aboutsummaryrefslogtreecommitdiff
path: root/src/test/txvalidationcache_tests.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/txvalidationcache_tests.cpp')
-rw-r--r--src/test/txvalidationcache_tests.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/test/txvalidationcache_tests.cpp b/src/test/txvalidationcache_tests.cpp
new file mode 100644
index 0000000000..edad18644e
--- /dev/null
+++ b/src/test/txvalidationcache_tests.cpp
@@ -0,0 +1,86 @@
+// 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 "consensus/validation.h"
+#include "key.h"
+#include "main.h"
+#include "miner.h"
+#include "pubkey.h"
+#include "txmempool.h"
+#include "random.h"
+#include "script/standard.h"
+#include "test/test_bitcoin.h"
+#include "utiltime.h"
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_SUITE(tx_validationcache_tests)
+
+static bool
+ToMemPool(CMutableTransaction& tx)
+{
+ LOCK(cs_main);
+
+ CValidationState state;
+ return AcceptToMemoryPool(mempool, state, tx, false, NULL, false);
+}
+
+BOOST_FIXTURE_TEST_CASE(tx_mempool_block_doublespend, TestChain100Setup)
+{
+ // Make sure skipping validation of transctions that were
+ // validated going into the memory pool does not allow
+ // double-spends in blocks to pass validation when they should not.
+
+ CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
+
+ // Create a double-spend of mature coinbase txn:
+ std::vector<CMutableTransaction> spends;
+ spends.resize(2);
+ for (int i = 0; i < 2; i++)
+ {
+ spends[i].vin.resize(1);
+ spends[i].vin[0].prevout.hash = coinbaseTxns[0].GetHash();
+ spends[i].vin[0].prevout.n = 0;
+ spends[i].vout.resize(1);
+ spends[i].vout[0].nValue = 11*CENT;
+ spends[i].vout[0].scriptPubKey = scriptPubKey;
+
+ // Sign:
+ std::vector<unsigned char> vchSig;
+ uint256 hash = SignatureHash(scriptPubKey, spends[i], 0, SIGHASH_ALL);
+ BOOST_CHECK(coinbaseKey.Sign(hash, vchSig));
+ vchSig.push_back((unsigned char)SIGHASH_ALL);
+ spends[i].vin[0].scriptSig << vchSig;
+ }
+
+ CBlock block;
+
+ // Test 1: block with both of those transactions should be rejected.
+ block = CreateAndProcessBlock(spends, scriptPubKey);
+ BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash());
+
+ // Test 2: ... and should be rejected if spend1 is in the memory pool
+ BOOST_CHECK(ToMemPool(spends[0]));
+ block = CreateAndProcessBlock(spends, scriptPubKey);
+ BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash());
+ mempool.clear();
+
+ // Test 3: ... and should be rejected if spend2 is in the memory pool
+ BOOST_CHECK(ToMemPool(spends[1]));
+ block = CreateAndProcessBlock(spends, scriptPubKey);
+ BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash());
+ mempool.clear();
+
+ // Final sanity test: first spend in mempool, second in block, that's OK:
+ std::vector<CMutableTransaction> oneSpend;
+ oneSpend.push_back(spends[0]);
+ BOOST_CHECK(ToMemPool(spends[1]));
+ block = CreateAndProcessBlock(oneSpend, scriptPubKey);
+ BOOST_CHECK(chainActive.Tip()->GetBlockHash() == block.GetHash());
+ // spends[1] should have been removed from the mempool when the
+ // block with spends[0] is accepted:
+ BOOST_CHECK_EQUAL(mempool.size(), 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()