From f6c01085113dfb004ca4478f276cfef0d2c24138 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Fri, 6 Sep 2019 11:06:28 +0200
Subject: fix bug #5373: only allow existing payment redirection for contracts
 from the same merchant

---
 src/webex/pages/pay.tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/webex/pages/pay.tsx')

diff --git a/src/webex/pages/pay.tsx b/src/webex/pages/pay.tsx
index 9041f5d1c..579688db3 100644
--- a/src/webex/pages/pay.tsx
+++ b/src/webex/pages/pay.tsx
@@ -92,10 +92,14 @@ function TalerPayDialog({ talerPayUri }: { talerPayUri: string }) {
   );
 
   const doPayment = async () => {
+    if (payStatus.status !== "payment-possible") {
+      throw Error("invalid state");
+    }
+    const proposalId = payStatus.proposalId;
     setNumTries(numTries + 1);
     try {
       setLoading(true);
-      const res = await wxApi.confirmPay(payStatus!.proposalId!, undefined);
+      const res = await wxApi.confirmPay(proposalId, undefined);
       document.location.href = res.nextUrl;
     } catch (e) {
       console.error(e);
-- 
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