From 165486a11268ab3d8009506916cd22d233cd248b Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sat, 7 Dec 2019 18:42:18 +0100
Subject: auto-refund

---
 src/util/helpers.ts | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

(limited to 'src/util/helpers.ts')

diff --git a/src/util/helpers.ts b/src/util/helpers.ts
index eb8a1c7b2..3831e84af 100644
--- a/src/util/helpers.ts
+++ b/src/util/helpers.ts
@@ -24,7 +24,7 @@
 import { AmountJson } from "./amounts";
 import * as Amounts from "./amounts";
 
-import { Timestamp } from "../walletTypes";
+import { Timestamp, Duration } from "../walletTypes";
 
 /**
  * Show an amount in a form suitable for the user.
@@ -152,25 +152,37 @@ export function extractTalerStampOrThrow(stamp: string): Timestamp {
 }
 
 /**
- * Check if a timestamp is in the right format.
+ * Extract a duration from a Taler duration string.
  */
-export function timestampCheck(stamp: string): boolean {
-  return getTalerStampSec(stamp) !== null;
+export function extractTalerDuration(duration: string): Duration | undefined {
+  const m = duration.match(/\/?Delay\(([0-9]*)\)\/?/);
+  if (!m || !m[1]) {
+    return undefined;
+  }
+  return {
+    d_ms: parseInt(m[1], 10) * 1000,
+  };
 }
 
-
 /**
- * Get a JavaScript Date object from a Taler date string.
- * Returns null if input is not in the right format.
+ * Extract a duration from a Taler duration string.
  */
-export function getTalerStampDate(stamp: string): Date | null {
-  const sec = getTalerStampSec(stamp);
-  if (sec == null) {
-    return null;
+export function extractTalerDurationOrThrow(duration: string): Duration {
+  const r = extractTalerDuration(duration);
+  if (!r) {
+    throw Error("invalid duration");
   }
-  return new Date(sec * 1000);
+  return r;
+}
+
+/**
+ * Check if a timestamp is in the right format.
+ */
+export function timestampCheck(stamp: string): boolean {
+  return getTalerStampSec(stamp) !== null;
 }
 
+
 /**
  * Compute the hash function of a JSON object.
  */
-- 
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