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Merge pull request #195 from JaredTate/develop
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Fix mempool_tests.cpp Unit Test
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ycagel committed Mar 14, 2024
2 parents d486a8d + 7afcc93 commit b9e9c4f
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Showing 2 changed files with 11 additions and 9 deletions.
16 changes: 9 additions & 7 deletions src/test/mempool_tests.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -473,7 +473,7 @@ BOOST_AUTO_TEST_CASE(MempoolSizeLimitTest)
BOOST_CHECK(!pool.exists(tx3.GetHash()));

CFeeRate maxFeeRateRemoved(25000, GetVirtualTransactionSize(CTransaction(tx3)) + GetVirtualTransactionSize(CTransaction(tx2)));
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), maxFeeRateRemoved.GetFeePerK() + 1000);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), maxFeeRateRemoved.GetFeePerK() + 10000);

CMutableTransaction tx4 = CMutableTransaction();
tx4.vin.resize(2);
Expand Down Expand Up @@ -550,24 +550,26 @@ BOOST_AUTO_TEST_CASE(MempoolSizeLimitTest)
std::vector<CTransactionRef> vtx;
SetMockTime(42);
SetMockTime(42 + CTxMemPool::ROLLING_FEE_HALFLIFE);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), maxFeeRateRemoved.GetFeePerK() + 1000);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), maxFeeRateRemoved.GetFeePerK() + 10000);
// ... 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(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/2.0));
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 10000)/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(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/4.0));
BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 10000)/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(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/8.0));
BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 10000)/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);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), 1000);
BOOST_TEST_MESSAGE("Current minimum fee: " << pool.GetMinFee(1).GetFeePerK());
SetMockTime(42 + 4*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), 10000);
// ... but feerate should never drop below 1000
BOOST_TEST_MESSAGE("Current minimum fee: " << pool.GetMinFee(1).GetFeePerK());

SetMockTime(42 + 8*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4);
BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), 0);
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4 changes: 2 additions & 2 deletions src/test/miner_tests.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -197,8 +197,8 @@ void MinerTestingSetup::TestPackageSelection(const CChainParams& chainparams, co
// This tx will be mineable, and should cause hashLowFeeTx2 to be selected
// as well.
tx.vin[0].prevout.n = 1;
tx.vout[0].nValue = 100000000 - 10000; // 10k satoshi fee
m_node.mempool->addUnchecked(entry.Fee(10000).FromTx(tx));
tx.vout[0].nValue = 100000000 - 100000; // 10k satoshi fee
m_node.mempool->addUnchecked(entry.Fee(100000).FromTx(tx));
pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey, ALGO_SCRYPT);
BOOST_REQUIRE_EQUAL(pblocktemplate->block.vtx.size(), 9U);
BOOST_CHECK(pblocktemplate->block.vtx[8]->GetHash() == hashLowFeeTx2);
Expand Down

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