diff --git a/README.md b/README.md
index 7f46b50..da5806f 100644
--- a/README.md
+++ b/README.md
@@ -154,8 +154,8 @@ function M.init(self, template_name, node_table)
 	-- If component was cloned with gui.clone_tree, pass his nodes
 	self:set_nodes(node_table)
 
-	-- helper can get node from gui/template/table
-	local root = helper.node(self, SCHEME.ROOT)
+	-- Component can get node from gui/template/table
+	local root = self:get_node(self, SCHEME.ROOT)
 
 	-- This component can spawn another druid components:
 	local druid = self:get_druid(self)
diff --git a/druid/base/blocker.lua b/druid/base/blocker.lua
index dcd00bd..5c48263 100644
--- a/druid/base/blocker.lua
+++ b/druid/base/blocker.lua
@@ -9,7 +9,7 @@ local M = component.create("blocker", { const.ON_SWIPE })
 
 
 function M.init(self, node)
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 	self.event = const.ACTION_TOUCH
 end
 
diff --git a/druid/base/button.lua b/druid/base/button.lua
index 549c330..5367a57 100644
--- a/druid/base/button.lua
+++ b/druid/base/button.lua
@@ -25,11 +25,11 @@ function M.init(self, node, callback, params, anim_node, event)
 	assert(callback, "Button should have callback. To block input on zone use blocker component")
 
 	self.style = self:get_style()
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 
 	-- TODO: match event inside on_input?
 	self.event = const.ACTION_TOUCH
-	self.anim_node = anim_node and helper.get_node(anim_node) or self.node
+	self.anim_node = anim_node and helper:get_node(anim_node) or self.node
 	-- TODO: rename to start_scale
 	self.scale_from = gui.get_scale(self.anim_node)
 	self.pos = gui.get_position(self.anim_node)
@@ -144,7 +144,7 @@ end
 -- @tparam table self Component instance
 -- @tparam node zone Gui node
 function M.set_click_zone(self, zone)
-	self.click_zone = helper.get_node(zone)
+	self.click_zone = self:get_node(zone)
 end
 
 
diff --git a/druid/base/checkbox.lua b/druid/base/checkbox.lua
index 3c9c148..707e6ea 100644
--- a/druid/base/checkbox.lua
+++ b/druid/base/checkbox.lua
@@ -1,7 +1,6 @@
 --- Druid checkbox component
 -- @module druid.checkbox
 
-local helper = require("druid.helper")
 local component = require("druid.component")
 
 local M = component.create("checkbox")
@@ -36,8 +35,8 @@ end
 function M.init(self, node, callback, click_node)
 	self.style = self:get_style()
 	self.druid = self:get_druid()
-	self.node = helper.get_node(node)
-	self.click_node = helper.get_node(click_node)
+	self.node = self:get_node(node)
+	self.click_node = self:get_node(click_node)
 	self.callback = callback
 
 	self.button = self.druid:new_button(self.click_node or self.node, on_click)
diff --git a/druid/base/grid.lua b/druid/base/grid.lua
index 1878fa3..6ba4e7e 100644
--- a/druid/base/grid.lua
+++ b/druid/base/grid.lua
@@ -2,20 +2,19 @@
 -- Grid can anchor your elements, get content size and other
 -- @module druid.grid
 
-local helper = require("druid.helper")
 local component = require("druid.component")
 
 local M = component.create("grid")
 
 
 function M.init(self, parent, element, in_row)
-	self.parent = helper.get_node(parent)
+	self.parent = self:get_node(parent)
 	self.nodes = {}
 
 	self.offset = vmath.vector3(0)
 	self.anchor = vmath.vector3(0.5, 0, 0)
 	self.in_row = in_row or 1
-	self.node_size = gui.get_size(helper.get_node(element))
+	self.node_size = gui.get_size(self:get_node(element))
 	self.border = vmath.vector4(0)
 	self.border_offset = vmath.vector3(0)
 end
diff --git a/druid/base/progress.lua b/druid/base/progress.lua
index cdf5776..251c38f 100644
--- a/druid/base/progress.lua
+++ b/druid/base/progress.lua
@@ -21,7 +21,7 @@ function M.init(self, node, key, init_value)
 	self.key = key
 
 	self.style = self:get_style()
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 	self.scale = gui.get_scale(self.node)
 	self.size = gui.get_size(self.node)
 	self.max_size = self.size[self.key]
diff --git a/druid/base/scroll.lua b/druid/base/scroll.lua
index fb32d9d..a00459a 100644
--- a/druid/base/scroll.lua
+++ b/druid/base/scroll.lua
@@ -15,8 +15,8 @@ M.current_scroll = nil
 
 function M.init(self, scroll_parent, input_zone, border)
 	self.style = self:get_style()
-	self.node = helper.get_node(scroll_parent)
-	self.input_zone = helper.get_node(input_zone)
+	self.node = self:get_node(scroll_parent)
+	self.input_zone = self:get_node(input_zone)
 
 	self.zone_size = gui.get_size(self.input_zone)
 	self.soft_size = self.style.SOFT_ZONE_SIZE
diff --git a/druid/base/slider.lua b/druid/base/slider.lua
index 2c2a3ed..5b8d691 100644
--- a/druid/base/slider.lua
+++ b/druid/base/slider.lua
@@ -16,7 +16,7 @@ end
 
 
 function M.init(self, node, end_pos, callback)
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 
 	self.start_pos = gui.get_position(self.node)
 	self.pos = gui.get_position(self.node)
diff --git a/druid/base/text.lua b/druid/base/text.lua
index bc44c7c..72307d8 100644
--- a/druid/base/text.lua
+++ b/druid/base/text.lua
@@ -3,14 +3,13 @@
 -- @module druid.text
 
 local const = require("druid.const")
-local helper = require("druid.helper")
 local component = require("druid.component")
 
 local M = component.create("text")
 
 
 function M.init(self, node, value, no_adjust)
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 	self.start_pivot = gui.get_pivot(self.node)
 
 	self.start_pos = gui.get_position(self.node)
diff --git a/druid/base/timer.lua b/druid/base/timer.lua
index b7f1adc..efd8fc9 100644
--- a/druid/base/timer.lua
+++ b/druid/base/timer.lua
@@ -10,7 +10,7 @@ local M = component.create("timer", { const.ON_UPDATE })
 
 
 function M.init(self, node, seconds_from, seconds_to, callback)
-	self.node = helper.get_node(node)
+	self.node = self:get_node(node)
 	seconds_from = math.max(seconds_from, 0)
 	seconds_to = math.max(seconds_to or 0, 0)
 	callback = callback or const.EMPTY_FUNCTION
diff --git a/druid/component.lua b/druid/component.lua
index 2013cda..8b9caf5 100644
--- a/druid/component.lua
+++ b/druid/component.lua
@@ -114,6 +114,7 @@ function Component.get_node(self, node_or_name)
 	local nodes = self:get_nodes()
 
 	if nodes then
+		assert(type(node_or_name) == "strings", "You should pass node name instead of node")
 		return nodes[template_name .. node_or_name]
 	else
 		if type(node_or_name) == const.STRING then
diff --git a/druid/helper.lua b/druid/helper.lua
index d842bd2..ccd08a4 100644
--- a/druid/helper.lua
+++ b/druid/helper.lua
@@ -82,31 +82,6 @@ function M.centrate_icon_with_text(icon_node, text_node, margin)
 end
 
 
-function M.get_node(node_or_name)
-	if type(node_or_name) == const.STRING then
-		return gui.get_node(node_or_name)
-	end
-
-	return node_or_name
-end
-
-
--- TODO: Определиться с get_node и node
--- get_node - берет ноду по ноде или строке
--- node - может брать ноду у компонента по схеме (если есть
--- template или таблица нод после gui.clone_tree)
-function M.node(component, name)
-	local template_name = component._meta.template or const.EMPTY_STRING
-	local nodes = component._meta.nodes
-
-	if nodes then
-		return nodes[template_name .. name]
-	else
-		return gui.get_node(template_name .. name)
-	end
-end
-
-
 function M.step(current, target, step)
 	if current < target then
 		return math.min(current + step, target)
@@ -151,6 +126,11 @@ function M.round(num, numDecimalPlaces)
 end
 
 
+--- Check if node is enabled in gui hierarchy.
+-- Return false, if node or any his parent is disabled
+-- @function helper.is_enabled
+-- @tparam node node Gui node
+-- @treturn bool Is enabled in hierarchy
 function M.is_enabled(node)
 	local is_enabled = gui.is_enabled(node)
 	local parent = gui.get_parent(node)
@@ -163,6 +143,10 @@ function M.is_enabled(node)
 end
 
 
+--- Get node offset for given gui pivot
+-- @function helper.get_pivot_offset
+-- @tparam gui.pivot pivot The node pivot
+-- @treturn vector3 Vector offset with [-1..1] values
 function M.get_pivot_offset(pivot)
 	return const.PIVOTS[pivot]
 end