local items = {'minecraft:gold_ingot', 'minecraft:gold_nugget','minecraft:diamond_axe','minecraft:diamond_sword','minecraft:diamond_boots','minecraft:diamond_shovel','minecraft:diamond_helmet','minecraft:diamond_pickaxe','minecraft:diamond_leggings','minecraft:diamond_chestplate'}

local chest = peripheral.wrap('top')
local chestDown = peripheral.wrap("bottom")

local function contains(table, val)
   for i=1,#table do
      if table[i] == val then
         return true
      end
   end
   return false
end


while true do
    for slot, item in pairs(chest.list()) do

        if contains(items, item.name) == false then
            print(item.name .. ' - NOT VALID')
            chestDown.pullItems(peripheral.getName(chest),slot)
        else
            print(item.name .. ' - VALID')
        end
    end
    sleep(1)

end