Base URI class and tests

This commit is contained in:
Yemel Jardi 2014-11-26 18:07:49 -03:00
parent 80937362be
commit c9951be2dc
3 changed files with 273 additions and 1 deletions

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@ -41,9 +41,9 @@ bitcore.Script = require('./lib/script');
bitcore.Transaction = require('./lib/transaction');
bitcore.Txin = require('./lib/txin');
bitcore.Txout = require('./lib/txout');
bitcore.URI = require('./lib/uri');
bitcore.Unit = require('./lib/unit');
// dependencies, subject to change
bitcore.deps = {};
bitcore.deps.bnjs = require('bn.js');

92
lib/uri.js Normal file
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@ -0,0 +1,92 @@
'use strict';
var _ = require('lodash');
var URL = require('url');
var Address = require('./address');
var URI = function(arg, knownArgs) {
this.extras = {};
this.knownArgs = knownArgs || [];
this.address = this.network = this.amount = this.message = null;
if (typeof(arg) == 'string') {
var params = URI.parse(arg);
this._fromObject(params);
} else if (typeof(arg) == 'object') {
this._fromObject(arg);
} else {
throw new TypeError('Unrecognized data format.');
}
};
URI.isValid = function(arg, knownArgs) {
try {
var uri = new URI(arg, knownArgs);
return true;
} catch(err) {
return false;
}
};
URI.parse = function(uri) {
var info = URL.parse(uri, true);
if (info.protocol != 'bitcoin:') {
throw new TypeError('Invalid bitcoin URI');
}
// workaround to host insensitiveness
var group = /[^:]*:\/?\/?([^?]*)/.exec(uri);
info.query.address = group && group[1] || undefined;
return info.query;
};
URI.prototype._fromObject = function(obj) {
var members = ['address', 'amount', 'message', 'label'];
if (!Address.isValid(obj.address)) throw new TypeError('Invalid bitcoin address');
this.address = new Address(obj.address);
this.network = this.address.network;
if (obj.amount) this.amount = this._parseAmount(obj.amount);
for (var key in obj) {
if (key === 'address' || key === 'amount') continue;
if (/^req-/.exec(key) && this.knownArgs.indexOf(key) === -1) {
throw Error('Unknown required argument ' + key);
}
var destination = members.indexOf(key) > -1 ? this : this.extras;
destination[key] = obj[key];
}
};
URI.prototype._parseAmount = function(amount) {
var amount = Number(amount);
if (isNaN(amount)) throw new TypeError('Invalid amount');
return amount; // TODO: Convert to Satoshis (yemel)
};
URI.prototype.toString = function() {
var query = _.clone(this.extras);
if (this.amount) query.amount = this.amount; // TODO: Convert to BTC (yemel)
if (this.message) query.message = this.message;
return URL.format({
protocol: 'bitcoin:',
host: this.address,
query: query
});
};
URI.prototype.inspect = function() {
return '<URI: ' + this.toString()+ '>';
}
module.exports = URI;

180
test/uri.js Normal file
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@ -0,0 +1,180 @@
'use strict';
var chai = chai || require('chai');
var should = chai.should();
var expect = chai.expect;
var bitcore = require('..');
var URI = bitcore.URI;
describe('URI', function() {
it('should parse uris strings', function() {
var uri;
URI.parse.bind(URI, 'badURI').should.throw(TypeError);
uri = URI.parse('bitcoin:');
expect(uri.address).to.be.undefined;
expect(uri.amount).to.be.undefined;
expect(uri.otherParam).to.be.undefined;
uri = URI.parse('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri.address.should.equal('1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
expect(uri.amount).to.be.undefined;
expect(uri.otherParam).to.be.undefined;
uri = URI.parse('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=123.22');
uri.address.should.equal('1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri.amount.should.equal('123.22');
expect(uri.otherParam).to.be.undefined;
uri = URI.parse('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=123.22&other-param=something&req-extra=param');
uri.address.should.equal('1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri.amount.should.equal('123.22');
uri['other-param'].should.equal('something');
uri['req-extra'].should.equal('param');
});
it('should statically validate uris', function() {
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj').should.be.true;
URI.isValid('bitcoin:mkYY5NRvikVBY1EPtaq9fAFgquesdjqECw').should.be.true;
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2').should.be.true;
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2&other=param').should.be.true;
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2&req-other=param', ['req-other']).should.be.true;
URI.isValid('bitcoin:mmrqEBJxUCf42vdb3oozZtyz5mKr3Vb2Em?amount=0.1&r=https%3A%2F%2Ftest.bitpay.com%2Fi%2F6DKgf8cnJC388irbXk5hHu').should.be.true;
URI.isValid('bitcoin:').should.be.false;
URI.isValid('bitcoin:badUri').should.be.false;
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfk?amount=bad').should.be.false;
URI.isValid('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfk?amount=1.2&req-other=param').should.be.false;
URI.isValid('bitcoin:?r=https%3A%2F%2Ftest.bitpay.com%2Fi%2F6DKgf8cnJC388irbXk5hHu').should.be.false;
});
it('should fail creation with no params', function() {
(function(){
new URI();
}).should.throw(TypeError);
});
it('should create instance from bitcoin uri', function() {
var uri;
uri = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri.address.should.be.instanceof(bitcore.Address);
uri.network.should.equal('mainnet');
uri = new URI('bitcoin:mkYY5NRvikVBY1EPtaq9fAFgquesdjqECw');
uri.address.should.be.instanceof(bitcore.Address);
uri.network.should.equal('testnet');
uri = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2&other=param');
uri.address.should.be.instanceof(bitcore.Address);
uri.amount.should.equal(1.2);
expect(uri.other).to.be.undefined;
uri.extras.other.should.equal('param');
(function() {
new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2&other=param&req-required=param');
}).should.throw(Error);
uri = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=1.2&other=param&req-required=param', ['req-required']);
uri.address.should.be.instanceof(bitcore.Address);
uri.amount.should.equal(1.2);
uri.extras.other.should.equal('param');
uri.extras['req-required'].should.equal('param');
});
it('should create instance from object', function() {
var uri;
uri = new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj'
});
uri.address.should.be.instanceof(bitcore.Address);
uri.network.should.equal('mainnet');
uri = new URI({
address: 'mkYY5NRvikVBY1EPtaq9fAFgquesdjqECw'
});
uri.address.should.be.instanceof(bitcore.Address);
uri.network.should.equal('testnet');
uri = new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj',
amount: '1.2',
other: 'param'
});
uri.address.should.be.instanceof(bitcore.Address);
uri.amount.should.equal(1.2);
expect(uri.other).to.be.undefined;
uri.extras.other.should.equal('param');
(function() {
new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj',
'req-required': param
});
}).should.throw(Error);
uri = new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj',
amount: 1.2,
other: 'param',
'req-required': 'param'
}, ['req-required']);
uri.address.should.be.instanceof(bitcore.Address);
uri.amount.should.equal(1.2);
uri.extras.other.should.equal('param');
uri.extras['req-required'].should.equal('param');
});
it('should support double slash scheme', function() {
var uri = new URI('bitcoin://1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri.address.toString().should.equal('1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
});
it('should support numeric amounts', function() {
var uri = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?amount=12.10001');
expect(uri.amount).to.be.equal(12.10001);
});
it('should support extra arguments', function() {
var uri = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?message=Donation%20for%20project%20xyz&label=myLabel&other=xD');
should.exist(uri.message);
uri.message.should.equal('Donation for project xyz');
should.exist(uri.label);
uri.label.should.equal('myLabel');
should.exist(uri.extras.other);
uri.extras.other.should.equal('xD');
});
it('should generate a valid URI', function() {
new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj',
}).toString().should.equal(
'bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj'
);
new URI({
address: '1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj',
amount: 1.10001,
message: 'Hello World',
something: 'else'
}).toString().should.equal(
'bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj?something=else&amount=1.10001&message=Hello%20World'
);
});
it('should be case insensitive to protocol', function() {
var uri1 = new URI('bItcOin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
var uri2 = new URI('bitcoin:1DP69gMMvSuYhbnxsi4EJEFufUAbDrEQfj');
uri1.address.toString().should.equal(uri2.address.toString());
});
});