From 4d2516109830e60a042b00a8bbb0387905026b82 Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Mon, 11 Apr 2016 10:04:37 -0300
Subject: [PATCH] assert inputs & outputs are consistent

---
 lib/model/txproposal.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/model/txproposal.js b/lib/model/txproposal.js
index 31f51f2..b7c5ca1 100644
--- a/lib/model/txproposal.js
+++ b/lib/model/txproposal.js
@@ -185,6 +185,7 @@ TxProposal.prototype._buildTx = function() {
   var totalInputs = _.sum(t.inputs, 'output.satoshis');
   var totalOutputs = _.sum(t.outputs, 'satoshis');
 
+  $.checkState(totalInputs > 0 && totalOutputs > 0 && totalInputs >= totalOutputs);
   $.checkState(totalInputs - totalOutputs <= Defaults.MAX_TX_FEE);
 
   return t;