From 1789e4675b17f274fcb0761321e6fd249a102f40 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Mon, 11 Sep 2017 15:47:09 -0400 Subject: Force explicit double -> int conversion for CFeeRate constructor This resolves an issue where estimatesmartfee would return 999 sat/byte instead of 1000, due to floating point loss of precision Thanks to sipa for suggesting is_integral. --- src/test/mempool_tests.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/test/mempool_tests.cpp') diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp index 51b28d09fa..116210a297 100644 --- a/src/test/mempool_tests.cpp +++ b/src/test/mempool_tests.cpp @@ -559,15 +559,15 @@ BOOST_AUTO_TEST_CASE(MempoolSizeLimitTest) // ... we should keep the same min fee until we get a block pool.removeForBlock(vtx, 1); SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE); - BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/2); + BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/2.0)); // ... then feerate should drop 1/2 each halflife SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2); - BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/4); + BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/4.0)); // ... with a 1/2 halflife when mempool is < 1/2 its target size SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4); - BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/8); + BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/8.0)); // ... with a 1/4 halflife when mempool is < 1/4 its target size SetMockTime(42 + 7*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4); -- cgit v1.2.3