1 files changed, 17 insertions, 23 deletions

diff --git a/packages/demobank-ui/src/hooks/config.ts b/packages/demobank-ui/src/hooks/config.ts
index 4b22e8ad3..4cf677d35 100644
--- a/packages/demobank-ui/src/hooks/config.ts
+++ b/packages/demobank-ui/src/hooks/config.ts
@@ -1,5 +1,5 @@
 import { LibtoolVersion } from "@gnu-taler/taler-util";
-import { useApiContext } from "@gnu-taler/web-util/browser";
+import { ErrorType, HttpError, HttpResponseServerError, RequestError, useApiContext } from "@gnu-taler/web-util/browser";
 import { useEffect, useState } from "preact/hooks";
 import { getInitialBackendBaseURL } from "./backend.js";
 
@@ -12,38 +12,32 @@ export const BANK_INTEGRATION_PROTOCOL_VERSION = "0:0:0";
 
 async function getConfigState(
   request: ReturnType<typeof useApiContext>["request"],
-): Promise<SandboxBackend.Config | undefined> {
-  try {
-    const url = getInitialBackendBaseURL();
-    const result = await request<SandboxBackend.Config>(
-      url,
-      `config`,
-    );
-    return result.data;
-  } catch (error) {
-    return undefined;
-  }
+): Promise<SandboxBackend.Config> {
+  const url = getInitialBackendBaseURL();
+  const result = await request<SandboxBackend.Config>(url, `config`);
+  return result.data;
 }
 
-export function useConfigState(): boolean | undefined {
-  const [checked, setChecked] = useState<boolean>()
+export function useConfigState(): undefined | true | string | HttpError<SandboxBackend.SandboxError> {
+  const [checked, setChecked] = useState<true | string | HttpError<SandboxBackend.SandboxError>>()
   const { request } = useApiContext();
 
   useEffect(() => {
-    
     getConfigState(request)
-      .then((result) => {
-        if (!result) {
-          setChecked(false)
+      .then((s) => {
+        const r = LibtoolVersion.compare(BANK_INTEGRATION_PROTOCOL_VERSION, s.version)
+        if (r?.compatible) {
+          setChecked(true);
         } else {
-          const r = LibtoolVersion.compare(BANK_INTEGRATION_PROTOCOL_VERSION, result.version)
-          setChecked(r?.compatible);
+          setChecked(s.version)
         }
       })
-      .catch((error) => {
-        setChecked(false);
+      .catch((error: unknown) => {
+        if (error instanceof RequestError) {
+          setChecked(error.cause);
+        }
       });
-  });
+  }, []);
 
   return checked;
 }