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Merge #21606: fuzz: Extend psbt fuzz target a bit

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faaf3954e2 fuzz: Extend psbt fuzz target a bit (MarcoFalke)

Pull request description:

  Previously it only merged the psbt with itself, now it tries to merge another.

ACKs for top commit:
  practicalswift:
    Tested ACK faaf3954e2

Tree-SHA512: e1b1d31a47d35e1767285bc2fda176c79cb0550d6d383fe467104272e61e1c83f6cbc0c7d6bbc0c3027729eec13ae1f289f8950117ee91e0fb3703e66d5e6918
This commit is contained in:
MarcoFalke 2021-04-09 18:54:10 +02:00
commit f0fa32450e
No known key found for this signature in database
GPG Key ID: CE2B75697E69A548
1 changed files with 20 additions and 3 deletions
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25
src/test/fuzz/psbt.cpp
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@ -2,6 +2,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <node/psbt.h>
@ -9,6 +10,7 @@
#include <pubkey.h>
#include <script/script.h>
#include <streams.h>
#include <util/check.h>
#include <version.h>
#include <cstdint>
@ -23,10 +25,10 @@ void initialize_psbt()
FUZZ_TARGET_INIT(psbt, initialize_psbt)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
PartiallySignedTransaction psbt_mut;
const std::string raw_psbt{buffer.begin(), buffer.end()};
std::string error;
if (!DecodeRawPSBT(psbt_mut, raw_psbt, error)) {
if (!DecodeRawPSBT(psbt_mut, fuzzed_data_provider.ConsumeRandomLengthString(), error)) {
return;
}
const PartiallySignedTransaction psbt = psbt_mut;
@ -49,6 +51,7 @@ FUZZ_TARGET_INIT(psbt, initialize_psbt)
(void)PSBTInputSigned(input);
(void)input.IsNull();
}
(void)CountPSBTUnsignedInputs(psbt);
for (const PSBTOutput& output : psbt.outputs) {
(void)output.IsNull();
@ -71,6 +74,20 @@ FUZZ_TARGET_INIT(psbt, initialize_psbt)
const PartiallySignedTransaction psbt_from_tx{result};
}
psbt_mut = psbt;
(void)psbt_mut.Merge(psbt);
PartiallySignedTransaction psbt_merge;
if (!DecodeRawPSBT(psbt_merge, fuzzed_data_provider.ConsumeRandomLengthString(), error)) {
psbt_merge = psbt;
}
psbt_mut = psbt;
(void)psbt_mut.Merge(psbt_merge);
psbt_mut = psbt;
(void)CombinePSBTs(psbt_mut, {psbt_mut, psbt_merge});
psbt_mut = psbt;
for (unsigned int i = 0; i < psbt_merge.tx->vin.size(); ++i) {
(void)psbt_mut.AddInput(psbt_merge.tx->vin[i], psbt_merge.inputs[i]);
}
for (unsigned int i = 0; i < psbt_merge.tx->vout.size(); ++i) {
Assert(psbt_mut.AddOutput(psbt_merge.tx->vout[i], psbt_merge.outputs[i]));
}
psbt_mut.unknown.insert(psbt_merge.unknown.begin(), psbt_merge.unknown.end());
}