Function FUZZ_TARGET

src/test/fuzz/node_eviction.cpp:18–48

#include <vector>

FUZZ_TARGET(node_eviction)
{
    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
    std::vector<NodeEvictionCandidate> eviction_candidates;
    LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000)
    {
        eviction_candidates.push_back({
            /*id=*/fuzzed_data_provider.ConsumeIntegral<NodeId>(),
            /*m_connected=*/ConsumeTime(fuzzed_data_provider),
            /*m_min_ping_time=*/ConsumeDuration<decltype(NodeEvictionCandidate::m_min_ping_time)>(fuzzed_data_provider, /*min=*/std::chrono::years{-1}, /*max=*/decltype(CNode::m_min_ping_time.load())::max()),
            /*m_last_block_time=*/ConsumeTime(fuzzed_data_provider).time_since_epoch(),
            /*m_last_tx_time=*/ConsumeTime(fuzzed_data_provider).time_since_epoch(),
            /*fRelevantServices=*/fuzzed_data_provider.ConsumeBool(),
            /*m_relay_txs=*/fuzzed_data_provider.ConsumeBool(),
            /*fBloomFilter=*/fuzzed_data_provider.ConsumeBool(),
            /*nKeyedNetGroup=*/fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
            /*prefer_evict=*/fuzzed_data_provider.ConsumeBool(),
            /*m_is_local=*/fuzzed_data_provider.ConsumeBool(),
            /*m_network=*/fuzzed_data_provider.PickValueInArray(ALL_NETWORKS),
            /*m_noban=*/fuzzed_data_provider.ConsumeBool(),
            /*m_conn_type=*/fuzzed_data_provider.PickValueInArray(ALL_CONNECTION_TYPES),
        });
    }
    // Make a copy since eviction_candidates may be in some valid but otherwise
    // indeterminate state after the SelectNodeToEvict(&&) call.
    const std::vector<NodeEvictionCandidate> eviction_candidates_copy = eviction_candidates;
    const std::optional<NodeId> node_to_evict = SelectNodeToEvict(std::move(eviction_candidates));
    if (node_to_evict) {
        assert(std::any_of(eviction_candidates_copy.begin(), eviction_candidates_copy.end(), [&node_to_evict](const NodeEvictionCandidate& eviction_candidate) { return *node_to_evict == eviction_candidate.id; }));
    }
}