1 files changed, 65 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/crypto/workers/cryptoWorkerInterface.ts b/packages/taler-wallet-core/src/crypto/workers/cryptoWorkerInterface.ts
new file mode 100644
index 000000000..b3620e950
--- /dev/null
+++ b/packages/taler-wallet-core/src/crypto/workers/cryptoWorkerInterface.ts
@@ -0,0 +1,65 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Imports.
+ */
+import { TalerErrorDetail } from "@gnu-taler/taler-util";
+
+/**
+ * Common interface for all crypto workers.
+ */
+export interface CryptoWorker {
+  postMessage(message: any): void;
+  terminate(): void;
+  onmessage: ((m: any) => void) | undefined;
+  onerror: ((m: any) => void) | undefined;
+}
+
+/**
+ * Type of requests sent to the crypto worker.
+ */
+export type CryptoWorkerRequestMessage = {
+  /**
+   * Operation ID to correlate request with the response.
+   */
+  id: number;
+
+  /**
+   * Operation to execute.
+   */
+  operation: string;
+
+  /**
+   * Operation-specific request payload.
+   */
+  req: any;
+};
+
+/**
+ * Type of messages sent back by the crypto worker.
+ */
+export type CryptoWorkerResponseMessage =
+  | {
+      type: "success";
+      id: number;
+      result: any;
+    }
+  | {
+      type: "error";
+      id?: number;
+      error: TalerErrorDetail;
+    };