graph-store: cleaned up structures

pkg/arvo/app/graph-store.hoon

@@ -5,7 +5,6 @@
   $%  state-0
   ==
 +$  state-0  [%0 network:store]
-++  ordered-graph  ((ordered-map ,time ,node:store) gth)
 --
 ::
 =|  state-0

pkg/arvo/sur/graph-store.hoon

@@ -1,23 +1,35 @@
 /-  *post
 |%
+++  mop
+  |*  [key=mold value=mold]
+  |=  ord=$-([key key] ?)
+  |=  a=*
+  =/  b  ;;((tree [key=key val=value]) a)
+  ?>  (check-balance:((ordered-map key value) ord) b)
+  b
+::
 +$  network
   $:  graphs=(map resource graph)
       tags=(set term)
       tag-queries=(map term resources)
   ==
 ::
-+$  internal-graph  (tree [key=time val=node])
-+$  graph
-  $~  [%empty ~]
-  $%  [%graph u=internal-graph]
-      [%empty ~]
++$  graph  ((mop atom node) lte)
++$  internal-graph
+  $~  [%not-loaded ~]
+  $%  ::
+      ::  a graph and timestamp of when it was last modified
+      [%graph p=graph q=time]
+      [%empty-when-fetched p=time]
+      [%not-loaded ~]
   ==
-+$  node   [=post replies=graph]
+::
++$  node   [=post children=internal-graph]
 +$  action
   $%  [%add-graph =resource =graph]
       [%remove-graph =resource]
     ::
-      [%add-nodes uids=(set [=uid =node])]
+      [%add-nodes nodes=(map uid node)]
       [%remove-nodes uids=(set uid)]
     ::
       [%add-signatures =uid =signatures]

pkg/arvo/sur/post.hoon

@@ -0,0 +1,26 @@
+/-  *resource
+|%
++$  atom        @
++$  index       (list atom)
++$  uid         [=resource =index]
+::
++$  hash        @ux
++$  signature   @ux
++$  signatures  (set signature)
++$  post
+  $:  author=ship
+      =hash
+      =index
+      contents=(list content)
+      signatures=[p=signatures q=hash]
+      time-sent=time
+  ==
+::
++$  content
+  $%  [%text =cord]
+      [%url =cord]
+      [%code expression=cord output=(list tank)]
+      [%reference =uid]
+      ::  [%cage =cage]
+  ==
+--

pkg/arvo/sur/resource.hoon

@@ -0,0 +1,10 @@
+|%
++$  resource   [=entity =term]
++$  resources  (set resource)
+::
++$  entity
+  $@  ship
+  $%  [%ships ships=(set ship)]
+      ::  [%ring ...]
+  ==
+--