Bitcoin Core  26.99.0
P2P Digital Currency
coincontrol.cpp
Go to the documentation of this file.
1 // Copyright (c) 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 
6 #include <test/fuzz/fuzz.h>
7 #include <test/fuzz/util.h>
9 #include <wallet/coincontrol.h>
10 #include <wallet/test/util.h>
11 
12 namespace wallet {
13 namespace {
14 
15 const TestingSetup* g_setup;
16 
17 void initialize_coincontrol()
18 {
19  static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
20  g_setup = testing_setup.get();
21 }
22 
23 FUZZ_TARGET(coincontrol, .init = initialize_coincontrol)
24 {
25  FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
26  const auto& node = g_setup->m_node;
27  ArgsManager& args = *node.args;
28 
29  // for GetBoolArg to return true sometimes
30  args.ForceSetArg("-avoidpartialspends", fuzzed_data_provider.ConsumeBool()?"1":"0");
31 
32  CCoinControl coin_control;
33  COutPoint out_point;
34 
35  LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000)
36  {
37  CallOneOf(
38  fuzzed_data_provider,
39  [&] {
40  std::optional<COutPoint> optional_out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider);
41  if (!optional_out_point) {
42  return;
43  }
44  out_point = *optional_out_point;
45  },
46  [&] {
47  (void)coin_control.HasSelected();
48  },
49  [&] {
50  (void)coin_control.IsSelected(out_point);
51  },
52  [&] {
53  (void)coin_control.IsExternalSelected(out_point);
54  },
55  [&] {
56  (void)coin_control.GetExternalOutput(out_point);
57  },
58  [&] {
59  (void)coin_control.Select(out_point);
60  },
61  [&] {
62  const CTxOut tx_out{ConsumeMoney(fuzzed_data_provider), ConsumeScript(fuzzed_data_provider)};
63  (void)coin_control.Select(out_point).SetTxOut(tx_out);
64  },
65  [&] {
66  (void)coin_control.UnSelect(out_point);
67  },
68  [&] {
69  (void)coin_control.UnSelectAll();
70  },
71  [&] {
72  (void)coin_control.ListSelected();
73  },
74  [&] {
75  int64_t weight{fuzzed_data_provider.ConsumeIntegral<int64_t>()};
76  (void)coin_control.SetInputWeight(out_point, weight);
77  },
78  [&] {
79  (void)coin_control.GetInputWeight(out_point);
80  });
81  }
82 }
83 } // namespace
84 } // namespace wallet
ArgsManager & args
Definition: bitcoind.cpp:268
void ForceSetArg(const std::string &strArg, const std::string &strValue)
Definition: args.cpp:544
An outpoint - a combination of a transaction hash and an index n into its vout.
Definition: transaction.h:29
An output of a transaction.
Definition: transaction.h:150
#define LIMITED_WHILE(condition, limit)
Can be used to limit a theoretically unbounded loop.
Definition: fuzz.h:23
Definition: init.h:25
FUZZ_TARGET(coin_grinder)
node::NodeContext m_node
Definition: setup_common.h:51
Testing setup that configures a complete environment.
Definition: setup_common.h:78
CScript ConsumeScript(FuzzedDataProvider &fuzzed_data_provider, const bool maybe_p2wsh) noexcept
Definition: util.cpp:93
CAmount ConsumeMoney(FuzzedDataProvider &fuzzed_data_provider, const std::optional< CAmount > &max) noexcept
Definition: util.cpp:29
size_t CallOneOf(FuzzedDataProvider &fuzzed_data_provider, Callables... callables)
Definition: util.h:35