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monero/src/blockchain_utilities/blockchain_import.cpp
moneromooo-monero 383ff4f689
remove "using namespace std" from headers 
It's nasty, and actually breaks on Solaris, where if.h fails to
build due to:

  struct map *if_memmap;
2017-11-14 16:56:10 +00:00

790 lines
24 KiB
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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <atomic>
#include <cstdio>
#include <algorithm>
#include <fstream>
#include <boost/filesystem.hpp>
#include "misc_log_ex.h"
#include "bootstrap_file.h"
#include "bootstrap_serialization.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "serialization/binary_utils.h" // dump_binary(), parse_binary()
#include "serialization/json_utils.h" // dump_json()
#include "include_base_utils.h"
#include "blockchain_db/db_types.h"
#include "cryptonote_core/cryptonote_core.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "bcutil"
namespace
{
// CONFIG
bool opt_batch = true;
bool opt_verify = true; // use add_new_block, which does verification before calling add_block
bool opt_resume = true;
bool opt_testnet = true;
// number of blocks per batch transaction
// adjustable through command-line argument according to available RAM
#if ARCH_WIDTH != 32
uint64_t db_batch_size = 20000;
#else
// set a lower default batch size, pending possible LMDB issue with large transaction size
uint64_t db_batch_size = 100;
#endif
// when verifying, use a smaller default batch size so progress is more
// frequently saved
uint64_t db_batch_size_verify = 5000;
std::string refresh_string = "\r \r";
}
namespace po = boost::program_options;
using namespace cryptonote;
using namespace epee;
// db_mode: safe, fast, fastest
int get_db_flags_from_mode(const std::string& db_mode)
{
int db_flags = 0;
if (db_mode == "safe")
db_flags = DBF_SAFE;
else if (db_mode == "fast")
db_flags = DBF_FAST;
else if (db_mode == "fastest")
db_flags = DBF_FASTEST;
return db_flags;
}
int parse_db_arguments(const std::string& db_arg_str, std::string& db_type, int& db_flags)
{
std::vector<std::string> db_args;
boost::split(db_args, db_arg_str, boost::is_any_of("#"));
db_type = db_args.front();
boost::algorithm::trim(db_type);
if (db_args.size() == 1)
{
return 0;
}
else if (db_args.size() > 2)
{
std::cerr << "unrecognized database argument format: " << db_arg_str << ENDL;
return 1;
}
std::string db_arg_str2 = db_args[1];
boost::split(db_args, db_arg_str2, boost::is_any_of(","));
// optionally use a composite mode instead of individual flags
const std::unordered_set<std::string> db_modes {"safe", "fast", "fastest"};
std::string db_mode;
if (db_args.size() == 1)
{
if (db_modes.count(db_args[0]) > 0)
{
db_mode = db_args[0];
}
}
if (! db_mode.empty())
{
db_flags = get_db_flags_from_mode(db_mode);
}
return 0;
}
int pop_blocks(cryptonote::core& core, int num_blocks)
{
bool use_batch = opt_batch;
if (use_batch)
core.get_blockchain_storage().get_db().batch_start();
int quit = 0;
block popped_block;
std::vector<transaction> popped_txs;
for (int i=0; i < num_blocks; ++i)
{
// simple_core.m_storage.pop_block_from_blockchain() is private, so call directly through db
core.get_blockchain_storage().get_db().pop_block(popped_block, popped_txs);
quit = 1;
}
if (use_batch)
{
if (quit > 1)
{
// There was an error, so don't commit pending data.
// Destructor will abort write txn.
}
else
{
core.get_blockchain_storage().get_db().batch_stop();
}
core.get_blockchain_storage().get_db().show_stats();
}
return num_blocks;
}
int check_flush(cryptonote::core &core, std::list<block_complete_entry> &blocks, bool force)
{
if (blocks.empty())
return 0;
if (!force && blocks.size() < db_batch_size)
return 0;
// wait till we can verify a full HOH without extra, for speed
uint64_t new_height = core.get_blockchain_storage().get_db().height() + blocks.size();
if (!force && new_height % HASH_OF_HASHES_STEP)
return 0;
std::list<crypto::hash> hashes;
for (const auto &b: blocks)
{
cryptonote::block block;
if (!parse_and_validate_block_from_blob(b.block, block))
{
MERROR("Failed to parse block: "
<< epee::string_tools::pod_to_hex(get_blob_hash(b.block)));
core.cleanup_handle_incoming_blocks();
return 1;
}
hashes.push_back(cryptonote::get_block_hash(block));
}
core.prevalidate_block_hashes(core.get_blockchain_storage().get_db().height(), hashes);
core.prepare_handle_incoming_blocks(blocks);
for(const block_complete_entry& block_entry: blocks)
{
// process transactions
for(auto& tx_blob: block_entry.txs)
{
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
core.handle_incoming_tx(tx_blob, tvc, true, true, false);
if(tvc.m_verifivation_failed)
{
MERROR("transaction verification failed, tx_id = "
<< epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)));
core.cleanup_handle_incoming_blocks();
return 1;
}
}
// process block
block_verification_context bvc = boost::value_initialized<block_verification_context>();
core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block
if(bvc.m_verifivation_failed)
{
MERROR("Block verification failed, id = "
<< epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block)));
core.cleanup_handle_incoming_blocks();
return 1;
}
if(bvc.m_marked_as_orphaned)
{
MERROR("Block received at sync phase was marked as orphaned");
core.cleanup_handle_incoming_blocks();
return 1;
}
} // each download block
if (!core.cleanup_handle_incoming_blocks())
return 1;
blocks.clear();
return 0;
}
int import_from_file(cryptonote::core& core, const std::string& import_file_path, uint64_t block_stop=0)
{
// Reset stats, in case we're using newly created db, accumulating stats
// from addition of genesis block.
// This aligns internal db counts with importer counts.
core.get_blockchain_storage().get_db().reset_stats();
boost::filesystem::path fs_import_file_path(import_file_path);
boost::system::error_code ec;
if (!boost::filesystem::exists(fs_import_file_path, ec))
{
MFATAL("bootstrap file not found: " << fs_import_file_path);
return false;
}
uint64_t start_height = 1, seek_height;
if (opt_resume)
start_height = core.get_blockchain_storage().get_current_blockchain_height();
seek_height = start_height;
BootstrapFile bootstrap;
std::streampos pos;
// BootstrapFile bootstrap(import_file_path);
uint64_t total_source_blocks = bootstrap.count_blocks(import_file_path, pos, seek_height);
MINFO("bootstrap file last block number: " << total_source_blocks-1 << " (zero-based height) total blocks: " << total_source_blocks);
if (total_source_blocks-1 <= start_height)
{
return false;
}
std::cout << ENDL;
std::cout << "Preparing to read blocks..." << ENDL;
std::cout << ENDL;
std::ifstream import_file;
import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
uint64_t h = 0;
uint64_t num_imported = 0;
if (import_file.fail())
{
MFATAL("import_file.open() fail");
return false;
}
// 4 byte magic + (currently) 1024 byte header structures
bootstrap.seek_to_first_chunk(import_file);
std::string str1;
char buffer1[1024];
char buffer_block[BUFFER_SIZE];
block b;
transaction tx;
int quit = 0;
uint64_t bytes_read;
// Note that a new blockchain will start with block number 0 (total blocks: 1)
// due to genesis block being added at initialization.
if (! block_stop)
{
block_stop = total_source_blocks - 1;
}
// These are what we'll try to use, and they don't have to be a determination
// from source and destination blockchains, but those are the defaults.
MINFO("start block: " << start_height << " stop block: " <<
block_stop);
bool use_batch = opt_batch && !opt_verify;
MINFO("Reading blockchain from bootstrap file...");
std::cout << ENDL;
std::list<block_complete_entry> blocks;
// Skip to start_height before we start adding.
{
bool q2 = false;
import_file.seekg(pos);
bytes_read = bootstrap.count_bytes(import_file, start_height-seek_height, h, q2);
if (q2)
{
quit = 2;
goto quitting;
}
h = start_height;
}
if (use_batch)
{
uint64_t bytes, h2;
bool q2;
pos = import_file.tellg();
bytes = bootstrap.count_bytes(import_file, db_batch_size, h2, q2);
if (import_file.eof())
import_file.clear();
import_file.seekg(pos);
core.get_blockchain_storage().get_db().batch_start(db_batch_size, bytes);
}
while (! quit)
{
uint32_t chunk_size;
import_file.read(buffer1, sizeof(chunk_size));
// TODO: bootstrap.read_chunk();
if (! import_file) {
std::cout << refresh_string;
MINFO("End of file reached");
quit = 1;
break;
}
bytes_read += sizeof(chunk_size);
str1.assign(buffer1, sizeof(chunk_size));
if (! ::serialization::parse_binary(str1, chunk_size))
{
throw std::runtime_error("Error in deserialization of chunk size");
}
MDEBUG("chunk_size: " << chunk_size);
if (chunk_size > BUFFER_SIZE)
{
MWARNING("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE);
throw std::runtime_error("Aborting: chunk size exceeds buffer size");
}
if (chunk_size > CHUNK_SIZE_WARNING_THRESHOLD)
{
MINFO("NOTE: chunk_size " << chunk_size << " > " << CHUNK_SIZE_WARNING_THRESHOLD);
}
else if (chunk_size == 0) {
MFATAL("ERROR: chunk_size == 0");
return 2;
}
import_file.read(buffer_block, chunk_size);
if (! import_file) {
if (import_file.eof())
{
std::cout << refresh_string;
MINFO("End of file reached - file was truncated");
quit = 1;
break;
}
else
{
MFATAL("ERROR: unexpected end of file: bytes read before error: "
<< import_file.gcount() << " of chunk_size " << chunk_size);
return 2;
}
}
bytes_read += chunk_size;
MDEBUG("Total bytes read: " << bytes_read);
if (h > block_stop)
{
std::cout << refresh_string << "block " << h-1
<< " / " << block_stop
<< std::flush;
std::cout << ENDL << ENDL;
MINFO("Specified block number reached - stopping. block: " << h-1 << " total blocks: " << h);
quit = 1;
break;
}
try
{
str1.assign(buffer_block, chunk_size);
bootstrap::block_package bp;
if (! ::serialization::parse_binary(str1, bp))
throw std::runtime_error("Error in deserialization of chunk");
int display_interval = 1000;
int progress_interval = 10;
// NOTE: use of NUM_BLOCKS_PER_CHUNK is a placeholder in case multi-block chunks are later supported.
for (int chunk_ind = 0; chunk_ind < NUM_BLOCKS_PER_CHUNK; ++chunk_ind)
{
++h;
if ((h-1) % display_interval == 0)
{
std::cout << refresh_string;
MDEBUG("loading block number " << h-1);
}
else
{
MDEBUG("loading block number " << h-1);
}
b = bp.block;
MDEBUG("block prev_id: " << b.prev_id << ENDL);
if ((h-1) % progress_interval == 0)
{
std::cout << refresh_string << "block " << h-1
<< " / " << block_stop
<< std::flush;
}
if (opt_verify)
{
cryptonote::blobdata block;
cryptonote::block_to_blob(bp.block, block);
std::list<cryptonote::blobdata> txs;
for (const auto &tx: bp.txs)
{
txs.push_back(cryptonote::blobdata());
cryptonote::tx_to_blob(tx, txs.back());
}
blocks.push_back({block, txs});
int ret = check_flush(core, blocks, false);
if (ret)
{
quit = 2; // make sure we don't commit partial block data
break;
}
}
else
{
std::vector<transaction> txs;
std::vector<transaction> archived_txs;
archived_txs = bp.txs;
// tx number 1: coinbase tx
// tx number 2 onwards: archived_txs
for (transaction tx : archived_txs)
{
// add blocks with verification.
// for Blockchain and blockchain_storage add_new_block().
// for add_block() method, without (much) processing.
// don't add coinbase transaction to txs.
//
// because add_block() calls
// add_transaction(blk_hash, blk.miner_tx) first, and
// then a for loop for the transactions in txs.
txs.push_back(tx);
}
size_t block_size;
difficulty_type cumulative_difficulty;
uint64_t coins_generated;
block_size = bp.block_size;
cumulative_difficulty = bp.cumulative_difficulty;
coins_generated = bp.coins_generated;
try
{
core.get_blockchain_storage().get_db().add_block(b, block_size, cumulative_difficulty, coins_generated, txs);
}
catch (const std::exception& e)
{
std::cout << refresh_string;
MFATAL("Error adding block to blockchain: " << e.what());
quit = 2; // make sure we don't commit partial block data
break;
}
if (use_batch)
{
if ((h-1) % db_batch_size == 0)
{
uint64_t bytes, h2;
bool q2;
std::cout << refresh_string;
// zero-based height
std::cout << ENDL << "[- batch commit at height " << h-1 << " -]" << ENDL;
core.get_blockchain_storage().get_db().batch_stop();
pos = import_file.tellg();
bytes = bootstrap.count_bytes(import_file, db_batch_size, h2, q2);
import_file.seekg(pos);
core.get_blockchain_storage().get_db().batch_start(db_batch_size, bytes);
std::cout << ENDL;
core.get_blockchain_storage().get_db().show_stats();
}
}
}
++num_imported;
}
}
catch (const std::exception& e)
{
std::cout << refresh_string;
MFATAL("exception while reading from file, height=" << h << ": " << e.what());
return 2;
}
} // while
quitting:
import_file.close();
if (opt_verify)
{
int ret = check_flush(core, blocks, true);
if (ret)
return ret;
}
if (use_batch)
{
if (quit > 1)
{
// There was an error, so don't commit pending data.
// Destructor will abort write txn.
}
else
{
core.get_blockchain_storage().get_db().batch_stop();
}
}
core.get_blockchain_storage().get_db().show_stats();
MINFO("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
MINFO("Finished at block: " << h-1 << " total blocks: " << h);
std::cout << ENDL;
return 0;
}
int main(int argc, char* argv[])
{
TRY_ENTRY();
epee::string_tools::set_module_name_and_folder(argv[0]);
std::string default_db_type = "lmdb";
std::string available_dbs = cryptonote::blockchain_db_types(", ");
available_dbs = "available: " + available_dbs;
uint32_t log_level = 0;
uint64_t num_blocks = 0;
uint64_t block_stop = 0;
std::string m_config_folder;
std::string db_arg_str;
tools::on_startup();
boost::filesystem::path default_data_path {tools::get_default_data_dir()};
boost::filesystem::path default_testnet_data_path {default_data_path / "testnet"};
std::string import_file_path;
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
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_drop_hf = {"drop-hard-fork", "Drop hard fork subdbs", false};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
, false
};
const command_line::arg_descriptor<bool> arg_count_blocks = {
"count-blocks"
, "Count blocks in bootstrap file and exit"
, false
};
const command_line::arg_descriptor<std::string> arg_database = {
"database", available_dbs.c_str(), default_db_type
};
const command_line::arg_descriptor<bool> arg_verify = {"verify",
"Verify blocks and transactions during import", true};
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_database);
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, arg_drop_hf);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
// call add_options() directly for these arguments since
// command_line helpers support only boolean switch, not boolean argument
desc_cmd_sett.add_options()
(arg_verify.name, make_semantic(arg_verify), arg_verify.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_verify);
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 << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL;
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" << ENDL;
return 1;
}
if (! db_batch_size)
{
std::cerr << "Error: batch-size must be > 0" << ENDL;
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, arg_testnet_on);
auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
m_config_folder = command_line::get_arg(vm, data_dir_arg);
db_arg_str = command_line::get_arg(vm, arg_database);
mlog_configure(mlog_get_default_log_path("monero-blockchain-import.log"), true);
if (!command_line::is_arg_defaulted(vm, arg_log_level))
mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str());
else
mlog_set_log(std::string(std::to_string(log_level) + ",bcutil:INFO").c_str());
MINFO("Starting...");
boost::filesystem::path fs_import_file_path;
if (command_line::has_arg(vm, arg_input_file))
fs_import_file_path = boost::filesystem::path(command_line::get_arg(vm, arg_input_file));
else
fs_import_file_path = boost::filesystem::path(m_config_folder) / "export" / BLOCKCHAIN_RAW;
import_file_path = fs_import_file_path.string();
if (command_line::has_arg(vm, arg_count_blocks))
{
BootstrapFile bootstrap;
bootstrap.count_blocks(import_file_path);
return 0;
}
std::string db_type;
int db_flags = 0;
int res = 0;
res = parse_db_arguments(db_arg_str, db_type, db_flags);
if (res)
{
std::cerr << "Error parsing database argument(s)" << ENDL;
return 1;
}
if (!cryptonote::blockchain_valid_db_type(db_type))
{
std::cerr << "Invalid database type: " << db_type << std::endl;
return 1;
}
MINFO("database: " << db_type);
MINFO("database flags: " << db_flags);
MINFO("verify: " << std::boolalpha << opt_verify << std::noboolalpha);
if (opt_batch)
{
MINFO("batch: " << std::boolalpha << opt_batch << std::noboolalpha
<< " batch size: " << db_batch_size);
}
else
{
MINFO("batch: " << std::boolalpha << opt_batch << std::noboolalpha);
}
MINFO("resume: " << std::boolalpha << opt_resume << std::noboolalpha);
MINFO("testnet: " << std::boolalpha << opt_testnet << std::noboolalpha);
MINFO("bootstrap file path: " << import_file_path);
MINFO("database path: " << m_config_folder);
cryptonote::cryptonote_protocol_stub pr; //TODO: stub only for this kind of test, make real validation of relayed objects
cryptonote::core core(&pr);
try
{
core.disable_dns_checkpoints(true);
if (!core.init(vm, NULL))
{
std::cerr << "Failed to initialize core" << ENDL;
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);
MINFO("height: " << core.get_blockchain_storage().get_current_blockchain_height());
pop_blocks(core, num_blocks);
MINFO("height: " << core.get_blockchain_storage().get_current_blockchain_height());
return 0;
}
if (!command_line::is_arg_defaulted(vm, arg_drop_hf))
{
MINFO("Dropping hard fork tables...");
core.get_blockchain_storage().get_db().drop_hard_fork_info();
core.deinit();
return 0;
}
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" << ENDL;
core.deinit();
return 1;
}
return 0;
CATCH_ENTRY("Import error", 1);
}
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