diff --git a/compacting-storage.lua b/compacting-storage.lua
index d138d12..07d31da 100644
--- a/compacting-storage.lua
+++ b/compacting-storage.lua
@@ -10,6 +10,8 @@ local MAIN_TICKER = ""
 local REQUEST_TICKER = ""
 local STORAGE_ADDRESS = ""
 local CRAFTING_REQUESTER = ""
+local COMPACTING_ADDR = ""
+local UNPACKING_ADDR = ""
 local SLEEP_TIME = 30
 local NUGGET_RATIO = 63 -- amount of nuggets per craft
 local BLOCK_RATIO = 7 -- amount of blocks per craft
@@ -30,21 +32,33 @@ local MIN_NUM = (4 * STACKS * NUGGETS) + (4 * STACKS * INGOTS)
 local MAX_NUM = (8 * STACKS * NUGGETS) + (8 * STACKS * INGOTS)
 
 -- basic actions
-function craft (item_type, conversion_type)
-    -- TODO rework
+function craft (requester, item_type, conversion_type)
+    -- conversion_type key: 1, nuggets to ingots; 2, ingots to blocks;
+    -- 3, blocks to ingots; 4, ingots to nuggets
+    -- TODO find name
+    local compacting = conversion_type <= 2
+    local count, address
+    if compacting then
+        count = NUGGET_RATIO
+        address = COMPACTING_ADDR
+    else
+        count = BLOCK_RATIO end
+        address = UNPACKING_ADDR
+    end
+    requester.setRequest({ name, count })
 end
 
-function craft_multiple (item_type, conversion_type, count)
+function craft_multiple (requester, item_type, conversion_type, count)
     if count < 1 then
         return
     else
-        craft(item_type, conversion_type)
+        craft(requester, item_type, conversion_type)
         os.sleep(1)
-        return craft_multiple(item_type, conversion_type, count - 1)
+        return craft_multiple(requester, item_type, conversion_type, count - 1)
     end
 end
 
-function execute_crafts (item_type, crafts)
+function execute_crafts (requester, item_type, crafts)
     local num_crafts = crafts.nuggets
     if num_crafts > 0 then
         print(("Crafting %s nuggets"):format(item_type))
@@ -56,7 +70,7 @@ function execute_crafts (item_type, crafts)
     num_crafts = crafts.blocks
     if num_crafts > 0 then
         print(("Crafting %s blocks"):format(item_type))
-        craft_multiple(item_type, 2, num_crafts)
+        craft_multiple(requester, item_type, 2, num_crafts)
     elseif num_crafts < 0 then
         print(("Crafting %s ingots"):format(item_type))
         craft_multiple(item_type, 3, -num_crafts)
@@ -178,7 +192,7 @@ while true do
             local diff = get_diff(desired_dist, current_dist)
             diff = filter_clamp(diff, current_dist)
             local crafts = diff_to_crafts(diff)
-            execute_crafts(item_type, crafts)
+            execute_crafts(craft_requester, item_type, crafts)
         elseif num > MAX_NUM then
             -- keep requesting until above MAX_NUM
             requesting[item_type] = nil