LCOV - code coverage report
Current view: top level - src/test/fuzz - policy_estimator.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 3 56 5.4 %
Date: 2023-11-12 01:39:15 Functions: 1 10 10.0 %
Branches: 3 105 2.9 %

           Branch data     Line data    Source code
       1                 :            : // Copyright (c) 2020-2022 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 <kernel/mempool_entry.h>
       6                 :            : #include <policy/fees.h>
       7                 :            : #include <policy/fees_args.h>
       8                 :            : #include <primitives/transaction.h>
       9                 :            : #include <test/fuzz/FuzzedDataProvider.h>
      10                 :            : #include <test/fuzz/fuzz.h>
      11                 :            : #include <test/fuzz/util.h>
      12                 :            : #include <test/fuzz/util/mempool.h>
      13                 :            : #include <test/util/setup_common.h>
      14                 :            : #include <txmempool.h>
      15                 :            : 
      16                 :            : #include <cstdint>
      17         [ +  - ]:          2 : #include <optional>
      18         [ +  - ]:          2 : #include <string>
      19                 :            : #include <vector>
      20                 :            : 
      21                 :            : namespace {
      22                 :            : const BasicTestingSetup* g_setup;
      23                 :            : } // namespace
      24                 :            : 
      25                 :          0 : void initialize_policy_estimator()
      26                 :            : {
      27 [ #  # ][ #  # ]:          0 :     static const auto testing_setup = MakeNoLogFileContext<>();
                 [ #  # ]
      28                 :          0 :     g_setup = testing_setup.get();
      29                 :          0 : }
      30                 :            : 
      31         [ +  - ]:          4 : FUZZ_TARGET(policy_estimator, .init = initialize_policy_estimator)
      32                 :            : {
      33                 :          0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      34         [ #  # ]:          0 :     CBlockPolicyEstimator block_policy_estimator{FeeestPath(*g_setup->m_node.args), DEFAULT_ACCEPT_STALE_FEE_ESTIMATES};
      35 [ #  # ][ #  # ]:          0 :     LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
                 [ #  # ]
      36         [ #  # ]:          0 :         CallOneOf(
      37                 :            :             fuzzed_data_provider,
      38                 :          0 :             [&] {
      39                 :          0 :                 const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
      40         [ #  # ]:          0 :                 if (!mtx) {
      41                 :          0 :                     return;
      42                 :            :                 }
      43         [ #  # ]:          0 :                 const CTransaction tx{*mtx};
      44 [ #  # ][ #  # ]:          0 :                 block_policy_estimator.processTransaction(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx), fuzzed_data_provider.ConsumeBool());
      45 [ #  # ][ #  # ]:          0 :                 if (fuzzed_data_provider.ConsumeBool()) {
      46 [ #  # ][ #  # ]:          0 :                     (void)block_policy_estimator.removeTx(tx.GetHash(), /*inBlock=*/fuzzed_data_provider.ConsumeBool());
         [ #  # ][ #  # ]
      47                 :          0 :                 }
      48         [ #  # ]:          0 :             },
      49                 :          0 :             [&] {
      50                 :          0 :                 std::vector<CTxMemPoolEntry> mempool_entries;
      51 [ #  # ][ #  # ]:          0 :                 LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
                 [ #  # ]
      52                 :          0 :                     const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
      53         [ #  # ]:          0 :                     if (!mtx) {
      54                 :          0 :                         break;
      55                 :            :                     }
      56         [ #  # ]:          0 :                     const CTransaction tx{*mtx};
      57         [ #  # ]:          0 :                     mempool_entries.push_back(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx));
      58      [ #  #  # ]:          0 :                 }
      59                 :          0 :                 std::vector<const CTxMemPoolEntry*> ptrs;
      60         [ #  # ]:          0 :                 ptrs.reserve(mempool_entries.size());
      61         [ #  # ]:          0 :                 for (const CTxMemPoolEntry& mempool_entry : mempool_entries) {
      62         [ #  # ]:          0 :                     ptrs.push_back(&mempool_entry);
      63                 :            :                 }
      64 [ #  # ][ #  # ]:          0 :                 block_policy_estimator.processBlock(fuzzed_data_provider.ConsumeIntegral<unsigned int>(), ptrs);
      65                 :          0 :             },
      66                 :          0 :             [&] {
      67                 :          0 :                 (void)block_policy_estimator.removeTx(ConsumeUInt256(fuzzed_data_provider), /*inBlock=*/fuzzed_data_provider.ConsumeBool());
      68                 :          0 :             },
      69                 :          0 :             [&] {
      70                 :          0 :                 block_policy_estimator.FlushUnconfirmed();
      71                 :          0 :             });
      72 [ #  # ][ #  # ]:          0 :         (void)block_policy_estimator.estimateFee(fuzzed_data_provider.ConsumeIntegral<int>());
      73                 :          0 :         EstimationResult result;
      74 [ #  # ][ #  # ]:          0 :         (void)block_policy_estimator.estimateRawFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeFloatingPoint<double>(), fuzzed_data_provider.PickValueInArray(ALL_FEE_ESTIMATE_HORIZONS), fuzzed_data_provider.ConsumeBool() ? &result : nullptr);
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
      75                 :          0 :         FeeCalculation fee_calculation;
      76 [ #  # ][ #  # ]:          0 :         (void)block_policy_estimator.estimateSmartFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeBool() ? &fee_calculation : nullptr, fuzzed_data_provider.ConsumeBool());
         [ #  # ][ #  # ]
                 [ #  # ]
      77 [ #  # ][ #  # ]:          0 :         (void)block_policy_estimator.HighestTargetTracked(fuzzed_data_provider.PickValueInArray(ALL_FEE_ESTIMATE_HORIZONS));
      78                 :          0 :     }
      79                 :            :     {
      80                 :          0 :         FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
      81         [ #  # ]:          0 :         AutoFile fuzzed_auto_file{fuzzed_auto_file_provider.open()};
      82         [ #  # ]:          0 :         block_policy_estimator.Write(fuzzed_auto_file);
      83         [ #  # ]:          0 :         block_policy_estimator.Read(fuzzed_auto_file);
      84                 :          0 :     }
      85                 :          0 : }

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