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