Class HashedSourceWriter

src/hash.h:193–213

/** Writes data to an underlying source stream, while hashing the written data. */
template <typename Source>
class HashedSourceWriter : public CHashWriter
{
private:
    Source& m_source;

public:
    explicit HashedSourceWriter(Source& source LIFETIMEBOUND) : CHashWriter{source.GetType(), source.GetVersion()}, m_source{source} {}

    void write(Span<const std::byte> src)
    {
        m_source.write(src);
        CHashWriter::write(src);
    }

    template <typename T>
    HashedSourceWriter& operator<<(const T& obj)
    {
        ::Serialize(*this, obj);
        return *this;
    }
};

/** Compute the 256-bit hash of an object's serialization, with optional sighash byte. */
template<typename T>