56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
|
// Copyright (c) 2012-2013 The Cryptonote developers
|
||
|
// Distributed under the MIT/X11 software license, see the accompanying
|
||
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||
|
|
||
|
#include <cstddef>
|
||
|
#include <cstdint>
|
||
|
#include <fstream>
|
||
|
#include <iostream>
|
||
|
#include <vector>
|
||
|
|
||
|
#include "cryptonote_config.h"
|
||
|
#include "cryptonote_core/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;
|
||
|
}
|