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