diff options
Diffstat (limited to 'src/blockchain_db/berkeleydb/db_bdb.cpp')
| -rw-r--r-- | src/blockchain_db/berkeleydb/db_bdb.cpp | 2296 |
1 files changed, 0 insertions, 2296 deletions
diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp deleted file mode 100644 index d138a1e7e..000000000 --- a/src/blockchain_db/berkeleydb/db_bdb.cpp +++ /dev/null @@ -1,2296 +0,0 @@ -// Copyright (c) 2014-2019, 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. - -#include "db_bdb.h" - -#include <boost/filesystem.hpp> -#include <memory> // std::unique_ptr -#include <cstring> // memcpy - -#include "cryptonote_basic/cryptonote_format_utils.h" -#include "crypto/crypto.h" -#include "profile_tools.h" - -using epee::string_tools::pod_to_hex; -#define DB_DEFAULT_TX (m_write_txn != nullptr ? *m_write_txn : (DbTxn*) nullptr) - -// Increase when the DB changes in a non backward compatible way, and there -// is no automatic conversion, so that a full resync is needed. -#define VERSION 0 - -namespace -{ - -template <typename T> -inline void throw0(const T &e) -{ - LOG_PRINT_L0(e.what()); - throw e; -} - -template <typename T> -inline void throw1(const T &e) -{ - LOG_PRINT_L1(e.what()); - throw e; -} - -// cursor needs to be closed when it goes out of scope, -// this helps if the function using it throws -struct bdb_cur -{ - bdb_cur(DbTxn* txn, Db* dbi) - { - if (dbi->cursor(txn, &m_cur, 0)) - throw0(cryptonote::DB_ERROR("Error opening db cursor")); - done = false; - } - - ~bdb_cur() - { - close(); - } - - operator Dbc*() - { - return m_cur; - } - operator Dbc**() - { - return &m_cur; - } - Dbc* operator->() - { - return m_cur; - } - - void close() - { - if (!done) - { - m_cur->close(); - done = true; - } - } - -private: - Dbc* m_cur; - bool done; -}; - -const char* const BDB_BLOCKS = "blocks"; -const char* const BDB_BLOCK_TIMESTAMPS = "block_timestamps"; -const char* const BDB_BLOCK_HEIGHTS = "block_heights"; -const char* const BDB_BLOCK_HASHES = "block_hashes"; -const char* const BDB_BLOCK_SIZES = "block_sizes"; -const char* const BDB_BLOCK_DIFFS = "block_diffs"; -const char* const BDB_BLOCK_COINS = "block_coins"; - -const char* const BDB_TXS = "txs"; -const char* const BDB_TX_UNLOCKS = "tx_unlocks"; -const char* const BDB_TX_HEIGHTS = "tx_heights"; -const char* const BDB_TX_OUTPUTS = "tx_outputs"; - -const char* const BDB_OUTPUT_TXS = "output_txs"; -const char* const BDB_OUTPUT_INDICES = "output_indices"; -const char* const BDB_OUTPUT_AMOUNTS = "output_amounts"; -const char* const BDB_OUTPUT_KEYS = "output_keys"; - -const char* const BDB_SPENT_KEYS = "spent_keys"; - -const char* const BDB_HF_STARTING_HEIGHTS = "hf_starting_heights"; -const char* const BDB_HF_VERSIONS = "hf_versions"; - -const char* const BDB_PROPERTIES = "properties"; - -const unsigned int MB = 1024 * 1024; -// ND: FIXME: db keeps running out of locks when doing full syncs. Possible bug??? Set it to 5K for now. -const unsigned int DB_MAX_LOCKS = 5000; -const unsigned int DB_BUFFER_LENGTH = 32 * MB; -// 256MB cache adjust as necessary using DB_CONFIG -const unsigned int DB_DEF_CACHESIZE = 256 * MB; - -#if defined(BDB_BULK_CAN_THREAD) -const unsigned int DB_BUFFER_COUNT = tools::get_max_concurrency(); -#else -const unsigned int DB_BUFFER_COUNT = 1; -#endif - -template<typename T> -struct Dbt_copy: public Dbt -{ - Dbt_copy(const T &t) : - t_copy(t) - { - init(); - } - - Dbt_copy() - { - init(); - } - - void init() - { - set_data(&t_copy); - set_size(sizeof(T)); - set_ulen(sizeof(T)); - set_flags(DB_DBT_USERMEM); - } - - operator T() - { - return t_copy; - } -private: - T t_copy; -}; - -template<> -struct Dbt_copy<cryptonote::blobdata>: public Dbt -{ - Dbt_copy(const cryptonote::blobdata &bd) : - m_data(new char[bd.size()]) - { - memcpy(m_data.get(), bd.data(), bd.size()); - set_data(m_data.get()); - set_size(bd.size()); - set_ulen(bd.size()); - set_flags(DB_DBT_USERMEM); - } -private: - std::unique_ptr<char[]> m_data; -}; - -template<> -struct Dbt_copy<const char*>: public Dbt -{ - Dbt_copy(const char *s) : - m_data(strdup(s)) - { - size_t len = strlen(s) + 1; // include the NUL, makes it easier for compare - set_data(m_data.get()); - set_size(len); - set_ulen(len); - set_flags(DB_DBT_USERMEM); - } -private: - std::unique_ptr<char[]> m_data; -}; - -struct Dbt_safe : public Dbt -{ - Dbt_safe() - { - set_data(NULL); - set_flags(DB_DBT_MALLOC); - } - ~Dbt_safe() - { - void* buf = get_data(); - if (buf != NULL) - { - free(buf); - } - } -}; - -} // anonymous namespace - -namespace cryptonote -{ - -void BlockchainBDB::add_block(const block& blk, size_t block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const crypto::hash& blk_hash) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> val_h(blk_hash); - if (m_block_heights->exists(DB_DEFAULT_TX, &val_h, 0) == 0) - throw1(BLOCK_EXISTS("Attempting to add block that's already in the db")); - - if (m_height > 0) - { - Dbt_copy<crypto::hash> parent_key(blk.prev_id); - Dbt_copy<uint32_t> parent_h; - if (m_block_heights->get(DB_DEFAULT_TX, &parent_key, &parent_h, 0)) - { - LOG_PRINT_L3("m_height: " << m_height); - LOG_PRINT_L3("parent_key: " << blk.prev_id); - throw0(DB_ERROR("Failed to get top block hash to check for new block's parent")); - } - uint32_t parent_height = parent_h; - if (parent_height != m_height) - throw0(BLOCK_PARENT_DNE("Top block is not new block's parent")); - } - - Dbt_copy<uint32_t> key(m_height + 1); - - Dbt_copy<blobdata> blob(block_to_blob(blk)); - auto res = m_blocks->put(DB_DEFAULT_TX, &key, &blob, 0); - if (res) - throw0(DB_ERROR("Failed to add block blob to db transaction.")); - - Dbt_copy<size_t> sz(block_weight); - if (m_block_sizes->put(DB_DEFAULT_TX, &key, &sz, 0)) - throw0(DB_ERROR("Failed to add block size to db transaction.")); - - Dbt_copy<uint64_t> ts(blk.timestamp); - if (m_block_timestamps->put(DB_DEFAULT_TX, &key, &ts, 0)) - throw0(DB_ERROR("Failed to add block timestamp to db transaction.")); - - Dbt_copy<difficulty_type> diff(cumulative_difficulty); - if (m_block_diffs->put(DB_DEFAULT_TX, &key, &diff, 0)) - throw0(DB_ERROR("Failed to add block cumulative difficulty to db transaction.")); - - Dbt_copy<uint64_t> coinsgen(coins_generated); - if (m_block_coins->put(DB_DEFAULT_TX, &key, &coinsgen, 0)) - throw0(DB_ERROR("Failed to add block total generated coins to db transaction.")); - - if (m_block_heights->put(DB_DEFAULT_TX, &val_h, &key, 0)) - throw0(DB_ERROR("Failed to add block height by hash to db transaction.")); - - if (m_block_hashes->put(DB_DEFAULT_TX, &key, &val_h, 0)) - throw0(DB_ERROR("Failed to add block hash to db transaction.")); -} - -void BlockchainBDB::remove_block() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - if (m_height == 0) - throw0(BLOCK_DNE ("Attempting to remove block from an empty blockchain")); - - Dbt_copy<uint32_t> k(m_height); - Dbt_copy<crypto::hash> h; - if (m_block_hashes->get(DB_DEFAULT_TX, &k, &h, 0)) - throw1(BLOCK_DNE("Attempting to remove block that's not in the db")); - - if (m_blocks->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block to db transaction")); - - if (m_block_sizes->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block size to db transaction")); - - if (m_block_diffs->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block cumulative difficulty to db transaction")); - - if (m_block_coins->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block total generated coins to db transaction")); - - if (m_block_timestamps->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block timestamp to db transaction")); - - if (m_block_heights->del(DB_DEFAULT_TX, &h, 0)) - throw1(DB_ERROR("Failed to add removal of block height by hash to db transaction")); - - if (m_block_hashes->del(DB_DEFAULT_TX, &k, 0)) - throw1(DB_ERROR("Failed to add removal of block hash to db transaction")); -} - -void BlockchainBDB::add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prunable_hash) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> val_h(tx_hash); - - if (m_txs->exists(DB_DEFAULT_TX, &val_h, 0) == 0) - throw1(TX_EXISTS("Attempting to add transaction that's already in the db")); - - Dbt_copy<blobdata> blob(tx_to_blob(tx)); - if (m_txs->put(DB_DEFAULT_TX, &val_h, &blob, 0)) - throw0(DB_ERROR("Failed to add tx blob to db transaction")); - - Dbt_copy<uint64_t> height(m_height + 1); - if (m_tx_heights->put(DB_DEFAULT_TX, &val_h, &height, 0)) - throw0(DB_ERROR("Failed to add tx block height to db transaction")); - - Dbt_copy<uint64_t> unlock_time(tx.unlock_time); - if (m_tx_unlocks->put(DB_DEFAULT_TX, &val_h, &unlock_time, 0)) - throw0(DB_ERROR("Failed to add tx unlock time to db transaction")); -} - -void BlockchainBDB::remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> val_h(tx_hash); - if (m_txs->exists(DB_DEFAULT_TX, &val_h, 0)) - throw1(TX_DNE("Attempting to remove transaction that isn't in the db")); - - if (m_txs->del(DB_DEFAULT_TX, &val_h, 0)) - throw1(DB_ERROR("Failed to add removal of tx to db transaction")); - if (m_tx_unlocks->del(DB_DEFAULT_TX, &val_h, 0)) - throw1(DB_ERROR("Failed to add removal of tx unlock time to db transaction")); - if (m_tx_heights->del(DB_DEFAULT_TX, &val_h, 0)) - throw1(DB_ERROR("Failed to add removal of tx block height to db transaction")); - - remove_tx_outputs(tx_hash, tx); - - auto result = m_tx_outputs->del(DB_DEFAULT_TX, &val_h, 0); - if (result == DB_NOTFOUND) - LOG_PRINT_L1("tx has no outputs to remove: " << tx_hash); - else if (result) - throw1(DB_ERROR("Failed to add removal of tx outputs to db transaction")); -} - -void BlockchainBDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time, const rct::key *commitment) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> k(m_num_outputs + 1); - Dbt_copy<crypto::hash> v(tx_hash); - - if (m_output_txs->put(DB_DEFAULT_TX, &k, &v, 0)) - throw0(DB_ERROR("Failed to add output tx hash to db transaction")); - if (m_tx_outputs->put(DB_DEFAULT_TX, &v, &k, 0)) - throw0(DB_ERROR("Failed to add tx output index to db transaction")); - - Dbt_copy<uint64_t> val_local_index(local_index); - if (m_output_indices->put(DB_DEFAULT_TX, &k, &val_local_index, 0)) - throw0(DB_ERROR("Failed to add tx output index to db transaction")); - - Dbt_copy<uint64_t> val_amount(tx_output.amount); - if (m_output_amounts->put(DB_DEFAULT_TX, &val_amount, &k, 0)) - throw0(DB_ERROR("Failed to add output amount to db transaction.")); - - if (tx_output.target.type() == typeid(txout_to_key)) - { - output_data_t od; - od.pubkey = boost::get < txout_to_key > (tx_output.target).key; - od.unlock_time = unlock_time; - od.height = m_height; - - Dbt_copy<output_data_t> data(od); - if (m_output_keys->put(DB_DEFAULT_TX, &k, &data, 0)) - throw0(DB_ERROR("Failed to add output pubkey to db transaction")); - } - else - { - throw0(DB_ERROR("Wrong output type: expected txout_to_key")); - } - - m_num_outputs++; -} - -void BlockchainBDB::remove_tx_outputs(const crypto::hash& tx_hash, const transaction& tx) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - - bdb_cur cur(DB_DEFAULT_TX, m_tx_outputs); - - Dbt_copy<crypto::hash> k(tx_hash); - Dbt_copy<uint32_t> v; - - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - { - LOG_PRINT_L2("tx has no outputs, so no global output indices"); - } - else if (result) - { - throw0(DB_ERROR("DB error attempting to get an output")); - } - else - { - result = cur->get(&k, &v, DB_NEXT_NODUP); - if (result != 0 && result != DB_NOTFOUND) - throw0(DB_ERROR("DB error attempting to get next non-duplicate tx hash")); - - if (result == 0) - result = cur->get(&k, &v, DB_PREV); - else if (result == DB_NOTFOUND) - result = cur->get(&k, &v, DB_LAST); - - db_recno_t num_elems = 0; - cur->count(&num_elems, 0); - - // remove in order: from newest to oldest - for (uint64_t i = num_elems; i > 0; --i) - { - const tx_out tx_output = tx.vout[i-1]; - remove_output(v, tx_output.amount); - if (i > 1) - { - cur->get(&k, &v, DB_PREV_DUP); - } - } - } - - cur.close(); -} - -// TODO: probably remove this function -void BlockchainBDB::remove_output(const tx_out& tx_output) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__ << " (unused version - does nothing)"); - return; -} - -void BlockchainBDB::remove_output(const uint64_t& out_index, const uint64_t amount) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> k(out_index); - - auto result = m_output_indices->del(DB_DEFAULT_TX, &k, 0); - if (result == DB_NOTFOUND) - { - LOG_PRINT_L0("Unexpected: global output index not found in m_output_indices"); - } - else if (result) - { - throw1(DB_ERROR("Error adding removal of output tx index to db transaction")); - } - - result = m_output_txs->del(DB_DEFAULT_TX, &k, 0); - // if (result != 0 && result != DB_NOTFOUND) - // throw1(DB_ERROR("Error adding removal of output tx hash to db transaction")); - if (result == DB_NOTFOUND) - { - LOG_PRINT_L0("Unexpected: global output index not found in m_output_txs"); - } - else if (result) - { - throw1(DB_ERROR("Error adding removal of output tx hash to db transaction")); - } - - result = m_output_keys->del(DB_DEFAULT_TX, &k, 0); - if (result == DB_NOTFOUND) - { - LOG_PRINT_L0("Unexpected: global output index not found in m_output_keys"); - } - else if (result) - throw1(DB_ERROR("Error adding removal of output pubkey to db transaction")); - - remove_amount_output_index(amount, out_index); - - m_num_outputs--; -} - -void BlockchainBDB::remove_amount_output_index(const uint64_t amount, const uint64_t global_output_index) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_output_amounts); - - Dbt_copy<uint64_t> k(amount); - Dbt_copy<uint32_t> v; - - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - else if (result) - throw0(DB_ERROR("DB error attempting to get an output")); - - db_recno_t num_elems = 0; - cur->count(&num_elems, 0); - - // workaround for Berkeley DB to start at end of k's duplicate list: - // if next key exists: - // - move cursor to start of next key's duplicate list, then move back one - // duplicate element to reach the end of the original key's duplicate - // list. - // - // else if the next key doesn't exist: - // - that means we're already on the last key. - // - move cursor to last element in the db, which is the last element of - // the desired key's duplicate list. - - result = cur->get(&k, &v, DB_NEXT_NODUP); - if (result != 0 && result != DB_NOTFOUND) - throw0(DB_ERROR("DB error attempting to get next non-duplicate output amount")); - - if (result == 0) - result = cur->get(&k, &v, DB_PREV); - else if (result == DB_NOTFOUND) - result = cur->get(&k, &v, DB_LAST); - - bool found_index = false; - uint64_t amount_output_index = 0; - uint64_t goi = 0; - - for (uint64_t i = num_elems; i > 0; --i) - { - goi = v; - if (goi == global_output_index) - { - amount_output_index = i-1; - found_index = true; - break; - } - if (i > 1) - cur->get(&k, &v, DB_PREV_DUP); - } - - if (found_index) - { - // found the amount output index - // now delete it - result = cur->del(0); - if (result) - throw0(DB_ERROR(std::string("Error deleting amount output index ").append(boost::lexical_cast<std::string>(amount_output_index)).c_str())); - } - else - { - // not found - throw1(OUTPUT_DNE("Failed to find amount output index")); - } - cur.close(); -} - -void BlockchainBDB::add_spent_key(const crypto::key_image& k_image) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::key_image> val_key(k_image); - if (m_spent_keys->exists(DB_DEFAULT_TX, &val_key, 0) == 0) - throw1(KEY_IMAGE_EXISTS("Attempting to add spent key image that's already in the db")); - - Dbt_copy<char> val('\0'); - if (m_spent_keys->put(DB_DEFAULT_TX, &val_key, &val, 0)) - throw1(DB_ERROR("Error adding spent key image to db transaction.")); -} - -void BlockchainBDB::remove_spent_key(const crypto::key_image& k_image) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::key_image> k(k_image); - auto result = m_spent_keys->del(DB_DEFAULT_TX, &k, 0); - if (result != 0 && result != DB_NOTFOUND) - throw1(DB_ERROR("Error adding removal of key image to db transaction")); -} - -bool BlockchainBDB::for_all_key_images(std::function<bool(const crypto::key_image&)> f) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_spent_keys); - - Dbt_copy<crypto::key_image> k; - Dbt_copy<char> v; - bool ret = true; - int result; - while ((result = cur->get(&k, &v, DB_NEXT)) == 0) - { - if (!f(k)) - { - ret = false; - break; - } - } - if (result != DB_NOTFOUND) - ret = false; - - cur.close(); - return ret; -} - -bool BlockchainBDB::for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)> f) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_blocks); - - Dbt_copy<uint32_t> k; - Dbt_safe v; - bool ret = true; - int result; - while ((result = cur->get(&k, &v, DB_NEXT)) == 0) - { - uint64_t height = k - 1; - blobdata bd; - bd.assign(reinterpret_cast<char*>(v.get_data()), v.get_size()); - block b; - if (!parse_and_validate_block_from_blob(bd, b)) - throw0(DB_ERROR("Failed to parse block from blob retrieved from the db")); - crypto::hash hash; - if (!get_block_hash(b, hash)) - throw0(DB_ERROR("Failed to get block hash from blob retrieved from the db")); - if (!f(height, hash, b)) - { - ret = false; - break; - } - } - if (result != DB_NOTFOUND) - ret = false; - - cur.close(); - return ret; -} - -bool BlockchainBDB::for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)> f, bool pruned) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_txs); - - Dbt_copy<crypto::hash> k; - Dbt_safe v; - bool ret = true; - int result; - while ((result = cur->get(&k, &v, DB_NEXT)) == 0) - { - blobdata bd; - bd.assign(reinterpret_cast<char*>(v.get_data()), v.get_size()); - transaction tx; - if (!parse_and_validate_tx_from_blob(bd, tx)) - throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db")); - if (!f(k, tx)) - { - ret = false; - break; - } - } - if (result != DB_NOTFOUND) - ret = false; - - cur.close(); - return ret; -} - -bool BlockchainBDB::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_output_amounts); - - Dbt_copy<uint64_t> k; - Dbt_copy<uint32_t> v; - bool ret = true; - int result; - while ((result = cur->get(&k, &v, DB_NEXT)) == 0) - { - uint32_t global_index = v - 1; - tx_out_index toi = get_output_tx_and_index_from_global(global_index); - if (!f(k, toi.first, toi.second)) - { - ret = false; - break; - } - } - if (result != DB_NOTFOUND) - ret = false; - - cur.close(); - return ret; -} - -uint64_t BlockchainBDB::get_output_global_index(const uint64_t& amount, const uint64_t& index) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - std::vector < uint64_t > offsets; - std::vector < uint64_t > global_indices; - offsets.push_back(index); - get_output_global_indices(amount, offsets, global_indices); - if (!global_indices.size()) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - - return global_indices[0]; -} - -void BlockchainBDB::check_open() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - if (!m_open) - throw0(DB_ERROR("DB operation attempted on a not-open DB instance")); -} - -BlockchainBDB::~BlockchainBDB() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - - if (m_open) - { - close(); - } -} - -BlockchainBDB::BlockchainBDB(bool batch_transactions) : - BlockchainDB(), - m_buffer(DB_BUFFER_COUNT, DB_BUFFER_LENGTH) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - // initialize folder to something "safe" just in case - // someone accidentally misuses this class... - m_folder = "thishsouldnotexistbecauseitisgibberish"; - m_run_checkpoint = 0; - m_batch_transactions = batch_transactions; - m_write_txn = nullptr; - m_height = 0; - - m_hardfork = nullptr; -} - -void BlockchainBDB::open(const std::string& filename, const int db_flags) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - - if (m_open) - throw0(DB_OPEN_FAILURE("Attempted to open db, but it's already open")); - - boost::filesystem::path direc(filename); - if (boost::filesystem::exists(direc)) - { - if (!boost::filesystem::is_directory(direc)) - throw0(DB_OPEN_FAILURE("DB needs a directory path, but a file was passed")); - } - else - { - if (!boost::filesystem::create_directories(direc)) - throw0(DB_OPEN_FAILURE(std::string("Failed to create directory ").append(filename).c_str())); - } - - m_folder = filename; - - try - { - - //Create BerkeleyDB environment - m_env = new DbEnv(0); // no flags needed for DbEnv - - uint32_t db_env_open_flags = DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN | DB_RECOVER | DB_THREAD; - - // Set some default values for these parameters. - // They can be overridden using the DB_CONFIG file. - m_env->set_cachesize(0, DB_DEF_CACHESIZE, 1); - m_env->set_lk_max_locks(DB_MAX_LOCKS); - m_env->set_lk_max_lockers(DB_MAX_LOCKS); - m_env->set_lk_max_objects(DB_MAX_LOCKS); - - #ifndef __OpenBSD__ //OpenBSD's DB package is too old to support this feature - if(m_auto_remove_logs) - m_env->log_set_config(DB_LOG_AUTO_REMOVE, 1); - #endif - - // last parameter left 0, files will be created with default rw access - m_env->open(filename.c_str(), db_env_open_flags, 0); - m_env->set_flags(db_flags, 1); - - // begin transaction to init dbs - bdb_txn_safe txn; - m_env->txn_begin(NULL, txn, 0); - - // create Dbs in the environment - m_blocks = new Db(m_env, 0); - m_block_heights = new Db(m_env, 0); - m_block_hashes = new Db(m_env, 0); - m_block_timestamps = new Db(m_env, 0); - m_block_sizes = new Db(m_env, 0); - m_block_diffs = new Db(m_env, 0); - m_block_coins = new Db(m_env, 0); - - m_txs = new Db(m_env, 0); - m_tx_unlocks = new Db(m_env, 0); - m_tx_heights = new Db(m_env, 0); - m_tx_outputs = new Db(m_env, 0); - - m_output_txs = new Db(m_env, 0); - m_output_indices = new Db(m_env, 0); - m_output_amounts = new Db(m_env, 0); - m_output_keys = new Db(m_env, 0); - - m_spent_keys = new Db(m_env, 0); - - m_hf_starting_heights = new Db(m_env, 0); - m_hf_versions = new Db(m_env, 0); - - m_properties = new Db(m_env, 0); - - // Tell DB about Dbs that need duplicate support - // Note: no need to tell about sorting, - // as the default is insertion order, which we want - m_tx_outputs->set_flags(DB_DUP); - m_output_amounts->set_flags(DB_DUP); - - // Tell DB about fixed-size values. - m_block_hashes->set_re_len(sizeof(crypto::hash)); - m_block_timestamps->set_re_len(sizeof(uint64_t)); - m_block_sizes->set_re_len(sizeof(size_t)); // should really store block size as uint64_t... - m_block_diffs->set_re_len(sizeof(difficulty_type)); - m_block_coins->set_re_len(sizeof(uint64_t)); - - m_output_txs->set_re_len(sizeof(crypto::hash)); - m_output_indices->set_re_len(sizeof(uint64_t)); - m_output_keys->set_re_len(sizeof(output_data_t)); - - m_hf_starting_heights->set_re_len(sizeof(uint64_t)); - m_hf_versions->set_re_len(sizeof(uint8_t)); - - //TODO: Find out if we need to do Db::set_flags(DB_RENUMBER) - // for the RECNO databases. We shouldn't as we're only - // inserting/removing from the end, but we'll see. - - // open Dbs in the environment - // m_tx_outputs and m_output_amounts must be DB_HASH or DB_BTREE - // because they need duplicate entry support. The rest are DB_RECNO, - // as it seems that will be the most performant choice. - m_blocks->open(txn, BDB_BLOCKS, NULL, DB_RECNO, DB_CREATE, 0); - - m_block_timestamps->open(txn, BDB_BLOCK_TIMESTAMPS, NULL, DB_RECNO, DB_CREATE, 0); - m_block_heights->open(txn, BDB_BLOCK_HEIGHTS, NULL, DB_HASH, DB_CREATE, 0); - m_block_hashes->open(txn, BDB_BLOCK_HASHES, NULL, DB_RECNO, DB_CREATE, 0); - m_block_sizes->open(txn, BDB_BLOCK_SIZES, NULL, DB_RECNO, DB_CREATE, 0); - m_block_diffs->open(txn, BDB_BLOCK_DIFFS, NULL, DB_RECNO, DB_CREATE, 0); - m_block_coins->open(txn, BDB_BLOCK_COINS, NULL, DB_RECNO, DB_CREATE, 0); - - m_txs->open(txn, BDB_TXS, NULL, DB_HASH, DB_CREATE, 0); - m_tx_unlocks->open(txn, BDB_TX_UNLOCKS, NULL, DB_HASH, DB_CREATE, 0); - m_tx_heights->open(txn, BDB_TX_HEIGHTS, NULL, DB_HASH, DB_CREATE, 0); - m_tx_outputs->open(txn, BDB_TX_OUTPUTS, NULL, DB_HASH, DB_CREATE, 0); - - m_output_txs->open(txn, BDB_OUTPUT_TXS, NULL, DB_RECNO, DB_CREATE, 0); - m_output_indices->open(txn, BDB_OUTPUT_INDICES, NULL, DB_RECNO, DB_CREATE, 0); - m_output_amounts->open(txn, BDB_OUTPUT_AMOUNTS, NULL, DB_HASH, DB_CREATE, 0); - m_output_keys->open(txn, BDB_OUTPUT_KEYS, NULL, DB_RECNO, DB_CREATE, 0); - - m_spent_keys->open(txn, BDB_SPENT_KEYS, NULL, DB_HASH, DB_CREATE, 0); - - m_hf_starting_heights->open(txn, BDB_HF_STARTING_HEIGHTS, NULL, DB_RECNO, DB_CREATE, 0); - m_hf_versions->open(txn, BDB_HF_VERSIONS, NULL, DB_RECNO, DB_CREATE, 0); - - m_properties->open(txn, BDB_PROPERTIES, NULL, DB_HASH, DB_CREATE, 0); - - txn.commit(); - - DB_BTREE_STAT* stats; - - // DB_FAST_STAT can apparently cause an incorrect number of records - // to be returned. The flag should be set to 0 instead if this proves - // to be the case. - - // ND: The bug above can occur when a block is popped and the application - // exits without pushing a new block to the db. Set txn to NULL and DB_FAST_STAT - // to zero (0) for reliability. - m_blocks->stat(NULL, &stats, 0); - m_height = stats->bt_nkeys; - free(stats); - - // see above comment about DB_FAST_STAT - m_output_indices->stat(NULL, &stats, 0); - m_num_outputs = stats->bt_nkeys; - free(stats); - - // checks for compatibility - bool compatible = true; - - Dbt_copy<const char*> key("version"); - Dbt_copy<uint32_t> result; - auto get_result = m_properties->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == 0) - { - if (result > VERSION) - { - LOG_PRINT_RED_L0("Existing BerkeleyDB database was made by a later version. We don't know how it will change yet."); - compatible = false; - } -#if VERSION > 0 - else if (result < VERSION) - { - compatible = false; - } -#endif - } - else - { - // if not found, but we're on version 0, it's fine. If the DB's empty, it's fine too. - if (VERSION > 0 && m_height > 0) - compatible = false; - } - - if (!compatible) - { - m_open = false; - LOG_PRINT_RED_L0("Existing BerkeleyDB database is incompatible with this version."); - LOG_PRINT_RED_L0("Please delete the existing database and resync."); - return; - } - - if (1 /* this can't be set readonly atm */) - { - // only write version on an empty DB - if (m_height == 0) - { - Dbt_copy<const char*> k("version"); - Dbt_copy<uint32_t> v(VERSION); - auto put_result = m_properties->put(DB_DEFAULT_TX, &k, &v, 0); - if (put_result != 0) - { - m_open = false; - LOG_PRINT_RED_L0("Failed to write version to database."); - return; - } - } - } - - // run checkpoint thread - m_run_checkpoint = true; - m_checkpoint_thread.reset(new boost::thread(&BlockchainBDB::checkpoint_worker, this)); - } - catch (const std::exception& e) - { - throw0(DB_OPEN_FAILURE(e.what())); - } - - m_open = true; -} - -void BlockchainBDB::close() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - this->sync(); - - m_run_checkpoint = false; - m_checkpoint_thread->join(); - m_checkpoint_thread.reset(); - - // FIXME: not yet thread safe!!! Use with care. - m_open = false; - - // DB_FORCESYNC is only available on newer version of libdb. - // The libdb doc says using the DB_FORCESYNC flag to DB_ENV->close - // is "similar to calling the DB->close(0) method to close each - // database handle". So this is what we do here as a fallback. -#ifdef DB_FORCESYNC - m_env->close(DB_FORCESYNC); -#else - m_blocks->close(0); - m_block_heights->close(0); - m_block_hashes->close(0); - m_block_timestamps->close(0); - m_block_sizes->close(0); - m_block_diffs->close(0); - m_block_coins->close(0); - - m_txs->close(0); - m_tx_unlocks->close(0); - m_tx_heights->close(0); - m_tx_outputs->close(0); - - m_output_txs->close(0); - m_output_indices->close(0); - m_output_amounts->close(0); - m_output_keys->close(0); - - m_spent_keys->close(0); - - m_hf_starting_heights->close(0); - m_hf_versions->close(0); - - m_properties->close(0); - - m_env->close(0); -#endif -} - -void BlockchainBDB::sync() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - try - { - m_blocks->sync(0); - m_block_heights->sync(0); - m_block_hashes->sync(0); - m_block_timestamps->sync(0); - m_block_sizes->sync(0); - m_block_diffs->sync(0); - m_block_coins->sync(0); - - m_txs->sync(0); - m_tx_unlocks->sync(0); - m_tx_heights->sync(0); - m_tx_outputs->sync(0); - - m_output_txs->sync(0); - m_output_indices->sync(0); - m_output_amounts->sync(0); - m_output_keys->sync(0); - - m_spent_keys->sync(0); - - if (m_hf_starting_heights != nullptr) - m_hf_starting_heights->sync(0); - if (m_hf_versions != nullptr) - m_hf_versions->sync(0); - - m_properties->sync(0); - } - catch (const std::exception& e) - { - throw0(DB_ERROR(std::string("Failed to sync database: ").append(e.what()).c_str())); - } -} - -void BlockchainBDB::reset() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_txn_safe txn; - if (m_env->txn_begin(NULL, txn, 0)) - throw0(DB_ERROR("Failed to create a transaction for the db")); - m_write_txn = &txn; - try - { - uint32_t count; - - m_blocks->truncate(*m_write_txn, &count, 0); - m_block_heights->truncate(*m_write_txn, &count, 0); - m_block_hashes->truncate(*m_write_txn, &count, 0); - m_block_timestamps->truncate(*m_write_txn, &count, 0); - m_block_sizes->truncate(*m_write_txn, &count, 0); - m_block_diffs->truncate(*m_write_txn, &count, 0); - m_block_coins->truncate(*m_write_txn, &count, 0); - - m_txs->truncate(*m_write_txn, &count, 0); - m_tx_unlocks->truncate(*m_write_txn, &count, 0); - m_tx_heights->truncate(*m_write_txn, &count, 0); - m_tx_outputs->truncate(*m_write_txn, &count, 0); - - m_output_txs->truncate(*m_write_txn, &count, 0); - m_output_indices->truncate(*m_write_txn, &count, 0); - m_output_amounts->truncate(*m_write_txn, &count, 0); - m_output_keys->truncate(*m_write_txn, &count, 0); - - m_spent_keys->truncate(*m_write_txn, &count, 0); - - m_hf_starting_heights->truncate(*m_write_txn, &count, 0); - m_hf_versions->truncate(*m_write_txn, &count, 0); - - m_properties->truncate(*m_write_txn, &count, 0); - } - catch (const std::exception& e) - { - throw0(DB_ERROR(std::string("Failed to reset database: ").append(e.what()).c_str())); - } - m_write_txn = NULL; -} - -std::vector<std::string> BlockchainBDB::get_filenames() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - std::vector<std::string> filenames; - - char *fname, *dbname; - const char **pfname, **pdbname; - - pfname = (const char **)&fname; - pdbname = (const char **)&dbname; - - m_blocks->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_heights->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_hashes->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_timestamps->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_sizes->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_diffs->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_block_coins->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_txs->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_tx_unlocks->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_tx_heights->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_tx_outputs->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_output_txs->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_output_indices->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_output_amounts->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_output_keys->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_spent_keys->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_hf_starting_heights->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_hf_versions->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - m_properties->get_dbname(pfname, pdbname); - filenames.push_back(fname); - - std::vector<std::string> full_paths; - - for (auto& filename : filenames) - { - boost::filesystem::path p(m_folder); - p /= filename; - full_paths.push_back(p.string()); - } - - return full_paths; -} - -bool BlockchainBDB::remove_data_file(const std::string& folder) -{ - return true; -} - -std::string BlockchainBDB::get_db_name() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - - return std::string("BerkeleyDB"); -} - -// TODO: this? -bool BlockchainBDB::lock() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - return false; -} - -// TODO: this? -void BlockchainBDB::unlock() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); -} - -bool BlockchainBDB::block_exists(const crypto::hash& h, uint64_t *height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - - auto get_result = m_block_heights->exists(DB_DEFAULT_TX, &key, 0); - if (get_result == DB_NOTFOUND) - { - LOG_PRINT_L3("Block with hash " << epee::string_tools::pod_to_hex(h) << " not found in db"); - return false; - } - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch block index from hash")); - - if (height) - *height = get_result - 1; - - return true; -} - -block BlockchainBDB::get_block(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - return get_block_from_height(get_block_height(h)); -} - -uint64_t BlockchainBDB::get_block_height(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - Dbt_copy<uint32_t> result; - - auto get_result = m_block_heights->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - throw1(BLOCK_DNE("Attempted to retrieve non-existent block height")); - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a block height from the db")); - - return result - 1; -} - -block_header BlockchainBDB::get_block_header(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - // block_header object is automatically cast from block object - return get_block(h); -} - -block BlockchainBDB::get_block_from_height(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_safe result; - auto get_result = m_blocks->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get block from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a block from the db")); - - blobdata bd; - bd.assign(reinterpret_cast<char*>(result.get_data()), result.get_size()); - - block b; - if (!parse_and_validate_block_from_blob(bd, b)) - throw0(DB_ERROR("Failed to parse block from blob retrieved from the db")); - - return b; -} - -uint64_t BlockchainBDB::get_block_timestamp(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<uint64_t> result; - auto get_result = m_block_timestamps->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a timestamp from the db")); - - return result; -} - -uint64_t BlockchainBDB::get_top_block_timestamp() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - // if no blocks, return 0 - if (m_height == 0) - { - return 0; - } - - return get_block_timestamp(m_height - 1); -} - -size_t BlockchainBDB::get_block_weight(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<size_t> result; - auto get_result = m_block_sizes->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a block size from the db")); - - return result; -} - -difficulty_type BlockchainBDB::get_block_cumulative_difficulty(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__ << " height: " << height); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<difficulty_type> result; - auto get_result = m_block_diffs->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db")); - - return result; -} - -difficulty_type BlockchainBDB::get_block_difficulty(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - difficulty_type diff1 = 0; - difficulty_type diff2 = 0; - - diff1 = get_block_cumulative_difficulty(height); - if (height != 0) - { - diff2 = get_block_cumulative_difficulty(height - 1); - } - - return diff1 - diff2; -} - -uint64_t BlockchainBDB::get_block_already_generated_coins(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<uint64_t> result; - auto get_result = m_block_coins->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a total generated coins from the db")); - - return result; -} - -crypto::hash BlockchainBDB::get_block_hash_from_height(const uint64_t& height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<crypto::hash> result; - auto get_result = m_block_hashes->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw0(BLOCK_DNE(std::string("Attempt to get hash from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- hash not in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve a block hash from the db.")); - - return result; -} - -std::vector<block> BlockchainBDB::get_blocks_range(const uint64_t& h1, const uint64_t& h2) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - std::vector<block> v; - - for (uint64_t height = h1; height <= h2; ++height) - { - v.push_back(get_block_from_height(height)); - } - - return v; -} - -std::vector<crypto::hash> BlockchainBDB::get_hashes_range(const uint64_t& h1, const uint64_t& h2) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - std::vector<crypto::hash> v; - - for (uint64_t height = h1; height <= h2; ++height) - { - v.push_back(get_block_hash_from_height(height)); - } - - return v; -} - -crypto::hash BlockchainBDB::top_block_hash() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - if (m_height > 0) - { - return get_block_hash_from_height(m_height - 1); - } - - return null_hash; -} - -block BlockchainBDB::get_top_block() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - if (m_height > 0) - { - return get_block_from_height(m_height - 1); - } - - block b; - return b; -} - -uint64_t BlockchainBDB::height() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - return m_height; -} - -bool BlockchainBDB::tx_exists(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - - TIME_MEASURE_START(time1); - auto get_result = m_txs->exists(DB_DEFAULT_TX, &key, 0); - TIME_MEASURE_FINISH(time1); - time_tx_exists += time1; - if (get_result == DB_NOTFOUND) - { - LOG_PRINT_L1("transaction with hash " << epee::string_tools::pod_to_hex(h) << " not found in db"); - return false; - } - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch transaction from hash")); - - return true; -} - -uint64_t BlockchainBDB::get_tx_unlock_time(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - Dbt_copy<uint64_t> result; - auto get_result = m_tx_unlocks->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - throw1(TX_DNE(std::string("tx unlock time with hash ").append(epee::string_tools::pod_to_hex(h)).append(" not found in db").c_str())); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch tx unlock time from hash")); - - return result; -} - -transaction BlockchainBDB::get_tx(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - Dbt_safe result; - auto get_result = m_txs->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - throw1(TX_DNE(std::string("tx with hash ").append(epee::string_tools::pod_to_hex(h)).append(" not found in db").c_str())); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch tx from hash")); - - blobdata bd; - bd.assign(reinterpret_cast<char*>(result.get_data()), result.get_size()); - - transaction tx; - if (!parse_and_validate_tx_from_blob(bd, tx)) - throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db")); - - return tx; -} - -uint64_t BlockchainBDB::get_tx_count() const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - DB_BTREE_STAT* stats; - - // DB_FAST_STAT can apparently cause an incorrect number of records - // to be returned. The flag should be set to 0 instead if this proves - // to be the case. - m_txs->stat(DB_DEFAULT_TX, &stats, DB_FAST_STAT); - auto num_txs = stats->bt_nkeys; - delete stats; - - return num_txs; -} - -std::vector<transaction> BlockchainBDB::get_tx_list(const std::vector<crypto::hash>& hlist) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - std::vector<transaction> v; - -for (auto& h : hlist) - { - v.push_back(get_tx(h)); - } - - return v; -} - -uint64_t BlockchainBDB::get_tx_block_height(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::hash> key(h); - Dbt_copy<uint64_t> result; - auto get_result = m_tx_heights->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND) - { - throw1(TX_DNE(std::string("tx height with hash ").append(epee::string_tools::pod_to_hex(h)).append(" not found in db").c_str())); - } - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch tx height from hash")); - - return (uint64_t)result - 1; -} - -uint64_t BlockchainBDB::get_num_outputs(const uint64_t& amount) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_output_amounts); - - Dbt_copy<uint64_t> k(amount); - Dbt_copy<uint32_t> v; - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - { - return 0; - } - else if (result) - throw0(DB_ERROR("DB error attempting to get number of outputs of an amount")); - - db_recno_t num_elems = 0; - cur->count(&num_elems, 0); - - cur.close(); - - return num_elems; -} - -output_data_t BlockchainBDB::get_output_key(const uint64_t& global_index) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> k(global_index); - Dbt_copy<output_data_t> v; - auto get_result = m_output_keys->get(DB_DEFAULT_TX, &k, &v, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("Attempting to get output pubkey by global index, but key does not exist")); - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve an output pubkey from the db")); - - return v; -} - -output_data_t BlockchainBDB::get_output_key(const uint64_t& amount, const uint64_t& index) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - uint64_t glob_index = get_output_global_index(amount, index); - return get_output_key(glob_index); -} - -tx_out_index BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - std::vector < uint64_t > offsets; - std::vector<tx_out_index> indices; - offsets.push_back(index); - get_output_tx_and_index(amount, offsets, indices); - if (!indices.size()) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - - return indices[0]; -} - -std::vector<uint64_t> BlockchainBDB::get_tx_amount_output_indices(const crypto::hash& h) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - std::vector<uint64_t> index_vec; - std::vector<uint64_t> index_vec2; - - // get the transaction's global output indices first - index_vec = get_tx_output_indices(h); - // these are next used to obtain the amount output indices - - transaction tx = get_tx(h); - - uint64_t i = 0; - uint64_t global_index; - for (const auto& vout : tx.vout) - { - uint64_t amount = vout.amount; - - global_index = index_vec[i]; - - bdb_cur cur(DB_DEFAULT_TX, m_output_amounts); - - Dbt_copy<uint64_t> k(amount); - Dbt_copy<uint32_t> v; - - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - else if (result) - throw0(DB_ERROR("DB error attempting to get an output")); - - db_recno_t num_elems = 0; - cur->count(&num_elems, 0); - - uint64_t amount_output_index = 0; - uint64_t output_index = 0; - bool found_index = false; - for (uint64_t j = 0; j < num_elems; ++j) - { - output_index = v; - if (output_index == global_index) - { - amount_output_index = j; - found_index = true; - break; - } - cur->get(&k, &v, DB_NEXT_DUP); - } - if (found_index) - { - index_vec2.push_back(amount_output_index); - } - else - { - // not found - cur.close(); - throw1(OUTPUT_DNE("specified output not found in db")); - } - - cur.close(); - ++i; - } - - return index_vec2; -} - - -tx_out_index BlockchainBDB::get_output_tx_and_index_from_global(const uint64_t& index) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> k(index); - Dbt_copy<crypto::hash > v; - - auto get_result = m_output_txs->get(DB_DEFAULT_TX, &k, &v, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx hash")); - - crypto::hash tx_hash = v; - - Dbt_copy<uint64_t> result; - get_result = m_output_indices->get(DB_DEFAULT_TX, &k, &result, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx index")); - - return tx_out_index(tx_hash, result); -} - -bool BlockchainBDB::has_key_image(const crypto::key_image& img) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<crypto::key_image> val_key(img); - if (m_spent_keys->exists(DB_DEFAULT_TX, &val_key, 0) == 0) - { - return true; - } - - return false; -} - -// Ostensibly BerkeleyDB has batch transaction support built-in, -// so the following few functions will be NOP. - -bool BlockchainBDB::batch_start(uint64_t batch_num_blocks) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - return false; -} - -void BlockchainBDB::batch_commit() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); -} - -void BlockchainBDB::batch_stop() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); -} - -void BlockchainBDB::batch_abort() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); -} - -void BlockchainBDB::set_batch_transactions(bool batch_transactions) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - m_batch_transactions = batch_transactions; - LOG_PRINT_L3("batch transactions " << (m_batch_transactions ? "enabled" : "disabled")); -} - -void BlockchainBDB::block_txn_start(bool readonly) -{ - // TODO -} - -void BlockchainBDB::block_txn_stop() -{ - // TODO -} - -void BlockchainBDB::block_txn_abort() -{ - // TODO -} - -uint64_t BlockchainBDB::add_block(const block& blk, size_t block_weight, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const std::vector<transaction>& txs) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_txn_safe txn; - if (m_env->txn_begin(NULL, txn, 0)) - throw0(DB_ERROR("Failed to create a transaction for the db")); - m_write_txn = &txn; - - uint64_t num_outputs = m_num_outputs; - try - { - BlockchainDB::add_block(blk, block_weight, cumulative_difficulty, coins_generated, txs); - m_write_txn = NULL; - - TIME_MEASURE_START(time1); - txn.commit(); - TIME_MEASURE_FINISH(time1); - time_commit1 += time1; - } - catch (const std::exception& e) - { - m_num_outputs = num_outputs; - m_write_txn = NULL; - throw; - } - - return ++m_height; -} - -void BlockchainBDB::pop_block(block& blk, std::vector<transaction>& txs) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_txn_safe txn; - if (m_env->txn_begin(NULL, txn, 0)) - throw0(DB_ERROR("Failed to create a transaction for the db")); - m_write_txn = &txn; - - uint64_t num_outputs = m_num_outputs; - try - { - BlockchainDB::pop_block(blk, txs); - - m_write_txn = NULL; - txn.commit(); - } - catch (...) - { - m_num_outputs = num_outputs; - m_write_txn = NULL; - throw; - } - - --m_height; -} - -void BlockchainBDB::get_output_tx_and_index_from_global(const std::vector<uint64_t> &global_indices, std::vector<tx_out_index> &tx_out_indices) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - tx_out_indices.clear(); - - for (const uint64_t &index : global_indices) - { - Dbt_copy<uint32_t> k(index); - Dbt_copy<crypto::hash> v; - - auto get_result = m_output_txs->get(DB_DEFAULT_TX, &k, &v, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx hash")); - - crypto::hash tx_hash = v; - - Dbt_copy<uint64_t> result; - get_result = m_output_indices->get(DB_DEFAULT_TX, &k, &result, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx index")); - auto hashindex = tx_out_index(tx_hash, result); - tx_out_indices.push_back(hashindex); - } -} - -void BlockchainBDB::get_output_global_indices(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<uint64_t> &global_indices) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - TIME_MEASURE_START(txx); - check_open(); - - bdb_cur cur(DB_DEFAULT_TX, m_output_amounts); - uint64_t max = 0; - for (const uint64_t& index : offsets) - { - if (index > max) - max = index; - } - - // get returned keypairs count -#define DB_COUNT_RECORDS(dbt, cnt) \ - do { \ - uint32_t *_p = (uint32_t *) ((uint8_t *)(dbt)->data + \ - (dbt)->ulen - sizeof(uint32_t)); \ - cnt = 0; \ - while(*_p != (uint32_t) -1) { \ - _p -= 2; \ - ++cnt; \ - } \ - } while(0); \ - - Dbt_copy<uint64_t> k(amount); - Dbt_copy<uint32_t> v; - uint64_t buflen = 0; - uint64_t t_dbmul = 0; - uint64_t t_dbscan = 0; - - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - else if (result) - throw0(DB_ERROR("DB error attempting to get an output")); - - db_recno_t num_elems = 0; - cur->count(&num_elems, 0); - - if (max <= 1 && num_elems <= max) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but output not found")); - - TIME_MEASURE_START(db2); - if (max <= 1) - { - for (const uint64_t& index : offsets) - { - TIME_MEASURE_START(t_seek); - - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - else if (result) - throw0(DB_ERROR("DB error attempting to get an output")); - - for (uint64_t i = 0; i < index; ++i) - cur->get(&k, &v, DB_NEXT_DUP); - - uint64_t glob_index = v; - - LOG_PRINT_L3("L0->v: " << glob_index); - global_indices.push_back(glob_index); - - TIME_MEASURE_FINISH(t_seek); - } - } - else - { - // setup a 256KB minimum buffer size - uint32_t pagesize = 256 * 1024; - - // Retrieve only a suitable portion of the kvp data, up to somewhere near - // the maximum offset value being retrieved - buflen = (max + 1) * 4 * sizeof(uint64_t); - buflen = ((buflen / pagesize) + ((buflen % pagesize) > 0 ? 1 : 0)) * pagesize; - - bool nomem = false; - Dbt data; - - bool singlebuff = buflen <= m_buffer.get_buffer_size(); - buflen = buflen < m_buffer.get_buffer_size() ? buflen : m_buffer.get_buffer_size(); - bdb_safe_buffer_t::type buffer = nullptr; - bdb_safe_buffer_autolock<bdb_safe_buffer_t> lock(m_buffer, buffer); - - data.set_data(buffer); - data.set_ulen(buflen); - data.set_size(buflen); - data.set_flags(DB_DBT_USERMEM); - - uint32_t curcount = 0; - uint32_t blockstart = 0; - for (const uint64_t& index : offsets) - { - if (index >= num_elems) - { - LOG_PRINT_L1("Index: " << index << " Elems: " << num_elems << " partial results found for get_output_tx_and_index"); - break; - } - - // fixme! for whatever reason, the first call to DB_MULTIPLE | DB_SET does not - // retrieve the first value. - if (index <= 1 || nomem) - { - auto result = cur->get(&k, &v, DB_SET); - if (result == DB_NOTFOUND) - { - throw1(OUTPUT_DNE("Attempting to get an output index by amount and amount index, but amount not found")); - } - else if (result) - { - throw0(DB_ERROR("DB error attempting to get an output")); - } - - for (uint64_t i = 0; i < index; ++i) - cur->get(&k, &v, DB_NEXT_DUP); - } - else - { - while (index >= curcount) - { - TIME_MEASURE_START(t_db1); - try - { - cur->get(&k, &data, DB_MULTIPLE | (curcount == 0 ? DB_SET : DB_NEXT_DUP)); - blockstart = curcount; - - int count = 0; - DB_COUNT_RECORDS((DBT * ) &data, count); - curcount += count; - } - catch (const std::exception &e) - { - cur.close(); - throw0(DB_ERROR(std::string("Failed on DB_MULTIPLE: ").append(e.what()).c_str())); - } - - TIME_MEASURE_FINISH(t_db1); - t_dbmul += t_db1; - if (singlebuff) - break; - } - - LOG_PRINT_L3("Records returned: " << curcount << " Index: " << index); - TIME_MEASURE_START(t_db2); - DBT *pdata = (DBT *) &data; - - uint8_t *value; - uint64_t dlen = 0; - - void *pbase = ((uint8_t *) (pdata->data)) + pdata->ulen - sizeof(uint32_t); - uint32_t *p = (uint32_t *) pbase; - if (*p == (uint32_t) -1) - { - value = NULL; - } - else - { - p -= (index - blockstart) * 2; // index * 4 + 2; <- if DB_MULTIPLE_KEY - value = (uint8_t *) pdata->data + *p--; - dlen = *p--; - if (value == (uint8_t *) pdata->data) - value = NULL; - } - - if (value != NULL) - { - v = dlen == sizeof(uint64_t) ? *((uint64_t *) value) : *((uint32_t *) value); - } - TIME_MEASURE_FINISH(t_db2); - t_dbscan += t_db2; - } - - uint64_t glob_index = v; - - LOG_PRINT_L3("L1->v: " << glob_index); - global_indices.push_back(glob_index); - } - } - TIME_MEASURE_FINISH(db2); - - cur.close(); - - TIME_MEASURE_FINISH(txx); - - LOG_PRINT_L3("blen: " << buflen << " txx: " << txx << " db1: " << t_dbmul << " db2: " << t_dbscan); - -} - -void BlockchainBDB::get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - TIME_MEASURE_START(txx); - outputs.clear(); - - std::vector < uint64_t > global_indices; - get_output_global_indices(amount, offsets, global_indices); - - TIME_MEASURE_START(db3); - if (global_indices.size() > 0) - { - for (const uint64_t &index : global_indices) - { - Dbt_copy<uint32_t> k(index); - Dbt_copy<output_data_t> v; - - auto get_result = m_output_keys->get(DB_DEFAULT_TX, &k, &v, 0); - if (get_result == DB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx hash")); - - output_data_t data = *(output_data_t *) v.get_data(); - outputs.push_back(data); - } - } - - TIME_MEASURE_FINISH(txx); - LOG_PRINT_L3("db3: " << db3); -} - -void BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - std::vector < uint64_t > global_indices; - get_output_global_indices(amount, offsets, global_indices); - - TIME_MEASURE_START(db3); - if (global_indices.size() > 0) - get_output_tx_and_index_from_global(global_indices, indices); - TIME_MEASURE_FINISH(db3); - - LOG_PRINT_L3("db3: " << db3); -} - -std::map<uint64_t, uint64_t>::BlockchainBDB::get_output_histogram(const std::vector<uint64_t> &amounts) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - throw1(DB_ERROR("Not implemented.")); -} - -void BlockchainBDB::check_hard_fork_info() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - if (m_hf_versions == nullptr) - { - LOG_PRINT_L0("hf versions DB not open, so not checking"); - return; - } - - DB_BTREE_STAT* db_stat1, * db_stat2; - - // DB_FAST_STAT can apparently cause an incorrect number of records - // to be returned. The flag should be set to 0 instead if this proves - // to be the case. - - // Set txn to NULL and DB_FAST_STAT to zero (0) for reliability. - m_blocks->stat(NULL, &db_stat1, 0); - m_hf_versions->stat(NULL, &db_stat2, 0); - if (db_stat1->bt_nkeys != db_stat2->bt_nkeys) - { - LOG_PRINT_L0("num blocks " << db_stat1->bt_nkeys << " != " << "num hf_versions " << db_stat2->bt_nkeys << " - will clear the two hard fork DBs"); - - bdb_txn_safe txn; - bdb_txn_safe* txn_ptr = &txn; - if (m_write_txn) - txn_ptr = m_write_txn; - else - { - if (m_env->txn_begin(NULL, txn, 0)) - throw0(DB_ERROR("Failed to create a transaction for the db")); - } - - try - { - uint32_t count; - m_hf_starting_heights->truncate(*txn_ptr, &count, 0); - LOG_PRINT_L0("hf_starting_heights count: " << count); - m_hf_versions->truncate(*txn_ptr, &count, 0); - LOG_PRINT_L0("hf_versions count: " << count); - - if (!m_write_txn) - txn.commit(); - } - catch (const std::exception& e) - { - throw0(DB_ERROR(std::string("Failed to clear two hard fork DBs: ").append(e.what()).c_str())); - } - } - delete db_stat1; - delete db_stat2; -} - -void BlockchainBDB::drop_hard_fork_info() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - bdb_txn_safe txn; - bdb_txn_safe* txn_ptr = &txn; - if (m_write_txn) - txn_ptr = m_write_txn; - else - { - if (m_env->txn_begin(NULL, txn, 0)) - throw0(DB_ERROR("Failed to create a transaction for the db")); - } - - try - { - m_hf_starting_heights->close(0); - m_hf_versions->close(0); - m_hf_starting_heights = nullptr; - m_hf_versions = nullptr; - if (m_env->dbremove(*txn_ptr, BDB_HF_STARTING_HEIGHTS, NULL, 0) != 0) - LOG_ERROR("Error removing hf_starting_heights"); - if (m_env->dbremove(*txn_ptr, BDB_HF_VERSIONS, NULL, 0) != 0) - LOG_ERROR("Error removing hf_versions"); - - if (!m_write_txn) - txn.commit(); - } - catch (const std::exception& e) - { - throw0(DB_ERROR(std::string("Failed to drop hard fork info: ").append(e.what()).c_str())); - } -} - -void BlockchainBDB::set_hard_fork_version(uint64_t height, uint8_t version) -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> val_key(height + 1); - Dbt_copy<uint8_t> val(version); - if (m_hf_versions->put(DB_DEFAULT_TX, &val_key, &val, 0)) - throw1(DB_ERROR("Error adding hard fork version to db transaction.")); -} - -uint8_t BlockchainBDB::get_hard_fork_version(uint64_t height) const -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - check_open(); - - Dbt_copy<uint32_t> key(height + 1); - Dbt_copy<uint8_t> result; - - auto get_result = m_hf_versions->get(DB_DEFAULT_TX, &key, &result, 0); - if (get_result == DB_NOTFOUND || get_result == DB_KEYEMPTY) - throw0(OUTPUT_DNE("Error attempting to retrieve hard fork version from the db")); - else if (get_result) - throw0(DB_ERROR("Error attempting to retrieve hard fork version from the db")); - - return result; -} - -void BlockchainBDB::checkpoint_worker() const -{ - LOG_PRINT_L0("Entering BDB checkpoint thread."); - int count = 0; - while(m_run_checkpoint && m_open) - { - // sleep every second, so we don't delay exit condition m_run_checkpoint = false - sleep(1); - // checkpoint every 5 minutes - if(count++ >= 300) - { - count = 0; - if(m_env->txn_checkpoint(0, 0, 0) != 0) - { - LOG_PRINT_L0("BDB txn_checkpoint failed."); - break; - } - } - } - LOG_PRINT_L0("Leaving BDB checkpoint thread."); -} - -bool BlockchainBDB::is_read_only() const -{ - return false; -} - -void BlockchainBDB::fixup() -{ - LOG_PRINT_L3("BlockchainBDB::" << __func__); - // Always call parent as well - BlockchainDB::fixup(); -} - -} // namespace cryptonote |