Method SatHash

src/test/miniscript_tests.cpp:235–246

Helper function for the various hash based satisfactions.

    //! Helper function for the various hash based satisfactions.
    miniscript::Availability SatHash(const std::vector<unsigned char>& hash, std::vector<unsigned char>& preimage, ChallengeType chtype) const {
        if (!supported.contains(Challenge(chtype, ChallengeNumber(hash)))) return miniscript::Availability::NO;
        const auto& m =
            chtype == ChallengeType::SHA256 ? g_testdata->sha256_preimages :
            chtype == ChallengeType::HASH256 ? g_testdata->hash256_preimages :
            chtype == ChallengeType::RIPEMD160 ? g_testdata->ripemd160_preimages :
            g_testdata->hash160_preimages;
        auto it = m.find(hash);
        if (it == m.end()) return miniscript::Availability::NO;
        preimage = it->second;
        return miniscript::Availability::YES;
    }

    // Functions that produce the preimage for hashes of various types.
    miniscript::Availability SatSHA256(const std::vector<unsigned char>& hash, std::vector<unsigned char>& preimage) const { return SatHash(hash, preimage, ChallengeType::SHA256); }