diff options
Diffstat (limited to '')
-rw-r--r-- | tests/difficulty/difficulty.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/difficulty/difficulty.cpp b/tests/difficulty/difficulty.cpp new file mode 100644 index 000000000..85c469391 --- /dev/null +++ b/tests/difficulty/difficulty.cpp @@ -0,0 +1,55 @@ +// 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; +} |