mirror of
https://github.com/oxen-io/oxen-core.git
synced 2023-12-14 02:22:56 +01:00
724 lines
27 KiB
C++
724 lines
27 KiB
C++
// Copyright (c) 2014-2019, The Monero Project
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// Copyright (c) 2018, The Loki Project
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//
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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 <fmt/color.h>
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#include <unistd.h>
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#include <algorithm>
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#include <atomic>
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#include <boost/algorithm/string.hpp>
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#include <cstdio>
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#include <fstream>
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#include "blocks/blocks.h"
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#include "bootstrap_file.h"
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#include "bootstrap_serialization.h"
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#include "common/fs-format.h"
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#include "common/hex.h"
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#include "cryptonote_basic/cryptonote_format_utils.h"
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#include "cryptonote_core/cryptonote_core.h"
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#include "cryptonote_core/uptime_proof.h"
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#include "cryptonote_protocol/quorumnet.h"
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#include "epee/misc_log_ex.h"
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#include "logging/oxen_logger.h"
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#include "serialization/binary_utils.h"
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using namespace blockchain_utils;
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namespace {
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// CONFIG
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bool opt_batch = true;
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bool opt_verify = true; // use add_new_block, which does verification before calling add_block
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bool opt_resume = true;
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bool opt_testnet = true;
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bool opt_devnet = true;
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// number of blocks per batch transaction
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// adjustable through command-line argument according to available RAM
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#if ARCH_WIDTH != 32
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uint64_t db_batch_size = 20000;
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#else
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// set a lower default batch size, pending possible LMDB issue with large transaction size
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uint64_t db_batch_size = 100;
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#endif
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// when verifying, use a smaller default batch size so progress is more
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// frequently saved
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uint64_t db_batch_size_verify = 5000;
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std::string refresh_string = "\r \r";
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const command_line::arg_descriptor<bool> arg_recalculate_difficulty = {
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"recalculate-difficulty",
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"Recalculate per-block difficulty starting from the height specified",
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// This is now enabled by default because the network broke at 526483 because of divergent
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// difficulty values (and the chain that kept going violated the correct difficulty, and got
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// checkpointed multiple times because enough of the network followed it).
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false};
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} // namespace
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namespace po = boost::program_options;
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using namespace cryptonote;
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static auto logcat = log::Cat("bcutil");
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// db_mode: safe, fast, fastest
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int get_db_flags_from_mode(const std::string& db_mode) {
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int db_flags = 0;
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if (db_mode == "safe")
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db_flags = DBF_SAFE;
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else if (db_mode == "fast")
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db_flags = DBF_FAST;
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else if (db_mode == "fastest")
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db_flags = DBF_FASTEST;
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return db_flags;
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}
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int pop_blocks(cryptonote::core& core, int num_blocks) {
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bool use_batch = opt_batch;
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if (use_batch)
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core.get_blockchain_storage().get_db().batch_start();
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try {
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core.get_blockchain_storage().pop_blocks(num_blocks);
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if (use_batch) {
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core.get_blockchain_storage().get_db().batch_stop();
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core.get_blockchain_storage().get_db().show_stats();
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}
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} catch (const std::exception& e) {
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// There was an error, so don't commit pending data.
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// Destructor will abort write txn.
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}
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return num_blocks;
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}
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int check_flush(cryptonote::core& core, std::vector<block_complete_entry>& blocks, bool force) {
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if (blocks.empty())
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return 0;
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if (!force && blocks.size() < db_batch_size)
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return 0;
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// wait till we can verify a full HOH without extra, for speed
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uint64_t new_height = core.get_blockchain_storage().get_db().height() + blocks.size();
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if (!force && new_height % HASH_OF_HASHES_STEP)
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return 0;
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std::vector<crypto::hash> hashes;
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for (const auto& b : blocks) {
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cryptonote::block block;
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if (!parse_and_validate_block_from_blob(b.block, block)) {
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log::error(
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logcat,
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"Failed to parse block: {}",
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tools::type_to_hex(get_blob_hash(b.block)));
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core.cleanup_handle_incoming_blocks();
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return 1;
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}
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hashes.push_back(cryptonote::get_block_hash(block));
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}
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core.prevalidate_block_hashes(core.get_blockchain_storage().get_db().height(), hashes);
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// TODO(doyle): Checkpointing
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std::vector<block> pblocks;
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if (!core.prepare_handle_incoming_blocks(blocks, pblocks)) {
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log::error(logcat, "Failed to prepare to add blocks");
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return 1;
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}
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if (!pblocks.empty() && pblocks.size() != blocks.size()) {
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log::error(logcat, "Unexpected parsed blocks size");
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core.cleanup_handle_incoming_blocks();
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return 1;
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}
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size_t blockidx = 0;
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for (const block_complete_entry& block_entry : blocks) {
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// process transactions
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for (auto& tx_blob : block_entry.txs) {
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tx_verification_context tvc{};
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core.handle_incoming_tx(tx_blob, tvc, tx_pool_options::from_block());
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if (tvc.m_verifivation_failed) {
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log::error(
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logcat,
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"transaction verification failed, tx_id = {}",
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tools::type_to_hex(get_blob_hash(tx_blob)));
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core.cleanup_handle_incoming_blocks();
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return 1;
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}
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}
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// process block
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block_verification_context bvc{};
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core.handle_incoming_block(
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block_entry.block,
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pblocks.empty() ? NULL : &pblocks[blockidx++],
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bvc,
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nullptr /*checkpoint*/,
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false); // <--- process block
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if (bvc.m_verifivation_failed) {
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log::error(
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logcat,
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"Block verification failed, id = {}",
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tools::type_to_hex(get_blob_hash(block_entry.block)));
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core.cleanup_handle_incoming_blocks();
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return 1;
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}
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if (bvc.m_marked_as_orphaned) {
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log::error(logcat, "Block received at sync phase was marked as orphaned");
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core.cleanup_handle_incoming_blocks();
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return 1;
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}
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} // each download block
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if (!core.cleanup_handle_incoming_blocks())
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return 1;
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blocks.clear();
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return 0;
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}
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int import_from_file(
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cryptonote::core& core, const fs::path& import_file_path, uint64_t block_stop = 0) {
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// Reset stats, in case we're using newly created db, accumulating stats
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// from addition of genesis block.
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// This aligns internal db counts with importer counts.
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core.get_blockchain_storage().get_db().reset_stats();
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if (std::error_code ec; !fs::exists(import_file_path, ec)) {
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log::error(logcat, "bootstrap file not found: {}", import_file_path);
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return false;
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}
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uint64_t start_height = 1, seek_height;
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if (opt_resume)
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start_height = core.get_blockchain_storage().get_current_blockchain_height();
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seek_height = start_height;
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BootstrapFile bootstrap;
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std::streampos pos;
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// BootstrapFile bootstrap(import_file_path);
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uint64_t total_source_blocks = bootstrap.count_blocks(import_file_path, pos, seek_height);
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log::info(
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logcat,
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"bootstrap file last block number: {} (zero-based height) total blocks: {}",
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total_source_blocks - 1,
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total_source_blocks);
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if (total_source_blocks - 1 <= start_height) {
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return false;
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}
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std::cout << "\nPreparing to read blocks...\n\n";
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fs::ifstream import_file{import_file_path, std::ios::binary};
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if (import_file.fail()) {
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log::error(logcat, "import_file.open() fail");
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return false;
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}
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// 4 byte magic + (currently) 1024 byte header structures
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bootstrap.seek_to_first_chunk(import_file);
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char buffer1[1024];
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char buffer_block[BUFFER_SIZE];
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block b;
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transaction tx;
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int quit = 0;
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uint64_t bytes_read;
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// Note that a new blockchain will start with block number 0 (total blocks: 1)
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// due to genesis block being added at initialization.
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if (!block_stop) {
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block_stop = total_source_blocks - 1;
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}
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// These are what we'll try to use, and they don't have to be a determination
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// from source and destination blockchains, but those are the defaults.
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log::info(logcat, "start block: {} stop block: {}", start_height, block_stop);
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bool use_batch = opt_batch && !opt_verify;
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log::info(logcat, "Reading blockchain from bootstrap file...");
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std::cout << "\n";
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std::vector<block_complete_entry> blocks;
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uint64_t h = 0;
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uint64_t num_imported = 0;
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// Skip to start_height before we start adding.
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{
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bool q2 = false;
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import_file.seekg(pos);
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bytes_read = bootstrap.count_bytes(import_file, start_height - seek_height, h, q2);
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if (q2) {
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quit = 2;
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goto quitting;
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}
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h = start_height;
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}
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if (use_batch) {
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uint64_t bytes, h2;
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bool q2;
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pos = import_file.tellg();
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bytes = bootstrap.count_bytes(import_file, db_batch_size, h2, q2);
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if (import_file.eof())
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import_file.clear();
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import_file.seekg(pos);
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core.get_blockchain_storage().get_db().batch_start(db_batch_size, bytes);
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}
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while (!quit) {
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uint32_t chunk_size;
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import_file.read(buffer1, sizeof(chunk_size));
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// TODO: bootstrap.read_chunk();
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if (!import_file) {
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std::cout << refresh_string;
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log::info(logcat, "End of file reached");
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quit = 1;
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break;
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}
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bytes_read += sizeof(chunk_size);
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try {
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serialization::parse_binary(std::string_view{buffer1, sizeof(chunk_size)}, chunk_size);
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} catch (const std::exception& e) {
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throw std::runtime_error("Error in deserialization of chunk size: "s + e.what());
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}
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log::debug(logcat, "chunk_size: {}", chunk_size);
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if (chunk_size > BUFFER_SIZE) {
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log::warning(
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logcat, "WARNING: chunk_size {} > BUFFER_SIZE {}", chunk_size, BUFFER_SIZE);
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throw std::runtime_error("Aborting: chunk size exceeds buffer size");
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}
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if (chunk_size > CHUNK_SIZE_WARNING_THRESHOLD) {
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log::info(logcat, "NOTE: chunk_size {} > {}", chunk_size, CHUNK_SIZE_WARNING_THRESHOLD);
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} else if (chunk_size == 0) {
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log::error(logcat, "ERROR: chunk_size == 0");
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return 2;
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}
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import_file.read(buffer_block, chunk_size);
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if (!import_file) {
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if (import_file.eof()) {
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std::cout << refresh_string;
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log::info(logcat, "End of file reached - file was truncated");
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quit = 1;
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break;
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} else {
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log::error(
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logcat,
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"ERROR: unexpected end of file: bytes read before error: {} of chunk_size "
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"{}",
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import_file.gcount(),
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chunk_size);
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return 2;
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}
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}
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bytes_read += chunk_size;
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log::debug(logcat, "Total bytes read: {}", bytes_read);
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if (h > block_stop) {
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std::cout << refresh_string << "block " << h - 1 << " / " << block_stop << "\n"
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<< std::endl;
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log::info(
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logcat,
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"Specified block number reached - stopping. block: {} total blocks: {}",
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h - 1,
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h);
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quit = 1;
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break;
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}
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try {
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bootstrap::block_package bp;
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try {
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serialization::parse_binary(std::string_view{buffer_block, chunk_size}, bp);
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} catch (const std::exception& e) {
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throw std::runtime_error("Error in deserialization of chunk"s + e.what());
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}
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int display_interval = 1000;
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int progress_interval = 10;
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// NOTE: use of NUM_BLOCKS_PER_CHUNK is a placeholder in case multi-block chunks are
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// later supported.
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for (size_t chunk_ind = 0; chunk_ind < NUM_BLOCKS_PER_CHUNK; ++chunk_ind) {
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++h;
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if ((h - 1) % display_interval == 0) {
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std::cout << refresh_string;
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log::debug(logcat, "loading block number {}", h - 1);
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} else {
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log::debug(logcat, "loading block number {}", h - 1);
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}
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b = bp.block;
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log::debug(logcat, "block prev_id: {}\n", b.prev_id);
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if ((h - 1) % progress_interval == 0) {
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std::cout << refresh_string << "block " << h - 1 << " / " << block_stop << "\r"
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<< std::flush;
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}
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if (opt_verify) {
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std::string block;
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cryptonote::block_to_blob(bp.block, block);
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std::vector<std::string> txs;
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for (const auto& tx : bp.txs) {
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txs.push_back(std::string());
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cryptonote::tx_to_blob(tx, txs.back());
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}
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blocks.push_back({block, txs});
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int ret = check_flush(core, blocks, false);
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if (ret) {
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quit = 2; // make sure we don't commit partial block data
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break;
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}
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} else {
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std::vector<std::pair<transaction, std::string>> txs;
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std::vector<transaction> archived_txs;
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archived_txs = bp.txs;
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// tx number 1: coinbase tx
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// tx number 2 onwards: archived_txs
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for (const transaction& tx : archived_txs) {
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// add blocks with verification.
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// for Blockchain and blockchain_storage add_new_block().
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// for add_block() method, without (much) processing.
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// don't add coinbase transaction to txs.
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//
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// because add_block() calls
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// add_transaction(blk_hash, blk.miner_tx) first, and
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// then a for loop for the transactions in txs.
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txs.push_back(std::make_pair(tx, tx_to_blob(tx)));
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}
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size_t block_weight;
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difficulty_type cumulative_difficulty;
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uint64_t coins_generated;
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block_weight = bp.block_weight;
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cumulative_difficulty = bp.cumulative_difficulty;
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coins_generated = bp.coins_generated;
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try {
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uint64_t long_term_block_weight =
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core.get_blockchain_storage().get_next_long_term_block_weight(
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block_weight);
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core.get_blockchain_storage().get_db().add_block(
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std::make_pair(b, block_to_blob(b)),
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block_weight,
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long_term_block_weight,
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cumulative_difficulty,
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coins_generated,
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txs);
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} catch (const std::exception& e) {
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std::cout << refresh_string;
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log::error(logcat, "Error adding block to blockchain: {}", e.what());
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quit = 2; // make sure we don't commit partial block data
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break;
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}
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if (use_batch) {
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if ((h - 1) % db_batch_size == 0) {
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uint64_t bytes, h2;
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bool q2;
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std::cout << refresh_string;
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// zero-based height
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std::cout << "\n[- batch commit at height " << h - 1 << " -]\n";
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core.get_blockchain_storage().get_db().batch_stop();
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pos = import_file.tellg();
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bytes = bootstrap.count_bytes(import_file, db_batch_size, h2, q2);
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import_file.seekg(pos);
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core.get_blockchain_storage().get_db().batch_start(
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db_batch_size, bytes);
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std::cout << "\n";
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core.get_blockchain_storage().get_db().show_stats();
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}
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}
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}
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++num_imported;
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}
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} catch (const std::exception& e) {
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std::cout << refresh_string;
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log::error(logcat, "exception while reading from file, height={}: {}", h, e.what());
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return 2;
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}
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} // while
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quitting:
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import_file.close();
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if (opt_verify) {
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int ret = check_flush(core, blocks, true);
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if (ret)
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return ret;
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}
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if (use_batch) {
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if (quit > 1) {
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// There was an error, so don't commit pending data.
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// Destructor will abort write txn.
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} else {
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core.get_blockchain_storage().get_db().batch_stop();
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}
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}
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core.get_blockchain_storage().get_db().show_stats();
|
|
log::info(logcat, "Number of blocks imported: {}", num_imported);
|
|
if (h > 0)
|
|
// TODO: if there was an error, the last added block is probably at zero-based height h-2
|
|
log::info(logcat, "Finished at block: {} total blocks: {}", h - 1, h);
|
|
|
|
std::cout << "\n";
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char* argv[]) {
|
|
TRY_ENTRY();
|
|
|
|
epee::string_tools::set_module_name_and_folder(argv[0]);
|
|
|
|
uint64_t num_blocks = 0;
|
|
uint64_t block_stop = 0;
|
|
std::string m_config_folder;
|
|
std::string db_arg_str;
|
|
|
|
tools::on_startup();
|
|
|
|
auto opt_size = command_line::boost_option_sizes();
|
|
|
|
po::options_description desc_cmd_only("Command line options", opt_size.first, opt_size.second);
|
|
po::options_description desc_cmd_sett(
|
|
"Command line options and settings options", opt_size.first, opt_size.second);
|
|
const command_line::arg_descriptor<std::string> arg_input_file = {
|
|
"input-file", "Specify input file", "", true};
|
|
const command_line::arg_descriptor<std::string> arg_log_level = {
|
|
"log-level", "0-4 or categories", ""};
|
|
const command_line::arg_descriptor<uint64_t> arg_block_stop = {
|
|
"block-stop", "Stop at block number", block_stop};
|
|
const command_line::arg_descriptor<uint64_t> arg_batch_size = {"batch-size", "", db_batch_size};
|
|
const command_line::arg_descriptor<uint64_t> arg_pop_blocks = {
|
|
"pop-blocks", "Remove blocks from end of blockchain", num_blocks};
|
|
const command_line::arg_descriptor<bool> arg_count_blocks = {
|
|
"count-blocks", "Count blocks in bootstrap file and exit", false};
|
|
const command_line::arg_descriptor<bool> arg_noverify = {
|
|
"dangerous-unverified-import",
|
|
"Blindly trust the import file and use potentially malicious blocks and transactions "
|
|
"during import (only enable if you exported the file yourself)",
|
|
false};
|
|
const command_line::arg_descriptor<bool> arg_batch = {
|
|
"batch", "Batch transactions for faster import", true};
|
|
const command_line::arg_descriptor<bool> arg_resume = {
|
|
"resume", "Resume from current height if output database already exists", true};
|
|
|
|
command_line::add_arg(desc_cmd_sett, arg_input_file);
|
|
command_line::add_arg(desc_cmd_sett, arg_log_level);
|
|
command_line::add_arg(desc_cmd_sett, arg_batch_size);
|
|
command_line::add_arg(desc_cmd_sett, arg_block_stop);
|
|
|
|
command_line::add_arg(desc_cmd_only, arg_count_blocks);
|
|
command_line::add_arg(desc_cmd_only, arg_pop_blocks);
|
|
command_line::add_arg(desc_cmd_only, command_line::arg_help);
|
|
|
|
command_line::add_arg(desc_cmd_only, arg_recalculate_difficulty);
|
|
|
|
// call add_options() directly for these arguments since
|
|
// command_line helpers support only boolean switch, not boolean argument
|
|
desc_cmd_sett.add_options()(
|
|
arg_noverify.name, make_semantic(arg_noverify), arg_noverify.description)(
|
|
arg_batch.name, make_semantic(arg_batch), arg_batch.description)(
|
|
arg_resume.name, make_semantic(arg_resume), arg_resume.description);
|
|
|
|
po::options_description desc_options("Allowed options");
|
|
desc_options.add(desc_cmd_only).add(desc_cmd_sett);
|
|
cryptonote::core::init_options(desc_options);
|
|
|
|
po::variables_map vm;
|
|
bool r = command_line::handle_error_helper(desc_options, [&]() {
|
|
po::store(po::parse_command_line(argc, argv, desc_options), vm);
|
|
po::notify(vm);
|
|
return true;
|
|
});
|
|
if (!r)
|
|
return 1;
|
|
|
|
opt_verify = !command_line::get_arg(vm, arg_noverify);
|
|
opt_batch = command_line::get_arg(vm, arg_batch);
|
|
opt_resume = command_line::get_arg(vm, arg_resume);
|
|
block_stop = command_line::get_arg(vm, arg_block_stop);
|
|
db_batch_size = command_line::get_arg(vm, arg_batch_size);
|
|
|
|
if (command_line::get_arg(vm, command_line::arg_help)) {
|
|
std::cout << "Oxen '" << OXEN_RELEASE_NAME << "' (v" << OXEN_VERSION_FULL << ")\n\n";
|
|
std::cout << desc_options << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
if (!opt_batch && !command_line::is_arg_defaulted(vm, arg_batch_size)) {
|
|
std::cerr << "Error: batch-size set, but batch option not enabled\n";
|
|
return 1;
|
|
}
|
|
if (!db_batch_size) {
|
|
std::cerr << "Error: batch-size must be > 0\n";
|
|
return 1;
|
|
}
|
|
if (opt_verify && command_line::is_arg_defaulted(vm, arg_batch_size)) {
|
|
// usually want batch size default lower if verify on, so progress can be
|
|
// frequently saved.
|
|
//
|
|
// currently, with Windows, default batch size is low, so ignore
|
|
// default db_batch_size_verify unless it's even lower
|
|
if (db_batch_size > db_batch_size_verify) {
|
|
db_batch_size = db_batch_size_verify;
|
|
}
|
|
}
|
|
|
|
opt_testnet = command_line::get_arg(vm, cryptonote::arg_testnet_on);
|
|
opt_devnet = command_line::get_arg(vm, cryptonote::arg_devnet_on);
|
|
if (opt_testnet && opt_devnet) {
|
|
std::cerr << "Error: Can't specify more than one of --testnet and --devnet\n";
|
|
return 1;
|
|
}
|
|
m_config_folder = command_line::get_arg(vm, cryptonote::arg_data_dir);
|
|
auto log_file_path = m_config_folder + "oxen-blockchain-import.log";
|
|
log::Level log_level;
|
|
if (auto level = oxen::logging::parse_level(command_line::get_arg(vm, arg_log_level).c_str())) {
|
|
log_level = *level;
|
|
} else {
|
|
std::cerr << "Incorrect log level: " << command_line::get_arg(vm, arg_log_level).c_str()
|
|
<< std::endl;
|
|
throw std::runtime_error{"Incorrect log level"};
|
|
}
|
|
|
|
oxen::logging::init(log_file_path, log_level);
|
|
log::info(logcat, "Starting...");
|
|
|
|
fs::path import_file_path;
|
|
|
|
if (command_line::has_arg(vm, arg_input_file))
|
|
import_file_path = fs::u8path(command_line::get_arg(vm, arg_input_file));
|
|
else
|
|
import_file_path = fs::u8path(m_config_folder) / "export" / BLOCKCHAIN_RAW;
|
|
|
|
if (command_line::has_arg(vm, arg_count_blocks)) {
|
|
BootstrapFile bootstrap;
|
|
bootstrap.count_blocks(import_file_path);
|
|
return 0;
|
|
}
|
|
|
|
log::info(logcat, "database: LMDB");
|
|
log::info(logcat, "verify: {}", opt_verify);
|
|
if (opt_batch) {
|
|
log::info(logcat, "batch: {} batch size: {}", opt_batch, db_batch_size);
|
|
} else {
|
|
log::info(logcat, "batch: {}", opt_batch);
|
|
}
|
|
log::info(logcat, "resume: {}", opt_resume);
|
|
log::info(logcat, "nettype: {}", (opt_testnet ? "testnet" : opt_devnet ? "devnet" : "mainnet"));
|
|
|
|
log::info(logcat, "bootstrap file path: {}", import_file_path);
|
|
log::info(logcat, "database path: {}", m_config_folder);
|
|
|
|
if (!opt_verify) {
|
|
log::warning(
|
|
logcat,
|
|
fg(fmt::terminal_color::red),
|
|
"\n\
|
|
Import is set to proceed WITHOUT VERIFICATION.\n\
|
|
This is a DANGEROUS operation: if the file was tampered with in transit, or obtained from a malicious source,\n\
|
|
you could end up with a compromised database. It is recommended to NOT use {}.\n\
|
|
*****************************************************************************************\n\
|
|
You have 90 seconds to press ^C or terminate this program before unverified import starts\n\
|
|
*****************************************************************************************",
|
|
arg_noverify.name);
|
|
sleep(90);
|
|
}
|
|
|
|
// TODO: currently using cryptonote_protocol stub for this kind of test, use real validation of
|
|
// relayed objects
|
|
cryptonote::core core;
|
|
|
|
try {
|
|
|
|
#if defined(PER_BLOCK_CHECKPOINT)
|
|
const GetCheckpointsCallback& get_checkpoints = blocks::GetCheckpointsData;
|
|
#else
|
|
const GetCheckpointsCallback& get_checkpoints = nullptr;
|
|
#endif
|
|
|
|
quorumnet::init_core_callbacks();
|
|
|
|
if (!core.init(vm, nullptr, get_checkpoints)) {
|
|
std::cerr << "Failed to initialize core\n";
|
|
return 1;
|
|
}
|
|
core.get_blockchain_storage().get_db().set_batch_transactions(true);
|
|
|
|
if (!command_line::is_arg_defaulted(vm, arg_pop_blocks)) {
|
|
num_blocks = command_line::get_arg(vm, arg_pop_blocks);
|
|
log::info(
|
|
logcat,
|
|
"height: {}",
|
|
core.get_blockchain_storage().get_current_blockchain_height());
|
|
pop_blocks(core, num_blocks);
|
|
log::info(
|
|
logcat,
|
|
"height: {}",
|
|
core.get_blockchain_storage().get_current_blockchain_height());
|
|
return 0;
|
|
}
|
|
|
|
if (command_line::get_arg(vm, arg_recalculate_difficulty))
|
|
core.get_blockchain_storage().get_db().fixup(core.get_nettype());
|
|
|
|
import_from_file(core, import_file_path, block_stop);
|
|
|
|
// ensure db closed
|
|
// - transactions properly checked and handled
|
|
// - disk sync if needed
|
|
//
|
|
core.deinit();
|
|
} catch (const DB_ERROR& e) {
|
|
std::cout << std::string("Error loading blockchain db: ") + e.what() +
|
|
" -- shutting down now\n";
|
|
core.deinit();
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
|
|
CATCH_ENTRY("Import error", 1);
|
|
}
|