1 files changed, 15 insertions, 1 deletions
diff --git a/packages/taler-util/src/http-client/types.ts b/packages/taler-util/src/http-client/types.ts
index 35603264a..94eafb329 100644
--- a/packages/taler-util/src/http-client/types.ts
+++ b/packages/taler-util/src/http-client/types.ts
@@ -185,10 +185,24 @@ export interface LoginToken {
 }
 
 declare const __ac_token: unique symbol;
+/**
+ * Use `createAccessToken(string)` function to build one.
+ */
 export type AccessToken = string & {
   [__ac_token]: true;
 };
 
+/**
+ * Create a rfc8959 access token.
+ * Adds secret-token: prefix if there is none.
+ * 
+ * @param token 
+ * @returns 
+ */
+export function createAccessToken(token: string): AccessToken {
+  return (token.startsWith("secret-token:") ? token : `secret-token:${token}`) as AccessToken
+}
+
 declare const __officer_signature: unique symbol;
 export type OfficerSignature = string & {
   [__officer_signature]: true;
@@ -3604,7 +3618,7 @@ export namespace TalerMerchantApi {
     // After the auth token has been set (with method "token"),
     // the value must be provided in a "Authorization: Bearer $token"
     // header.
-    token?: string;
+    token?: AccessToken;
   }
 
   export interface InstanceReconfigurationMessage {