1 files changed, 13 insertions, 0 deletions
diff --git a/lib/lkn/core/puppeteer.ex b/lib/lkn/core/puppeteer.ex
index 6433b49..f362c4f 100644
--- a/lib/lkn/core/puppeteer.ex
+++ b/lib/lkn/core/puppeteer.ex
@@ -127,6 +127,14 @@ defmodule Lkn.Core.Puppeteer do
                 {:noreply, state}
               end
             end
+            def handle_cast({:instance_digest, instance_key, map, puppets}, state) do
+              if state.instance_key == Lkn.Prelude.Option.some(instance_key) do
+                s2 = instance_digest(state.state, instance_key, map, puppets)
+                {:noreply, %State{state|state: s2}}
+              else
+                {:noreply, state}
+              end
+            end
             def handle_cast({:leave_instance, instance_key}, state) do
               if state.instance_key == Lkn.Prelude.Option.some(instance_key) do
                 s2 = leave_instance(state.state, instance_key)
@@ -184,6 +192,7 @@ defmodule Lkn.Core.Puppeteer do
   @callback puppet_enter(s :: state, instance_key :: Lkn.Core.Instance.k, puppet_key :: Lkn.Core.Puppet.k, digest :: Lkn.Core.Entity.digest) :: state
   @callback puppet_leave(s :: state, instance_key :: Lkn.Core.Instance.k, puppet_key :: Lkn.Core.Puppet.k) :: state
   @callback destroy(puppeteer_key :: k, s :: state, instance_key :: Option.t(Lkn.Core.Instance.k), reason :: any) :: term
+  @callback instance_digest(s :: state, instance_key :: Lkn.Core.Instance, map :: Lkn.Core.Entity.digest, puppets :: Lkn.Core.Entity.digest) :: state
 
   @spec leave_instance(k, Instance.k) :: :ok
   def leave_instance(puppeteer_key, instance_key) do
@@ -195,6 +204,10 @@ defmodule Lkn.Core.Puppeteer do
     GenServer.call(Name.puppeteer(puppeteer_key), {:find_instance, map_key})
   end
 
+  def instance_digest(puppeteer_key, instance_key, map, puppets) do
+    GenServer.cast(Name.puppeteer(puppeteer_key), {:instance_digest, instance_key, map, puppets})
+  end
+
   def puppet_enter(puppeteer_key, instance_key, puppet_key, digest) do
     GenServer.cast(Name.puppeteer(puppeteer_key), {:puppet_enter, instance_key, puppet_key, digest})
   end