cryptotalkapi-token-mgmt/index.js

This package helps you to refresh the access token every 12 hours. You need access_token to access APIs provided by cryptotalk. All APIs are free to use. More information can be found here: https://cryptotalk.gitbook.io/

const fetch = require('node-fetch');

let access_token    = null;
let refresh_token   = null;

function startRefresh(_access_token, _refresh_token){
    access_token    = _access_token;
    refresh_token   = _refresh_token;
    forceRefresh();
    setInterval(_refresh, 12*60*60*1000);
}

function forceRefresh(){
    if(!refresh_token){
        console.error("Refresh token has not been initialized, Please create access & refresh token by visting APIs (https://cryptotalk.finance)");    
    }
    _refresh();
}

function getAccessToken(){
    if(!access_token){
        console.error("Access token has not been initialized, Please create access token by visting APIs (https://cryptotalk.finance)");    
    }
    return access_token;
}

async function _refresh(){
    const params        = new URLSearchParams();
    const URL           = "https://aaveonmobile-home.auth.us-east-2.amazoncognito.com/oauth2/token";

    try {
        params.append('client_id',      '5b6893vo53h5jo7jk8prhphei4');
        params.append('grant_type',     'refresh_token');
        params.append('refresh_token',  refresh_token);
        
        const response  = await fetch(URL, {method: 'POST', body: params});
        const data      = await response.json();
        if(data.access_token){
            console.log("Access token refreshed successfully, Expires after : " + (data.expires_in/3600) + " hours");
            access_token =  data.access_token;
        }
    } catch (error) {
        console.error("CryptoTalk API Error : " + URL + params);
        console.error(Error(error));   
    }
}


exports.getAccessToken = getAccessToken;
exports.startRefresh   = startRefresh;