def get_reserves(db_session):
    result = db_session.execute(
        "SELECT * FROM reserves"
    )
    return result

def set_reserves(db_session, values):
    db_session.execute(
        """
        INSERT INTO reserves
        (pool_address, token0, token1)
        VALUES
        (:pool_address, :token0, :token1)
        """,
        params = values,
    )
    db_session.commit()