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86 lines
3.0 KiB
86 lines
3.0 KiB
// Copyright (c) 2011-2015 The Bitcoin Core developers |
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// Distributed under the MIT software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#include "consensus/validation.h" |
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#include "key.h" |
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#include "main.h" |
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#include "miner.h" |
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#include "pubkey.h" |
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#include "txmempool.h" |
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#include "random.h" |
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#include "script/standard.h" |
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#include "test/test_bitcoin.h" |
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#include "utiltime.h" |
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#include <boost/test/unit_test.hpp> |
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BOOST_AUTO_TEST_SUITE(tx_validationcache_tests) |
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static bool |
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ToMemPool(CMutableTransaction& tx) |
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{ |
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LOCK(cs_main); |
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CValidationState state; |
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return AcceptToMemoryPool(mempool, state, tx, false, NULL, true, 0); |
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} |
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BOOST_FIXTURE_TEST_CASE(tx_mempool_block_doublespend, TestChain100Setup) |
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{ |
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// Make sure skipping validation of transctions that were |
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// validated going into the memory pool does not allow |
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// double-spends in blocks to pass validation when they should not. |
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CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG; |
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// Create a double-spend of mature coinbase txn: |
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std::vector<CMutableTransaction> spends; |
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spends.resize(2); |
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for (int i = 0; i < 2; i++) |
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{ |
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spends[i].vin.resize(1); |
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spends[i].vin[0].prevout.hash = coinbaseTxns[0].GetHash(); |
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spends[i].vin[0].prevout.n = 0; |
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spends[i].vout.resize(1); |
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spends[i].vout[0].nValue = 11*CENT; |
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spends[i].vout[0].scriptPubKey = scriptPubKey; |
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// Sign: |
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std::vector<unsigned char> vchSig; |
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uint256 hash = SignatureHash(scriptPubKey, spends[i], 0, SIGHASH_ALL, 0, SIGVERSION_BASE); |
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BOOST_CHECK(coinbaseKey.Sign(hash, vchSig)); |
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vchSig.push_back((unsigned char)SIGHASH_ALL); |
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spends[i].vin[0].scriptSig << vchSig; |
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} |
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CBlock block; |
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// Test 1: block with both of those transactions should be rejected. |
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block = CreateAndProcessBlock(spends, scriptPubKey); |
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BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash()); |
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// Test 2: ... and should be rejected if spend1 is in the memory pool |
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BOOST_CHECK(ToMemPool(spends[0])); |
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block = CreateAndProcessBlock(spends, scriptPubKey); |
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BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash()); |
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mempool.clear(); |
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// Test 3: ... and should be rejected if spend2 is in the memory pool |
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BOOST_CHECK(ToMemPool(spends[1])); |
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block = CreateAndProcessBlock(spends, scriptPubKey); |
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BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash()); |
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mempool.clear(); |
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// Final sanity test: first spend in mempool, second in block, that's OK: |
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std::vector<CMutableTransaction> oneSpend; |
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oneSpend.push_back(spends[0]); |
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BOOST_CHECK(ToMemPool(spends[1])); |
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block = CreateAndProcessBlock(oneSpend, scriptPubKey); |
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BOOST_CHECK(chainActive.Tip()->GetBlockHash() == block.GetHash()); |
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// spends[1] should have been removed from the mempool when the |
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// block with spends[0] is accepted: |
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BOOST_CHECK_EQUAL(mempool.size(), 0); |
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} |
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BOOST_AUTO_TEST_SUITE_END()
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