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Reverse the sort on the mempool's feerate index

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Suhas Daftuar 2015-09-24 13:21:31 -04:00 committed by Matt Corallo
parent 4ca6ddec4d
commit 78b82f4a16
2 changed files with 25 additions and 25 deletions
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46
src/test/mempool_tests.cpp
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@ -153,11 +153,11 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
std::vector<std::string> sortedOrder;
sortedOrder.resize(5);
sortedOrder[0] = tx2.GetHash().ToString(); // 20000
sortedOrder[1] = tx4.GetHash().ToString(); // 15000
sortedOrder[0] = tx3.GetHash().ToString(); // 0
sortedOrder[1] = tx5.GetHash().ToString(); // 10000
sortedOrder[2] = tx1.GetHash().ToString(); // 10000
sortedOrder[3] = tx5.GetHash().ToString(); // 10000
sortedOrder[4] = tx3.GetHash().ToString(); // 0
sortedOrder[3] = tx4.GetHash().ToString(); // 15000
sortedOrder[4] = tx2.GetHash().ToString(); // 20000
CheckSort(pool, sortedOrder);
/* low fee but with high fee child */
@ -169,7 +169,7 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
pool.addUnchecked(tx6.GetHash(), CTxMemPoolEntry(tx6, 0LL, 1, 10.0, 1, true));
BOOST_CHECK_EQUAL(pool.size(), 6);
// Check that at this point, tx6 is sorted low
sortedOrder.push_back(tx6.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin(), tx6.GetHash().ToString());
CheckSort(pool, sortedOrder);
CTxMemPool::setEntries setAncestors;
@ -194,9 +194,9 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
BOOST_CHECK_EQUAL(pool.size(), 7);
// Now tx6 should be sorted higher (high fee child): tx7, tx6, tx2, ...
sortedOrder.erase(sortedOrder.end()-1);
sortedOrder.insert(sortedOrder.begin(), tx6.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin(), tx7.GetHash().ToString());
sortedOrder.erase(sortedOrder.begin());
sortedOrder.push_back(tx6.GetHash().ToString());
sortedOrder.push_back(tx7.GetHash().ToString());
CheckSort(pool, sortedOrder);
/* low fee child of tx7 */
@ -211,7 +211,7 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
pool.addUnchecked(tx8.GetHash(), CTxMemPoolEntry(tx8, 0LL, 2, 10.0, 1, true), setAncestors);
// Now tx8 should be sorted low, but tx6/tx both high
sortedOrder.push_back(tx8.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin(), tx8.GetHash().ToString());
CheckSort(pool, sortedOrder);
/* low fee child of tx7 */
@ -226,7 +226,7 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
// tx9 should be sorted low
BOOST_CHECK_EQUAL(pool.size(), 9);
sortedOrder.push_back(tx9.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin(), tx9.GetHash().ToString());
CheckSort(pool, sortedOrder);
std::vector<std::string> snapshotOrder = sortedOrder;
@ -255,21 +255,21 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
* tx8 and tx9 should both now be sorted higher
* Final order after tx10 is added:
*
* tx7 = 2.2M (4 txs)
* tx6 = 2.2M (5 txs)
* tx10 = 200k (1 tx)
* tx8 = 200k (2 txs)
* tx9 = 200k (2 txs)
* tx2 = 20000 (1)
* tx4 = 15000 (1)
* tx1 = 10000 (1)
* tx5 = 10000 (1)
* tx3 = 0 (1)
* tx5 = 10000 (1)
* tx1 = 10000 (1)
* tx4 = 15000 (1)
* tx2 = 20000 (1)
* tx9 = 200k (2 txs)
* tx8 = 200k (2 txs)
* tx10 = 200k (1 tx)
* tx6 = 2.2M (5 txs)
* tx7 = 2.2M (4 txs)
*/
sortedOrder.erase(sortedOrder.end()-2, sortedOrder.end()); // take out tx8, tx9 from the end
sortedOrder.insert(sortedOrder.begin()+2, tx10.GetHash().ToString()); // tx10 is after tx6
sortedOrder.insert(sortedOrder.begin()+3, tx9.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin()+3, tx8.GetHash().ToString());
sortedOrder.erase(sortedOrder.begin(), sortedOrder.begin()+2); // take out tx9, tx8 from the beginning
sortedOrder.insert(sortedOrder.begin()+5, tx9.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin()+6, tx8.GetHash().ToString());
sortedOrder.insert(sortedOrder.begin()+7, tx10.GetHash().ToString()); // tx10 is just before tx6
CheckSort(pool, sortedOrder);
// there should be 10 transactions in the mempool

4
src/txmempool.h
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@ -160,9 +160,9 @@ public:
double f2 = aSize * bFees;
if (f1 == f2) {
return a.GetTime() < b.GetTime();
return a.GetTime() >= b.GetTime();
}
return f1 > f2;
return f1 < f2;
}
// Calculate which feerate to use for an entry (avoiding division).