parse_hd_keypath.cpp

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// Copyright (c) 2009-present 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 <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/bip32.h>
 
#include <cassert>
#include <cstdint>
#include <vector>
 
FUZZ_TARGET(parse_hd_keypath)
{
    const std::string keypath_str(buffer.begin(), buffer.end());
    std::vector<uint32_t> keypath;
    (void)ParseHDKeypath(keypath_str, keypath);
 
    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
    const std::vector<uint32_t> random_keypath = ConsumeRandomLengthIntegralVector<uint32_t>(fuzzed_data_provider);
 
    // Roundtrip WriteHDKeypath() and ParseHDKeypath()
    for (const bool apostrophe : {false, true}) {
        std::vector<uint32_t> roundtrip;
        const std::string written{WriteHDKeypath(random_keypath, apostrophe)};
        assert(ParseHDKeypath(written, roundtrip));
        assert(roundtrip == random_keypath);
    }
}