Welcome to the future of online shopping! In this article, we will guide you through creating a decentralized e-commerce platform using ETHEReact, a full-stack DApp that leverages the Ethereum Virtual Machine (EVM) for its backend functionality. This solution eliminates the need for traditional databases and presents a groundbreaking paradigm for users and developers alike.

What is ETHEReact?

ETHEReact is not merely a product but a robust idea designed for blockchain enthusiasts eager to explore decentralized applications. This application showcases e-commerce capabilities by utilizing a combination of ReactJS and Web3 to interact with Ethereum, making it a perfect ground for both new learners and seasoned developers.

Setup Instructions

To get started with ETHEReact, follow the steps outlined below:

• Install the latest version of NodeJS.
• Install Truffle globally using the command: npm install -g truffle.
• Install Ethereum RPC globally using the command: npm install -g ethereumjs-testrpc.
• Clone the repository with the command: git clone https://github.com/PruthviKumarBK/Decentralized_eCom.git.
• Navigate to the cloned directory: cd Decentralized_eCom.

Starting the Backend Development Environment

Once you have cloned the repo, you can set up the backend environment:

• Change to the backend directory: cd backend.
• Run the following command in the terminal: testrpc -l 9000000000 -p 8484. This command starts the testrpc server with a specified gas limit and port. Be sure to keep this server running for your Ethereum environment.

Compiling and Migrating Contracts

Now that the testrpc server is running, it’s time to compile and migrate your Solidity contracts.

truffle compile
truffle migrate

For Windows 10 users, remember to use the truffle commands as follows:

truffle.cmd compile
truffle.cmd migrate
truffle.cmd console

Retrieving Important Addresses

While in the Truffle console, you will retrieve the SHA256 addresses for your contracts:

• For the Supplier contract: Supplier.address – Copy this SHA256 string for later use.
• For the Customer contract: Customer.address – Copy this SHA256 string as well.

Setting Up the Frontend

To make your frontend functional:

• Open the file named EthereumSetup.js located in the path Decentralized_eCom/frontendsrc/EthereumSetup.js.
• Replace the supplier address on line 13 with the SHA256 address retrieved earlier.
• Replace the customer address on line 14 with the other SHA256 address.
• Save the changes to EthereumSetup.js.

Launch the Frontend

Now it’s time to get your e-commerce application up and running:

• Open a new terminal window and navigate to the frontend directory: cd frontend.
• Run the commands below to install dependencies and start the application:

npm install
npm start

Voila! You are now greeted with a simple interface showcasing the entire decentralized e-commerce process. From suppliers adding products to customers making purchases and acknowledging deliveries—all happening securely on the blockchain!

Troubleshooting

If you encounter any issues during set-up or execution, here are some troubleshooting tips:

• Ensure that NodeJS and npm are properly installed and up to date.
• Double-check the commands you’ve entered for typos.
• Make sure the testrpc server is running before you compile and migrate contracts.
• If you face any compile or migration errors, consider clearing the project and re-running the migrations.
• For more insights, updates, or to collaborate on AI development projects, stay connected with fxis.ai.

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Conclusion

Your entry into decentralized e-commerce begins with ETHEReact! Through this guide, we’ve walked you through the steps to set up a decentralized application without the constraints of traditional databases. Now that you have the tools and knowledge, it’s time to innovate and explore the potential of blockchain in e-commerce!