From 7daf92f37fd3d8fe29635f1ac1682b555ae4219a Mon Sep 17 00:00:00 2001
From: rolong <rolong@vip.qq.com>
Date: Wed, 21 Mar 2018 19:56:20 +0800
Subject: [PATCH] Support importing Mnemonic Phrase in multiple languages

---
 app/scripts/controllers/decryptWalletCtrl.js  | 28 ++++++++++++++++++-
 app/scripts/controllers/tabsCtrl.js           |  8 ++++++
 app/scripts/directives/walletDecryptDrtv.html | 17 +++++++++++
 package.json                                  |  2 +-
 4 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/app/scripts/controllers/decryptWalletCtrl.js b/app/scripts/controllers/decryptWalletCtrl.js
index 344e3c1c87..1878511297 100644
--- a/app/scripts/controllers/decryptWalletCtrl.js
+++ b/app/scripts/controllers/decryptWalletCtrl.js
@@ -164,7 +164,33 @@ var decryptWalletCtrl = function($scope, $sce, walletService) {
     };
     $scope.onMnemonicChange = function() {
         $scope.showAOnly = false;
-        $scope.showMDecrypt = hd.bip39.validateMnemonic($scope.manualmnemonic);
+        var lang = hd.bip39.wordlists.english;
+        switch(globalFuncs.curMnemonicLang){
+            case 'zhcn':
+                lang = hd.bip39.wordlists.chinese_simplified;
+                break
+            case 'zhtw':
+                lang = hd.bip39.wordlists.chinese_traditional;
+                break
+            case 'ja':
+                lang = hd.bip39.wordlists.japanese;
+                break
+            case 'ko':
+                lang = hd.bip39.wordlists.korean;
+                break
+            case 'es':
+                lang = hd.bip39.wordlists.spanish;
+                break
+            case 'it':
+                lang = hd.bip39.wordlists.italian;
+                break
+            case 'fr':
+                lang = hd.bip39.wordlists.french;
+                break
+            default:
+                break
+        }
+        $scope.showMDecrypt = hd.bip39.validateMnemonic($scope.manualmnemonic, lang);
     };
     $scope.onParityPhraseChange = function() {
         if ($scope.parityPhrase) $scope.showParityDecrypt = true;
diff --git a/app/scripts/controllers/tabsCtrl.js b/app/scripts/controllers/tabsCtrl.js
index 3dda789d3d..ece5ccdc14 100644
--- a/app/scripts/controllers/tabsCtrl.js
+++ b/app/scripts/controllers/tabsCtrl.js
@@ -3,6 +3,7 @@ var tabsCtrl = function($scope, globalService, $translate, $sce) {
     $scope.gService = globalService;
     $scope.tabNames = $scope.gService.tabs;
     $scope.curLang = 'English';
+    $scope.curMnemonicLang = 'English';
     $scope.customNodeModal = document.getElementById('customNodeModal') ? new Modal(document.getElementById('customNodeModal')) : null;
     $scope.Validator = Validator;
     $scope.nodeList = nodes.nodeList;
@@ -257,6 +258,13 @@ var tabsCtrl = function($scope, globalService, $translate, $sce) {
         }
     }
 
+    $scope.changeMnemonic = function(key,value) {
+        $scope.curMnemonicLang = value;
+        $scope.dropdownMnemonic = false;
+        globalFuncs.curMnemonicLang = key;
+        $scope.onMnemonicChange();
+    }
+
     $scope.changeLanguage = function(key, value) {
         $translate.use(key);
         $scope.setErrorMsgLanguage();
diff --git a/app/scripts/directives/walletDecryptDrtv.html b/app/scripts/directives/walletDecryptDrtv.html
index c1454a351d..1bbef51b14 100644
--- a/app/scripts/directives/walletDecryptDrtv.html
+++ b/app/scripts/directives/walletDecryptDrtv.html
@@ -547,6 +547,23 @@ <h5>
         If you must, please <u>double-check the URL &amp; SSL cert</u>. It should say <code>https://www.myetherwallet.com</code> &amp; <code>MYETHERWALLET LLC</code> in your URL bar.
       </div>
       <br />
+      <div class="form-group">
+          <span class="dropdown dropdown-lang" ng-cloak ng-controller='tabsCtrl'>
+              <span>Select your mnemonic phrase language:</span>
+              <br />
+              <a tabindex="0"  aria-haspopup="true" aria-expanded="false" aria-label="change language. current language {{curMnemonicLang}}" class="dropdown-toggle  btn btn-white" ng-click="dropdownMnemonic = !dropdownMnemonic;onMnemonicChange()">{{curMnemonicLang}}<i class="caret"></i></a>
+              <ul class="dropdown-menu" ng-show="dropdownMnemonic">
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='English']" ng-click="changeMnemonic('en','English')"> English </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='简体中文']" ng-click="changeMnemonic('zhcn','简体中文')"> 简体中文 </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='繁體中文']" ng-click="changeMnemonic('zhtw','繁體中文')"> 繁體中文 </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='日本語']" ng-click="changeMnemonic('ja','日本語')"> 日本語 </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='한국어']" ng-click="changeMnemonic('ko','한국어')"> 한국어 </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='Español']" ng-click="changeMnemonic('es','Español')"> Español </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='Italiano']" ng-click="changeMnemonic('it','Italiano')"> Italiano </a></li>
+                  <li><a ng-class="{true:'active'}[curMnemonicLang=='Français']" ng-click="changeMnemonic('fr','Français')"> Français </a></li>
+              </ul>
+          </span>
+      </div>
       <div class="form-group">
         <textarea id="aria4"
                   class="form-control"
diff --git a/package.json b/package.json
index 4fcfb031d9..de8c9c63d6 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "bignumber.js": "^4.0.2",
-    "bip39": "^2.3.1",
+    "bip39": "^2.5.0",
     "browserify": "^14.3.0",
     "detect-browser": "^1.7.0",
     "ethereum-bip44": "^2.1.3",