Inside Bitcoin

1// Copyright (c) 2020-present 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 <chain.h>
6#include <index/coinstatsindex.h>
7#include <interfaces/chain.h>
8#include <kernel/coinstats.h>
9#include <key.h>
10#include <primitives/block.h>
11#include <primitives/transaction.h>
12#include <script/script.h>
13#include <sync.h>
14#include <test/util/setup_common.h>
15#include <util/check.h>
16#include <validation.h>
17
18#include <boost/test/unit_test.hpp>
19
20#include <memory>
21#include <optional>
22#include <span>
23#include <vector>
24
25BOOST_AUTO_TEST_SUITE(coinstatsindex_tests)
26
27BOOST_FIXTURE_TEST_CASE(coinstatsindex_initial_sync, TestChain100Setup)
28{
29    CoinStatsIndex coin_stats_index{interfaces::MakeChain(m_node), 1_MiB, true};
30    BOOST_REQUIRE(coin_stats_index.Init());
31
32    const CBlockIndex* block_index;
33    {
34        LOCK(cs_main);
35        block_index = m_node.chainman->ActiveChain().Tip();
36    }
37
38    // CoinStatsIndex should not be found before it is started.
39    BOOST_CHECK(!coin_stats_index.LookUpStats(*block_index));
40
41    // BlockUntilSyncedToCurrentChain should return false before CoinStatsIndex
42    // is started.
43    BOOST_CHECK(!coin_stats_index.BlockUntilSyncedToCurrentChain());
44
45    coin_stats_index.Sync();
46
47    // Check that CoinStatsIndex works for genesis block.
48    const CBlockIndex* genesis_block_index;
49    {
50        LOCK(cs_main);
51        genesis_block_index = m_node.chainman->ActiveChain().Genesis();
52    }
53    BOOST_CHECK(coin_stats_index.LookUpStats(*genesis_block_index));
54
55    // Check that CoinStatsIndex updates with new blocks.
56    BOOST_CHECK(coin_stats_index.LookUpStats(*block_index));
57
58    const CScript script_pub_key{CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG};
59    std::vector<CMutableTransaction> noTxns;
60    CreateAndProcessBlock(noTxns, script_pub_key);
61
62    // Let the CoinStatsIndex to catch up again.
63    BOOST_CHECK(coin_stats_index.BlockUntilSyncedToCurrentChain());
64
65    const CBlockIndex* new_block_index;
66    {
67        LOCK(cs_main);
68        new_block_index = m_node.chainman->ActiveChain().Tip();
69    }
70    BOOST_CHECK(coin_stats_index.LookUpStats(*new_block_index));
71
72    BOOST_CHECK(block_index != new_block_index);
73
74    // Shutdown sequence (c.f. Shutdown() in init.cpp)
75    coin_stats_index.Stop();
76}
77
78BOOST_AUTO_TEST_SUITE_END()
79