Merge pull request #37 from paritytech/wordlist

Use wordlist package.

package.json

@@ -14,6 +14,7 @@
     "commit": "commit-wizard"
   },
   "dependencies": {
+    "@parity/wordlist": "^1.0.1",
     "bignumber.js": "^4.0.0",
     "debounce": "^1.0.0",
     "react": "^15.4.2",

src/util/random.js

-import dictionary from '../../res/words.json'
+import {randomPhrase} from '@parity/wordlist'
 
-// TODO: make it secure!
 export function words () {
-  let buf = Array.apply(null, { length: 11 }).map(Function.call, () => Math.random() * dictionary.length)
-  return buf.map(n => dictionary[Math.floor(n)]).join(' ')
+  return randomPhrase(11)
 }