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-rw-r--r--src/test/miner_tests.cpp141
1 files changed, 125 insertions, 16 deletions
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index 469862518c..ca8d6d2e05 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -71,6 +71,113 @@ bool TestSequenceLocks(const CTransaction &tx, int flags)
return CheckSequenceLocks(tx, flags);
}
+// Test suite for ancestor feerate transaction selection.
+// Implemented as an additional function, rather than a separate test case,
+// to allow reusing the blockchain created in CreateNewBlock_validity.
+// Note that this test assumes blockprioritysize is 0.
+void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey, std::vector<CTransaction *>& txFirst)
+{
+ // Test the ancestor feerate transaction selection.
+ TestMemPoolEntryHelper entry;
+
+ // Test that a medium fee transaction will be selected after a higher fee
+ // rate package with a low fee rate parent.
+ CMutableTransaction tx;
+ tx.vin.resize(1);
+ tx.vin[0].scriptSig = CScript() << OP_1;
+ tx.vin[0].prevout.hash = txFirst[0]->GetHash();
+ tx.vin[0].prevout.n = 0;
+ tx.vout.resize(1);
+ tx.vout[0].nValue = 5000000000LL - 1000;
+ // This tx has a low fee: 1000 satoshis
+ uint256 hashParentTx = tx.GetHash(); // save this txid for later use
+ mempool.addUnchecked(hashParentTx, entry.Fee(1000).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
+
+ // This tx has a medium fee: 10000 satoshis
+ tx.vin[0].prevout.hash = txFirst[1]->GetHash();
+ tx.vout[0].nValue = 5000000000LL - 10000;
+ uint256 hashMediumFeeTx = tx.GetHash();
+ mempool.addUnchecked(hashMediumFeeTx, entry.Fee(10000).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
+
+ // This tx has a high fee, but depends on the first transaction
+ tx.vin[0].prevout.hash = hashParentTx;
+ tx.vout[0].nValue = 5000000000LL - 1000 - 50000; // 50k satoshi fee
+ uint256 hashHighFeeTx = tx.GetHash();
+ mempool.addUnchecked(hashHighFeeTx, entry.Fee(50000).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
+
+ CBlockTemplate *pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+ BOOST_CHECK(pblocktemplate->block.vtx[1].GetHash() == hashParentTx);
+ BOOST_CHECK(pblocktemplate->block.vtx[2].GetHash() == hashHighFeeTx);
+ BOOST_CHECK(pblocktemplate->block.vtx[3].GetHash() == hashMediumFeeTx);
+
+ // Test that a package below the min relay fee doesn't get included
+ tx.vin[0].prevout.hash = hashHighFeeTx;
+ tx.vout[0].nValue = 5000000000LL - 1000 - 50000; // 0 fee
+ uint256 hashFreeTx = tx.GetHash();
+ mempool.addUnchecked(hashFreeTx, entry.Fee(0).FromTx(tx));
+ size_t freeTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
+
+ // Calculate a fee on child transaction that will put the package just
+ // below the min relay fee (assuming 1 child tx of the same size).
+ CAmount feeToUse = minRelayTxFee.GetFee(2*freeTxSize) - 1;
+
+ tx.vin[0].prevout.hash = hashFreeTx;
+ tx.vout[0].nValue = 5000000000LL - 1000 - 50000 - feeToUse;
+ uint256 hashLowFeeTx = tx.GetHash();
+ mempool.addUnchecked(hashLowFeeTx, entry.Fee(feeToUse).FromTx(tx));
+ pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+ // Verify that the free tx and the low fee tx didn't get selected
+ for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
+ BOOST_CHECK(pblocktemplate->block.vtx[i].GetHash() != hashFreeTx);
+ BOOST_CHECK(pblocktemplate->block.vtx[i].GetHash() != hashLowFeeTx);
+ }
+
+ // Test that packages above the min relay fee do get included, even if one
+ // of the transactions is below the min relay fee
+ // Remove the low fee transaction and replace with a higher fee transaction
+ std::list<CTransaction> dummy;
+ mempool.removeRecursive(tx, dummy);
+ tx.vout[0].nValue -= 2; // Now we should be just over the min relay fee
+ hashLowFeeTx = tx.GetHash();
+ mempool.addUnchecked(hashLowFeeTx, entry.Fee(feeToUse+2).FromTx(tx));
+ pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+ BOOST_CHECK(pblocktemplate->block.vtx[4].GetHash() == hashFreeTx);
+ BOOST_CHECK(pblocktemplate->block.vtx[5].GetHash() == hashLowFeeTx);
+
+ // Test that transaction selection properly updates ancestor fee
+ // calculations as ancestor transactions get included in a block.
+ // Add a 0-fee transaction that has 2 outputs.
+ tx.vin[0].prevout.hash = txFirst[2]->GetHash();
+ tx.vout.resize(2);
+ tx.vout[0].nValue = 5000000000LL - 100000000;
+ tx.vout[1].nValue = 100000000; // 1BTC output
+ uint256 hashFreeTx2 = tx.GetHash();
+ mempool.addUnchecked(hashFreeTx2, entry.Fee(0).SpendsCoinbase(true).FromTx(tx));
+
+ // This tx can't be mined by itself
+ tx.vin[0].prevout.hash = hashFreeTx2;
+ tx.vout.resize(1);
+ feeToUse = minRelayTxFee.GetFee(freeTxSize);
+ tx.vout[0].nValue = 5000000000LL - 100000000 - feeToUse;
+ uint256 hashLowFeeTx2 = tx.GetHash();
+ mempool.addUnchecked(hashLowFeeTx2, entry.Fee(feeToUse).SpendsCoinbase(false).FromTx(tx));
+ pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+
+ // Verify that this tx isn't selected.
+ for (size_t i=0; i<pblocktemplate->block.vtx.size(); ++i) {
+ BOOST_CHECK(pblocktemplate->block.vtx[i].GetHash() != hashFreeTx2);
+ BOOST_CHECK(pblocktemplate->block.vtx[i].GetHash() != hashLowFeeTx2);
+ }
+
+ // 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
+ mempool.addUnchecked(tx.GetHash(), entry.Fee(10000).FromTx(tx));
+ pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+ BOOST_CHECK(pblocktemplate->block.vtx[8].GetHash() == hashLowFeeTx2);
+}
+
// NOTE: These tests rely on CreateNewBlock doing its own self-validation!
BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
{
@@ -89,7 +196,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
fCheckpointsEnabled = false;
// Simple block creation, nothing special yet:
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
// We can't make transactions until we have inputs
// Therefore, load 100 blocks :)
@@ -121,7 +228,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
delete pblocktemplate;
// Just to make sure we can still make simple blocks
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
const CAmount BLOCKSUBSIDY = 50*COIN;
@@ -146,7 +253,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
- BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
+ BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
tx.vin[0].prevout.hash = txFirst[0]->GetHash();
@@ -160,7 +267,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOps(20).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
mempool.clear();
@@ -181,14 +288,14 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
mempool.clear();
// orphan in mempool, template creation fails
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx));
- BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
+ BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// child with higher priority than parent
@@ -205,7 +312,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = tx.vout[0].nValue+BLOCKSUBSIDY-HIGHERFEE; //First txn output + fresh coinbase - new txn fee
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
mempool.clear();
@@ -217,7 +324,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
hash = tx.GetHash();
// give it a fee so it'll get mined
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
- BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
+ BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// invalid (pre-p2sh) txn in mempool, template creation fails
@@ -234,7 +341,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue -= LOWFEE;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
- BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
+ BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// double spend txn pair in mempool, template creation fails
@@ -247,7 +354,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
- BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error);
+ BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error);
mempool.clear();
// subsidy changing
@@ -263,7 +370,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
next->BuildSkip();
chainActive.SetTip(next);
}
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
// Extend to a 210000-long block chain.
while (chainActive.Tip()->nHeight < 210000) {
@@ -276,7 +383,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
next->BuildSkip();
chainActive.SetTip(next);
}
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
delete pblocktemplate;
// Delete the dummy blocks again.
while (chainActive.Tip()->nHeight > nHeight) {
@@ -363,7 +470,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1;
BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
// None of the of the absolute height/time locked tx should have made
// it into the template because we still check IsFinalTx in CreateNewBlock,
@@ -377,7 +484,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
chainActive.Tip()->nHeight++;
SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1);
- BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
+ BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey));
BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5);
delete pblocktemplate;
@@ -385,8 +492,10 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
SetMockTime(0);
mempool.clear();
- BOOST_FOREACH(CTransaction *tx, txFirst)
- delete tx;
+ TestPackageSelection(chainparams, scriptPubKey, txFirst);
+
+ BOOST_FOREACH(CTransaction *_tx, txFirst)
+ delete _tx;
fCheckpointsEnabled = true;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 02:43:41 +0000