From bdbf264771d2e9180842f9189a8281e3a73b1263 Mon Sep 17 00:00:00 2001
From: Geert Weening <geertweening@gmail.com>
Date: Tue, 11 Nov 2014 11:51:12 -0800
Subject: [PATCH] [FIX] support string '0' being interpreted as XRP

---
 src/js/ripple/currency.js |  2 +-
 test/currency-test.js     | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/js/ripple/currency.js b/src/js/ripple/currency.js
index cdcc1fab..859ee140 100644
--- a/src/js/ripple/currency.js
+++ b/src/js/ripple/currency.js
@@ -68,7 +68,7 @@ Currency.prototype.parse_json = function(j, shouldInterpretXrpAsIou) {
     case 'string':
 
       // if an empty string is given, fall back to XRP
-      if (!j) {
+      if (!j || j === '0') {
         this.parse_hex(shouldInterpretXrpAsIou ? Currency.HEX_CURRENCY_BAD : Currency.HEX_ZERO);
         break;
       }
diff --git a/test/currency-test.js b/test/currency-test.js
index 03471988..e95b0285 100644
--- a/test/currency-test.js
+++ b/test/currency-test.js
@@ -198,6 +198,16 @@ describe('Currency', function() {
       cur2 = currency.from_json(cur);
       assert.strictEqual(cur.to_json(), cur2.to_json());
     });
+    it('should parse json 0', function() {
+      var cur = currency.from_json(0);
+      assert.strictEqual(cur.to_json(), 'XRP');
+      assert.strictEqual(cur.get_iso(), 'XRP');
+    });
+    it('should parse json 0', function() {
+      var cur = currency.from_json('0');
+      assert.strictEqual(cur.to_json(), 'XRP');
+      assert.strictEqual(cur.get_iso(), 'XRP');
+    });
   });
 
   describe('is_valid', function() {