add fromPubKey to SIN
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16
lib/SIN.js
16
lib/SIN.js
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@ -1,6 +1,8 @@
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'use strict';
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var VersionedData = require('../util/VersionedData');
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var EncodedData = require('../util/EncodedData');
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var util = require('util');
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var coinUtil = require('../util');
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function SIN(type, payload) {
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if (typeof type != 'number') {
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@ -62,4 +64,18 @@ SIN.prototype.validate = function() {
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if (this.data.length != 22) throw new Error('invalid data length');
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});
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};
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// create a SIN from a public key
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SIN.fromPubKey = function(pubKey, type) {
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if (!type)
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type = SIN.SIN_EPHEM;
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if (!Buffer.isBuffer(pubKey) || pubKey.length !== 33)
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throw new Error('Invalid public key' + pubKey.length);
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var hash = coinUtil.sha256ripe160(pubKey);
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return new SIN(hash, type);
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};
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module.exports = SIN;
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@ -21,6 +21,8 @@ describe('SIN', function() {
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});
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var data = [
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['6bqov85Hsatqb8eLtwLW1PBQLWVNJkzPwgdAT3SYNkB6X2aF2n', false],
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['TfGPWmEYZCTr1FHqinjoGxnYAxdBhsta4qR', true],
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['TexvSXam8vtoUviGajQyDuYdPSAEtwTNyZg', true]
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];
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data.forEach(function(datum) {
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var sin = datum[0];
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@ -28,7 +30,6 @@ describe('SIN', function() {
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it('should validate correctly ' + sin, function() {
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var a = new SIN(sin);
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var s = a.toString();
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a.isValid().should.equal(result);
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s.should.equal(a.toString()); // check that validation doesn't change data
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});
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@ -36,14 +37,27 @@ describe('SIN', function() {
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describe('#SIN', function() {
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it('should be able to create a new SIN with a version byte', function() {
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var myhash = bitcore.util.sha256ripe160('test');
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var myhash = bitcore.util.sha256ripe160('test123123');
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var sin = new SIN(SIN.SIN_EPHEM, myhash);
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should.exist(sin);
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});
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});
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describe('#fromPubKey', function() {
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it('should fail to create a new SIN not using a pub key', function() {
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(function() { SIN.fromPubKey('1234')}).should.throw();
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});
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it('should fail to create a new SIN not using a pub key case 2', function() {
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(function() { SIN.fromPubKey('X2345678901234567890123456789012112345678901234567890123456781011')}).should.throw();
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});
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it('should be able to create a new SIN using a pub key', function() {
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var pubkey1 = new Buffer('03e0973263b4e0d5f5f56d25d430e777ab3838ff644db972c0bf32c31da5686c27', 'hex');
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var sin = SIN.fromPubKey(pubkey1);
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should.exist(sin);
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sin.toString().should.equal('FrCfKjSFN1Ubp3x6AD6au8M5LTaNAEN8b');
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});
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});
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});
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