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