local function create_demstone(level, name, mana, with_gems)
        local demgem = DemonGemStone.new()
        demgem:set_id(current_user:get_new_gem_id())
        demgem:set_type(level)
        if (name) then
            local demon = Demon.new()
            demon:set_id(current_user:get_new_demon_id())
            demon:set_name(name)
            demon:set_mana(mana)
            local lvl = mana >= 466560 and 7 or (mana >= 77760 and 6 or (mana >= 12960 and 5 or (mana >= 2160 and 4 or (mana >= 360 and 3 or (mana >= 60 and 2 or 1)))))
            demon:set_level(lvl)
            demgem:set_demon(demon)
    		if (with_gems) then
    			local demgems = demon:get_gemstones()
    			demgems:add(create_gemstone(0, 1, math.random(0, 30000), 0))
    			demgems:add(create_gemstone(1, 1, math.random(0, 30000), 0))
    			demgems:add(create_gemstone(2, 1, math.random(0, 30000), 0))
    			demgems:add(create_gemstone(3, 1, math.random(0, 30000), 0))
    		end
        end
        return demgem
    end
    dem_stones:add(create_demstone(1))
    dem_stones:add(create_demstone(2, "Pafnutiy", 20))
    local dem_gemstone3 = create_demstone(3, "Borstch", 100, true)
    dem_stones:add(dem_gemstone3)


===============================


         <demon_gemstones>                                                                               +
                 <gemstone id="12" type="1">                                                             +
                         <demon id="198695" name="" level="3112" mana="189012314686">                    +
                                 <gemstones />                                                           +
                         </demon>                                                                        +
                 </gemstone>                                                                             +
                 <gemstone id="13" type="2">                                                             +
                         <demon id="0" name="Pafnutiy" level="1" mana="20">                              +
                                 <gemstones />                                                           +
                         </demon>                                                                        +
                 </gemstone>                                                                             +
                 <gemstone id="14" type="3">                                                             +
                         <demon id="1" name="Borstch" level="2" mana="100">                              +
                                 <gemstones />                                                           +
                         </demon>                                                                        +
                 </gemstone>                                                                             +
         </demon_gemstones>