new shops move emeralds in inventary to owner bank account

functions.lua

@@ -99,11 +99,29 @@ function emeraldbank.add_emeralds(player, num)
    return false
 end
 
+function emeraldbank.inv_emeralds_to_stonks(pos)
+   local meta = core.get_meta(pos)
+   local inv = meta:get_inventory()
+   local stonks = meta:get_int("stonks")
+   local fancy_inv = inv:get_list("main")
+   if not fancy_inv then return end
+   local has_emerald = inv:contains_item("main", "mcl_core:emerald 1", true)
+   if has_emerald then
+      meta:set_int("stonks", stonks+1)
+      inv:remove_item("main", "mcl_core:emerald 1")
+      emeraldbank.inv_emeralds_to_stonks(pos)
+      return true
+   else
+      return false
+   end
+end
+
 function emeraldbank.get_stonks(pos)
    local meta = core.get_meta(pos)
    local owner = meta:get_string("owner")
    local player = core.get_player_by_name(owner)
    local is_online = core.player_exists(owner)
+   emeraldbank.inv_emeralds_to_stonks(pos)
    local stonks = meta:get_int("stonks")
    if not player or player.is_fake_player then return end
    if is_online and stonks > 0 then