1 // Copyright (c) 2019-2020 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 <test/fuzz/fuzz.h>
6 
7 #include <node/psbt.h>
8 #include <optional.h>
9 #include <psbt.h>
10 #include <pubkey.h>
11 #include <script/script.h>
12 #include <streams.h>
13 #include <util/memory.h>
14 #include <version.h>
15 
16 #include <cstdint>
17 #include <string>
18 #include <vector>
19 
initialize()20 void initialize()
21 {
22     static const ECCVerifyHandle verify_handle;
23 }
24 
test_one_input(const std::vector<uint8_t> & buffer)25 void test_one_input(const std::vector<uint8_t>& buffer)
26 {
27     PartiallySignedTransaction psbt_mut;
28     const std::string raw_psbt{buffer.begin(), buffer.end()};
29     std::string error;
30     if (!DecodeRawPSBT(psbt_mut, raw_psbt, error)) {
31         return;
32     }
33     const PartiallySignedTransaction psbt = psbt_mut;
34 
35     const PSBTAnalysis analysis = AnalyzePSBT(psbt);
36     (void)PSBTRoleName(analysis.next);
37     for (const PSBTInputAnalysis& input_analysis : analysis.inputs) {
38         (void)PSBTRoleName(input_analysis.next);
39     }
40 
41     (void)psbt.IsNull();
42 
43     Optional<CMutableTransaction> tx = psbt.tx;
44     if (tx) {
45         const CMutableTransaction& mtx = *tx;
46         const PartiallySignedTransaction psbt_from_tx{mtx};
47     }
48 
49     for (const PSBTInput& input : psbt.inputs) {
50         (void)PSBTInputSigned(input);
51         (void)input.IsNull();
52     }
53 
54     for (const PSBTOutput& output : psbt.outputs) {
55         (void)output.IsNull();
56     }
57 
58     for (size_t i = 0; i < psbt.tx->vin.size(); ++i) {
59         CTxOut tx_out;
60         if (psbt.GetInputUTXO(tx_out, i)) {
61             (void)tx_out.IsNull();
62             (void)tx_out.ToString();
63         }
64     }
65 
66     psbt_mut = psbt;
67     (void)FinalizePSBT(psbt_mut);
68 
69     psbt_mut = psbt;
70     CMutableTransaction result;
71     if (FinalizeAndExtractPSBT(psbt_mut, result)) {
72         const PartiallySignedTransaction psbt_from_tx{result};
73     }
74 
75     psbt_mut = psbt;
76     (void)psbt_mut.Merge(psbt);
77 }
78