mirror of
https://github.com/mCaptcha/mCaptcha.git
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56 lines
1.3 KiB
TypeScript
56 lines
1.3 KiB
TypeScript
/*
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* mCaptcha is a PoW based DoS protection software.
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* This is the frontend web component of the mCaptcha system
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* Copyright © 2021 Aravinth Manivnanan <realaravinth@batsense.net>.
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*
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* Use of this source code is governed by Apache 2.0 or MIT license.
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* You shoud have received a copy of MIT and Apache 2.0 along with
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* this program. If not, see <https://spdx.org/licenses/MIT.html> for
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* MIT or <http://www.apache.org/licenses/LICENSE-2.0> for Apache.
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*/
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import {gen_pow} from 'mcaptcha-browser';
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import {PoWConfig} from './fetchPoWConfig';
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import * as CONST from './const';
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export type Work = {
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result: string;
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nonce: number;
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string: string;
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key: string;
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};
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type WasmWork = {
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result: string;
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nonce: number;
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};
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/**
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* proove work
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* @param {PoWConfig} config - the proof-of-work configuration using which
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* work needs to be computed
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* */
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const prove = async (config: PoWConfig) => {
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try {
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const proofString = gen_pow(
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config.salt,
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config.string,
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config.difficulty_factor,
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);
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const proof: WasmWork = JSON.parse(proofString);
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const res: Work = {
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key: CONST.sitekey(),
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string: config.string,
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nonce: proof.nonce,
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result: proof.result,
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};
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return res;
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} catch (err) {
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throw err;
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}
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};
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export default prove;
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