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Previously, the {Basic,}TestingSetup for fuzzers were set up in many ways:
1. Calling InitializeFuzzingContext, which implicitly constructs a static
const BasicTestingSetup
2. Directly constructing a static const BasicTestingSetup in the initialize_*
function
3. Directly constructing a static TestingSetup and reproducing the
initialization arguments (I'm assuming because
InitializeFuzzingContext only initializes a BasicTestingSetup)
The new, relatively-simple MakeFuzzingContext function allows us to
consolidate these methods of initialization by being flexible enough to
be used in all situations. It:
1. Is templated so that we can choose to initialize any of
the *TestingSetup classes
2. Has sane defaults which are often used in fuzzers but are also
easily overridable
3. Returns a unique_ptr, explicitly transferring ownership to the caller
to deal with according to its situation
32 lines
992 B
C++
32 lines
992 B
C++
// Copyright (c) 2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <chainparams.h>
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#include <consensus/validation.h>
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#include <primitives/block.h>
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#include <signet.h>
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#include <streams.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <cstdint>
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#include <optional>
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#include <vector>
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void initialize_signet()
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{
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static const auto testing_setup = MakeFuzzingContext<>(CBaseChainParams::SIGNET);
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}
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FUZZ_TARGET_INIT(signet, initialize_signet)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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const std::optional<CBlock> block = ConsumeDeserializable<CBlock>(fuzzed_data_provider);
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if (!block) {
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return;
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}
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(void)CheckSignetBlockSolution(*block, Params().GetConsensus());
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(void)SignetTxs::Create(*block, ConsumeScript(fuzzed_data_provider));
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}
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