src/test/txvalidation_tests.cpp

   1 // Copyright (c) 2017 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include <validation.h>
   6 #include <txmempool.h>
   7 #include <amount.h>
   8 #include <consensus/validation.h>
   9 #include <primitives/transaction.h>
  10 #include <script/script.h>
  11 #include <test/test_bitcoin.h>
  12
  13 #include <boost/test/unit_test.hpp>
  14
  15
  16 BOOST_AUTO_TEST_SUITE(txvalidation_tests)
  17
  18 /**
  19  * Ensure that the mempool won't accept coinbase transactions.
  20  */
  21 BOOST_FIXTURE_TEST_CASE(tx_mempool_reject_coinbase, TestChain100Setup)
  22 {
  23     CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
  24     CMutableTransaction coinbaseTx;
  25
  26     coinbaseTx.nVersion = 1;
  27     coinbaseTx.vin.resize(1);
  28     coinbaseTx.vout.resize(1);
  29     coinbaseTx.vin[0].scriptSig = CScript() << OP_11 << OP_EQUAL;
  30     coinbaseTx.vout[0].nValue = 1 * CENT;
  31     coinbaseTx.vout[0].scriptPubKey = scriptPubKey;
  32
  33     assert(CTransaction(coinbaseTx).IsCoinBase());
  34
  35     CValidationState state;
  36
  37     LOCK(cs_main);
  38
  39     unsigned int initialPoolSize = mempool.size();
  40
  41     BOOST_CHECK_EQUAL(
  42             false,
  43             AcceptToMemoryPool(mempool, state, MakeTransactionRef(coinbaseTx),
  44                 nullptr /* pfMissingInputs */,
  45                 nullptr /* plTxnReplaced */,
  46                 true /* bypass_limits */,
  47                 0 /* nAbsurdFee */));
  48
  49     // Check that the transaction hasn't been added to mempool.
  50     BOOST_CHECK_EQUAL(mempool.size(), initialPoolSize);
  51
  52     // Check that the validation state reflects the unsuccessful attempt.
  53     BOOST_CHECK(state.IsInvalid());
  54     BOOST_CHECK_EQUAL(state.GetRejectReason(), "coinbase");
  55
  56     int nDoS;
  57     BOOST_CHECK_EQUAL(state.IsInvalid(nDoS), true);
  58     BOOST_CHECK_EQUAL(nDoS, 100);
  59 }
  60
  61 BOOST_AUTO_TEST_SUITE_END()