@cenoa/waas-js-sdk/dist/esm/utils.js

Official Cenoa Wallet as a Service SDK

import CryptoJS from 'crypto-js';
export function generatePayloadAndSignature(secret, body) {
    const timestamp = Date.now().toString();
    const obj = {
        body,
        timestamp,
    };
    const payload = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Utf8.parse(JSON.stringify(obj)));
    const signature = CryptoJS.enc.Hex.stringify(CryptoJS.HmacSHA512(payload, secret));
    return { payload, signature };
}