call proof generator from within a web worker

templates/widget/service-worker.ts

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+import prove from "./prove";
+import { PoWConfig, ServiceWorkerWork } from "./types";
+import log from "../logger";
+
+log.log("worker registered");
+onmessage = (e) => {
+  console.debug("message received at worker");
+  const config: PoWConfig = e.data;
+
+  const t0 = performance.now();
+  const work = prove(config);
+
+  const t1 = performance.now();
+  const duration = t1 - t0;
+
+  const res: ServiceWorkerWork = {
+    work,
+    duration,
+  };
+
+  postMessage(res);
+};