[fuzz] GetCandidatePeers

Author: glozow

src/test/fuzz/txrequest.cpp

@@ -295,6 +295,19 @@ class Tester
                 tracked += m_announcements[txhash][peer].m_state != State::NOTHING;
                 inflight += m_announcements[txhash][peer].m_state == State::REQUESTED;
                 candidates += m_announcements[txhash][peer].m_state == State::CANDIDATE;
+
+                std::bitset<MAX_PEERS> expected_announcers;
+                for (int peer = 0; peer < MAX_PEERS; ++peer) {
+                    if (m_announcements[txhash][peer].m_state == State::CANDIDATE || m_announcements[txhash][peer].m_state == State::REQUESTED) {
+                        expected_announcers[peer] = true;
+                    }
+                }
+                std::vector<NodeId> candidate_peers;
+                m_tracker.GetCandidatePeers(TXHASHES[txhash], candidate_peers);
+                assert(expected_announcers.count() == candidate_peers.size());
+                for (const auto& peer : candidate_peers) {
+                    assert(expected_announcers[peer]);
+                }
             }
             assert(m_tracker.Count(peer) == tracked);
             assert(m_tracker.CountInFlight(peer) == inflight);