LCOV - code coverage report
Current view: top level - src/test/fuzz - transaction.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 1 65 1.5 %
Date: 2024-01-03 14:57:27 Functions: 1 5 20.0 %
Branches: 1 100 1.0 %

           Branch data     Line data    Source code
       1                 :            : // Copyright (c) 2019-2022 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 <chainparams.h>
       6                 :            : #include <coins.h>
       7                 :            : #include <consensus/tx_check.h>
       8                 :            : #include <consensus/tx_verify.h>
       9                 :            : #include <consensus/validation.h>
      10                 :            : #include <core_io.h>
      11                 :            : #include <core_memusage.h>
      12                 :            : #include <policy/policy.h>
      13                 :            : #include <policy/settings.h>
      14                 :            : #include <primitives/transaction.h>
      15                 :            : #include <streams.h>
      16                 :            : #include <test/fuzz/fuzz.h>
      17                 :            : #include <univalue.h>
      18                 :            : #include <util/chaintype.h>
      19                 :            : #include <util/rbf.h>
      20                 :            : #include <validation.h>
      21                 :            : 
      22                 :            : #include <cassert>
      23                 :            : 
      24                 :          0 : void initialize_transaction()
      25                 :            : {
      26                 :          0 :     SelectParams(ChainType::REGTEST);
      27                 :          0 : }
      28                 :            : 
      29         [ +  - ]:          4 : FUZZ_TARGET(transaction, .init = initialize_transaction)
      30                 :            : {
      31                 :          0 :     DataStream ds{buffer};
      32                 :          0 :     bool valid_tx = true;
      33         [ #  # ]:          0 :     const CTransaction tx = [&] {
      34                 :            :         try {
      35         [ #  # ]:          0 :             return CTransaction(deserialize, TX_WITH_WITNESS, ds);
      36         [ #  # ]:          0 :         } catch (const std::ios_base::failure&) {
      37                 :          0 :             valid_tx = false;
      38 [ #  # ][ #  # ]:          0 :             return CTransaction{CMutableTransaction{}};
      39         [ #  # ]:          0 :         }
      40                 :          0 :     }();
      41                 :          0 :     bool valid_mutable_tx = true;
      42         [ #  # ]:          0 :     DataStream ds_mtx{buffer};
      43         [ #  # ]:          0 :     CMutableTransaction mutable_tx;
      44                 :            :     try {
      45 [ #  # ][ #  # ]:          0 :         ds_mtx >> TX_WITH_WITNESS(mutable_tx);
      46         [ #  # ]:          0 :     } catch (const std::ios_base::failure&) {
      47                 :          0 :         valid_mutable_tx = false;
      48         [ #  # ]:          0 :     }
      49         [ #  # ]:          0 :     assert(valid_tx == valid_mutable_tx);
      50         [ #  # ]:          0 :     if (!valid_tx) {
      51                 :          0 :         return;
      52                 :            :     }
      53                 :            : 
      54                 :            :     {
      55                 :          0 :         TxValidationState state_with_dupe_check;
      56         [ #  # ]:          0 :         const bool res{CheckTransaction(tx, state_with_dupe_check)};
      57 [ #  # ][ #  # ]:          0 :         Assert(res == state_with_dupe_check.IsValid());
      58                 :          0 :     }
      59                 :            : 
      60         [ #  # ]:          0 :     const CFeeRate dust_relay_fee{DUST_RELAY_TX_FEE};
      61                 :          0 :     std::string reason;
      62         [ #  # ]:          0 :     const bool is_standard_with_permit_bare_multisig = IsStandardTx(tx, std::nullopt, /* permit_bare_multisig= */ true, dust_relay_fee, reason);
      63         [ #  # ]:          0 :     const bool is_standard_without_permit_bare_multisig = IsStandardTx(tx, std::nullopt, /* permit_bare_multisig= */ false, dust_relay_fee, reason);
      64         [ #  # ]:          0 :     if (is_standard_without_permit_bare_multisig) {
      65         [ #  # ]:          0 :         assert(is_standard_with_permit_bare_multisig);
      66                 :          0 :     }
      67                 :            : 
      68         [ #  # ]:          0 :     (void)tx.GetHash();
      69         [ #  # ]:          0 :     (void)tx.GetTotalSize();
      70                 :            :     try {
      71         [ #  # ]:          0 :         (void)tx.GetValueOut();
      72         [ #  # ]:          0 :     } catch (const std::runtime_error&) {
      73         [ #  # ]:          0 :     }
      74         [ #  # ]:          0 :     (void)tx.GetWitnessHash();
      75         [ #  # ]:          0 :     (void)tx.HasWitness();
      76         [ #  # ]:          0 :     (void)tx.IsCoinBase();
      77         [ #  # ]:          0 :     (void)tx.IsNull();
      78         [ #  # ]:          0 :     (void)tx.ToString();
      79                 :            : 
      80         [ #  # ]:          0 :     (void)EncodeHexTx(tx);
      81         [ #  # ]:          0 :     (void)GetLegacySigOpCount(tx);
      82         [ #  # ]:          0 :     (void)GetTransactionWeight(tx);
      83         [ #  # ]:          0 :     (void)GetVirtualTransactionSize(tx);
      84         [ #  # ]:          0 :     (void)IsFinalTx(tx, /* nBlockHeight= */ 1024, /* nBlockTime= */ 1024);
      85         [ #  # ]:          0 :     (void)RecursiveDynamicUsage(tx);
      86         [ #  # ]:          0 :     (void)SignalsOptInRBF(tx);
      87                 :            : 
      88                 :          0 :     CCoinsView coins_view;
      89         [ #  # ]:          0 :     const CCoinsViewCache coins_view_cache(&coins_view);
      90         [ #  # ]:          0 :     (void)AreInputsStandard(tx, coins_view_cache);
      91         [ #  # ]:          0 :     (void)IsWitnessStandard(tx, coins_view_cache);
      92                 :            : 
      93 [ #  # ][ #  # ]:          0 :     if (tx.GetTotalSize() < 250'000) { // Avoid high memory usage (with msan) due to json encoding
      94                 :            :         {
      95         [ #  # ]:          0 :             UniValue u{UniValue::VOBJ};
      96         [ #  # ]:          0 :             TxToUniv(tx, /*block_hash=*/uint256::ZERO, /*entry=*/u);
      97                 :          0 :         }
      98                 :            :         {
      99         [ #  # ]:          0 :             UniValue u{UniValue::VOBJ};
     100         [ #  # ]:          0 :             TxToUniv(tx, /*block_hash=*/uint256::ONE, /*entry=*/u);
     101                 :          0 :         }
     102                 :          0 :     }
     103         [ #  # ]:          0 : }

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