From 9ee04fe45f6169be52ede33fa81802115ca8abba Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Mon, 8 Sep 2014 17:31:18 -0300
Subject: [PATCH] Fixed 'Use all funds' link for amounts below fee

---
 js/controllers/send.js                   | 3 ++-
 test/unit/controllers/controllersSpec.js | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/js/controllers/send.js b/js/controllers/send.js
index 2b37844d6..691ab4085 100644
--- a/js/controllers/send.js
+++ b/js/controllers/send.js
@@ -394,7 +394,8 @@ angular.module('copayApp.controllers').controller('SendController',
     };
 
     $scope.getAvailableAmount = function() {
-      return ((($rootScope.availableBalance * config.unitToSatoshi).toFixed(0) - bitcore.TransactionBuilder.FEE_PER_1000B_SAT) / config.unitToSatoshi);
+      var amount = ((($rootScope.availableBalance * config.unitToSatoshi).toFixed(0) - bitcore.TransactionBuilder.FEE_PER_1000B_SAT) / config.unitToSatoshi);
+      return amount > 0 ? amount : 0;
     };
 
     $scope.topAmount = function(form) {
diff --git a/test/unit/controllers/controllersSpec.js b/test/unit/controllers/controllersSpec.js
index b99da8e3c..ef6a820e6 100644
--- a/test/unit/controllers/controllersSpec.js
+++ b/test/unit/controllers/controllersSpec.js
@@ -411,6 +411,13 @@ describe("Unit: Controllers", function() {
       var amount = scope.getAvailableAmount();
       expect(amount).to.equal(123356);
     });
+    it('should return 0 if available amount below minimum fee', function() {
+      inject(function($compile, $rootScope, $controller) {
+        $rootScope.availableBalance = 1;
+      });
+      var amount = scope.getAvailableAmount();
+      expect(amount).to.equal(0);
+    });
   });
 
   describe('Import Controller', function() {