expose message construtors by name

lib/messages/builder.js

@@ -34,15 +34,32 @@ function builder(options) {
     commands: {}
   };
 
-  var commandsArray = [
-    'version', 'verack', 'ping', 'pong', 'block', 'tx', 'getdata', 'headers', 'notfound',
-    'inv', 'addr', 'alert', 'reject', 'merkleblock', 'filterload', 'filteradd', 'filterclear',
-    'getblocks', 'getheaders', 'mempool', 'getaddr'
-  ];
+  exported.commandsMap = {
+    version: 'Version',
+    verack: 'VerAck',
+    ping: 'Ping',
+    pong: 'Pong',
+    block: 'Block',
+    tx: 'Transaction',
+    getdata: 'GetData',
+    headers: 'Headers',
+    notfound: 'NotFound',
+    inv: 'Inventory',
+    addr: 'Address',
+    alert: 'Alert',
+    reject: 'Reject',
+    merkleblock: 'MerkleBlock',
+    filterload: 'FilterLoad',
+    filteradd: 'FilterAdd',
+    filterclear: 'FilterClear',
+    getblocks: 'GetBlocks',
+    getheaders: 'GetHeaders',
+    mempool: 'MemPool',
+    getaddr: 'GetAddr'
+  };
 
-  for (var i = 0; i < commandsArray.length; i++) {
-    var command = commandsArray[i];
-    exported.commands[command] = require('./commands/' + command)(options);
+  for (var key in exported.commandsMap) {
+    exported.commands[key] = require('./commands/' + key)(options);
   }
 
   return exported;

lib/messages/index.js

@@ -6,6 +6,13 @@ var Hash = bitcore.crypto.Hash;
 
 function Messages(options) {
   this.builder = Messages.builder(options);
+
+  // map message constructors by name
+  for(var key in this.builder.commandsMap) {
+    var name = this.builder.commandsMap[key];
+    this[name] = this.builder.commands[key];
+  }
+
   if (!options) {
     options = {};
   }