1 files changed, 13 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/errors.ts b/packages/taler-wallet-core/src/errors.ts
index 62bde667d..0f4c480cd 100644
--- a/packages/taler-wallet-core/src/errors.ts
+++ b/packages/taler-wallet-core/src/errors.ts
@@ -113,6 +113,19 @@ function getDefaultHint(code: number): string {
   }
 }
 
+export class TalerProtocolViolationError<T = any> extends Error {
+  constructor(hint?: string) {
+    let msg: string;
+    if (hint) {
+      msg = `Taler protocol violation error (${hint})`;
+    } else {
+      msg = `Taler protocol violation error`;
+    }
+    super(msg);
+    Object.setPrototypeOf(this, TalerProtocolViolationError.prototype);
+  }
+}
+
 export class TalerError<T = any> extends Error {
   errorDetail: TalerErrorDetail & T;
   private constructor(d: TalerErrorDetail & T) {