Method trim

src/chain.h:232–244

Irrevocably remove blocksigning and dynafed-related stuff from this in-memory copy of the block header.

    // Irrevocably remove blocksigning and dynafed-related stuff from this
    // in-memory copy of the block header.
    bool trim() {
        assert_untrimmed();
        if (!m_stored_lvl) {
            // We can't trim in-memory data if it's not on disk yet, but we can if it's already been recovered once
            return false;
        }
        m_trimmed = true;
        m_trimmed_dynafed_block = !m_dynafed_params.value().IsNull();
        proof = std::nullopt;
        m_dynafed_params = std::nullopt;
        m_signblock_witness = std::nullopt;
        return true;
    }

    void untrim();
    const CBlockIndex * untrim_to(CBlockIndex *pindexNew) const;