add some missing protocol messages

lib/messages/builder.js

@@ -58,7 +58,10 @@ function builder(options) {
       getblocks: 'GetBlocks',
       getheaders: 'GetHeaders',
       mempool: 'MemPool',
-      getaddr: 'GetAddr'
+      getaddr: 'GetAddr',
+      sendheaders: 'SendHeaders',
+      sendcmpct: 'SendCmpct',
+      feefilter: 'FeeFilter'
     },
     commands: {}
   };

lib/messages/commands/feefilter.js

@@ -0,0 +1,35 @@
+'use strict';
+
+var Message = require('../message');
+var inherits = require('util').inherits;
+var digibyte = require('digibyte');
+var utils = require('../utils');
+var BufferReader = digibyte.encoding.BufferReader;
+var BufferWriter = digibyte.encoding.BufferWriter;
+
+/**
+ * @param {Array=} arg - An array of addrs
+ * @param {Object=} options
+ * @extends Message
+ * @constructor
+ */
+function FeeFilter(arg, options) {
+  Message.call(this, options);
+  this.command = 'feefilter';
+  this.minFee = null;
+}
+inherits(FeeFilter, Message);
+
+FeeFilter.prototype.setPayload = function(payload) {
+  var parser = new BufferReader(payload);
+  this.minFee = parser.readUInt64LEBN();
+  utils.checkFinished(parser);
+};
+
+FeeFilter.prototype.getPayload = function() {
+  var bw = new BufferWriter();
+  bw.writeUInt64LEBN(this.minFee);
+  return bw.concat();
+};
+
+module.exports = FeeFilter;

lib/messages/commands/sendcmpct.js

@@ -0,0 +1,25 @@
+'use strict';
+
+var Message = require('../message');
+var inherits = require('util').inherits;
+var digibyte = require('digibyte');
+
+/**
+ * @param {Array=} arg - An array of addrs
+ * @param {Object=} options
+ * @extends Message
+ * @constructor
+ */
+function SendCmpct(arg, options) {
+  Message.call(this, options);
+  this.command = 'sendcmpct';
+}
+inherits(SendCmpct, Message);
+
+SendCmpct.prototype.setPayload = function(payload) {
+};
+
+SendCmpct.prototype.getPayload = function() {
+};
+
+module.exports = SendCmpct;

lib/messages/commands/sendheaders.js

@@ -0,0 +1,25 @@
+'use strict';
+
+var Message = require('../message');
+var inherits = require('util').inherits;
+var digibyte = require('digibyte');
+
+/**
+ * @param {Array=} arg - An array of addrs
+ * @param {Object=} options
+ * @extends Message
+ * @constructor
+ */
+function SendHeadersMessage(arg, options) {
+  Message.call(this, options);
+  this.command = 'sendheaders';
+}
+inherits(SendHeadersMessage, Message);
+
+SendHeadersMessage.prototype.setPayload = function(payload) {
+};
+
+SendHeadersMessage.prototype.getPayload = function() {
+};
+
+module.exports = SendHeadersMessage;