PITT CS 3551 Is Blockchain a Better Solution for Managing Health Data?

About

This is blockchain project based on Hyperledger Sawtooth. This project focuses on interaction between Insurer, Patient and Medical Facility. It covers data gathering flow and manages data access based on client’s role.

Features

Functional

• Register new users: Patient, Doctor, Clinic Desk, Lab and Insurance
• Read lists: Clinics, Doctors, Patients, Labs, Insurance, Invoice
• Read and Add records: Lab Test, Pulse, Contract, Claims
• Patient allows/revokes consent to access his data by Clinic Desk/Doctor

Technical

• Private key to store data
• Public key to read data
• Access control: every user has a role assigned with corresponding permissions
• Docker compliance: every component of this project has separate docker image and fully isolated

How to compile the project?

• Various network representation

1. 1 node/Dev-Mode consensus: docker-compose -f docker-compose.yaml up
2. 3 nodes/PoET consensus/single VM: docker-compose -f docker-compose-3-nodes-poet.yaml up
3. 3 nodes/PoET consensus/3 separate VMs: this is ideal and close to the reality

• set up 3 VMs
• run commands in each VM
  • docker-compose -f docker-compose-3-vms-0-node-poet.yaml up
  • docker-compose -f docker-compose-3-vms-1-node-poet.yaml up
  • docker-compose -f docker-compose-3-vms-2-node-poet.yaml up

Components

• Consent/Identity/Authorization Management smart contract: responsible to operate with identity/permission related data
• Data Management smart contract: responsible to handle EHR
• Insurance/Contract Management smart contract: responsible to operate with insurance related data
• Finance/Invoice Management smart contract: responsible to operate with finances/invoices
• REST-API service: provides interface between client and blockchain network
• Web client: web page where a participant can operate as one of predefined roles such as doctor, patient etc
• CLI client: command line service to perform basic operations

Architecture

Technology stack

Python/Hyperledger Sawtooth/Docker/Docker-Composer/Protobuf/Setuptools/Sanic/Shell/JMeter/Webpack

How to setup and run infrastructure

• Go to root project’s directory
• Clone this repo
• Ensure all containers stopped: “docker-compose down --remove-orphans”
• Get recent data from the repo: “git pull”
• Start new containers: “docker-compose up”: check commands at How to compile the project?

Demo