Differential D7005 Diff 22490 src/pow/test/daa_tests.cpp

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src/pow/test/daa_tests.cpp

Show First 20 Lines • Show All 193 Lines • ▼ Show 20 Lines	for (size_t j = 0; j < 5; i++, j++) {
blocks[i] = GetBlockIndex(&blocks[i - 1], 6000, nBits);		blocks[i] = GetBlockIndex(&blocks[i - 1], 6000, nBits);
const uint32_t nextBits =		const uint32_t nextBits =
GetNextDAAWorkRequired(&blocks[i], &blkHeaderDummy, params);		GetNextDAAWorkRequired(&blocks[i], &blkHeaderDummy, params);

// Check the difficulty stays constant.		// Check the difficulty stays constant.
BOOST_CHECK_EQUAL(nextBits, powLimitBits);		BOOST_CHECK_EQUAL(nextBits, powLimitBits);
nBits = nextBits;		nBits = nextBits;
}		}

		// We will now mine blocks much faster. For a while, the difficulty will
		// continue to go down.
		for (size_t j = 0; j < 130; i++, j++) {
		blocks[i] = GetBlockIndex(&blocks[i - 1], 10, nBits);
		const uint32_t nextBits =
		GetNextDAAWorkRequired(&blocks[i], &blkHeaderDummy, params);

		arith_uint256 currentTarget;
		currentTarget.SetCompact(nBits);
		arith_uint256 nextTarget;
		nextTarget.SetCompact(nextBits);

		// Check the difficulty decreases.
		BOOST_CHECK(nextTarget <= powLimit);
		BOOST_CHECK(nextTarget >= currentTarget);
		BOOST_CHECK((nextTarget - currentTarget) < (currentTarget >> 3));

		nBits = nextBits;
		}

		// Now the difficulty will go back up, and evetually we will trigger the
		// cliff code.
		for (size_t j = 0; j < 70; i++, j++) {
		blocks[i] = GetBlockIndex(&blocks[i - 1], 10, nBits);
		const uint32_t nextBits =
		GetNextDAAWorkRequired(&blocks[i], &blkHeaderDummy, params);

		arith_uint256 currentTarget;
		currentTarget.SetCompact(nBits);
		arith_uint256 nextTarget;
		nextTarget.SetCompact(nextBits);

		// Check the difficulty decreases.
		BOOST_CHECK(nextTarget < currentTarget);
		BOOST_CHECK((currentTarget - nextTarget) < (currentTarget >> 3));

		nBits = nextBits;
		}

		// Check the actual value.
		BOOST_CHECK_EQUAL(nBits, 0x1c4c068c);
}		}

BOOST_AUTO_TEST_SUITE_END()		BOOST_AUTO_TEST_SUITE_END()