Function BOOST_AUTO_TEST_CASE

src/test/denialofservice_tests.cpp:51–115

// being applied to nodes which send headers with sufficient
// work.
BOOST_AUTO_TEST_CASE(outbound_slow_chain_eviction)
{
    const CChainParams& chainparams = Params();
    auto connman = std::make_unique<CConnman>(0x1337, 0x1337, *m_node.addrman);
    // Disable inactivity checks for this test to avoid interference
    static_cast<ConnmanTestMsg*>(connman.get())->SetPeerConnectTimeout(99999s);
    auto peerLogic = PeerManager::make(chainparams, *connman, *m_node.addrman, nullptr,
                                       *m_node.chainman, *m_node.mempool, false);

    // Mock an outbound peer
    CAddress addr1(ip(0xa0b0c001), NODE_NONE);
    CNode dummyNode1{id++,
                     ServiceFlags(NODE_NETWORK | NODE_WITNESS),
                     /*sock=*/nullptr,
                     addr1,
                     /*nKeyedNetGroupIn=*/0,
                     /*nLocalHostNonceIn=*/0,
                     CAddress(),
                     /*addrNameIn=*/"",
                     ConnectionType::OUTBOUND_FULL_RELAY,
                     /*inbound_onion=*/false};
    dummyNode1.SetCommonVersion(PROTOCOL_VERSION);

    peerLogic->InitializeNode(&dummyNode1);
    dummyNode1.fSuccessfullyConnected = true;

    // This test requires that we have a chain with non-zero work.
    {
        LOCK(cs_main);
        BOOST_CHECK(m_node.chainman->ActiveChain().Tip() != nullptr);
        BOOST_CHECK(m_node.chainman->ActiveChain().Tip()->nChainWork > 0);
    }

    // Test starts here
    {
        LOCK(dummyNode1.cs_sendProcessing);
        BOOST_CHECK(peerLogic->SendMessages(&dummyNode1)); // should result in getheaders
    }
    {
        LOCK(dummyNode1.cs_vSend);
        BOOST_CHECK(dummyNode1.vSendMsg.size() > 0);
        dummyNode1.vSendMsg.clear();
    }

    int64_t nStartTime = GetTime();
    // Wait 21 minutes
    SetMockTime(nStartTime+21*60);
    {
        LOCK(dummyNode1.cs_sendProcessing);
        BOOST_CHECK(peerLogic->SendMessages(&dummyNode1)); // should result in getheaders
    }
    {
        LOCK(dummyNode1.cs_vSend);
        BOOST_CHECK(dummyNode1.vSendMsg.size() > 0);
    }
    // Wait 3 more minutes
    SetMockTime(nStartTime+24*60);
    {