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adding xlm stellar

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This commit is contained in:
Suat Özgür
2018-12-17 01:21:17 +01:00
parent 8ffa333bc9
commit 22c443df83
5 changed files with 71 additions and 41575 deletions
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64
libs/stellar-util/package-lock.json generated
View File

@@ -127,6 +127,18 @@
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"optional": true
},
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"unorm": "^1.3.3"
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"bn.js": {
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@@ -345,7 +357,6 @@
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@@ -363,6 +374,12 @@
"source-map": "~0.5.3"
}
},
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"resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
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@@ -427,7 +444,6 @@
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@@ -440,7 +456,6 @@
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"create-hash": "^1.1.0",
@@ -555,6 +570,16 @@
"nan": "^2.0.9"
}
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"create-hmac": "^1.1.6",
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"elliptic": {
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@@ -631,7 +656,6 @@
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@@ -730,6 +754,11 @@
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@@ -800,7 +829,6 @@
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@@ -961,7 +989,6 @@
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"dev": true,
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"create-hmac": "^1.1.4",
@@ -1018,7 +1045,6 @@
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@@ -1081,7 +1107,6 @@
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"dev": true,
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"inherits": "^2.0.1"
@@ -1268,6 +1293,24 @@
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"dev": true
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"uglify-es": {
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"resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
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"dev": true,
"requires": {
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"source-map": "~0.6.1"
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"dependencies": {
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"dev": true
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@@ -1286,6 +1329,11 @@
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"url": {
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8
libs/stellar-util/package.json
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@@ -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"
}
}

45
libs/stellar-util/stellar-util.js
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@@ -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);
}
}