1 files changed, 32 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/exchanges.ts b/packages/taler-wallet-core/src/exchanges.ts
index 65a9625c8..932df721d 100644
--- a/packages/taler-wallet-core/src/exchanges.ts
+++ b/packages/taler-wallet-core/src/exchanges.ts
@@ -412,6 +412,38 @@ export async function acceptExchangeTermsOfService(
 }
 
 /**
+ * Mark the current ToS version as accepted by the user.
+ */
+export async function forgetExchangeTermsOfService(
+  ws: InternalWalletState,
+  exchangeBaseUrl: string,
+): Promise<void> {
+  const notif = await ws.db.runReadWriteTx(
+    ["exchangeDetails", "exchanges"],
+    async (tx) => {
+      const exch = await tx.exchanges.get(exchangeBaseUrl);
+      if (exch) {
+        const oldExchangeState = getExchangeState(exch);
+        exch.tosAcceptedEtag = undefined;
+        exch.tosAcceptedTimestamp = undefined;
+        await tx.exchanges.put(exch);
+        const newExchangeState = getExchangeState(exch);
+        return {
+          type: NotificationType.ExchangeStateTransition,
+          exchangeBaseUrl,
+          newExchangeState: newExchangeState,
+          oldExchangeState: oldExchangeState,
+        } satisfies WalletNotification;
+      }
+      return undefined;
+    },
+  );
+  if (notif) {
+    ws.notify(notif);
+  }
+}
+
+/**
  * Validate wire fees and wire accounts.
  *
  * Throw an exception if they are invalid.