113 lines
2.2 KiB
JavaScript
113 lines
2.2 KiB
JavaScript
/*!
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* paymentack.js - bip70 paymentack for bcoin
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* Copyright (c) 2016-2017, Christopher Jeffrey (MIT License).
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* https://github.com/bcoin-org/bcoin
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*/
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'use strict';
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var assert = require('assert');
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var protobuf = require('../utils/protobuf');
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var Payment = require('./payment');
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var ProtoReader = protobuf.ProtoReader;
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var ProtoWriter = protobuf.ProtoWriter;
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/**
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* Represents a BIP70 payment ack.
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* @alias module:bip70.PaymentACK
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* @constructor
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* @param {Object?} options
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* @property {Payment} payment
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* @property {String|null} memo
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*/
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function PaymentACK(options) {
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if (!(this instanceof PaymentACK))
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return new PaymentACK(options);
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this.payment = new Payment();
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this.memo = null;
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if (options)
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this.fromOptions(options);
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}
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/**
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* Inject properties from options.
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* @private
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* @param {Object} options
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* @returns {PaymentACK}
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*/
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PaymentACK.prototype.fromOptions = function fromOptions(options) {
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if (options.payment)
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this.payment.fromOptions(options.payment);
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if (options.memo != null) {
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assert(typeof options.memo === 'string');
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this.memo = options.memo;
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}
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return this;
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};
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/**
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* Instantiate payment ack from options.
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* @param {Object} options
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* @returns {PaymentACK}
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*/
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PaymentACK.fromOptions = function fromOptions(options) {
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return new PaymentACK().fromOptions(options);
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};
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/**
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* Inject properties from serialized data.
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* @private
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* @param {Buffer} data
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* @returns {PaymentACK}
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*/
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PaymentACK.prototype.fromRaw = function fromRaw(data) {
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var br = new ProtoReader(data);
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this.payment.fromRaw(br.readFieldBytes(1));
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this.memo = br.readFieldString(2, true);
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return this;
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};
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/**
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* Instantiate payment ack from serialized data.
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* @param {Buffer} data
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* @returns {PaymentACK}
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*/
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PaymentACK.fromRaw = function fromRaw(data, enc) {
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if (typeof data === 'string')
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data = new Buffer(data, enc);
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return new PaymentACK().fromRaw(data);
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};
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/**
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* Serialize the payment ack (protobuf).
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* @returns {Buffer}
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*/
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PaymentACK.prototype.toRaw = function toRaw() {
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var bw = new ProtoWriter();
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bw.writeFieldBytes(1, this.payment.toRaw());
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if (this.memo != null)
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bw.writeFieldString(2, this.memo);
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return bw.render();
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};
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/*
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* Expose
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*/
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module.exports = PaymentACK;
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