1  // Copyright (c) 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 <index/txospenderindex.h>
 6  #include <test/util/common.h>
 7  #include <test/util/setup_common.h>
 8  #include <validation.h>
 9  
10  #include <boost/test/unit_test.hpp>
11  
12  BOOST_AUTO_TEST_SUITE(txospenderindex_tests)
13  
14  BOOST_FIXTURE_TEST_CASE(txospenderindex_initial_sync, TestChain100Setup)
15  {
16      // Setup phase:
17      // Mine blocks for coinbase maturity, so we can spend some coinbase outputs in the test.
18      const CScript& coinbase_script = m_coinbase_txns[0]->vout[0].scriptPubKey;
19      for (int i = 0; i < 10; i++) CreateAndProcessBlock({}, coinbase_script);
20  
21      // Spend 10 outputs
22      std::vector<COutPoint> spent(10);
23      std::vector<CMutableTransaction> spender(spent.size());
24      for (size_t i = 0; i < spent.size(); i++) {
25          // Outpoint
26          auto coinbase_tx = m_coinbase_txns[i];
27          spent[i] = COutPoint(coinbase_tx->GetHash(), 0);
28  
29          // Spending tx
30          spender[i].version = 1;
31          spender[i].vin.resize(1);
32          spender[i].vin[0].prevout.hash = spent[i].hash;
33          spender[i].vin[0].prevout.n = spent[i].n;
34          spender[i].vout.resize(1);
35          spender[i].vout[0].nValue = coinbase_tx->GetValueOut();
36          spender[i].vout[0].scriptPubKey = coinbase_script;
37  
38          // Sign
39          std::vector<unsigned char> vchSig;
40          const uint256 hash = SignatureHash(coinbase_script, spender[i], 0, SIGHASH_ALL, 0, SigVersion::BASE);
41          BOOST_REQUIRE(coinbaseKey.Sign(hash, vchSig));
42          vchSig.push_back((unsigned char)SIGHASH_ALL);
43          spender[i].vin[0].scriptSig << vchSig;
44      }
45  
46      // Generate and ensure block has been fully processed
47      const uint256 tip_hash = CreateAndProcessBlock(spender, coinbase_script).GetHash();
48      m_node.validation_signals->SyncWithValidationInterfaceQueue();
49      BOOST_CHECK_EQUAL(WITH_LOCK(::cs_main, return m_node.chainman->ActiveTip()->GetBlockHash()), tip_hash);
50  
51      // Now we concluded the setup phase, run index
52      TxoSpenderIndex txospenderindex(interfaces::MakeChain(m_node), 1 << 20, true);
53      BOOST_REQUIRE(txospenderindex.Init());
54      BOOST_CHECK(!txospenderindex.BlockUntilSyncedToCurrentChain()); // false when not synced
55      BOOST_CHECK_NE(txospenderindex.GetSummary().best_block_hash, tip_hash);
56  
57      // Transaction should not be found in the index before it is synced.
58      for (const auto& outpoint : spent) {
59          BOOST_CHECK(!txospenderindex.FindSpender(outpoint).value());
60      }
61  
62      txospenderindex.Sync();
63      BOOST_CHECK_EQUAL(txospenderindex.GetSummary().best_block_hash, tip_hash);
64  
65      for (size_t i = 0; i < spent.size(); i++) {
66          const auto tx_spender{txospenderindex.FindSpender(spent[i])};
67          BOOST_REQUIRE(tx_spender.has_value());
68          BOOST_REQUIRE(tx_spender->has_value());
69          BOOST_CHECK_EQUAL((*tx_spender)->tx->GetHash(), spender[i].GetHash());
70          BOOST_CHECK_EQUAL((*tx_spender)->block_hash, tip_hash);
71      }
72  
73      // Shutdown sequence (c.f. Shutdown() in init.cpp)
74      txospenderindex.Stop();
75  }
76  
77  BOOST_AUTO_TEST_SUITE_END()