/root/bitcoin/src/test/fuzz/node_eviction.cpp
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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 <net.h> |
6 | | #include <protocol.h> |
7 | | #include <test/fuzz/FuzzedDataProvider.h> |
8 | | #include <test/fuzz/fuzz.h> |
9 | | #include <test/fuzz/util.h> |
10 | | #include <test/fuzz/util/net.h> |
11 | | |
12 | | #include <algorithm> |
13 | | #include <cassert> |
14 | | #include <cstdint> |
15 | | #include <optional> |
16 | | #include <vector> |
17 | | |
18 | | FUZZ_TARGET(node_eviction) |
19 | 856 | { |
20 | 856 | FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()}; |
21 | 856 | std::vector<NodeEvictionCandidate> eviction_candidates; |
22 | 488k | LIMITED_WHILE (fuzzed_data_provider.ConsumeBool(), 10000) { |
23 | 488k | eviction_candidates.push_back({ |
24 | 488k | /*id=*/fuzzed_data_provider.ConsumeIntegral<NodeId>(), |
25 | 488k | /*m_connected=*/ConsumeTime(fuzzed_data_provider), |
26 | 488k | /*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()), |
27 | 488k | /*m_last_block_time=*/ConsumeTime(fuzzed_data_provider).time_since_epoch(), |
28 | 488k | /*m_last_tx_time=*/ConsumeTime(fuzzed_data_provider).time_since_epoch(), |
29 | 488k | /*fRelevantServices=*/fuzzed_data_provider.ConsumeBool(), |
30 | 488k | /*m_relay_txs=*/fuzzed_data_provider.ConsumeBool(), |
31 | 488k | /*fBloomFilter=*/fuzzed_data_provider.ConsumeBool(), |
32 | 488k | /*nKeyedNetGroup=*/fuzzed_data_provider.ConsumeIntegral<uint64_t>(), |
33 | 488k | /*prefer_evict=*/fuzzed_data_provider.ConsumeBool(), |
34 | 488k | /*m_is_local=*/fuzzed_data_provider.ConsumeBool(), |
35 | 488k | /*m_network=*/fuzzed_data_provider.PickValueInArray(ALL_NETWORKS), |
36 | 488k | /*m_noban=*/fuzzed_data_provider.ConsumeBool(), |
37 | 488k | /*m_conn_type=*/fuzzed_data_provider.PickValueInArray(ALL_CONNECTION_TYPES), |
38 | 488k | }); |
39 | 488k | } |
40 | | // Make a copy since eviction_candidates may be in some valid but otherwise |
41 | | // indeterminate state after the SelectNodeToEvict(&&) call. |
42 | 856 | const std::vector<NodeEvictionCandidate> eviction_candidates_copy = eviction_candidates; |
43 | 856 | const std::optional<NodeId> node_to_evict = SelectNodeToEvict(std::move(eviction_candidates)); |
44 | 856 | if (node_to_evict) { Branch (44:9): [True: 552, False: 304]
|
45 | | 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; })); Branch (45:9): [True: 552, False: 0]
|
46 | 552 | } |
47 | 856 | } |