Fix version message (#14)

* update dependencies

* fix version message parser

* add mew protocol messages to unsupportedCommands

* bump version

* add .idea to .gitignore

* update package lock

* set default to most current version

* rename mnauthChallenge to mnAuthChallenge

.gitignore

@@ -4,6 +4,7 @@ node_modules
 # ignore generated code coverage output
 coverage
 .nyc_output
+.idea
 
 # ignore build artifacts
 dist

lib/messages/builder.js

@@ -20,7 +20,7 @@ function builder(options) {
   options.Transaction = options.Transaction || dashcore.Transaction;
   options.MerkleBlock = options.MerkleBlock || dashcore.MerkleBlock;
   options.MnListDiff = options.MnListDiff || dashcore.MnListDiff;
-  options.protocolVersion = options.protocolVersion || 130000;
+  options.protocolVersion = options.protocolVersion || 70215;
 
   var exported = {
     constructors: {
@@ -68,6 +68,9 @@ function builder(options) {
       ix: 'TXLockRequest'
     },
     unsupportedCommands: [
+      'qsendrecsigs',
+      'senddsq',
+      'sendcmpct',
       'sendheaders',
       'txlvote',
       'spork',

lib/messages/commands/version.js

@@ -22,6 +22,8 @@ var packageInfo = require('../../../package.json');
  * @param {BN=} arg.services
  * @param {Date=} arg.timestamp
  * @param {Number=} arg.startHeight
+ * @param {boolean} [arg.relay]
+ * @param {string} [arg.mnAuthChallenge]
  * @param {Object} options
  * @extends Message
  * @constructor
@@ -39,7 +41,8 @@ function VersionMessage(arg, options) {
   this.timestamp = arg.timestamp || new Date();
   this.subversion = arg.subversion || '/dashcore:' + packageInfo.version + '/';
   this.startHeight = arg.startHeight || 0;
-  this.relay = arg.relay === false ? false : true;
+  this.relay = arg.relay !== false;
+  this.mnAuthChallenge = arg.mnAuthChallenge ? arg.mnAuthChallenge : null;
 }
 inherits(VersionMessage, Message);
 
@@ -68,6 +71,11 @@ VersionMessage.prototype.setPayload = function(payload) {
   } else {
     this.relay = !!parser.readUInt8();
   }
+  if(parser.finished()) {
+    this.mnAuthChallenge = null;
+  } else if (this.version >= 70214) {
+    this.mnAuthChallenge = parser.read(32).toString('hex');
+  }
   utils.checkFinished(parser);
 };
 
@@ -87,6 +95,9 @@ VersionMessage.prototype.getPayload = function() {
   bw.write(new Buffer(this.subversion, 'ascii'));
   bw.writeUInt32LE(this.startHeight);
   bw.writeUInt8(this.relay);
+  if (this.mnAuthChallenge) {
+    bw.write(Buffer.from(this.mnAuthChallenge, 'hex'));
+  }
 
   return bw.concat();
 };