This is a block index engine (Demo) with postgreSQL to release and index decentrlaized timed-release encryption data.

• frontend - React app using for show datasets
• Time-Release-Blockchain - Time release submodule using in SQLAlchemy operations

• app.py - the Flask app to provide web service for frontend react app. if running the Flask app with an ip and port, please use below shell script.

    python3 -m flask run --host=127.0.0.1 --port=5000

• client_config.py - default configuration settings for current app and postgreSQL, you may add your customize configurations
• dbmodel.py - models and keys defines for Block、Transaction and so on
• decrypt_tools - tools for decrypting time release msg
• model_tools - generate block and transaction model for operation

This project was bootstrapped with Create React App.

In the project's frontend directory, you can run:

Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.

The page will reload if you make edits.
You will also see any lint errors in the console.

You can learn more in the Create React App documentation.

To learn React, check out the React documentation.

source ./venv/bin/activate
(venv) $ pip install -r requirements.txt
(venv) $ deactivate

If you have installed pycryptodome as requirements.txt file show. Then you also have an error like 'No Module Found 'Crypto'', You should find your external lib,and find crypto. Refactor 'crypto' to 'Crypto',that will be ok.