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84 lines
3.3 KiB
C++
84 lines
3.3 KiB
C++
// Copyright (c) 2014-2019, The Monero 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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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include <cstddef>
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#include <cstdint>
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#include <fstream>
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#include <iostream>
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#include <vector>
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#include <algorithm>
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#include <stdexcept>
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#include "cryptonote_config.h"
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#include "cryptonote_basic/difficulty.h"
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using namespace std;
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#define DEFAULT_TEST_DIFFICULTY_TARGET 120
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int main(int argc, char *argv[]) {
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if (argc != 2) {
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cerr << "Wrong arguments" << endl;
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return 1;
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}
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vector<uint64_t> timestamps, cumulative_difficulties;
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fstream data(argv[1], fstream::in);
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data.exceptions(fstream::badbit);
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data.clear(data.rdstate());
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uint64_t timestamp, difficulty, cumulative_difficulty = 0;
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size_t n = 0;
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while (data >> timestamp >> difficulty) {
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size_t begin, end;
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if (n < DIFFICULTY_WINDOW + DIFFICULTY_LAG) {
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begin = 0;
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end = min(n, (size_t) DIFFICULTY_WINDOW);
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} else {
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end = n - DIFFICULTY_LAG;
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begin = end - DIFFICULTY_WINDOW;
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}
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uint64_t res = cryptonote::next_difficulty(
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vector<uint64_t>(timestamps.begin() + begin, timestamps.begin() + end),
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vector<uint64_t>(cumulative_difficulties.begin() + begin, cumulative_difficulties.begin() + end), DEFAULT_TEST_DIFFICULTY_TARGET);
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if (res != difficulty) {
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cerr << "Wrong difficulty for block " << n << endl
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<< "Expected: " << difficulty << endl
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<< "Found: " << res << endl;
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return 1;
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}
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timestamps.push_back(timestamp);
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cumulative_difficulties.push_back(cumulative_difficulty += difficulty);
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++n;
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}
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if (!data.eof()) {
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data.clear(fstream::badbit);
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}
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return 0;
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}
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