add encrypted Storage component

test/index.html

@@ -10,14 +10,15 @@
     <div id="mocha"></div>
     <script src="../node_modules/mocha/mocha.js"></script>
     <script src="../node_modules/chai/chai.js"></script>
+    <script src="../lib/crypto-js/rollups/aes.js"></script>
     <script>mocha.setup('bdd')</script>
     <script src="../lib/bitcore.js"></script> 
     <script src="../js/copayBundle.js"></script>
     <script>
-
-    var copay = require('copay');
+      var copay = require('copay');
     </script>
     <script src="test.storage-plain.js"></script>
+    <script src="test.storage-encrypted.js"></script>
     <script src="test.Wallet.js"></script>
     <script src="test.PublicKeyRing.js"></script>
     <!--

test/test.storage-encrypted.js

@@ -0,0 +1,49 @@
+'use strict';
+
+if (typeof process === 'undefined' || !process.version) {
+  // browser
+  var chai = chai || require('chai');
+  var should = chai.should();
+  var copay = copay || require('../copay');
+  var Encrypted = copay.StorageEncrypted;
+
+  describe('Storage/Encrypted model', function() {
+    var wid = 'fake-wallet-id';
+    var s = new Encrypted();
+    s._setPassphrase('mysupercoolpassword');
+
+    it('should create an instance', function() {
+      var s = new Encrypted();
+      should.exist(s);
+    });
+    it.skip('should fail when encrypting without a password', function() {
+      var s = new Encrypted();
+      (function(){s.set(wid, 'x', 1);}).should.throw();
+    });
+    it('should be able to encrypt and decrypt', function() {
+      s._write('key', 'value');
+      s._read('key').should.equal('value');
+    });
+    it('should be able to set a value', function() {
+      s.set(wid, 'x', 1);
+    });
+    var getSetData = [
+      1,1000,-15, -1000,
+      0.1, -0.5, -0.5e-10, Math.PI,
+      'hi', 'auydoaiusyodaisudyoa', '0b5b8556a0c2ce828c9ccfa58b3dd0a1ae879b9b',
+      '1CjPR7Z5ZSyWk6WtXvSFgkptmpoi4UM9BC', 'OP_DUP OP_HASH160 80ad90d4035',
+      [1,2,3,4,5,6],
+      { x: 1, y: 2},
+      { x: 'hi', y: null},
+      { a: {}, b: [], c: [1,2,'hi']},
+      null
+    ];
+    getSetData.forEach(function(obj) {
+      it('should be able to set a value and get it for '+JSON.stringify(obj), function() {
+        s.set(wid, 'x', obj);
+        var obj2 = s.get(wid, 'x');
+        JSON.stringify(obj2).should.equal(JSON.stringify(obj));
+      });
+    });
+  });
+}