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// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chainparams.h>
#include <compressor.h>
#include <core_io.h>
#include <core_memusage.h>
#include <policy/policy.h>
#include <pubkey.h>
#include <script/descriptor.h>
#include <script/script.h>
#include <script/sign.h>
#include <script/signingprovider.h>
#include <script/standard.h>
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <univalue.h>
#include <util/memory.h>
void initialize()
{
// Fuzzers using pubkey must hold an ECCVerifyHandle.
static const auto verify_handle = MakeUnique<ECCVerifyHandle>();
SelectParams(CBaseChainParams::REGTEST);
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
const CScript script(buffer.begin(), buffer.end());
std::vector<unsigned char> compressed;
if (CompressScript(script, compressed)) {
const unsigned int size = compressed[0];
compressed.erase(compressed.begin());
assert(size >= 0 && size <= 5);
CScript decompressed_script;
const bool ok = DecompressScript(decompressed_script, size, compressed);
assert(ok);
assert(script == decompressed_script);
}
CTxDestination address;
(void)ExtractDestination(script, address);
txnouttype type_ret;
std::vector<CTxDestination> addresses;
int required_ret;
(void)ExtractDestinations(script, type_ret, addresses, required_ret);
(void)GetScriptForWitness(script);
const FlatSigningProvider signing_provider;
(void)InferDescriptor(script, signing_provider);
(void)IsSegWitOutput(signing_provider, script);
(void)IsSolvable(signing_provider, script);
txnouttype which_type;
(void)IsStandard(script, which_type);
(void)RecursiveDynamicUsage(script);
std::vector<std::vector<unsigned char>> solutions;
(void)Solver(script, solutions);
(void)script.HasValidOps();
(void)script.IsPayToScriptHash();
(void)script.IsPayToWitnessScriptHash();
(void)script.IsPushOnly();
(void)script.IsUnspendable();
(void)script.GetSigOpCount(/* fAccurate= */ false);
(void)FormatScript(script);
(void)ScriptToAsmStr(script, false);
(void)ScriptToAsmStr(script, true);
UniValue o1(UniValue::VOBJ);
ScriptPubKeyToUniv(script, o1, true);
UniValue o2(UniValue::VOBJ);
ScriptPubKeyToUniv(script, o2, false);
UniValue o3(UniValue::VOBJ);
ScriptToUniv(script, o3, true);
UniValue o4(UniValue::VOBJ);
ScriptToUniv(script, o4, false);
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const std::vector<uint8_t> bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider);
// DecompressScript(..., ..., bytes) is not guaranteed to be defined if bytes.size() <= 23.
if (bytes.size() >= 24) {
CScript decompressed_script;
DecompressScript(decompressed_script, fuzzed_data_provider.ConsumeIntegral<unsigned int>(), bytes);
}
}
}
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