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fuzz: Skip adding descriptor to wallet if it cannot be expanded

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This commit is contained in:
Ava Chow
2024-04-03 18:38:51 -04:00
parent 8be5ee554b
commit 6538f69135
1 changed files with 7 additions and 0 deletions
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7
src/wallet/test/fuzz/scriptpubkeyman.cpp
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@@ -70,6 +70,13 @@ static std::optional<std::pair<WalletDescriptor, FlatSigningProvider>> CreateWal
std::vector<std::unique_ptr<Descriptor>> parsed_descs = Parse(desc_str.value(), keys, error, false);
if (parsed_descs.empty()) return std::nullopt;
// Verify expand succeeds before making WalletDescriptor
// Expansion results are not needed
FlatSigningProvider out_keys;
std::vector<CScript> scripts_temp;
DescriptorCache temp_cache;
if (!parsed_descs.at(0)->Expand(0, keys, scripts_temp, out_keys, &temp_cache)) return std::nullopt;
WalletDescriptor w_desc{std::move(parsed_descs.at(0)), /*creation_time=*/0, /*range_start=*/0, /*range_end=*/1, /*next_index=*/1};
return std::make_pair(w_desc, keys);
}