Telegram shop bot that accepts bitcoin payments

Requirements
Python 3.6 (or higher)
The packages specified in requirements.txt (install with pip install -r requirements.txt)
An Internet connection
A Telegram bot token (obtainable at @Botfather)
A payment provider token (obtainable by connecting a provider with your bot)
Optional: a git client
Optional: a sentry.io token
Installation
Download the project files through git clone https://github.com/DarrenWestwood/greed.git or this link.
Install the project requirements with pip install -r requirements.txt
Optional: run pip install coloredlogs to have colored logging output.
Run python -OO core.py to generate the configuration file.
Open the config folder and edit the config.ini file following the contained instructions.
Ensure the is_template field is set to no.
Run python -OO database.py to generate the database tables.
Optional: customize the strings.py file
Run python -OO core.py again to run the bot.
Open Telegram, and send a /start command to your bot to be promoted to administrator.
Usage
All the bot features are available through Telegram. As the administrator, you can add new products, check the placed orders, create new transactions and generate .csv log files.
Users will be able to add credit to their wallet, place orders and contact you in case they require assistance.

Updating
Through git
If you downloaded greed through git, you can update it by running:

git stash
git pull
git stash pop
By redownloading the zip file
If you downloaded greed through the zip archive, you can update it by redownloading the latest version and by moving your config.ini and database.sqlite (if applicable) files to the new folder.

Integrating Bitcoin
If you plan on accepting Bitcoin payments:

Complete merchant setup wizard by clicking on Get Started for Free on Blockonomics Merchants Page.
Depending on where you are deploying, you should set the callback URL on Blockonomics merchants page.
Testing: http://localhost/callback?secret=YOUR_SECRET (you can use any dummy host in place of localhost, important thing is secret should match the one in config.ini
Production: You need a publicly reachable URL like this https://greed.herokuapp.com/callback?secret=YOUR_SECRET
Configure settings in config.ini file
Set api_key seen on Blockonomics Merchants Page
Set secret as YOUR_SECRET
For testing, leave use_websockets = True. For production set use_websockets = False