EMRChain

EMRChain is a blockchain-based web application for managing Electronic Medical Records (EMRs) securely and efficiently.

Requirements

Ensure the following tools are installed on your system before starting:

• Node.js: Version >= 10.16 and npm >= 5.6
• Git: Installed and configured
• Truffle: Install globally using npm install -g truffle
• MetaMask: Extension added to your browser
• Ganache: Development blockchain for testing
• IPFS: Install globally with npm i --location=global ipfs

Built With

• Ethereum: Blockchain platform
• Solidity: For smart contracts
• Truffle: Development framework for Ethereum
• React.js: Frontend framework
• Bootstrap: UI framework

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Instructions

1. Clone the Repository

git clone https://github.com/EMRChain/EMRChain.git

2. Install Dependencies

Navigate to the project directory and install the required dependencies:

npm install

3. Deploy Smart Contracts

1. Configure the Ethereum network or provider in the truffle-config.js file.

2. Compile the smart contracts:

   truffle compile

3. Deploy the smart contracts:

   truffle migrate

4. Run the React Development Server:

npm start

5. Run IPFS Locally

Install IPFS globally:

npm i --location=global ipfs

Start the IPFS daemon:

jsipfs daemon

Open the IPFS web UI in your browser: http://127.0.0.1:5002/webui

Configure IPFS to avoid forbidden errors during image uploads:

jsipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["http://127.0.0.1:5002", "http://localhost:3000", "http://127.0.0.1:5001", "https://webui.ipfs.io"]'
jsipfs config --json API.HTTPHeaders.Access-Control-Allow-Methods '["PUT", "POST"]'

6. Run the Backend Server

Open Anaconda Prompt.

Navigate to the project directory using cd.

Activate the virtual environment:

conda activate myenv

Run the server:

python manage.py runserver

7. Start All Components

Start React development server:

npm start

Start IPFS:

jsipfs daemon

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Notes

• Always ensure that the IPFS server (jsipfs daemon) is running before attempting to upload files.
• Check for proper MetaMask configuration to interact with the Ethereum network.
• Follow the configurations mentioned above to avoid common issues during setup.