From 97f6e68ce3a515938228b9a4d3e41b5f4b25a015 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 29 Jan 2018 22:58:47 +0100
Subject: change protocol to string amount network format

---
 src/helpers.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/helpers.ts')

diff --git a/src/helpers.ts b/src/helpers.ts
index 3b7cd36f5..7cd176498 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -119,12 +119,19 @@ export function flatMap<T, U>(xs: T[], f: (x: T) => U[]): U[] {
  */
 export function getTalerStampSec(stamp: string): number | null {
   const m = stamp.match(/\/?Date\(([0-9]*)\)\/?/);
-  if (!m) {
+  if (!m || !m[1]) {
     return null;
   }
   return parseInt(m[1], 10);
 }
 
+/**
+ * Check if a timestamp is in the right format.
+ */
+export function timestampCheck(stamp: string): boolean {
+  return getTalerStampSec(stamp) !== null;
+}
+
 
 /**
  * Get a JavaScript Date object from a Taler date string.
-- 
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