77 lines
2.7 KiB
C++
Executable file
77 lines
2.7 KiB
C++
Executable file
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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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 "CryptoNoteConfig.h"
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#include "CryptoNoteCore/Difficulty.h"
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#include "CryptoNoteCore/Currency.h"
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#include "Logging/ConsoleLogger.h"
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using namespace std;
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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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Logging::ConsoleLogger logger;
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CryptoNote::CurrencyBuilder currencyBuilder(logger);
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currencyBuilder.difficultyTarget(120);
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currencyBuilder.difficultyWindow(720);
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currencyBuilder.difficultyCut(60);
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currencyBuilder.difficultyLag(15);
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CryptoNote::Currency currency = currencyBuilder.currency();
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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 < currency.difficultyWindow() + currency.difficultyLag()) {
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begin = 0;
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end = min(n, currency.difficultyWindow());
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} else {
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end = n - currency.difficultyLag();
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begin = end - currency.difficultyWindow();
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}
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uint64_t res = currency.nextDifficulty(
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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));
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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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