From 0a7421b60716051359f821b2540073ad27c141d3 Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Sat, 26 Sep 2015 16:22:57 +0100 Subject: [PATCH] hardfork: rescan speedup Add a block height before which version 1 is assumed Use DB transactions --- src/cryptonote_core/blockchain.cpp | 5 +++- src/cryptonote_core/hardfork.cpp | 41 ++++++++++++++++++++++-------- src/cryptonote_core/hardfork.h | 10 +++++--- tests/unit_tests/hardfork.cpp | 16 ++++++------ 4 files changed, 49 insertions(+), 23 deletions(-) diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 14ee36911..ab420b046 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -80,6 +80,7 @@ static const struct { // version 2 can start from block 1009827, setup on the 20th of september { 2, 1009827, 1442763710 }, }; +static const uint64_t mainnet_hard_fork_version_1_till = 750000; static const struct { uint8_t version; @@ -89,6 +90,7 @@ static const struct { // version 1 from the start of the blockchain { 1, 1, 1341378000 }, }; +static const uint64_t testnet_hard_fork_version_1_till = 540000; //------------------------------------------------------------------ Blockchain::Blockchain(tx_memory_pool& tx_pool) : @@ -296,13 +298,14 @@ bool Blockchain::init(BlockchainDB* db, const bool testnet) m_db = db; - m_hardfork = new HardFork(*db); if (testnet) { + m_hardfork = new HardFork(*db, 1, testnet_hard_fork_version_1_till); for (size_t n = 0; n < sizeof(testnet_hard_forks) / sizeof(testnet_hard_forks[0]); ++n) m_hardfork->add(testnet_hard_forks[n].version, testnet_hard_forks[n].height, testnet_hard_forks[n].time); } else { + m_hardfork = new HardFork(*db, 1, mainnet_hard_fork_version_1_till); for (size_t n = 0; n < sizeof(mainnet_hard_forks) / sizeof(mainnet_hard_forks[0]); ++n) m_hardfork->add(mainnet_hard_forks[n].version, mainnet_hard_forks[n].height, mainnet_hard_forks[n].time); } diff --git a/src/cryptonote_core/hardfork.cpp b/src/cryptonote_core/hardfork.cpp index 30c5d94c9..4b40a4cf3 100644 --- a/src/cryptonote_core/hardfork.cpp +++ b/src/cryptonote_core/hardfork.cpp @@ -35,9 +35,10 @@ using namespace cryptonote; -HardFork::HardFork(cryptonote::BlockchainDB &db, uint8_t original_version, time_t forked_time, time_t update_time, uint64_t window_size, int threshold_percent): +HardFork::HardFork(cryptonote::BlockchainDB &db, uint8_t original_version, uint64_t original_version_till_height, time_t forked_time, time_t update_time, uint64_t window_size, int threshold_percent): db(db), original_version(original_version), + original_version_till_height(original_version_till_height), forked_time(forked_time), update_time(update_time), window_size(window_size), @@ -68,9 +69,8 @@ bool HardFork::add(uint8_t version, uint64_t height, time_t time) return true; } -uint8_t HardFork::get_effective_version(const cryptonote::block &block) const +uint8_t HardFork::get_effective_version(uint8_t version) const { - uint8_t version = block.major_version; if (!heights.empty()) { uint8_t max_version = heights.back().version; if (version > max_version) @@ -79,27 +79,27 @@ uint8_t HardFork::get_effective_version(const cryptonote::block &block) const return version; } -bool HardFork::do_check(const cryptonote::block &block) const +bool HardFork::do_check(uint8_t version) const { - return block.major_version >= heights[current_fork_index].version; + return version >= heights[current_fork_index].version; } bool HardFork::check(const cryptonote::block &block) const { CRITICAL_REGION_LOCAL(lock); - return do_check(block); + return do_check(block.major_version); } -bool HardFork::add(const cryptonote::block &block, uint64_t height) +bool HardFork::add(uint8_t block_version, uint64_t height) { CRITICAL_REGION_LOCAL(lock); - if (!do_check(block)) + if (!do_check(block_version)) return false; db.set_hard_fork_version(height, heights[current_fork_index].version); - const uint8_t version = get_effective_version(block); + const uint8_t version = get_effective_version(block_version); while (versions.size() >= window_size) { const uint8_t old_version = versions.front(); @@ -123,6 +123,11 @@ bool HardFork::add(const cryptonote::block &block, uint64_t height) return true; } +bool HardFork::add(const cryptonote::block &block, uint64_t height) +{ + return add(block.major_version, height); +} + void HardFork::init() { CRITICAL_REGION_LOCAL(lock); @@ -154,12 +159,24 @@ void HardFork::init() LOG_PRINT_L1("reorganization done"); } +uint8_t HardFork::get_block_version(uint64_t height) const +{ + if (height <= original_version_till_height) + return original_version; + + const cryptonote::block &block = db.get_block_from_height(height); + return block.major_version; +} + bool HardFork::reorganize_from_block_height(uint64_t height) { CRITICAL_REGION_LOCAL(lock); if (height >= db.height()) return false; + //db.set_batch_transactions(true); + //db.batch_start(); + versions.clear(); for (size_t n = 0; n < 256; ++n) @@ -172,7 +189,7 @@ bool HardFork::reorganize_from_block_height(uint64_t height) } for (uint64_t h = rescan_height; h <= height; ++h) { cryptonote::block b = db.get_block_from_height(h); - const uint8_t v = get_effective_version(b); + const uint8_t v = get_effective_version(b.major_version); last_versions[v]++; versions.push_back(v); } @@ -188,9 +205,11 @@ bool HardFork::reorganize_from_block_height(uint64_t height) const uint64_t bc_height = db.height(); for (uint64_t h = height + 1; h < bc_height; ++h) { - add(db.get_block_from_height(h), h); + add(get_block_version(h), h); } + //db.batch_stop(); + return true; } diff --git a/src/cryptonote_core/hardfork.h b/src/cryptonote_core/hardfork.h index 946e5febc..2fcc2d539 100644 --- a/src/cryptonote_core/hardfork.h +++ b/src/cryptonote_core/hardfork.h @@ -44,6 +44,7 @@ namespace cryptonote Ready, } State; + static const uint64_t DEFAULT_ORIGINAL_VERSION_TILL_HEIGHT = 0; // <= actual height static const time_t DEFAULT_FORKED_TIME = 31557600; // a year in seconds static const time_t DEFAULT_UPDATE_TIME = 31557600 / 2; static const uint64_t DEFAULT_WINDOW_SIZE = 50; // supermajority window check length @@ -58,7 +59,7 @@ namespace cryptonote * @param window_size the size of the window in blocks to consider for version voting * @param threshold_percent the size of the majority in percents */ - HardFork(cryptonote::BlockchainDB &db, uint8_t original_version = 1, time_t forked_time = DEFAULT_FORKED_TIME, time_t update_time = DEFAULT_UPDATE_TIME, uint64_t window_size = DEFAULT_WINDOW_SIZE, int threshold_percent = DEFAULT_THRESHOLD_PERCENT); + HardFork(cryptonote::BlockchainDB &db, uint8_t original_version = 1, uint64_t original_version_till_height = DEFAULT_ORIGINAL_VERSION_TILL_HEIGHT, time_t forked_time = DEFAULT_FORKED_TIME, time_t update_time = DEFAULT_UPDATE_TIME, uint64_t window_size = DEFAULT_WINDOW_SIZE, int threshold_percent = DEFAULT_THRESHOLD_PERCENT); /** * @brief add a new hardfork height @@ -182,9 +183,11 @@ namespace cryptonote private: - bool do_check(const cryptonote::block &block) const; + uint8_t get_block_version(uint64_t height) const; + bool do_check(uint8_t version) const; int get_voted_fork_index(uint64_t height) const; - uint8_t get_effective_version(const cryptonote::block &block) const; + uint8_t get_effective_version(uint8_t version) const; + bool add(uint8_t block_version, uint64_t height); private: @@ -196,6 +199,7 @@ namespace cryptonote int threshold_percent; uint8_t original_version; + uint64_t original_version_till_height; struct Params { uint8_t version; diff --git a/tests/unit_tests/hardfork.cpp b/tests/unit_tests/hardfork.cpp index a476eca22..25d03b703 100644 --- a/tests/unit_tests/hardfork.cpp +++ b/tests/unit_tests/hardfork.cpp @@ -196,7 +196,7 @@ TEST(states, Success) TEST(steps_asap, Success) { TestDB db; - HardFork hf(db, 1,1,1,1); + HardFork hf(db, 1,0,1,1,1); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -225,7 +225,7 @@ TEST(steps_asap, Success) TEST(steps_1, Success) { TestDB db; - HardFork hf(db, 1,1,1,1); + HardFork hf(db, 1,0,1,1,1); ASSERT_TRUE(hf.add(1, 0, 0)); for (int n = 1 ; n < 10; ++n) @@ -246,7 +246,7 @@ TEST(reorganize, Same) { for (int history = 1; history <= 12; ++history) { TestDB db; - HardFork hf(db, 1, 1, 1, history, 100); + HardFork hf(db, 1, 0, 1, 1, history, 100); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -276,7 +276,7 @@ TEST(reorganize, Changed) { int history = 4; TestDB db; - HardFork hf(db, 1, 1, 1, 4, 100); + HardFork hf(db, 1, 0, 1, 1, 4, 100); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -325,7 +325,7 @@ TEST(voting, threshold) { for (int threshold = 87; threshold <= 88; ++threshold) { TestDB db; - HardFork hf(db, 1, 1, 1, 8, threshold); + HardFork hf(db, 1, 0, 1, 1, 8, threshold); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -353,7 +353,7 @@ TEST(voting, threshold) TEST(new_blocks, denied) { TestDB db; - HardFork hf(db, 1, 1, 1, 4, 50); + HardFork hf(db, 1, 0, 1, 1, 4, 50); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -379,7 +379,7 @@ TEST(new_blocks, denied) TEST(new_version, early) { TestDB db; - HardFork hf(db, 1, 1, 1, 4, 50); + HardFork hf(db, 1, 0, 1, 1, 4, 50); // v h t ASSERT_TRUE(hf.add(1, 0, 0)); @@ -402,7 +402,7 @@ TEST(new_version, early) TEST(reorganize, changed) { TestDB db; - HardFork hf(db, 1, 1, 1, 4, 50); + HardFork hf(db, 1, 0, 1, 1, 4, 50); // v h t ASSERT_TRUE(hf.add(1, 0, 0));