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-rw-r--r--src/Makefile.test.include1
-rw-r--r--src/test/mempool_tests.cpp104
-rw-r--r--src/txmempool.cpp12
3 files changed, 117 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 8dd0a28454..52ff3f224f 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -50,6 +50,7 @@ BITCOIN_TESTS =\
test/hash_tests.cpp \
test/key_tests.cpp \
test/main_tests.cpp \
+ test/mempool_tests.cpp \
test/miner_tests.cpp \
test/mruset_tests.cpp \
test/multisig_tests.cpp \
diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp
new file mode 100644
index 0000000000..0996e13c48
--- /dev/null
+++ b/src/test/mempool_tests.cpp
@@ -0,0 +1,104 @@
+// Copyright (c) 2011-2014 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "main.h"
+#include "txmempool.h"
+#include "util.h"
+
+#include "test/test_bitcoin.h"
+
+#include <boost/test/unit_test.hpp>
+#include <list>
+
+BOOST_FIXTURE_TEST_SUITE(mempool_tests, TestingSetup)
+
+BOOST_AUTO_TEST_CASE(MempoolRemoveTest)
+{
+ // Test CTxMemPool::remove functionality
+
+ // Parent transaction with three children,
+ // and three grand-children:
+ CMutableTransaction txParent;
+ txParent.vin.resize(1);
+ txParent.vin[0].scriptSig = CScript() << OP_11;
+ txParent.vout.resize(3);
+ for (int i = 0; i < 3; i++)
+ {
+ txParent.vout[i].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ txParent.vout[i].nValue = 33000LL;
+ }
+ CMutableTransaction txChild[3];
+ for (int i = 0; i < 3; i++)
+ {
+ txChild[i].vin.resize(1);
+ txChild[i].vin[0].scriptSig = CScript() << OP_11;
+ txChild[i].vin[0].prevout.hash = txParent.GetHash();
+ txChild[i].vin[0].prevout.n = i;
+ txChild[i].vout.resize(1);
+ txChild[i].vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ txChild[i].vout[0].nValue = 11000LL;
+ }
+ CMutableTransaction txGrandChild[3];
+ for (int i = 0; i < 3; i++)
+ {
+ txGrandChild[i].vin.resize(1);
+ txGrandChild[i].vin[0].scriptSig = CScript() << OP_11;
+ txGrandChild[i].vin[0].prevout.hash = txChild[i].GetHash();
+ txGrandChild[i].vin[0].prevout.n = 0;
+ txGrandChild[i].vout.resize(1);
+ txGrandChild[i].vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ txGrandChild[i].vout[0].nValue = 11000LL;
+ }
+
+
+ CTxMemPool testPool(CFeeRate(0));
+ std::list<CTransaction> removed;
+
+ // Nothing in pool, remove should do nothing:
+ testPool.remove(txParent, removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 0);
+
+ // Just the parent:
+ testPool.addUnchecked(txParent.GetHash(), CTxMemPoolEntry(txParent, 0, 0, 0.0, 1));
+ testPool.remove(txParent, removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 1);
+ removed.clear();
+
+ // Parent, children, grandchildren:
+ testPool.addUnchecked(txParent.GetHash(), CTxMemPoolEntry(txParent, 0, 0, 0.0, 1));
+ for (int i = 0; i < 3; i++)
+ {
+ testPool.addUnchecked(txChild[i].GetHash(), CTxMemPoolEntry(txChild[i], 0, 0, 0.0, 1));
+ testPool.addUnchecked(txGrandChild[i].GetHash(), CTxMemPoolEntry(txGrandChild[i], 0, 0, 0.0, 1));
+ }
+ // Remove Child[0], GrandChild[0] should be removed:
+ testPool.remove(txChild[0], removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 2);
+ removed.clear();
+ // ... make sure grandchild and child are gone:
+ testPool.remove(txGrandChild[0], removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 0);
+ testPool.remove(txChild[0], removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 0);
+ // Remove parent, all children/grandchildren should go:
+ testPool.remove(txParent, removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 5);
+ BOOST_CHECK_EQUAL(testPool.size(), 0);
+ removed.clear();
+
+ // Add children and grandchildren, but NOT the parent (simulate the parent being in a block)
+ for (int i = 0; i < 3; i++)
+ {
+ testPool.addUnchecked(txChild[i].GetHash(), CTxMemPoolEntry(txChild[i], 0, 0, 0.0, 1));
+ testPool.addUnchecked(txGrandChild[i].GetHash(), CTxMemPoolEntry(txGrandChild[i], 0, 0, 0.0, 1));
+ }
+ // Now remove the parent, as might happen if a block-re-org occurs but the parent cannot be
+ // put into the mempool (maybe because it is non-standard):
+ testPool.remove(txParent, removed, true);
+ BOOST_CHECK_EQUAL(removed.size(), 6);
+ BOOST_CHECK_EQUAL(testPool.size(), 0);
+ removed.clear();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 0d50660327..85ea3f77b5 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -444,6 +444,18 @@ void CTxMemPool::remove(const CTransaction &origTx, std::list<CTransaction>& rem
LOCK(cs);
std::deque<uint256> txToRemove;
txToRemove.push_back(origTx.GetHash());
+ if (fRecursive && !mapTx.count(origTx.GetHash())) {
+ // If recursively removing but origTx isn't in the mempool
+ // be sure to remove any children that are in the pool. This can
+ // happen during chain re-orgs if origTx isn't re-accepted into
+ // the mempool for any reason.
+ for (unsigned int i = 0; i < origTx.vout.size(); i++) {
+ std::map<COutPoint, CInPoint>::iterator it = mapNextTx.find(COutPoint(origTx.GetHash(), i));
+ if (it == mapNextTx.end())
+ continue;
+ txToRemove.push_back(it->second.ptx->GetHash());
+ }
+ }
while (!txToRemove.empty())
{
uint256 hash = txToRemove.front();