67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
|
// Copyright (c) 2015 The Bitcoin Core developers
|
||
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
||
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||
|
|
|
||
|
|
#include "main.h"
|
||
|
|
#include "pow.h"
|
||
|
|
#include "util.h"
|
||
|
|
|
||
|
|
#include <boost/test/unit_test.hpp>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_SUITE(pow_tests)
|
||
|
|
|
||
|
|
/* Test calculation of next difficulty target with no constraints applying */
|
||
|
|
BOOST_AUTO_TEST_CASE(get_next_work)
|
||
|
|
{
|
||
|
|
SelectParams(CBaseChainParams::MAIN);
|
||
|
|
|
||
|
|
int64_t nLastRetargetTime = 1261130161; // Block #30240
|
||
|
|
CBlockIndex pindexLast;
|
||
|
|
pindexLast.nHeight = 32255;
|
||
|
|
pindexLast.nTime = 1262152739; // Block #32255
|
||
|
|
pindexLast.nBits = 0x1d00ffff;
|
||
|
|
BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime), 0x1d00d86a);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Test the constraint on the upper bound for next work */
|
||
|
|
BOOST_AUTO_TEST_CASE(get_next_work_pow_limit)
|
||
|
|
{
|
||
|
|
SelectParams(CBaseChainParams::MAIN);
|
||
|
|
|
||
|
|
int64_t nLastRetargetTime = 1231006505; // Block #0
|
||
|
|
CBlockIndex pindexLast;
|
||
|
|
pindexLast.nHeight = 2015;
|
||
|
|
pindexLast.nTime = 1233061996; // Block #2015
|
||
|
|
pindexLast.nBits = 0x1d00ffff;
|
||
|
|
BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime), 0x1d00ffff);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Test the constraint on the lower bound for actual time taken */
|
||
|
|
BOOST_AUTO_TEST_CASE(get_next_work_lower_limit_actual)
|
||
|
|
{
|
||
|
|
SelectParams(CBaseChainParams::MAIN);
|
||
|
|
|
||
|
|
int64_t nLastRetargetTime = 1279008237; // Block #66528
|
||
|
|
CBlockIndex pindexLast;
|
||
|
|
pindexLast.nHeight = 68543;
|
||
|
|
pindexLast.nTime = 1279297671; // Block #68543
|
||
|
|
pindexLast.nBits = 0x1c05a3f4;
|
||
|
|
BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime), 0x1c0168fd);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Test the constraint on the upper bound for actual time taken */
|
||
|
|
BOOST_AUTO_TEST_CASE(get_next_work_upper_limit_actual)
|
||
|
|
{
|
||
|
|
SelectParams(CBaseChainParams::MAIN);
|
||
|
|
int64_t nLastRetargetTime = 1263163443; // NOTE: Not an actual block time
|
||
|
|
CBlockIndex pindexLast;
|
||
|
|
pindexLast.nHeight = 46367;
|
||
|
|
pindexLast.nTime = 1269211443; // Block #46367
|
||
|
|
pindexLast.nBits = 0x1c387f6f;
|
||
|
|
BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime), 0x1d00e1fd);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_SUITE_END()
|