diff --git a/Gemfile b/Gemfile
index 109a4a2d9..414b0138d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "unicorn-worker-killer", "0.4.4"
 
 # Federation
 
-gem "diaspora_federation-rails", "0.1.9"
+gem "diaspora_federation-rails", "0.2.0"
 
 # API and JSON
 
@@ -293,7 +293,7 @@ group :test do
   gem "webmock",            "2.3.2", require: false
   gem "shoulda-matchers",   "3.1.1"
 
-  gem "diaspora_federation-test", "0.1.9"
+  gem "diaspora_federation-test", "0.2.0"
 
   # Coverage
   gem 'coveralls', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 25d6cf885..84f8172e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,18 +163,18 @@ GEM
       devise
       rails (>= 3.0.4)
     diaspora-prosody-config (0.0.7)
-    diaspora_federation (0.1.9)
-      faraday (>= 0.9.0, < 0.12.0)
+    diaspora_federation (0.2.0)
+      faraday (>= 0.9.0, < 0.13.0)
       faraday_middleware (>= 0.10.0, < 0.12.0)
       nokogiri (~> 1.6, >= 1.6.8)
       typhoeus (~> 1.0)
       valid (~> 1.0)
-    diaspora_federation-rails (0.1.9)
-      diaspora_federation (= 0.1.9)
-      rails (>= 4.2, < 6)
-    diaspora_federation-test (0.1.9)
-      diaspora_federation (= 0.1.9)
-      factory_girl (~> 4.7)
+    diaspora_federation-rails (0.2.0)
+      actionpack (>= 4.2, < 6)
+      diaspora_federation (= 0.2.0)
+    diaspora_federation-test (0.2.0)
+      diaspora_federation (= 0.2.0)
+      fabrication (~> 2.16.0)
       uuid (~> 2.3.8)
     diff-lcs (1.3)
     docile (1.1.5)
@@ -198,6 +198,7 @@ GEM
       sigar (~> 0.7.3)
       state_machines
       thor
+    fabrication (2.16.1)
     factory_girl (4.8.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.8.0)
@@ -777,8 +778,8 @@ DEPENDENCIES
   devise (= 4.2.0)
   devise_lastseenable (= 0.0.6)
   diaspora-prosody-config (= 0.0.7)
-  diaspora_federation-rails (= 0.1.9)
-  diaspora_federation-test (= 0.1.9)
+  diaspora_federation-rails (= 0.2.0)
+  diaspora_federation-test (= 0.2.0)
   entypo-rails (= 3.0.0)
   eye (= 0.9.1)
   factory_girl_rails (= 4.8.0)
diff --git a/app/controllers/api/openid_connect/discovery_controller.rb b/app/controllers/api/openid_connect/discovery_controller.rb
index 19c9001b4..f648e3566 100644
--- a/app/controllers/api/openid_connect/discovery_controller.rb
+++ b/app/controllers/api/openid_connect/discovery_controller.rb
@@ -24,17 +24,6 @@
 module Api
   module OpenidConnect
     class DiscoveryController < ApplicationController
-      def webfinger
-        jrd = {
-          links: [{
-            rel:  OpenIDConnect::Discovery::Provider::Issuer::REL_VALUE,
-            href: root_url
-          }]
-        }
-        jrd[:subject] = params[:resource] if params[:resource].present?
-        render json: jrd, content_type: "application/jrd+json"
-      end
-
       def configuration
         render json: OpenIDConnect::Discovery::Provider::Config::Response.new(
           issuer:                                      root_url,
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index c5387799b..a217aab87 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -18,14 +18,6 @@ class MessagesController < ApplicationController
       logger.info "event=create type=message user=#{current_user.diaspora_handle} status=success " \
                   "message=#{message.id} chars=#{params[:message][:text].length}"
       Diaspora::Federation::Dispatcher.defer_dispatch(current_user, message)
-
-      # TODO: can be removed when messages are not relayed anymore
-      conversation_owner = conversation.author.owner
-      if conversation_owner && conversation_owner != current_user
-        remote_subs = conversation.participants.remote.ids
-        opts = {subscriber_ids: remote_subs}
-        Diaspora::Federation::Dispatcher.defer_dispatch(conversation_owner, message, opts) unless remote_subs.empty?
-      end
     else
       flash[:error] = I18n.t('conversations.new_conversation.fail')
     end
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 2441173bc..6435ed3ad 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -26,7 +26,6 @@ class PostsController < ApplicationController
         render locals: {post: presenter}
       end
       format.mobile { render locals: {post: post} }
-      format.xml { render xml: DiasporaFederation::Salmon::XmlPayload.pack(Diaspora::Federation::Entities.post(post)) }
       format.json { render json: presenter }
     end
   end
diff --git a/app/models/message.rb b/app/models/message.rb
index 82c551262..2a56ea47a 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -7,9 +7,6 @@ class Message < ActiveRecord::Base
 
   delegate :name, to: :author, prefix: true
 
-  # TODO: can be removed when messages are not relayed anymore
-  alias_attribute :parent, :conversation
-
   validates :conversation, presence: true
   validates :text, presence: true
   validate :participant_of_parent_conversation
@@ -31,11 +28,7 @@ class Message < ActiveRecord::Base
 
   # @return [Array<Person>]
   def subscribers
-    if author.local?
-      conversation.participants
-    else # for relaying, TODO: can be removed when messages are not relayed anymore
-      conversation.participants.remote
-    end
+    conversation.participants
   end
 
   private
diff --git a/app/models/user.rb b/app/models/user.rb
index 556a14641..940a48f25 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -268,10 +268,6 @@ class User < ActiveRecord::Base
     end
   end
 
-  def salmon(post)
-    Salmon::EncryptedSlap.create_by_user_and_activity(self, post.to_diaspora_xml)
-  end
-
   # Check whether the user has liked a post.
   # @param [Post] post
   def liked?(target)
@@ -347,7 +343,7 @@ class User < ActiveRecord::Base
 
   ######### Posts and Such ###############
   def retract(target)
-    retraction = Retraction.for(target, self)
+    retraction = Retraction.for(target)
     retraction.defer_dispatch(self)
     retraction.perform
   end
diff --git a/app/models/user/connecting.rb b/app/models/user/connecting.rb
index 0781745f4..161fb429a 100644
--- a/app/models/user/connecting.rb
+++ b/app/models/user/connecting.rb
@@ -34,7 +34,7 @@ class User
       if contact.person.local?
         contact.person.owner.disconnected_by(contact.user.person)
       else
-        Retraction.for(contact).defer_dispatch(self)
+        ContactRetraction.for(contact).defer_dispatch(self)
       end
 
       contact.aspect_memberships.delete_all
diff --git a/app/workers/deferred_retraction.rb b/app/workers/deferred_retraction.rb
index 5f3b8834a..f55e9c405 100644
--- a/app/workers/deferred_retraction.rb
+++ b/app/workers/deferred_retraction.rb
@@ -6,10 +6,10 @@ module Workers
   class DeferredRetraction < Base
     sidekiq_options queue: :high
 
-    def perform(user_id, retraction_data, recipient_ids, opts)
+    def perform(user_id, retraction_class, retraction_data, recipient_ids, opts)
       user = User.find(user_id)
       subscribers = Person.where(id: recipient_ids)
-      object = Retraction.new(retraction_data.deep_symbolize_keys, subscribers)
+      object = retraction_class.constantize.new(retraction_data.deep_symbolize_keys, subscribers)
       opts = HashWithIndifferentAccess.new(opts)
 
       Diaspora::Federation::Dispatcher.build(user, object, opts).dispatch
diff --git a/app/workers/receive_base.rb b/app/workers/receive_base.rb
index aab2082e4..c49dd7c8c 100644
--- a/app/workers/receive_base.rb
+++ b/app/workers/receive_base.rb
@@ -8,7 +8,7 @@ module Workers
     def filter_errors_for_retry
       yield
     rescue DiasporaFederation::Entity::ValidationError,
-           DiasporaFederation::Entity::InvalidRootNode,
+           DiasporaFederation::Parsers::BaseParser::InvalidRootNode,
            DiasporaFederation::Entity::InvalidEntityName,
            DiasporaFederation::Entity::UnknownEntity,
            DiasporaFederation::Entities::Relayable::SignatureVerificationFailed,
diff --git a/config/initializers/diaspora_federation.rb b/config/initializers/diaspora_federation.rb
index aff729ec4..e9270d469 100644
--- a/config/initializers/diaspora_federation.rb
+++ b/config/initializers/diaspora_federation.rb
@@ -13,16 +13,22 @@ DiasporaFederation.configure do |config|
       person = Person.where(diaspora_handle: diaspora_id, closed_account: false).where.not(owner: nil).first
       if person
         DiasporaFederation::Discovery::WebFinger.new(
-          acct_uri:      "acct:#{person.diaspora_handle}",
-          alias_url:     AppConfig.url_to("/people/#{person.guid}"),
-          hcard_url:     AppConfig.url_to(DiasporaFederation::Engine.routes.url_helpers.hcard_path(person.guid)),
-          seed_url:      AppConfig.pod_uri,
-          profile_url:   person.profile_url,
-          atom_url:      person.atom_url,
-          salmon_url:    person.receive_url,
-          subscribe_url: AppConfig.url_to("/people?q={uri}"),
-          guid:          person.guid,
-          public_key:    person.serialized_public_key
+          {
+            acct_uri:      "acct:#{person.diaspora_handle}",
+            hcard_url:     AppConfig.url_to(DiasporaFederation::Engine.routes.url_helpers.hcard_path(person.guid)),
+            seed_url:      AppConfig.pod_uri,
+            profile_url:   person.profile_url,
+            atom_url:      person.atom_url,
+            salmon_url:    person.receive_url,
+            subscribe_url: AppConfig.url_to("/people?q={uri}")
+          },
+          aliases: [AppConfig.url_to("/people/#{person.guid}")],
+          links:   [
+            {
+              rel:  OpenIDConnect::Discovery::Provider::Issuer::REL_VALUE,
+              href: Rails.application.routes.url_helpers.root_url
+            }
+          ]
         )
       end
     end
diff --git a/config/routes.rb b/config/routes.rb
index a4313011d..355154a6f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -230,6 +230,5 @@ Diaspora::Application.routes.draw do
     end
   end
 
-  get ".well-known/webfinger", to: "api/openid_connect/discovery#webfinger"
   get ".well-known/openid-configuration", to: "api/openid_connect/discovery#configuration"
 end
diff --git a/db/migrate/20170430022507_remove_message_signature.rb b/db/migrate/20170430022507_remove_message_signature.rb
new file mode 100644
index 000000000..f2519dba5
--- /dev/null
+++ b/db/migrate/20170430022507_remove_message_signature.rb
@@ -0,0 +1,5 @@
+class RemoveMessageSignature < ActiveRecord::Migration
+  def change
+    remove_column :messages, :author_signature, :text
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7e0e55ec0..48db06ecd 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161107100840) do
+ActiveRecord::Schema.define(version: 20170430022507) do
 
   create_table "account_deletions", force: :cascade do |t|
     t.string   "diaspora_handle", limit: 255
@@ -214,13 +214,12 @@ ActiveRecord::Schema.define(version: 20161107100840) do
   add_index "mentions", ["person_id"], name: "index_mentions_on_person_id", using: :btree
 
   create_table "messages", force: :cascade do |t|
-    t.integer  "conversation_id",  limit: 4,     null: false
-    t.integer  "author_id",        limit: 4,     null: false
-    t.string   "guid",             limit: 255,   null: false
-    t.text     "text",             limit: 65535, null: false
-    t.datetime "created_at",                     null: false
-    t.datetime "updated_at",                     null: false
-    t.text     "author_signature", limit: 65535
+    t.integer  "conversation_id", limit: 4,     null: false
+    t.integer  "author_id",       limit: 4,     null: false
+    t.string   "guid",            limit: 255,   null: false
+    t.text     "text",            limit: 65535, null: false
+    t.datetime "created_at",                    null: false
+    t.datetime "updated_at",                    null: false
   end
 
   add_index "messages", ["author_id"], name: "index_messages_on_author_id", using: :btree
diff --git a/lib/diaspora/federated.rb b/lib/diaspora/federated.rb
index 348364fa0..e00fbd86a 100644
--- a/lib/diaspora/federated.rb
+++ b/lib/diaspora/federated.rb
@@ -6,5 +6,6 @@ module Diaspora
   module Federated
     require "diaspora/federated/base"
     require "diaspora/federated/retraction"
+    require "diaspora/federated/contact_retraction"
   end
 end
diff --git a/lib/diaspora/federated/contact_retraction.rb b/lib/diaspora/federated/contact_retraction.rb
new file mode 100644
index 000000000..7ff7cc6f5
--- /dev/null
+++ b/lib/diaspora/federated/contact_retraction.rb
@@ -0,0 +1,18 @@
+class ContactRetraction < Retraction
+  def self.entity_class
+    DiasporaFederation::Entities::Contact
+  end
+
+  def self.retraction_data_for(target)
+    Diaspora::Federation::Entities.contact(target).to_h
+  end
+
+  def self.for(target)
+    target.receiving = false
+    super
+  end
+
+  def public?
+    false
+  end
+end
diff --git a/lib/diaspora/federated/retraction.rb b/lib/diaspora/federated/retraction.rb
index f925bbb9a..d6343c6fc 100644
--- a/lib/diaspora/federated/retraction.rb
+++ b/lib/diaspora/federated/retraction.rb
@@ -14,23 +14,27 @@ class Retraction
     @target = target
   end
 
-  def self.for(target, sender=nil)
-    federation_retraction = case target
-                            when Diaspora::Relayable
-                              Diaspora::Federation::Entities.relayable_retraction(target, sender)
-                            when Post
-                              Diaspora::Federation::Entities.signed_retraction(target, sender)
-                            else
-                              Diaspora::Federation::Entities.retraction(target)
-                            end
+  def self.entity_class
+    DiasporaFederation::Entities::Retraction
+  end
 
-    new(federation_retraction.to_h, target.subscribers.select(&:remote?), target)
+  def self.retraction_data_for(target)
+    DiasporaFederation::Entities::Retraction.new(
+      target_guid: target.guid,
+      target:      Diaspora::Federation::Entities.related_entity(target),
+      target_type: Diaspora::Federation::Mappings.entity_name_for(target),
+      author:      target.diaspora_handle
+    ).to_h
+  end
+
+  def self.for(target)
+    federation_retraction_data = retraction_data_for(target)
+    new(federation_retraction_data, target.subscribers.select(&:remote?), target)
   end
 
   def defer_dispatch(user, include_target_author=true)
     subscribers = dispatch_subscribers(include_target_author)
-    sender = dispatch_sender(user)
-    Workers::DeferredRetraction.perform_async(sender.id, data, subscribers.map(&:id), service_opts(user))
+    Workers::DeferredRetraction.perform_async(user.id, self.class.to_s, data, subscribers.map(&:id), service_opts(user))
   end
 
   def perform
@@ -40,8 +44,7 @@ class Retraction
   end
 
   def public?
-    # TODO: backward compatibility for pre 0.6 pods, they don't relay public retractions
-    data[:target][:public] == "true" && (!data[:target][:parent] || data[:target][:parent][:local] == "true")
+    data[:target][:public]
   end
 
   private
@@ -53,11 +56,6 @@ class Retraction
     subscribers
   end
 
-  # @deprecated This is only needed for pre 0.6 pods
-  def dispatch_sender(user)
-    target.try(:sender_for_dispatch) || user
-  end
-
   def service_opts(user)
     return {} unless target.is_a?(StatusMessage)
 
diff --git a/lib/diaspora/federation/dispatcher.rb b/lib/diaspora/federation/dispatcher.rb
index fc79e1092..64b16dae7 100644
--- a/lib/diaspora/federation/dispatcher.rb
+++ b/lib/diaspora/federation/dispatcher.rb
@@ -31,6 +31,16 @@ module Diaspora
 
       attr_reader :sender, :object, :opts
 
+      def entity
+        @entity ||= Entities.build(object)
+      end
+
+      def magic_envelope
+        @magic_envelope ||= DiasporaFederation::Salmon::MagicEnvelope.new(
+          entity, sender.diaspora_handle
+        ).envelop(sender.encryption_key)
+      end
+
       def deliver_to_services
         deliver_to_user_services if opts[:service_types]
       end
diff --git a/lib/diaspora/federation/dispatcher/private.rb b/lib/diaspora/federation/dispatcher/private.rb
index ab13756fd..456e1dcec 100644
--- a/lib/diaspora/federation/dispatcher/private.rb
+++ b/lib/diaspora/federation/dispatcher/private.rb
@@ -7,22 +7,17 @@ module Diaspora
         def deliver_to_remote(people)
           return if people.empty?
 
-          entity = Entities.build(object)
-          Workers::SendPrivate.perform_async(sender.id, entity.to_s, targets(people, salmon_slap(entity)))
+          Workers::SendPrivate.perform_async(sender.id, entity.to_s, targets(people))
         end
 
-        def targets(people, salmon_slap)
+        def targets(people)
           active, inactive = people.partition {|person| person.pod.active? }
           logger.info "ignoring inactive pods: #{inactive.map(&:diaspora_handle).join(', ')}" if inactive.any?
-          active.map {|person| [person.receive_url, salmon_slap.generate_xml(person.public_key)] }.to_h
+          active.map {|person| [person.receive_url, encrypted_magic_envelope(person)] }.to_h
         end
 
-        def salmon_slap(entity)
-          DiasporaFederation::Salmon::EncryptedSlap.prepare(
-            sender.diaspora_handle,
-            sender.encryption_key,
-            entity
-          )
+        def encrypted_magic_envelope(person)
+          DiasporaFederation::Salmon::EncryptedMagicEnvelope.encrypt(magic_envelope, person.public_key)
         end
       end
     end
diff --git a/lib/diaspora/federation/dispatcher/public.rb b/lib/diaspora/federation/dispatcher/public.rb
index c91979c20..b8ad30bff 100644
--- a/lib/diaspora/federation/dispatcher/public.rb
+++ b/lib/diaspora/federation/dispatcher/public.rb
@@ -14,8 +14,7 @@ module Diaspora
 
           return if targets.empty?
 
-          entity = Entities.build(object)
-          Workers::SendPublic.perform_async(sender.id, entity.to_s, targets, salmon_xml(entity))
+          Workers::SendPublic.perform_async(sender.id, entity.to_s, targets, magic_envelope.to_xml)
         end
 
         def target_urls(people)
@@ -29,14 +28,6 @@ module Diaspora
           [AppConfig.relay.outbound.url]
         end
 
-        def salmon_xml(entity)
-          DiasporaFederation::Salmon::Slap.generate_xml(
-            sender.diaspora_handle,
-            sender.encryption_key,
-            entity
-          )
-        end
-
         def deliver_to_hub
           logger.debug "deliver to pubsubhubbub sender: #{sender.diaspora_handle}"
           Workers::PublishToHub.perform_async(sender.atom_url)
diff --git a/lib/diaspora/federation/entities.rb b/lib/diaspora/federation/entities.rb
index f806ec158..2e18a57b6 100644
--- a/lib/diaspora/federation/entities.rb
+++ b/lib/diaspora/federation/entities.rb
@@ -5,17 +5,6 @@ module Diaspora
         public_send(Mappings.builder_for(entity.class), entity)
       end
 
-      def self.build_retraction(retraction)
-        case retraction.data[:target_type]
-        when "Comment", "Like", "PollParticipation"
-          DiasporaFederation::Entities::RelayableRetraction.new(retraction.data)
-        when "Post"
-          DiasporaFederation::Entities::SignedRetraction.new(retraction.data)
-        else
-          DiasporaFederation::Entities::Retraction.new(retraction.data)
-        end
-      end
-
       def self.post(post)
         case post
         when StatusMessage
@@ -50,10 +39,11 @@ module Diaspora
       end
 
       def self.contact(contact)
-        # TODO: use DiasporaFederation::Entities::Contact
-        DiasporaFederation::Entities::Request.new(
+        DiasporaFederation::Entities::Contact.new(
           author:    contact.user.diaspora_handle,
-          recipient: contact.person.diaspora_handle
+          recipient: contact.person.diaspora_handle,
+          sharing:   contact.receiving,
+          following: contact.receiving
         )
       end
 
@@ -98,10 +88,7 @@ module Diaspora
           guid:              message.guid,
           text:              message.text,
           created_at:        message.created_at,
-          parent_guid:       message.conversation.guid,
-          conversation_guid: message.conversation.guid,
-          author_signature:  message.author_signature,
-          parent:            related_entity(message.conversation)
+          conversation_guid: message.conversation.guid
         )
       end
 
@@ -110,8 +97,7 @@ module Diaspora
           author:      participation.diaspora_handle,
           guid:        participation.guid,
           parent_guid: participation.target.guid,
-          parent_type: Mappings.entity_name_for(participation.target),
-          parent:      related_entity(participation.target)
+          parent_type: Mappings.entity_name_for(participation.target)
         )
       end
 
@@ -178,16 +164,6 @@ module Diaspora
         )
       end
 
-      # @deprecated
-      def self.relayable_retraction(target, sender)
-        DiasporaFederation::Entities::RelayableRetraction.new(
-          target_guid: target.guid,
-          target_type: Mappings.entity_name_for(target),
-          target:      related_entity(target),
-          author:      sender.diaspora_handle
-        )
-      end
-
       def self.reshare(reshare)
         DiasporaFederation::Entities::Reshare.new(
           root_author:           reshare.root_diaspora_id,
@@ -200,35 +176,8 @@ module Diaspora
         )
       end
 
-      def self.retraction(target)
-        case target
-        when Contact
-          # TODO: deprecated
-          author = target.user.diaspora_handle
-          DiasporaFederation::Entities::Retraction.new(
-            target_guid: target.user.guid,
-            target_type: "Person",
-            target:      DiasporaFederation::Entities::RelatedEntity.new(author: author, local: true),
-            author:      author
-          )
-        else
-          DiasporaFederation::Entities::Retraction.new(
-            target_guid: target.guid,
-            target_type: Mappings.entity_name_for(target),
-            target:      related_entity(target),
-            author:      target.diaspora_handle
-          )
-        end
-      end
-
-      # @deprecated
-      def self.signed_retraction(target, sender)
-        DiasporaFederation::Entities::SignedRetraction.new(
-          target_guid: target.guid,
-          target_type: Mappings.entity_name_for(target),
-          target:      related_entity(target),
-          author:      sender.diaspora_handle
-        )
+      def self.retraction(retraction)
+        retraction.class.entity_class.new(retraction.data)
       end
 
       def self.status_message(status_message)
diff --git a/lib/diaspora/federation/mappings.rb b/lib/diaspora/federation/mappings.rb
index 2b761b697..0d19af545 100644
--- a/lib/diaspora/federation/mappings.rb
+++ b/lib/diaspora/federation/mappings.rb
@@ -49,7 +49,8 @@ module Diaspora
         PollParticipation => :poll_participation,
         Profile           => :profile,
         Reshare           => :reshare,
-        Retraction        => :build_retraction,
+        Retraction        => :retraction,
+        ContactRetraction => :retraction,
         StatusMessage     => :status_message
       }.freeze
 
diff --git a/lib/diaspora/federation/receive.rb b/lib/diaspora/federation/receive.rb
index a61566402..3a33a0d74 100644
--- a/lib/diaspora/federation/receive.rb
+++ b/lib/diaspora/federation/receive.rb
@@ -25,7 +25,7 @@ module Diaspora
 
       def self.contact(entity)
         recipient = Person.find_by(diaspora_handle: entity.recipient).owner
-        if entity.sharing.to_s == "true"
+        if entity.sharing
           Contact.create_or_update_sharing_contact(recipient, author_of(entity))
         else
           recipient.disconnected_by(author_of(entity))
@@ -59,7 +59,9 @@ module Diaspora
       end
 
       def self.message(entity)
-        save_message(entity).tap {|message| relay_relayable(message) if message }
+        ignore_existing_guid(Message, entity.guid, author_of(entity)) do
+          build_message(entity).tap(&:save!)
+        end
       end
 
       def self.participation(entity)
@@ -149,7 +151,7 @@ module Diaspora
         when Diaspora::Relayable
           if object.parent.author.local?
             parent_author = object.parent.author.owner
-            retraction = Retraction.for(object, parent_author)
+            retraction = Retraction.for(object)
             retraction.defer_dispatch(parent_author, false)
             retraction.perform
           else
@@ -215,15 +217,6 @@ module Diaspora
         end
       end
 
-      private_class_method def self.save_message(entity)
-        ignore_existing_guid(Message, entity.guid, author_of(entity)) do
-          build_message(entity).tap do |message|
-            message.author_signature = entity.author_signature if message.conversation.author.local?
-            message.save!
-          end
-        end
-      end
-
       private_class_method def self.save_photo(entity)
         Photo.create!(
           author:              author_of(entity),
@@ -263,8 +256,8 @@ module Diaspora
       private_class_method def self.build_signature(klass, entity)
         klass.reflect_on_association(:signature).klass.new(
           author_signature: entity.author_signature,
-          additional_data:  entity.additional_xml_elements,
-          signature_order:  SignatureOrder.find_or_create_by!(order: entity.xml_order.join(" "))
+          additional_data:  entity.additional_data,
+          signature_order:  SignatureOrder.find_or_create_by!(order: entity.signature_order.join(" "))
         )
       end
 
@@ -272,7 +265,7 @@ module Diaspora
         parent_author = relayable.parent.author.owner
         return unless parent_author && parent_author.ignored_people.include?(relayable.author)
 
-        retraction = Retraction.for(relayable, parent_author)
+        retraction = Retraction.for(relayable)
         Diaspora::Federation::Dispatcher.build(parent_author, retraction, subscribers: [relayable.author]).dispatch
 
         raise Diaspora::Federation::AuthorIgnored
diff --git a/lib/diaspora/relayable.rb b/lib/diaspora/relayable.rb
index c471636db..f7c023291 100644
--- a/lib/diaspora/relayable.rb
+++ b/lib/diaspora/relayable.rb
@@ -36,7 +36,6 @@ module Diaspora
       end
     end
 
-    # @deprecated This is only needed for pre 0.6 pods
     def sender_for_dispatch
       parent.author.owner if parent.author.local?
     end
diff --git a/spec/controllers/api/openid_connect/discovery_controller_spec.rb b/spec/controllers/api/openid_connect/discovery_controller_spec.rb
index 9d2ff4526..73d6e51fd 100644
--- a/spec/controllers/api/openid_connect/discovery_controller_spec.rb
+++ b/spec/controllers/api/openid_connect/discovery_controller_spec.rb
@@ -1,20 +1,4 @@
 describe Api::OpenidConnect::DiscoveryController, type: :controller do
-  describe "#webfinger" do
-    before do
-      get :webfinger, resource: "http://example.com/bob"
-    end
-
-    it "should return a url to the openid-configuration" do
-      json_body = JSON.parse(response.body)
-      expect(json_body["links"].first["href"]).to eq(root_url)
-    end
-
-    it "should return the resource in the subject" do
-      json_body = JSON.parse(response.body)
-      expect(json_body["subject"]).to eq("http://example.com/bob")
-    end
-  end
-
   describe "#configuration" do
     before do
       get :configuration
diff --git a/spec/controllers/messages_controller_spec.rb b/spec/controllers/messages_controller_spec.rb
index 7e753c4f0..6e7bea228 100644
--- a/spec/controllers/messages_controller_spec.rb
+++ b/spec/controllers/messages_controller_spec.rb
@@ -102,19 +102,6 @@ describe MessagesController, :type => :controller do
         expect(Diaspora::Federation::Dispatcher).to receive(:defer_dispatch).with(alice, instance_of(Message))
         post :create, @message_params
       end
-
-      it "dispatches the message twice if the conversation author is local and it has remote users" do
-        @conversation_params[:participant_ids] = [bob.person.id, alice.person.id, remote_raphael.id]
-        conversation = Conversation.create!(@conversation_params)
-        @message_params[:conversation_id] = conversation.id
-
-        expect(Diaspora::Federation::Dispatcher).to receive(:defer_dispatch).with(alice, instance_of(Message))
-        expect(Diaspora::Federation::Dispatcher).to receive(:defer_dispatch).with(
-          bob, instance_of(Message), subscriber_ids: [remote_raphael.id]
-        )
-
-        post :create, @message_params
-      end
     end
 
     context 'on a post from a stranger' do
diff --git a/spec/controllers/posts_controller_spec.rb b/spec/controllers/posts_controller_spec.rb
index 2ce6b677c..efbc1d8dd 100644
--- a/spec/controllers/posts_controller_spec.rb
+++ b/spec/controllers/posts_controller_spec.rb
@@ -76,12 +76,6 @@ describe PostsController, type: :controller do
           expect(response.body).to match "hello"
         end
 
-        it "responds with diaspora xml if format is xml" do
-          get :show, id: public.guid, format: :xml
-          expected_xml = DiasporaFederation::Salmon::XmlPayload.pack(Diaspora::Federation::Entities.post(public)).to_xml
-          expect(response.body).to eq(expected_xml)
-        end
-
         it "includes the correct uniques meta tags" do
           presenter = PostPresenter.new(public)
           methods_properties = {
diff --git a/spec/factories.rb b/spec/factories.rb
index d89eb7d95..fadc1d172 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -10,8 +10,7 @@ def r_str
   SecureRandom.hex(3)
 end
 
-require "diaspora_federation/test"
-DiasporaFederation::Test::Factories.federation_factories
+require "diaspora_federation/test/factories"
 
 FactoryGirl.define do
   factory :profile do
@@ -246,10 +245,9 @@ FactoryGirl.define do
     association(:post, factory: :status_message)
   end
 
-  factory(:notification) do
+  factory(:notification, class: Notifications::AlsoCommented) do
     association :recipient, :factory => :user
     association :target, :factory => :comment
-    type 'Notifications::AlsoCommented'
 
     after(:build) do |note|
       note.actors << FactoryGirl.build(:person)
diff --git a/spec/federation_callbacks_spec.rb b/spec/federation_callbacks_spec.rb
index 253484ded..7a5ddb58e 100644
--- a/spec/federation_callbacks_spec.rb
+++ b/spec/federation_callbacks_spec.rb
@@ -6,15 +6,20 @@ describe "diaspora federation callbacks" do
       person = alice.person
       wf = DiasporaFederation.callbacks.trigger(:fetch_person_for_webfinger, alice.diaspora_handle)
       expect(wf.acct_uri).to eq("acct:#{person.diaspora_handle}")
-      expect(wf.alias_url).to eq(AppConfig.url_to("/people/#{person.guid}"))
       expect(wf.hcard_url).to eq(AppConfig.url_to("/hcard/users/#{person.guid}"))
       expect(wf.seed_url).to eq(AppConfig.pod_uri)
       expect(wf.profile_url).to eq(person.profile_url)
       expect(wf.atom_url).to eq(person.atom_url)
       expect(wf.salmon_url).to eq(person.receive_url)
       expect(wf.subscribe_url).to eq(AppConfig.url_to("/people?q={uri}"))
-      expect(wf.guid).to eq(person.guid)
-      expect(wf.public_key).to eq(person.serialized_public_key)
+    end
+
+    it "contains the OpenID issuer" do
+      wf = DiasporaFederation.callbacks.trigger(:fetch_person_for_webfinger, alice.diaspora_handle)
+      links = wf.additional_data[:links]
+      openid_issuer = links.find {|l| l[:rel] == OpenIDConnect::Discovery::Provider::Issuer::REL_VALUE }
+      expect(openid_issuer).not_to be_nil
+      expect(openid_issuer[:href]).to eq(Rails.application.routes.url_helpers.root_url)
     end
 
     it "returns nil if the person was not found" do
@@ -203,7 +208,7 @@ describe "diaspora federation callbacks" do
 
     it "returns nil for an unknown id" do
       expect(
-        DiasporaFederation.callbacks.trigger(:fetch_private_key, FactoryGirl.generate(:diaspora_id))
+        DiasporaFederation.callbacks.trigger(:fetch_private_key, Fabricate.sequence(:diaspora_id))
       ).to be_nil
     end
   end
@@ -225,7 +230,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "returns nil for an unknown person" do
-      diaspora_id = FactoryGirl.generate(:diaspora_id)
+      diaspora_id = Fabricate.sequence(:diaspora_id)
       expect(Person).to receive(:find_or_fetch_by_identifier).with(diaspora_id)
         .and_raise(DiasporaFederation::Discovery::DiscoveryError)
 
@@ -295,7 +300,7 @@ describe "diaspora federation callbacks" do
 
     it "returns nil for a non-existing guid" do
       expect(
-        DiasporaFederation.callbacks.trigger(:fetch_related_entity, "Post", FactoryGirl.generate(:guid))
+        DiasporaFederation.callbacks.trigger(:fetch_related_entity, "Post", Fabricate.sequence(:guid))
       ).to be_nil
     end
   end
@@ -337,7 +342,7 @@ describe "diaspora federation callbacks" do
 
   describe ":receive_entity" do
     it "receives an AccountDeletion" do
-      account_deletion = FactoryGirl.build(:account_deletion_entity, author: remote_person.diaspora_handle)
+      account_deletion = Fabricate(:account_deletion_entity, author: remote_person.diaspora_handle)
 
       expect(Diaspora::Federation::Receive).to receive(:account_deletion).with(account_deletion)
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
@@ -346,7 +351,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "receives a Retraction" do
-      retraction = FactoryGirl.build(:retraction_entity, author: remote_person.diaspora_handle)
+      retraction = Fabricate(:retraction_entity, author: remote_person.diaspora_handle)
 
       expect(Diaspora::Federation::Receive).to receive(:retraction).with(retraction, 42)
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
@@ -355,7 +360,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "receives a entity" do
-      received = FactoryGirl.build(:status_message_entity, author: remote_person.diaspora_handle)
+      received = Fabricate(:status_message_entity, author: remote_person.diaspora_handle)
       persisted = FactoryGirl.create(:status_message)
 
       expect(Diaspora::Federation::Receive).to receive(:perform).with(received).and_return(persisted)
@@ -365,7 +370,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "calls schedule_check_if_needed on the senders pod" do
-      received = FactoryGirl.build(:status_message_entity, author: remote_person.diaspora_handle)
+      received = Fabricate(:status_message_entity, author: remote_person.diaspora_handle)
       persisted = FactoryGirl.create(:status_message)
 
       expect(Person).to receive(:by_account_identifier).with(received.author).and_return(remote_person)
@@ -377,7 +382,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "receives a entity for a recipient" do
-      received = FactoryGirl.build(:status_message_entity, author: remote_person.diaspora_handle)
+      received = Fabricate(:status_message_entity, author: remote_person.diaspora_handle)
       persisted = FactoryGirl.create(:status_message)
 
       expect(Diaspora::Federation::Receive).to receive(:perform).with(received).and_return(persisted)
@@ -387,7 +392,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "does not trigger a ReceiveLocal job if Receive.perform returned nil" do
-      received = FactoryGirl.build(:status_message_entity, author: remote_person.diaspora_handle)
+      received = Fabricate(:status_message_entity, author: remote_person.diaspora_handle)
 
       expect(Diaspora::Federation::Receive).to receive(:perform).with(received).and_return(nil)
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
@@ -460,7 +465,7 @@ describe "diaspora federation callbacks" do
     end
 
     it "forwards the DiscoveryError" do
-      diaspora_id = FactoryGirl.generate(:diaspora_id)
+      diaspora_id = Fabricate.sequence(:diaspora_id)
       expect(Person).to receive(:find_or_fetch_by_identifier).with(diaspora_id)
         .and_raise(DiasporaFederation::Discovery::DiscoveryError)
 
diff --git a/spec/helper_methods.rb b/spec/helper_methods.rb
index c1992dc82..f7406a3ef 100644
--- a/spec/helper_methods.rb
+++ b/spec/helper_methods.rb
@@ -51,11 +51,11 @@ module HelperMethods
     }.join(" ")
   end
 
-  def build_relayable_federation_entity(type, data={}, additional_xml_elements={})
-    attributes = FactoryGirl.attributes_for("#{type}_entity".to_sym, data)
-    entity_class = "DiasporaFederation::Entities::#{type.capitalize}".constantize
-    signable_fields = attributes.keys - [:author_signature]
+  def build_relayable_federation_entity(type, data={}, additional_data={})
+    attributes = Fabricate.attributes_for("#{type}_entity".to_sym, data)
+    entity_class = "DiasporaFederation::Entities::#{type.to_s.camelize}".constantize
+    signable_fields = attributes.keys - %i[author_signature parent]
 
-    entity_class.new(attributes, [*signable_fields, *additional_xml_elements.keys], additional_xml_elements)
+    entity_class.new(attributes, [*signable_fields, *additional_data.keys], additional_data)
   end
 end
diff --git a/spec/integration/federation/attack_vectors_spec.rb b/spec/integration/federation/attack_vectors_spec.rb
index e345420ef..b7dcbbe5b 100644
--- a/spec/integration/federation/attack_vectors_spec.rb
+++ b/spec/integration/federation/attack_vectors_spec.rb
@@ -23,7 +23,7 @@ describe "attack vectors", type: :request do
 
     alice.share_with(eve.person, alices_aspect)
 
-    post_message(generate_xml(Diaspora::Federation::Entities.post(original_message), bob, alice), alice)
+    post_message(generate_payload(Diaspora::Federation::Entities.post(original_message), bob, alice), alice)
 
     # alice still should not see eves original post, even though bob sent it to her
     expect(alice.reload.visible_shareables(Post).where(guid: original_message.guid)).to be_blank
@@ -34,7 +34,7 @@ describe "attack vectors", type: :request do
       profile = eve.profile.clone
       profile.first_name = "Not BOB"
 
-      post_message(generate_xml(Diaspora::Federation::Entities.profile(profile), alice, bob), bob)
+      post_message(generate_payload(Diaspora::Federation::Entities.profile(profile), alice, bob), bob)
 
       expect(eve.profile(true).first_name).not_to eq("Not BOB")
     end
@@ -42,16 +42,17 @@ describe "attack vectors", type: :request do
     it "public post should not be spoofed from another author" do
       post = FactoryGirl.build(:status_message, public: true, author: eve.person)
 
-      post_message(generate_xml(Diaspora::Federation::Entities.post(post), alice))
+      post_message(generate_payload(Diaspora::Federation::Entities.post(post), alice))
 
       expect(StatusMessage.exists?(guid: post.guid)).to be_falsey
     end
 
     it "should not receive retractions where the retractor and the salmon author do not match" do
       original_message = eve.post(:status_message, text: "store this!", to: eves_aspect.id)
+      retraction = Retraction.for(original_message)
 
       expect {
-        post_message(generate_xml(Diaspora::Federation::Entities.retraction(original_message), alice, bob), bob)
+        post_message(generate_payload(Diaspora::Federation::Entities.retraction(retraction), alice, bob), bob)
       }.to_not change { bob.visible_shareables(Post).count(:all) }
     end
 
@@ -61,7 +62,9 @@ describe "attack vectors", type: :request do
       contact = bob.contacts(true).find_by(person_id: eve.person.id)
       expect(contact).to be_sharing
 
-      post_message(generate_xml(Diaspora::Federation::Entities.retraction(contact), alice, bob), bob)
+      post_message(
+        generate_payload(Diaspora::Federation::Entities.retraction(ContactRetraction.for(contact)), alice, bob), bob
+      )
 
       expect(bob.contacts(true).find_by(person_id: eve.person.id)).to be_sharing
     end
@@ -79,7 +82,7 @@ describe "attack vectors", type: :request do
       author: alice.person
     )
 
-    post_message(generate_xml(Diaspora::Federation::Entities.post(malicious_message), alice, bob), bob)
+    post_message(generate_payload(Diaspora::Federation::Entities.post(malicious_message), alice, bob), bob)
 
     expect(original_message.reload.author_id).to eq(eve.person.id)
   end
@@ -92,7 +95,7 @@ describe "attack vectors", type: :request do
     # eve tries to send me another message with the same ID
     malicious_message = FactoryGirl.build(:status_message, id: original_message.id, text: "BAD!!!", author: eve.person)
 
-    post_message(generate_xml(Diaspora::Federation::Entities.post(malicious_message), eve, bob), bob)
+    post_message(generate_payload(Diaspora::Federation::Entities.post(malicious_message), eve, bob), bob)
 
     expect(original_message.reload.text).to eq("store this!")
   end
@@ -108,7 +111,7 @@ describe "attack vectors", type: :request do
     )
 
     expect {
-      post_message(generate_xml(retraction, alice, bob), bob)
+      post_message(generate_payload(retraction, alice, bob), bob)
     }.to_not change(StatusMessage, :count)
   end
 
@@ -121,7 +124,7 @@ describe "attack vectors", type: :request do
     new_message.height = 23
     new_message.width = 42
 
-    post_message(generate_xml(Diaspora::Federation::Entities.photo(new_message), alice, bob), bob)
+    post_message(generate_payload(Diaspora::Federation::Entities.photo(new_message), alice, bob), bob)
 
     expect(original_message.reload.text).to eq("store this!")
   end
diff --git a/spec/integration/federation/federation_helper.rb b/spec/integration/federation/federation_helper.rb
index afc880792..3525c95fe 100644
--- a/spec/integration/federation/federation_helper.rb
+++ b/spec/integration/federation/federation_helper.rb
@@ -35,41 +35,38 @@ def create_relayable_entity(entity_name, parent, diaspora_id)
     :fetch_private_key, alice.diaspora_handle
   ).at_least(1).times.and_return(nil) if parent == local_parent
 
-  parent_guid = parent.guid
-  FactoryGirl.build(
+  Fabricate(
     entity_name,
-    conversation_guid: parent_guid,
-    parent_guid:       parent_guid,
-    author:            diaspora_id,
-    poll_answer_guid:  parent.respond_to?(:poll_answers) ? parent.poll_answers.first.guid : nil,
-    parent:            Diaspora::Federation::Entities.related_entity(parent)
+    parent_guid:      parent.guid,
+    author:           diaspora_id,
+    poll_answer_guid: parent.respond_to?(:poll_answers) ? parent.poll_answers.first.guid : nil,
+    parent:           Diaspora::Federation::Entities.related_entity(parent)
   )
 end
 
-def generate_xml(entity, remote_user, recipient=nil)
+def generate_payload(entity, remote_user, recipient=nil)
+  magic_env = DiasporaFederation::Salmon::MagicEnvelope.new(
+    entity,
+    remote_user.diaspora_handle
+  ).envelop(remote_user.encryption_key)
+
   if recipient
-    DiasporaFederation::Salmon::EncryptedSlap.prepare(
-      remote_user.diaspora_handle,
-      remote_user.encryption_key,
-      entity
-    ).generate_xml(recipient.encryption_key)
+    DiasporaFederation::Salmon::EncryptedMagicEnvelope.encrypt(magic_env, recipient.encryption_key)
   else
-    DiasporaFederation::Salmon::Slap.generate_xml(
-      remote_user.diaspora_handle,
-      remote_user.encryption_key,
-      entity
-    )
+    magic_env.to_xml
   end
 end
 
-def post_message(xml, recipient=nil)
+def post_message(payload, recipient=nil)
   if recipient
     inlined_jobs do
-      post "/receive/users/#{recipient.guid}", guid: recipient.guid, xml: xml
+      headers = {"CONTENT_TYPE" => "application/json"}
+      post "/receive/users/#{recipient.guid}", payload, headers
     end
   else
     inlined_jobs do
-      post "/receive/public", xml: xml
+      headers = {"CONTENT_TYPE" => "application/magic-envelope+xml"}
+      post "/receive/public", payload, headers
     end
   end
 end
diff --git a/spec/integration/federation/receive_federation_messages_spec.rb b/spec/integration/federation/receive_federation_messages_spec.rb
index 85a2b142d..651c65150 100644
--- a/spec/integration/federation/receive_federation_messages_spec.rb
+++ b/spec/integration/federation/receive_federation_messages_spec.rb
@@ -15,14 +15,14 @@ describe "Receive federation messages feature" do
     let(:recipient) { nil }
 
     it "receives account deletion correctly" do
-      post_message(generate_xml(DiasporaFederation::Entities::AccountDeletion.new(diaspora_id: sender_id), sender))
+      post_message(generate_payload(DiasporaFederation::Entities::AccountDeletion.new(diaspora_id: sender_id), sender))
 
       expect(AccountDeletion.exists?(diaspora_handle: sender_id)).to be_truthy
     end
 
     it "rejects account deletion with wrong diaspora_id" do
-      delete_id = FactoryGirl.generate(:diaspora_id)
-      post_message(generate_xml(DiasporaFederation::Entities::AccountDeletion.new(diaspora_id: delete_id), sender))
+      delete_id = Fabricate.sequence(:diaspora_id)
+      post_message(generate_payload(DiasporaFederation::Entities::AccountDeletion.new(diaspora_id: delete_id), sender))
 
       expect(AccountDeletion.exists?(diaspora_handle: delete_id)).to be_falsey
       expect(AccountDeletion.exists?(diaspora_handle: sender_id)).to be_falsey
@@ -31,14 +31,14 @@ describe "Receive federation messages feature" do
     context "reshare" do
       it "reshare of public post passes" do
         post = FactoryGirl.create(:status_message, author: alice.person, public: true)
-        reshare = FactoryGirl.build(
+        reshare = Fabricate(
           :reshare_entity, root_author: alice.diaspora_handle, root_guid: post.guid, author: sender_id)
 
         expect(Participation::Generator).to receive(:new).with(
           alice, instance_of(Reshare)
         ).and_return(double(create!: true))
 
-        post_message(generate_xml(reshare, sender))
+        post_message(generate_payload(reshare, sender))
 
         expect(Reshare.exists?(root_guid: post.guid)).to be_truthy
         expect(Reshare.where(root_guid: post.guid).last.diaspora_handle).to eq(sender_id)
@@ -46,10 +46,10 @@ describe "Receive federation messages feature" do
 
       it "reshare of private post fails" do
         post = FactoryGirl.create(:status_message, author: alice.person, public: false)
-        reshare = FactoryGirl.build(
+        reshare = Fabricate(
           :reshare_entity, root_author: alice.diaspora_handle, root_guid: post.guid, author: sender_id)
         expect {
-          post_message(generate_xml(reshare, sender))
+          post_message(generate_payload(reshare, sender))
         }.to raise_error ActiveRecord::RecordInvalid, "Validation failed: Only posts which are public may be reshared."
 
         expect(Reshare.exists?(root_guid: post.guid)).to be_falsey
@@ -73,12 +73,12 @@ describe "Receive federation messages feature" do
   context "with private receive" do
     let(:recipient) { alice }
 
-    it "treats sharing request recive correctly" do
-      entity = FactoryGirl.build(:request_entity, author: sender_id, recipient: alice.diaspora_handle)
+    it "treats sharing request receive correctly" do
+      entity = Fabricate(:contact_entity, author: sender_id, recipient: alice.diaspora_handle)
 
       expect(Workers::ReceiveLocal).to receive(:perform_async).and_call_original
 
-      post_message(generate_xml(entity, sender, alice), alice)
+      post_message(generate_payload(entity, sender, alice), alice)
 
       expect(alice.contacts.count).to eq(2)
       new_contact = alice.contacts.find {|c| c.person.diaspora_handle == sender_id }
@@ -105,8 +105,8 @@ describe "Receive federation messages feature" do
       it_behaves_like "messages which can't be send without sharing"
 
       it "treats profile receive correctly" do
-        entity = FactoryGirl.build(:profile_entity, author: sender_id)
-        post_message(generate_xml(entity, sender, alice), alice)
+        entity = Fabricate(:profile_entity, author: sender_id)
+        post_message(generate_payload(entity, sender, alice), alice)
 
         received_profile = sender.profile.reload
 
@@ -115,35 +115,70 @@ describe "Receive federation messages feature" do
       end
 
       it "receives conversation correctly" do
-        entity = FactoryGirl.build(
+        entity = Fabricate(
           :conversation_entity,
           author:       sender_id,
           participants: "#{sender_id};#{alice.diaspora_handle}"
         )
-        post_message(generate_xml(entity, sender, alice), alice)
+        post_message(generate_payload(entity, sender, alice), alice)
 
         expect(Conversation.exists?(guid: entity.guid)).to be_truthy
       end
 
       context "with message" do
-        let(:local_parent) {
-          FactoryGirl.build(:conversation, author: alice.person).tap do |target|
-            target.participants << remote_user_on_pod_b.person
-            target.participants << remote_user_on_pod_c.person
-            target.save
-          end
-        }
-        let(:remote_parent) {
-          FactoryGirl.build(:conversation, author: remote_user_on_pod_b.person).tap do |target|
-            target.participants << alice.person
-            target.participants << remote_user_on_pod_c.person
-            target.save
-          end
-        }
-        let(:entity_name) { :message_entity }
-        let(:klass) { Message }
+        context "local" do
+          let(:parent) {
+            FactoryGirl.build(:conversation, author: alice.person).tap do |target|
+              target.participants << remote_user_on_pod_b.person
+              target.participants << remote_user_on_pod_c.person
+              target.save
+            end
+          }
+          let(:message) {
+            Fabricate(
+              :message_entity,
+              conversation_guid: parent.guid,
+              author:            sender_id,
+              parent:            Diaspora::Federation::Entities.related_entity(parent)
+            )
+          }
 
-        it_behaves_like "it deals correctly with a relayable"
+          it "receives the message correctly" do
+            expect(Workers::ReceiveLocal).to receive(:perform_async)
+            post_message(generate_payload(message, sender, recipient), recipient)
+
+            received_message = Message.find_by(guid: message.guid)
+            expect(received_message).not_to be_nil
+            expect(received_message.author.diaspora_handle).to eq(sender_id)
+          end
+        end
+
+        context "remote" do
+          let(:parent) {
+            FactoryGirl.build(:conversation, author: remote_user_on_pod_b.person).tap do |target|
+              target.participants << alice.person
+              target.participants << remote_user_on_pod_c.person
+              target.save
+            end
+          }
+          let(:message) {
+            Fabricate(
+              :message_entity,
+              conversation_guid: parent.guid,
+              author:            remote_user_on_pod_c.diaspora_handle,
+              parent:            Diaspora::Federation::Entities.related_entity(parent)
+            )
+          }
+
+          it "receives the message correctly" do
+            expect(Workers::ReceiveLocal).to receive(:perform_async)
+            post_message(generate_payload(message, remote_user_on_pod_c, recipient), recipient)
+
+            received_message = Message.find_by(guid: message.guid)
+            expect(received_message).not_to be_nil
+            expect(received_message.author.diaspora_handle).to eq(remote_user_on_pod_c.diaspora_handle)
+          end
+        end
       end
     end
   end
diff --git a/spec/integration/federation/shared_receive_relayable.rb b/spec/integration/federation/shared_receive_relayable.rb
index 06e67c247..2d0e150ba 100644
--- a/spec/integration/federation/shared_receive_relayable.rb
+++ b/spec/integration/federation/shared_receive_relayable.rb
@@ -4,7 +4,7 @@ shared_examples_for "it deals correctly with a relayable" do
 
     it "treats upstream receive correctly" do
       expect(Workers::ReceiveLocal).to receive(:perform_async)
-      post_message(generate_xml(entity, sender, recipient), recipient)
+      post_message(generate_payload(entity, sender, recipient), recipient)
 
       received_entity = klass.find_by(guid: entity.guid)
       expect(received_entity).not_to be_nil
@@ -15,7 +15,7 @@ shared_examples_for "it deals correctly with a relayable" do
     it "rejects an upstream entity with a malformed author signature" do
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
       allow(remote_user_on_pod_b).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-      post_message(generate_xml(entity, sender, recipient), recipient)
+      post_message(generate_payload(entity, sender, recipient), recipient)
 
       expect(klass.exists?(guid: entity.guid)).to be_falsey
     end
@@ -28,7 +28,7 @@ shared_examples_for "it deals correctly with a relayable" do
     it "treats downstream receive correctly" do
       expect(Workers::ReceiveLocal).to receive(:perform_async)
 
-      post_message(generate_xml(entity, sender, recipient), recipient)
+      post_message(generate_payload(entity, sender, recipient), recipient)
 
       received_entity = klass.find_by(guid: entity.guid)
       expect(received_entity).not_to be_nil
@@ -40,7 +40,7 @@ shared_examples_for "it deals correctly with a relayable" do
     it "rejects a downstream entity with a malformed author signature" do
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
       allow(remote_user_on_pod_c).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-      post_message(generate_xml(entity, sender, recipient), recipient)
+      post_message(generate_payload(entity, sender, recipient), recipient)
 
       expect(klass.exists?(guid: entity.guid)).to be_falsey
     end
@@ -50,7 +50,7 @@ shared_examples_for "it deals correctly with a relayable" do
     it "declines downstream receive when sender signed with a wrong key" do
       expect(Workers::ReceiveLocal).not_to receive(:perform_async)
       allow(sender).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-      post_message(generate_xml(entity, sender, recipient), recipient)
+      post_message(generate_payload(entity, sender, recipient), recipient)
 
       expect(klass.exists?(guid: entity.guid)).to be_falsey
     end
diff --git a/spec/integration/federation/shared_receive_retraction.rb b/spec/integration/federation/shared_receive_retraction.rb
index afa415993..adc8112c0 100644
--- a/spec/integration/federation/shared_receive_retraction.rb
+++ b/spec/integration/federation/shared_receive_retraction.rb
@@ -1,6 +1,6 @@
-def retraction_entity(entity_name, target_object, sender)
-  FactoryGirl.build(
-    entity_name,
+def retraction_entity(target_object, sender)
+  Fabricate(
+    :retraction_entity,
     author:      sender.diaspora_handle,
     target_guid: target_object.guid,
     target_type: target_object.class.to_s,
@@ -10,23 +10,23 @@ end
 
 shared_examples_for "it retracts non-relayable object" do
   it "retracts object by a correct retraction message" do
-    entity = retraction_entity(entity_name, target_object, sender)
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    entity = retraction_entity(target_object, sender)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(target_object.class.exists?(guid: target_object.guid)).to be_falsey
   end
 
   it "doesn't retract object when retraction has wrong signatures" do
     allow(sender).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-    entity = retraction_entity(entity_name, target_object, sender)
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    entity = retraction_entity(target_object, sender)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(target_object.class.exists?(guid: target_object.guid)).to be_truthy
   end
 
   it "doesn't retract object when sender is different from target object" do
-    entity = retraction_entity(entity_name, target_object, remote_user_on_pod_c)
-    post_message(generate_xml(entity, remote_user_on_pod_c, recipient), recipient)
+    entity = retraction_entity(target_object, remote_user_on_pod_c)
+    post_message(generate_payload(entity, remote_user_on_pod_c, recipient), recipient)
 
     expect(target_object.class.exists?(guid: target_object.guid)).to be_truthy
   end
@@ -34,16 +34,16 @@ end
 
 shared_examples_for "it retracts relayable object" do
   it "retracts object by a correct message" do
-    entity = retraction_entity(entity_name, target_object, sender)
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    entity = retraction_entity(target_object, sender)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(target_object.class.exists?(guid: target_object.guid)).to be_falsey
   end
 
   it "doesn't retract object when retraction has wrong signatures" do
     allow(sender).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-    entity = retraction_entity(entity_name, target_object, sender)
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    entity = retraction_entity(target_object, sender)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(target_object.class.exists?(guid: target_object.guid)).to be_truthy
   end
diff --git a/spec/integration/federation/shared_receive_stream_items.rb b/spec/integration/federation/shared_receive_stream_items.rb
index 391c194cf..86cb4125b 100644
--- a/spec/integration/federation/shared_receive_stream_items.rb
+++ b/spec/integration/federation/shared_receive_stream_items.rb
@@ -4,18 +4,18 @@ shared_examples_for "messages which are indifferent about sharing fact" do
   let(:public) { recipient.nil? }
 
   it "treats status message receive correctly" do
-    entity = FactoryGirl.build(:status_message_entity, author: sender_id, public: public)
+    entity = Fabricate(:status_message_entity, author: sender_id, public: public)
 
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(StatusMessage.exists?(guid: entity.guid)).to be_truthy
   end
 
   it "doesn't accept status message with wrong signature" do
     allow(sender).to receive(:encryption_key).and_return(OpenSSL::PKey::RSA.new(1024))
-    entity = FactoryGirl.build(:status_message_entity, author: sender_id, public: public)
+    entity = Fabricate(:status_message_entity, author: sender_id, public: public)
 
-    post_message(generate_xml(entity, sender, recipient), recipient)
+    post_message(generate_payload(entity, sender, recipient), recipient)
 
     expect(StatusMessage.exists?(guid: entity.guid)).to be_falsey
   end
@@ -27,7 +27,7 @@ shared_examples_for "messages which are indifferent about sharing fact" do
     describe "notifications are sent where required" do
       it "for comment on local post" do
         entity = create_relayable_entity(:comment_entity, local_parent, remote_user_on_pod_b.diaspora_handle)
-        post_message(generate_xml(entity, sender, recipient), recipient)
+        post_message(generate_payload(entity, sender, recipient), recipient)
 
         expect(
           Notifications::CommentOnPost.exists?(
@@ -40,7 +40,7 @@ shared_examples_for "messages which are indifferent about sharing fact" do
 
       it "for like on local post" do
         entity = create_relayable_entity(:like_entity, local_parent, remote_user_on_pod_b.diaspora_handle)
-        post_message(generate_xml(entity, sender, recipient), recipient)
+        post_message(generate_payload(entity, sender, recipient), recipient)
 
         expect(
           Notifications::Liked.exists?(
@@ -62,11 +62,18 @@ shared_examples_for "messages which are indifferent about sharing fact" do
     end
 
     context "with participations" do
-      let(:entity) { create_relayable_entity(:participation_entity, local_parent, sender_id) }
+      let(:entity) {
+        Fabricate(
+          :participation_entity,
+          author:      sender_id,
+          parent_guid: local_parent.guid,
+          parent:      Diaspora::Federation::Entities.related_entity(local_parent)
+        )
+      }
 
       it "treats participation receive correctly" do
         expect(Workers::ReceiveLocal).to receive(:perform_async)
-        post_message(generate_xml(entity, sender, recipient), recipient)
+        post_message(generate_payload(entity, sender, recipient), recipient)
 
         received_entity = Participation.find_by(guid: entity.guid)
         expect(received_entity).not_to be_nil
@@ -77,7 +84,7 @@ shared_examples_for "messages which are indifferent about sharing fact" do
         expect(Workers::ReceiveLocal).not_to receive(:perform_async)
         entity = create_relayable_entity(:participation_entity, remote_parent, sender_id)
 
-        post_message(generate_xml(entity, sender, recipient), recipient)
+        post_message(generate_payload(entity, sender, recipient), recipient)
 
         expect(Participation.exists?(guid: entity.guid)).to be_falsey
       end
@@ -107,17 +114,11 @@ end
 shared_examples_for "messages which can't be send without sharing" do
   # retractions shouldn't depend on sharing fact
   describe "retractions for non-relayable objects" do
-    %w(retraction signed_retraction).each do |retraction_entity_name|
-      context "with #{retraction_entity_name}" do
-        let(:entity_name) { "#{retraction_entity_name}_entity".to_sym }
+    %w[status_message photo].each do |target|
+      context "with #{target}" do
+        let(:target_object) { FactoryGirl.create(target.to_sym, author: remote_user_on_pod_b.person) }
 
-        %w(status_message photo).each do |target|
-          context "with #{target}" do
-            let(:target_object) { FactoryGirl.create(target.to_sym, author: remote_user_on_pod_b.person) }
-
-            it_behaves_like "it retracts non-relayable object"
-          end
-        end
+        it_behaves_like "it retracts non-relayable object"
       end
     end
   end
@@ -133,7 +134,7 @@ shared_examples_for "messages which can't be send without sharing" do
         alice.participate!(remote_parent)
         author_id = remote_user_on_pod_c.diaspora_handle
         entity = create_relayable_entity(:comment_entity, remote_parent, author_id)
-        post_message(generate_xml(entity, sender, recipient), recipient)
+        post_message(generate_payload(entity, sender, recipient), recipient)
 
         expect(
           Notifications::AlsoCommented.exists?(
@@ -146,47 +147,41 @@ shared_examples_for "messages which can't be send without sharing" do
     end
 
     describe "retractions for relayable objects" do
-      %w(retraction signed_retraction relayable_retraction).each do |retraction_entity_name|
-        context "with #{retraction_entity_name}" do
-          let(:entity_name) { "#{retraction_entity_name}_entity".to_sym }
+      before do
+        allow(DiasporaFederation.callbacks).to receive(:trigger).with(
+          :fetch_private_key, alice.diaspora_handle
+        ) { alice.encryption_key }
+      end
 
-          before do
-            allow(DiasporaFederation.callbacks).to receive(:trigger).with(
-              :fetch_private_key, alice.diaspora_handle
-            ) { alice.encryption_key }
-          end
+      context "with comment" do
+        it_behaves_like "it retracts relayable object" do
+          # case for to-upstream federation
+          let(:target_object) {
+            FactoryGirl.create(:comment, author: remote_user_on_pod_b.person, post: local_parent)
+          }
+        end
 
-          context "with comment" do
-            it_behaves_like "it retracts relayable object" do
-              # case for to-upstream federation
-              let(:target_object) {
-                FactoryGirl.create(:comment, author: remote_user_on_pod_b.person, post: local_parent)
-              }
-            end
+        it_behaves_like "it retracts relayable object" do
+          # case for to-downsteam federation
+          let(:target_object) {
+            FactoryGirl.create(:comment, author: remote_user_on_pod_c.person, post: remote_parent)
+          }
+        end
+      end
 
-            it_behaves_like "it retracts relayable object" do
-              # case for to-downsteam federation
-              let(:target_object) {
-                FactoryGirl.create(:comment, author: remote_user_on_pod_c.person, post: remote_parent)
-              }
-            end
-          end
+      context "with like" do
+        it_behaves_like "it retracts relayable object" do
+          # case for to-upstream federation
+          let(:target_object) {
+            FactoryGirl.create(:like, author: remote_user_on_pod_b.person, target: local_parent)
+          }
+        end
 
-          context "with like" do
-            it_behaves_like "it retracts relayable object" do
-              # case for to-upstream federation
-              let(:target_object) {
-                FactoryGirl.create(:like, author: remote_user_on_pod_b.person, target: local_parent)
-              }
-            end
-
-            it_behaves_like "it retracts relayable object" do
-              # case for to-downsteam federation
-              let(:target_object) {
-                FactoryGirl.create(:like, author: remote_user_on_pod_c.person, target: remote_parent)
-              }
-            end
-          end
+        it_behaves_like "it retracts relayable object" do
+          # case for to-downsteam federation
+          let(:target_object) {
+            FactoryGirl.create(:like, author: remote_user_on_pod_c.person, target: remote_parent)
+          }
         end
       end
     end
diff --git a/spec/integration/mentioning_spec.rb b/spec/integration/mentioning_spec.rb
index 367758bf8..94bd5f8cf 100644
--- a/spec/integration/mentioning_spec.rb
+++ b/spec/integration/mentioning_spec.rb
@@ -73,7 +73,7 @@ module MentioningSpecHelpers
   end
 
   def receive_status_message_via_federation(text, *recipients)
-    entity = FactoryGirl.build(
+    entity = Fabricate(
       :status_message_entity,
       author: remote_raphael.diaspora_handle,
       text:   text,
diff --git a/spec/lib/diaspora/federated/contact_retraction_spec.rb b/spec/lib/diaspora/federated/contact_retraction_spec.rb
new file mode 100644
index 000000000..bd5c7c3dd
--- /dev/null
+++ b/spec/lib/diaspora/federated/contact_retraction_spec.rb
@@ -0,0 +1,66 @@
+describe ContactRetraction do
+  let(:contact) { FactoryGirl.build(:contact, sharing: true, receiving: true) }
+  let(:retraction) { ContactRetraction.for(contact) }
+
+  describe "#subscribers" do
+    it "contains the contact person" do
+      expect(retraction.subscribers).to eq([contact.person])
+    end
+  end
+
+  describe "#data" do
+    it "contains the hash with all data from the federation-retraction" do
+      federation_retraction_data = Diaspora::Federation::Entities.contact(contact).to_h
+      federation_retraction_data[:sharing] = false
+      federation_retraction_data[:following] = false
+
+      expect(retraction.data).to eq(federation_retraction_data)
+    end
+  end
+
+  describe ".retraction_data_for" do
+    it "creates a retraction for a contact" do
+      contact = FactoryGirl.build(:contact, sharing: false, receiving: false)
+      expect(Diaspora::Federation::Entities).to receive(:contact).with(contact).and_call_original
+      data = ContactRetraction.retraction_data_for(contact)
+
+      expect(data[:author]).to eq(contact.user.diaspora_handle)
+      expect(data[:recipient]).to eq(contact.person.diaspora_handle)
+      expect(data[:sharing]).to be_falsey
+      expect(data[:following]).to be_falsey
+    end
+  end
+
+  describe ".for" do
+    it "creates a retraction for a contact" do
+      expect(ContactRetraction).to receive(:retraction_data_for).with(contact)
+      ContactRetraction.for(contact)
+    end
+
+    it "create contact entity with 'sharing' and 'following' set to false" do
+      data = ContactRetraction.for(contact).data
+      expect(data[:sharing]).to be_falsey
+      expect(data[:following]).to be_falsey
+    end
+  end
+
+  describe ".defer_dispatch" do
+    it "queues a job to send the retraction later" do
+      contact = FactoryGirl.build(:contact, user: local_luke, person: remote_raphael)
+      retraction = ContactRetraction.for(contact)
+      federation_retraction_data = Diaspora::Federation::Entities.contact(contact).to_h
+
+      expect(Workers::DeferredRetraction).to receive(:perform_async).with(
+        local_luke.id, "ContactRetraction", federation_retraction_data, [remote_raphael.id], {}
+      )
+
+      retraction.defer_dispatch(local_luke)
+    end
+  end
+
+  describe "#public?" do
+    it "returns false for a contact retraction" do
+      expect(retraction.public?).to be_falsey
+    end
+  end
+end
diff --git a/spec/lib/diaspora/federated/retraction_spec.rb b/spec/lib/diaspora/federated/retraction_spec.rb
index 3f7b9f39b..565f22387 100644
--- a/spec/lib/diaspora/federated/retraction_spec.rb
+++ b/spec/lib/diaspora/federated/retraction_spec.rb
@@ -4,13 +4,13 @@
 
 describe Retraction do
   let(:post) { alice.post(:status_message, text: "destroy!", public: true) }
-  let(:retraction) { Retraction.for(post, alice) }
+  let(:retraction) { Retraction.for(post) }
 
   describe "#subscribers" do
     it "contains all remote-subscribers of target object" do
       post = local_luke.post(:status_message, text: "destroy!", public: true)
 
-      retraction = Retraction.for(post, local_luke)
+      retraction = Retraction.for(post)
 
       expect(retraction.subscribers).to eq([remote_raphael])
     end
@@ -18,46 +18,60 @@ describe Retraction do
 
   describe "#data" do
     it "contains the hash with all data from the federation-retraction" do
-      federation_retraction = Diaspora::Federation::Entities.signed_retraction(post, alice)
+      expect(retraction.data[:target_guid]).to eq(post.guid)
+      expect(retraction.data[:target]).to eq(Diaspora::Federation::Entities.related_entity(post).to_h)
+      expect(retraction.data[:target_type]).to eq("Post")
+      expect(retraction.data[:author]).to eq(alice.diaspora_handle)
+    end
+  end
 
-      expect(retraction.data).to eq(federation_retraction.to_h)
+  describe ".retraction_data_for" do
+    it "creates the retraction data for a post" do
+      data = Retraction.retraction_data_for(post)
+      expect(data[:target_guid]).to eq(post.guid)
+      expect(data[:target]).to eq(Diaspora::Federation::Entities.related_entity(post).to_h)
+      expect(data[:target_type]).to eq("Post")
+      expect(data[:author]).to eq(alice.diaspora_handle)
+    end
+
+    it "creates the retraction data for a relayable" do
+      comment = FactoryGirl.create(:comment, author: alice.person, post: post)
+
+      data = Retraction.retraction_data_for(comment)
+      expect(data[:target_guid]).to eq(comment.guid)
+      expect(data[:target]).to eq(Diaspora::Federation::Entities.related_entity(comment).to_h)
+      expect(data[:target_type]).to eq("Comment")
+      expect(data[:author]).to eq(alice.diaspora_handle)
     end
   end
 
   describe ".for" do
     it "creates a retraction for a post" do
-      expect(Diaspora::Federation::Entities).to receive(:signed_retraction).with(post, alice)
+      expect(Retraction).to receive(:retraction_data_for).with(post)
 
-      Retraction.for(post, alice)
+      Retraction.for(post)
     end
 
     it "creates a retraction for a relayable" do
       comment = FactoryGirl.create(:comment, author: alice.person, post: post)
 
-      expect(Diaspora::Federation::Entities).to receive(:relayable_retraction).with(comment, alice)
+      expect(Retraction).to receive(:retraction_data_for).with(comment)
 
-      Retraction.for(comment, alice)
-    end
-
-    it "creates a retraction for a contact" do
-      contact = FactoryGirl.create(:contact)
-
-      expect(Diaspora::Federation::Entities).to receive(:retraction).with(contact)
-
-      Retraction.for(contact, contact.user)
+      Retraction.for(comment)
     end
   end
 
   describe ".defer_dispatch" do
     it "queues a job to send the retraction later" do
       post = local_luke.post(:status_message, text: "destroy!", public: true)
-      federation_retraction = Diaspora::Federation::Entities.signed_retraction(post, local_luke)
+      retraction = Retraction.for(post)
+      federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
       expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-        local_luke.id, federation_retraction.to_h, [remote_raphael.id], service_types: []
+        local_luke.id, "Retraction", federation_retraction.to_h, [remote_raphael.id], service_types: []
       )
 
-      Retraction.for(post, local_luke).defer_dispatch(local_luke)
+      retraction.defer_dispatch(local_luke)
     end
 
     it "adds service metadata to queued job for deletion" do
@@ -66,47 +80,38 @@ describe Retraction do
       facebook = Services::Facebook.new(access_token: "facebook")
       alice.services << twitter << facebook
 
-      federation_retraction = Diaspora::Federation::Entities.signed_retraction(post, alice)
+      retraction = Retraction.for(post)
+      federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
       expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-        alice.id, federation_retraction.to_h, [], service_types: ["Services::Twitter"], tweet_id: "123"
+        alice.id, "Retraction", federation_retraction.to_h, [], service_types: ["Services::Twitter"], tweet_id: "123"
       )
 
-      Retraction.for(post, alice).defer_dispatch(alice)
+      retraction.defer_dispatch(alice)
     end
 
     it "queues also a job if subscribers is empty" do
-      federation_retraction = Diaspora::Federation::Entities.signed_retraction(post, alice)
+      retraction = Retraction.for(post)
+      federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
       expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-        alice.id, federation_retraction.to_h, [], service_types: []
+        alice.id, "Retraction", federation_retraction.to_h, [], service_types: []
       )
 
-      Retraction.for(post, alice).defer_dispatch(alice)
+      retraction.defer_dispatch(alice)
     end
 
     it "queues a job with empty opts for non-StatusMessage" do
       post = local_luke.post(:status_message, text: "hello", public: true)
       comment = local_luke.comment!(post, "destroy!")
-      federation_retraction = Diaspora::Federation::Entities.relayable_retraction(comment, local_luke)
+      retraction = Retraction.for(comment)
+      federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
       expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-        local_luke.id, federation_retraction.to_h, [remote_raphael.id], {}
+        local_luke.id, "Retraction", federation_retraction.to_h, [remote_raphael.id], {}
       )
 
-      Retraction.for(comment, local_luke).defer_dispatch(local_luke)
-    end
-
-    it "uses the author of the target parent as sender for a comment-retraction if the parent is local" do
-      post = local_luke.post(:status_message, text: "hello", public: true)
-      comment = local_leia.comment!(post, "destroy!")
-      federation_retraction = Diaspora::Federation::Entities.relayable_retraction(comment, local_leia)
-
-      expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-        local_luke.id, federation_retraction.to_h, [remote_raphael.id], {}
-      )
-
-      Retraction.for(comment, local_leia).defer_dispatch(local_leia)
+      retraction.defer_dispatch(local_luke)
     end
 
     context "relayable" do
@@ -114,23 +119,25 @@ describe Retraction do
       let(:comment) { FactoryGirl.create(:comment, post: post, author: remote_raphael) }
 
       it "sends retraction to target author if deleted by parent author" do
-        federation_retraction = Diaspora::Federation::Entities.relayable_retraction(comment, local_luke)
+        retraction = Retraction.for(comment)
+        federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
         expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-          local_luke.id, federation_retraction.to_h, [remote_raphael.id], {}
+          local_luke.id, "Retraction", federation_retraction.to_h, [remote_raphael.id], {}
         )
 
-        Retraction.for(comment, local_luke).defer_dispatch(local_luke)
+        retraction.defer_dispatch(local_luke)
       end
 
       it "don't sends retraction back to target author if relayed by parent author" do
-        federation_retraction = Diaspora::Federation::Entities.relayable_retraction(comment, local_luke)
+        retraction = Retraction.for(comment)
+        federation_retraction = Diaspora::Federation::Entities.retraction(retraction)
 
         expect(Workers::DeferredRetraction).to receive(:perform_async).with(
-          local_luke.id, federation_retraction.to_h, [], {}
+          local_luke.id, "Retraction", federation_retraction.to_h, [], {}
         )
 
-        Retraction.for(comment, local_luke).defer_dispatch(local_luke, false)
+        retraction.defer_dispatch(local_luke, false)
       end
     end
   end
@@ -138,29 +145,29 @@ describe Retraction do
   describe "#perform" do
     it "destroys the target object" do
       expect(post).to receive(:destroy!)
-      Retraction.for(post, alice).perform
+      Retraction.for(post).perform
     end
   end
 
   describe "#public?" do
     it "returns true for a public post" do
-      expect(Retraction.for(post, alice).public?).to be_truthy
+      expect(Retraction.for(post).public?).to be_truthy
     end
 
     it "returns true for a public comment if parent post is local" do
       comment = bob.comment!(post, "destroy!")
-      expect(Retraction.for(comment, bob).public?).to be_truthy
+      expect(Retraction.for(comment).public?).to be_truthy
     end
 
-    it "returns false for a public comment if parent post is not local" do
-      remote_post = FactoryGirl.create(:status_message, author: remote_raphael)
+    it "returns true for a public comment if parent post is not local" do
+      remote_post = FactoryGirl.create(:status_message, author: remote_raphael, public: true)
       comment = alice.comment!(remote_post, "destroy!")
-      expect(Retraction.for(comment, alice).public?).to be_falsey
+      expect(Retraction.for(comment).public?).to be_truthy
     end
 
     it "returns false for a private target" do
       private_post = alice.post(:status_message, text: "destroy!", to: alice.aspects.first.id)
-      expect(Retraction.for(private_post, alice).public?).to be_falsey
+      expect(Retraction.for(private_post).public?).to be_falsey
     end
   end
 end
diff --git a/spec/lib/diaspora/federation/dispatcher/private_spec.rb b/spec/lib/diaspora/federation/dispatcher/private_spec.rb
index 9f20ece51..b1fd867a6 100644
--- a/spec/lib/diaspora/federation/dispatcher/private_spec.rb
+++ b/spec/lib/diaspora/federation/dispatcher/private_spec.rb
@@ -28,18 +28,29 @@ describe Diaspora::Federation::Dispatcher::Private do
     end
 
     context "deliver to remote user" do
-      let(:xml) { "<diaspora/>" }
+      let(:encryption_key) { double }
+      let(:magic_env) { double }
+      let(:magic_env_xml) { double }
+      let(:json) { "{\"aes_key\": \"...\", \"encrypted_magic_envelope\": \"...\"}" }
+
       it "queues a private send job" do
         expect(Workers::SendPrivate).to receive(:perform_async) do |user_id, _entity_string, targets|
           expect(user_id).to eq(alice.id)
           expect(targets.size).to eq(1)
           expect(targets).to have_key(remote_raphael.receive_url)
-          expect(targets[remote_raphael.receive_url]).to eq(xml)
+          expect(targets[remote_raphael.receive_url]).to eq(json)
         end
 
-        salmon = double
-        expect(DiasporaFederation::Salmon::EncryptedSlap).to receive(:prepare).and_return(salmon)
-        expect(salmon).to receive(:generate_xml).and_return(xml)
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
+        expect(DiasporaFederation::Salmon::EncryptedMagicEnvelope).to receive(:encrypt) do |magic_env, public_key|
+          expect(magic_env).to eq(magic_env_xml)
+          expect(public_key.to_s).to eq(remote_raphael.public_key.to_s)
+          json
+        end
 
         Diaspora::Federation::Dispatcher.build(alice, post).dispatch
       end
@@ -60,12 +71,19 @@ describe Diaspora::Federation::Dispatcher::Private do
           expect(user_id).to eq(alice.id)
           expect(targets.size).to eq(1)
           expect(targets).to have_key(remote_person.receive_url)
-          expect(targets[remote_person.receive_url]).to eq(xml)
+          expect(targets[remote_person.receive_url]).to eq(json)
         end
 
-        salmon = double
-        expect(DiasporaFederation::Salmon::EncryptedSlap).to receive(:prepare).and_return(salmon)
-        expect(salmon).to receive(:generate_xml).and_return(xml)
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
+        expect(DiasporaFederation::Salmon::EncryptedMagicEnvelope).to receive(:encrypt) do |magic_env, public_key|
+          expect(magic_env).to eq(magic_env_xml)
+          expect(public_key.to_s).to eq(remote_raphael.public_key.to_s)
+          json
+        end
 
         Diaspora::Federation::Dispatcher.build(alice, post, subscribers: [remote_person]).dispatch
       end
@@ -79,12 +97,19 @@ describe Diaspora::Federation::Dispatcher::Private do
           expect(user_id).to eq(alice.id)
           expect(targets.size).to eq(1)
           expect(targets).to have_key(remote_person.receive_url)
-          expect(targets[remote_person.receive_url]).to eq(xml)
+          expect(targets[remote_person.receive_url]).to eq(json)
         end
 
-        salmon = double
-        expect(DiasporaFederation::Salmon::EncryptedSlap).to receive(:prepare).and_return(salmon)
-        expect(salmon).to receive(:generate_xml).and_return(xml)
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
+        expect(DiasporaFederation::Salmon::EncryptedMagicEnvelope).to receive(:encrypt) do |magic_env, public_key|
+          expect(magic_env).to eq(magic_env_xml)
+          expect(public_key.to_s).to eq(remote_raphael.public_key.to_s)
+          json
+        end
 
         Diaspora::Federation::Dispatcher.build(alice, post, subscribers: [remote_person, offline_person]).dispatch
       end
diff --git a/spec/lib/diaspora/federation/dispatcher/public_spec.rb b/spec/lib/diaspora/federation/dispatcher/public_spec.rb
index bb5bac652..f893c7a57 100644
--- a/spec/lib/diaspora/federation/dispatcher/public_spec.rb
+++ b/spec/lib/diaspora/federation/dispatcher/public_spec.rb
@@ -48,7 +48,9 @@ describe Diaspora::Federation::Dispatcher::Public do
     end
 
     context "deliver to remote user" do
-      let(:salmon_xml) { "<diaspora/>" }
+      let(:encryption_key) { double }
+      let(:magic_env) { double }
+      let(:magic_env_xml) { double(to_xml: "<diaspora/>") }
 
       it "queues a public send job" do
         alice.share_with(remote_raphael, alice.aspects.first)
@@ -57,10 +59,14 @@ describe Diaspora::Federation::Dispatcher::Public do
           expect(user_id).to eq(alice.id)
           expect(urls.size).to eq(1)
           expect(urls[0]).to eq(remote_raphael.pod.url_to("/receive/public"))
-          expect(xml).to eq(salmon_xml)
+          expect(xml).to eq(magic_env_xml.to_xml)
         end
 
-        expect(DiasporaFederation::Salmon::Slap).to receive(:generate_xml).and_return(salmon_xml)
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
 
         Diaspora::Federation::Dispatcher.build(alice, post).dispatch
       end
@@ -76,11 +82,14 @@ describe Diaspora::Federation::Dispatcher::Public do
           expect(user_id).to eq(alice.id)
           expect(urls.size).to eq(1)
           expect(urls[0]).to eq(remote_raphael.pod.url_to("/receive/public"))
-          expect(xml).to eq(salmon_xml)
+          expect(xml).to eq(magic_env_xml.to_xml)
         end
 
-        expect(DiasporaFederation::Salmon::Slap).to receive(:generate_xml).and_return(salmon_xml)
-
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
         Diaspora::Federation::Dispatcher.build(alice, post, subscribers: [remote_raphael]).dispatch
       end
 
@@ -92,10 +101,14 @@ describe Diaspora::Federation::Dispatcher::Public do
           expect(user_id).to eq(alice.id)
           expect(urls.size).to eq(1)
           expect(urls[0]).to eq(remote_raphael.pod.url_to("/receive/public"))
-          expect(xml).to eq(salmon_xml)
+          expect(xml).to eq(magic_env_xml.to_xml)
         end
 
-        expect(DiasporaFederation::Salmon::Slap).to receive(:generate_xml).and_return(salmon_xml)
+        expect(alice).to receive(:encryption_key).and_return(encryption_key)
+        expect(DiasporaFederation::Salmon::MagicEnvelope).to receive(:new).with(
+          instance_of(DiasporaFederation::Entities::StatusMessage), alice.diaspora_handle
+        ).and_return(magic_env)
+        expect(magic_env).to receive(:envelop).with(encryption_key).and_return(magic_env_xml)
 
         Diaspora::Federation::Dispatcher.build(alice, post, subscribers: [remote_raphael, offline_person]).dispatch
       end
diff --git a/spec/lib/diaspora/federation/entities_spec.rb b/spec/lib/diaspora/federation/entities_spec.rb
index 671cbd562..3a1e680f4 100644
--- a/spec/lib/diaspora/federation/entities_spec.rb
+++ b/spec/lib/diaspora/federation/entities_spec.rb
@@ -18,8 +18,7 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.post.guid)
       expect(federation_entity.text).to eq(diaspora_entity.text)
       expect(federation_entity.author_signature).to be_nil
-      expect(federation_entity.xml_order).to be_nil
-      expect(federation_entity.additional_xml_elements).to be_empty
+      expect(federation_entity.additional_data).to be_empty
     end
 
     it "builds a comment with signature" do
@@ -32,17 +31,19 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.post.guid)
       expect(federation_entity.text).to eq(diaspora_entity.text)
       expect(federation_entity.author_signature).to eq(diaspora_entity.signature.author_signature)
-      expect(federation_entity.xml_order).to eq(diaspora_entity.signature.signature_order.order.split)
-      expect(federation_entity.additional_xml_elements).to eq(diaspora_entity.signature.additional_data)
+      expect(federation_entity.signature_order.map(&:to_s)).to eq(diaspora_entity.signature.signature_order.order.split)
+      expect(federation_entity.additional_data).to eq(diaspora_entity.signature.additional_data)
     end
 
-    it "builds a contact (request)" do
-      diaspora_entity = FactoryGirl.build(:contact)
+    it "builds a contact" do
+      diaspora_entity = FactoryGirl.build(:contact, receiving: true)
       federation_entity = described_class.build(diaspora_entity)
 
-      expect(federation_entity).to be_instance_of(DiasporaFederation::Entities::Request)
+      expect(federation_entity).to be_instance_of(DiasporaFederation::Entities::Contact)
       expect(federation_entity.author).to eq(diaspora_entity.user.diaspora_handle)
       expect(federation_entity.recipient).to eq(diaspora_entity.person.diaspora_handle)
+      expect(federation_entity.sharing).to be_truthy
+      expect(federation_entity.following).to be_truthy
     end
 
     context "Conversation" do
@@ -85,8 +86,7 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.target.guid)
       expect(federation_entity.positive).to eq(diaspora_entity.positive)
       expect(federation_entity.author_signature).to be_nil
-      expect(federation_entity.xml_order).to be_nil
-      expect(federation_entity.additional_xml_elements).to be_empty
+      expect(federation_entity.additional_data).to be_empty
     end
 
     it "builds a like with signature" do
@@ -99,12 +99,12 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.target.guid)
       expect(federation_entity.positive).to eq(diaspora_entity.positive)
       expect(federation_entity.author_signature).to eq(diaspora_entity.signature.author_signature)
-      expect(federation_entity.xml_order).to eq(diaspora_entity.signature.signature_order.order.split)
-      expect(federation_entity.additional_xml_elements).to eq(diaspora_entity.signature.additional_data)
+      expect(federation_entity.signature_order.map(&:to_s)).to eq(diaspora_entity.signature.signature_order.order.split)
+      expect(federation_entity.additional_data).to eq(diaspora_entity.signature.additional_data)
     end
 
     it "builds a message" do
-      diaspora_entity = FactoryGirl.create(:message, author_signature: "abc")
+      diaspora_entity = FactoryGirl.create(:message)
       federation_entity = described_class.build(diaspora_entity)
 
       expect(federation_entity).to be_instance_of(DiasporaFederation::Entities::Message)
@@ -113,7 +113,6 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.conversation_guid).to eq(diaspora_entity.conversation.guid)
       expect(federation_entity.text).to eq(diaspora_entity.text)
       expect(federation_entity.created_at).to eq(diaspora_entity.created_at)
-      expect(federation_entity.author_signature).to eq(diaspora_entity.author_signature)
     end
 
     it "builds a participation" do
@@ -153,8 +152,7 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.poll_answer.poll.guid)
       expect(federation_entity.poll_answer_guid).to eq(diaspora_entity.poll_answer.guid)
       expect(federation_entity.author_signature).to be_nil
-      expect(federation_entity.xml_order).to be_nil
-      expect(federation_entity.additional_xml_elements).to be_empty
+      expect(federation_entity.additional_data).to be_empty
     end
 
     it "builds a poll participation with signature" do
@@ -168,8 +166,8 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.parent_guid).to eq(diaspora_entity.poll_answer.poll.guid)
       expect(federation_entity.poll_answer_guid).to eq(diaspora_entity.poll_answer.guid)
       expect(federation_entity.author_signature).to eq(signature.author_signature)
-      expect(federation_entity.xml_order).to eq(signature.signature_order.order.split)
-      expect(federation_entity.additional_xml_elements).to eq(signature.additional_data)
+      expect(federation_entity.signature_order.map(&:to_s)).to eq(signature.signature_order.order.split)
+      expect(federation_entity.additional_data).to eq(signature.additional_data)
     end
 
     it "builds a profile" do
@@ -206,6 +204,31 @@ describe Diaspora::Federation::Entities do
       expect(federation_entity.provider_display_name).to eq(diaspora_entity.provider_display_name)
     end
 
+    context "Retraction" do
+      it "builds a Retraction entity for a Photo retraction" do
+        target = FactoryGirl.create(:photo, author: alice.person)
+        retraction = Retraction.for(target)
+        federation_entity = described_class.build(retraction)
+
+        expect(federation_entity).to be_instance_of(DiasporaFederation::Entities::Retraction)
+        expect(federation_entity.author).to eq(target.author.diaspora_handle)
+        expect(federation_entity.target_guid).to eq(target.guid)
+        expect(federation_entity.target_type).to eq("Photo")
+      end
+
+      it "builds a Contact for a Contact retraction" do
+        target = FactoryGirl.create(:contact, receiving: false)
+        retraction = ContactRetraction.for(target)
+        federation_entity = described_class.build(retraction)
+
+        expect(federation_entity).to be_instance_of(DiasporaFederation::Entities::Contact)
+        expect(federation_entity.author).to eq(target.user.diaspora_handle)
+        expect(federation_entity.recipient).to eq(target.person.diaspora_handle)
+        expect(federation_entity.sharing).to be_falsey
+        expect(federation_entity.following).to be_falsey
+      end
+    end
+
     context "StatusMessage" do
       it "builds a status message" do
         diaspora_entity = FactoryGirl.create(:status_message)
@@ -274,89 +297,4 @@ describe Diaspora::Federation::Entities do
       end
     end
   end
-
-  describe ".build_retraction" do
-    context "Retraction" do
-      it "builds a Retraction for a Photo" do
-        target = FactoryGirl.create(:photo, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::Retraction)
-        expect(federation_retraction.author).to eq(target.author.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("Photo")
-      end
-
-      it "builds a Retraction for a Contact" do
-        target = FactoryGirl.create(:contact)
-        retraction = Retraction.for(target, target.user)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::Retraction)
-        expect(federation_retraction.author).to eq(target.user.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.user.guid)
-        expect(federation_retraction.target_type).to eq("Person")
-      end
-    end
-
-    context "SignedRetraction" do
-      it "builds a SignedRetraction for a StatusMessage" do
-        target = FactoryGirl.create(:status_message, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::SignedRetraction)
-        expect(federation_retraction.author).to eq(target.author.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("Post")
-      end
-
-      it "builds a SignedRetraction for a Reshare" do
-        target = FactoryGirl.create(:reshare, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::SignedRetraction)
-        expect(federation_retraction.author).to eq(target.author.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("Post")
-      end
-    end
-
-    context "RelayableRetraction" do
-      it "builds a RelayableRetraction for a Comment" do
-        target = FactoryGirl.create(:comment, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::RelayableRetraction)
-        expect(federation_retraction.author).to eq(alice.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("Comment")
-      end
-
-      it "builds a RelayableRetraction for a Like" do
-        target = FactoryGirl.create(:like, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::RelayableRetraction)
-        expect(federation_retraction.author).to eq(alice.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("Like")
-      end
-
-      it "builds a RelayableRetraction for a PollParticipation" do
-        target = FactoryGirl.create(:poll_participation, author: alice.person)
-        retraction = Retraction.for(target, alice)
-        federation_retraction = described_class.build_retraction(retraction)
-
-        expect(federation_retraction).to be_instance_of(DiasporaFederation::Entities::RelayableRetraction)
-        expect(federation_retraction.author).to eq(alice.diaspora_handle)
-        expect(federation_retraction.target_guid).to eq(target.guid)
-        expect(federation_retraction.target_type).to eq("PollParticipation")
-      end
-    end
-  end
 end
diff --git a/spec/lib/diaspora/federation/receive_spec.rb b/spec/lib/diaspora/federation/receive_spec.rb
index c31f6332d..fd943b06d 100644
--- a/spec/lib/diaspora/federation/receive_spec.rb
+++ b/spec/lib/diaspora/federation/receive_spec.rb
@@ -3,7 +3,7 @@ describe Diaspora::Federation::Receive do
   let(:post) { FactoryGirl.create(:status_message, text: "hello", public: true, author: alice.person) }
 
   describe ".account_deletion" do
-    let(:account_deletion_entity) { FactoryGirl.build(:account_deletion_entity, author: sender.diaspora_handle) }
+    let(:account_deletion_entity) { Fabricate(:account_deletion_entity, author: sender.diaspora_handle) }
 
     it "saves the account deletion" do
       Diaspora::Federation::Receive.account_deletion(account_deletion_entity)
@@ -55,7 +55,7 @@ describe Diaspora::Federation::Receive do
       expect(comment.signature).not_to be_nil
       expect(comment.signature.author_signature).to eq("aa")
       expect(comment.signature.additional_data).to eq("new_property" => "data")
-      expect(comment.signature.order).to eq(comment_entity.xml_order.map(&:to_s))
+      expect(comment.signature.order).to eq(comment_entity.signature_order.map(&:to_s))
     end
 
     let(:entity) { comment_entity }
@@ -66,7 +66,7 @@ describe Diaspora::Federation::Receive do
 
   describe ".contact" do
     let(:contact_entity) {
-      FactoryGirl.build(:contact_entity, author: sender.diaspora_handle, recipient: alice.diaspora_handle)
+      Fabricate(:contact_entity, author: sender.diaspora_handle, recipient: alice.diaspora_handle)
     }
 
     it "creates the contact if it doesn't exist" do
@@ -99,11 +99,11 @@ describe Diaspora::Federation::Receive do
 
     context "sharing=false" do
       let(:unshare_contact_entity) {
-        FactoryGirl.build(
+        Fabricate(
           :contact_entity,
           author:    sender.diaspora_handle,
           recipient: alice.diaspora_handle,
-          sharing:   "false"
+          sharing:   false
         )
       }
 
@@ -128,9 +128,9 @@ describe Diaspora::Federation::Receive do
   end
 
   describe ".conversation" do
-    let(:conv_guid) { FactoryGirl.generate(:guid) }
+    let(:conv_guid) { Fabricate.sequence(:guid) }
     let(:message_entity) {
-      FactoryGirl.build(
+      Fabricate(
         :message_entity,
         author:            alice.diaspora_handle,
         parent_guid:       conv_guid,
@@ -138,7 +138,7 @@ describe Diaspora::Federation::Receive do
       )
     }
     let(:conversation_entity) {
-      FactoryGirl.build(
+      Fabricate(
         :conversation_entity,
         guid:         conv_guid,
         author:       alice.diaspora_handle,
@@ -183,17 +183,15 @@ describe Diaspora::Federation::Receive do
   end
 
   describe ".like" do
-    let(:like_data) {
-      FactoryGirl.attributes_for(
-        :like_entity,
-        author:           sender.diaspora_handle,
-        parent_guid:      post.guid,
-        author_signature: "aa"
-      )
-    }
     let(:like_entity) {
-      DiasporaFederation::Entities::Like.new(
-        like_data, [:author, :guid, :parent_guid, :parent_type, :positive, "new_property"], "new_property" => "data"
+      build_relayable_federation_entity(
+        :like,
+        {
+          author:           sender.diaspora_handle,
+          parent_guid:      post.guid,
+          author_signature: "aa"
+        },
+        "new_property" => "data"
       )
     }
 
@@ -224,7 +222,7 @@ describe Diaspora::Federation::Receive do
       expect(like.signature).not_to be_nil
       expect(like.signature.author_signature).to eq("aa")
       expect(like.signature.additional_data).to eq("new_property" => "data")
-      expect(like.signature.order).to eq(%w(author guid parent_guid parent_type positive new_property))
+      expect(like.signature.order).to eq(like_entity.signature_order.map(&:to_s))
     end
 
     let(:entity) { like_entity }
@@ -241,7 +239,7 @@ describe Diaspora::Federation::Receive do
       end
     }
     let(:message_entity) {
-      FactoryGirl.build(
+      Fabricate(
         :message_entity,
         author:            sender.diaspora_handle,
         parent_guid:       conversation.guid,
@@ -271,12 +269,11 @@ describe Diaspora::Federation::Receive do
 
     let(:entity) { message_entity }
     it_behaves_like "it ignores existing object received twice", Message
-    it_behaves_like "it relays relayables", Message
   end
 
   describe ".participation" do
     let(:participation_entity) {
-      FactoryGirl.build(:participation_entity, author: sender.diaspora_handle, parent_guid: post.guid)
+      Fabricate(:participation_entity, author: sender.diaspora_handle, parent_guid: post.guid)
     }
 
     it "saves the participation" do
@@ -303,7 +300,7 @@ describe Diaspora::Federation::Receive do
   end
 
   describe ".photo" do
-    let(:photo_entity) { FactoryGirl.build(:photo_entity, author: sender.diaspora_handle) }
+    let(:photo_entity) { Fabricate(:photo_entity, author: sender.diaspora_handle) }
 
     it "saves the photo if it does not already exist" do
       received = Diaspora::Federation::Receive.perform(photo_entity)
@@ -352,19 +349,15 @@ describe Diaspora::Federation::Receive do
 
   describe ".poll_participation" do
     let(:post_with_poll) { FactoryGirl.create(:status_message_with_poll, author: alice.person) }
-    let(:poll_participation_data) {
-      FactoryGirl.attributes_for(
-        :poll_participation_entity,
-        author:           sender.diaspora_handle,
-        parent_guid:      post_with_poll.poll.guid,
-        poll_answer_guid: post_with_poll.poll.poll_answers.first.guid,
-        author_signature: "aa"
-      )
-    }
     let(:poll_participation_entity) {
-      DiasporaFederation::Entities::PollParticipation.new(
-        poll_participation_data,
-        [:author, :guid, :parent_guid, :poll_answer_guid, "new_property"],
+      build_relayable_federation_entity(
+        :poll_participation,
+        {
+          author:           sender.diaspora_handle,
+          parent_guid:      post_with_poll.poll.guid,
+          poll_answer_guid: post_with_poll.poll.poll_answers.first.guid,
+          author_signature: "aa"
+        },
         "new_property" => "data"
       )
     }
@@ -396,7 +389,7 @@ describe Diaspora::Federation::Receive do
       expect(poll_participation.signature).not_to be_nil
       expect(poll_participation.signature.author_signature).to eq("aa")
       expect(poll_participation.signature.additional_data).to eq("new_property" => "data")
-      expect(poll_participation.signature.order).to eq(%w(author guid parent_guid poll_answer_guid new_property))
+      expect(poll_participation.signature.order).to eq(poll_participation_entity.signature_order.map(&:to_s))
     end
 
     let(:entity) { poll_participation_entity }
@@ -406,7 +399,7 @@ describe Diaspora::Federation::Receive do
   end
 
   describe ".profile" do
-    let(:profile_entity) { FactoryGirl.build(:profile_entity, author: sender.diaspora_handle) }
+    let(:profile_entity) { Fabricate(:profile_entity, author: sender.diaspora_handle) }
 
     it "updates the profile of the person" do
       received = Diaspora::Federation::Receive.perform(profile_entity)
@@ -426,7 +419,7 @@ describe Diaspora::Federation::Receive do
   end
 
   describe ".reshare" do
-    let(:reshare_entity) { FactoryGirl.build(:reshare_entity, author: sender.diaspora_handle, root_guid: post.guid) }
+    let(:reshare_entity) { Fabricate(:reshare_entity, author: sender.diaspora_handle, root_guid: post.guid) }
 
     it "saves the reshare" do
       received = Diaspora::Federation::Receive.perform(reshare_entity)
@@ -456,7 +449,7 @@ describe Diaspora::Federation::Receive do
     it "destroys the post" do
       remote_post = FactoryGirl.create(:status_message, author: sender, public: true)
 
-      retraction = FactoryGirl.build(
+      retraction = Fabricate(
         :retraction_entity,
         author:      sender.diaspora_handle,
         target_guid: remote_post.guid,
@@ -471,12 +464,7 @@ describe Diaspora::Federation::Receive do
     end
 
     it "raises when the post does not exist" do
-      retraction = FactoryGirl.build(
-        :retraction_entity,
-        author:      sender.diaspora_handle,
-        target_guid: FactoryGirl.generate(:guid),
-        target_type: "Post"
-      )
+      retraction = Fabricate(:retraction_entity, author: sender.diaspora_handle, target_type: "Post")
 
       expect {
         Diaspora::Federation::Receive.retraction(retraction, nil)
@@ -486,7 +474,7 @@ describe Diaspora::Federation::Receive do
     it "disconnects on Person-Retraction" do
       alice.contacts.find_or_initialize_by(person_id: sender.id, receiving: true, sharing: true).save!
 
-      retraction = FactoryGirl.build(
+      retraction = Fabricate(
         :retraction_entity,
         author:      sender.diaspora_handle,
         target_guid: sender.guid,
@@ -506,16 +494,16 @@ describe Diaspora::Federation::Receive do
         local_post = FactoryGirl.create(:status_message, author: alice.person, public: true)
         remote_comment = FactoryGirl.create(:comment, author: sender, post: local_post)
 
-        retraction = FactoryGirl.build(
+        retraction = Fabricate(
           :retraction_entity,
           author:      sender.diaspora_handle,
           target_guid: remote_comment.guid,
           target_type: "Comment"
         )
 
-        comment_retraction = Retraction.for(remote_comment, alice)
+        comment_retraction = Retraction.for(remote_comment)
 
-        expect(Retraction).to receive(:for).with(instance_of(Comment), alice).and_return(comment_retraction)
+        expect(Retraction).to receive(:for).with(instance_of(Comment)).and_return(comment_retraction)
         expect(comment_retraction).to receive(:defer_dispatch).with(alice, false)
         expect(comment_retraction).to receive(:perform).and_call_original
         expect_any_instance_of(Comment).to receive(:destroy!).and_call_original
@@ -529,7 +517,7 @@ describe Diaspora::Federation::Receive do
         remote_post = FactoryGirl.create(:status_message, author: sender, public: true)
         remote_comment = FactoryGirl.create(:comment, author: sender, post: remote_post)
 
-        retraction = FactoryGirl.build(
+        retraction = Fabricate(
           :retraction_entity,
           author:      sender.diaspora_handle,
           target_guid: remote_comment.guid,
@@ -547,7 +535,7 @@ describe Diaspora::Federation::Receive do
 
   describe ".status_message" do
     context "basic status message" do
-      let(:status_message_entity) { FactoryGirl.build(:status_message_entity, author: sender.diaspora_handle) }
+      let(:status_message_entity) { Fabricate(:status_message_entity, author: sender.diaspora_handle) }
 
       it "saves the status message" do
         received = Diaspora::Federation::Receive.perform(status_message_entity)
@@ -583,7 +571,7 @@ describe Diaspora::Federation::Receive do
       end
 
       it "finds the correct author if the author is not lowercase" do
-        status_message_entity = FactoryGirl.build(:status_message_entity, author: sender.diaspora_handle.upcase)
+        status_message_entity = Fabricate(:status_message_entity, author: sender.diaspora_handle.upcase)
 
         received = Diaspora::Federation::Receive.perform(status_message_entity)
 
@@ -595,9 +583,9 @@ describe Diaspora::Federation::Receive do
     end
 
     context "with poll" do
-      let(:poll_entity) { FactoryGirl.build(:poll_entity) }
+      let(:poll_entity) { Fabricate(:poll_entity) }
       let(:status_message_entity) {
-        FactoryGirl.build(:status_message_entity, author: sender.diaspora_handle, poll: poll_entity)
+        Fabricate(:status_message_entity, author: sender.diaspora_handle, poll: poll_entity)
       }
 
       it "saves the status message" do
@@ -616,9 +604,9 @@ describe Diaspora::Federation::Receive do
     end
 
     context "with location" do
-      let(:location_entity) { FactoryGirl.build(:location_entity) }
+      let(:location_entity) { Fabricate(:location_entity) }
       let(:status_message_entity) {
-        FactoryGirl.build(:status_message_entity, author: sender.diaspora_handle, location: location_entity)
+        Fabricate(:status_message_entity, author: sender.diaspora_handle, location: location_entity)
       }
 
       it "saves the status message" do
@@ -636,15 +624,15 @@ describe Diaspora::Federation::Receive do
     end
 
     context "with photos" do
-      let(:status_message_guid) { FactoryGirl.generate(:guid) }
+      let(:status_message_guid) { Fabricate.sequence(:guid) }
       let(:photo1) {
-        FactoryGirl.build(:photo_entity, author: sender.diaspora_handle, status_message_guid: status_message_guid)
+        Fabricate(:photo_entity, author: sender.diaspora_handle, status_message_guid: status_message_guid)
       }
       let(:photo2) {
-        FactoryGirl.build(:photo_entity, author: sender.diaspora_handle, status_message_guid: status_message_guid)
+        Fabricate(:photo_entity, author: sender.diaspora_handle, status_message_guid: status_message_guid)
       }
       let(:status_message_entity) {
-        FactoryGirl.build(
+        Fabricate(
           :status_message_entity,
           author: sender.diaspora_handle,
           guid:   status_message_guid,
diff --git a/spec/models/api/openid_connect/id_token_spec.rb b/spec/models/api/openid_connect/id_token_spec.rb
index 7c85c3cb4..154bbd90f 100644
--- a/spec/models/api/openid_connect/id_token_spec.rb
+++ b/spec/models/api/openid_connect/id_token_spec.rb
@@ -7,19 +7,13 @@ describe Api::OpenidConnect::IdToken, type: :model do
       let(:decoded_hash) {
         JSON::JWT.decode(id_token.to_jwt, Api::OpenidConnect::IdTokenConfig::PRIVATE_KEY)
       }
-      let(:discovery_controller) {
-        Api::OpenidConnect::DiscoveryController.new.tap {|controller|
-          controller.request = ActionController::TestRequest.new
-          controller.request.host = AppConfig.pod_uri.authority
-          controller.response = ActionController::TestResponse.new
-        }
-      }
-      let(:openid_webfinger) {
-        JSON.parse(discovery_controller.webfinger[0])
+      let(:webfinger) {
+        DiasporaFederation.callbacks.trigger(:fetch_person_for_webfinger, alice.diaspora_handle).to_json
       }
 
       it "issuer value must much the one we provided in OpenID discovery routine" do
-        expect(decoded_hash["iss"]).to eq(openid_webfinger["links"][0]["href"])
+        openid_issuer = webfinger[:links].find {|l| l[:rel] == OpenIDConnect::Discovery::Provider::Issuer::REL_VALUE }
+        expect(decoded_hash["iss"]).to eq(openid_issuer[:href])
       end
     end
   end
diff --git a/spec/models/message_spec.rb b/spec/models/message_spec.rb
index 051b384ce..e2588a502 100644
--- a/spec/models/message_spec.rb
+++ b/spec/models/message_spec.rb
@@ -39,11 +39,6 @@ describe Message, type: :model do
       message = Message.create(author: local_luke.person, text: "yo", conversation: remote_conv)
       expect(message.subscribers).to match_array([local_luke.person, local_leia.person, remote_raphael])
     end
-
-    it "returns only remote participants, if the conversation is local, but the author is remote" do
-      message = Message.create(author: remote_raphael, text: "yo", conversation: local_conv)
-      expect(message.subscribers).to match_array([remote_raphael])
-    end
   end
 
   describe "#increase_unread" do
diff --git a/spec/models/notifications/private_message_spec.rb b/spec/models/notifications/private_message_spec.rb
index 4ab3b0d79..327312ff6 100644
--- a/spec/models/notifications/private_message_spec.rb
+++ b/spec/models/notifications/private_message_spec.rb
@@ -4,7 +4,7 @@
 
 describe Notifications::PrivateMessage, type: :model do
   let(:conversation) {
-    conv_guid = FactoryGirl.generate(:guid)
+    conv_guid = Fabricate.sequence(:guid)
 
     Conversation.create(
       guid:                conv_guid,
diff --git a/spec/models/user/connecting_spec.rb b/spec/models/user/connecting_spec.rb
index 455ce2143..40ef55ce6 100644
--- a/spec/models/user/connecting_spec.rb
+++ b/spec/models/user/connecting_spec.rb
@@ -87,6 +87,7 @@ describe User::Connecting, type: :model do
         contact = local_leia.contact_for(remote_raphael)
         retraction = double
 
+        expect(contact).to receive(:receiving=).with(false)
         expect(Retraction).to receive(:for).with(contact).and_return(retraction)
         expect(retraction).to receive(:defer_dispatch).with(local_leia)
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index f12f0390c..719129c78 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -778,7 +778,7 @@ describe User, :type => :model do
 
     context "posts" do
       it "sends a retraction" do
-        expect(Retraction).to receive(:for).with(post, bob).and_return(retraction)
+        expect(Retraction).to receive(:for).with(post).and_return(retraction)
         expect(retraction).to receive(:defer_dispatch).with(bob)
         expect(retraction).to receive(:perform)
 
diff --git a/spec/shared_behaviors/dispatcher.rb b/spec/shared_behaviors/dispatcher.rb
index 1d87d8c24..b168465d8 100644
--- a/spec/shared_behaviors/dispatcher.rb
+++ b/spec/shared_behaviors/dispatcher.rb
@@ -17,7 +17,7 @@ shared_examples "a dispatcher" do
         opts = {service_types: "Services::Twitter", tweet_id: "123"}
         expect(Workers::DeletePostFromService).to receive(:perform_async).with(twitter.id, opts)
 
-        retraction = Retraction.for(post, alice)
+        retraction = Retraction.for(post)
         Diaspora::Federation::Dispatcher.build(alice, retraction, opts).dispatch
       end
 
@@ -35,7 +35,7 @@ shared_examples "a dispatcher" do
       it "does not deliver a Retraction of a Comment to services" do
         expect(Workers::DeletePostFromService).not_to receive(:perform_async)
 
-        retraction = Retraction.for(comment, alice)
+        retraction = Retraction.for(comment)
         Diaspora::Federation::Dispatcher.build(alice, retraction).dispatch
       end
     end