From cf7d06baaa9f926e476836e7fc63ba0645f84db3 Mon Sep 17 00:00:00 2001
From: Braydon Fuller <braydon@bitpay.com>
Date: Wed, 1 Apr 2015 11:42:51 -0400
Subject: [PATCH] Create transaction if not supplied in transaction message.

---
 lib/messages/commands/tx.js      | 3 +++
 lib/messages/commands/version.js | 1 -
 test/messages/commands/index.js  | 5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/messages/commands/tx.js b/lib/messages/commands/tx.js
index a789bec..6dbd04f 100644
--- a/lib/messages/commands/tx.js
+++ b/lib/messages/commands/tx.js
@@ -23,6 +23,9 @@ function TransactionMessage(arg, options) {
     'An instance of Transaction or undefined is expected'
   );
   this.transaction = arg;
+  if (!this.transaction) {
+    this.transaction = new this.Transaction();
+  }
 }
 inherits(TransactionMessage, Message);
 
diff --git a/lib/messages/commands/version.js b/lib/messages/commands/version.js
index 5c2b599..dc8ec9c 100644
--- a/lib/messages/commands/version.js
+++ b/lib/messages/commands/version.js
@@ -5,7 +5,6 @@ var inherits = require('util').inherits;
 var bitcore = require('bitcore');
 var BufferWriter = bitcore.encoding.BufferWriter;
 var BufferReader = bitcore.encoding.BufferReader;
-var _ = bitcore.deps._;
 var BN = bitcore.crypto.BN;
 
 var utils = require('../utils');
diff --git a/test/messages/commands/index.js b/test/messages/commands/index.js
index f4df5e6..a9db1de 100644
--- a/test/messages/commands/index.js
+++ b/test/messages/commands/index.js
@@ -31,6 +31,11 @@ describe('Command Messages', function() {
       message.transaction.should.be.instanceof(bitcore.Transaction);
     });
 
+    it('should create a transaction instance', function() {
+      var message = messages.Transaction();
+      message.transaction.should.be.instanceof(bitcore.Transaction);
+    });
+
     it('version should remain the same', function() {
       var tx = new bitcore.Transaction();
       var version = Number(tx.version);