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Add unit test for outbound peer eviction

Github-Pull: #11490
Rebased-From: e065249c01
tags/v0.15.1
Suhas Daftuar 3 years ago
parent
commit
e3272242e2
1 changed files with 55 additions and 0 deletions
  1. 55
    0
      src/test/DoS_tests.cpp

+ 55
- 0
src/test/DoS_tests.cpp View File

@@ -42,6 +42,51 @@ static NodeId id = 0;

BOOST_FIXTURE_TEST_SUITE(DoS_tests, TestingSetup)

// Test eviction of an outbound peer whose chain never advances
// Mock a node connection, and use mocktime to simulate a peer
// which never sends any headers messages. PeerLogic should
// decide to evict that outbound peer, after the appropriate timeouts.
// Note that we protect 4 outbound nodes from being subject to
// this logic; this test takes advantage of that protection only
// being applied to nodes which send headers with sufficient
// work.
BOOST_AUTO_TEST_CASE(outbound_slow_chain_eviction)
{
std::atomic<bool> interruptDummy(false);

// Mock an outbound peer
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(id++, ServiceFlags(NODE_NETWORK|NODE_WITNESS), 0, INVALID_SOCKET, addr1, 0, 0, CAddress(), "", /*fInboundIn=*/ false);
dummyNode1.SetSendVersion(PROTOCOL_VERSION);

peerLogic->InitializeNode(&dummyNode1);
dummyNode1.nVersion = 1;
dummyNode1.fSuccessfullyConnected = true;

// This test requires that we have a chain with non-zero work.
BOOST_CHECK(chainActive.Tip() != nullptr);
BOOST_CHECK(chainActive.Tip()->nChainWork > 0);

// Test starts here
peerLogic->SendMessages(&dummyNode1, interruptDummy); // should result in getheaders
BOOST_CHECK(dummyNode1.vSendMsg.size() > 0);
dummyNode1.vSendMsg.clear();

int64_t nStartTime = GetTime();
// Wait 21 minutes
SetMockTime(nStartTime+21*60);
peerLogic->SendMessages(&dummyNode1, interruptDummy); // should result in getheaders
BOOST_CHECK(dummyNode1.vSendMsg.size() > 0);
// Wait 3 more minutes
SetMockTime(nStartTime+24*60);
peerLogic->SendMessages(&dummyNode1, interruptDummy); // should result in disconnect
BOOST_CHECK(dummyNode1.fDisconnect == true);
SetMockTime(0);

bool dummy;
peerLogic->FinalizeNode(dummyNode1.GetId(), dummy);
}

BOOST_AUTO_TEST_CASE(DoS_banning)
{
std::atomic<bool> interruptDummy(false);
@@ -71,6 +116,10 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
Misbehaving(dummyNode2.GetId(), 50);
peerLogic->SendMessages(&dummyNode2, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr2));

bool dummy;
peerLogic->FinalizeNode(dummyNode1.GetId(), dummy);
peerLogic->FinalizeNode(dummyNode2.GetId(), dummy);
}

BOOST_AUTO_TEST_CASE(DoS_banscore)
@@ -95,6 +144,9 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
peerLogic->SendMessages(&dummyNode1, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr1));
gArgs.ForceSetArg("-banscore", std::to_string(DEFAULT_BANSCORE_THRESHOLD));

bool dummy;
peerLogic->FinalizeNode(dummyNode1.GetId(), dummy);
}

BOOST_AUTO_TEST_CASE(DoS_bantime)
@@ -121,6 +173,9 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)

SetMockTime(nStartTime+60*60*24+1);
BOOST_CHECK(!connman->IsBanned(addr));

bool dummy;
peerLogic->FinalizeNode(dummyNode.GetId(), dummy);
}

CTransactionRef RandomOrphan()

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