltbw[i + 2]); + } + } +} + +TEST(long_term_block_weight, pop_invariant_random) +{ + PREFIX(10); + + for (uint64_t h = 1; h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW - 10; ++h) + { + size_t w = bc->get_db().height() < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + } + + for (int n = 0; n < 1000; ++n) + { + // pop some blocks, then add some more + int remove = 1 + (n * 17) % 8; + int add = (n * 23) % 123; + + // save long term block weights we're about to remove + uint64_t old_ltbw[16], h0 = bc->get_db().height() - remove - 1; + for (int i = -2; i < remove; ++i) + { + old_ltbw[i + 2] = bc->get_db().get_block_long_term_weight(h0 + i); + } + + for (int i = 0; i < remove; ++i) + { + cryptonote::block b; + std::vector<cryptonote::transaction> txs; + bc->get_db().pop_block(b, txs); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + const uint64_t effective_median = bc->get_current_cumulative_block_weight_median(); + const uint64_t effective_limit = bc->get_current_cumulative_block_weight_limit(); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); + } + for (int i = 0; i < add; ++i) + { + lcg_seed = bc->get_db().height(); + uint32_t r = lcg(); + size_t w = bc->get_db().height() < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5 : (r % bc->get_current_cumulative_block_weight_limit()); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, bc->get_db().height(), bc->get_db().height(), {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + const uint64_t effective_median = bc->get_current_cumulative_block_weight_median(); + const uint64_t effective_limit = bc->get_current_cumulative_block_weight_limit(); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit()); + ASSERT_EQ(effective_median, bc->get_current_cumulative_block_weight_median()); + ASSERT_EQ(effective_limit, bc->get_current_cumulative_block_weight_limit()); + } + + // check the new values are the same as the old ones + for (int i = -2; i < std::min(add, remove); ++i) + { + ASSERT_EQ(bc->get_db().get_block_long_term_weight(h0 + i), old_ltbw[i + 2]); + } + } +} + +TEST(long_term_block_weight, long_growth_spike_and_drop) +{ + PREFIX(10); + + uint64_t long_term_effective_median_block_weight; + + // constant init + for (uint64_t h = 0; h < TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW; ++h) + { + size_t w = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5; + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit(&long_term_effective_median_block_weight)); + } + ASSERT_EQ(long_term_effective_median_block_weight, 300000); + + // slow 10% yearly for a year (scaled down by 100000 / TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW) -> 8% change + for (uint64_t h = 0; h < 365 * 720 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW / 100000; ++h) + { + //size_t w = bc->get_current_cumulative_block_weight_median() * rate; + float t = h / float(365 * 720 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW / 100000); + size_t w = 300000 + t * 30000; + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit(&long_term_effective_median_block_weight)); + } + ASSERT_GT(long_term_effective_median_block_weight, 300000 * 1.07); + ASSERT_LT(long_term_effective_median_block_weight, 300000 * 1.09); + + // spike over three weeks - does not move much + for (uint64_t h = 0; h < 21 * 720 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW / 100000; ++h) + { + size_t w = bc->get_current_cumulative_block_weight_limit(); + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit(&long_term_effective_median_block_weight)); + } + ASSERT_GT(long_term_effective_median_block_weight, 300000 * 1.07); + ASSERT_LT(long_term_effective_median_block_weight, 300000 * 1.09); + + // drop - does not move much + for (uint64_t h = 0; h < 21 * 720 * TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW / 100000; ++h) + { + size_t w = bc->get_current_cumulative_block_weight_median() * .25; + uint64_t ltw = bc->get_next_long_term_block_weight(w); + bc->get_db().add_block(cryptonote::block(), w, ltw, h, h, {}); + ASSERT_TRUE(bc->update_next_cumulative_weight_limit(&long_term_effective_median_block_weight)); + } + ASSERT_GT(long_term_effective_median_block_weight, 300000 * 1.07); + ASSERT_LT(long_term_effective_median_block_weight, 300000 * 1.09); +} diff --git a/tests/unit_tests/output_distribution.cpp b/tests/unit_tests/output_distribution.cpp index 649752ac7..45f2c135b 100644 --- a/tests/unit_tests/output_distribution.cpp +++ b/tests/unit_tests/output_distribution.cpp @@ -33,7 +33,7 @@ #include "cryptonote_core/cryptonote_core.h" #include "cryptonote_core/tx_pool.h" #include "cryptonote_core/blockchain.h" -#include "testdb.h" +#include "blockchain_db/testdb.h" static const uint64_t test_distribution[32] = { 0, 0, 0, 0, 0, 1, 5, 1, 4, 0, 0, 1, 0, 1, 2, 3, 1, 0, 2, 0, 1, 3, 8, 1, 3, 5, 7, 1, 5, 0, 2, 3 @@ -43,7 +43,7 @@ static const size_t test_distribution_size = sizeof(test_distribution) / sizeof( namespace { -class TestDB: public BaseTestDB +class TestDB: public cryptonote::BaseTestDB { public: TestDB(size_t bc_height = test_distribution_size): blockchain_height(bc_height) { m_open = true; } |