net: redesign stall behavior and block management.

lib/net/bip152.js

@@ -11,7 +11,6 @@ var BufferReader = require('../utils/reader');
 var BufferWriter = require('../utils/writer');
 var StaticWriter = require('../utils/staticwriter');
 var encoding = require('../utils/encoding');
-var co = require('../utils/co');
 var crypto = require('../crypto/crypto');
 var assert = require('assert');
 var constants = require('../protocol/constants');
@@ -45,8 +44,6 @@ function CompactBlock(options) {
   this.idMap = {};
   this.count = 0;
   this.sipKey = null;
-  this.timeout = null;
-  this.callback = null;
 
   if (options)
     this.fromOptions(options);
@@ -404,37 +401,6 @@ CompactBlock.fromBlock = function fromBlock(block, witness, nonce) {
   return new CompactBlock().fromBlock(block, witness, nonce);
 };
 
-CompactBlock.prototype.wait = function wait(time) {
-  var self = this;
-  return new Promise(function(resolve, reject) {
-    self._wait(time, co.wrap(resolve, reject));
-  });
-};
-
-CompactBlock.prototype._wait = function wait(time, callback) {
-  var self = this;
-  assert(this.timeout == null);
-  this.callback = callback;
-  this.timeout = setTimeout(function() {
-    self.complete(new Error('Timed out.'));
-  }, time);
-};
-
-CompactBlock.prototype.complete = function complete(err) {
-  if (this.timeout != null) {
-    clearTimeout(this.timeout);
-    this.timeout = null;
-    this.callback(err);
-  }
-};
-
-CompactBlock.prototype.destroy = function destroy() {
-  if (this.timeout != null) {
-    clearTimeout(this.timeout);
-    this.timeout = null;
-  }
-};
-
 CompactBlock.prototype.toHeaders = function toHeaders() {
   return Headers.fromBlock(this);
 };

lib/net/packets.js

@@ -37,42 +37,53 @@ var DUMMY = new Buffer(0);
 exports.types = {
   VERSION: 0,
   VERACK: 1,
-  PING: 1,
+  PING: 2,
-  PONG: 2,
+  PONG: 3,
-  ALERT: 3,
+  ALERT: 4,
-  GETADDR: 4,
+  GETADDR: 5,
-  ADDR: 5,
+  ADDR: 6,
-  INV: 6,
+  INV: 7,
-  GETDATA: 7,
+  GETDATA: 8,
-  NOTFOUND: 8,
+  NOTFOUND: 9,
-  GETBLOCKS: 9,
+  GETBLOCKS: 10,
-  GETHEADERS: 10,
+  GETHEADERS: 11,
-  HEADERS: 11,
+  HEADERS: 12,
-  SENDHEADERS: 12,
+  SENDHEADERS: 13,
-  BLOCK: 13,
+  BLOCK: 14,
-  TX: 14,
+  TX: 15,
-  REJECT: 15,
+  REJECT: 16,
-  MEMPOOL: 16,
+  MEMPOOL: 17,
-  FILTERLOAD: 17,
+  FILTERLOAD: 18,
-  FILTERADD: 18,
+  FILTERADD: 19,
-  FILTERCLEAR: 19,
+  FILTERCLEAR: 20,
-  MERKLEBLOCK: 20,
+  MERKLEBLOCK: 21,
-  GETUTXOS: 21,
+  GETUTXOS: 22,
-  UTXOS: 22,
+  UTXOS: 23,
-  HAVEWITNESS: 23,
+  HAVEWITNESS: 24,
-  FEEFILTER: 24,
+  FEEFILTER: 25,
-  SENDCMPCT: 25,
+  SENDCMPCT: 26,
-  CMPCTBLOCK: 26,
+  CMPCTBLOCK: 27,
-  GETBLOCKTXN: 27,
+  GETBLOCKTXN: 28,
-  BLOCKTXN: 28,
+  BLOCKTXN: 29,
-  ENCINIT: 29,
+  ENCINIT: 30,
-  ENCACK: 30,
+  ENCACK: 31,
-  AUTHCHALLENGE: 31,
+  AUTHCHALLENGE: 32,
-  AUTHREPLY: 32,
+  AUTHREPLY: 33,
-  AUTHPROPOSE: 33,
+  AUTHPROPOSE: 34,
-  UNKNOWN: 34
+  UNKNOWN: 35,
+  // Internal
+  INTERNAL: 100,
+  DATA: 101
 };
 
+/**
+ * Packet types by value.
+ * @const {Object}
+ * @default
+ */
+
+exports.typesByVal = util.revMap(exports.types);
+
 /**
  * Base Packet
  * @constructor
@@ -141,7 +152,7 @@ Packet.prototype.fromRaw = function fromRaw(data) {
  * @param {Buffer} options.nonce
  * @param {String} options.agent - User agent string.
  * @param {Number} options.height - Chain height.
- * @param {Boolean} options.relay - Whether transactions
+ * @param {Boolean} options.noRelay - Whether transactions
  * should be relayed immediately.
  * @property {Number} version - Protocol version.
  * @property {Number} services - Service bits.
@@ -151,7 +162,7 @@ Packet.prototype.fromRaw = function fromRaw(data) {
  * @property {Buffer} nonce
  * @property {String} agent - User agent string.
  * @property {Number} height - Chain height.
- * @property {Boolean} relay - Whether transactions
+ * @property {Boolean} noRelay - Whether transactions
  * should be relayed immediately.
  */
 
@@ -169,7 +180,7 @@ function VersionPacket(options) {
   this.nonce = constants.ZERO_U64;
   this.agent = constants.USER_AGENT;
   this.height = 0;
-  this.relay = true;
+  this.noRelay = false;
 
   if (options)
     this.fromOptions(options);
@@ -211,8 +222,8 @@ VersionPacket.prototype.fromOptions = function fromOptions(options) {
   if (options.height != null)
     this.height = options.height;
 
-  if (options.relay != null)
+  if (options.noRelay != null)
-    this.relay = options.relay;
+    this.noRelay = options.noRelay;
 
   return this;
 };
@@ -258,7 +269,7 @@ VersionPacket.prototype.toWriter = function toWriter(bw) {
   bw.writeBytes(this.nonce);
   bw.writeVarString(this.agent, 'ascii');
   bw.write32(this.height);
-  bw.writeU8(this.relay ? 1 : 0);
+  bw.writeU8(this.noRelay ? 0 : 1);
   return bw;
 };
 
@@ -366,7 +377,7 @@ VersionPacket.prototype.fromReader = function fromReader(br) {
     this.height = br.read32();
 
   if (br.left() > 0)
-    this.relay = br.readU8() === 1;
+    this.noRelay = br.readU8() === 0;
 
   if (this.version === 10300)
     this.version = 300;

lib/primitives/invitem.js

@@ -142,6 +142,15 @@ InvItem.prototype.hasWitness = function hasWitness() {
   return (this.type & constants.WITNESS_MASK) !== 0;
 };
 
+/**
+ * Get little-endian hash.
+ * @returns {Hash}
+ */
+
+InvItem.prototype.rhash = function() {
+  return util.revHex(this.hash);
+};
+
 /*
  * Expose
  */

package.json

@@ -56,6 +56,7 @@
     "browserify": "13.1.0",
     "hash.js": "1.0.3",
     "jsdoc": "3.4.0",
+    "jshint": "2.9.4",
     "level-js": "2.2.4",
     "mocha": "3.0.2",
     "uglify-js": "2.7.3"