diff --git a/config/routes.rb b/config/routes.rb
index f931ac19b..f31a4bdd0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,27 +1,4 @@
-class EppConstraint
-  OBJECT_TYPES = {
-    domain: { domain: 'urn:ietf:params:xml:ns:domain-1.0' },
-    contact: { contact: 'urn:ietf:params:xml:ns:contact-1.0' }
-  }
-
-  def initialize(type)
-    @type = type
-  end
-
-  # creates parsed_frame, detects epp request object
-  def matches?(request)
-    parsed_frame = Nokogiri::XML(request.params[:raw_frame])
-
-    unless [:keyrelay, :poll].include?(@type)
-      element = "//#{@type}:#{request.params[:action]}"
-      return false if parsed_frame.xpath("#{element}", OBJECT_TYPES[@type]).none?
-    end
-
-    request.params[:parsed_frame] = parsed_frame.remove_namespaces!
-    request.params[:epp_object_type] = @type
-    true
-  end
-end
+require 'epp_constraint'
 
 Rails.application.routes.draw do
   namespace(:epp, defaults: { format: :xml }) do
diff --git a/lib/epp_constraint.rb b/lib/epp_constraint.rb
new file mode 100644
index 000000000..de9dce6e5
--- /dev/null
+++ b/lib/epp_constraint.rb
@@ -0,0 +1,24 @@
+class EppConstraint
+  OBJECT_TYPES = {
+    domain: { domain: 'urn:ietf:params:xml:ns:domain-1.0' },
+    contact: { contact: 'urn:ietf:params:xml:ns:contact-1.0' }
+  }
+
+  def initialize(type)
+    @type = type
+  end
+
+  # creates parsed_frame, detects epp request object
+  def matches?(request)
+    parsed_frame = Nokogiri::XML(request.params[:raw_frame])
+
+    unless [:keyrelay, :poll].include?(@type)
+      element = "//#{@type}:#{request.params[:action]}"
+      return false if parsed_frame.xpath("#{element}", OBJECT_TYPES[@type]).none?
+    end
+
+    request.params[:parsed_frame] = parsed_frame.remove_namespaces!
+    request.params[:epp_object_type] = @type
+    true
+  end
+end