git / moonbite-core / src/test/fuzz/bech32.cpp · raw

// 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 <bech32.h>#include <test/fuzz/fuzz.h>#include <test/util/str.h>#include <util/strencodings.h>#include <cassert>#include <cstdint>#include <string>#include <utility>#include <vector>void test_one_input(const std::vector<uint8_t>& buffer){    const std::string random_string(buffer.begin(), buffer.end());    const auto r1 = bech32::Decode(random_string);    if (r1.hrp.empty()) {        assert(r1.encoding == bech32::Encoding::INVALID);        assert(r1.data.empty());    } else {        assert(r1.encoding != bech32::Encoding::INVALID);        const std::string reencoded = bech32::Encode(r1.encoding, r1.hrp, r1.data);        assert(CaseInsensitiveEqual(random_string, reencoded));    }    std::vector<unsigned char> input;    ConvertBits<8, 5, true>([&](unsigned char c) { input.push_back(c); }, buffer.begin(), buffer.end());    if (input.size() + 3 + 6 <= 90) {        // If it's possible to encode input in Bech32(m) without exceeding the 90-character limit:        for (auto encoding : {bech32::Encoding::BECH32, bech32::Encoding::BECH32M}) {            const std::string encoded = bech32::Encode(encoding, "bc", input);            assert(!encoded.empty());            const auto r2 = bech32::Decode(encoded);            assert(r2.encoding == encoding);            assert(r2.hrp == "bc");            assert(r2.data == input);        }    }}