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safe-config-service

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The safe-config-service is a service that provides configuration information in the context of the Safe clients environment (eg.: list of available safe apps and chain metadata).

Requirements

Setup

In order to start the server application:

1. Install the required Python dependencies. Eg.: With a python virtual environment:

python -m venv venv # creates a virtual environment venv in the local directory
source venv/bin/activate
pip install -r requirements-dev.txt
pip install setuptools

2. Launch the Postgres database image

docker compose up -d db

3. Execute pending database migrations

python src/manage.py migrate

4. Create an admin user

The admin interface of the service will be available under http://localhost:8000/admin but you need to have an admin registered before you are able to access the panel.

To create an admin user:

python src/manage.py createsuperuser

5. Launch the service:

python src/manage.py runserver

By default the service will be available under http://127.0.0.1:8000/

Configuration

The service is already configured for development purposes however if you wish to deploy it in a production environment you should set some sensitive parameters such as: POSTGRES_USER , POSTGRES_PASSWORD, SECRET_KEY. DEBUG should be set to false.

We provide the .dev.env file which explains the role of each environment variable. You can set the configuration using this file and read it in terminal session where the application will be executed.

Testing

Pytest is used to run the available tests in the project. Some of these tests validate the integration with the database so having one running is required. From the project root:

docker compose up -d db
pytest src

Code Style Formatter and Linter

Black, Flake8 and isort are the tools used to validate the style of the changes being pushed. You can refer to the documentation of these tools to check how to integrate them with your editor/IDE.

isort --profile black src # sorts imports according to the isort spec with a profile compatible with Black
black src # formats the files in the src folder using Black
flake8 src # runs flake8 Linter in the src folder

There's also a pre-commit hook that you can install locally via pre-commit so that it formats the files changed on each commit automatically:

pre-commit install # installs commit hook under .git/hooks/pre-commit
git commit # Initially this can take a couple minutes to setup the environment (which will be reused in following commits)