graph-store: restore @ud encoding

pkg/arvo/app/graph-store.hoon

@@ -513,7 +513,7 @@
     =/  =ship  (slav %p i.t.t.path)
     =/  =term  i.t.t.t.path
     =/  =index:store
-      (turn t.t.t.t.path |=(=cord (rash cord dem:ag)))
+      (turn t.t.t.t.path (cury slav %ud))
     =/  node=(unit node:store)  (get-node ship term index)
     ?~  node  [~ ~]
     :-  ~  :-  ~  :-  %graph-update

pkg/interface/src/logic/api/graph.ts

@@ -4,6 +4,7 @@ import { Patp, Path, PatpNoSig } from '~/types/noun';
 import _ from 'lodash';
 import {makeResource, resourceFromPath} from '../lib/group';
 import {GroupPolicy, Enc, Post, NodeMap} from '~/types';
+import { numToUd } from '~/logic/lib/util';
 
 export const createPost = (contents: Object[], parentIndex: string = '') => {
   return {
@@ -203,9 +204,10 @@ export default class GraphApi extends BaseApi<StoreState> {
   }
 
   getNode(ship: string, resource: string, index: string) {
+    const idx = index.split('/').map(numToUd).join('/');
     return this.scry<any>(
       'graph-store',
-      `/node/${ship}/${resource}${index}`
+      `/node/${ship}/${resource}${idx}`
     ).then((node) => {
       this.store.handleEvent({
         data: node

pkg/interface/src/logic/lib/util.js

@@ -323,3 +323,15 @@ export function scrollIsAtBottom(container) {
   }
 }
 
+/**
+ * Formats a numbers as a `@ud` inserting dot where needed
+ */
+export function numToUd(num) {
+  return _.chain(num.toString())
+    .split('')
+    .reverse()
+    .chunk(3)
+    .reverse()
+    .map(s => s.join('')).join('.')
+    .value();
+}