diff options
Diffstat (limited to 'src/test/fuzz/util.cpp')
| -rw-r--r-- | src/test/fuzz/util.cpp | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/test/fuzz/util.cpp b/src/test/fuzz/util.cpp index cffe3e1f06..ca2218e94c 100644 --- a/src/test/fuzz/util.cpp +++ b/src/test/fuzz/util.cpp @@ -14,6 +14,19 @@ #include <memory> +std::vector<uint8_t> ConstructPubKeyBytes(FuzzedDataProvider& fuzzed_data_provider, Span<const uint8_t> byte_data, const bool compressed) noexcept +{ + uint8_t pk_type; + if (compressed) { + pk_type = fuzzed_data_provider.PickValueInArray({0x02, 0x03}); + } else { + pk_type = fuzzed_data_provider.PickValueInArray({0x04, 0x06, 0x07}); + } + std::vector<uint8_t> pk_data{byte_data.begin(), byte_data.begin() + (compressed ? CPubKey::COMPRESSED_SIZE : CPubKey::SIZE)}; + pk_data[0] = pk_type; + return pk_data; +} + CAmount ConsumeMoney(FuzzedDataProvider& fuzzed_data_provider, const std::optional<CAmount>& max) noexcept { return fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(0, max.value_or(MAX_MONEY)); @@ -103,16 +116,12 @@ CScript ConsumeScript(FuzzedDataProvider& fuzzed_data_provider, const bool maybe // navigate the highly structured multisig format. r_script << fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 22); int num_data{fuzzed_data_provider.ConsumeIntegralInRange(1, 22)}; - std::vector<uint8_t> pubkey_comp{buffer.begin(), buffer.begin() + CPubKey::COMPRESSED_SIZE}; - pubkey_comp.front() = fuzzed_data_provider.ConsumeIntegralInRange(2, 3); // Set first byte for GetLen() to pass - std::vector<uint8_t> pubkey_uncomp{buffer.begin(), buffer.begin() + CPubKey::SIZE}; - pubkey_uncomp.front() = fuzzed_data_provider.ConsumeIntegralInRange(4, 7); // Set first byte for GetLen() to pass while (num_data--) { - auto& pubkey{fuzzed_data_provider.ConsumeBool() ? pubkey_uncomp : pubkey_comp}; + auto pubkey_bytes{ConstructPubKeyBytes(fuzzed_data_provider, buffer, fuzzed_data_provider.ConsumeBool())}; if (fuzzed_data_provider.ConsumeBool()) { - pubkey.back() = num_data; // Make each pubkey different + pubkey_bytes.back() = num_data; // Make each pubkey different } - r_script << pubkey; + r_script << pubkey_bytes; } r_script << fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 22); }, |