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-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: * 2020:fa0074e2d8* 2019:aaaaad6ac9
42 lines
1.9 KiB
C++
42 lines
1.9 KiB
C++
// Copyright (c) 2020-2021 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 <pubkey.h>
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#include <script/descriptor.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 <string>
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#include <vector>
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FUZZ_TARGET(script_descriptor_cache)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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DescriptorCache descriptor_cache;
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LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
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const std::vector<uint8_t> code = fuzzed_data_provider.ConsumeBytes<uint8_t>(BIP32_EXTKEY_SIZE);
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if (code.size() == BIP32_EXTKEY_SIZE) {
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CExtPubKey xpub;
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xpub.Decode(code.data());
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const uint32_t key_exp_pos = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
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CExtPubKey xpub_fetched;
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if (fuzzed_data_provider.ConsumeBool()) {
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(void)descriptor_cache.GetCachedParentExtPubKey(key_exp_pos, xpub_fetched);
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descriptor_cache.CacheParentExtPubKey(key_exp_pos, xpub);
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assert(descriptor_cache.GetCachedParentExtPubKey(key_exp_pos, xpub_fetched));
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} else {
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const uint32_t der_index = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
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(void)descriptor_cache.GetCachedDerivedExtPubKey(key_exp_pos, der_index, xpub_fetched);
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descriptor_cache.CacheDerivedExtPubKey(key_exp_pos, der_index, xpub);
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assert(descriptor_cache.GetCachedDerivedExtPubKey(key_exp_pos, der_index, xpub_fetched));
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}
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assert(xpub == xpub_fetched);
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}
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(void)descriptor_cache.GetCachedParentExtPubKeys();
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(void)descriptor_cache.GetCachedDerivedExtPubKeys();
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}
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}
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