1 // Copyright (c) 2020 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 <primitives/transaction.h>
6 #include <test/fuzz/FuzzedDataProvider.h>
7 #include <test/fuzz/fuzz.h>
8 #include <test/fuzz/util.h>
9 
10 #include <cstdint>
11 #include <optional>
12 #include <string>
13 #include <vector>
14 
test_one_input(const std::vector<uint8_t> & buffer)15 void test_one_input(const std::vector<uint8_t>& buffer)
16 {
17     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
18     const CScript script = ConsumeScript(fuzzed_data_provider);
19     const std::optional<COutPoint> out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider);
20     if (out_point) {
21         const CTxIn tx_in{*out_point, script, fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
22         (void)tx_in;
23     }
24     const CTxOut tx_out_1{ConsumeMoney(fuzzed_data_provider), script};
25     const CTxOut tx_out_2{ConsumeMoney(fuzzed_data_provider), ConsumeScript(fuzzed_data_provider)};
26     assert((tx_out_1 == tx_out_2) != (tx_out_1 != tx_out_2));
27     const std::optional<CMutableTransaction> mutable_tx_1 = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
28     const std::optional<CMutableTransaction> mutable_tx_2 = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
29     if (mutable_tx_1 && mutable_tx_2) {
30         const CTransaction tx_1{*mutable_tx_1};
31         const CTransaction tx_2{*mutable_tx_2};
32         assert((tx_1 == tx_2) != (tx_1 != tx_2));
33     }
34 }
35