Are you intrigued by the world of blockchain and want to explore an experimental smart contract platform? Look no further than JeChain! This guide walks you through the process of setting up your own JeChain node in a user-friendly manner.

What is JeChain?

JeChain is a blockchain network platform designed to support smart contracts and operate as a cryptocurrency payment system. Originally created for experimental and educational purposes, you can peek into its core ideas through its outdated and unfinished whitepaper.

Prerequisites: What You Need

• NodeJS v16 or higher
• Latest release of npm
• A system running Windows, Linux, or macOS with:
• Dual-core CPU
• 8GB of RAM
• Mediocre SSD/HDD

Installation Steps

1. Download and Extract

Start by downloading the latest release from here. Once downloaded, extract the zip file to your desired location.

2. Install Required Packages

Open your terminal in the extracted JeChain folder and run:

npm install

3. Generate Your Keys

If you are new to JeChain and don’t have a key pair, navigate to the .utils folder in your terminal and type:

node keygen.js

This will generate an address, a public key, and a private key for you.

4. Configure Your Node

Open the config.json file and update the properties according to your needs:

• PORT: The port that your node will run on (default is 3000)
• RPC_PORT: The port for the RPC server (default is 5000)
• PEERS: Modify the array containing peers’ addresses (default is an empty array)
• MY_ADDRESS: Your node’s address (default is localhost:3000)
• PRIVATE_KEY: Your private key
• ENABLE_MINING: Set true to enable mining (default is false)
• ENABLE_LOGGING: Set true to log contract activities (default is false)
• ENABLE_RPC: Set true to run an RPC server (default is false)
• ENABLE_CHAIN_REQUEST: Set true to sync chain from others (default is false)

Note: There’s sample data in config.json to guide you.

5. Run Your Node

After configuring, run your node by simply typing:

node .

Interacting with the Node

To interact with the node using JSON-RPC APIs, you’ll need to set ENABLE_RPC to true in your config.json file. For further exploration, consult the docs for JSON-RPC APIs here.

Running JeChain Publicly

To run your JeChain node publicly, you’ll need to do some port-forwarding. Just search online for instructions specific to your router model. Once you’ve configured this, you’re good to go!

The JeChain Network

It’s important to note that an official JeChain network is not yet in existence. However, you can create your own experimental test network by inviting friends to join you. Feel free to reach out to colaborate!

Understanding Smart Contracts

Smart contracts are still in the experimental phase on JeChain. Currently, they’re a proof of concept, and you can read more about creating them using a language named jelscript in the documentation. Remember to use this feature for experimental purposes only!

How Ready is JeChain?

JeChain is currently equipped with the essential functionalities, although it’s not yet production-ready. Check out the to-do list on GitHub to see what features are being worked on!

Current Features of JeChain

• A simple P2P client for messaging, block transactions, and peer discovery
• Basic data structures for transactions and blocks
• Proof-of-Work (PoW) consensus mechanism with built-in mining software
• Transaction and storage trie for future pruning and light client data requests
• An RPC server for applications like wallets to interact with blockchain data

Troubleshooting Tips

If you encounter any issues while setting up your JeChain node, consider the following troubleshooting ideas:

• Node not starting: Verify that your NodeJS version is appropriate and the necessary packages are correctly installed.
• Ports not reachable: Ensure you’ve configured your firewall and port forwarding settings correctly.
• Key generation issues: Check permissions and ensure you’re executing commands in the correct directory.

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Happy coding!