3053 lines
63 KiB
JavaScript
3053 lines
63 KiB
JavaScript
/*!
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* packets.js - packets for bcoin
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* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
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* Copyright (c) 2014-2016, 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 bn = require('bn.js');
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var constants = require('../protocol/constants');
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var utils = require('../utils/utils');
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var assert = require('assert');
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var crypto = require('../crypto/crypto');
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var time = require('./timedata');
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var ec = require('../crypto/ec');
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var Bloom = require('../utils/bloom');
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var bip152 = require('./bip152');
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var NetworkAddress = require('../primitives/netaddress');
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var Coin = require('../primitives/coin');
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var Headers = require('../primitives/headers');
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var InvItem = require('../primitives/invitem');
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var MemBlock = require('../primitives/memblock');
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var MerkleBlock = require('../primitives/merkleblock');
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var Outpoint = require('../primitives/outpoint');
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var Output = require('../primitives/output');
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var TX = require('../primitives/tx');
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var BufferWriter = require('../utils/writer');
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var BufferReader = require('../utils/reader');
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var DUMMY = new Buffer(0);
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/**
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* Packet types.
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* @enum {Number}
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* @default
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*/
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exports.types = {
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VERSION: 0,
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VERACK: 1,
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PING: 1,
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PONG: 2,
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ALERT: 3,
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GETADDR: 4,
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ADDR: 5,
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INV: 6,
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GETDATA: 7,
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NOTFOUND: 8,
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GETBLOCKS: 9,
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GETHEADERS: 10,
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HEADERS: 11,
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SENDHEADERS: 12,
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BLOCK: 13,
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TX: 14,
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REJECT: 15,
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MEMPOOL: 16,
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FILTERLOAD: 17,
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FILTERADD: 18,
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FILTERCLEAR: 19,
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MERKLEBLOCK: 20,
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GETUTXOS: 21,
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UTXOS: 22,
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HAVEWITNESS: 23,
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FEEFILTER: 24,
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SENDCMPCT: 25,
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CMPCTBLOCK: 26,
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GETBLOCKTXN: 27,
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BLOCKTXN: 28,
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ENCINIT: 29,
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ENCACK: 30,
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AUTHCHALLENGE: 31,
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AUTHREPLY: 32,
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AUTHPROPOSE: 33,
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UNKNOWN: 34
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};
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/**
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* Base Packet
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* @constructor
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*/
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function Packet() {}
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Packet.prototype.type = -1;
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Packet.prototype.cmd = '';
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/**
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* Version Packet
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* @constructor
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* @exports VersionPacket
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* @param {Object?} options
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* @param {Number} options.version - Protocol version.
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* @param {Number} options.services - Service bits.
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* @param {Number} options.ts - Timestamp of discovery.
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* @param {NetworkAddress} options.local - Our address.
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* @param {NetworkAddress} options.remote - Their address.
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* @param {BN} options.nonce
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* @param {String} options.agent - User agent string.
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* @param {Number} options.height - Chain height.
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* @param {Boolean} options.relay - Whether transactions
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* should be relayed immediately.
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* @property {Number} version - Protocol version.
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* @property {Number} services - Service bits.
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* @property {Number} ts - Timestamp of discovery.
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* @property {NetworkAddress} local - Our address.
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* @property {NetworkAddress} remote - Their address.
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* @property {BN} nonce
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* @property {String} agent - User agent string.
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* @property {Number} height - Chain height.
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* @property {Boolean} relay - Whether transactions
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* should be relayed immediately.
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*/
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function VersionPacket(options) {
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if (!(this instanceof VersionPacket))
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return new VersionPacket(options);
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Packet.call(this);
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this.version = constants.VERSION;
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this.services = constants.LOCAL_SERVICES;
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this.ts = time.now();
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this.recv = new NetworkAddress();
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this.from = new NetworkAddress();
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this.nonce = new bn(0);
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this.agent = constants.USER_AGENT;
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this.height = 0;
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this.relay = true;
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if (options)
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this.fromOptions(options);
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}
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utils.inherits(VersionPacket, Packet);
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VersionPacket.prototype.cmd = 'version';
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VersionPacket.prototype.type = exports.types.VERSION;
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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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*/
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VersionPacket.prototype.fromOptions = function fromOptions(options) {
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if (options.version != null)
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this.version = options.version;
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if (options.services != null)
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this.services = options.services;
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if (options.ts != null)
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this.ts = options.ts;
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if (options.recv)
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this.recv.fromOptions(options.recv);
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if (options.from)
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this.from.fromOptions(options.from);
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if (options.nonce)
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this.nonce = options.nonce;
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if (options.agent)
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this.agent = options.agent;
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if (options.height != null)
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this.height = options.height;
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if (options.relay != null)
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this.relay = options.relay;
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return this;
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};
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/**
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* Instantiate version packet from options.
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* @param {Object} options
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* @returns {VersionPacket}
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*/
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VersionPacket.fromOptions = function fromOptions(options) {
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return new VersionPacket().fromOptions(options);
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};
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/**
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* Serialize version packet.
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* @returns {Buffer}
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*/
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VersionPacket.prototype.toRaw = function toRaw(writer) {
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var p = BufferWriter(writer);
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p.write32(this.version);
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p.writeU64(this.services);
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p.write64(this.ts);
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this.recv.toRaw(false, p);
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this.from.toRaw(false, p);
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p.writeU64(this.nonce);
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p.writeVarString(this.agent, 'ascii');
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p.write32(this.height);
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p.writeU8(this.relay ? 1 : 0);
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if (!writer)
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p = p.render();
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return p;
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};
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/**
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* Test whether the NETWORK service bit is set.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasNetwork = function hasNetwork() {
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return (this.services & constants.services.NETWORK) !== 0;
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};
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/**
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* Test whether the BLOOM service bit is set.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasBloom = function hasBloom() {
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return this.version >= 70011
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&& (this.services & constants.services.BLOOM) !== 0;
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};
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/**
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* Test whether the GETUTXO service bit is set.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasUTXO = function hasUTXO() {
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return (this.services & constants.services.GETUTXO) !== 0;
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};
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/**
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* Test whether the WITNESS service bit is set.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasWitness = function hasWitness() {
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return (this.services & constants.services.WITNESS) !== 0;
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};
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/**
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* Test whether the protocol version supports getheaders.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasHeaders = function hasHeaders() {
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return this.version >= 31800;
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};
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/**
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* Test whether the protocol version supports bip152.
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* @returns {Boolean}
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*/
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VersionPacket.prototype.hasCompact = function hasCompact() {
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return this.version >= 70014;
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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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*/
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VersionPacket.prototype.fromRaw = function fromRaw(data) {
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var p = BufferReader(data);
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this.version = p.read32();
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this.services = p.readU53();
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this.ts = p.read53();
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this.recv.fromRaw(p, false);
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if (p.left() > 0) {
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this.from.fromRaw(p, false);
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this.nonce = p.readU64();
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}
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if (p.left() > 0)
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this.agent = p.readVarString('ascii', 256);
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if (p.left() > 0)
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this.height = p.read32();
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if (p.left() > 0)
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this.relay = p.readU8() === 1;
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if (this.version === 10300)
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this.version = 300;
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assert(this.version >= 0, 'Version is negative.');
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assert(this.ts >= 0, 'Timestamp is negative.');
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// assert(this.height >= 0, 'Height is negative.');
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return this;
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};
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/**
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* Instantiate version packet from serialized data.
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* @param {Buffer} data
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* @param {String?} enc
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* @returns {VersionPacket}
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*/
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VersionPacket.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 VersionPacket().fromRaw(data, enc);
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};
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/**
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* Represents a `verack` packet.
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* @exports VerackPacket
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* @constructor
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*/
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function VerackPacket() {
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if (!(this instanceof VerackPacket))
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return new VerackPacket();
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Packet.call(this);
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}
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VerackPacket.prototype.cmd = 'verack';
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VerackPacket.prototype.type = exports.types.VERACK;
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/**
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* Serialize verack packet.
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* @returns {Buffer}
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*/
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VerackPacket.prototype.toRaw = function toRaw(writer) {
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return writer || DUMMY;
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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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*/
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VerackPacket.prototype.fromRaw = function fromRaw(data) {
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return this;
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};
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/**
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* Instantiate verack packet from serialized data.
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* @param {Buffer} data
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* @param {String?} enc
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* @returns {VerackPacket}
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*/
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VerackPacket.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 VerackPacket().fromRaw(data);
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};
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/**
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* Represents a `ping` packet.
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* @exports PingPacket
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* @constructor
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* @param {BN?} nonce
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* @property {BN|null} nonce
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*/
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function PingPacket(nonce) {
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if (!(this instanceof PingPacket))
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return new PingPacket(nonce);
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Packet.call(this);
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this.nonce = nonce || null;
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}
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utils.inherits(PingPacket, Packet);
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PingPacket.prototype.cmd = 'ping';
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PingPacket.prototype.type = exports.types.PING;
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/**
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* Serialize ping packet.
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* @returns {Buffer}
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*/
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PingPacket.prototype.toRaw = function toRaw(writer) {
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var p = BufferWriter(writer);
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if (this.nonce)
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p.writeU64(this.nonce);
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if (!writer)
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p = p.render();
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return p;
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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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*/
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PingPacket.prototype.fromRaw = function fromRaw(data) {
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var p = BufferReader(data);
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if (p.left() >= 8)
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this.nonce = p.readU64();
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return this;
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};
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/**
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* Instantiate ping packet from serialized data.
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* @param {Buffer} data
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* @param {String?} enc
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* @returns {PingPacket}
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*/
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PingPacket.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 PingPacket().fromRaw(data);
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};
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/**
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* Represents a `pong` packet.
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* @exports PongPacket
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* @constructor
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* @param {BN?} nonce
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* @property {BN} nonce
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*/
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function PongPacket(nonce) {
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if (!(this instanceof PongPacket))
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return new PongPacket(nonce);
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Packet.call(this);
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this.nonce = nonce || new bn(0);
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}
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utils.inherits(PongPacket, Packet);
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PongPacket.prototype.cmd = 'pong';
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PongPacket.prototype.type = exports.types.PONG;
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/**
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* Serialize pong packet.
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* @returns {Buffer}
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*/
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PongPacket.prototype.toRaw = function toRaw(writer) {
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var p = BufferWriter(writer);
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p.writeU64(this.nonce);
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if (!writer)
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p = p.render();
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return p;
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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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*/
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PongPacket.prototype.fromRaw = function fromRaw(data) {
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var p = BufferReader(data);
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this.nonce = p.readU64();
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return this;
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};
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/**
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* Instantiate pong packet from serialized data.
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* @param {Buffer} data
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* @param {String?} enc
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* @returns {VerackPacket}
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*/
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PongPacket.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 PongPacket().fromRaw(data);
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};
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/**
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* Alert Packet
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* @exports AlertPacket
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* @constructor
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* @param {Object} options
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* @property {Number} version
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* @property {Number} relayUntil
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* @property {Number} expiration
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* @property {Number} id
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* @property {Number} cancel
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* @property {Number[]} cancels
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* @property {Number} minVer
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* @property {Number} maxVer
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* @property {String[]} subVers
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* @property {Number} priority
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* @property {String} comment
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* @property {String} statusBar
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* @property {String?} reserved
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* @property {Buffer?} signature - Payload signature.
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*/
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function AlertPacket(options) {
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var ts;
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if (!(this instanceof AlertPacket))
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return new AlertPacket(options);
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Packet.call(this);
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ts = time.now() + 7 * 86400;
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this.version = 1;
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this.relayUntil = ts;
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this.expiration = ts;
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this.id = 1;
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this.cancel = 0;
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this.cancels = [];
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this.minVer = 10000;
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this.maxVer = constants.VERSION;
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this.subVers = [];
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this.priority = 100;
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this.comment = '';
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this.statusBar = '';
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this.reserved = '';
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this.signature = null;
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this._payload = null;
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this._hash = null;
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if (options)
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this.fromOptions(options);
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}
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utils.inherits(AlertPacket, Packet);
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AlertPacket.prototype.cmd = 'alert';
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AlertPacket.prototype.type = exports.types.ALERT;
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/**
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* Inject properties from options object.
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* @private
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* @param {Object} options
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*/
|
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|
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AlertPacket.prototype.fromOptions = function fromOptions(options) {
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if (options.version != null)
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this.version = options.version;
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if (options.relayUntil != null)
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this.relayUntil = options.relayUntil;
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if (options.expiration != null)
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this.expiration = options.expiration;
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if (options.id != null)
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this.id = options.id;
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if (options.cancel != null)
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this.cancel = options.cancel;
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if (options.cancels)
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this.cancels = options.cancels;
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if (options.minVer != null)
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this.minVer = options.minVer;
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if (options.maxVer != null)
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this.maxVer = options.maxVer;
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if (options.subVers)
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this.subVers = options.subVers;
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if (options.priority != null)
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this.priority = options.priority;
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if (options.comment != null)
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this.comment = options.comment;
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if (options.statusBar != null)
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this.statusBar = options.statusBar;
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if (options.reserved != null)
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this.reserved = options.reserved;
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this.signature = options.signature;
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return this;
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};
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|
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/**
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* Instantiate alert packet from options.
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* @param {Object} options
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* @returns {AlertPacket}
|
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*/
|
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|
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AlertPacket.fromOptions = function fromOptions(options) {
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return new AlertPacket().fromOptions(options);
|
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};
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|
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/**
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* Get the hash256 of the alert payload.
|
|
* @param {String?} enc
|
|
* @returns {Hash}
|
|
*/
|
|
|
|
AlertPacket.prototype.hash = function hash(enc) {
|
|
if (!this._hash)
|
|
this._hash = crypto.hash256(this.toPayload());
|
|
return enc === 'hex' ? this._hash.toString('hex') : this._hash;
|
|
};
|
|
|
|
/**
|
|
* Serialize the packet to its payload.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AlertPacket.prototype.toPayload = function toPayload() {
|
|
if (!this._payload)
|
|
this._payload = this.framePayload();
|
|
|
|
return this._payload;
|
|
};
|
|
|
|
/**
|
|
* Sign the alert packet payload.
|
|
* @param {Buffer} key - Private key.
|
|
*/
|
|
|
|
AlertPacket.prototype.sign = function sign(key) {
|
|
this.signature = ec.sign(this.hash(), key);
|
|
};
|
|
|
|
/**
|
|
* Verify the alert packet.
|
|
* @param {Buffer} key - Public key.
|
|
* @returns {Boolean}
|
|
*/
|
|
|
|
AlertPacket.prototype.verify = function verify(key) {
|
|
return ec.verify(this.hash(), this.signature, key);
|
|
};
|
|
|
|
/**
|
|
* Serialize the alert packet (includes payload _and_ signature).
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AlertPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeVarBytes(this.toPayload());
|
|
p.writeVarBytes(this.signature);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Serialize the alert packet payload.
|
|
* @private
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AlertPacket.prototype.framePayload = function framePayload(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.write32(this.version);
|
|
p.write64(this.relayUntil);
|
|
p.write64(this.expiration);
|
|
p.write32(this.id);
|
|
p.write32(this.cancel);
|
|
|
|
p.writeVarint(this.cancels.length);
|
|
for (i = 0; i < this.cancels.length; i++)
|
|
p.write32(this.cancels[i]);
|
|
|
|
p.write32(this.minVer);
|
|
p.write32(this.maxVer);
|
|
|
|
p.writeVarint(this.subVers.length);
|
|
for (i = 0; i < this.subVers.length; i++)
|
|
p.writeVarString(this.subVers[i], 'ascii');
|
|
|
|
p.write32(this.priority);
|
|
p.writeVarString(this.comment, 'ascii');
|
|
p.writeVarString(this.statusBar, 'ascii');
|
|
p.writeVarString(this.reserved, 'ascii');
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
AlertPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
this._payload = p.readVarBytes();
|
|
this.signature = p.readVarBytes();
|
|
|
|
p = BufferReader(this._payload);
|
|
|
|
this.version = p.read32();
|
|
this.relayUntil = p.read53();
|
|
this.expiration = p.read53();
|
|
this.id = p.read32();
|
|
this.cancel = p.read32();
|
|
|
|
count = p.readVarint();
|
|
for (i = 0; i < count; i++)
|
|
this.cancels.push(p.read32());
|
|
|
|
this.minVer = p.read32();
|
|
this.maxVer = p.read32();
|
|
|
|
count = p.readVarint();
|
|
for (i = 0; i < count; i++)
|
|
this.subVers.push(p.readVarString('ascii'));
|
|
|
|
this.priority = p.read32();
|
|
this.comment = p.readVarString('ascii');
|
|
this.statusBar = p.readVarString('ascii');
|
|
this.reserved = p.readVarString('ascii');
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate alert packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {AlertPacket}
|
|
*/
|
|
|
|
AlertPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new AlertPacket().fromRaw(data, enc);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getaddr` packet.
|
|
* @exports GetAddrPacket
|
|
* @constructor
|
|
*/
|
|
|
|
function GetAddrPacket() {
|
|
if (!(this instanceof GetAddrPacket))
|
|
return new GetAddrPacket();
|
|
|
|
Packet.call(this);
|
|
}
|
|
|
|
utils.inherits(GetAddrPacket, Packet);
|
|
|
|
GetAddrPacket.prototype.cmd = 'getaddr';
|
|
GetAddrPacket.prototype.type = exports.types.GETADDR;
|
|
|
|
/**
|
|
* Serialize getaddr packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
GetAddrPacket.prototype.toRaw = function toRaw(writer) {
|
|
return writer || DUMMY;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
GetAddrPacket.prototype.fromRaw = function fromRaw(data) {
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate getaddr packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetAddrPacket}
|
|
*/
|
|
|
|
GetAddrPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetAddrPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `addr` packet.
|
|
* @exports AddrPacket
|
|
* @constructor
|
|
* @param {(NetworkAddress[])?} items
|
|
* @property {NetworkAddress[]} items
|
|
*/
|
|
|
|
function AddrPacket(items) {
|
|
if (!(this instanceof AddrPacket))
|
|
return new AddrPacket(items);
|
|
|
|
Packet.call(this);
|
|
|
|
this.items = items || [];
|
|
}
|
|
|
|
utils.inherits(AddrPacket, Packet);
|
|
|
|
AddrPacket.prototype.cmd = 'addr';
|
|
AddrPacket.prototype.type = exports.types.ADDR;
|
|
|
|
/**
|
|
* Serialize addr packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AddrPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.writeVarint(this.items.length);
|
|
|
|
for (i = 0; i < this.items.length; i++)
|
|
this.items[i].toRaw(true, p);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
AddrPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < count; i++)
|
|
this.items.push(NetworkAddress.fromRaw(p, true));
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate addr packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {AddrPacket}
|
|
*/
|
|
|
|
AddrPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new AddrPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `inv` packet.
|
|
* @exports InvPacket
|
|
* @constructor
|
|
* @param {(InvItem[])?} items
|
|
* @property {InvItem[]} items
|
|
*/
|
|
|
|
function InvPacket(items) {
|
|
if (!(this instanceof InvPacket))
|
|
return new InvPacket(items);
|
|
|
|
Packet.call(this);
|
|
|
|
this.items = items || [];
|
|
}
|
|
|
|
utils.inherits(InvPacket, Packet);
|
|
|
|
InvPacket.prototype.cmd = 'inv';
|
|
InvPacket.prototype.type = exports.types.INV;
|
|
|
|
/**
|
|
* Serialize inv packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
InvPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.writeVarint(this.items.length);
|
|
|
|
for (i = 0; i < this.items.length; i++)
|
|
this.items[i].toRaw(p);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
InvPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < count; i++)
|
|
this.items.push(InvItem.fromRaw(p));
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate inv packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {InvPacket}
|
|
*/
|
|
|
|
InvPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new InvPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getdata` packet.
|
|
* @exports GetDataPacket
|
|
* @extends InvPacket
|
|
* @constructor
|
|
* @param {(InvItem[])?} items
|
|
*/
|
|
|
|
function GetDataPacket(items) {
|
|
if (!(this instanceof GetDataPacket))
|
|
return new GetDataPacket(items);
|
|
|
|
InvPacket.call(this, items);
|
|
}
|
|
|
|
utils.inherits(GetDataPacket, InvPacket);
|
|
|
|
GetDataPacket.prototype.cmd = 'getdata';
|
|
GetDataPacket.prototype.type = exports.types.GETDATA;
|
|
|
|
/**
|
|
* Instantiate getdata packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetDataPacket}
|
|
*/
|
|
|
|
GetDataPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetDataPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `notfound` packet.
|
|
* @exports NotFoundPacket
|
|
* @extends InvPacket
|
|
* @constructor
|
|
* @param {(InvItem[])?} items
|
|
*/
|
|
|
|
function NotFoundPacket(items) {
|
|
if (!(this instanceof NotFoundPacket))
|
|
return new NotFoundPacket(items);
|
|
|
|
InvPacket.call(this, items);
|
|
}
|
|
|
|
utils.inherits(NotFoundPacket, InvPacket);
|
|
|
|
NotFoundPacket.prototype.cmd = 'notfound';
|
|
NotFoundPacket.prototype.type = exports.types.NOTFOUND;
|
|
|
|
/**
|
|
* Instantiate notfound packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {NotFoundPacket}
|
|
*/
|
|
|
|
NotFoundPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new NotFoundPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getblocks` packet.
|
|
* @exports GetBlocksPacket
|
|
* @constructor
|
|
* @param {Hash[]} locator
|
|
* @param {Hash?} stop
|
|
* @property {Hash[]} locator
|
|
* @property {Hash|null} stop
|
|
*/
|
|
|
|
function GetBlocksPacket(locator, stop) {
|
|
if (!(this instanceof GetBlocksPacket))
|
|
return new GetBlocksPacket(locator, stop);
|
|
|
|
Packet.call(this);
|
|
|
|
this.version = constants.VERSION;
|
|
this.locator = locator || [];
|
|
this.stop = stop || null;
|
|
}
|
|
|
|
utils.inherits(GetBlocksPacket, Packet);
|
|
|
|
GetBlocksPacket.prototype.cmd = 'getblocks';
|
|
GetBlocksPacket.prototype.type = exports.types.GETBLOCKS;
|
|
|
|
/**
|
|
* Serialize getblocks packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
GetBlocksPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.writeU32(this.version);
|
|
p.writeVarint(this.locator.length);
|
|
|
|
for (i = 0; i < this.locator.length; i++)
|
|
p.writeHash(this.locator[i]);
|
|
|
|
p.writeHash(this.stop || constants.ZERO_HASH);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
GetBlocksPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
this.version = p.readU32();
|
|
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < count; i++)
|
|
this.locator.push(p.readHash('hex'));
|
|
|
|
this.stop = p.readHash('hex');
|
|
|
|
if (this.stop === constants.NULL_HASH)
|
|
this.stop = null;
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate getblocks packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetBlocksPacket}
|
|
*/
|
|
|
|
GetBlocksPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetBlocksPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getheaders` packet.
|
|
* @exports GetHeadersPacket
|
|
* @extends GetBlocksPacket
|
|
* @constructor
|
|
* @param {Hash[]} locator
|
|
* @param {Hash?} stop
|
|
*/
|
|
|
|
function GetHeadersPacket(locator, stop) {
|
|
if (!(this instanceof GetHeadersPacket))
|
|
return new GetHeadersPacket(locator, stop);
|
|
|
|
GetBlocksPacket.call(this, locator, stop);
|
|
}
|
|
|
|
utils.inherits(GetHeadersPacket, GetBlocksPacket);
|
|
|
|
GetHeadersPacket.prototype.cmd = 'getheaders';
|
|
GetHeadersPacket.prototype.type = exports.types.GETHEADERS;
|
|
|
|
/**
|
|
* Instantiate getheaders packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetHeadersPacket}
|
|
*/
|
|
|
|
GetHeadersPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetHeadersPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `headers` packet.
|
|
* @exports HeadersPacket
|
|
* @constructor
|
|
* @param {(Headers[])?} items
|
|
* @property {Headers[]} items
|
|
*/
|
|
|
|
function HeadersPacket(items) {
|
|
if (!(this instanceof HeadersPacket))
|
|
return new HeadersPacket(items);
|
|
|
|
Packet.call(this);
|
|
|
|
this.items = items || [];
|
|
}
|
|
|
|
utils.inherits(HeadersPacket, Packet);
|
|
|
|
HeadersPacket.prototype.cmd = 'headers';
|
|
HeadersPacket.prototype.type = exports.types.HEADERS;
|
|
|
|
/**
|
|
* Serialize headers packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
HeadersPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.writeVarint(this.items.length);
|
|
|
|
for (i = 0; i < this.items.length; i++)
|
|
this.items[i].toRaw(p);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
HeadersPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < count; i++)
|
|
this.items.push(Headers.fromRaw(p));
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate headers packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {VerackPacket}
|
|
*/
|
|
|
|
HeadersPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new HeadersPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `sendheaders` packet.
|
|
* @exports SendHeadersPacket
|
|
* @constructor
|
|
*/
|
|
|
|
function SendHeadersPacket() {
|
|
if (!(this instanceof SendHeadersPacket))
|
|
return new SendHeadersPacket();
|
|
|
|
Packet.call(this);
|
|
}
|
|
|
|
utils.inherits(SendHeadersPacket, Packet);
|
|
|
|
SendHeadersPacket.prototype.cmd = 'sendheaders';
|
|
SendHeadersPacket.prototype.type = exports.types.SENDHEADERS;
|
|
|
|
/**
|
|
* Serialize sendheaders packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
SendHeadersPacket.prototype.toRaw = function toRaw(writer) {
|
|
return writer || DUMMY;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
SendHeadersPacket.prototype.fromRaw = function fromRaw(data) {
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate sendheaders packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {SendHeadersPacket}
|
|
*/
|
|
|
|
SendHeadersPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new SendHeadersPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `block` packet.
|
|
* @exports BlockPacket
|
|
* @constructor
|
|
* @param {Block|null} block
|
|
* @param {Boolean?} witness
|
|
* @property {Block} block
|
|
* @property {Boolean} witness
|
|
*/
|
|
|
|
function BlockPacket(block, witness) {
|
|
if (!(this instanceof BlockPacket))
|
|
return new BlockPacket(block, witness);
|
|
|
|
Packet.call(this);
|
|
|
|
this.block = block || new MemBlock();
|
|
this.witness = witness || false;
|
|
}
|
|
|
|
utils.inherits(BlockPacket, Packet);
|
|
|
|
BlockPacket.prototype.cmd = 'block';
|
|
BlockPacket.prototype.type = exports.types.BLOCK;
|
|
|
|
/**
|
|
* Serialize block packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
BlockPacket.prototype.toRaw = function toRaw(writer) {
|
|
if (this.witness)
|
|
return this.block.toRaw(writer);
|
|
return this.block.toNormal(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
BlockPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.block.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate block packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {BlockPacket}
|
|
*/
|
|
|
|
BlockPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new BlockPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `tx` packet.
|
|
* @exports TXPacket
|
|
* @constructor
|
|
* @param {TX|null} tx
|
|
* @param {Boolean?} witness
|
|
* @property {TX} block
|
|
* @property {Boolean} witness
|
|
*/
|
|
|
|
function TXPacket(tx, witness) {
|
|
if (!(this instanceof TXPacket))
|
|
return new TXPacket(tx, witness);
|
|
|
|
Packet.call(this);
|
|
|
|
this.tx = tx || new TX();
|
|
this.witness = witness || false;
|
|
}
|
|
|
|
utils.inherits(TXPacket, Packet);
|
|
|
|
TXPacket.prototype.cmd = 'tx';
|
|
TXPacket.prototype.type = exports.types.TX;
|
|
|
|
/**
|
|
* Serialize tx packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
TXPacket.prototype.toRaw = function toRaw(writer) {
|
|
if (this.witness)
|
|
return this.tx.toRaw(writer);
|
|
return this.tx.toNormal(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
TXPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.tx.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate tx packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {TXPacket}
|
|
*/
|
|
|
|
TXPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new TXPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Reject Packet
|
|
* @exports RejectPacket
|
|
* @constructor
|
|
* @property {(Number|String)?} code - Code
|
|
* (see {@link constants.reject}).
|
|
* @property {String?} msg - Message.
|
|
* @property {String?} reason - Reason.
|
|
* @property {(Hash|Buffer)?} data - Transaction or block hash.
|
|
*/
|
|
|
|
function RejectPacket(options) {
|
|
if (!(this instanceof RejectPacket))
|
|
return new RejectPacket(options);
|
|
|
|
Packet.call(this);
|
|
|
|
this.message = '';
|
|
this.code = constants.reject.INVALID;
|
|
this.reason = '';
|
|
this.data = null;
|
|
|
|
if (options)
|
|
this.fromOptions(options);
|
|
}
|
|
|
|
utils.inherits(RejectPacket, Packet);
|
|
|
|
RejectPacket.prototype.cmd = 'reject';
|
|
RejectPacket.prototype.type = exports.types.REJECT;
|
|
|
|
/**
|
|
* Inject properties from options object.
|
|
* @private
|
|
* @param {Object} options
|
|
*/
|
|
|
|
RejectPacket.prototype.fromOptions = function fromOptions(options) {
|
|
var code = options.code;
|
|
|
|
if (options.message)
|
|
this.message = options.message;
|
|
|
|
if (code != null) {
|
|
if (typeof code === 'string')
|
|
code = constants.reject[code.toUpperCase()];
|
|
|
|
if (code >= constants.reject.INTERNAL)
|
|
code = constants.reject.INVALID;
|
|
|
|
this.code = code;
|
|
}
|
|
|
|
if (options.reason)
|
|
this.reason = options.reason;
|
|
|
|
if (options.data)
|
|
this.data = options.data;
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate reject packet from options.
|
|
* @param {Object} options
|
|
* @returns {RejectPacket}
|
|
*/
|
|
|
|
RejectPacket.fromOptions = function fromOptions(options) {
|
|
return new RejectPacket().fromOptions(options);
|
|
};
|
|
|
|
/**
|
|
* Serialize reject packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
RejectPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
assert(this.message.length <= 12);
|
|
assert(this.reason.length <= 111);
|
|
|
|
p.writeVarString(this.message, 'ascii');
|
|
p.writeU8(this.code);
|
|
p.writeVarString(this.reason, 'ascii');
|
|
|
|
if (this.data)
|
|
p.writeHash(this.data);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
RejectPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
|
|
this.message = p.readVarString('ascii', 12);
|
|
this.code = p.readU8();
|
|
this.reason = p.readVarString('ascii', 111);
|
|
|
|
if (this.message === 'block' || this.message === 'tx')
|
|
this.data = p.readHash('hex');
|
|
else
|
|
this.data = null;
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate reject packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {RejectPacket}
|
|
*/
|
|
|
|
RejectPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new RejectPacket().fromRaw(data, enc);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from reason message and object.
|
|
* @private
|
|
* @param {Number} code
|
|
* @param {String} reason
|
|
* @param {(TX|Block)?} obj
|
|
*/
|
|
|
|
RejectPacket.prototype.fromReason = function fromReason(code, reason, obj) {
|
|
if (typeof code === 'string')
|
|
code = constants.reject[code.toUpperCase()];
|
|
|
|
if (!code)
|
|
code = constants.reject.INVALID;
|
|
|
|
if (code >= constants.reject.INTERNAL)
|
|
code = constants.reject.INVALID;
|
|
|
|
this.message = '';
|
|
this.code = code;
|
|
this.reason = reason;
|
|
|
|
if (obj) {
|
|
this.message = (obj instanceof TX) ? 'tx' : 'block';
|
|
this.data = obj.hash('hex');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate reject packet from reason message.
|
|
* @param {Number} code
|
|
* @param {String} reason
|
|
* @param {(TX|Block)?} obj
|
|
* @returns {RejectPacket}
|
|
*/
|
|
|
|
RejectPacket.fromReason = function fromReason(code, reason, obj) {
|
|
return new RejectPacket().fromReason(code, reason, obj);
|
|
};
|
|
|
|
/**
|
|
* Instantiate reject packet from verify error.
|
|
* @param {VerifyError} err
|
|
* @param {(TX|Block)?} obj
|
|
* @returns {RejectPacket}
|
|
*/
|
|
|
|
RejectPacket.fromError = function fromError(err, obj) {
|
|
return RejectPacket.fromReason(err.code, err.reason, obj);
|
|
};
|
|
|
|
/**
|
|
* Inspect reject packet.
|
|
* @returns {String}
|
|
*/
|
|
|
|
RejectPacket.prototype.inspect = function inspect() {
|
|
return '<Reject:'
|
|
+ ' msg=' + this.message
|
|
+ ' code=' + (constants.rejectByVal[this.code] || this.code)
|
|
+ ' reason=' + this.reason
|
|
+ ' data=' + this.data
|
|
+ '>';
|
|
};
|
|
|
|
/**
|
|
* Represents a `mempool` packet.
|
|
* @exports MempoolPacket
|
|
* @constructor
|
|
*/
|
|
|
|
function MempoolPacket() {
|
|
if (!(this instanceof MempoolPacket))
|
|
return new MempoolPacket();
|
|
|
|
Packet.call(this);
|
|
}
|
|
|
|
utils.inherits(MempoolPacket, Packet);
|
|
|
|
MempoolPacket.prototype.cmd = 'mempool';
|
|
MempoolPacket.prototype.type = exports.types.MEMPOOL;
|
|
|
|
/**
|
|
* Serialize mempool packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
MempoolPacket.prototype.toRaw = function toRaw(writer) {
|
|
return writer || DUMMY;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
MempoolPacket.prototype.fromRaw = function fromRaw(data) {
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate mempool packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {VerackPacket}
|
|
*/
|
|
|
|
MempoolPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new MempoolPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `filterload` packet.
|
|
* @exports FilterLoadPacket
|
|
* @constructor
|
|
* @param {Buffer|null} filter
|
|
* @param {Number|null} n
|
|
* @param {Number|null} tweak
|
|
* @param {Number|null} update
|
|
* @property {Buffer} filter
|
|
* @property {Number} n
|
|
* @property {Number} tweak
|
|
* @property {Number} update
|
|
*/
|
|
|
|
function FilterLoadPacket(filter, n, tweak, update) {
|
|
if (!(this instanceof FilterLoadPacket))
|
|
return new FilterLoadPacket(filter, n, tweak, update);
|
|
|
|
Packet.call(this);
|
|
|
|
if (filter instanceof Bloom) {
|
|
this.fromFilter(filter);
|
|
} else {
|
|
this.filter = filter || DUMMY;
|
|
this.n = n || 0;
|
|
this.tweak = tweak || 0;
|
|
this.update = update || 0;
|
|
}
|
|
}
|
|
|
|
utils.inherits(FilterLoadPacket, Packet);
|
|
|
|
FilterLoadPacket.prototype.cmd = 'filterload';
|
|
FilterLoadPacket.prototype.type = exports.types.FILTERLOAD;
|
|
|
|
/**
|
|
* Serialize filterload packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
FilterLoadPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeVarBytes(this.filter);
|
|
p.writeU32(this.n);
|
|
p.writeU32(this.tweak);
|
|
p.writeU8(this.update);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Serialize filterload packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
FilterLoadPacket.prototype.toFilter = function toFilter() {
|
|
return new Bloom(this.filter, this.n, this.tweak, this.update);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
FilterLoadPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
|
|
this.filter = p.readVarBytes();
|
|
this.n = p.readU32();
|
|
this.tweak = p.readU32();
|
|
this.update = p.readU8();
|
|
|
|
assert(constants.filterFlagsByVal[this.update] != null, 'Bad filter flag.');
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from bloom filter.
|
|
* @private
|
|
* @param {Bloom} filter
|
|
*/
|
|
|
|
FilterLoadPacket.prototype.fromFilter = function fromFilter(filter) {
|
|
this.filter = filter.filter;
|
|
this.n = filter.n;
|
|
this.tweak = filter.tweak;
|
|
this.update = filter.update;
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate filterload packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {FilterLoadPacket}
|
|
*/
|
|
|
|
FilterLoadPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new FilterLoadPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Instantiate filterload packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {FilterLoadPacket}
|
|
*/
|
|
|
|
FilterLoadPacket.fromFilter = function fromFilter(filter) {
|
|
return new FilterLoadPacket().fromFilter(filter);
|
|
};
|
|
|
|
/**
|
|
* Ensure the filter is within the size limits.
|
|
* @returns {Boolean}
|
|
*/
|
|
|
|
FilterLoadPacket.prototype.isWithinConstraints = function isWithinConstraints() {
|
|
if (this.filter.length > constants.bloom.MAX_BLOOM_FILTER_SIZE)
|
|
return false;
|
|
|
|
if (this.n > constants.bloom.MAX_HASH_FUNCS)
|
|
return false;
|
|
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Represents a `filteradd` packet.
|
|
* @exports FilterAddPacket
|
|
* @constructor
|
|
* @param {Buffer?} data
|
|
* @property {Buffer} data
|
|
*/
|
|
|
|
function FilterAddPacket(data) {
|
|
if (!(this instanceof FilterAddPacket))
|
|
return new FilterAddPacket(data);
|
|
|
|
Packet.call(this);
|
|
|
|
this.data = data || DUMMY;
|
|
}
|
|
|
|
utils.inherits(FilterAddPacket, Packet);
|
|
|
|
FilterAddPacket.prototype.cmd = 'filteradd';
|
|
FilterAddPacket.prototype.type = exports.types.FILTERADD;
|
|
|
|
/**
|
|
* Serialize filteradd packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
FilterAddPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeVarBytes(this.data);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
FilterAddPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.data = p.readVarBytes();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate filteradd packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {FilterAddPacket}
|
|
*/
|
|
|
|
FilterAddPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new FilterAddPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `filterclear` packet.
|
|
* @exports FilterClearPacket
|
|
* @constructor
|
|
*/
|
|
|
|
function FilterClearPacket() {
|
|
if (!(this instanceof FilterClearPacket))
|
|
return new FilterClearPacket();
|
|
|
|
Packet.call(this);
|
|
}
|
|
|
|
utils.inherits(FilterClearPacket, Packet);
|
|
|
|
FilterClearPacket.prototype.cmd = 'filterclear';
|
|
FilterClearPacket.prototype.type = exports.types.FILTERCLEAR;
|
|
|
|
/**
|
|
* Serialize filterclear packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
FilterClearPacket.prototype.toRaw = function toRaw(writer) {
|
|
return writer || DUMMY;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
FilterClearPacket.prototype.fromRaw = function fromRaw(data) {
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate filterclear packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {FilterClearPacket}
|
|
*/
|
|
|
|
FilterClearPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new FilterClearPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `merkleblock` packet.
|
|
* @exports MerkleBlockPacket
|
|
* @constructor
|
|
* @param {MerkleBlock?} block
|
|
* @property {MerkleBlock} block
|
|
*/
|
|
|
|
function MerkleBlockPacket(block) {
|
|
if (!(this instanceof MerkleBlockPacket))
|
|
return new MerkleBlockPacket(block);
|
|
|
|
Packet.call(this);
|
|
|
|
this.block = block || new MerkleBlock();
|
|
}
|
|
|
|
utils.inherits(MerkleBlockPacket, Packet);
|
|
|
|
MerkleBlockPacket.prototype.cmd = 'merkleblock';
|
|
MerkleBlockPacket.prototype.type = exports.types.MERKLEBLOCK;
|
|
|
|
/**
|
|
* Serialize merkleblock packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
MerkleBlockPacket.prototype.toRaw = function toRaw(writer) {
|
|
return this.block.toRaw(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
MerkleBlockPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.block.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate merkleblock packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {MerkleBlockPacket}
|
|
*/
|
|
|
|
MerkleBlockPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new MerkleBlockPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getutxos` packet.
|
|
* @exports GetUTXOsPacket
|
|
* @constructor
|
|
* @param {Boolean} mempool
|
|
* @param {Outpoint[]} prevout
|
|
* @property {Boolean} mempool
|
|
* @property {Outpoint[]} prevout
|
|
*/
|
|
|
|
function GetUTXOsPacket(mempool, prevout) {
|
|
if (!(this instanceof GetUTXOsPacket))
|
|
return new GetUTXOsPacket(mempool, prevout);
|
|
|
|
Packet.call(this);
|
|
|
|
this.mempool = mempool || false;
|
|
this.prevout = prevout || [];
|
|
}
|
|
|
|
utils.inherits(GetUTXOsPacket, Packet);
|
|
|
|
GetUTXOsPacket.prototype.cmd = 'getutxos';
|
|
GetUTXOsPacket.prototype.type = exports.types.GETUTXOS;
|
|
|
|
/**
|
|
* Serialize getutxos packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
GetUTXOsPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var i;
|
|
|
|
p.writeU8(this.mempool ? 1 : 0);
|
|
p.writeVarint(this.prevout.length);
|
|
|
|
for (i = 0; i < this.prevout.length; i++)
|
|
this.prevout[i].toRaw(p);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
GetUTXOsPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, count;
|
|
|
|
this.mempool = p.readU8() === 1;
|
|
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < count; i++)
|
|
this.prevout.push(Outpoint.fromRaw(p));
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate getutxos packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetBlocksPacket}
|
|
*/
|
|
|
|
GetUTXOsPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetUTXOsPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `utxos` packet.
|
|
* @exports UTXOsPacket
|
|
* @constructor
|
|
* @param {Object} options
|
|
* @property {Number} height
|
|
* @property {Hash} tip
|
|
* @property {Boolean[]} hits
|
|
* @property {Coin[]} coins
|
|
*/
|
|
|
|
function UTXOsPacket(options) {
|
|
if (!(this instanceof UTXOsPacket))
|
|
return new UTXOsPacket(options);
|
|
|
|
Packet.call(this);
|
|
|
|
this.height = -1;
|
|
this.tip = constants.NULL_HASH;
|
|
this.hits = [];
|
|
this.coins = [];
|
|
|
|
if (options)
|
|
this.fromOptions(options);
|
|
}
|
|
|
|
utils.inherits(UTXOsPacket, Packet);
|
|
|
|
UTXOsPacket.prototype.cmd = 'utxos';
|
|
UTXOsPacket.prototype.type = exports.types.UTXOS;
|
|
|
|
/**
|
|
* Inject properties from options.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
UTXOsPacket.prototype.fromOptions = function fromOptions(options) {
|
|
if (options.height != null) {
|
|
assert(utils.isNumber(options.height));
|
|
this.height = options.height;
|
|
}
|
|
|
|
if (options.tip) {
|
|
assert(typeof options.tip === 'string');
|
|
this.tip = options.tip;
|
|
}
|
|
|
|
if (options.hits) {
|
|
assert(Array.isArray(options.hits));
|
|
this.hits = options.hits;
|
|
}
|
|
|
|
if (options.coins) {
|
|
assert(Array.isArray(options.coins));
|
|
this.coins = options.coins;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate utxos packet from options.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetBlocksPacket}
|
|
*/
|
|
|
|
UTXOsPacket.fromOptions = function fromOptions(options) {
|
|
return new UTXOsPacket().fromOptions(options);
|
|
};
|
|
|
|
/**
|
|
* Serialize utxos packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
UTXOsPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
var map = new Buffer((this.hits.length + 7) / 8 | 0);
|
|
var i, bit, oct, coin, height;
|
|
|
|
for (i = 0; i < this.hits.length; i++) {
|
|
bit = i % 8;
|
|
oct = (i - bit) / 8;
|
|
map[oct] |= +this.hits[i] << (7 - bit);
|
|
}
|
|
|
|
p.writeU32(this.height);
|
|
p.writeHash(this.tip);
|
|
p.writeVarBytes(map);
|
|
p.writeVarInt(this.coins.length);
|
|
|
|
for (i = 0; i < this.coins.length; i++) {
|
|
coin = this.coins[i];
|
|
height = coin.height;
|
|
|
|
if (height === -1)
|
|
height = 0x7fffffff;
|
|
|
|
p.writeU32(coin.version);
|
|
p.writeU32(height);
|
|
p.write64(coin.value);
|
|
p.writeVarBytes(coin.script.toRaw());
|
|
}
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
UTXOsPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
var i, bit, oct, coin, output;
|
|
var version, height, map, count;
|
|
|
|
this.height = p.readU32();
|
|
this.tip = p.readHash('hex');
|
|
|
|
map = p.readVarBytes();
|
|
count = p.readVarint();
|
|
|
|
for (i = 0; i < map.length * 8; i++) {
|
|
bit = i % 8;
|
|
oct = (i - bit) / 8;
|
|
this.hits.push((map[oct] >> (7 - bit)) & 1);
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
version = p.readU32();
|
|
height = p.readU32();
|
|
coin = new Coin();
|
|
|
|
if (height === 0x7fffffff)
|
|
height = -1;
|
|
|
|
output = Output.fromRaw(p);
|
|
|
|
coin.version = version;
|
|
coin.height = height;
|
|
coin.script = output.script;
|
|
coin.value = output.value;
|
|
|
|
this.coins.push(coin);
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate utxos packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {UTXOsPacket}
|
|
*/
|
|
|
|
UTXOsPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new UTXOsPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `havewitness` packet.
|
|
* @exports HaveWitnessPacket
|
|
* @constructor
|
|
*/
|
|
|
|
function HaveWitnessPacket() {
|
|
if (!(this instanceof HaveWitnessPacket))
|
|
return new HaveWitnessPacket();
|
|
|
|
Packet.call(this);
|
|
}
|
|
|
|
utils.inherits(HaveWitnessPacket, Packet);
|
|
|
|
HaveWitnessPacket.prototype.cmd = 'havewitness';
|
|
HaveWitnessPacket.prototype.type = exports.types.HAVEWITNESS;
|
|
|
|
/**
|
|
* Serialize havewitness packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
HaveWitnessPacket.prototype.toRaw = function toRaw(writer) {
|
|
return writer || DUMMY;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
HaveWitnessPacket.prototype.fromRaw = function fromRaw(data) {
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate havewitness packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {HaveWitnessPacket}
|
|
*/
|
|
|
|
HaveWitnessPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new HaveWitnessPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `feefilter` packet.
|
|
* @exports FeeFilterPacket
|
|
* @constructor
|
|
* @param {Rate?} rate
|
|
* @property {Rate} rate
|
|
*/
|
|
|
|
function FeeFilterPacket(rate) {
|
|
if (!(this instanceof FeeFilterPacket))
|
|
return new FeeFilterPacket(rate);
|
|
|
|
Packet.call(this);
|
|
|
|
this.rate = rate || 0;
|
|
}
|
|
|
|
utils.inherits(FeeFilterPacket, Packet);
|
|
|
|
FeeFilterPacket.prototype.cmd = 'feefilter';
|
|
FeeFilterPacket.prototype.type = exports.types.FEEFILTER;
|
|
|
|
/**
|
|
* Serialize feefilter packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
FeeFilterPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.write64(this.rate);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
FeeFilterPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.rate = p.read64N();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate feefilter packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {FeeFilterPacket}
|
|
*/
|
|
|
|
FeeFilterPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new FeeFilterPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `sendcmpct` packet.
|
|
* @exports SendCmpctPacket
|
|
* @constructor
|
|
* @param {Number|null} mode
|
|
* @param {Number|null} version
|
|
* @property {Number} mode
|
|
* @property {Number} version
|
|
*/
|
|
|
|
function SendCmpctPacket(mode, version) {
|
|
if (!(this instanceof SendCmpctPacket))
|
|
return new SendCmpctPacket(mode, version);
|
|
|
|
Packet.call(this);
|
|
|
|
this.mode = mode || 0;
|
|
this.version = version || 1;
|
|
}
|
|
|
|
utils.inherits(SendCmpctPacket, Packet);
|
|
|
|
SendCmpctPacket.prototype.cmd = 'sendcmpct';
|
|
SendCmpctPacket.prototype.type = exports.types.SENDCMPCT;
|
|
|
|
/**
|
|
* Serialize sendcmpct packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
SendCmpctPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeU8(this.mode);
|
|
p.writeU64(this.version);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
SendCmpctPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.mode = p.readU8();
|
|
this.version = p.readU53();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate sendcmpct packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {SendCmpctPacket}
|
|
*/
|
|
|
|
SendCmpctPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new SendCmpctPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `cmpctblock` packet.
|
|
* @exports CmpctBlockPacket
|
|
* @constructor
|
|
* @param {Block|null} block
|
|
* @param {Boolean|null} witness
|
|
* @property {Block} block
|
|
* @property {Boolean} witness
|
|
*/
|
|
|
|
function CmpctBlockPacket(block, witness) {
|
|
if (!(this instanceof CmpctBlockPacket))
|
|
return new CmpctBlockPacket(block, witness);
|
|
|
|
Packet.call(this);
|
|
|
|
this.block = block || new bip152.CompactBlock();
|
|
this.witness = witness || false;
|
|
}
|
|
|
|
utils.inherits(CmpctBlockPacket, Packet);
|
|
|
|
CmpctBlockPacket.prototype.cmd = 'cmpctblock';
|
|
CmpctBlockPacket.prototype.type = exports.types.CMPCTBLOCK;
|
|
|
|
/**
|
|
* Serialize cmpctblock packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
CmpctBlockPacket.prototype.toRaw = function toRaw(writer) {
|
|
if (this.witness)
|
|
return this.block.toRaw(writer);
|
|
return this.block.toNormal(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
CmpctBlockPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.block.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate cmpctblock packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {CmpctBlockPacket}
|
|
*/
|
|
|
|
CmpctBlockPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new CmpctBlockPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `getblocktxn` packet.
|
|
* @exports GetBlockTxnPacket
|
|
* @constructor
|
|
* @param {TXRequest?} request
|
|
* @property {TXRequest} request
|
|
*/
|
|
|
|
function GetBlockTxnPacket(request) {
|
|
if (!(this instanceof GetBlockTxnPacket))
|
|
return new GetBlockTxnPacket(request);
|
|
|
|
Packet.call(this);
|
|
|
|
this.request = request || new bip152.TXRequest();
|
|
}
|
|
|
|
utils.inherits(GetBlockTxnPacket, Packet);
|
|
|
|
GetBlockTxnPacket.prototype.cmd = 'getblocktxn';
|
|
GetBlockTxnPacket.prototype.type = exports.types.GETBLOCKTXN;
|
|
|
|
/**
|
|
* Serialize getblocktxn packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
GetBlockTxnPacket.prototype.toRaw = function toRaw(writer) {
|
|
return this.request.toRaw(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
GetBlockTxnPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.request.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate getblocktxn packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {GetBlockTxnPacket}
|
|
*/
|
|
|
|
GetBlockTxnPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new GetBlockTxnPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `blocktxn` packet.
|
|
* @exports BlockTxnPacket
|
|
* @constructor
|
|
* @param {TXResponse?} response
|
|
* @param {Boolean?} witness
|
|
* @property {TXResponse} response
|
|
* @property {Boolean} witness
|
|
*/
|
|
|
|
function BlockTxnPacket(response, witness) {
|
|
if (!(this instanceof BlockTxnPacket))
|
|
return new BlockTxnPacket(response, witness);
|
|
|
|
Packet.call(this);
|
|
|
|
this.response = response || new bip152.TXResponse();
|
|
this.witness = witness || false;
|
|
}
|
|
|
|
utils.inherits(BlockTxnPacket, Packet);
|
|
|
|
BlockTxnPacket.prototype.cmd = 'blocktxn';
|
|
BlockTxnPacket.prototype.type = exports.types.BLOCKTXN;
|
|
|
|
/**
|
|
* Serialize blocktxn packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
BlockTxnPacket.prototype.toRaw = function toRaw(writer) {
|
|
if (this.witness)
|
|
return this.response.toRaw(writer);
|
|
return this.response.toNormal(writer);
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
BlockTxnPacket.prototype.fromRaw = function fromRaw(data) {
|
|
this.response.fromRaw(data);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate blocktxn packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {BlockTxnPacket}
|
|
*/
|
|
|
|
BlockTxnPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new BlockTxnPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `encinit` packet.
|
|
* @exports EncinitPacket
|
|
* @constructor
|
|
* @param {Buffer|null} publicKey
|
|
* @param {Number|null} cipher
|
|
* @property {Buffer} publicKey
|
|
* @property {Number} cipher
|
|
*/
|
|
|
|
function EncinitPacket(publicKey, cipher) {
|
|
if (!(this instanceof EncinitPacket))
|
|
return new EncinitPacket(publicKey, cipher);
|
|
|
|
Packet.call(this);
|
|
|
|
this.publicKey = publicKey || constants.ZERO_KEY;
|
|
this.cipher = cipher || 0;
|
|
}
|
|
|
|
utils.inherits(EncinitPacket, Packet);
|
|
|
|
EncinitPacket.prototype.cmd = 'encinit';
|
|
EncinitPacket.prototype.type = exports.types.ENCINIT;
|
|
|
|
/**
|
|
* Serialize encinit packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
EncinitPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.publicKey);
|
|
p.writeU8(this.cipher);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
EncinitPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.publicKey = p.readBytes(33);
|
|
this.cipher = p.readU8();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate getblocks packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {EncinitPacket}
|
|
*/
|
|
|
|
EncinitPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new EncinitPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `encack` packet.
|
|
* @exports EncackPacket
|
|
* @constructor
|
|
* @param {Buffer?} publicKey
|
|
* @property {Buffer} publicKey
|
|
*/
|
|
|
|
function EncackPacket(publicKey) {
|
|
if (!(this instanceof EncackPacket))
|
|
return new EncackPacket(publicKey);
|
|
|
|
Packet.call(this);
|
|
|
|
this.publicKey = publicKey || constants.ZERO_KEY;
|
|
}
|
|
|
|
utils.inherits(EncackPacket, Packet);
|
|
|
|
EncackPacket.prototype.cmd = 'encack';
|
|
EncackPacket.prototype.type = exports.types.ENCACK;
|
|
|
|
/**
|
|
* Serialize encack packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
EncackPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.publicKey);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
EncackPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.publicKey = p.readBytes(33);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate encack packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {EncackPacket}
|
|
*/
|
|
|
|
EncackPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new EncackPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `authchallenge` packet.
|
|
* @exports AuthChallengePacket
|
|
* @constructor
|
|
* @param {Buffer?} hash
|
|
* @property {Buffer} hash
|
|
*/
|
|
|
|
function AuthChallengePacket(hash) {
|
|
if (!(this instanceof AuthChallengePacket))
|
|
return new AuthChallengePacket(hash);
|
|
|
|
Packet.call(this);
|
|
|
|
this.hash = hash || constants.ZERO_HASH;
|
|
}
|
|
|
|
utils.inherits(AuthChallengePacket, Packet);
|
|
|
|
AuthChallengePacket.prototype.cmd = 'authchallenge';
|
|
AuthChallengePacket.prototype.type = exports.types.AUTHCHALLENGE;
|
|
|
|
/**
|
|
* Serialize authchallenge packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AuthChallengePacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.hash);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
AuthChallengePacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.hash = p.readHash();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate authchallenge packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {AuthChallengePacket}
|
|
*/
|
|
|
|
AuthChallengePacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new AuthChallengePacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `authreply` packet.
|
|
* @exports AuthReplyPacket
|
|
* @constructor
|
|
* @param {Buffer?} signature
|
|
* @property {Buffer} signature
|
|
*/
|
|
|
|
function AuthReplyPacket(signature) {
|
|
if (!(this instanceof AuthReplyPacket))
|
|
return new AuthReplyPacket(signature);
|
|
|
|
Packet.call(this);
|
|
|
|
this.signature = signature || constants.ZERO_SIG64;
|
|
}
|
|
|
|
utils.inherits(AuthReplyPacket, Packet);
|
|
|
|
AuthReplyPacket.prototype.cmd = 'authreply';
|
|
AuthReplyPacket.prototype.type = exports.types.AUTHREPLY;
|
|
|
|
/**
|
|
* Serialize authreply packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AuthReplyPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.signature);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
AuthReplyPacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.signature = p.readBytes(64);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate authreply packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {AuthReplyPacket}
|
|
*/
|
|
|
|
AuthReplyPacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new AuthReplyPacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents a `authpropose` packet.
|
|
* @exports AuthProposePacket
|
|
* @constructor
|
|
* @param {Hash?} hash
|
|
* @property {Hash} hash
|
|
*/
|
|
|
|
function AuthProposePacket(hash) {
|
|
if (!(this instanceof AuthProposePacket))
|
|
return new AuthProposePacket(hash);
|
|
|
|
Packet.call(this);
|
|
|
|
this.hash = hash || constants.ZERO_HASH;
|
|
}
|
|
|
|
utils.inherits(AuthProposePacket, Packet);
|
|
|
|
AuthProposePacket.prototype.cmd = 'authpropose';
|
|
AuthProposePacket.prototype.type = exports.types.AUTHPROPOSE;
|
|
|
|
/**
|
|
* Serialize authpropose packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
AuthProposePacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.hash);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
AuthProposePacket.prototype.fromRaw = function fromRaw(data) {
|
|
var p = BufferReader(data);
|
|
this.hash = p.readHash();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate authpropose packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {AuthProposePacket}
|
|
*/
|
|
|
|
AuthProposePacket.fromRaw = function fromRaw(data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new AuthProposePacket().fromRaw(data);
|
|
};
|
|
|
|
/**
|
|
* Represents an unknown packet.
|
|
* @exports UnknownPacket
|
|
* @constructor
|
|
* @param {String|null} cmd
|
|
* @param {Buffer|null} data
|
|
* @property {String} cmd
|
|
* @property {Buffer} data
|
|
*/
|
|
|
|
function UnknownPacket(cmd, data) {
|
|
if (!(this instanceof UnknownPacket))
|
|
return new UnknownPacket(cmd, data);
|
|
|
|
Packet.call(this);
|
|
|
|
this.cmd = cmd;
|
|
this.data = data;
|
|
}
|
|
|
|
utils.inherits(UnknownPacket, Packet);
|
|
|
|
UnknownPacket.prototype.type = exports.types.UNKNOWN;
|
|
|
|
/**
|
|
* Serialize unknown packet.
|
|
* @returns {Buffer}
|
|
*/
|
|
|
|
UnknownPacket.prototype.toRaw = function toRaw(writer) {
|
|
var p = BufferWriter(writer);
|
|
|
|
p.writeBytes(this.data);
|
|
|
|
if (!writer)
|
|
p = p.render();
|
|
|
|
return p;
|
|
};
|
|
|
|
/**
|
|
* Inject properties from serialized data.
|
|
* @private
|
|
* @param {Buffer} data
|
|
*/
|
|
|
|
UnknownPacket.prototype.fromRaw = function fromRaw(cmd, data) {
|
|
assert(Buffer.isBuffer(data));
|
|
this.cmd = cmd;
|
|
this.data = data;
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Instantiate unknown packet from serialized data.
|
|
* @param {Buffer} data
|
|
* @param {String?} enc
|
|
* @returns {UnknownPacket}
|
|
*/
|
|
|
|
UnknownPacket.fromRaw = function fromRaw(cmd, data, enc) {
|
|
if (typeof data === 'string')
|
|
data = new Buffer(data, enc);
|
|
return new UnknownPacket().fromRaw(cmd, data);
|
|
};
|
|
|
|
/**
|
|
* Parse a payload.
|
|
* @param {String} cmd
|
|
* @param {Buffer} data
|
|
* @returns {Packet}
|
|
*/
|
|
|
|
exports.fromRaw = function fromRaw(cmd, data) {
|
|
switch (cmd) {
|
|
case 'version':
|
|
return VersionPacket.fromRaw(data);
|
|
case 'verack':
|
|
return VerackPacket.fromRaw(data);
|
|
case 'ping':
|
|
return PingPacket.fromRaw(data);
|
|
case 'pong':
|
|
return PongPacket.fromRaw(data);
|
|
case 'alert':
|
|
return AlertPacket.fromRaw(data);
|
|
case 'getaddr':
|
|
return GetAddrPacket.fromRaw(data);
|
|
case 'addr':
|
|
return AddrPacket.fromRaw(data);
|
|
case 'inv':
|
|
return InvPacket.fromRaw(data);
|
|
case 'getdata':
|
|
return GetDataPacket.fromRaw(data);
|
|
case 'notfound':
|
|
return NotFoundPacket.fromRaw(data);
|
|
case 'getblocks':
|
|
return GetBlocksPacket.fromRaw(data);
|
|
case 'getheaders':
|
|
return GetHeadersPacket.fromRaw(data);
|
|
case 'headers':
|
|
return HeadersPacket.fromRaw(data);
|
|
case 'sendheaders':
|
|
return SendHeadersPacket.fromRaw(data);
|
|
case 'block':
|
|
return BlockPacket.fromRaw(data);
|
|
case 'tx':
|
|
return TXPacket.fromRaw(data);
|
|
case 'reject':
|
|
return RejectPacket.fromRaw(data);
|
|
case 'mempool':
|
|
return MempoolPacket.fromRaw(data);
|
|
case 'filterload':
|
|
return FilterLoadPacket.fromRaw(data);
|
|
case 'filteradd':
|
|
return FilterAddPacket.fromRaw(data);
|
|
case 'filterclear':
|
|
return FilterClearPacket.fromRaw(data);
|
|
case 'merkleblock':
|
|
return MerkleBlockPacket.fromRaw(data);
|
|
case 'getutxos':
|
|
return GetUTXOsPacket.fromRaw(data);
|
|
case 'utxos':
|
|
return UTXOsPacket.fromRaw(data);
|
|
case 'havewitness':
|
|
return HaveWitnessPacket.fromRaw(data);
|
|
case 'feefilter':
|
|
return FeeFilterPacket.fromRaw(data);
|
|
case 'sendcmpct':
|
|
return SendCmpctPacket.fromRaw(data);
|
|
case 'cmpctblock':
|
|
return CmpctBlockPacket.fromRaw(data);
|
|
case 'getblocktxn':
|
|
return GetBlockTxnPacket.fromRaw(data);
|
|
case 'blocktxn':
|
|
return BlockTxnPacket.fromRaw(data);
|
|
case 'encinit':
|
|
return EncinitPacket.fromRaw(data);
|
|
case 'encack':
|
|
return EncackPacket.fromRaw(data);
|
|
case 'authchallenge':
|
|
return AuthChallengePacket.fromRaw(data);
|
|
case 'authreply':
|
|
return AuthReplyPacket.fromRaw(data);
|
|
case 'authpropose':
|
|
return AuthProposePacket.fromRaw(data);
|
|
default:
|
|
return UnknownPacket.fromRaw(cmd, data);
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Expose
|
|
*/
|
|
|
|
exports.Packet = Packet;
|
|
exports.VersionPacket = VersionPacket;
|
|
exports.VerackPacket = VerackPacket;
|
|
exports.PingPacket = PingPacket;
|
|
exports.PongPacket = PongPacket;
|
|
exports.AlertPacket = AlertPacket;
|
|
exports.GetAddrPacket = GetAddrPacket;
|
|
exports.AddrPacket = AddrPacket;
|
|
exports.InvPacket = InvPacket;
|
|
exports.GetDataPacket = GetDataPacket;
|
|
exports.NotFoundPacket = NotFoundPacket;
|
|
exports.GetBlocksPacket = GetBlocksPacket;
|
|
exports.GetHeadersPacket = GetHeadersPacket;
|
|
exports.HeadersPacket = HeadersPacket;
|
|
exports.SendHeadersPacket = SendHeadersPacket;
|
|
exports.BlockPacket = BlockPacket;
|
|
exports.TXPacket = TXPacket;
|
|
exports.RejectPacket = RejectPacket;
|
|
exports.MempoolPacket = MempoolPacket;
|
|
exports.FilterLoadPacket = FilterLoadPacket;
|
|
exports.FilterAddPacket = FilterAddPacket;
|
|
exports.FilterClearPacket = FilterClearPacket;
|
|
exports.MerkleBlockPacket = MerkleBlockPacket;
|
|
exports.GetUTXOsPacket = GetUTXOsPacket;
|
|
exports.UTXOsPacket = UTXOsPacket;
|
|
exports.HaveWitnessPacket = HaveWitnessPacket;
|
|
exports.FeeFilterPacket = FeeFilterPacket;
|
|
exports.SendCmpctPacket = SendCmpctPacket;
|
|
exports.CmpctBlockPacket = CmpctBlockPacket;
|
|
exports.GetBlockTxnPacket = GetBlockTxnPacket;
|
|
exports.BlockTxnPacket = BlockTxnPacket;
|
|
exports.EncinitPacket = EncinitPacket;
|
|
exports.EncackPacket = EncackPacket;
|
|
exports.AuthChallengePacket = AuthChallengePacket;
|
|
exports.AuthReplyPacket = AuthReplyPacket;
|
|
exports.AuthProposePacket = AuthProposePacket;
|
|
exports.UnknownPacket = UnknownPacket;
|