diff --git a/classes/deck/deck.gd b/classes/deck/deck.gd
index 5a51433..07bf520 100644
--- a/classes/deck/deck.gd
+++ b/classes/deck/deck.gd
@@ -198,7 +198,7 @@ func get_group(uuid: String) -> Deck:
 	return groups.get(uuid)
 
 
-func copy_nodes_json(nodes_to_copy: Array[String]) -> String:
+func copy_nodes(nodes_to_copy: Array[String]) -> Dictionary:
 	var d := {"nodes": {}}
 
 	for node_id: String in nodes_to_copy:
@@ -226,7 +226,11 @@ func copy_nodes_json(nodes_to_copy: Array[String]) -> String:
 	d.nodes.values()[0].position.x = 0
 	d.nodes.values()[0].position.y = 0
 
-	return JSON.stringify(d)
+	return d
+
+
+func copy_nodes_json(nodes_to_copy: Array[String]) -> String:
+	return JSON.stringify(copy_nodes(nodes_to_copy))
 
 
 func allocate_ids(count: int) -> Array[String]:
@@ -236,48 +240,47 @@ func allocate_ids(count: int) -> Array[String]:
 	return res
 
 
-func paste_nodes_from_json(json: String, position: Vector2 = Vector2()) -> void:
-	var d: Dictionary = JSON.parse_string(json) as Dictionary
-	if !d.get("nodes"):
+func paste_nodes_from_dict(nodes: Dictionary, position: Vector2 = Vector2()) -> void:
+	if !nodes.get("nodes"):
 		return
 
-	var new_ids := allocate_ids(d.nodes.size())
+	var new_ids := allocate_ids(nodes.nodes.size())
 	var ids_map := {}
-	for i: int in d.nodes.keys().size():
-		var node_id: String = d.nodes.keys()[i]
+	for i: int in nodes.nodes.keys().size():
+		var node_id: String = nodes.nodes.keys()[i]
 		ids_map[node_id] = new_ids[i]
 
-	var new_json := json
-	for old_id: String in ids_map:
-		new_json = new_json.replace(old_id, ids_map[old_id])
+	for node_id: String in nodes.nodes:
+		nodes.nodes[node_id]._id = ids_map[node_id]
 
-	for node_id: String in d.nodes:
-		d.nodes[node_id]._id = ids_map[node_id]
+		nodes.nodes[node_id].position.x += position.x
+		nodes.nodes[node_id].position.y += position.y
 
-		d.nodes[node_id].position.x += position.x
-		d.nodes[node_id].position.y += position.y
-
-		var outgoing_connections: Dictionary = d.nodes[node_id].outgoing_connections as Dictionary
+		var outgoing_connections: Dictionary = nodes.nodes[node_id].outgoing_connections as Dictionary
 		var outgoing_connections_res := {}
 		for from_port: String in outgoing_connections:
 			outgoing_connections_res[from_port] = {}
 			for to_node_id: String in outgoing_connections[from_port]:
 				outgoing_connections_res[from_port][ids_map[to_node_id]] = outgoing_connections[from_port][to_node_id]
 
-		var incoming_connections: Dictionary = d.nodes[node_id].incoming_connections as Dictionary
+		var incoming_connections: Dictionary = nodes.nodes[node_id].incoming_connections as Dictionary
 		var incoming_connections_res := {}
 		for to_port: String in incoming_connections:
 			incoming_connections_res[to_port] = {}
 			for from_node_id: String in incoming_connections[to_port]:
 				incoming_connections_res[to_port][ids_map[from_node_id]] = incoming_connections[to_port][from_node_id]
 
-		d.nodes[node_id].outgoing_connections = outgoing_connections_res
-		d.nodes[node_id].incoming_connections = incoming_connections_res
+		nodes.nodes[node_id].outgoing_connections = outgoing_connections_res
+		nodes.nodes[node_id].incoming_connections = incoming_connections_res
 
-		var node := DeckNode.from_dict(d.nodes[node_id])
+		var node := DeckNode.from_dict(nodes.nodes[node_id])
 		add_node_inst(node, ids_map[node_id])
 
 
+func paste_nodes_from_json(json: String, position: Vector2 = Vector2()) -> void:
+	paste_nodes_from_dict(JSON.parse_string(json), position)
+
+
 ## Returns a [Dictionary] representation of this deck.
 func to_dict(with_meta: bool = true) -> Dictionary:
 	var inner := {