survey/templates/bench/service-worker.ts

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/*
* 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 { gen_pow } from "mcaptcha-browser";
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import { Bench } from "./types";
type PoWConfig = {
string: string;
difficulty_factor: number;
salt: string;
};
const SALT = "674243647f1c355da8607a8cdda05120d79ca5d1af8b3b49359d056a0a82";
const PHRASE = "6e2a53dbc7d307970d7ba3c0000221722cb74f1c325137251ce8fa5c2240";
const config: PoWConfig = {
string: PHRASE,
difficulty_factor: 1,
salt: SALT,
};
console.debug("worker registered");
onmessage = function (event) {
console.debug("message received at worker");
const difficulty_factor = parseInt(event.data);
config.difficulty_factor = difficulty_factor;
const t0 = performance.now();
gen_pow(config.salt, config.string, config.difficulty_factor);
const t1 = performance.now();
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const duration = t1 - t0;
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const msg: Bench = {
difficulty: difficulty_factor,
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duration,
};
postMessage(msg);
};