diff options
Diffstat (limited to 'src/test/fuzz/package_eval.cpp')
| -rw-r--r-- | src/test/fuzz/package_eval.cpp | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/test/fuzz/package_eval.cpp b/src/test/fuzz/package_eval.cpp index 8d316134cc..8658c0b45a 100644 --- a/src/test/fuzz/package_eval.cpp +++ b/src/test/fuzz/package_eval.cpp @@ -40,7 +40,7 @@ void initialize_tx_pool() g_setup = testing_setup.get(); for (int i = 0; i < 2 * COINBASE_MATURITY; ++i) { - COutPoint prevout{MineBlock(g_setup->m_node, P2WSH_OP_TRUE)}; + COutPoint prevout{MineBlock(g_setup->m_node, P2WSH_EMPTY)}; if (i < COINBASE_MATURITY) { // Remember the txids to avoid expensive disk access later on g_outpoints_coinbase_init_mature.push_back(prevout); @@ -195,7 +195,8 @@ FUZZ_TARGET(tx_package_eval, .init = initialize_tx_pool) // Create input const auto sequence = ConsumeSequence(fuzzed_data_provider); const auto script_sig = CScript{}; - const auto script_wit_stack = std::vector<std::vector<uint8_t>>{WITNESS_STACK_ELEM_OP_TRUE}; + const auto script_wit_stack = fuzzed_data_provider.ConsumeBool() ? P2WSH_EMPTY_TRUE_STACK : P2WSH_EMPTY_TWO_STACK; + CTxIn in; in.prevout = outpoint; in.nSequence = sequence; @@ -204,17 +205,30 @@ FUZZ_TARGET(tx_package_eval, .init = initialize_tx_pool) tx_mut.vin.push_back(in); } + + // Duplicate an input + bool dup_input = fuzzed_data_provider.ConsumeBool(); + if (dup_input) { + tx_mut.vin.push_back(tx_mut.vin.back()); + } + + // Refer to a non-existant input + if (fuzzed_data_provider.ConsumeBool()) { + tx_mut.vin.emplace_back(); + } + const auto amount_fee = fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(0, amount_in); const auto amount_out = (amount_in - amount_fee) / num_out; for (int i = 0; i < num_out; ++i) { - tx_mut.vout.emplace_back(amount_out, P2WSH_OP_TRUE); + tx_mut.vout.emplace_back(amount_out, P2WSH_EMPTY); } // TODO vary transaction sizes to catch size-related issues auto tx = MakeTransactionRef(tx_mut); // Restore previously removed outpoints, except in-package outpoints if (!last_tx) { for (const auto& in : tx->vin) { - Assert(outpoints.insert(in.prevout).second); + // It's a fake input, or a new input, or a duplicate + Assert(in == CTxIn() || outpoints.insert(in.prevout).second || dup_input); } // Cache the in-package outpoints being made for (size_t i = 0; i < tx->vout.size(); ++i) { |