The state does hereby pledge to and agree with the holders of the bonds, notes, and other evidences of indebtedness of the commission that the state and the city will not limit or alter rights hereby vested in the commission, which affect the capacity or ability of the commission to meet its obligations regarding bonds, notes or other forms of indebtedness, until the bonds, notes, or other evidences of indebtedness, together with interest thereon, with interest on any unpaid installment of interest and all costs and expenses in connection with any actions or proceedings by or on behalf of the bondholders and noteholders, are fully met and discharged.