text: // Copyright (c) 2017 The Bitcoin Money developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include <validation.h>
  #include <txmempool.h>
  #include <amount.h>
  #include <consensus/validation.h>
  #include <primitives/transaction.h>
  #include <script/script.h>
  #include <test/test_bitcoin.h>
  
  #include <boost/test/unit_test.hpp>
  
  
  BOOST_AUTO_TEST_SUITE(txvalidation_tests)
  
  /**
   * Ensure that the mempool won't accept coinbase transactions.
   */
  BOOST_FIXTURE_TEST_CASE(tx_mempool_reject_coinbase, TestChain100Setup)
  {
      CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
      CMutableTransaction coinbaseTx;
  
      coinbaseTx.nVersion = 1;
      coinbaseTx.vin.resize(1);
      coinbaseTx.vout.resize(1);
      coinbaseTx.vin[0].scriptSig = CScript() << OP_11 << OP_EQUAL;
      coinbaseTx.vout[0].nValue = 1 * CENT;
      coinbaseTx.vout[0].scriptPubKey = scriptPubKey;
  
      assert(CTransaction(coinbaseTx).IsCoinBase());
  
      CValidationState state;
  
      LOCK(cs_main);
  
      unsigned int initialPoolSize = mempool.size();
  
      BOOST_CHECK_EQUAL(
              false,
              AcceptToMemoryPool(mempool, state, MakeTransactionRef(coinbaseTx),
                  nullptr /* pfMissingInputs */,
                  nullptr /* plTxnReplaced */,
                  true /* bypass_limits */,
                  0 /* nAbsurdFee */));
  
      // Check that the transaction hasn't been added to mempool.
      BOOST_CHECK_EQUAL(mempool.size(), initialPoolSize);
  
      // Check that the validation state reflects the unsuccessful attempt.
      BOOST_CHECK(state.IsInvalid());
      BOOST_CHECK_EQUAL(state.GetRejectReason(), "coinbase");
  
      int nDoS;
      BOOST_CHECK_EQUAL(state.IsInvalid(nDoS), true);
      BOOST_CHECK_EQUAL(nDoS, 100);
  }
  
  BOOST_AUTO_TEST_SUITE_END()
  