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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file dagger.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
* Dashimoto test functions.
*/
#include <fstream>
#include "../JsonSpiritHeaders.h"
#include <libdevcore/CommonIO.h>
#include <libethcore/EthashAux.h>
#include <boost/test/unit_test.hpp>
#include "../TestHelper.h"
using namespace std;
using namespace dev;
using namespace dev::eth;
namespace js = json_spirit;
using dev::operator <<;
BOOST_AUTO_TEST_SUITE(DashimotoTests)
BOOST_AUTO_TEST_CASE(basic_test)
{
string testPath = test::getTestPath();
testPath += "/PoWTests";
cnote << "Testing Proof of Work...";
js::mValue v;
string s = contentsString(testPath + "/ethash_tests.json");
BOOST_REQUIRE_MESSAGE(s.length() > 0, "Contents of 'ethash_tests.json' is empty. Have you cloned the 'tests' repo branch develop?");
js::read_string(s, v);
for (auto& i: v.get_obj())
{
cnote << i.first;
js::mObject& o = i.second.get_obj();
vector<pair<string, string>> ss;
Ethash::BlockHeader header(fromHex(o["header"].get_str()), CheckNothing, h256{}, HeaderData);
h256 headerHash(o["header_hash"].get_str());
Nonce nonce(o["nonce"].get_str());
BOOST_REQUIRE_EQUAL(headerHash, header.hashWithout());
BOOST_REQUIRE_EQUAL(nonce, header.nonce());
unsigned cacheSize(o["cache_size"].get_int());
h256 cacheHash(o["cache_hash"].get_str());
BOOST_REQUIRE_EQUAL(EthashAux::get()->light(header.seedHash())->size, cacheSize);
BOOST_REQUIRE_EQUAL(sha3(EthashAux::get()->light(header.seedHash())->data()), cacheHash);
#if TEST_FULL
unsigned fullSize(o["full_size"].get_int());
h256 fullHash(o["full_hash"].get_str());
BOOST_REQUIRE_EQUAL(EthashAux::get()->full(header.seedHash())->size(), fullSize);
BOOST_REQUIRE_EQUAL(sha3(EthashAux::get()->full(header.seedHash())->data()), fullHash);
#endif
h256 result(o["result"].get_str());
EthashProofOfWork::Result r = EthashAux::eval(header.seedHash(), header.hashWithout(), header.nonce());
BOOST_REQUIRE_EQUAL(r.value, result);
BOOST_REQUIRE_EQUAL(r.mixHash, header.mixHash());
}
}
BOOST_AUTO_TEST_SUITE_END()