From 8e85eba08b0c421804352fdbe15838aaa8c0bf22 Mon Sep 17 00:00:00 2001
From: "Ryan X. Charles" <ryanxcharles@gmail.com>
Date: Tue, 23 Sep 2014 22:09:41 -0700
Subject: [PATCH] pushin, pushout

Add convenience methods for adding new inputs and outputs.
---
 lib/transaction.js  | 12 ++++++++++++
 test/transaction.js | 24 ++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/lib/transaction.js b/lib/transaction.js
index 4deb23b..ffa3ffa 100644
--- a/lib/transaction.js
+++ b/lib/transaction.js
@@ -140,4 +140,16 @@ Transaction.prototype.id = function() {
   return BufferReader(this.hash()).reverse().read();
 };
 
+Transaction.prototype.pushin = function(txin) {
+  this.txins.push(txin);
+  this.txinsvi = Varint(this.txinsvi.toNumber() + 1);
+  return this;
+};
+
+Transaction.prototype.pushout = function(txout) {
+  this.txouts.push(txout);
+  this.txoutsvi = Varint(this.txoutsvi.toNumber() + 1);
+  return this;
+};
+
 module.exports = Transaction;
diff --git a/test/transaction.js b/test/transaction.js
index 9083b56..c5e6a9d 100644
--- a/test/transaction.js
+++ b/test/transaction.js
@@ -168,4 +168,28 @@ describe('Transaction', function() {
 
   });
 
+  describe('#pushin', function() {
+    
+    it('should add an input', function() {
+      var txin = Txin();
+      var tx = Transaction();
+      tx.pushin(txin);
+      tx.txinsvi.toNumber().should.equal(1);
+      tx.txins.length.should.equal(1);
+    });
+
+  });
+
+  describe('#pushout', function() {
+    
+    it('should add an output', function() {
+      var txout = Txout();
+      var tx = Transaction();
+      tx.pushout(txout);
+      tx.txoutsvi.toNumber().should.equal(1);
+      tx.txouts.length.should.equal(1);
+    });
+
+  });
+
 });