Crypto Coin Watcher

Crypto Coin Watcher is an application that sends you alerts about prices and averages of crypto currencies.

Requirements

PHP 8.0: on macOS you can install it via Homebrew: brew install php@8.0;
Composer 2: see the Composer documentation for instructions to install it

Functionality

Crypto Coin Watcher has 3 types of alerts available:

Regular alerts (daily or weekly): send an email about the trend and min and max value of a set of crypto currencies, for a past period of time;
Threshold alert: send an email when a crypto currency goes above or below a certain configured fiat currency threshold;
Variation alert: send an email whenever a crypto currency has a growth of a certain percentage in the past 2h;

Technologies

This application leverages the CoinGecko API to fetch crypto currency data, Laravel Horizon queue manager to offload queue jobs (especially around communicating with the CoinGecko API) and the Laravel Scheduler for regular work like fetching the current currency value every 2 minutes

Development

Setup

From your terminal, run the following commands:

git clone git@github.com:thtg88/crypto-coin-watcher.git
cd crypto-coin-watcher
composer install
yarn
php artisan db:create crypto_coin_watcher
php artisan migrate --seed
# Make also sure all coins data is available to start with
php artisan tinker
dispatch_now(new App\Jobs\FetchAllCoinsJob())

Serving

Make sure to run all the following commands in separate terminal windows/tabs to serve your application locally:

php artisan serve
php artisan horizon
php artisan schedule:work