Branch data Line data Source code
1 : : // Copyright (c) 2019-2022 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 : :
5 : : #include <test/fuzz/FuzzedDataProvider.h>
6 : : #include <test/fuzz/fuzz.h>
7 : :
8 : : #include <node/psbt.h>
9 : : #include <psbt.h>
10 : : #include <pubkey.h>
11 : : #include <script/script.h>
12 : : #include <streams.h>
13 : : #include <util/check.h>
14 : :
15 : : #include <cstdint>
16 : : #include <optional>
17 : : #include <string>
18 : : #include <vector>
19 : :
20 : : using node::AnalyzePSBT;
21 : : using node::PSBTAnalysis;
22 : : using node::PSBTInputAnalysis;
23 : :
24 [ # # ]: 0 : FUZZ_TARGET(psbt)
25 : : {
26 : 0 : FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
27 : 0 : PartiallySignedTransaction psbt_mut;
28 [ # # ]: 0 : std::string error;
29 [ # # ]: 0 : auto str = fuzzed_data_provider.ConsumeRandomLengthString();
30 [ # # # # ]: 0 : if (!DecodeRawPSBT(psbt_mut, MakeByteSpan(str), error)) {
31 : 0 : return;
32 : : }
33 [ # # ]: 0 : const PartiallySignedTransaction psbt = psbt_mut;
34 : :
35 [ # # # # ]: 0 : const PSBTAnalysis analysis = AnalyzePSBT(psbt);
36 [ # # ]: 0 : (void)PSBTRoleName(analysis.next);
37 [ # # ]: 0 : for (const PSBTInputAnalysis& input_analysis : analysis.inputs) {
38 [ # # ]: 0 : (void)PSBTRoleName(input_analysis.next);
39 : : }
40 : :
41 [ # # ]: 0 : (void)psbt.IsNull();
42 : :
43 [ # # ]: 0 : std::optional<CMutableTransaction> tx = psbt.tx;
44 [ # # ]: 0 : if (tx) {
45 [ # # ]: 0 : const CMutableTransaction& mtx = *tx;
46 [ # # ]: 0 : const PartiallySignedTransaction psbt_from_tx{mtx};
47 : 0 : }
48 : :
49 [ # # ]: 0 : for (const PSBTInput& input : psbt.inputs) {
50 [ # # ]: 0 : (void)PSBTInputSigned(input);
51 [ # # ]: 0 : (void)input.IsNull();
52 : : }
53 [ # # ]: 0 : (void)CountPSBTUnsignedInputs(psbt);
54 : :
55 [ # # ]: 0 : for (const PSBTOutput& output : psbt.outputs) {
56 [ # # ]: 0 : (void)output.IsNull();
57 : : }
58 : :
59 [ # # ]: 0 : for (size_t i = 0; i < psbt.tx->vin.size(); ++i) {
60 : 0 : CTxOut tx_out;
61 [ # # # # ]: 0 : if (psbt.GetInputUTXO(tx_out, i)) {
62 : 0 : (void)tx_out.IsNull();
63 [ # # ]: 0 : (void)tx_out.ToString();
64 : : }
65 : 0 : }
66 : :
67 [ # # ]: 0 : psbt_mut = psbt;
68 [ # # ]: 0 : (void)FinalizePSBT(psbt_mut);
69 : :
70 [ # # ]: 0 : psbt_mut = psbt;
71 [ # # ]: 0 : CMutableTransaction result;
72 [ # # # # ]: 0 : if (FinalizeAndExtractPSBT(psbt_mut, result)) {
73 [ # # ]: 0 : const PartiallySignedTransaction psbt_from_tx{result};
74 : 0 : }
75 : :
76 : 0 : PartiallySignedTransaction psbt_merge;
77 [ # # ]: 0 : str = fuzzed_data_provider.ConsumeRandomLengthString();
78 [ # # # # ]: 0 : if (!DecodeRawPSBT(psbt_merge, MakeByteSpan(str), error)) {
79 [ # # ]: 0 : psbt_merge = psbt;
80 : : }
81 [ # # ]: 0 : psbt_mut = psbt;
82 [ # # ]: 0 : (void)psbt_mut.Merge(psbt_merge);
83 [ # # ]: 0 : psbt_mut = psbt;
84 [ # # # # : 0 : (void)CombinePSBTs(psbt_mut, {psbt_mut, psbt_merge});
# # # # ]
85 [ # # ]: 0 : psbt_mut = psbt;
86 [ # # ]: 0 : for (unsigned int i = 0; i < psbt_merge.tx->vin.size(); ++i) {
87 [ # # ]: 0 : (void)psbt_mut.AddInput(psbt_merge.tx->vin[i], psbt_merge.inputs[i]);
88 : : }
89 [ # # ]: 0 : for (unsigned int i = 0; i < psbt_merge.tx->vout.size(); ++i) {
90 [ # # # # ]: 0 : Assert(psbt_mut.AddOutput(psbt_merge.tx->vout[i], psbt_merge.outputs[i]));
91 : : }
92 [ # # ]: 0 : psbt_mut.unknown.insert(psbt_merge.unknown.begin(), psbt_merge.unknown.end());
93 [ # # # # : 0 : }
# # # # ]
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