diff options
Diffstat (limited to 'src/test/fuzz/script.cpp')
-rw-r--r-- | src/test/fuzz/script.cpp | 65 |
1 files changed, 48 insertions, 17 deletions
diff --git a/src/test/fuzz/script.cpp b/src/test/fuzz/script.cpp index 7fadf36f98..b87bcf2ef5 100644 --- a/src/test/fuzz/script.cpp +++ b/src/test/fuzz/script.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2019-2020 The Bitcoin Core developers +// Copyright (c) 2019-2021 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -20,7 +20,6 @@ #include <test/fuzz/fuzz.h> #include <test/fuzz/util.h> #include <univalue.h> -#include <util/memory.h> #include <algorithm> #include <cassert> @@ -44,7 +43,7 @@ FUZZ_TARGET_INIT(script, initialize_script) if (!script_opt) return; const CScript script{*script_opt}; - std::vector<unsigned char> compressed; + CompressedScript compressed; if (CompressScript(script, compressed)) { const unsigned int size = compressed[0]; compressed.erase(compressed.begin()); @@ -56,22 +55,45 @@ FUZZ_TARGET_INIT(script, initialize_script) } CTxDestination address; - (void)ExtractDestination(script, address); - TxoutType type_ret; std::vector<CTxDestination> addresses; int required_ret; - (void)ExtractDestinations(script, type_ret, addresses, required_ret); - - const FlatSigningProvider signing_provider; - (void)InferDescriptor(script, signing_provider); - - (void)IsSegWitOutput(signing_provider, script); - - (void)IsSolvable(signing_provider, script); + bool extract_destinations_ret = ExtractDestinations(script, type_ret, addresses, required_ret); + bool extract_destination_ret = ExtractDestination(script, address); + if (!extract_destinations_ret) { + assert(!extract_destination_ret); + if (type_ret == TxoutType::MULTISIG) { + assert(addresses.empty() && required_ret == 0); + } else { + assert(type_ret == TxoutType::PUBKEY || + type_ret == TxoutType::NONSTANDARD || + type_ret == TxoutType::NULL_DATA); + } + } else { + assert(required_ret >= 1 && required_ret <= 16); + assert((unsigned long)required_ret == addresses.size()); + assert(type_ret == TxoutType::MULTISIG || required_ret == 1); + } + if (type_ret == TxoutType::NONSTANDARD || type_ret == TxoutType::NULL_DATA) { + assert(!extract_destinations_ret); + } + if (!extract_destination_ret) { + assert(type_ret == TxoutType::PUBKEY || + type_ret == TxoutType::NONSTANDARD || + type_ret == TxoutType::NULL_DATA || + type_ret == TxoutType::MULTISIG); + } else { + assert(address == addresses[0]); + } + if (type_ret == TxoutType::NONSTANDARD || + type_ret == TxoutType::NULL_DATA || + type_ret == TxoutType::MULTISIG) { + assert(!extract_destination_ret); + } TxoutType which_type; bool is_standard_ret = IsStandard(script, which_type); + assert(type_ret == which_type); if (!is_standard_ret) { assert(which_type == TxoutType::NONSTANDARD || which_type == TxoutType::NULL_DATA || @@ -88,6 +110,11 @@ FUZZ_TARGET_INIT(script, initialize_script) which_type == TxoutType::NONSTANDARD); } + const FlatSigningProvider signing_provider; + (void)InferDescriptor(script, signing_provider); + (void)IsSegWitOutput(signing_provider, script); + (void)IsSolvable(signing_provider, script); + (void)RecursiveDynamicUsage(script); std::vector<std::vector<unsigned char>> solutions; @@ -104,9 +131,11 @@ FUZZ_TARGET_INIT(script, initialize_script) (void)ScriptToAsmStr(script, true); UniValue o1(UniValue::VOBJ); - ScriptPubKeyToUniv(script, o1, true); + ScriptPubKeyToUniv(script, o1, true, true); + ScriptPubKeyToUniv(script, o1, true, false); UniValue o2(UniValue::VOBJ); - ScriptPubKeyToUniv(script, o2, false); + ScriptPubKeyToUniv(script, o2, false, true); + ScriptPubKeyToUniv(script, o2, false, false); UniValue o3(UniValue::VOBJ); ScriptToUniv(script, o3, true); UniValue o4(UniValue::VOBJ); @@ -114,10 +143,12 @@ FUZZ_TARGET_INIT(script, initialize_script) { const std::vector<uint8_t> bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider); + CompressedScript compressed_script; + compressed_script.assign(bytes.begin(), bytes.end()); // DecompressScript(..., ..., bytes) is not guaranteed to be defined if the bytes vector is too short - if (bytes.size() >= 32) { + if (compressed_script.size() >= 32) { CScript decompressed_script; - DecompressScript(decompressed_script, fuzzed_data_provider.ConsumeIntegral<unsigned int>(), bytes); + DecompressScript(decompressed_script, fuzzed_data_provider.ConsumeIntegral<unsigned int>(), compressed_script); } } |