mirror of
https://github.com/monero-project/monero.git
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2205 lines
66 KiB
C++
2205 lines
66 KiB
C++
// Copyright (c) 2014, The Monero Project
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "db_bdb.h"
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#include <boost/filesystem.hpp>
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#include <memory> // std::unique_ptr
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#include <cstring> // memcpy
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "crypto/crypto.h"
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#include "profile_tools.h"
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using epee::string_tools::pod_to_hex;
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#define DB_DEFAULT_TX (m_write_txn != nullptr ? *m_write_txn : (DbTxn*) nullptr)
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// Increase when the DB changes in a non backward compatible way, and there
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// is no automatic conversion, so that a full resync is needed.
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#define VERSION 0
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namespace
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{
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template <typename T>
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inline void throw0(const T &e)
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{
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LOG_PRINT_L0(e.what());
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throw e;
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}
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template <typename T>
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inline void throw1(const T &e)
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{
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LOG_PRINT_L1(e.what());
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throw e;
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}
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// cursor needs to be closed when it goes out of scope,
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// this helps if the function using it throws
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struct bdb_cur
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{
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bdb_cur(DbTxn* txn, Db* dbi)
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{
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if (dbi->cursor(txn, &m_cur, 0))
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throw0(cryptonote::DB_ERROR("Error opening db cursor"));
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done = false;
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}
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~bdb_cur()
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{
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close();
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}
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operator Dbc*()
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{
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return m_cur;
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}
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operator Dbc**()
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{
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return &m_cur;
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}
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Dbc* operator->()
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{
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return m_cur;
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}
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void close()
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{
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if (!done)
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{
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m_cur->close();
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done = true;
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}
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}
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private:
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Dbc* m_cur;
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bool done;
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};
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const char* const BDB_BLOCKS = "blocks";
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const char* const BDB_BLOCK_TIMESTAMPS = "block_timestamps";
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const char* const BDB_BLOCK_HEIGHTS = "block_heights";
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const char* const BDB_BLOCK_HASHES = "block_hashes";
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const char* const BDB_BLOCK_SIZES = "block_sizes";
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const char* const BDB_BLOCK_DIFFS = "block_diffs";
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const char* const BDB_BLOCK_COINS = "block_coins";
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const char* const BDB_TXS = "txs";
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const char* const BDB_TX_UNLOCKS = "tx_unlocks";
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const char* const BDB_TX_HEIGHTS = "tx_heights";
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const char* const BDB_TX_OUTPUTS = "tx_outputs";
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const char* const BDB_OUTPUT_TXS = "output_txs";
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const char* const BDB_OUTPUT_INDICES = "output_indices";
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const char* const BDB_OUTPUT_AMOUNTS = "output_amounts";
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const char* const BDB_OUTPUT_KEYS = "output_keys";
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const char* const BDB_SPENT_KEYS = "spent_keys";
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const char* const BDB_HF_STARTING_HEIGHTS = "hf_starting_heights";
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const char* const BDB_HF_VERSIONS = "hf_versions";
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const char* const BDB_PROPERTIES = "properties";
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const unsigned int MB = 1024 * 1024;
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// ND: FIXME: db keeps running out of locks when doing full syncs. Possible bug??? Set it to 5K for now.
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const unsigned int DB_MAX_LOCKS = 5000;
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const unsigned int DB_BUFFER_LENGTH = 32 * MB;
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// 256MB cache adjust as necessary using DB_CONFIG
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const unsigned int DB_DEF_CACHESIZE = 256 * MB;
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#if defined(BDB_BULK_CAN_THREAD)
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const unsigned int DB_BUFFER_COUNT = std::thread::hardware_concurrency();
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#else
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const unsigned int DB_BUFFER_COUNT = 1;
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#endif
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template<typename T>
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struct Dbt_copy: public Dbt
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{
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Dbt_copy(const T &t) :
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t_copy(t)
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{
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init();
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}
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Dbt_copy()
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{
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init();
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}
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void init()
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{
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set_data(&t_copy);
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set_size(sizeof(T));
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set_ulen(sizeof(T));
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set_flags(DB_DBT_USERMEM);
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}
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operator T()
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{
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return t_copy;
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}
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private:
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T t_copy;
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};
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template<>
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struct Dbt_copy<cryptonote::blobdata>: public Dbt
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{
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Dbt_copy(const cryptonote::blobdata &bd) :
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m_data(new char[bd.size()])
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{
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memcpy(m_data.get(), bd.data(), bd.size());
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set_data(m_data.get());
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set_size(bd.size());
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set_ulen(bd.size());
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set_flags(DB_DBT_USERMEM);
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}
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private:
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std::unique_ptr<char[]> m_data;
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};
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template<>
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struct Dbt_copy<const char*>: public Dbt
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{
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Dbt_copy(const char *s) :
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m_data(strdup(s))
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{
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size_t len = strlen(s) + 1; // include the NUL, makes it easier for compare
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set_data(m_data.get());
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set_size(len);
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set_ulen(len);
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set_flags(DB_DBT_USERMEM);
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}
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private:
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std::unique_ptr<char[]> m_data;
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};
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struct Dbt_safe : public Dbt
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{
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Dbt_safe()
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{
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set_data(NULL);
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set_flags(DB_DBT_MALLOC);
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}
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~Dbt_safe()
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{
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void* buf = get_data();
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if (buf != NULL)
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{
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free(buf);
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}
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}
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};
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} // anonymous namespace
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namespace cryptonote
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{
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void BlockchainBDB::add_block(const block& blk, const size_t& block_size, const difficulty_type& cumulative_difficulty, const uint64_t& coins_generated, const crypto::hash& blk_hash)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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Dbt_copy<crypto::hash> val_h(blk_hash);
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if (m_block_heights->exists(DB_DEFAULT_TX, &val_h, 0) == 0)
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throw1(BLOCK_EXISTS("Attempting to add block that's already in the db"));
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if (m_height > 0)
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{
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Dbt_copy<crypto::hash> parent_key(blk.prev_id);
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Dbt_copy<uint32_t> parent_h;
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if (m_block_heights->get(DB_DEFAULT_TX, &parent_key, &parent_h, 0))
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{
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LOG_PRINT_L3("m_height: " << m_height);
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LOG_PRINT_L3("parent_key: " << blk.prev_id);
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throw0(DB_ERROR("Failed to get top block hash to check for new block's parent"));
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}
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uint32_t parent_height = parent_h;
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if (parent_height != m_height)
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throw0(BLOCK_PARENT_DNE("Top block is not new block's parent"));
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}
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Dbt_copy<uint32_t> key(m_height + 1);
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Dbt_copy<blobdata> blob(block_to_blob(blk));
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auto res = m_blocks->put(DB_DEFAULT_TX, &key, &blob, 0);
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if (res)
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throw0(DB_ERROR("Failed to add block blob to db transaction."));
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Dbt_copy<size_t> sz(block_size);
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if (m_block_sizes->put(DB_DEFAULT_TX, &key, &sz, 0))
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throw0(DB_ERROR("Failed to add block size to db transaction."));
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Dbt_copy<uint64_t> ts(blk.timestamp);
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if (m_block_timestamps->put(DB_DEFAULT_TX, &key, &ts, 0))
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throw0(DB_ERROR("Failed to add block timestamp to db transaction."));
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Dbt_copy<difficulty_type> diff(cumulative_difficulty);
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if (m_block_diffs->put(DB_DEFAULT_TX, &key, &diff, 0))
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throw0(DB_ERROR("Failed to add block cumulative difficulty to db transaction."));
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Dbt_copy<uint64_t> coinsgen(coins_generated);
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if (m_block_coins->put(DB_DEFAULT_TX, &key, &coinsgen, 0))
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throw0(DB_ERROR("Failed to add block total generated coins to db transaction."));
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if (m_block_heights->put(DB_DEFAULT_TX, &val_h, &key, 0))
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throw0(DB_ERROR("Failed to add block height by hash to db transaction."));
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if (m_block_hashes->put(DB_DEFAULT_TX, &key, &val_h, 0))
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throw0(DB_ERROR("Failed to add block hash to db transaction."));
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}
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void BlockchainBDB::remove_block()
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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if (m_height == 0)
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throw0(BLOCK_DNE ("Attempting to remove block from an empty blockchain"));
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Dbt_copy<uint32_t> k(m_height);
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Dbt_copy<crypto::hash> h;
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if (m_block_hashes->get(DB_DEFAULT_TX, &k, &h, 0))
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throw1(BLOCK_DNE("Attempting to remove block that's not in the db"));
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if (m_blocks->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block to db transaction"));
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if (m_block_sizes->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block size to db transaction"));
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if (m_block_diffs->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block cumulative difficulty to db transaction"));
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if (m_block_coins->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block total generated coins to db transaction"));
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if (m_block_timestamps->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block timestamp to db transaction"));
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if (m_block_heights->del(DB_DEFAULT_TX, &h, 0))
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throw1(DB_ERROR("Failed to add removal of block height by hash to db transaction"));
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if (m_block_hashes->del(DB_DEFAULT_TX, &k, 0))
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throw1(DB_ERROR("Failed to add removal of block hash to db transaction"));
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}
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void BlockchainBDB::add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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Dbt_copy<crypto::hash> val_h(tx_hash);
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if (m_txs->exists(DB_DEFAULT_TX, &val_h, 0) == 0)
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throw1(TX_EXISTS("Attempting to add transaction that's already in the db"));
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Dbt_copy<blobdata> blob(tx_to_blob(tx));
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if (m_txs->put(DB_DEFAULT_TX, &val_h, &blob, 0))
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throw0(DB_ERROR("Failed to add tx blob to db transaction"));
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Dbt_copy<uint64_t> height(m_height + 1);
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if (m_tx_heights->put(DB_DEFAULT_TX, &val_h, &height, 0))
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throw0(DB_ERROR("Failed to add tx block height to db transaction"));
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Dbt_copy<uint64_t> unlock_time(tx.unlock_time);
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if (m_tx_unlocks->put(DB_DEFAULT_TX, &val_h, &unlock_time, 0))
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throw0(DB_ERROR("Failed to add tx unlock time to db transaction"));
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}
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void BlockchainBDB::remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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Dbt_copy<crypto::hash> val_h(tx_hash);
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if (m_txs->exists(DB_DEFAULT_TX, &val_h, 0))
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throw1(TX_DNE("Attempting to remove transaction that isn't in the db"));
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if (m_txs->del(DB_DEFAULT_TX, &val_h, 0))
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throw1(DB_ERROR("Failed to add removal of tx to db transaction"));
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if (m_tx_unlocks->del(DB_DEFAULT_TX, &val_h, 0))
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throw1(DB_ERROR("Failed to add removal of tx unlock time to db transaction"));
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if (m_tx_heights->del(DB_DEFAULT_TX, &val_h, 0))
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throw1(DB_ERROR("Failed to add removal of tx block height to db transaction"));
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remove_tx_outputs(tx_hash, tx);
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if (m_tx_outputs->del(DB_DEFAULT_TX, &val_h, 0))
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throw1(DB_ERROR("Failed to add removal of tx outputs to db transaction"));
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}
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void BlockchainBDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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Dbt_copy<uint32_t> k(m_num_outputs + 1);
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Dbt_copy<crypto::hash> v(tx_hash);
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if (m_output_txs->put(DB_DEFAULT_TX, &k, &v, 0))
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throw0(DB_ERROR("Failed to add output tx hash to db transaction"));
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if (m_tx_outputs->put(DB_DEFAULT_TX, &v, &k, 0))
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throw0(DB_ERROR("Failed to add tx output index to db transaction"));
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Dbt_copy<uint64_t> val_local_index(local_index);
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if (m_output_indices->put(DB_DEFAULT_TX, &k, &val_local_index, 0))
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throw0(DB_ERROR("Failed to add tx output index to db transaction"));
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Dbt_copy<uint64_t> val_amount(tx_output.amount);
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if (m_output_amounts->put(DB_DEFAULT_TX, &val_amount, &k, 0))
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throw0(DB_ERROR("Failed to add output amount to db transaction."));
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if (tx_output.target.type() == typeid(txout_to_key))
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{
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output_data_t od;
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od.pubkey = boost::get < txout_to_key > (tx_output.target).key;
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od.unlock_time = unlock_time;
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od.height = m_height;
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Dbt_copy<output_data_t> data(od);
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if (m_output_keys->put(DB_DEFAULT_TX, &k, &data, 0))
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throw0(DB_ERROR("Failed to add output pubkey to db transaction"));
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}
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m_num_outputs++;
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}
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void BlockchainBDB::remove_tx_outputs(const crypto::hash& tx_hash, const transaction& tx)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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bdb_cur cur(DB_DEFAULT_TX, m_tx_outputs);
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Dbt_copy<crypto::hash> k(tx_hash);
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Dbt_copy<uint32_t> v;
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auto result = cur->get(&k, &v, DB_SET);
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if (result == DB_NOTFOUND)
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{
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throw0(OUTPUT_DNE("Attempting to remove a tx's outputs, but none found."));
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}
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else if (result)
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{
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throw0(DB_ERROR("DB error attempting to get an output"));
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}
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else
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{
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db_recno_t num_elems = 0;
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cur->count(&num_elems, 0);
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for (uint64_t i = 0; i < num_elems; ++i)
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{
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const tx_out tx_output = tx.vout[i];
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remove_output(v, tx_output.amount);
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if (i < num_elems - 1)
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{
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cur->get(&k, &v, DB_NEXT_DUP);
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}
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}
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}
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cur.close();
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}
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// TODO: probably remove this function
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void BlockchainBDB::remove_output(const tx_out& tx_output)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__ << " (unused version - does nothing)");
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return;
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}
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void BlockchainBDB::remove_output(const uint64_t& out_index, const uint64_t amount)
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{
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LOG_PRINT_L3("BlockchainBDB::" << __func__);
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check_open();
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Dbt_copy<uint32_t> k(out_index);
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auto result = m_output_indices->del(DB_DEFAULT_TX, &k, 0);
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if (result == DB_NOTFOUND)
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{
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LOG_PRINT_L0("Unexpected: global output index not found in m_output_indices");
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}
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else if (result)
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{
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throw1(DB_ERROR("Error adding removal of output tx index to db transaction"));
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}
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result = m_output_txs->del(DB_DEFAULT_TX, &k, 0);
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// if (result != 0 && result != DB_NOTFOUND)
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// throw1(DB_ERROR("Error adding removal of output tx hash to db transaction"));
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if (result == DB_NOTFOUND)
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{
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LOG_PRINT_L0("Unexpected: global output index not found in m_output_txs");
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}
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else if (result)
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{
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throw1(DB_ERROR("Error adding removal of output tx hash to db transaction"));
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}
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result = m_output_keys->del(DB_DEFAULT_TX, &k, 0);
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if (result == DB_NOTFOUND)
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{
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LOG_PRINT_L0("Unexpected: global output index not found in m_output_keys");
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}
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else if (result)
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throw1(DB_ERROR("Error adding removal of output pubkey to db transaction"));
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remove_amount_output_index(amount, out_index);
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|
|
|
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);
|
|
|
|
uint64_t amount_output_index = 0;
|
|
uint64_t goi = 0;
|
|
bool found_index = false;
|
|
for (uint64_t i = 0; i < num_elems; ++i)
|
|
{
|
|
goi = v;
|
|
if (goi == global_output_index)
|
|
{
|
|
amount_output_index = i;
|
|
found_index = true;
|
|
break;
|
|
}
|
|
cur->get(&k, &v, DB_NEXT_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) 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;
|
|
}
|
|
|
|
blobdata BlockchainBDB::output_to_blob(const tx_out& output) const
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
blobdata b;
|
|
if (!t_serializable_object_to_blob(output, b))
|
|
throw1(DB_ERROR("Error serializing output to blob"));
|
|
return b;
|
|
}
|
|
|
|
tx_out BlockchainBDB::output_from_blob(const blobdata& blob) const
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
std::stringstream ss;
|
|
ss << blob;
|
|
binary_archive<false> ba(ss);
|
|
tx_out o;
|
|
|
|
if (!(::serialization::serialize(ba, o)))
|
|
throw1(DB_ERROR("Error deserializing tx output blob"));
|
|
|
|
return o;
|
|
}
|
|
|
|
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) :
|
|
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_open = false;
|
|
m_run_checkpoint = 0;
|
|
m_batch_transactions = batch_transactions;
|
|
m_write_txn = nullptr;
|
|
m_height = 0;
|
|
}
|
|
|
|
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);
|
|
|
|
if(m_auto_remove_logs)
|
|
m_env->log_set_config(DB_LOG_AUTO_REMOVE, 1);
|
|
|
|
// 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;
|
|
delete stats;
|
|
|
|
// see above comment about DB_FAST_STAT
|
|
m_output_indices->stat(NULL, &stats, 0);
|
|
m_num_outputs = stats->bt_nkeys;
|
|
delete 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;
|
|
}
|
|
else if (VERSION > 0 && result < VERSION)
|
|
{
|
|
compatible = false;
|
|
}
|
|
}
|
|
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);
|
|
|
|
m_hf_starting_heights->sync(0);
|
|
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;
|
|
}
|
|
|
|
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) 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"));
|
|
|
|
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_size(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)
|
|
{
|
|
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)
|
|
{
|
|
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_output_indices(const crypto::hash& h) const
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
check_open();
|
|
std::vector<uint64_t> index_vec;
|
|
|
|
bdb_cur cur(DB_DEFAULT_TX, m_tx_outputs);
|
|
|
|
Dbt_copy<crypto::hash> k(h);
|
|
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 by tx hash and tx index, but output 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);
|
|
|
|
for (uint64_t i = 0; i < num_elems; ++i)
|
|
{
|
|
index_vec.push_back(v);
|
|
cur->get(&k, &v, DB_NEXT_DUP);
|
|
}
|
|
|
|
cur.close();
|
|
|
|
return index_vec;
|
|
}
|
|
|
|
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.
|
|
|
|
void BlockchainBDB::batch_start(uint64_t batch_num_blocks)
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
}
|
|
|
|
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"));
|
|
}
|
|
|
|
uint64_t BlockchainBDB::add_block(const block& blk, const size_t& block_size, 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_size, 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);
|
|
}
|
|
|
|
void BlockchainBDB::set_hard_fork_starting_height(uint8_t version, uint64_t height)
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
check_open();
|
|
|
|
Dbt_copy<uint32_t> val_key(version + 1);
|
|
Dbt_copy<uint64_t> val(height);
|
|
if (m_hf_starting_heights->put(DB_DEFAULT_TX, &val_key, &val, 0))
|
|
throw1(DB_ERROR("Error adding hard fork starting height to db transaction."));
|
|
}
|
|
|
|
uint64_t BlockchainBDB::get_hard_fork_starting_height(uint8_t version) const
|
|
{
|
|
LOG_PRINT_L3("BlockchainBDB::" << __func__);
|
|
check_open();
|
|
|
|
Dbt_copy<uint32_t> key(version + 1);
|
|
Dbt_copy<uint64_t> result;
|
|
|
|
auto get_result = m_hf_starting_heights->get(DB_DEFAULT_TX, &key, &result, 0);
|
|
if (get_result == DB_NOTFOUND || get_result == DB_KEYEMPTY)
|
|
return std::numeric_limits<uint64_t>::max();
|
|
else if (get_result)
|
|
throw0(DB_ERROR("Error attempting to retrieve hard fork starting height from the db"));
|
|
|
|
return result;
|
|
}
|
|
|
|
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.")
|
|
}
|
|
|
|
void BlockchainBDB::fixup()
|
|
{
|
|
// Always call parent as well
|
|
BlockchainDB::fixup();
|
|
}
|
|
|
|
} // namespace cryptonote
|