Function IsHex

src/util/strencodings.cpp:40–46

}

bool IsHex(std::string_view str)
{
    for (char c : str) {
        if (HexDigit(c) < 0) return false;
    }
    return (str.size() > 0) && (str.size()%2 == 0);
}

template <typename Byte>
std::optional<std::vector<Byte>> TryParseHex(std::string_view str)