1 // Copyright (c) 2017-2020 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 <chainparams.h>
6 #include <index/txindex.h>
7 #include <script/standard.h>
8 #include <test/util/setup_common.h>
9 #include <util/time.h>
10 #include <validation.h>
11 
12 #include <boost/test/unit_test.hpp>
13 
14 BOOST_AUTO_TEST_SUITE(txindex_tests)
15 
BOOST_FIXTURE_TEST_CASE(txindex_initial_sync,TestChain100Setup)16 BOOST_FIXTURE_TEST_CASE(txindex_initial_sync, TestChain100Setup)
17 {
18     TxIndex txindex(1 << 20, true);
19 
20     CTransactionRef tx_disk;
21     uint256 block_hash;
22 
23     // Transaction should not be found in the index before it is started.
24     for (const auto& txn : m_coinbase_txns) {
25         BOOST_CHECK(!txindex.FindTx(txn->GetHash(), block_hash, tx_disk));
26     }
27 
28     // BlockUntilSyncedToCurrentChain should return false before txindex is started.
29     BOOST_CHECK(!txindex.BlockUntilSyncedToCurrentChain());
30 
31     BOOST_REQUIRE(txindex.Start(m_node.chainman->ActiveChainstate()));
32 
33     // Allow tx index to catch up with the block index.
34     constexpr int64_t timeout_ms = 10 * 1000;
35     int64_t time_start = GetTimeMillis();
36     while (!txindex.BlockUntilSyncedToCurrentChain()) {
37         BOOST_REQUIRE(time_start + timeout_ms > GetTimeMillis());
38         UninterruptibleSleep(std::chrono::milliseconds{100});
39     }
40 
41     // Check that txindex excludes genesis block transactions.
42     const CBlock& genesis_block = Params().GenesisBlock();
43     for (const auto& txn : genesis_block.vtx) {
44         BOOST_CHECK(!txindex.FindTx(txn->GetHash(), block_hash, tx_disk));
45     }
46 
47     // Check that txindex has all txs that were in the chain before it started.
48     for (const auto& txn : m_coinbase_txns) {
49         if (!txindex.FindTx(txn->GetHash(), block_hash, tx_disk)) {
50             BOOST_ERROR("FindTx failed");
51         } else if (tx_disk->GetHash() != txn->GetHash()) {
52             BOOST_ERROR("Read incorrect tx");
53         }
54     }
55 
56     // Check that new transactions in new blocks make it into the index.
57     for (int i = 0; i < 10; i++) {
58         CScript coinbase_script_pub_key = GetScriptForDestination(PKHash(coinbaseKey.GetPubKey()));
59         std::vector<CMutableTransaction> no_txns;
60         const CBlock& block = CreateAndProcessBlock(no_txns, coinbase_script_pub_key);
61         const CTransaction& txn = *block.vtx[0];
62 
63         BOOST_CHECK(txindex.BlockUntilSyncedToCurrentChain());
64         if (!txindex.FindTx(txn.GetHash(), block_hash, tx_disk)) {
65             BOOST_ERROR("FindTx failed");
66         } else if (tx_disk->GetHash() != txn.GetHash()) {
67             BOOST_ERROR("Read incorrect tx");
68         }
69     }
70 
71     // shutdown sequence (c.f. Shutdown() in init.cpp)
72     txindex.Stop();
73 
74     // Let scheduler events finish running to avoid accessing any memory related to txindex after it is destructed
75     SyncWithValidationInterfaceQueue();
76 }
77 
78 BOOST_AUTO_TEST_SUITE_END()
79