Merge pull request #287 from sui77/master

XLM Stellar Lumens

libs/stellar-util/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "stellar-util",
+  "version": "0.0.1",
+  "scripts": {
+    "build": "browserify stellar-util.js > ../../src/js/stellar-util.js"
+  },
+  "dependencies": {
+    "ed25519-hd-key": "^1.0.0",
+    "stellar-base": "^0.10.0"
+  },
+  "devDependencies": {
+    "browserify": "^16.2.3",
+    "uglify-es": "^3.3.9"
+  }
+}

libs/stellar-util/readme.md

@@ -0,0 +1,5 @@
+Build (will create a bundle and copy it to ../../src/stellar-util.js):
+
+    npm install
+    npm run build
+    

libs/stellar-util/stellar-util.js

@@ -0,0 +1,16 @@
+const StellarBase = require('stellar-base');
+const edHd = require('ed25519-hd-key');
+
+window.stellarUtil = {
+    getKeypair: function (path, seed) {
+        const result = edHd.derivePath(path, seed);
+        return StellarBase.Keypair.fromRawEd25519Seed(result.key);
+    },
+    dummyNetwork: {
+        bip32: {public: 0, private: 0},
+        messagePrefix: '',
+        pubKeyHash: 0,
+        scriptHash: 0,
+        wif: 0,
+    },
+}

src/index.html

@@ -942,6 +942,7 @@
         <script src="js/biginteger.js"></script>
         <script src="js/zxcvbn.js"></script>
         <script src="js/entropy.js"></script>
+        <script src="js/stellar-util.js"></script>
         <script src="js/index.js"></script>
     </body>
 </html>

src/js/index.js

@@ -931,6 +931,19 @@
                     privkey = ethUtil.addHexPrefix(privkey);
                     pubkey = ethUtil.addHexPrefix(pubkey);
                 }
+
+                // Stellar is different
+                if (networks[DOM.network.val()].name == "XLM - Stellar") {
+                    var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
+                    var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
+                    var path = "m/";
+                        path += purpose + "'/";
+                        path += coin + "'/" + index + "'";
+                    var keypair = stellarUtil.getKeypair(path, seed);
+                    indexText = path;
+                    privkey = keypair.secret();
+                    pubkey = address = keypair.publicKey();
+                }
                 if ((networks[DOM.network.val()].name == "NAS - Nebulas")) {
                     var NasAccount = require("nebulas-account");
                     var privKeyBuffer = keyPair.d.toBuffer(32);
@@ -2713,6 +2726,13 @@
                 setHdCoin(65);
             },
         },
+        {
+            name: "XLM - Stellar",
+            onSelect: function() {
+                network = stellarUtil.dummyNetwork;
+                setHdCoin(148);
+            },
+        },
         {
             name: "XMY - Myriadcoin",
             onSelect: function() {