Git-Mirrors/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2025-07-31 19:58:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

Make difficulty 128 bit instead of 64 bit

Browse source 
Based on Boolberry work by:
  jahrsg <jahr@jahr.me>
  cr.zoidberg <crypto.zoidberg@gmail.com>
This commit is contained in:
moneromooo-monero 2019-01-31 10:44:08 +00:00
parent e4b049da05
commit 91f4c7f45f
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
30 changed files with 787 additions and 62 deletions
Download patch file Download diff file Expand all files Collapse all files

80
tests/difficulty/difficulty.cpp
View file

@ -43,16 +43,15 @@ 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);
static int test_wide_difficulty(const char *filename)
{
std::vector<uint64_t> timestamps;
std::vector<cryptonote::difficulty_type> cumulative_difficulties;
fstream data(filename, fstream::in);
data.exceptions(fstream::badbit);
data.clear(data.rdstate());
uint64_t timestamp, difficulty, cumulative_difficulty = 0;
uint64_t timestamp;
cryptonote::difficulty_type difficulty, cumulative_difficulty = 0;
size_t n = 0;
while (data >> timestamp >> difficulty) {
size_t begin, end;
@ -63,11 +62,11 @@ int main(int argc, char *argv[]) {
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);
cryptonote::difficulty_type res = cryptonote::next_difficulty(
std::vector<uint64_t>(timestamps.begin() + begin, timestamps.begin() + end),
std::vector<cryptonote::difficulty_type>(cumulative_difficulties.begin() + begin, cumulative_difficulties.begin() + end), DEFAULT_TEST_DIFFICULTY_TARGET);
if (res != difficulty) {
cerr << "Wrong difficulty for block " << n << endl
cerr << "Wrong wide difficulty for block " << n << endl
<< "Expected: " << difficulty << endl
<< "Found: " << res << endl;
return 1;
@ -81,3 +80,60 @@ int main(int argc, char *argv[]) {
}
return 0;
}
int main(int argc, char *argv[]) {
if (argc < 2) {
cerr << "Wrong arguments" << endl;
return 1;
}
if (argc == 3 && strcmp(argv[1], "--wide") == 0)
{
return test_wide_difficulty(argv[2]);
}
vector<uint64_t> timestamps, cumulative_difficulties;
std::vector<cryptonote::difficulty_type> wide_cumulative_difficulties;
fstream data(argv[1], fstream::in);
data.exceptions(fstream::badbit);
data.clear(data.rdstate());
uint64_t timestamp;
uint64_t difficulty, cumulative_difficulty = 0;
cryptonote::difficulty_type wide_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_64(
vector<uint64_t>(timestamps.begin() + begin, timestamps.begin() + end),
std::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;
}
cryptonote::difficulty_type wide_res = cryptonote::next_difficulty(
std::vector<uint64_t>(timestamps.begin() + begin, timestamps.begin() + end),
std::vector<cryptonote::difficulty_type>(wide_cumulative_difficulties.begin() + begin, wide_cumulative_difficulties.begin() + end), DEFAULT_TEST_DIFFICULTY_TARGET);
if (wide_res.convert_to<uint64_t>() != res) {
cerr << "Wrong wide difficulty for block " << n << endl
<< "Expected: " << res << endl
<< "Found: " << wide_res << endl;
return 1;
}
timestamps.push_back(timestamp);
cumulative_difficulties.push_back(cumulative_difficulty += difficulty);
wide_cumulative_difficulties.push_back(wide_cumulative_difficulty += difficulty);
++n;
}
if (!data.eof()) {
data.clear(fstream::badbit);
}
return 0;
}