adding xlm stellar

3 files changed, 64 insertions, 53 deletions

diff --git a/libs/stellar-util/package-lock.json b/libs/stellar-util/package-lock.json
index 0dd4288..5c428ee 100644
--- a/libs/stellar-util/package-lock.json
+++ b/libs/stellar-util/package-lock.json
@@ -127,6 +127,18 @@
       "integrity": "sha512-i47mqjF9UbjxJhxGf+pZ6kSxrnI3wBLlnGI2ArWJ4r0VrvDS7ZYXkprq/pLaBWYq4GM0r4zdHY+NNRqEMU7uew==",
       "optional": true
     },
+    "bip39": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/bip39/-/bip39-2.5.0.tgz",
+      "integrity": "sha512-xwIx/8JKoT2+IPJpFEfXoWdYwP7UVAoUxxLNfGCfVowaJE7yg1Y5B1BVPqlUNsBq5/nGwmFkwRJ8xDW4sX8OdA==",
+      "requires": {
+        "create-hash": "^1.1.0",
+        "pbkdf2": "^3.0.9",
+        "randombytes": "^2.0.1",
+        "safe-buffer": "^5.0.1",
+        "unorm": "^1.3.3"
+      }
+    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -345,7 +357,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
       "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
-      "dev": true,
       "requires": {
         "inherits": "^2.0.1",
         "safe-buffer": "^5.0.1"
@@ -363,6 +374,12 @@
         "source-map": "~0.5.3"
       }
     },
+    "commander": {
+      "version": "2.13.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
+      "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA==",
+      "dev": true
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -427,7 +444,6 @@
       "version": "1.2.0",
       "resolved": "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
       "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
-      "dev": true,
       "requires": {
         "cipher-base": "^1.0.1",
         "inherits": "^2.0.1",
@@ -440,7 +456,6 @@
       "version": "1.1.7",
       "resolved": "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
       "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
-      "dev": true,
       "requires": {
         "cipher-base": "^1.0.3",
         "create-hash": "^1.1.0",
@@ -555,6 +570,16 @@
         "nan": "^2.0.9"
       }
     },
+    "ed25519-hd-key": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/ed25519-hd-key/-/ed25519-hd-key-1.0.0.tgz",
+      "integrity": "sha512-PbL2RemtcV6UzhJv9lCAFraa3V/M8mxlRJlJeqpaRDtFaHObt43x6nIm8/NMc0Wc70NHee4K9x4V9H5T+MM69Q==",
+      "requires": {
+        "bip39": "^2.4.0",
+        "create-hmac": "^1.1.6",
+        "js-nacl": "^1.2.2"
+      }
+    },
     "elliptic": {
       "version": "6.4.1",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
@@ -631,7 +656,6 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
       "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
-      "dev": true,
       "requires": {
         "inherits": "^2.0.1",
         "safe-buffer": "^5.0.1"
@@ -730,6 +754,11 @@
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
       "dev": true
     },
+    "js-nacl": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/js-nacl/-/js-nacl-1.3.2.tgz",
+      "integrity": "sha512-XEV2slQ60lLhtL8X+PfFYFfen3b0eg+IU3deWKXKF285nqAf/f24Z15LvlLkVogpAb/9eAxe7o1AtThhKGvQkg=="
+    },
     "js-xdr": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/js-xdr/-/js-xdr-1.0.5.tgz",
@@ -800,7 +829,6 @@
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
       "integrity": "sha512-xitP+WxNPcTTOgnTJcrhM0xvdPepipPSf3I8EIpGKeFLjt3PlJLIDG3u8EX53ZIubkb+5U2+3rELYpEhHhzdkg==",
-      "dev": true,
       "requires": {
         "hash-base": "^3.0.0",
         "inherits": "^2.0.1",
@@ -961,7 +989,6 @@
       "version": "3.0.17",
       "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.17.tgz",
       "integrity": "sha512-U/il5MsrZp7mGg3mSQfn742na2T+1/vHDCG5/iTI3X9MKUuYUZVLQhyRsg06mCgDBTd57TxzgZt7P+fYfjRLtA==",
-      "dev": true,
       "requires": {
         "create-hash": "^1.1.2",
         "create-hmac": "^1.1.4",
@@ -1018,7 +1045,6 @@
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.0.6.tgz",
       "integrity": "sha512-CIQ5OFxf4Jou6uOKe9t1AOgqpeU5fd70A8NPdHSGeYXqXsPe6peOwI0cUl88RWZ6sP1vPMV3avd/R6cZ5/sP1A==",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.1.0"
       }
@@ -1081,7 +1107,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
       "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
-      "dev": true,
       "requires": {
         "hash-base": "^3.0.0",
         "inherits": "^2.0.1"
@@ -1268,6 +1293,24 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "uglify-es": {
+      "version": "3.3.9",
+      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
+      "integrity": "sha512-r+MU0rfv4L/0eeW3xZrd16t4NZfK8Ld4SWVglYBb7ez5uXFWHuVRs6xCTrf1yirs9a4j4Y27nn7SRfO6v67XsQ==",
+      "dev": true,
+      "requires": {
+        "commander": "~2.13.0",
+        "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
     "umd": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/umd/-/umd-3.0.3.tgz",
@@ -1286,6 +1329,11 @@
         "xtend": "^4.0.1"
       }
     },
+    "unorm": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.4.1.tgz",
+      "integrity": "sha1-NkIA1fE2RsqLzURJAnEzVhR5IwA="
+    },
     "url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
diff --git a/libs/stellar-util/package.json b/libs/stellar-util/package.json
index 80bc8a4..676e084 100644
--- a/libs/stellar-util/package.json
+++ b/libs/stellar-util/package.json
@@ -1,13 +1,15 @@
 {
   "name": "stellar-util",
   "version": "0.0.1",
-  "scripts" :{
-    "build": "browserify stellar-util.js > ../../src/js/stellar-util.js"
+  "scripts": {
+    "build": "browserify stellar-util.js | uglifyjs -c -m > ../../src/js/stellar-util.js"
   },
   "dependencies": {
+    "ed25519-hd-key": "^1.0.0",
     "stellar-base": "^0.10.0"
   },
   "devDependencies": {
-    "browserify": "^16.2.3"
+    "browserify": "^16.2.3",
+    "uglify-es": "^3.3.9"
   }
 }
diff --git a/libs/stellar-util/stellar-util.js b/libs/stellar-util/stellar-util.js
index 1922d5c..a95d78d 100644
--- a/libs/stellar-util/stellar-util.js
+++ b/libs/stellar-util/stellar-util.js
@@ -1,48 +1,9 @@
-const createHmac = require('create-hmac');
 const StellarBase = require('stellar-base');
+const edHd = require('ed25519-hd-key');
 
 window.stellarUtil = {
-
-    HARDENED_OFFSET: 0x80000000,
-    ED25519_CURVE: 'ed25519 seed',
-
-    replaceDerive: (val) => val.replace("'", ''),
-
-    getMasterKeyFromSeed: function (seed) {
-        const hmac = createHmac('sha512', this.ED25519_CURVE);
-        const I = hmac.update(Buffer.from(seed, 'hex')).digest();
-        const IL = I.slice(0, 32);
-        const IR = I.slice(32);
-        return {
-            key: IL,
-            chainCode: IR,
-        };
-    },
-
-    CKDPriv: ({key, chainCode}, index) => {
-        const indexBuffer = Buffer.allocUnsafe(4);
-        indexBuffer.writeUInt32BE(index, 0);
-        const data = Buffer.concat([Buffer.alloc(1, 0), key, indexBuffer]);
-        const I = createHmac('sha512', chainCode)
-            .update(data)
-            .digest();
-        const IL = I.slice(0, 32);
-        const IR = I.slice(32);
-        return {
-            key: IL,
-            chainCode: IR,
-        };
-    },
-
-    derivePath: function (path, seed) {
-
-        const {key, chainCode} = this.getMasterKeyFromSeed(seed);
-        const segments = path
-            .split('/')
-            .slice(1)
-            .map(this.replaceDerive)
-            .map(el => parseInt(el, 10));
-        const result = segments.reduce((parentKeys, segment) => this.CKDPriv(parentKeys, segment + this.HARDENED_OFFSET), {key, chainCode});
+    getKeypair: function (path, seed) {
+        const result = edHd.derivePath(path, seed);
         return StellarBase.Keypair.fromRawEd25519Seed(result.key);
     }
 }