spend.cpp raw

   1  // Copyright (c) 2024-present The Limenka 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 <test/fuzz/FuzzedDataProvider.h>
   6  #include <test/fuzz/fuzz.h>
   7  #include <test/fuzz/util.h>
   8  #include <test/fuzz/util/wallet.h>
   9  #include <test/util/random.h>
  10  #include <test/util/setup_common.h>
  11  #include <util/time.h>
  12  #include <wallet/coincontrol.h>
  13  #include <wallet/context.h>
  14  #include <wallet/spend.h>
  15  #include <wallet/test/util.h>
  16  #include <wallet/wallet.h>
  17  #include <validation.h>
  18  #include <addresstype.h>
  19  
  20  using util::ToString;
  21  
  22  namespace wallet {
  23  namespace {
  24  const TestingSetup* g_setup;
  25  
  26  void initialize_setup()
  27  {
  28      static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
  29      g_setup = testing_setup.get();
  30  }
  31  
  32  FUZZ_TARGET(wallet_create_transaction, .init = initialize_setup)
  33  {
  34      SeedRandomStateForTest(SeedRand::ZEROS);
  35      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
  36      SetMockTime(ConsumeTime(fuzzed_data_provider));
  37      const auto& node = g_setup->m_node;
  38      Chainstate& chainstate{node.chainman->ActiveChainstate()};
  39      ArgsManager& args = *node.args;
  40      args.ForceSetArg("-dustrelayfee", ToString(fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(0, MAX_MONEY)));
  41      FuzzedWallet fuzzed_wallet{
  42          *g_setup->m_node.chain,
  43          "fuzzed_wallet_a",
  44          "tprv8ZgxMBicQKsPd1QwsGgzfu2pcPYbBosZhJknqreRHgsWx32nNEhMjGQX2cgFL8n6wz9xdDYwLcs78N4nsCo32cxEX8RBtwGsEGgybLiQJfk",
  45      };
  46  
  47      CCoinControl coin_control;
  48      if (fuzzed_data_provider.ConsumeBool()) coin_control.m_version = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
  49      coin_control.m_avoid_partial_spends = fuzzed_data_provider.ConsumeBool();
  50      coin_control.m_include_unsafe_inputs = fuzzed_data_provider.ConsumeBool();
  51      if (fuzzed_data_provider.ConsumeBool()) coin_control.m_confirm_target = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 999'000);
  52      coin_control.destChange = fuzzed_data_provider.ConsumeBool() ? fuzzed_wallet.GetDestination(fuzzed_data_provider) : ConsumeTxDestination(fuzzed_data_provider);
  53      if (fuzzed_data_provider.ConsumeBool()) coin_control.m_change_type = fuzzed_data_provider.PickValueInArray(OUTPUT_TYPES);
  54      if (fuzzed_data_provider.ConsumeBool()) coin_control.m_feerate = CFeeRate(ConsumeMoney(fuzzed_data_provider, /*max=*/COIN));
  55      coin_control.m_allow_other_inputs = fuzzed_data_provider.ConsumeBool();
  56      coin_control.m_locktime = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
  57      coin_control.fOverrideFeeRate = fuzzed_data_provider.ConsumeBool();
  58  
  59      int next_locktime{0};
  60      CAmount all_values{0};
  61      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000)
  62      {
  63          CMutableTransaction tx;
  64          tx.nLockTime = next_locktime++;
  65          tx.vout.resize(1);
  66          CAmount n_value{ConsumeMoney(fuzzed_data_provider)};
  67          all_values += n_value;
  68          if (all_values > MAX_MONEY) return;
  69          tx.vout[0].nValue = n_value;
  70          tx.vout[0].scriptPubKey = GetScriptForDestination(fuzzed_wallet.GetDestination(fuzzed_data_provider));
  71          LOCK(fuzzed_wallet.wallet->cs_wallet);
  72          auto txid{tx.GetHash()};
  73          auto ret{fuzzed_wallet.wallet->mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(txid), std::forward_as_tuple(MakeTransactionRef(std::move(tx)), TxStateConfirmed{chainstate.m_chain.Tip()->GetBlockHash(), chainstate.m_chain.Height(), /*index=*/0}))};
  74          assert(ret.second);
  75      }
  76  
  77      std::vector<CRecipient> recipients;
  78      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 100) {
  79          CTxDestination destination;
  80          CallOneOf(
  81              fuzzed_data_provider,
  82              [&] {
  83                  destination = fuzzed_wallet.GetDestination(fuzzed_data_provider);
  84              },
  85              [&] {
  86                  CScript script;
  87                  script << OP_RETURN;
  88                  destination = CNoDestination{script};
  89              },
  90              [&] {
  91                  destination = ConsumeTxDestination(fuzzed_data_provider);
  92              }
  93          );
  94          recipients.push_back({destination,
  95                                /*nAmount=*/ConsumeMoney(fuzzed_data_provider),
  96                                /*fSubtractFeeFromAmount=*/fuzzed_data_provider.ConsumeBool()});
  97      }
  98  
  99      std::optional<unsigned int> change_pos;
 100      if (fuzzed_data_provider.ConsumeBool()) change_pos = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
 101      (void)CreateTransaction(*fuzzed_wallet.wallet, recipients, change_pos, coin_control);
 102  }
 103  } // namespace
 104  } // namespace wallet
 105